JP2000061444A - Water control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To excellently maintain the quality of a water source or the clean water supplied from the source by collecting the information from the water treating plant or information collecting equipment related to a water source and reflecting the information in the operation of discrete water treating plants. SOLUTION: This water control system is provided with the means 5a and 6a for receiving information from at least one among a first water treating plant 2 related to >=1 water source 1 or the catchment area of the water source and information collecting equipment 5, etc., and a means (controller 4) indicating the operation method of a second water treating plant 3 receiving water from the water source 1 or catchment area.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to water management systems.

[0002]

2. Description of the Related Art Generally, rivers and lakes in Japan are not only the water source of water purification plants but also the discharge destination of sewage treatment plants.
Originally, in order to maintain the water quality of the water source, water treatment facilities related to the same water source should share information and be operated organically, but at present, each water treatment facility operates independently. The information such as water quality and operation status is rarely supplied to other water treatment facilities.

[0003]

As described above, in the conventional water treatment facility, since the information regarding the water source and the information regarding the treatment situation are not shared, the operation of each water treatment facility is not possible. There is a problem that it is inefficient and it is difficult to maintain good water quality of the water source or the clean water supplied from the water source.

The present invention has been made in order to solve such a problem, and collects information from a water treatment facility or an information collection facility relating to a certain water source, and reflects this in the operation of each water treatment facility. By doing so, it is an object of the present invention to obtain a water management system that can maintain good water quality of the water source or the clean water supplied from the water source.

[0005]

The water management system according to the present invention obtains information from at least one of a first water treatment facility and an information collection facility relating to one or more water sources or a catchment area of the water sources. Means and means for instructing the operation method of the second water treatment facility for taking water from the water source or the catchment area according to the information.

Further, the water management system according to the present invention is
Means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or water catchment areas, and the second water taken from the water sources or water catchment areas according to the above information And means for instructing the water intake position of the treatment facility.

Further, the water management system according to the present invention is
A means for obtaining information from at least one of the first water treatment facility and / or the information collection facility relating to one or more water sources or water catchment areas, and secondly taking water from the water sources or water catchment areas according to the information. And means for instructing the amount of water intake of the water treatment facility.

Furthermore, the water management system according to the present invention comprises means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or a catchment area of the water sources, and And means for instructing the amount of water interchange between the plurality of second water treatment facilities that take in water from the water source or catchment area according to the information.

The water management system according to the present invention is
Means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or water catchment areas, and the second water discharged to the water sources or water catchment areas in accordance with the above information And means for instructing the operation method of the treatment facility.

Further, the water management system according to the present invention is
A means for obtaining information from at least one of the first water treatment facility and / or the information collection facility relating to one or more water sources or water catchment areas, and the second method of releasing the information to the water sources or water catchment areas according to the information. And means for instructing the discharge position of the water treatment facility.

Furthermore, the water management system according to the present invention comprises means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or a catchment area of the water sources, and According to the information, it is provided with means for instructing the discharge amount of the second water treatment facility to be discharged to the water source or the catchment area.

The water management system according to the present invention is
Means for obtaining information from at least one of the first water treatment facility and the information collecting facility relating to one or more water sources or catchment areas of the water sources, and a plurality of second discharges to the water source or catchment areas according to the information. And means for instructing the amount of water interchanged between the water treatment facilities.

[0013]

DETAILED DESCRIPTION OF THE INVENTION A water management system according to an embodiment of the present invention will be described below with reference to the accompanying drawings. In the following description, a river represents the water source of the present invention, a sewage treatment plant represents the first water treatment facility of the present invention, and a water purification plant is the second of the present invention.
Represents a water treatment facility.

Embodiment 1. FIG. 1 is a configuration diagram showing a water management system according to the first embodiment of the present invention. In the first embodiment, the system is configured to estimate the water quality of the water source from the water quality of the sewage treatment water and adjust the operating conditions of the water purification plant according to this value.

In FIG. 1, reference numeral 1 is a river as a water source. 2 is a sewage treatment plant as a first water treatment facility for discharging treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 1. A water treatment plant 3 is provided downstream of the sewage treatment plant 2 and serves as a second water treatment facility for taking water from the river 1. Reference numeral 3c is a conduit for introducing the water of the river 1 into the water purification plant 3. Reference numeral 4 is a controller for adjusting the operating conditions of the water purification plant 3, which is connected to the sewage treatment plant 2 via the signal line 2a and is also connected to the water purification plant 3 via the signal line 3a. The controller 4
Constitutes means for instructing the operation method of the second water treatment facility, and the signal lines 2a, 3a constitute means for obtaining information.

Next, the operation of the first embodiment will be described. The pollutant concentration C2out in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (1.1), for example.

C3in = k11 × C2out (1.1) where k11: coefficient Next, the operating conditions of the water purification plant 3, for example, the amount of coagulant added Q3g
Is calculated. The calculation follows, for example, the following expression (1.2).

Q3g = k12 × C3in (1.2) where, k12: the output of the coefficient controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and the water purification plant 3 aggregates based on the output of the controller 4. Adjust the amount of agent added.

As described above, the operating conditions such as the addition amount of the coagulant in the water purification plant 3 can be adjusted according to the pollutant concentration in the treated sewage water, so that the quality of the supplied clean water can be kept good and stable. Produce an effect.

Embodiment 2. FIG. 2 is a configuration diagram showing a water management system according to the second embodiment of the present invention. In the second embodiment, the system is configured so that the water quality of the water source is estimated from the treated water quality of a plurality of sewage treatment plants and the operating conditions of the water purification plant are adjusted according to these values.

In FIG. 2, reference numeral 20 denotes another sewage treatment plant which is provided on the upstream side of the water purification plant 3 and discharges the treated water to the river 1. Reference numeral 20c is a conduit for discharging the treated water of the sewage treatment plant 20 to the river 1. Reference numeral 20a is a signal line for sending information regarding the sewage treatment plant 20 to the controller 4. Other configurations are the same as those in FIG.

Next, the operation of the second embodiment will be described. Concentrations C2out and C20out in the treated water of a certain pollutant measured at the sewage treatment plants 2 and 20 are sent to the controller 4 via the signal lines 2a and 20a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (2.1), for example.

[0023]     C3in = k3in1 x C2out + k3in2 x C20out (2.1) here, k3in1: coefficient k3in2: coefficient Hereinafter, the same operation as that of the first embodiment is performed.

As described above, also in the second embodiment, the same effect as that of the first embodiment can be obtained. That is, since the operating conditions of the water purification plant 3 can be adjusted according to the treated water quality of the plurality of sewage treatment plants 2 and 20, it is possible to maintain the quality of the supplied clean water in a better and stable manner.

Embodiment 3. FIG. 3 is a configuration diagram showing a water management system according to the third embodiment of the present invention. In the third embodiment, the system is configured to estimate the water quality of the water source based on the pollutant concentration measured at the information collection facility and adjust the operating conditions of the water purification plant according to this value.

In FIG. 3, reference numeral 5 denotes an information collecting facility which is provided on the upstream side of the water purification plant 3 to detect and collect water quality such as the concentration of pollutants contained in the river 1. Reference numeral 5a is a signal line for sending the pollutant concentration measured by the information collection facility 5 to the controller 4. Other configurations are the same as those in FIG.

Next, the operation of the third embodiment will be described. The pollutant concentration C5 in the river water measured by the information collection facility 5 is sent to the controller 4 via the signal line 5a.
The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (3.1), for example.

C3in = k3 × C5 (3.1) where k3: The output of the coefficient controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and in the water purification plant 3, the coagulant is output based on the output of the controller 4. Adjust the amount added.

As described above, according to the third embodiment,
Since the operating conditions of the water purification plant 3 can be adjusted according to the concentration of pollutants contained in the river 1, the water quality of the supplied clean water can be kept good and stable.

Fourth Embodiment FIG. 4 is a configuration diagram showing a water management system according to Embodiment 4 of the present invention. In the fourth embodiment, the water quality of the water source is estimated based on the pollutant concentration in the river and the pollutant concentration in the sewage treatment water measured by the information collection facility, and the operating conditions of the water purification plant are adjusted according to the value. The system is configured as follows.

In FIG. 4, 2 is a sewage treatment plant provided on the downstream side of the information collecting facility 5 and on the upstream side of the water purification plant 3. 2a is a controller 4 that receives information from the sewage treatment plant 2.
It is a signal line for sending to. Others are the same as the configuration of FIG.

Next, the operation of the fourth embodiment will be described. The pollutant concentration C5 in the river water measured by the information collection facility 5 is sent to the controller 4 via the signal line 5a.
In addition, the pollutant concentration in the treated water measured at the sewage treatment plant 2
C2out is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollution concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (4.1), for example.

C3in = k3in81 × C5 + k3in82 × C2out (4.1) where k3in81: coefficient k3in82: coefficient The output of the controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and in the water purification plant 3, the controller 4 The amount of the coagulant added is adjusted based on the output of.

As described above, according to the fourth embodiment,
Since the operating conditions of the water treatment plant 3 can be adjusted according to the concentration of pollutants contained in the river 1 measured at the information collection facility 5 and the concentration of pollutants contained in the treated water measured at the sewage treatment plant 2, Further, there is an effect that it can be kept good and stable.

Embodiment 5. Embodiments 1, 2, and 4 above
In the above, an example of estimating the water quality of the raw water taken by the water treatment plant from the quality of the sewage treatment water was shown, but the system was configured to estimate the water quality of the raw water from the operating conditions of the sewage treatment plant, for example, the aeration amount. Also has the same effect.

For example, FIG. 5 shows an example of the system configured to estimate the water quality of the water source from the aeration amount of the sewage treatment plant and adjust the operating conditions of the water purification plant according to this value.

In FIG. 5, reference numeral 2b is a pipeline for introducing sewage into the sewage treatment plant 2. 201 is a settling tank for settling the introduced sewage, and is connected to the pipe line 2b.

Reference numeral 202 denotes a biological reaction tank for oxidatively decomposing the pollutants in the sewage by mixing and aerating the sewage after the sedimentation treatment in the sedimentation tank 201 with the activated sludge, and through a pipe 201a. Is connected to the settling tank 201. 203 is an air supply device for supplying air to the aeration tank 202. 2a is a signal line for transmitting the amount of air supplied from the air supply device 203 to the biological reaction tank 204 to the controller 4.

Reference numeral 204 is an air diffuser attached to the aeration device 203, and the air supply device 2 is provided through a pipe 203a.
03, and discharges the air supplied from the air supply device 203 into the biological reaction tank 202.

Reference numeral 205 denotes a settling tank for settling a mixed solution containing sewage and activated sludge after biological treatment,
It is connected to the biological reaction tank 202 via a pipe 202a. The treated water after the precipitation treatment is discharged to the river through the pipe 2c. In addition, the separated activated sludge is pipe 20
It is returned to the biological reaction tank 202 via 5a. Other configurations are the same as those in FIG.

Next, the operation of the fifth embodiment will be described. The amount of air Qair supplied from the air supply device 203 to the biological reaction tank 204 is determined by the controller 4 via the signal line 2a.
Sent to. The controller 4 uses this value to estimate the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (5.1), for example.

C3in = k51 / Qair where k51: the output of the coefficient controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and the water purification plant 3 determines the addition amount of the coagulant based on the output of the controller 4. adjust.

The operating conditions of the sewage treatment plant 2 are not limited to the aeration amount, but the settling tank 205 to the biological reaction tank 204 can be used.
The controller 4 estimates the water quality of the water source (concentration of pollutant, etc.) from the amount of sludge returned to the plant, the amount of activated sludge retained in the biological reaction tank 204, etc., and based on the output of the controller 4, the coagulation at the water purification plant 3 It is of course possible to configure the system so as to adjust the addition amount of the agent.

Sixth Embodiment In the above-described first to fifth embodiments, the example in which the coagulant addition amount is adjusted as the operating condition of the water purification plant has been shown, but it is equivalent even if the system is configured to adjust other operating conditions, for example, the ozone injection rate. Produce the effect of.

Embodiment 7. In the above-described first to sixth embodiments, the example in which the operating conditions of the water purification plant are adjusted has been shown, but the system may be configured to change the treatment process itself of the water purification plant (for example, to add ozone treatment).
Also in this case, of course, the same effects as those of the first to sixth embodiments are achieved.

Embodiment 8. In the above-described first to seventh embodiments, the example in which the pollutant concentration is calculated by the linear equation has been shown, but the system is configured to be estimated by the dynamic simulation in consideration of the flow of water, the mass transfer of the pollutant, and the reaction. You can also In this case, there is an effect that the pollutant concentration can be estimated more precisely.

Further, if the model parameter used for the dynamic simulation is adjusted according to the information from the sewage treatment plant or the information collection facility, for example, the water temperature, the effect that the accuracy is further improved is obtained.

Ninth Embodiment FIG. 6 is a configuration diagram showing a water management system according to Embodiment 9 of the present invention. In the ninth embodiment, the system is configured to estimate the water quality of the water source from the water quality of the sewage treatment water and adjust from which water intake point to take water according to these values. In FIG. 6, 3c, 3d, and 3e are pipes for introducing the water of the river 1 into the water purification plant 3, and are arranged from the downstream side to the upstream side in the order of 3c to 3e. It is arranged on the downstream side of the treatment plant 2 and 3e is arranged on the upstream side of the sewage treatment plant 2. Other configurations are the same as those in FIG.

Next, the operation of the ninth embodiment will be described. The concentration C2out of the pollutant in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 indicates the three intake points, that is, the pollutant concentration C3inc at the intake point of the pipeline 3c, the pollutant concentration C3ind at the intake point of the pipeline 3d, and the pollutant concentration C3ine at the intake point of the pipeline 3e. The calculation is performed according to equations (9.1) to (9.3).

C3inc = k91 × C2out (9.1) C3ind = k92 × C2out (9.2) C3ine = k93 × C2out (9.3) where k91: coefficient k92: coefficient k93: coefficient The target value C3i * is compared with the target value C3in *.
Instruct to take water from the intake point where the pollutant concentration is lower than n *. This instruction is sent to the water purification plant 3 via the signal line 3a.
Be transmitted to.

As described above, the safest water intake point can be selected according to the pollutant concentration in the sewage-treated water, so that the quality of the supplied clean water can be kept good and stable.

Embodiment 10. FIG. 7: is a block diagram which shows the water management system which concerns on Embodiment 10 of this invention. In the tenth embodiment, the water quality of the water source is measured at a plurality of points, and the system is configured to adjust from which intake point the water is taken according to these values.

In FIG. 7, reference numerals 51, 52 and 53 are information collection facilities for measuring the pollutant concentration at the intake points corresponding to the pipelines 3e, 3d and 3c, respectively, and the signal line 51.
It is connected to the controller 4 via a, 52a and 53a. Other configurations are the same as those in FIG. The controller 4 constitutes means for instructing the intake position of the second water treatment facility, and the signal lines 51a, 52a, 53a constitute means for obtaining information.

Next, the operation of the tenth embodiment will be described. The pollutant concentrations C3ine, C3ind, and C3inc measured at the information processing facilities 51, 52, and 53 are signal lines 51a and 52, respectively.
It is sent to the controller 4 via a and 53a. The controller 4 compares these values with the target value C3in *,
Instruct to take water from the intake point where the pollutant concentration is lower than the target value C3in *. This instruction is transmitted to the water purification plant 3 via the signal line 3a.

As described above, since the safest water intake point can be selected according to the water quality of the water source, the water quality of the supplied clean water can be kept good and stable.

Eleventh Embodiment In the ninth embodiment,
Although the example of estimating the water quality of the water source from the quality of the sewage treatment water has been shown, the system should be configured so that the pollutant concentration measurement value of the information collection facility as shown in Embodiment 10 is also used for the calculation of the water quality estimation. You can also In this case, in addition to the effects of the ninth embodiment, there is an effect that the water quality at the intake point can be more precisely estimated and the intake point can be selected.

Twelfth Embodiment FIG. 8 is a configuration diagram showing a water management system according to Embodiment 12 of the present invention. In the twelfth embodiment, the system is configured to estimate the water quality at water intake points related to a plurality of water sources and adjust from which water intake point to take water according to these values.

In FIG. 8, 10 is another river. Two
Reference numeral 0 is another sewage treatment plant that discharges the treated water to the river 10. 20 c is a conduit for discharging the treated water of the sewage treatment plant 20 to the river 10. Reference numeral 20 a is a signal line for sending the pollutant concentration in the treated water measured at the sewage treatment plant 20 to the controller 4.

Reference numeral 3d is a conduit for sending raw water taken from the river 10 to the water purification plant 3. Other configurations are shown in FIG.
Is the same as.

Next, the operation of the twelfth embodiment will be described. The pollutant concentration C2out measured at the sewage treatment plant 2 which discharges the treated water to the river 1 is via the signal line 2a, and the pollutant concentration C20out measured at the sewage treatment plant 20 is via the signal line 20a. It is sent to the controller 4. The controller 4 calculates two intake points, that is, the pollutant concentration C3in1 at the intake point of the river 1 and the pollutant concentration C3in10 at the intake point of the river 10 according to the following equations (12.1) and (12.2), for example. .

C3in1 = k121 × C2out (12.1) C3in10 = k122 × C20out (12.2) Here, k121: coefficient k122: coefficient Next, these values are compared with the target value C3in * to obtain the target value. C3i
Instruct to take water from the intake point where the pollutant concentration is lower than n *. This instruction is sent to the water purification plant 3 via the signal line 3a.
Be transmitted to.

As described above, since the safest water intake point can be selected according to the concentration of pollutants in the sewage treatment water applied to a plurality of water sources, the quality of the supplied clean water can be kept good and stable. Play.

Thirteenth Embodiment FIG. 9 shows the thirteenth embodiment.
It is a block diagram which shows the water management system which concerns. In the thirteenth embodiment, the system is configured to measure the water quality at the water intake points of a plurality of water sources and adjust which water intake point to take water in accordance with these values.

In FIG. 9, reference numerals 5 and 50 are information collecting facilities for measuring the pollutant concentration at the intake points in the river 1 and the river 10, respectively, and are connected to the controller 4 via signal lines 5a and 50a. . Other configurations are similar to those in FIG.

Next, the operation of the thirteenth embodiment will be described. The pollutant concentration C3in1, C3in10 measured in the information processing facility 5, 50 is sent to the controller 4 via the signal line 5a, 50a. The controller 4 compares these values with the target value C3in * and gives an instruction to take water from the intake point where the pollutant concentration is lower than the target value C3in *. This instruction is transmitted to the water purification plant 3 via the signal line 3a.

As described above, since the safest water intake point can be selected according to the water quality of the water intake points relating to a plurality of water sources, there is an effect that the quality of the supplied clean water can be kept good and stable.

Fourteenth Embodiment In the twelfth embodiment, an example of estimating the water quality of the intake points related to a plurality of water sources from the water quality of the sewage treatment water is shown. The system can also be configured to also use pollutant concentration measurements. In this case, in addition to the effects of the twelfth embodiment, there is an effect that the water quality at the intake point can be more precisely estimated and the intake point can be selected.

Even if the system is configured to estimate the water quality of the water source based on the operating conditions of the sewage treatment plant, for example, the amount of aeration, instead of the water quality of the sewage treatment water, the same effect as in the twelfth embodiment can be obtained.

Fifteenth Embodiment Embodiments 10 to 1 above
In 4, the example in which the pollutant concentration is calculated by a linear equation is shown, but the system may be configured to calculate by a dynamic simulation in consideration of the flow of water, mass transfer of pollutant, and reaction. In that case, there is an effect that the pollutant concentration can be estimated more precisely.

Further, if the model parameters used for the dynamic simulation are adjusted according to the information from the sewage treatment plant or the information collecting facility, for example, the water temperature, the effect that the accuracy is further improved is obtained.

Sixteenth Embodiment FIG. 10 is a configuration diagram showing a water management system according to the sixteenth embodiment of the present invention.
In the sixteenth embodiment, the system is configured so that the water quality of the water source is estimated from the water quality of the sewage treatment water and the water intake amount is adjusted according to this value.

In FIG. 10, 6 is a pump attached to the conduit 3c, and this pump 6 is also connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. The controller 4 constitutes means for instructing the amount of water intake of the second water treatment facility.

Next, the operation of the sixteenth embodiment will be described. The concentration C2out of the pollutant in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to, for example, the above formula (1.1).

The controller 4 determines this value and the target value C3in *.
If the pollutant concentration is lower than C3in *, instruct to continue water intake. Conversely, if it is higher than C3in *, instruct to stop water intake. These instructions are transmitted to the pump 6 via the signal line 6a.

As described above, since the intake of water from the water purification plant 3 can be restricted according to the concentration of pollutants in the treated sewage water, it is possible to maintain the safety of the supplied clean water.

Seventeenth Embodiment FIG. 11: is a block diagram which shows the water management system which concerns on Embodiment 17 of this invention.
In the seventeenth embodiment, the system is configured to measure the water quality of the water source and adjust the water intake according to this value.

In FIG. 11, reference numeral 5 denotes an information collecting facility for measuring the water quality at the intake point of the river 1, which is connected to the controller 4 via a signal line 5a. Other configurations are the same as those in FIG.

Next, the operation of the seventeenth embodiment will be described. Contaminant concentration C3in measured at information processing facility 5
Is sent to the controller 4 via the signal line 5a. The controller 4 compares this value with the target value C3in *, and if the pollutant concentration is lower than C3in *, instructs the controller 4 to continue water intake. Conversely, if it is higher than C3in *, instruct to stop water intake. These instructions are transmitted to the pump 6 via the signal line 6a.

From the above, the water treatment plant 3 is selected according to the quality of the water source.
Since it is possible to limit the intake of water, it is possible to maintain the safety of the supplied clean water.

Eighteenth Embodiment In the above-mentioned sixteenth embodiment, an example in which the water quality of the water source is estimated from the water quality of the sewage treatment water is shown, but the pollutant concentration measurement value of the information collection facility as shown in the seventeenth embodiment is also used for the calculation of the water quality estimation. The system can also be configured as follows. In this case, in addition to the effect of the sixteenth embodiment, there is an effect that the water quality at the water intake point can be more precisely estimated to restrict the water intake. Even if the system is configured to estimate the water quality of the water source based on the operating conditions of the sewage treatment plant, for example, the aeration amount, instead of the water quality of the sewage treatment water, the same effect as in the seventeenth embodiment can be obtained.

Nineteenth Embodiment FIG. 12 is a configuration diagram showing a water management system according to the nineteenth embodiment of the present invention.
In the nineteenth embodiment, the system is configured to estimate the water quality at each intake point of the water purification plant from the treated water quality of the sewage treatment plant and adjust the intake amount from each intake point according to these values. is there.

In FIG. 12, reference numeral 61 denotes the conduit 3c, and 62
Is a pump attached to the conduit 3d, and 63 is a pump attached to the conduit 3e. These pumps 61, 62, 63 are also connected to the controller 4 via signal lines 61a, 62a, 63a. Other configurations are the same as those in FIG.

Next, the operation of the nineteenth embodiment will be described. The concentration C2out of the pollutant in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 indicates the three intake points, that is, the pollutant concentration C3inc at the intake point of the pipeline 3c, the pollutant concentration C3ind at the intake point of the pipeline 3d, and the pollutant concentration C3ine at the intake point of the pipeline 3e. Formulas (19.1) to (19.
Calculate according to 3).

Next, using these values, the respective pipelines 3
Determine the amount of water taken from c, 3d, and 3e. For example, the following two conditions are given. The first condition is that the total amount of water intake should be the target value Q3in *. That is, Q3in * = Q61 + Q62 + Q63 (19.1) where Q61: Flow rate of pump 61 Q62: Flow rate of pump 62 Q63: Flow rate of pump 63 Under the second condition, the average pollutant concentration is below the target value C3in *. To do so. That is, C3in *> (Q61 × C3inc + Q62 × C3ind + Q63 × C3ine) / Q3in * (19.2) Pumps 61, 62, 63 that satisfy these two conditions
The set of the flow rates Q61, Q62, Q63 may be found by an optimum value search method such as a genetic algorithm.

The obtained Q61, Q62 and Q63 are pumps 61 and 6 via signal lines 61a, 62a and 63a, respectively.
Informed to 2, 63.

As described above, since the amount of water taken from each water intake point can be adjusted according to the concentration of pollutants in the sewage treated water, the quality and quantity of the supplied clean water can be stably maintained.

Embodiment 20. FIG. 13: is a block diagram which shows the water management system which concerns on Embodiment 20 of this invention.
In the twentieth embodiment, the system is configured so that the water quality at each intake point of the water purification plant is measured and the amount of intake water from each intake point is adjusted by these values.

In FIG. 13, 51, 52, and 53 are information collection facilities for measuring the pollutant concentration at the intake points corresponding to the pipelines 3e, 3d, and 3c, respectively, and the signal line 51.
It is connected to the controller 4 via a, 52a and 53a. Other configurations are similar to those in FIG.

Next, the operation of the twentieth embodiment will be described. The pollutant concentrations C3ine, C3ind, and C3inc measured at the information processing facilities 51, 52, and 53 are signal lines 51a and 52, respectively.
It is sent to the controller 4 via a and 53a. The controller 4 uses these values for the respective conduits 3e,
Determine the amount of water taken from 3d and 3c. This procedure is similar to that of the eighteenth embodiment.

As described above, since the amount of each intake water can be adjusted according to the pollutant concentration at each intake point, the quality and quantity of the supplied clean water can be stably maintained.

Embodiment 21. In the nineteenth embodiment, an example in which the water quality at a plurality of intake points is estimated from the water quality of the sewage treatment water has been described.
The system can also be configured to use the pollutant concentration measurement value of the information collection facility as shown in. In this case, in addition to the effects of the nineteenth embodiment, there is an effect that the water quality at the water intake points can be estimated more precisely and the water intake amount from each water intake point can be adjusted.

Further, even if the system is constructed so that the water quality is estimated from the operating conditions of the sewage treatment plant, for example, the aeration amount, instead of the water quality of the sewage treatment water, the same effect as that of the above-mentioned nineteenth embodiment is obtained.

Embodiment 22. FIG. 14 is a configuration diagram showing a water management system according to Embodiment 22 of the present invention.
In the twenty-second embodiment, the system is configured to estimate the water quality at the water intake points related to a plurality of water sources and adjust the amount of water intake from each water intake point according to these values. In FIG. 14, 10 is a river. 20 is a sewage treatment plant that discharges treated water to the river 10. 20 c is a conduit for discharging the treated water of the sewage treatment plant 20 to the river 10. 20a
Is a signal line for sending the pollutant concentration in the treated water measured at the sewage treatment plant 20 to the controller 4.

Reference numeral 3d is a conduit for sending raw water taken from the river 10 to the water purification plant 3. 3d pump 61
Is attached. The pump 61 is connected to the controller 4 via a signal line 61a. Other configurations are the same as those in FIG.

Next, the operation of the twenty-second embodiment will be described. Contaminant concentration C2ou measured at sewage treatment plant 2
t is sent to the controller 4 via the signal line 2a, and the pollutant concentration C20out measured at the sewage treatment plant 20 is sent to the controller 4 via the signal line 20a. The controller 4 uses two intake points, that is, the pollutant concentration C3in1 at the intake point of the river 1 and the pollutant concentration C3in10 at the intake point of the river 10, for example, according to the above equations (12.1) and (12.2). Calculate

Next, using these values, the amount of water taken from each of the conduits 3c and 3d is determined. This procedure is the same as in the nineteenth embodiment.

As described above, since the amount of water taken from each water intake point can be adjusted according to the concentration of pollutants in the sewage-treated water applied to a plurality of water sources, the quality and quantity of the supplied clean water can be stably maintained. .

Twenty-third embodiment. FIG. 15 shows the second embodiment.
It is a block diagram which shows the water management system which concerns on 3. The twenty-third embodiment measures the water quality at the water intake points related to a plurality of water sources,
The system is configured to adjust the amount of water intake from each intake point according to these values.

In FIG. 15, reference numerals 5 and 50 are information collection facilities for measuring the pollutant concentration at the intake points in the rivers 1 and 10, respectively, and are connected to the controller 4 via signal lines 5a and 50a. Other configurations are shown in FIG.
Is the same as.

Next, the operation of the twenty-third embodiment will be described. The pollutant concentration C3in, C3in10 measured at the information processing facility 5, 50 is sent to the controller 4 via the signal line 5a, 50a. The controller 4 uses these values to determine the amount of water taken from each of the pipelines 3c and 3d.
This procedure is similar to that of the eighteenth embodiment.

As described above, since the amount of each water intake can be adjusted according to the water quality at the water intake points of a plurality of water sources, the quality and quantity of the clean water to be supplied can be stably maintained.

Twenty-fourth Embodiment In the twenty-second embodiment, an example of estimating the water quality of a plurality of water sources from the water quality of the sewage treatment water is shown, but the pollutant concentration measurement of the information collection facility as shown in the twenty-third embodiment in the calculation of the water quality estimation. The system can also be configured to use values as well. in this case,
In addition to the effect of the twenty-second embodiment, it is possible to more accurately estimate the water quality at the water intake point and adjust the water intake amount from each water intake point.

Further, even if the system is configured so that the water quality is estimated from the operating conditions of the sewage treatment plant, for example, the aeration amount, instead of the water quality of the sewage treated water, the same effects as those of the above-mentioned twenty-second embodiment are obtained.

Twenty-fifth Embodiment Embodiments 16 and 1 above
In 8, 19, 21, 22, and 24, an example of calculating the pollutant concentration by a linear expression was shown, but the system is calculated so as to be calculated by a dynamic simulation considering the flow of water, the mass transfer of pollutants, and the reaction. It can also be configured. In that case, there is an effect that the pollutant concentration can be estimated more precisely.

Further, if the model parameter used for the dynamic simulation is adjusted according to the information from the sewage treatment plant or the information collecting facility, for example, the water temperature, the accuracy is further improved.

Twenty-sixth Embodiment 16 is a configuration diagram showing a water management system according to a twenty-sixth embodiment of the present invention. In the twenty-sixth embodiment, when supplying clean water from a plurality of water purification plants, a system is configured to distribute the clean water supply amount of each water purification plant, that is, the amount of water intake so that the cost becomes the lowest.

In FIG. 16, rivers 1 and 10 are different from each other. 3 is a water purification plant that takes in water from the river 1, and 30 is a water purification plant that takes in water from the river 10. Reference numeral 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. 3e is a pipeline for supplying clean water from the water purification plant 3, and 30e is a pipeline for supplying clean water from the water purification plant 30. 5 is river 1
Information collection facility to measure the water quality of rivers, 50 are rivers 10
It is an information collection facility for measuring the water quality of. Reference numeral 4 is a controller for determining the amount of water taken by the water purification plants 3 and 30, and this controller 4 has an information collecting facility 5 via a signal line 5a and an information collecting facility 50 via a signal line 50a.
, And the water purification plant 3 via the signal line 3a, and the water purification plant 30 via the signal line 30a.

Next, the operation of the twenty-sixth embodiment will be described. First, the controller 4 calculates a treatment cost Co3 required to treat the water Q3in of the river 1 to a certain target water quality in the water purification plant 3. The water quality of the river 1 required for this calculation is sent from the information collection facility 5 to the controller 4 via the signal line 5a. Similarly, in the water purification plant 30, the treatment cost Co30 required to treat the water Q30in of the river 10 to a certain target water quality is calculated. River 1 required for this calculation
The water quality of 0 is sent from the information collecting facility 50 to the controller 4 via the signal line 50a.

This operation is repeated to find the combination of Q3in and Q30in that minimizes Co3 + Co30. Where Q3in
+ Q30in is constant. Required Q3in and Q30in
Are the water intakes of the water treatment plant 3 and the water treatment plant 30, respectively, via the signal line 3a or 30a, respectively.
Sent to 0.

As described above, it is possible to stably supply clean water of good water quality while suppressing the treatment cost.

Twenty-seventh Embodiment FIG. 17: is a block diagram which shows the water management system which concerns on Embodiment 27 of this invention.
In the twenty-sixth embodiment, the example of using the water quality of the river measured by the information collection facility for the calculation of the treatment cost at the water purification plant has been shown. However, the twenty-seventh embodiment uses the water quality of the raw water measured at the water purification plant. In this case, the same effect can be obtained.

In this case, the system configuration is as shown in FIG. The water quality of the raw water measured at each water purification plant 3, 30 is transmitted to the controller 4 via the signal line 3a or 30a. Other operations are the same as those in the twenty-sixth embodiment.

Embodiment 28. 18 is a configuration diagram showing a water management system according to Embodiment 28 of the present invention.
In the twenty-sixth embodiment, an example in which the water quality of the river measured by the information collection facility is used to calculate the treatment cost at the water purification plant is shown, but the twenty-eighth embodiment is a treatment at the sewage treatment plant upstream of the water purification plant. The system is configured to use the water quality, and the same effect is obtained in this case as well.

In FIG. 18, 2 is a sewage treatment plant which is provided on the upstream side of the water purification plant 3 and discharges the treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 1. Further, 20 is a sewage treatment plant which is provided on the upstream side of the water purification plant 30 and discharges the treated water to the river 10. 20 c is a conduit for discharging the treated water of the sewage treatment plant 20 to the river 10. The sewage treatment plants 2 and 20 are connected to the controller 4 via signal lines 2a and 20a, respectively. Other configurations are the same as those in FIG.

Next, the operation of the twenty-eighth embodiment will be described. The pollutant concentration in the treated water of the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2a. In addition, the concentration of pollutants in the treated water of the sewage treatment plant 20 is the signal line 20a.
Is transmitted to the controller 4 via. Others are the same as in the twenty-sixth embodiment.

Even if the system is constructed so that the water quality is estimated from the operating conditions of the sewage treatment plant, for example, the amount of aeration, instead of the water quality of the sewage treatment water, the same effect as in the twenty-eighth embodiment can be obtained.

Twenty-ninth Embodiment. FIG. 19 is a configuration diagram showing a water management system according to the 27th embodiment of the present invention.
In the twenty-ninth embodiment, the system is configured so that the flow rate of a river, which is a water source of a water purification plant, is measured in advance, and when the flow rate decreases, raw water is exchanged from another river.

In FIG. 19, 1 and 10 are different rivers. 3 is a water purification plant that takes in water from the river 1, and 30 is a water purification plant that takes in water from the river 10. Reference numeral 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. 300c
Is a conduit for accommodating raw water taken through the conduit 3c or 300c, and the conduit 3c and the conduit 300
It is connected to c. 6 is a pump attached to the conduit 300c.

Reference numeral 5 is an information collecting facility for measuring the flow rate of the river 1, and 50 is an information collecting facility for measuring the flow rate of the river 10. Reference numeral 4 is a controller for determining the interchange amount of raw water according to the flow rate of the river measured by the information collecting facilities 5 and 50. The controller 4 is connected to the information collecting facility 5 via the signal line 5a and the signal line 50a. The information collecting facility 50 is connected to the pump 6 via the signal line 6a. The controller 4 constitutes means for instructing the amount of water interchange between the plurality of second water treatment facilities, and the signal line 5
Reference characters a, 50a and 6a constitute means for obtaining information.

Next, the operation of the twenty-ninth embodiment will be described. The flow rate Q1 of the river 1 is measured at the information collection facility 5,
It is sent to the controller 4 via the signal line 5a. Also,
The flow rate Q10 of the river 10 is measured by the information collection facility 50 and sent to the controller 4 via the signal line 50a.

The controller 4 compares the flow rate Q1 of the river 1 with the target flow rate Q1 *, and when Q1 is less than Q1 *, the pipe 3
Instruct the water purification plant 3 to use part of the raw water that has been taken in through the water purification plant 0c. This instruction is transmitted to the pump 6 through the signal line 6a, and the operation of the pump 6 causes the pipeline 300c
Part of the raw water is supplied from the water purification plant 30 to the water purification plant 3 via the.

Further, the controller 4 determines the flow rate Q1 of the river 10.
0 is compared with the target flow rate Q10 *, and when Q10 is less than Q10 *, an instruction is given to transfer a part of the raw water taken through the pipe 3c to the water purification plant 30. This instruction is transmitted to the pump 6 via the signal line 6a, and a part of the raw water is supplied from the water purification plant 3 to the water purification plant 30 via the pipe 300c by the operation of the pump 6.

As described above, since it is possible to quickly detect a decrease in the amount of water in one of the rivers 1 and 10 that are the water sources of the water purification plants 3 and 30 and to accommodate raw water from the other rivers, the amount of clean water to be supplied can be stably maintained. Has the effect.

Embodiment 30. In the twenty-ninth embodiment, an example of accommodating raw water from another river when the flow rate of the river, which is the water source of the water purification plant, has been shown, but the thirtieth embodiment measures the water quality of the river. If this deteriorates, the system is configured to allow raw water to flow from other rivers. In this case, the system configuration is as shown in FIG.
Similar to 9. Next, the operation of the thirtieth embodiment will be described with reference to FIG. The pollutant concentration C1 in the river 1 is measured by the information collection facility 5 and sent to the controller 4 via the signal line 5a. The pollutant concentration C10 in the river 10 is measured by the information collection facility 50, and the signal line 5
It is sent to the controller 4 via 0a.

The controller 4 controls the pollutant concentration in the river 1.
C1 is compared with the reference concentration C1 *, and when C1 is lower than C1 *, an instruction is given to exchange a part of the raw water taken through the pipe 30c to the water purification plant 3. This instruction is signal line 6
A part of raw water is supplied to the water purification plant 3 from the water purification plant 30 via the pipe 300c by the operation of the pump 6 that is transmitted to the pump 6 via a.

Further, the controller 4 compares the pollutant concentration C10 in the river 10 with the reference concentration C10 *, and when C10 is lower than C10 *, a part of the raw water taken through the pipe 3c. To instruct the water purification plant 30 to adapt. This instruction is transmitted to the pump 6 via the signal line 6a, and the pump 6
By this operation, part of the raw water is supplied from the water purification plant 3 to the water purification plant 30 through the pipe 300c.

As described above, since the deterioration of the water quality of the rivers 1 and 10 which are the water sources of the water treatment plants 3 and 30 can be detected quickly and the raw water can be accommodated from other rivers, the quality and quantity of the supplied clean water can be stabilized. It has the effect of being able to maintain it.

Embodiment 31. FIG. 20: is a block diagram which shows the water management system which concerns on Embodiment 31 of this invention.
Although Embodiments 29 and 30 above show an example in which raw water is exchanged from another river when the flow rate of the river that is the water source of the water purification plant decreases or the water quality deteriorates, this Embodiment 31 Is a system configured to accommodate water being treated at another water treatment plant.

In FIG. 20, reference numeral 300c denotes a conduit for accommodating water being treated, which is the water purification plant 3 and the water purification plant 3
It is connected to 0. A pump 6 is attached to the pipe 300c and is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG.
The operation of this Embodiment 31 is also the same as that of Embodiment 29 above.
And 30.

Embodiment 32. 21: is a block diagram which shows the water management system which concerns on Embodiment 32 of this invention.
Although Embodiments 29 and 30 above show an example in which raw water is exchanged from another river when the flow rate of the river, which is the water source of the water purification plant, decreases or the water quality deteriorates, the present Embodiment 32 is described. Is a system configured to accommodate the clean water treated at other water treatment plants.

In FIG. 21, reference numeral 300c designates a conduit for accommodating the treated clean water, which is connected to the conduit 3e of the water purification plant 3 and the conduit 30e of the water purification plant 30. Here, the pipeline 3e is a pipeline for distributing water from the water purification plant 3, and the pipeline 30e is a pipeline for distributing water from the water purification plant 30. 6
Is a pump attached to the pipe 300c, and is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. In addition, the thirty-second embodiment
The operation of is also almost the same as that of the twenty-ninth embodiment.

Embodiment 33. 22: is a block diagram which shows the water management system which concerns on Embodiment 33 of this invention.
In the thirty-third embodiment, the system is configured to estimate the water quality of the river from the treated water quality of the sewage treatment plant and, if the water quality deteriorates, allow the raw water from other rivers to be accommodated.

In FIG. 22, 2 is a sewage treatment plant for discharging treated water to the river 1, and 20 is a sewage treatment plant for discharging treated water to the river 10. 2c is a conduit for discharging the sewage treatment plant 2 to the river 1, and 20c is a sewage treatment plant 20 to the river 1
It is a conduit for discharging to 0. In addition, sewage treatment plant 3,
Reference numeral 30 is connected to the controller 4 via signal lines 2a and 20a, respectively. Other configurations are the same as those in FIG.

Next, the operation of the thirty-third embodiment will be described. The pollutant concentration C2out in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. Further, the pollutant concentration C20out in the treated water measured at the sewage treatment plant 20 is sent to the controller 4 via the signal line 2a.
Sent to. The controller 4 estimates the pollutant concentration C1 in the river 1 and the pollutant concentration C10 in the river 10 using these values. The calculation for the estimation follows, for example, the above equations (11.1) and (11.2).

The controller 4 compares the pollutant concentration C1 in the river 1 with the reference concentration C1a, and when C1 is lower than C1a, a part of the raw water taken through the pipe 30c is treated at the water purification plant. Give an instruction to adapt to 3. This instruction is transmitted to the pump 6 via the signal line 6a, and a part of the raw water flowing through the pipe 30c is supplied to the pipe 3c via the pipe 300c by the operation of the pump 6 and then supplied to the water purification plant 3.

Further, the controller 4 compares the pollutant concentration C10 in the river 10 with the reference concentration C10a, and when C10 is lower than C10a, a part of the raw water taken through the pipe 3c is removed. Instruct the water purification plant 30 to adapt. This instruction is transmitted to the pump 6 through the signal line 6a, and the operation of the pump 6 causes a portion of the raw water flowing through the pipe 3c to flow to the pipe 30.
It is supplied to the pipe 30c through the 0c, from which the water treatment plant 3
Supplied to zero.

As described above, it is possible to estimate the deterioration of the water quality of the river from the concentration of pollutants in the sewage treatment water and to exchange the raw water from other rivers, so that the quality and quantity of the supplied clean water can be stably maintained. Play.

Embodiment 34. 23: is a block diagram which shows the water management system which concerns on Embodiment 34 of this invention.
In the thirty-third embodiment, when the water quality of the river, which is the water source of the water purification plant, deteriorates, the raw water is exchanged from the other river. However, the thirty-fourth embodiment treats the raw water with the other water purification plant. The system is configured to accommodate the water inside.

In FIG. 23, reference numeral 300c denotes a conduit for accommodating water being treated, which is the water purification plant 3 and the water purification plant 3
It is connected to 0. A pump 6 is attached to the pipe 300c and is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG.
The operation of the thirty-fourth embodiment is almost the same as that of the thirty-third embodiment.

Embodiment 35. 24: is a block diagram which shows the water management system which concerns on Embodiment 35 of this invention.
In the thirty-third embodiment, when the water quality of the river, which is the water source of the water purification plant, deteriorates, the raw water is exchanged from the other river. However, the thirty-fifth embodiment treats the raw water with the other water purification plant. The system is configured to accommodate the clean water.

In FIG. 24, reference numeral 300c denotes a conduit for accommodating the treated clean water, which is connected to the conduit 3e of the water purification plant 3 and the conduit 30e of the water purification plant 30. Here, the pipeline 3e is a pipeline for distributing water from the water purification plant 3, and the pipeline 30e is a pipeline for distributing water from the water purification plant 30. 6
Is a pump attached to the pipe 300c, and is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. In addition, the thirty-fifth embodiment
The operation of is also almost the same as that of the thirty-third embodiment.

Embodiment 36. 25 is a configuration diagram showing a water management system according to the 36th embodiment of the present invention. This Embodiment 36 targets a plurality of water treatment plants capable of accommodating raw water so that the total treatment cost becomes the lowest.
This system constitutes a system that determines the intake amount and water interchange amount of each water treatment plant.

In FIG. 25, 1 and 10 are different rivers. 3 is a water purification plant that takes in water from river 1, 30
Is a water purification plant that takes water from the river 10. 3c is a conduit for introducing the water from the river 1 into the water purification plant 3, 30c is the river 10
It is a conduit for introducing the water of the above into the water purification plant 30. 3e is a pipeline for supplying clean water from the water purification plant 3, and 30e is a pipeline for supplying clean water from the water purification plant 30. 300c
Is a conduit for accommodating raw water taken through the pipe 3c or 30c. The conduit 3c and the conduit 30
It is connected to c. 6 is a pump attached to the conduit 300c.

5 is an information collecting facility for measuring the water quality of the river 1, and 50 is an information collecting facility for measuring the water quality of the river 10. Reference numeral 4 is a controller for determining the amount of water intake and the amount of water interchange of the water purification plants 3 and 30, and this controller 4 has an information collecting facility 5 via a signal line 5a and an information collecting facility via a signal line 50a. 50, the water purification plant 3 via the signal line 3a, and the water purification plant 30 via the signal line 30a.

Next, the operation of the thirty-sixth embodiment will be described. First, the controller 4 calculates a treatment cost Co3 required to treat the water Q3in of the river 1 to a certain target water quality in the water purification plant 3. The water quality of the river 1 required for this calculation is sent from the information collection facility 5 to the controller 4 via the signal line 5a. Similarly, in the water purification plant 30, the treatment cost Co30 required to treat the water Q30in of the river 10 to a certain target water quality is calculated. River 1 required for this calculation
The water quality of 0 is sent from the information collecting facility 50 to the controller 4 via the signal line 50a. Here, Q3in + Q30in is assumed to be equal to the sum of the clean water supply amount of each water treatment plant 3, 30.

This operation is repeated to find the combination of Q3in and Q30in that minimizes Co3 + Co30. Required Q
3in and Q30in are sent to the respective water purification plants 3 and 30 as signal intake amounts of the water purification plant 3 and the water purification plant 30 via the signal line 3a or 30a. Also, Q3in or Q3
When 0 in is insufficient in the amount of clean water supplied to each water purification plant, the insufficient amount is accommodated to the other via the pipe 300c. The interchange amount is sent from the controller 4 to the pump 6 via the signal line 6a.

As described above, there is an effect that it is possible to stably supply clean water of good water quality while suppressing the treatment cost.

Embodiment 37. FIG. 26: is a block diagram which shows the water management system which concerns on Embodiment 37 of this invention.
In the above-mentioned Embodiment 36, an example of accommodating the raw water taken in by the water purification plant has been shown, but in Embodiment 37, the system is configured to accommodate the water in the treatment process. In this case, the same effect can be obtained.

In FIG. 26, 300c is a pipe line for accommodating water in the process of being treated in the water purification plant 3 or 30, and connects the water purification plant 3 and the water purification plant 30. Other configurations are the same as those in FIG. In addition, the third embodiment
The operation of 7 is the same as that of the 36th embodiment.

Embodiment 38. 27: is a block diagram which shows the water management system which concerns on Embodiment 38 of this invention.
In the above-mentioned 36th embodiment, an example of accommodating the raw water taken in by the water purification plant has been shown, but in the 38th embodiment, the system is configured to accommodate the clean water. Also has the same effect.

In FIG. 27, 300c is a conduit for accommodating tap water, which is connected to the pipe 3e and the pipe 30e. Other configurations are the same as those in FIG. The operation of the thirty-eighth embodiment is similar to that of the thirty-sixth embodiment.

Embodiment 39. 28: is a block diagram which shows the water management system which concerns on Embodiment 39 of this invention.
In the above-mentioned 36th embodiment, an example of using the river water quality measured in the information collection facility for the treatment cost calculation in the water purification plant was shown, but in the 39th embodiment, the raw water quality measured in the water purification plant is used. In this case, the same effect can be obtained.

In FIG. 28, the water purification plants 3 and 30 are connected to the controller 4 via signal lines 3a and 30a. Other configurations are the same as those in FIG.

Next, the operation of the thirty-ninth embodiment will be described. The water quality of the raw water measured at each water purification plant 3, 30 is sent to the controller 4 via the signal lines 3a, 30a. Others are the same as those in the 36th embodiment.

Embodiment 40. FIG. 29: is a block diagram which shows the water management system which concerns on Embodiment 40 of this invention.
In the thirty-ninth embodiment, an example of accommodating the raw water taken at the water purification plant has been shown, but the fortieth embodiment is a system configured to accommodate the water in the treatment process. In this case, the same effect can be obtained.

In FIG. 29, 300c is a conduit for accommodating water in the process of being treated in the water purification plant 3 or 30, and connects the water purification plant 3 and the water purification plant 30. The other configuration is similar to that of FIG. The operation of the fortieth embodiment is similar to that of the thirty-ninth embodiment.

Embodiment 41. FIG. 30: is a block diagram which shows the water management system which concerns on Embodiment 41 of this invention.
In the above-mentioned thirty-ninth embodiment, an example of accommodating raw water taken in by a water purification plant has been shown, but in this forty-first embodiment, the system is configured to accommodate tap water, and in this case, Also has the same effect.

In FIG. 30, reference numeral 300c is a pipe line for accommodating tap water, which is connected to the pipe 3e and the pipe 30e. The other configuration is similar to that of FIG. The operation of the forty-first embodiment is similar to that of the thirty-ninth embodiment.

Embodiment 42. FIG. 31: is a block diagram which shows the water management system which concerns on Embodiment 42 of this invention.
In the above-mentioned Embodiment 36, the example of using the river water quality measured at the information collection facility for the calculation of the treatment cost at the water purification plant was shown, but this Embodiment 42 is the treatment of the sewage treatment plant upstream of the water treatment plant. The system is configured to use the water quality, and the same effect is obtained in this case as well.

In FIG. 31, 2 is a sewage treatment plant for discharging treated water to the river 1, and 20 is a sewage treatment plant for discharging treated water to the river 10. 2c is a pipeline for discharging treated water from the sewage treatment plant 2 to the river 1, and 20c is a sewage treatment plant 20.
It is a pipe for discharging the treated water from the river to the river 10.
The sewage treatment plant 2 is connected to the sewage treatment plant 2 via the signal line 2a.
0 is connected to the controller 4 via the signal line 20a. Other configurations are the same as those in FIG.

Next, the operation of the forty-second embodiment will be described. The pollutant concentration in the treated water measured at the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2a.
Further, the pollutant concentration in the treated water measured at the sewage treatment plant 20 is transmitted to the controller 4 via the signal line 20a. Others are the same as those in the 36th embodiment.

Embodiment 43. 32 is a configuration diagram showing a water management system according to Embodiment 43 of the present invention.
In the above-mentioned Embodiment 42, an example of accommodating the raw water taken in by the water purification plant is shown, but in this Embodiment 43, the system is configured to accommodate the water in the treatment process. In this case, the same effect can be obtained.

In FIG. 32, 300c is a pipe line for accommodating water in the process of being treated in the water purification plant 3 or 30, and connects the water purification plant 3 and the water purification plant 30. Other configurations are the same as those in FIG. Operation of the forty-third embodiment The operation is the same as that of the forty-second embodiment.

Embodiment 44. 33 is a configuration diagram showing a water management system according to Embodiment 44 of the present invention.
In the forty-second embodiment, an example of accommodating the raw water taken at the water purification plant has been shown, but in the forty-fourth embodiment, the system is configured to accommodate the clean water. Also has the same effect.

In FIG. 33, reference numeral 300c denotes a pipe line for accommodating tap water, which is connected to the pipe 3e and the pipe 30e. Other configurations are the same as those in FIG. The operation of the forty-fourth embodiment is similar to that of the forty-second embodiment.

Embodiment 45. 34: is a block diagram which shows the water management system which concerns on Embodiment 45 of this invention.
In the forty-fifth embodiment, the system is configured to adjust the operating conditions of the sewage treatment plant so that the quality of raw water taken by the water purification plant becomes the target water quality.

In FIG. 34, 1 is a river. 2 is a sewage treatment plant that discharges the treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated sewage water to the river 1. 3 is a water purification plant that takes water from the river 1. Reference numeral 3c is a conduit for introducing the water of the river 1 into the water purification plant 3. Reference numeral 4 is a controller for adjusting the operating conditions of the sewage treatment plant 2 using information on the sewage treatment plant 3, and the sewage treatment plant 2 via the signal line 2a
And the water purification plant 3 via the signal line 3a. The controller 4 constitutes means for instructing the operation method of the second water treatment facility, and the signal lines 2a, 3a constitute means for obtaining information.

Next, the operation of the forty-fifth embodiment will be described. Contaminant concentration C3 in raw water measured at water purification plant 3
in is sent to the controller 4 via the signal line 3a. The controller 4 adjusts the operating conditions of the sewage treatment plant 2, for example, the aeration amount Qair, according to the deviation between the pollutant concentration C3in in the raw water and the predetermined target value C3in *. The calculation follows, for example, the following expression (45.1).

Qair = k45 × (C3in−C3in *) (45.1) where k45: the output of the coefficient controller 4 is transmitted to the sewage treatment plant 2 via the signal line 2a, and the aeration amount of the sewage treatment plant 2 and the like. Operating conditions are adjusted.

As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so as to maintain the quality of the raw water taken by the water purification plant 3, there is an effect that the quality of the raw water can be kept good and stable.

Embodiment 46. 34: is a block diagram which shows the water management system which concerns on Embodiment 46 of this invention.
In the above-mentioned Embodiment 45, an example is shown in which the operating conditions of the sewage treatment plant are adjusted according to the deviation between the water quality of the raw water taken by the water purification plant and the predetermined target water quality of the raw water.
No. 6 is a system configured to estimate the treated water quality of the sewage treatment plant from the water quality of the raw water of the water treatment plant and adjust the operating conditions of the sewage treatment plant so that this is the target water quality.

Next, the operation of the forty-sixth embodiment will be described with reference to FIG. The pollutant concentration C3in in the raw water measured at the water purification plant 3 is sent to the controller 4 via the signal line 2a. The controller 4 uses, for example, the following equation (46.
According to 1), the concentration of pollutants in the sewage treatment plant 2 treated water
Estimate C2out.

C2out = k461 × C3in (46.1) where k461: coefficient Next, this pollutant concentration C2out and a predetermined target value C2out
The operating condition of the sewage treatment plant 3, for example, the aeration amount Qair is adjusted according to the deviation from *. The calculation is, for example, the following formula (46.2)
Follow

Qair = k462 × (C2out−C2out *) (46.2) where k462: the output of the coefficient controller 4 is transmitted to the sewage treatment plant 2 via the signal line 2a.

As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so as to maintain the quality of the raw water taken by the water purification plant 3, there is an effect that the quality of the raw water can be kept good and stable.

Embodiment 47. 35 is a configuration diagram showing a water management system according to the 47th embodiment of the present invention.
In the forty-seventh embodiment, the system is configured to adjust the operating conditions of the sewage treatment plant so that the water quality of the river water measured by the information collecting facility becomes the target water quality. In FIG. 35, 5 is an information collection facility for collecting water quality information such as the pollutant concentration of the river 1. Reference numeral 5a is a signal line for sending the pollutant concentration measured by the information collection facility 5 to the controller 4. Other configurations are the same as those in FIG. 34.

Next, the operation of the forty-seventh embodiment will be described. The pollutant concentration C5 measured at the information collecting facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 adjusts the operating condition of the sewage treatment plant 3, for example, the aeration amount Qair, according to the deviation between this value C5 and a predetermined target value C5 *. The calculation follows, for example, the following expression (47.1).

Qair = k47 × (C5−C5 *) (47.1) where k47: the output of the coefficient controller 4 is transmitted to the sewage treatment plant 2 via the signal line 2a, and the aeration amount of the sewage treatment plant 2 etc. Operating conditions are adjusted.

As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so as to maintain the water quality of the river, which is the water source, the water quality of the water source can be kept good and stable.

Embodiment 48. 36: is a block diagram which shows the water management system which concerns on Embodiment 48 of this invention.
The forty-eighth embodiment estimates the water quality of raw water taken by the water purification plant from the pollutant concentration measured in the information collection facility and the pollutant concentration in the sewage treatment water, and the operating conditions of the sewage treatment plant are set so that this becomes the target water quality. The system is configured to adjust.

In FIG. 36, 2 is a sewage treatment plant.
Reference numeral 2a is a signal line for sending information regarding the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG. Next, the operation of the forty-eighth embodiment will be described.
The pollutant concentration C5 measured at the information collection facility 5 is the signal line 5a.
Is sent to the controller 4 via. Also sewage treatment plant 2
The pollutant concentration C2out in the treated water measured in step 2 is sent to the controller 4 via the signal line 2a. The controller 4
The pollutant concentration C3in in the raw water taken by the water purification plant 3 is calculated according to the above-mentioned formula (8.1), for example.

Thereafter, the same operation as in the forty-seventh embodiment is performed.

As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so as to maintain the quality of the raw water taken by the water purification plant 3, it is said that the quality of the supplied clean water can be kept good and stable. Produce an effect.

Embodiment 49. In the forty-eighth embodiment, an example of estimating the water quality of the raw water taken by the water treatment plant from the pollutant concentration measured at the information collection facility and the pollutant concentration in the sewage treatment water has been shown. Even if the system is configured to estimate the water quality of raw water from the amount of aeration, the same effect can be obtained.

Embodiment 50. Embodiments 45 to 4 above
In No. 9, an example is shown in which the aeration amount is adjusted as the operating condition of the sewage treatment plant, but the same effect can be obtained even if the system is configured so as to adjust other operating conditions such as the activated sludge microbial concentration.

Embodiment 51. Embodiments 45 to 5 above
In No. 0, an example in which the operating conditions of the sewage treatment plant are adjusted is shown, but the system may be configured to change the treatment process itself of the sewage treatment plant (for example, to add ozone treatment). Also in this case, of course, the fourth embodiment
It has the same effect as 5 to 50.

Embodiment 52. Embodiments 46 to 5 above
In 1, the example in which the pollutant concentration is calculated by a linear equation has been shown, but the system may be configured to be calculated by a dynamic simulation considering the flow of water, the mass transfer of pollutants, and the reaction. In that case, there is an effect that the pollutant concentration can be estimated more precisely.

Further, if the model parameters used for the dynamic simulation are adjusted according to the information from the sewage treatment plant or the information collecting facility, for example, the water temperature, the accuracy is further improved.

Embodiment 53. 37 is a configuration diagram showing a water management system according to the 53rd embodiment of the present invention. The embodiment 53 is configured with a system for optimizing the operating conditions of the water purification plant and the sewage treatment plant so as to supply the clean water of good water quality while suppressing the treatment cost.

In FIG. 37, 1 is a river. 2 is a sewage treatment plant that discharges the treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 1. 3 is a water purification plant that takes water from the river 1. Reference numeral 3c is a conduit for introducing the water of the river 1 into the water purification plant 3.

Reference numeral 4 is a controller for optimizing the operating conditions of the sewage treatment plant 2 and the water purification plant 3, and is connected to the sewage treatment plant 2 via the signal line 2a and to the water purification plant 3 via the signal line 3a, respectively. Has been done.

Next, the operation of the present embodiment 53 will be described. First, the controller 4 determines the quality of treated water and the cost Co2 when the sewage treatment plant 2 treats sewage under certain operating conditions.
To simulate. Next, the operating conditions necessary for treating the river water mixed with the sewage treated water to the target water quality with the water treatment plant 3 and its treatment cost Co3 are calculated.

By repeating the above calculation, the operating conditions of the sewage treatment plant 2 and the water purification plant 3 where the total treatment cost Co2 + Co3 is the lowest are found. These operating conditions are applied to the sewage treatment plant 2 via the signal line 2a and also to the signal line 3a.
Sent to the water purification plant 3.

As described above, there is an effect that it is possible to supply clean water of good water quality while suppressing the treatment cost.

Embodiment 54. 38 is a block diagram showing a water management system according to the 54th embodiment of the present invention. This Embodiment 54 also comprises a system for optimizing the operating conditions of the water purification plant and the sewage treatment plant so as to supply the clean water of good water quality while suppressing the treatment cost.

In FIG. 38, reference numeral 5 is an information collection facility for measuring the water quality of the river 1, which is connected to the controller 4 via a signal line 5a. Others are the same as the above-mentioned Embodiment 53.
Is the same as.

The operation of the 54th embodiment is almost the same as that of the 53rd embodiment, but the river water quality measured by the information collecting facility 5 is used to calculate the operating conditions and the treatment cost of the water purification plant 3.

As described above, in addition to the effects of the above-mentioned Embodiment 53, there is an effect that the operating conditions of the water purification plant 3 and the sewage treatment plant 2 can be calculated more precisely.

Embodiment 55. FIG. 39 is a configuration diagram showing a water management system according to the 55th embodiment of the present invention.
The fifty-fifth embodiment has a system configured to adjust the amount of sewage treatment water to be highly treated for returning to the upstream of the water treatment plant so as to maintain the flow rate of the river at the intake point of the water purification plant. is there.

In FIG. 39, 1 is a river. 2 is a sewage treatment plant that discharges the treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 1. 3 is a water purification plant that takes in water from the river 1 and is located upstream of the sewage treatment plant 2. 3c is the water purification plant 3
It is a conduit for introducing into.

Reference numeral 8 denotes an advanced treatment facility for advanced treatment of the portion of the sewage treatment water that is returned to the upstream of the water purification plant 3. 8
Reference numeral c is a conduit for returning the treated water after the advanced treatment to the river 1. 6 is an advanced treatment facility for part of the sewage treatment water 8
It is a pump for turning around and is attached to the pipe 2c. The pump 6 is also connected to the advanced processing facility 8 via a pipe 8e.

Reference numeral 4 is a controller for adjusting the amount of sewage treatment water to be fed to the advanced treatment facility, which is connected to the water purification plant 3 via the signal line 3a and to the pump 6 via the signal line 6a.

Next, the operation of the 55th embodiment will be described. The flow rate Q3in at the water intake point measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. The controller 4 adjusts the amount of treated water supplied to the advanced treatment facility 8 according to the deviation between the flow rate Q3in and a predetermined target value Q3in *.
The calculation follows, for example, the following expression (55.1).

Q8in = k55 × (Q3in * -Q3in) (55.1) The output of the controller 4 is transmitted to the pump 6 via the signal line 6a.

As described above, since the amount of treated water to be returned to the upstream (advanced treatment) can be adjusted so as to maintain the flow rate at the water intake point of the water purification plant 3, it is said that the supply amount of clean water can be kept stable. Produce an effect. Further, there is an effect that the cost can be suppressed to a low level because it is not necessary to carry out advanced treatment of the entire amount.

Embodiment 56. 40 is a configuration diagram showing a water management system according to the 56th embodiment of the present invention. In the 56th embodiment, the system is configured to select the discharge position of the sewage treatment water according to the water quality of the raw water taken at the water purification plant.

In FIG. 40, 1 is a river. 2 is a sewage treatment plant that discharges the treated water to the river 1. Reference numerals 2c and 2d are pipes for discharging the sewage treatment water to the river 1. The pipeline 2d is installed so as to discharge the sewage treatment water upstream of the water purification plant 3 that takes in the water from the river 1. Reference numeral 3c is a conduit for introducing the water of the river 1 into the water purification plant 3. Reference numeral 4 is a controller for selecting the discharge position of the sewage treatment water, which is connected to the water purification plant 3 via the signal line 3a and the sewage treatment plant 2 via the signal line 2a. The controller 4 constitutes means for instructing the discharge position of the second water treatment facility, and the signal lines 2a, 3a constitute means for obtaining information.

Next, the operation of this embodiment 56 will be described. The pollutant concentration in the raw water measured at the water purification plant 3 is transmitted to the controller 4 via the signal line 3a. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the sewage treatment plant 2 to discharge the sewage treated water via the conduit 2c. To do. On the contrary, if the measured value falls below the upper limit, the pipeline 2
It is instructed to return the treated sewage water to the upstream of the water purification plant 3 via d. These instructions are transmitted to the sewage treatment plant 2 via the signal line 2a.

As described above, the discharge position of the sewage treatment water can be selected according to the water quality of the raw water of the water purification plant 3, so that the water intake amount of the water purification plant 3 can be increased without deteriorating the water quality of the raw water. .

Embodiment 57. In the above-mentioned Embodiment 56, an example is shown in which the discharge position of the sewage treatment water is selected according to the water quality of the raw water taken at the water treatment plant. The system may be configured to select the location of water discharge. In this case, the system configuration is the same as in FIG.

Next, regarding the operation of the present embodiment 57,
This will be described with reference to FIG. The concentration of pollutants in the treated water of the water purification plant 3, that is, the clean water, is transmitted to the controller 4 via the signal line 3a. The controller 4 compares the measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the sewage treatment plant 2 to discharge the sewage treated water via the conduit 2c. On the contrary, when the measured value is below the upper limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant via the conduit 2d. These instructions are signal line 2
It is transmitted to the sewage treatment plant 2 via a.

As described above, there is an effect that the water intake of the water purification plant can be increased without deteriorating the quality of clean water.

Embodiment 58. In the above-mentioned Embodiment 56, an example in which the discharge position of the sewage treatment water is selected according to the quality of the raw water taken at the water purification plant has been shown, but when the control set value of the water purification plant reaches the limit, for example, agglomeration Even if the system is configured to change the discharge position of the sewage treatment water when the amount of the agent added reaches the upper limit, the same effect can be obtained. in this case,
The system configuration is the same as in FIG.

Next, regarding the operation of the present embodiment 58,
This will be described with reference to FIG. The amount of coagulant input to the water purification plant 3 is transmitted to the controller 4 via the signal line 3a. The controller 4 compares this value with a predetermined upper limit value, and when the former exceeds the latter, issues an instruction to change the discharge position of the sewage treatment plant 2 to the downstream of the water purification plant 3. This instruction is transmitted from the controller 4 to the sewage treatment plant 2 via the signal line 2a.

Embodiment 59. 41 is a block diagram showing a water management system according to the 59th embodiment of the present invention. In the 59th embodiment, the system is configured to select the discharge position of the treated sewage water according to the treated water quality of the sewage treatment plant.

In FIG. 41, 2b is a signal line for sending the treated water quality of the sewage treatment plant 2 to the controller 4. Other configurations are similar to those of FIG. Next, the operation of the 59th embodiment will be described. The pollutant concentration in the sewage treatment water is transmitted to the controller 4 via the signal line 2b. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the sewage treatment plant 2 to discharge the sewage treated water via the conduit 2c. To do. On the contrary, when the measured value is below the upper limit value, an instruction is given to return the sewage treatment water to the upstream of the water purification plant 3 via the conduit 2d. These instructions are transmitted to the sewage treatment plant 2 via the signal line 2a.

As described above, since the discharge position of the sewage treatment water can be selected according to the quality of the treated water of the sewage treatment plant 2, it is possible to increase the intake amount of the water purification plant 3 without deteriorating the quality of the raw water. .

Embodiment 60. In the above-mentioned Embodiment 59, an example is shown in which the discharge position of the sewage treatment water is selected according to the treated water quality of the sewage treatment plant, but when the control set value of the sewage treatment plant reaches the limit, for example, the aeration amount becomes the upper limit. Even if the system is configured to change the discharge position of the sewage-treated water when the temperature reaches, the same effect can be obtained. In this case, the system configuration is the same as in FIG.

Next, the operation of the present embodiment 60 will be described with reference to FIG. The aeration amount of the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2b. The controller 4 compares this value with a predetermined upper limit value, and when the former exceeds the latter, issues an instruction to change the discharge position of the sewage treatment plant 2 to the downstream of the water purification plant 3. This instruction is sent to the controller 4 via the signal line 2a.

Embodiment 61. FIG. 42 is a configuration diagram showing a water management system according to the 61st embodiment of the present invention. In the sixty-first embodiment, the system is configured to select the discharge position of the sewage treatment water according to the water quality of the river measured by the information collecting facility.

In FIG. 42, reference numeral 5 denotes an information collecting facility for measuring the water quality of the river 1, which is connected to the controller 4 via a signal line 5a. Other configurations are shown in FIG.
Is the same as.

Next, the operation of the 61st embodiment will be described. The pollutant concentration in the river 1 measured by the information collecting facility 5 is transmitted to the controller 4 via the signal line 5b. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value,
The sewage treatment plant 2 is instructed to discharge the sewage treatment water via the pipe 2c. On the contrary, when the measured value is below the upper limit value, an instruction is given to return the sewage treatment water to the upstream of the water purification plant 3 via the conduit 2d. These instructions are transmitted to the sewage treatment plant 2 via the signal line 2a.

As described above, the discharge position of the sewage treatment water can be selected according to the water quality of the river 1 measured by the information collecting facility 5, so that the water intake of the water treatment plant 3 can be increased without deteriorating the quality of the raw water. Has the effect.

Embodiment 62. FIG. 43 is a configuration diagram showing a water management system according to Embodiment 62 of the present invention. In this Embodiment 62, the system is configured to select the discharge position of the sewage-treated water according to the quality of the raw water taken at the water purification plant and the quality of the treated water at the sewage treatment plant.

In FIG. 43, 2b is a signal line for sending the treated water quality of the sewage treatment plant 2 to the controller 4. Other configurations are similar to those of FIG.

Next, the operation of the present embodiment 62 will be described. Contaminant concentration in raw water taken at water treatment plant 3
C3in is sent to the controller 4 via the signal line 3a.
On the other hand, the pollutant concentration C2out in the sewage treatment water is the signal line 2a.
Is transmitted to the controller 4 via. Controller 4
Compares C2out with C3in, and when the former exceeds the latter, instructs the sewage treatment plant 2 to discharge the sewage treated water via the conduit 2c. On the contrary, when C2out is lower than C3in, an instruction is given to reduce the sewage treatment water to the upstream of the water purification plant 3 via the conduit 2d. These instructions are signal line 2a
It is transmitted to the sewage treatment plant 2 via.

As described above, the discharge position of the sewage treatment water can be selected according to the quality of the raw water taken at the water treatment plant 3 and the quality of the treated water at the sewage treatment plant 2, so that the water quality of the water treatment plant is not deteriorated. This has the effect of increasing the amount of water taken.

Embodiment 63. FIG. 44 is a configuration diagram showing a water management system according to the 63rd embodiment of the present invention. In the thirty-sixth embodiment, the system is configured to select the discharge position of the sewage-treated water according to the water quality of the river measured at the information collecting facility and the treated water quality of the sewage treatment plant.

In FIG. 44, 2b is a signal line for sending the treated water quality of the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG. 42.

Next, the operation of the 63rd embodiment will be described. The pollutant concentration C1 in the river 1 measured by the information collection facility 5 is sent to the controller 4 via the signal line 3a. On the other hand, the pollutant concentration C2out in the sewage treatment water is transmitted to the controller 4 via the signal line 2a. The controller 4 compares C2out with C1 and, when the former exceeds the latter, instructs the sewage treatment plant 2 to discharge the sewage treated water via the conduit 2c. On the contrary, when C2out is lower than C1, it is instructed to return the treated sewage water to the upstream of the water purification plant 3 via the conduit 2d. These instructions are signal line 2a
It is transmitted to the sewage treatment plant 2 via.

As described above, the discharge position of the sewage treatment water can be selected according to the water quality of the river 1 measured by the information collection facility 5 and the treatment water quality of the sewage treatment plant 2, so that the water purification plant 3 can be treated without deteriorating the quality of the raw water. There is an effect that it is possible to increase the amount of water taken.

Embodiment 64. In the above-mentioned Embodiment 56, an example is shown in which the discharge position of the sewage treatment water is selected according to the quality of the raw water taken at the water treatment plant, but the sewage treatment is performed according to the flow rate of the river at the intake point of the water treatment plant. The system can also be configured to select the location of water discharge. in this case,
The system configuration is the same as in FIG.

Next, regarding the operation of the sixty-fourth embodiment,
This will be described with reference to FIG. The flow rate of the river at the water intake point measured at the water purification plant 3 is transmitted to the controller 4 via the signal line 3a. In the controller 4, the measured value is compared with a predetermined lower limit value, and when the measured value exceeds the lower limit value, the sewage treatment plant 2 is discharged so that the sewage treated water is discharged via the pipeline 2c. Give instructions. On the contrary, when the measured value is below the lower limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant via the conduit 2d. These instructions are signal line 2
It is transmitted to the sewage treatment plant 2 via a.

As described above, since the flow rate of the river, which is the water source of the water purification plant 3, can be maintained, the effect of being able to maintain a stable supply of clean water can be obtained.

Embodiment 65. In the above-mentioned Embodiment 61, an example is shown in which the discharge position of the sewage treatment water is selected according to the water quality of the river measured by the information collection facility, but the sewage treatment water is also selected according to the flow rate of the river measured by the information collection facility. The system can also be configured to select the discharge location of the. In this case, the system configuration is the same as in FIG.

Next, the operation of the present embodiment 65 will be described with reference to FIG. The flow rate of the river measured at the information collecting facility 5 is transmitted to the controller 4 via the signal line 5a. In the controller 4, the measured value is compared with a predetermined lower limit value, and when the measured value exceeds the lower limit value, the sewage treatment plant 2 is discharged so that the sewage treated water is discharged via the pipeline 2c. Give instructions. On the contrary, when the measured value is below the lower limit value, an instruction is given to return the sewage treatment water to the upstream of the water purification plant 3 via the conduit 2d. These instructions are signal line 2a
It is transmitted to the sewage treatment plant 2 via.

[0237] From the above, the river 1 which is the water source of the water purification plant 3
Since the flow rate can be maintained, it is possible to maintain a stable supply of clean water.

Embodiment 66. In the above-mentioned Embodiment 59, an example is shown in which the discharge position of the sewage treatment water is selected according to the treatment water quality of the sewage treatment plant, but the contaminant concentration at the intake point of the water treatment plant is estimated from the treatment water quality of the sewage treatment plant. However, the system may be configured to select the discharge position of the sewage treatment water according to this. In this case, the system configuration is the same as in FIG.

Next, the operation of the sixty-sixth embodiment will be described with reference to FIG. Contaminant concentration in sewage treatment water
C2out is transmitted to the controller 4 via the signal line 2b. The controller 4 estimates the pollutant concentration C3in at the water intake point of the water purification plant, for example, according to the above equation (1.1). This pollutant concentration C3in is compared with a predetermined upper limit value, and when the measured value exceeds the upper limit value, the sewage treatment plant 2 is instructed to discharge the sewage treatment water via the conduit 2c. . On the contrary, if the measured value falls below the upper limit, the pipeline 2
It is instructed to return the treated sewage water to the upstream of the water purification plant 3 via d. These instructions are transmitted to the sewage treatment plant 2 via the signal line 2a.

As described above, the sixty-sixth embodiment has the same effect as that of the fifty-ninth embodiment.

Embodiment 67. Further, if the system is configured to use the pollutant concentration in the river water measured by the information collection facility 5 to estimate the pollutant concentration at the intake point of the water purification plant 3, the pollutant concentration can be estimated more precisely. in this case,
The system configuration is similar to that shown in FIG. 44, and the pollutant concentration in river water measured by the information collecting facility 5 may be sent to the controller 4 via the signal line 5a and used for calculation for estimation.

Embodiment 68. In the above-mentioned Embodiment 56, an example is shown in which the discharge position of the sewage treatment water is changed to the upstream or downstream of the water treatment plant according to the quality of the raw water taken at the water treatment plant, but if the water quality of the raw water is poor Even if the system is configured to be discharged into the river, the same effect can be obtained. In this case, the system configuration is as shown in FIG. Two
d is a pipe for discharging the treated water of the sewage treatment plant 2 to the river 10. Other configurations are similar to those of FIG. The operation of the sixty-eighth embodiment is similar to that of the fifty-sixth embodiment.

Embodiment 69. In the above-mentioned Embodiment 57, an example is shown in which the discharge position of the sewage treated water is changed to the upstream or the downstream of the water treatment plant according to the treated water quality of the water treatment plant, but if the treated water quality is poor, it is discharged to another river. Even if the system is configured, the same effect is obtained. In this case, the system configuration is the same as in FIG. In addition, this Embodiment 69
The operation of is similar to that of the 68th embodiment.

Embodiment 70. In the above-mentioned Embodiment 58, an example has been shown in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water purification plant according to the control set value of the water purification plant.
Even if the system is configured to discharge the water to another river when the control set value reaches the limit, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the seventy-third embodiment is similar to that of the above-mentioned eighty-eighth embodiment.

Embodiment 71. In the above-mentioned Embodiment 59, an example is shown in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the treatment water quality of the sewage treatment plant. Even if the system is configured to discharge the water, the same effect can be obtained. In this case, the system configuration is as shown in FIG. 2d is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation is similar to that of the above-mentioned 59th embodiment.

Embodiment 72. In the above-mentioned Embodiment 61, an example is shown in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the water quality of the river measured by the information collection facility. Even if the system is configured to be discharged into the river, the same effect can be obtained. In this case, the system configuration is as shown in FIG. 2d is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. 42. Further, the operation of the 72nd embodiment is the same as that of the 6th embodiment.
The same as 1.

Embodiment 73. In the above-described Embodiment 62, an example has been shown in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the quality of the raw water taken at the water treatment plant and the treatment water quality of the sewage treatment plant. When the quality of treated water is worse than that of raw water, the same effect can be obtained by configuring the system so that the treated water is discharged to another river. In this case, the system configuration is as shown in FIG. 2d is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation of this embodiment 73 is similar to that of the above-mentioned embodiment 62.

Embodiment 74. In the above-mentioned Embodiment 63, an example is shown in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the water quality of the river measured at the information collection facility and the treated water quality of the sewage treatment plant. Even if the system is configured so that the water is discharged to another river when the water quality is lower than that of the river, the same effect can be obtained. In this case, the system configuration is as shown in FIG. 2d is a conduit for discharging the treated water of the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation of the seventy-fourth embodiment is similar to that of the thirty-sixth embodiment.

Embodiment 75. In the above-mentioned Embodiment 64, an example was shown in which the discharge position of the sewage treatment water was changed to the upstream or downstream of the water treatment plant according to the river flow rate at the water treatment plant's water intake point. The same effect can be achieved even if the system is configured so that it is discharged to another river. In this case, the system configuration is the same as in FIG.
The operation of the seventy-fifth embodiment is the same as that of the sixty-fourth embodiment.
Is the same as.

Embodiment 76. In the above-mentioned Embodiment 65, an example is shown in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the river flow rate measured at the information collection facility. Even if the system is configured to be discharged into the river, the same effect can be obtained. In this case, the system configuration is the same as in FIG.
The operation of this Embodiment 76 is the same as that of Embodiment 65 described above.
Is the same as.

Embodiment 77. In Embodiment 66, an example in which the pollutant concentration at the intake point of the water treatment plant is estimated from the treated water quality of the sewage treatment plant, and the discharge position of the sewage treatment water is changed to the upstream or downstream of the water treatment plant according to this However, when the estimated pollutant concentration is high, the same effect can be obtained even if the system is configured to discharge to other rivers. In this case, the system configuration is the same as in FIG.
The operation of this embodiment 77 is the same as that of the embodiment 66.
Is the same as.

Embodiment 78. In the 67th embodiment, the pollutant concentration at the intake point of the water treatment plant is estimated from the treated water quality of the sewage treatment plant and the water quality of the river measured by the information collection facility, and the discharge position of the sewage treatment water is determined accordingly. An example of changing upstream or downstream of the water treatment plant was shown, but if the estimated pollutant concentration is high, the same effect can be obtained even if the system is configured to discharge to other rivers. In this case, the system configuration is the same as in FIG. The operation of this embodiment 78 is similar to that of the embodiment 67.

Embodiment 79. 50 is a configuration diagram showing a water management system according to Embodiment 79 of the present invention. This Embodiment 79 has configured the system so as to adjust the amount of sewage treatment water returned to the upstream of the water purification plant according to the difference between the flow rate of the river at the intake point of the water purification plant and the predetermined target flow rate. It is a thing.

In FIG. 50, 1 is a river. 2 is a sewage treatment plant that discharges the treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated sewage water to the river 1. 6 is a pump for transporting a part of the treated water upstream. Reference numeral 2d is a pipe line for returning the treated sewage water to the upstream of the water purification plant and is connected to the pump 6. 3 is a water purification plant that takes water from the river 1. Reference numeral 3c is a conduit for introducing the water of the river 1 into the water purification plant 3. Reference numeral 4 is a controller for adjusting the reduction amount of the sewage treated water, and the pump 6 is connected via a signal line 6a.
And the water purification plant 3 through the signal line 3a. The controller 4 constitutes means for instructing the discharge amount of the second water treatment facility, and the signal lines 3a and 6a constitute means for obtaining information.

Next, the operation of this embodiment 79 will be described. The flow rate Q3in at the water intake point measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. The controller 4 returns the amount from the sewage treatment plant 2 to the upstream of the water purification plant 3 according to the deviation between the flow rate Q3in and the predetermined target value Q3in0.
Adjust Q2back. The calculation follows, for example, the following expression (79.1).

Q2back = k79 × (Q3in0-Q3in) (79.1) where k79: the output Q2back of the coefficient controller 4 is transmitted to the pump 6 via the signal line 6a.

As described above, the upstream reduction amount of the sewage-treated water can be adjusted so as to maintain the flow rate of the river 1 at the water intake point of the water purification plant 3, so that there is an effect that the supply amount of clean water can be kept stable.

Embodiment 80. In the above-mentioned Embodiment 79, an example was shown in which the amount of sewage treatment water returned to the upstream of the water purification plant was adjusted according to the difference between the flow rate of the river at the water intake point of the water purification plant and the predetermined target flow rate. The system can be configured to stop the upstream reduction of the sewage treatment water when the quality of the raw water in the plant is deteriorated. in this case,
The system configuration is the same as in FIG.

Next, the operation of this embodiment 80 will be described with reference to FIG. The concentration of pollutants in the raw water taken at the water purification plant 3 is controlled by the controller 4 via the signal line 3a.
Sent to. The controller 4 compares the measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the pump 6 to stop the upstream reduction of the sewage treatment water. This instruction signal is sent to the pump 6 via the signal line 6a.
Be transmitted to. Others are the same as those in the above-mentioned 79th embodiment.

As described above, in addition to the effects of the above-mentioned Embodiment 79, it is possible to prevent deterioration of the water quality of the raw water to be taken.

Embodiment 81. FIG. 51 shows the eighth embodiment.
It is a block diagram which shows the water management system which concerns on 1. In this Embodiment 81, the amount returned from the sewage treatment plant to the upstream of the water treatment plant is adjusted according to the difference between the flow rate of the river at the water intake point of the water treatment plant and a predetermined target flow rate. When the water quality is poor, the system is configured to stop the upstream return.

In FIG. 51, 2b is a signal line for sending the treated water quality measured at the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.

Next, the operation of this embodiment 81 will be described. The pollutant concentration in the sewage treatment water is sent to the controller 4 via the signal line 2b. In controller 4,
The measured value is compared with a predetermined upper limit value, and when the measured value exceeds the upper limit value, the pump 6 is instructed to stop the upstream reduction of the sewage treatment water. This instruction signal is transmitted to the pump 6 via the signal line 6a. Others are the same as those in the above-mentioned 79th embodiment.

As described above, in addition to the effects of the above-mentioned Embodiment 79, it is possible to prevent deterioration of the quality of the raw water to be taken in advance.

Embodiment 82. In the above-described Embodiment 80, an example of stopping the upstream reduction of the sewage treatment water when the water quality of the raw water in the water purification plant has deteriorated has been described, but when the operating conditions of the water purification plant reach the limit, for example, Even if the system is configured to stop the upstream reduction of the sewage-treated water when the amount of the coagulant added reaches the upper limit, the same effect can be obtained. The system configuration in this case is similar to that shown in FIG.

Embodiment 83. In the above-mentioned Embodiment 81, an example in which the upstream reduction of the sewage treatment water is stopped when the treated water quality of the sewage treatment plant has deteriorated has been shown, but when the operation set value of the sewage treatment plant reaches the limit, for example, Even if the system is configured so that the upstream reduction of the sewage treatment water is stopped when the aeration amount reaches the upper limit, the same effect can be obtained. The system configuration in this case is similar to that of FIG.

Embodiment 84. 52 is a configuration diagram showing a water management system according to an eighty-eighth embodiment of the present invention. The forty-eighth embodiment is configured so that the amount of sewage treatment water returned to the upstream of the water treatment plant is adjusted according to the difference between the flow rate of the river measured at the information collection facility and a predetermined target flow rate. It is a thing.

In FIG. 52, 1 is a river. 2 is a sewage treatment plant that discharges the treated water to the river 1. Reference numeral 2c is a conduit for discharging the treated sewage water to the river 1. 6 is a pump for transporting a part of the treated water upstream. Reference numeral 2d is a pipe line for returning the treated sewage water to the upstream of the water purification plant, and is connected to the pump 6. 3 is a water purification plant that takes water from the river 1. Reference numeral 3c is a conduit for introducing the water of the river 1 into the water purification plant 3.

Reference numeral 5 is an information collection facility for measuring the flow rate of the river 1 which is the water source of the water purification plant 3. Further, 4 is a controller for adjusting the amount of reduction of the sewage treated water, which is connected to the pump 6 via the signal line 6a and to the information collecting facility 5 via the signal line 5a, respectively.

Next, the operation of this embodiment 84 will be described. Flow rate Q1 of river 1 measured at information collection facility 5
Is sent to the controller 4 via the signal line 5a. The controller 4 adjusts the amount of water Q2back returned from the sewage treatment plant 2 to the upstream of the water purification plant 3 according to the deviation between the flow rate Q1 and a predetermined target value Q1 *. The calculation is performed by the following equation (84.
Follow 1).

Q2back = k84 × (Q1 * −Q1) (84.1) where k84: the output Q2back of the coefficient controller 4 is transmitted to the pump 6 via the signal line 6a.

As described above, since the upstream reduction amount of the sewage-treated water can be adjusted so as to maintain the flow rate of the river 1 which is the water source, there is an effect that the water supply amount can be stably maintained.

Embodiment 85. FIG. 53 is a configuration diagram showing a water management system according to an 85th embodiment of the present invention.
This Embodiment 85 adjusts the amount of sewage treatment water returned to the upstream of the water treatment plant according to the difference between the flow rate of the river measured by the information collection facility and a predetermined target flow rate, and at the same time, adjusts the water quality and sewage of the river. The system is configured to adjust the operating conditions of the sewage treatment plant according to the treated water quality of the treatment plant.

In FIG. 53, the sewage treatment plant 2 is the signal line 2
It is connected to the controller 4 via a and 2b. The other configuration is similar to that of FIG.

Next, the operation of this embodiment 85 will be described. The pollutant concentration C1 in the river water measured by the information collecting facility 5 is sent to the controller 4 via the signal line 3a. In addition, the pollutant concentration C3ou in the treated water of sewage treatment plant 3
t is sent to the controller 4 via the signal line 2b. The controller 4 adjusts the operating conditions of the sewage treatment plant 3, for example, the aeration amount Qair. The calculation is, for example, the following formula (85.1)
Follow

Qair = k85 × (C3out−C1) (85.1) k85: The output Qair of the coefficient controller 4 is transmitted to the sewage treatment plant 2 via the signal line 2a.

As described above, in addition to the effects of Embodiment 84, the quality of the treated water in the sewage treatment plant 2 that returns to the upstream of the water purification plant 3 can be favorably maintained.

Embodiment 86. In the above-mentioned Embodiment 84, an example was shown in which the amount of sewage treatment water returned to the upstream of a water purification plant was adjusted according to the difference between the flow rate of the river measured at the information collection facility and a predetermined target flow rate. The system may be configured to stop the upstream reduction of the sewage treatment water when the water quality of the sewage is deteriorated. In this case, the system configuration is the same as in FIG.

Next, the operation of this embodiment 86 will be described with reference to FIG. The pollutant concentration in the river water measured by the information collection facility 5 is sent to the controller 4 via the signal line 3a. The controller 4 compares the measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the pump 6 to stop the upstream reduction of the sewage treatment water. This instruction signal is transmitted to the pump 6 via the signal line 6a. Others are the same as those in the above-mentioned 84th embodiment.

As described above, in addition to the effects of the above-described Embodiment 84, it is possible to prevent deterioration of the water quality of the raw water to be taken.

Embodiment 87. 54 is a configuration diagram showing a water management system according to an 87th embodiment of the present invention.
In this Embodiment 87, the amount returned from the sewage treatment plant to the upstream of the water treatment plant is adjusted according to the difference between the flow rate of the river measured by the information collection facility and the predetermined target flow rate. When the water quality is poor, the system is configured to stop the upstream return.

In FIG. 54, 2b is a signal line for sending the treated water quality measured at the sewage treatment plant 2 to the controller 4. The other configuration is similar to that of FIG.

Next, the operation of this embodiment 87 will be described. The pollutant concentration in the sewage treatment water is sent to the controller 4 via the signal line 2b. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the pump 6 to stop the upstream reduction of the sewage treatment water. This instruction signal is signal line 6a.
Is transmitted to the pump 6 via. Others are the same as those in the above-mentioned 84th embodiment. As described above, Embodiment 84 described above
In addition to the above effect, it is possible to prevent deterioration of the quality of raw water to be taken.

Embodiment 88. In the above-described Embodiment 86, an example in which the upstream reduction of the sewage treatment water is stopped when the water quality of the river is deteriorated has been shown, but when the operating conditions of the water purification plant reach the limit, for example, the coagulant addition amount is Even if the system is configured to stop the upstream reduction of the treated sewage water when the upper limit is reached, the same effect can be obtained. The system configuration in this case is similar to that of FIG.

Embodiment 89. In the above-mentioned Embodiment 87, an example of stopping the upstream reduction of the sewage treatment water when the quality of the treated water in the sewage treatment plant is deteriorated is shown. However, when the operation set value of the sewage treatment plant reaches the limit, for example, Even if the system is configured so that the upstream reduction of the sewage treatment water is stopped when the aeration amount reaches the upper limit, the same effect can be obtained. The system configuration in this case is similar to that of FIG.

Embodiment 90. In the above-mentioned Embodiment 79, an example was shown in which the amount of sewage treatment water returned to the upstream of the water purification plant was adjusted according to the difference between the flow rate of the river at the intake point of the water purification plant and the predetermined target flow rate. The system can also be configured to adjust the reduction amount of the sewage treatment water according to the water quality of the raw water taken by the water purification plant. in this case,
The system configuration is the same as in FIG.

Next, regarding the operation of the present embodiment 90,
This will be described with reference to FIG. The pollutant concentration C3in in the raw water taken by the water purification plant 3 is transmitted to the controller 4 via the signal line 3a *. Controller 4 is pollutant concentration
According to the deviation between C3in and the target water quality C3in *, the amount Q2back of returning the sewage treatment water to the upstream of the water treatment plant 3 is adjusted. This calculation conforms to the following equation (90.1), for example.

Q2back = k90 (C3in−C3in *) (90.1) where k90: The output Q2back of the coefficient controller 4 is sent to the pump 6 via the signal line 6a.

As described above, the upstream reduction amount of the sewage treatment water can be adjusted according to the water quality of the raw water taken by the water purification plant 3, so that the water intake amount of the water purification plant 3 can be increased without deteriorating the water quality of the raw water. It has the effect of being able to.

Embodiment 91. FIG. 55 is a configuration diagram showing a water management system according to Embodiment 91 of the present invention.
Embodiment 91 is a system configured to adjust the upstream reduction amount of sewage treated water according to the quality of treated water at the sewage treatment plant.

In FIG. 55, 2b is a signal line for sending the treated water quality measured at the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.

Next, the operation of this Embodiment 91 will be described. Contaminant concentration C2out in sewage treatment water is signal line 2
It is sent to the controller 4 via b. Controller 4
Adjusts the amount Q2back of returning the treated sewage water to the upstream of the water purification plant 3 according to the pollutant concentration C2out. This calculation follows, for example, the following equation (91.1).

Q2back = k91 / C2out (91.1) where k91: the output Q2back of the coefficient controller 4 is sent to the pump 6 via the signal line 6a.

As described above, the amount of upstream reduction of the sewage treatment water can be adjusted according to the quality of the treated water of the sewage treatment plant 2, so that it is possible to increase the intake amount of the water purification plant 3 without deteriorating the quality of the raw water. Play.

Embodiment 92. In the present embodiment 92, the system is configured so as to adjust the upstream reduction amount of the sewage treatment water according to the water quality of the river measured by the information collection facility. The system configuration in this case is similar to that of FIG.

Next, regarding the operation of the present embodiment 92,
This will be described with reference to FIG. The pollutant concentration C1 in the river water measured by the information collection facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 adjusts the amount Q2back of returning the sewage treatment water to the upstream of the water purification plant 3 according to the deviation between the pollutant concentration C1 and the target water quality C1 *. This calculation follows, for example, the following expression (92.1).

Q2back = k92 (C1-C1 *) (92.1) where k92: the output Q2back of the coefficient controller 4 is sent to the pump 6 via the signal line 6a.

As described above, the upstream reduction amount of the sewage treatment water can be adjusted according to the water quality of the river 1 which is the water source, so that the intake amount of the water treatment plant 3 can be increased without deteriorating the quality of the raw water. Play.

Embodiment 93. 56 is a block diagram showing a water management system according to Embodiment 93 of the present invention. In this Embodiment 93, the system is configured so as to adjust the discharge of the sewage treatment water according to the river flow at the intake point of the water purification plant.

In FIG. 56, 1 and 10 are different rivers. 2 is a sewage treatment plant that discharges the treated water to the river 1 and the river 10. 2c is treated wastewater from river 1
2d is a conduit for discharging to the river 10. 6 is a pump for adjusting the amount discharged to 2c and the amount discharged to 2d.

Reference numeral 3 is a water purification plant for taking water from the river 1, and 30 is a water purification plant for taking water from the river 10. Reference numeral 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. 4 is river 1
And a controller for adjusting the amount of discharge to the river 2, and the water purification plant 3 and the signal line 30 via the signal line 3a.
Water purification plant 30 via a and pump 6 via signal line 6a
And are connected respectively.

Next, the operation of this embodiment 93 will be described. The flow rate Q3in at the water intake point measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. Similarly, the flow rate Q30in at the intake point measured at the water purification plant 30 is the signal line 3
It is sent to the controller 4 via 0a. The controller 4 compares the flow rate Q3in with a predetermined target flow rate Q3in *,
If the former is less than the latter, the sewage treatment plant 2 to the river 1
Set the quantity Q2-1 released into the air as follows.

Q2-1 = k931 × (Q3in * -Q3in) (93.1) Here, k931: coefficient Meanwhile, the controller 4 sets Q30in to a predetermined target flow rate Q3.
Also compare with 0in *, if the former is less than the latter,
The amount of water discharged from the sewage treatment plant 2 to the river 10 Q2-10 is set as follows.

Q2-10 = k932 × (Q30in * -Q30in) (93.2) Here, k932: When the coefficients Q3in and Q30in are both below the target flow rate, the discharge flow rate is set according to the difference between the two target flow rates. Distribute. The outputs of these controllers 4 are transmitted to the pump 6 via the signal line 6a.

As described above, the discharge rate of the sewage treatment water can be adjusted according to the river flow rate at the intake point of the water purification plant 3,
This has the effect of maintaining a stable supply of clean water.

Embodiment 94. This Embodiment 94 is a system configured to adjust the discharge rate of the sewage treatment water according to the water quality of the river at the intake point of the water purification plant. In this case, the system configuration is the same as in FIG.

[0307] Next, regarding the operation of the embodiment 94,
This will be described with reference to FIG. The flow rate Q3in at the water intake point measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. Similarly, the flow rate at the water intake point measured at the water purification plant 30
Q30in is sent to the controller 4 via the signal line 30a. The controller 4 compares the flow rate Q3in with a predetermined target flow rate Q3in *, and if the former is less than the latter, the quantity Q2-1 discharged from the sewage treatment plant 2 to the river 1 is calculated by the following equation (94.
Set according to 1).

Q2-1 = k941 × (C3in * -C3in) (94.1) where k941: Coefficient C3in *: Target value of the concentration of pollutants in the raw water taken by the water treatment plant 3 C3in: Water taken by the water treatment plant 3 The measured value C3in of the pollutant concentration in the raw water is calculated from the water purification plant 3 to the controller 4 via the signal line 3a.
Sent to.

On the other hand, the controller 4 also compares Q30in with a predetermined target flow rate Q30in *, and if the former is less than the latter, the quantity Q2-1 discharged from the sewage treatment plant 2 to the river 10 is calculated.
0 is set according to the following equation (94.2).

Q2-10 = k942 × (C30in * -C30in) (94.2) where k942: Coefficient C30in *: Target value of the concentration of pollutants in the raw water taken by the water purification plant 30 C30in: Water intake by the water purification plant 30 The measured value C30in of the pollutant concentration in the raw water is sent from the water purification plant 30 to the controller 4 via the signal line 30a.

When the measured values Q3in and Q30in of the pollutant concentration in the raw water taken in the water purification plants 3 and 30 are both less than the target flow rate, the discharge flow rate is distributed according to the difference between the target flow rates of both. The outputs of these controllers 4 are transmitted to the pump 6 via the signal line 6a. Due to the above, when the river flow rate at the intake point of the water treatment plant 3 is insufficient, the treated water of the sewage treatment plant 2 can be discharged while adjusting the flow rate according to the water quality of the river 1, thus stabilizing the supply of clean water. Can be maintained at the same time,
The water quality of the river 1, which is the water source, can be effectively maintained.

Embodiment 95. 57 is a block diagram showing a water management system according to Embodiment 95 of the present invention. In the 95th embodiment, the system is configured to adjust the discharge flow rate of the sewage treatment water according to the river flow rate measured at the information collecting facility.

In FIG. 57, reference numeral 5 denotes an information collecting facility for measuring the flow rate of the river 1, which is connected to the controller 4 via a signal line 5a. Similarly, 50 is an information collecting facility for measuring the flow rate of the river 10 and is a signal line 50a.
Is connected to the controller 4 via. Other configurations are the same as those in FIG.

Next, the operation of the 95th embodiment will be described. Flow rate Q1 of river 1 measured at information collection facility 5
Is sent to the controller 4 via the signal line 5a. Similarly, the flow rate Q10 of the river 10 measured by the information collection facility 50
Is sent to the controller 4 via the signal line 50a.
The controller 4 compares Q1 with a predetermined target flow rate Q1 *, and if the former is less than the latter, sets the amount Q2-1 discharged from the sewage treatment plant 2 to the river 1 as follows.

Q2-1 = k951 × (Q1 * -Q1) (95.1) where k951: coefficient Meanwhile, the controller 4 sets Q10 and the target flow rate Q10 * set in advance.
When the former is less than the latter, the amount Q2-10 discharged from the sewage treatment plant 2 to the river 10 is set as follows.

Q2-10 = k952 × (Q10 * -Q10) (95.2) where k952: When both the coefficients Q1 and Q10 are less than the target flow rate, the discharge rate is set according to the difference between the target flow rates of both. Distribute. The outputs of these controllers 4 are transmitted to the pump 6 via the signal line 6a.

As described above, the discharge amount of the sewage treatment water can be adjusted according to the flow amount of the river measured by the information collecting facility.
This has the effect of maintaining a stable supply of clean water.

Embodiment 96. In the 96th embodiment, the system is configured to adjust the discharge amount of the sewage treatment water according to the water quality of the river measured by the information collecting facility. In this case, the system configuration is the same as in FIG.

Next, regarding the operation of the embodiment 96,
This will be described with reference to FIG. The flow rate Q1 of the river 1 measured by the information collection facility 5 is sent to the controller 4 via the signal line 5a. Similarly, the flow rate Q10 of the river 10 measured by the information collecting facility 50 is sent to the controller 4 via the signal line 50a. The controller 4 compares Q1 with a predetermined target flow rate Q1 *, and if the former is less than the latter,
The quantity Q2-1 released from the sewage treatment plant 2 to the river 1 is set as follows.

Q2-1 = k961 × (C1 * -C1) (96.1) where k961: coefficient C1 *: target value of pollutant concentration in river 1 C1: pollutant concentration in river 1 C1 is a signal Information is transmitted from the information collection facility 5 to the controller 4 via the line 5a.

On the other hand, the controller 4 also compares the flow rate Q10 with a predetermined target flow rate Q10 *, and if the former is less than the latter, the amount of water discharged from the sewage treatment plant 2 to the river 10.
Set Q2-10 as follows.

Q2-10 = k962 × (C10 * -C10) (96.2) where k962: coefficient C10 *: target value of pollutant concentration in river 10 C10: pollutant concentration in river 10 C10 is a signal The information is transmitted from the information collecting facility 50 to the controller 4 via the line 50a.

If the flow rates Q1 and Q10 are less than the target flow rates Q1 * and Q10 *, the discharge flow rate is distributed according to the difference between the target flow rates. The outputs of these controllers 4 are signal lines 6a.
Is transmitted to the pump 6 via.

As described above, when the flow rate of the river 1 is insufficient, the discharge rate of the sewage treatment water can be adjusted according to the water quality of the river 1, so that the clean water supply amount can be stably maintained and the quality of the clean water can be improved. It has the effect of being able to maintain stability.

Embodiment 97. 58 is a block diagram showing a water management system according to the 97th embodiment of the present invention. In this Embodiment 97, when the amount of sewage that flows into a sewage treatment plant increases, a system is configured so that a part of the sewage that flows into another sewage treatment plant is accommodated.

In FIG. 58, 1 is a river. Two, two
0 is a sewage treatment plant that discharges the treated water to the river 1. 2c
Is a pipeline for discharging the treated water of the sewage treatment plant 2 to the river 1, and 20c is a pipeline for discharging the treated water of the sewage treatment plant 20 to the river 1. 2e is a pipeline for introducing sewage into the sewage treatment plant 2, and 20e is a pipeline for introducing sewage into the sewage treatment plant 20. Reference numeral 200c is a pipeline for accommodating sewage flowing in via the pipeline 2c or the pipeline 20c, and is connected to the pipeline 2c and the pipeline 20c.
6 is a pump attached to the conduit 200c. Reference numeral 4 denotes a controller for adjusting the interchange amount of sewage, which is connected to the pump 6 via the signal line 6a, the sewage treatment plant 2 via the signal line 2a, and the sewage treatment plant 200 via the signal line 20a. Has been done. The controller 4 constitutes means for instructing the amount of water interchange between the plurality of second water treatment facilities, and the signal lines 2a, 6a, 20a constitute means for obtaining information.

Next, the operation of the embodiment 97 will be described. The amount of sewage Q2in flowing into sewage treatment plant 2 is signal line 2
Amount of sewage Q20i flowing into the sewage treatment plant 20 via a
n is sent to the controller 4 via the signal line 20a.

When the sewage amount Q2in is larger than the predetermined upper limit value Q2in * and the sewage amount Q20in is smaller than the predetermined upper limit value Q20in *, the controller 4 transfers the sewage treatment facility 2 to the sewage treatment plant 20. The quantity Q2-20 is calculated, for example, by the following equation (97.
Calculate according to 1).

Q2-20 = Q2in−Q20in (97.1) Conversely, when the sewage amount Q20in is greater than the predetermined upper limit value Q20in * and the sewage amount Q2in is less than the predetermined upper limit value Q2in *, the controller 4 calculates the sewage interchange amount Q20-2 from the sewage treatment plant 20 to the sewage treatment plant 2 according to the following equation (97.2), for example.

Q20-2 = Q20in−Q2in (97.2) These values are transmitted from the controller 4 to the pump 6 via the signal line 6a. From the above, sewage treatment plants 2, 20
When the amount of sewage flowing into the sewage treatment plant increases, part of the sewage treatment plant can be accommodated in another sewage treatment plant, so that the quality of the treated water in the sewage treatment plants 2 and 20 can be favorably maintained.

Embodiment 98. 59 is a block diagram showing a water management system according to Embodiment 98 of the present invention. In the above-mentioned Embodiment 97, when the amount of sewage flowing into a sewage treatment plant increases, an example of accommodating a part of the sewage flowing into another sewage treatment plant has been shown. The system is configured so that water can be exchanged, and the same effect can be obtained in this case as well.

In FIG. 59, 200c is a sewage treatment plant 2.
Alternatively, it is a conduit for accommodating water that is being treated in the sewage treatment plant 20, and is connected to the sewage treatment plant 2 and the sewage treatment plant 20. 6 is a pump attached to the conduit 200c. Other configurations are similar to those of FIG. The operation of the ninth embodiment is also the same as that of the ninth embodiment.
Similar to 7.

Embodiment 99. In the above-mentioned Embodiment 97, when the amount of sewage flowing into a sewage treatment plant increases, an example is shown in which a part of the sewage flowing into another sewage treatment plant is accommodated.
The system can also be configured to accommodate a part of the inflow load when it deteriorates. In this case, the system configuration is the same as in FIG.

Next, regarding the operation of the present embodiment 99,
This will be described with reference to FIG. The signal line 2 indicates the amount of sewage Q2in flowing into the sewage treatment plant 2 and the concentration of pollutant C2in in the sewage.
Amount of sewage Q20i flowing into the sewage treatment plant 20 via a
n and the pollutant concentration C20in in the sewage are sent to the controller 4 via the signal line 20a.

When the inflow load Q2inC2in to the sewage treatment plant 2 is higher than a predetermined upper limit L2in * and the inflow load Q20inC20in to the sewage treatment plant 20 is lower than the predetermined upper limit L20in *, the controller 4 causes the sewage From treatment plant 2 to sewage treatment plant 2
The sewage interchange amount Q2-20 to 0 is calculated, for example, according to the following equation (99.1).

Q2-20 = (Q2inC2in-L2in0) / C2in (99.1) Conversely, the inflow load Q20inC20in to the sewage treatment plant 20 is higher than the predetermined upper limit L20in * and the inflow to the sewage treatment plant 2 When the load Q2inC2in is lower than the predetermined upper limit L2in *,
The controller 4 calculates the sewage interchange amount Q20-2 from the sewage treatment plant 20 to the sewage treatment plant 2 according to the following equation (99.2), for example.

Q20-2 = (Q20inC20in−L20in0) / C20in (99.2) These values are transmitted from the controller 4 to the pump 6 via the signal line 6a. From the above, sewage treatment plants 2, 20
When the amount of load flowing into one of the sewage treatment plants is increased, a part of the sewage treatment plant can be accommodated, so that the quality of the treated water in the sewage treatment plant can be favorably maintained.

Embodiment 100. In the above-mentioned Embodiment 99, when the inflow load to the sewage treatment plant is increased, an example is shown in which a part of the sewage that flows into another sewage treatment plant is accommodated, but the system is designed to accommodate the water in the treatment process. Even if configured, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Also, the operation of the present 100th embodiment is similar to that of the 99th embodiment.

Embodiment 101. In the above-mentioned Embodiment 97, when the amount of sewage flowing into a sewage treatment plant increases, an example is shown in which a part of the sewage flowing into another sewage treatment plant is accommodated.
When the quality of treated water in the sewage treatment plant deteriorates, the system can be configured to accommodate a part of the inflowing sewage.
In this case, the system configuration is the same as in FIG.

Next, the operation of this embodiment 101 will be described with reference to FIG. The pollutant concentration C2out in the treated water of the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2a, and the pollutant concentration C20out in the treated water of the sewage treatment plant 20 is transmitted to the controller 4 via the signal line 20a.

[0341] The pollutant concentration C2out is the upper limit value C2o set in advance.
When the pollutant concentration C20out is higher than ut * and the pollutant concentration C20out is lower than a predetermined upper limit value C20out *, the controller 4 calculates the sewage interchange amount Q2-20 from the sewage treatment plant 2 to the sewage treatment plant 20, for example, by the following equation (101 .1) is calculated.

Q2-20 = k1011 (C2out-C2out *) (101.1) Here, k1011: coefficient conversely, the pollutant concentration C20out is a predetermined upper limit value C20out *
Higher than, the pollutant concentration C2out is the upper limit value C2o
When it is lower than ut *, the controller 4 sets the sewage treatment plant 20
The sewage interchange amount Q20-2 from the sewage treatment plant 2 to the sewage treatment plant 2 is calculated, for example, according to the following equation (101.2).

Q20-2 = k1012 (C20out−C20out *) (101.2) where k1012: coefficient These values are transmitted from the controller 4 to the pump 6 via the signal line 6a. As described above, when the quality of the sewage-treated water deteriorates, a part of the sewage that flows into another sewage treatment plant can be accommodated, so that the quality of the sewage-treated water can be favorably maintained.

Embodiment 102. Embodiment 101
In the above, an example was shown in which part of the sewage that flows into another sewage treatment plant is accommodated if the quality of the sewage treated water deteriorates, but the same effect can be achieved if the system is configured to accommodate the water in the treatment process. Play. In this case, the system configuration is the same as in FIG. Further, the operation of this Embodiment 102 is the same as that of above-mentioned Embodiment 101.

Embodiment 103. In the above-described Embodiment 97, when the amount of sewage flowing into the sewage treatment plant increases, a part of the sewage flowing into another sewage treatment plant is accommodated, but the control set value of the sewage treatment plant is limited. It is also possible to configure the system so that a part of the inflowing sewage is accommodated when the aeration amount reaches the upper limit, for example, when the aeration amount reaches the upper limit. In this case, the system configuration is the same as in FIG.

Next, the operation of the present embodiment 103 will be described with reference to FIG. Aeration amount of sewage treatment plant 2
Q2air is transmitted to the controller 4 via the signal line 2a, and the aeration amount Q20air of the sewage treatment plant 20 is transmitted to the controller 4 via the signal line 20a.

When the aeration amount Q2air is higher than the predetermined upper limit value Q2air * and the aeration amount Q20air is lower than the predetermined upper limit value Q20air *, the controller 4 sends the sewage from the sewage treatment plant 2 to the sewage treatment plant 20. A signal is sent to the pump 6 to start the accommodation. Conversely, the aeration amount Q20air is a predetermined upper limit value Q2
It is higher than 0air * and the aeration amount Q2air is the upper limit value Q2ai
When lower than r *, the controller 4 signals the pump 6 to start accommodating sewage from the sewage treatment plant 20 to the sewage treatment plant 2. These signals are sent from the controller 4 to the pump 6 via the signal line 6a.

As described above, when the control set value of one of the sewage treatment plants 2 and 20 reaches the limit, a part of the sewage that flows into the other sewage treatment plant can be accommodated, so that the quality of the sewage treatment water can be improved. It has the effect of being able to maintain it.

Embodiment 104. Embodiment 103 above
Then, when the control set value of one sewage treatment plant has reached the limit, an example was shown in which part of the sewage that flows into another sewage treatment plant is accommodated, but the system is configured to accommodate the water in the treatment process. Even if it has the same effect. In this case, the system configuration is the same as in FIG. Further, the operation of the present embodiment 104 is similar to that of the above-mentioned embodiment 103.

Embodiment 105. FIG. 60 is a configuration diagram showing a water management system according to Embodiment 105 of the present invention. In Embodiment 105, when the water quality of the raw water in the water treatment plant located downstream of the sewage treatment plant deteriorates, a system is configured so that a part of the sewage that flows into another sewage treatment plant is accommodated.

In FIG. 60, 3 is a water purification plant located downstream of the sewage treatment plant 2, and 30 is a water purification plant located downstream of the sewage treatment plant 20. Reference numeral 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 1 into the water purification plant 30. Water purification plants 3 and 30 are signal lines 3a
Alternatively, it is connected to the controller 4 via 30a. Other configurations are similar to those of FIG.

Next, the operation of the embodiment 105 will be described. The pollutant concentration C3in in the raw water at the intake point measured at the water purification plant 3 is via the signal line 3a, and the pollutant concentration C30in in the raw water at the intake point measured at the water purification plant 30 is via the signal line 30a. It is transmitted to the controller 4.

[0353] The pollutant concentration C3in is the upper limit value C3in that is set in advance.
Higher than *, the pollutant concentration C30in is the upper limit value C3 which is set in advance
When it is lower than 0 in *, the controller 4 calculates the sewage interchange amount Q2-20 from the sewage treatment plant 2 to the sewage treatment plant 20, for example, according to the following equation (105.1).

Q2-20 = k1051 (C3in-C3in *) (105.1) Here, k1051: coefficient conversely, the pollutant concentration C30in is higher than a predetermined upper limit value C30in *, and the pollutant concentration C3in is predetermined. Upper limit value C3in *
When it is lower than the above, the controller 4 calculates the sewage interchange amount Q20-2 from the sewage treatment plant 20 to the sewage treatment plant 2 by, for example, the following equation (1)
Calculate according to 05.2).

Q20-2 = k1052 (C30in−C30in *) (105.2) where k1052: coefficient These values are transmitted from the controller 4 to the pump 6 via the signal line 6a. From the above, sewage treatment plants 2, 20
When the water quality of the raw water in the water treatment plant 3 or 30 downstream of one of the water treatment plants deteriorates, part of the sewage flowing into the other sewage treatment plant can be accommodated, so that the water quality of the raw water in the water treatment plant 3, 30 can be restored. Produce an effect.

Embodiment 106 FIG. 61 is a block diagram showing a water management system according to Embodiment 106 of the present invention. In the above-mentioned Embodiment 105, when the water quality of the raw water in the water treatment plant downstream of the sewage treatment plant is deteriorated, a part of the sewage flowing into another sewage treatment plant is accommodated. Is a system configured to accommodate water in the treatment process, and also in this case, the same effect can be obtained.

In FIG. 61, 200c is a conduit for accommodating water in the treatment process, which is connected to the sewage treatment plants 2 and 20. Other configurations are the same as those in FIG. Further, the operation of this Embodiment 106 is the same as that of Embodiment 105 above.
Is the same as.

Embodiment 107. Embodiment 105
In the example, when the quality of raw water at the water treatment plant downstream of the sewage treatment plant deteriorates, a part of the sewage that flows into another sewage treatment plant is exchanged, but when the quality of the treated water at the water treatment plant deteriorates. ,
The system can also be configured to accommodate incoming sewage. In this case, the system configuration is the same as in FIG.

Next, the operation of the present embodiment 107 will be described with reference to FIG. The pollutant concentration C3out in the treated water of the water purification plant 3 is transmitted to the controller 4 via the signal line 3a, and the pollutant concentration C30out in the treatment water of the water purification plant 30 is transmitted to the controller 4 via the signal line 30a.

[0360] The pollutant concentration C3out is an upper limit value C3o set in advance.
When the pollutant concentration C30out is higher than ut0 and the pollutant concentration C30out is lower than a predetermined upper limit value C30out *, the controller 4 sets the sewage interchange amount Q2-20 from the sewage treatment plant 2 to the sewage treatment plant 20, for example, by the following equation (107. Calculate according to 1).

Q2-20 = k1071 (C3out-C3out *) (107.1) Here, k1071: coefficient inversely, the pollutant concentration C30out is a predetermined upper limit value C30out *
Higher than, the pollutant concentration C3out is the upper limit value C3o
When it is lower than ut *, the controller 4 sets the sewage treatment plant 20
The sewage interchange amount Q20-2 from the sewage treatment plant 2 to the sewage treatment plant 2 is calculated according to the following equation (107.2), for example.

Q20-2 = k1072 (C30out−C30out *) (107.2) where k1072: coefficient These values are transmitted from the controller 4 to the pump 6 via the signal line 6a. From the above, sewage treatment plants 2, 20
When the quality of the treated water in the water treatment plant 3 or 30 located downstream of one of the water treatment plants deteriorates, a part of the sewage flowing into the other water treatment plant can be exchanged, so that the quality of the treated water in the water treatment plant 3, 30 can be recovered. .

Embodiment 108. Embodiment 107
Then, when the quality of treated water at the water treatment plant downstream of the sewage treatment plant deteriorates, an example was shown in which part of the sewage that flows into another sewage treatment plant is accommodated, but a system was designed to accommodate the water in the treatment process. Even if configured, the same effect can be obtained. In this case, the system configuration is as shown in FIG. The operation of this embodiment 108 is similar to that of the above-mentioned embodiment 107.

Embodiment 109. Embodiment 105
In the example, when the quality of raw water in the water treatment plant downstream of the sewage treatment plant deteriorates, a part of the sewage that flows into another sewage treatment plant is exchanged, but the control set value of the water treatment plant reaches the limit. At this time, for example, when the coagulant addition amount reaches the upper limit and the quality of the treated water deteriorates, the system may be configured to accommodate the inflowing sewage. In this case, the system configuration is shown in FIG.
Is the same as.

Next, the operation of this embodiment 109 will be described with reference to FIG. The coagulant addition amount Qg3 of the water purification plant 3 is transmitted to the controller 4 via the signal line 2a, and the coagulant addition amount Qg30 of the water purification plant 30 is transmitted to the controller 4 via the signal line 20a.

The coagulant addition amount Qg3 is a predetermined upper limit value Qg3 *
Higher than the above, the coagulant addition amount Qg30 is a predetermined upper limit value Qg30
When it is lower than *, the controller 4 signals the pump 6 to start the interchange of sewage from the sewage treatment plant 2 to the sewage treatment plant 20. Conversely, when the coagulant addition amount Qg30 is higher than the predetermined upper limit value Qg30 * and the coagulant addition amount Qg3 is lower than the predetermined upper limit value Qg3 *, the controller 4 moves from the sewage treatment plant 20 to the sewage treatment plant 2 Signals pump 6 to begin accommodating sewage to. These signals are sent from the controller 4 to the pump 6 via the signal line 6a.

As described above, when the control set values of the water purification plants 3 and 30 reach the limit, a part of the inflowing sewage can be exchanged with another sewage treatment plant 20 or 2, so that the water purification plants 3 and 30 can be exchanged.
The effect that the quality of treated water can be recovered.

Embodiment 110. Embodiment 109
Then, when the control set value of the water treatment plant downstream of the sewage treatment plant reached the limit, an example was shown in which part of the sewage that flows into another sewage treatment plant is accommodated. Even if the system is configured, the same effect is obtained. In this case, the system configuration is as shown in FIG. Further, the operation of this Embodiment 110 is similar to that of above-mentioned Embodiment 109.

Embodiment 111. FIG. 62 is a configuration diagram showing a water management system according to Embodiment 111 of the present invention. In this Embodiment 111, when the water quality of the river measured by the information collection facility deteriorates, a system is configured so as to accommodate a part of the sewage that flows into another sewage treatment plant.

In FIG. 62, 5 is an information collection facility for measuring the water quality downstream of the sewage treatment plant 2, and 50 is the sewage treatment plant 20.
It is an information collection facility that measures the water quality in the downstream. The information collecting facilities 5 and 50 are connected to the controller 4 via a signal line 5a or 50a. Other configurations are the same as those in FIG.

Next, the operation of this embodiment 111 will be described. The pollutant concentration C6 in the river water measured by the information collecting facility 5 is transmitted through the signal line 5a and the information collecting facility 5
The pollutant concentration C60 in river water measured at 0 is signal line 5
It is transmitted to the controller 4 via 0a.

When the pollutant concentration C6 is higher than the predetermined upper limit value C6 * and the pollutant concentration C60 is lower than the predetermined upper limit value C60 *, the controller 4 moves from the sewage treatment plant 2 to the sewage treatment plant 20. The sewage interchange rate Q2-20 is calculated, for example, by the following equation (11
Calculate according to 1.1).

Q2-20 = k1111 (C6-C6 *) (111.1) Here, k1111: coefficient conversely, the pollutant concentration C60 is higher than a predetermined upper limit value C60 *, and the pollutant concentration C6 is predetermined. When it is lower than the upper limit value C6 *, the controller 4 determines the sewage interchange amount Q20-2 from the sewage treatment plant 20 to the sewage treatment plant 2 by, for example, the following equation (111.
Calculate according to 2).

Q20-2 = k1112 (C60−C60 *) (111.2) where k1112: coefficient These values are transmitted from the controller 4 to the pump 6 via the signal lines 5a and 50a.

As described above, when the water quality of the river downstream of one of the sewage treatment plants 2 and 20 deteriorates, a part of the sewage flowing into the other sewage treatment plant can be accommodated, so that the water quality of the river can be restored. .

Embodiment 112. 63 is a configuration diagram showing a water management system according to Embodiment 112 of the present invention. In the above-mentioned Embodiment 111, when the river water quality downstream of the sewage treatment plant deteriorates, an example is shown in which part of the sewage that flows into another sewage treatment plant is accommodated.
Is a system configured to accommodate water in the treatment process, and also in this case, the same effect can be obtained.

In FIG. 63, reference numeral 200c is a pipe for accommodating water in the treatment process, which is connected to the sewage treatment plant 2 and 20.
Connected with. Other configurations are the same as those in FIG. The operation of this Embodiment 112 is the same as that of Embodiment 111 above.

Embodiment 113. 64 is a configuration diagram showing a water management system according to Embodiment 113 of the present invention. In the above-described Embodiment 97, when the amount of sewage flowing into the sewage treatment plant increases, a part of the sewage flowing into another sewage treatment plant of the same river is accommodated. Is a system configured to be compatible with a sewage treatment plant associated with another river, and in this case, the same effect can be obtained.

That is, the present embodiment 113 is shown in FIG.
58, the sewage treated by the sewage treatment plant 20 is the same as that of the 97th embodiment shown in FIG. 58 except that the sewage is discharged to another river 10. .

Embodiment 114. FIG. 65 is a configuration diagram showing a water management system according to Embodiment 114 of the present invention. In the above-described Embodiment 98, when the amount of sewage flowing into the sewage treatment plant increases, an example is shown in which part of the water in the treatment process is diverted to another sewage treatment plant related to the same river. The form 114 has a system configured to be adapted to a sewage treatment plant related to another river, and also in this case, the same effect can be obtained.

That is, the present embodiment 114 is shown in FIG.
59, the configuration and operation are the same as those of the above-described Embodiment 98 shown in FIG. 59, except that the sewage treated by the sewage treatment plant 20 is discharged to another river 10. .

Embodiment 115. In the above-mentioned Embodiment 99, when the inflow load to the sewage treatment plant is increased, an example is shown in which a part of the sewage is diverted to another sewage treatment plant of the same river, but the sewage treatment of another river. Even if the system is configured to be flexible to the field, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of this Embodiment 115 is the same as that of above-mentioned Embodiment 99.

Embodiment 116. Embodiment 100 described above
Then, when the inflow load to the sewage treatment plant increased, an example was shown in which part of the water in the treatment process was transferred to another sewage treatment plant in the same river. Even if the system is configured to be flexible, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Also,
The operation of this Embodiment 116 is the same as that of above-mentioned Embodiment 100.

Embodiment 117. Embodiment 101
In the above, when the quality of treated water at a sewage treatment plant deteriorates, an example is shown in which part of the sewage is diverted to another sewage treatment plant of the same river. Even if the system is configured, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Further, the operation of this Embodiment 117 is similar to that of Embodiment 101 above.

Embodiment 118. Embodiment 102
In the example, when the quality of treated water in a sewage treatment plant deteriorates, a part of the water in the treatment process is diverted to another sewage treatment plant in the same river. Even if the system is configured so as to achieve the same effect. In this case, the system configuration is the same as in FIG. The operation of this Embodiment 118 is similar to that of Embodiment 102 above.

Embodiment 119. Embodiment 103 above
In the example, when the control set value of a sewage treatment plant reaches the limit, an example is shown in which part of the sewage is diverted to another sewage treatment plant of the same river, but it is diversified to another sewage treatment plant of another river. Even if the system is configured so as to achieve the same effect. In this case, the system configuration is the same as in FIG. The operation of this Embodiment 119 is the same as that of above-mentioned Embodiment 103.

Embodiment 120. Embodiment 104 above
In the above, when the control set value of a sewage treatment plant reaches a limit, an example is shown in which part of the water in the treatment process is transferred to another sewage treatment plant of the same river. Even if the system is configured to be flexible to the field, the same effect can be obtained. In this case, the system configuration is the same as in FIG.
Further, the operation of this Embodiment 120 is the same as that of Embodiment 10 above.
The same as 4.

Embodiment 121. 66 is a configuration diagram showing a water management system according to Embodiment 121 of the present invention. In the above-mentioned Embodiment 105, when the water quality of the raw water of the water treatment plant located downstream of the sewage treatment plant is deteriorated, an example is shown in which a part of the sewage is exchanged with another sewage treatment plant of the same river. This Embodiment 121 has a system configured to be adapted to a sewage treatment plant related to another river, and also in this case, the same effect can be obtained.

That is, the embodiment 121 is shown in FIG.
As shown in, the sewage treated by the sewage treatment plant 20 is discharged to the other river 10, and the water purification plant 30 becomes the river 1.
The configuration and operation are the same as those of the above-described Embodiment 105 shown in FIG. 60, except that the configuration is such that water is taken from 0.

Embodiment 122. 67 is a block diagram showing a water management system according to Embodiment 122 of the present invention. In the above-mentioned Embodiment 106, when the water quality of the raw water of the water treatment plant located downstream of the sewage treatment plant deteriorates, an example of accommodating a part of the water in the treatment process to another sewage treatment plant of the same river is shown. However, the present Embodiment 122 has a system configured to be adapted to a sewage treatment plant related to another river, and also in this case, the same effect can be obtained.

That is, the present embodiment 122 is similar to FIG.
As shown in, the sewage treated by the sewage treatment plant 20 is discharged to the other river 10, and the water purification plant 30 becomes the river 1.
The configuration and operation are the same as those of the above-described Embodiment 106 shown in FIG. 61, except that the configuration is such that water is taken from 0.

Embodiment 123. Embodiment 107
Then, when the quality of the raw water in the water treatment plant located downstream of the sewage treatment plant deteriorates, an example was shown in which a part of the sewage is exchanged with another sewage treatment plant in the same river, but in another river. Even if the system is configured so as to be compatible with the sewage treatment plant, the same effect can be obtained. In this case, the system configuration is the same as in FIG. 66. Further, the operation of this Embodiment 123 is the same as that of above-mentioned Embodiment 107.

Embodiment 124. 68 is a block diagram showing a water management system according to Embodiment 124 of the present invention. The present embodiment 124 constitutes a system for determining the interchange amount between the sewage treatment plants so that the total treatment cost becomes the lowest for the plurality of sewage treatment plants capable of sewage interchange.

In FIG. 68, 1 is a river. Two, two
0 is a sewage treatment plant that discharges the treated water to the river 1. 2c
Is a conduit for discharge from sewage treatment plant 2 to river 1, 20
c is a conduit for discharging the sewage treatment plant 20 to the river 1. 2e is a pipeline for introducing sewage into the sewage treatment plant 2, and 20e is a pipeline for introducing sewage into the sewage treatment plant 20. Reference numeral 200e is a conduit for accommodating sewage, which is connected to the conduits 2e and 20a. 6 is pipe 200
It is a pump attached to e. Reference numeral 4 is a controller for determining the amount of sewage interchange, and the sewage treatment plant 2 via the signal line 2a and the sewage treatment plant 20 via the signal line 20a.
And the pump 6 via the signal line 6a.

Next, the operation of the embodiment 124 will be described. First, the controller 4 calculates the treatment cost Co2 required to treat the sewage Q2in to a certain target water quality in the sewage treatment plant 2. The quality of inflowing sewage required for this calculation is sent from the sewage treatment plant 2 to the controller 4 via the signal line 2a. Similarly, in the sewage treatment plant 20, a treatment cost Co20 required to treat the sewage Q20in to a certain target water quality is calculated. The quality of the inflowing sewage required for this calculation is sent from the sewage treatment plant 20 to the controller 4 via the signal line 20a. Here, it is assumed that Q2in + Q20in is equal to the sum of the amount of sewage actually flowing into each sewage treatment plant 2, 20.

By repeating this operation, Co2 + C
Find the combination of Q2in and Q20in that minimizes o20.
When Q2in or Q20in exceeds the actual sewage inflow amount, the excess amount is accommodated to the other via the pipe 200c. The interchange amount is sent from the controller 4 to the pump 6 via the signal line 6a.

As described above, there is an effect that the quality of the sewage-treated water can be maintained good while suppressing the treatment cost.

Embodiment 125. 69 is a configuration diagram showing a water management system according to Embodiment 125 of the present invention. In the above-mentioned Embodiment 124, an example of accommodating sewage has been shown, but Embodiment 125 is one in which the system is configured to accommodate water in the treatment process, and even in this case, an equivalent effect is obtained. Play. The system configuration in this case is as shown in FIG. The operation of this embodiment 125 is similar to that of the above-mentioned embodiment 124.

Embodiment 126. 70 is a block diagram showing a water management system according to Embodiment 126 of the present invention. In the above-mentioned Embodiment 124, an example of accommodating sewage was shown, but this Embodiment 125 has a system configured to accommodate sewage-treated water, and in this case also has the same effect. . In this case, the system configuration is as shown in FIG. The operation of this embodiment 126 is similar to that of the above-mentioned embodiment 124.

Embodiment 127. In the above-mentioned Embodiments 1 to 126, the case where the water source is a river has been described.
Similar systems can be configured for other water sources, such as lakes. Also in this case, of course, the same effects as those of the above-described first to 126th embodiments are achieved.

Embodiment 128. It is also possible to replace the sewage treatment plant with another wastewater treatment plant and the water purification plant with another water production plant to configure the system.

Further, in each of the above-mentioned embodiments, the time continuous analog type is used. However, even if the time discontinuous analog type (sample value type) or digital type is used, it is equivalent to each of the above embodiments. Produce an effect.

Furthermore, in each of the above-mentioned embodiments, the control circuit configuration is shown, but even if this is programmed and implemented in a computer, the same effect as that of each of the above-described embodiments is obtained.

Further, in each of the above-mentioned embodiments, the control circuit is constructed as a closed loop, but it may be constructed as a driving support system for showing the control target value to the operator.

[0405]

As described above, according to the present invention, the water management system is provided with information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or the catchment area of the water sources. Supply from the second water treatment facility such as a water purification plant by comprising means for obtaining and means for instructing the operation method of the second water treatment facility for taking water from the water source or catchment area according to the above information The effect that the quality of water such as tap water can be kept good and stable is achieved.

[0406] Further, the water management system is provided with means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or catchment areas of the water sources,
According to the above-mentioned information, the water such as tap water supplied from the second water treatment facility such as a water purification plant is configured by means for instructing the water intake position of the second water treatment facility that takes in water from the water source or catchment area. The effect of being able to maintain good and stable water quality and quantity is obtained.

[0407] Furthermore, the water management system is provided with means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or catchment areas of the water sources, and, in accordance with the above information, Good quality and quantity of water such as tap water supplied from the second water treatment facility such as a water purification plant by comprising means for instructing the amount of water intake of the second water treatment facility that takes water from the water source or catchment area. In addition, it has an effect that it can be kept stable.

Furthermore, the water management system is provided with means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or the catchment area of the water source, and, depending on the above information, , Means for instructing the amount of water interchange between the plurality of second water treatment facilities that take in water from the water source or catchment area, and thereby the water such as tap water supplied from the second water treatment facility such as a water treatment plant The effect that the water quality and quantity can be kept good and stable is achieved.

[0409] Further, the water management system is provided with means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or catchment areas of the water sources,
According to the above-mentioned information, it is possible to maintain the water quality of the water source in a good and stable manner by comprising the means for instructing the operation method of the second water treatment facility that discharges the water to the water source or the catchment area.

Further, the water management system is provided with means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or catchment areas of the water sources, and, in accordance with the above information, The water quality and quantity of tap water supplied from the second water treatment facility such as a water purification plant is good and stable by comprising the means for instructing the discharge position of the second water treatment facility discharging into the above water source or catchment area. There is an effect that can be kept in.

Furthermore, a water management system is provided with means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or catchment areas of the water sources, and in accordance with the above information. The water quality of the water source can be kept good and stable by comprising the above-mentioned means for instructing the discharge amount of the second water treatment facility to be discharged to the water source or the catchment area.

[0412] Further, the water management system is provided with a means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or catchment areas of the water sources,
The effect that the water quality of the water source can be kept good and stable by comprising the means for instructing the water interchange amount between the plurality of second water treatment facilities discharged to the water source or the catchment area according to the above information Play.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a water management system according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram showing a water management system according to a second embodiment of the present invention.

FIG. 3 is a configuration diagram showing a water management system according to a third embodiment of the present invention.

FIG. 4 is a configuration diagram showing a water management system according to a fourth embodiment of the present invention.

FIG. 5 is a configuration diagram showing a water management system according to a fifth embodiment of the present invention.

FIG. 6 is a configuration diagram showing a water management system according to a ninth embodiment of the present invention.

FIG. 7 is a configuration diagram showing a water management system according to a tenth embodiment of the present invention.

FIG. 8 is a configuration diagram showing a water management system according to a twelfth embodiment of the present invention.

FIG. 9 is a configuration diagram showing a water management system according to a thirteenth embodiment of the present invention.

FIG. 10 is a configuration diagram showing a water management system according to a sixteenth embodiment of the present invention.

FIG. 11 is a configuration diagram showing a water management system according to a seventeenth embodiment of the present invention.

FIG. 12 is a configuration diagram showing a water management system according to a nineteenth embodiment of the present invention.

FIG. 13 is a configuration diagram showing a water management system according to a twentieth embodiment of the present invention.

FIG. 14 is a configuration diagram showing a water management system according to a twenty-second embodiment of the present invention.

FIG. 15 is a configuration diagram showing a water management system according to a twenty-third embodiment of the present invention.

FIG. 16 is a configuration diagram showing a water management system according to a twenty sixth embodiment of the present invention.

FIG. 17 is a configuration diagram showing a water management system according to a twenty-seventh embodiment of the present invention.

FIG. 18 is a configuration diagram showing a water management system according to an embodiment 28 of the present invention.

FIG. 19 is a configuration diagram showing a water management system according to a twenty-ninth embodiment of the present invention.

FIG. 20 is a configuration diagram showing a water management system according to a thirty-first embodiment of the present invention.

FIG. 21 is a configuration diagram showing a water management system according to a thirty-second embodiment of the present invention.

FIG. 22 is a configuration diagram showing a water management system according to a thirty-third embodiment of the present invention.

FIG. 23 is a configuration diagram showing a water management system according to a thirty-fourth embodiment of the present invention.

FIG. 24 is a configuration diagram showing a water management system according to a thirty-fifth embodiment of the present invention.

FIG. 25 is a configuration diagram showing a water management system according to a thirty-sixth embodiment of the present invention.

FIG. 26 is a configuration diagram showing a water management system according to an embodiment 37 of the present invention.

FIG. 27 is a configuration diagram showing a water management system according to an embodiment 38 of the present invention.

FIG. 28 is a configuration diagram showing a water management system according to a thirty-ninth embodiment of the present invention.

FIG. 29 is a configuration diagram showing a water management system according to a fortieth embodiment of the present invention.

FIG. 30 is a configuration diagram showing a water management system according to an forty-first embodiment of the present invention.

FIG. 31 is a configuration diagram showing a water management system according to an embodiment 42 of the present invention.

FIG. 32 is a configuration diagram showing a water management system according to a forty-third embodiment of the present invention.

FIG. 33 is a configuration diagram showing a water management system according to a forty-fourth embodiment of the present invention.

FIG. 34 is a configuration diagram showing a water management system according to a forty-fifth embodiment of the present invention.

FIG. 35 is a configuration diagram showing a water management system according to a forty-seventh embodiment of the present invention.

FIG. 36 is a configuration diagram showing a water management system according to an embodiment 48 of the present invention.

FIG. 37 is a configuration diagram showing a water management system according to a 53rd embodiment of the present invention.

FIG. 38 is a configuration diagram showing a water management system according to an embodiment 54 of the present invention.

FIG. 39 is a configuration diagram showing a water management system according to an embodiment 55 of the present invention.

FIG. 40 is a configuration diagram showing a water management system according to a 56th embodiment of the present invention.

FIG. 41 is a configuration diagram showing a water management system according to a 59th embodiment of the present invention.

FIG. 42 is a configuration diagram showing a water management system according to an embodiment 61 of the present invention.

FIG. 43 is a configuration diagram showing a water management system according to an embodiment 62 of the present invention.

FIG. 44 is a configuration diagram showing a water management system according to a 63rd embodiment of the present invention.

FIG. 45 is a configuration diagram showing a water management system according to an 68th embodiment of the present invention.

FIG. 46 is a configuration diagram showing a water management system according to an embodiment 71 of the present invention.

FIG. 47 is a configuration diagram showing a water management system according to an embodiment 73 of the present invention.

FIG. 48 is a configuration diagram showing a water management system according to an embodiment 74 of the present invention.

FIG. 49 is a configuration diagram showing a water management system according to an embodiment 75 of the present invention.

FIG. 50 is a configuration diagram showing a water management system according to an 80th embodiment of the present invention.

FIG. 51 is a configuration diagram showing a water management system according to an 82nd embodiment of the present invention.

52 is a configuration diagram showing a water management system according to an 85th embodiment of the present invention. FIG.

FIG. 53 is a configuration diagram showing a water management system according to an 86th embodiment of the present invention.

FIG. 54 is a configuration diagram showing a water management system according to an 88th embodiment of the present invention.

FIG. 55 is a configuration diagram showing a water management system according to an embodiment 92 of the present invention.

FIG. 56 is a configuration diagram showing a water management system according to an 94th embodiment of the present invention.

FIG. 57 is a configuration diagram showing a water management system according to a 96th embodiment of the present invention.

FIG. 58 is a configuration diagram showing a water management system according to an 98th embodiment of the present invention.

FIG. 59 is a configuration diagram showing a water management system according to a 99th embodiment of the present invention.

FIG. 60 is a configuration diagram showing a water management system according to an embodiment 106 of the present invention.

FIG. 61 is a configuration diagram showing a water management system according to an embodiment 107 of the present invention.

FIG. 62 is a configuration diagram showing a water management system according to an embodiment 112 of the present invention.

FIG. 63 is a configuration diagram showing a water management system according to an embodiment 113 of the present invention.

FIG. 64 is a configuration diagram showing a water management system according to an embodiment 114 of the present invention.

FIG. 65 is a configuration diagram showing a water management system according to an embodiment 115 of the present invention.

FIG. 66 is a configuration diagram showing a water management system according to an embodiment 122 of the present invention.

FIG. 67 is a configuration diagram showing a water management system according to an embodiment 123 of the present invention.

FIG. 68 is a configuration diagram showing a water management system according to an embodiment 125 of the present invention.

FIG. 69 is a configuration diagram showing a water management system according to an embodiment 126 of the present invention.

FIG. 70 is a configuration diagram showing a water management system according to an embodiment 127 of the present invention.

[Explanation of symbols]

1 river, 2 sewage treatment plant, 3 water purification plant, 4 controller, 5 information collection facility, 6 pumps, 8 advanced treatment facility, 10 rivers, 20 sewage treatment plant, 30 water purification plant, 5
0 information collection facilities, 61, 62, 63 pumps, 2a,
3a, 5a, 6a, 20a, 30a, 50a Signal lines.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Satoshi Ueyama             2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo             Inside Ryo Electric Co., Ltd. (72) Inventor Yoshio Hanari             2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo             Inside Ryo Electric Co., Ltd.

Claims (88)

[Claims] 1. A means for obtaining information from at least one of a first water treatment facility and an information collection facility relating to one or more water sources or a water catchment area of the water source, and the water source or water catchment area according to the information. And a means for instructing an operation method of the second water treatment facility for taking in water from the water management system. 2. A means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to one or more water sources or water catchment areas, and the water source or water catchment area according to the information. Means for instructing the water intake position of the second water treatment facility that takes in water from the water management system. 3. The water management system according to claim 2, wherein the water quality of the water source is measured by a plurality of the information collecting facilities, and the water intake position is adjusted according to the measured value. 4. The water quality at the water intake point related to a plurality of water sources is estimated from the water quality of the treated water that is treated at the plurality of first water treatment facilities and discharged to the water sources or the operating conditions of the first water treatment facility. The water management system according to claim 2, wherein the water intake position is adjusted according to the estimated value. 5. The water management system according to claim 4, wherein the water quality of the water source measured by a plurality of information collecting facilities is also used for the calculation of the water quality of the intake points related to the plurality of water sources. 6. A means for obtaining information from at least one of the first water treatment facility and the information collection facility relating to the one or more water sources or the catchment areas of the water sources, and the water source or catchment areas according to the information. A water management system comprising means for instructing the amount of water taken from the second water treatment facility to be taken from. 7. The water management system according to claim 6, wherein the water quality of the water source is estimated from the water quality of the first water treatment facility or operating conditions, and the water intake is adjusted according to the estimated value. 8. The water management system according to claim 6, wherein the water quality of the water source is measured by the information collecting facility, and the water intake is adjusted according to the measured value. 9. The water management system according to claim 7, wherein the water quality of the water source measured by the information collecting facility is also used in the calculation of the water quality of the water source. 10. The water quality at each intake point of the second water treatment facility is estimated from the treated water quality of the first water treatment facility or operating conditions, and the intake amount from each intake point is adjusted according to the estimated value. The water management system according to claim 6, wherein: 11. The water management system according to claim 6, wherein the water quality at each intake point of the second water treatment facility is measured, and the amount of intake water from each intake point is adjusted according to the measured value. 12. The water management system according to claim 10, wherein the water quality of the water source measured at the information collecting facility is also used in the calculation of the water quality estimation at each intake point of the second water treatment facility. 13. The water management system according to claim 6, wherein the water intake amount of each of the second water treatment facilities is distributed so that the cost of water treatment at the plurality of second water treatment facilities becomes the lowest. system. 14. The water quality of the water source measured by the information collecting facility or the water quality of raw water measured by the second water treatment facility is used for calculating the treatment cost in the second water treatment facility. The water management system according to claim 13. 15. The treated water quality or operating condition of the first water treatment facility located upstream of the second water treatment facility is used for calculating the treatment cost in the second water treatment facility. 13. The water management system described in 13. 16. At least one of a first water treatment facility and an information collection facility relating to one or more water sources or a catchment area of the water sources
Water, and means for instructing the amount of water interchange between a plurality of second water treatment facilities that take water from the water source or catchment area according to the information. Management system. 17. The method according to claim 17, wherein the flow rate or water quality of the water source of the second water treatment facility is measured, and when the measured flow rate or water quality falls below a predetermined value, raw water is accommodated from another water source. The water management system according to claim 16. 18. The flow rate or water quality of a water source of the second water treatment facility is measured, and when the measured flow rate or water quality falls below a predetermined value, the water being treated at another of the second water treatment facilities. 17. The water management system according to claim 16, wherein the treated water is interchanged. 19. The water quality of the water source is estimated from the treated water quality of the first water treatment facility, and when the estimated water quality deteriorates below a predetermined standard, raw water is exchanged from another water source. Item 16. The water management system according to item 16. 20. For a plurality of the second water treatment facilities capable of accommodating raw water, the intake amount of each of the second water treatment facilities and the inflow water or the treatment process so that the total treatment cost becomes the lowest. The water management system according to claim 6 or 16, wherein the water interchange amount of the water or treated water is determined. 21. The water management system according to claim 20, wherein the water quality of the raw water measured at the second water treatment facility is used for calculating the treatment cost at the second water treatment facility. 22. The water according to claim 20, wherein the treated water quality of the first water treatment facility upstream of the second water treatment facility is used for calculating the treatment cost in the second water treatment facility. Management system. 23. At least one of a first water treatment facility and an information collection facility relating to one or more water sources or catchment areas of water sources
And a means for instructing the operation method of the second water treatment facility that discharges the water to the water source or catchment area according to the above information. 24. The operating condition of the first water treatment facility is adjusted according to a difference between the quality of the raw water taken by the second water treatment facility and a predetermined target water quality of the raw water. Item 23. The water management system according to Item 23. 25. The treated water quality of the first water treatment facility is estimated from the water quality of the raw water taken by the second water treatment facility, and the operating conditions of the first water treatment facility are adjusted so that this is the target water quality. 24. The water management system according to claim 23, wherein: 26. The water management system according to claim 23, wherein the operating condition of the first water treatment facility is adjusted so that the water quality of the water source measured by the information collecting facility becomes the target water quality. 27. The water quality of the raw water taken by the second water treatment facility is estimated from the water quality of the water source measured by the information collection facility and the water quality of the treated water of the first water treatment facility or operating conditions, and this is the target water quality. 24. The water management system according to claim 23, wherein the operating condition of the first water treatment facility is adjusted so that 28. The operating conditions of the second water treatment facility and the first water treatment facility are optimized so that treated water of good quality can be supplied while suppressing treatment cost. Water management system described. 29. The water management system according to claim 28, wherein the water quality of the water source measured by the information collecting facility is used for calculating the operating condition and the treatment cost of the second water treatment facility. 30. The treated water that is highly treated by the first water treatment facility so as to be returned upstream of the second water treatment facility so as to maintain the flow rate of the water source at the intake point of the second water treatment facility. 24. The amount is adjusted.
Water management system described. 31. At least one of a first water treatment facility and an information collection facility relating to one or more water sources or a catchment area of the water sources
A water management system, comprising: a means for obtaining information from the second water treatment facility and means for instructing the discharge position of the second water treatment facility that discharges the water to the water source or catchment area according to the information. 32. The discharge position of the treated water of the first water treatment facility is selected according to the quality of the raw water taken in the second water treatment facility or the quality of the treated water. Water management system described. 33. The discharge position of treated water of the first water treatment facility is changed when the control set value of the first or second water treatment facility reaches a limit. Water management system. 34. The water management system according to claim 31, wherein the discharge position of the treated water of the first water treatment facility is selected according to the treated water quality of the first water treatment facility. 35. The water management system according to claim 31, wherein the discharge position of the treated water of the first water treatment facility is selected according to the water quality of the water source measured at the information collecting facility. 36. The discharge position of the treated water of the first water treatment facility is selected according to the quality of raw water taken by the second water treatment facility and the treated water quality of the first water treatment facility. The water management system according to claim 31. 37. The discharge position of the treated water of the first water treatment facility is selected according to the water quality of the water source measured at the information collecting facility and the treated water quality of the first water treatment facility. 31. The water management system described in 31. 38. The water management system according to claim 31, wherein the discharge position of the treated water of the first water treatment facility is selected according to the flow rate of the water source at the intake point of the second water treatment facility. . 39. The water management system according to claim 31, wherein the discharge position of the treated water of the first water treatment facility is selected according to the flow rate of the water source measured at the information collecting facility. 40. The water quality at the intake point of the second water treatment facility is estimated from the treated water quality of the first water treatment facility, and the discharge position of the treated water of the first water treatment facility is selected accordingly. 32. The water management system according to claim 31, wherein 41. The water management system according to claim 31, wherein the water quality of the raw water measured at the information collecting facility is used for estimating the water quality at the intake point of the second water treatment facility. 42. The water according to claim 31, wherein when the quality of raw water taken by the second water treatment facility is lower than a predetermined standard, the raw water is discharged from the first water treatment facility to another water source. Management system. 43. The water according to claim 31, wherein when the treated water quality of the first or second water treatment facility is lower than a predetermined standard, the water is discharged from the first water treatment facility to another water source. Management system. 44. The water management system according to claim 31, wherein when the control set value of the second water treatment facility reaches a limit, the water is discharged from the first water treatment facility to another water source. 45. The method according to claim 31, wherein when the water quality of the water source measured by the information collecting facility deteriorates below a predetermined standard, the water is discharged from the first water treatment facility to another water source.
Water management system described. 46. When the quality of treated water in the first water treatment facility is worse than that of raw water taken in the second water treatment facility, the water is discharged from the first water treatment facility to another water source. 32. The water management system according to claim 31, wherein 47. When the quality of the treated water of the first water treatment facility is worse than the quality of the water source measured by the information collecting facility, the water is discharged from the first water treatment facility to another water source. 32. The water management system of claim 31. 48. When the flow rate of the water source at the intake point of the second water treatment facility is equal to or more than a predetermined value, the water is discharged from the first water treatment facility to another water source.
Water management system described. 49. The water management according to claim 31, wherein when the flow rate of the water source measured by the information collecting facility is equal to or more than a predetermined value, the water is discharged from the first water treatment facility to another water source. system. 50. The water quality at the intake point of the second water treatment facility is estimated from the treated water quality of the first water treatment facility, and if the estimated water quality is worse than a predetermined standard, the first water treatment is performed. Discharge from the facility to another water source.
The water management system described in 1. 51. The water quality at the intake point of the second water treatment facility is estimated from the treated water quality of the first water treatment facility and the water quality of the water source measured by the information collection facility, and the estimated water quality is based on a predetermined standard. The water management system according to claim 31, wherein the water is discharged from the first water treatment facility to another water source when the water quality is bad. 52. At least one of a first water treatment facility and an information collection facility relating to one or more water sources or catchment areas of the water sources.
A water management system, comprising: a means for obtaining information from the second water treatment facility, and means for, in accordance with the information, instructing the discharge amount of the second water treatment facility to be discharged to the water source or catchment area. 53. According to a difference between a flow rate of a water source at a water intake point of the second water treatment facility and a predetermined target flow rate, the treated water of the first water treatment facility is provided upstream of the second water treatment facility. 53. The water management system according to claim 52, wherein the amount of reduction is adjusted. 54. The upstream reduction of the treated water of the first water treatment facility is stopped when the quality of the raw water of the second water treatment facility is worse than a predetermined standard. 53. The water management system described in 53. 55. The method according to claim 53, wherein when the quality of the treated water in the first water treatment facility is lower than a predetermined standard, the reduction of the treated water in the first water treatment facility to the upstream is stopped. Water management system. 56. The water according to claim 52, wherein the upstream reduction of the treated water of the first water treatment facility is stopped when the operating condition of the first or second water treatment facility reaches a limit. Management system. 57. An amount of returning the treated water of the first water treatment facility to the upstream of the second water treatment facility according to a difference between the flow rate of the water source measured at the information collecting facility and a predetermined target flow rate. 53. The water management system of claim 52, wherein: 58. An amount of returning the treated water of the first water treatment facility to the upstream of the second water treatment facility according to a difference between the flow rate of the water source measured in the information collecting facility and a predetermined target flow rate. 53. The water management system according to claim 52, wherein the operating condition of the first water treatment facility is adjusted according to the water quality of the water source and the treated water quality of the first water treatment facility at the same time as the adjustment. 59. The upstream reduction of the treated water of the first water treatment facility is stopped when the water quality of the water source measured by the information collecting facility is worse than a predetermined standard. 52. The water management system described in 52. 60. When the quality of the treated water of the first water treatment facility is lower than a predetermined standard, the reduction of the treated water of the first water treatment facility to the upstream is stopped.
Water management system described. 61. The water according to claim 52, wherein the upstream reduction of the treated water of the first water treatment facility is stopped when the operating condition of the first or second water treatment facility reaches a limit. Management system. 62. The water management system according to claim 52, wherein the reduction amount of the treated water of the first water treatment facility is adjusted according to the quality of the raw water taken by the second water treatment facility. system. 63. The water management system according to claim 52, wherein the upstream reduction amount of the treated water of the first water treatment facility is adjusted according to the treated water quality of the first water treatment facility. 64. The water management system according to claim 52, wherein the upstream reduction amount of the treated water in the first water treatment facility is adjusted according to the water quality of the water source measured in the information collection facility. 65. The discharge flow rate of the treated water of the first water treatment facility is adjusted according to the flow rate or the water quality of the water source at the intake point of the second water treatment facility.
Water management system described. 66. The water management system according to claim 52, wherein the discharge flow rate of the treated water of the first water treatment facility is adjusted according to the flow rate or the water quality of the water source measured at the information collecting facility. 67. At least one of a first water treatment facility and an information collection facility relating to one or more water sources or a catchment area of the water sources
Water management, and means for instructing the amount of water interchange between the plurality of second water treatment facilities discharged to the water source or catchment area according to the above information. system. 68. When the amount of water flowing into the first water treatment facility is increased, a part of the inflow water to the first water treatment facility or a part of the water in the treatment process is transferred to another first water treatment facility. 68. The water management system of claim 67, which is flexible. 69. When the inflow load (product of inflow water amount and pollutant concentration) to the first water treatment facility exceeds a predetermined value, a part or treatment process of the inflow water to the first water treatment facility 68. The water management system according to claim 67, wherein a part of the water is used for the other first water treatment facility. 70. When the quality of treated water in the first water treatment facility deteriorates below a predetermined standard, a part of the inflow water to the first water treatment facility or a part of the water in the treatment process is replaced with another first water. 68. The water management system of claim 67, which is flexible to the treatment facility. 71. When the control set value of the first or second water treatment facility reaches a limit, a part of the inflow water to the first water treatment facility or a part of the water in the treatment process is changed to another. 68. The water management system according to claim 67, wherein the water management system is adapted to one water treatment facility. 72. When the water quality of the raw water of the second water treatment facility located downstream of the first water treatment facility deteriorates below a predetermined standard, a part or treatment of inflow water to the first water treatment facility. 68. The water management system of claim 67, wherein a portion of the process water is diverted to another first water treatment facility. 73. When the treated water quality of the second water treatment facility located downstream of the first water treatment facility deteriorates below a predetermined standard, a part of the inflow water to the first water treatment facility is replaced with another one. First
68. A water management system according to claim 67, which is adapted to a water treatment facility. 74. When the treated water quality of the second water treatment facility located downstream of the first water treatment facility deteriorates below a predetermined standard, a part of the water in the treatment process of the first water treatment facility is replaced with another. 67. The first water treatment facility of claim 67.
Water management system described. 75. When the control set value of the second water treatment facility located downstream of the first water treatment facility reaches a limit,
68. The water management system according to claim 67, wherein a part of the water in the treatment process of the first water treatment facility is exchanged with another first water treatment facility. 76. When the water quality of the water source measured by the information collecting facility deteriorates below a predetermined standard, a part of the inflow water into the first water treating facility relating to the information collecting facility is replaced with another first water treating facility. 68. The water management system of claim 67, wherein the water management system comprises: 77. When the water quality of a water source downstream of the first water treatment facility deteriorates, the water in the treatment process of the first water treatment facility is exchanged with another first water treatment facility. Item 67. A water management system according to Item 67. 78. Interchange of the treated water between the first water treatment facilities so that the total treatment cost is the lowest for the plurality of first water treatment facilities capable of accommodating the treated water. 69. The water management system according to claim 67, wherein the amount or the interchange amount of water in the treatment process or the interchange amount of treated water is determined. 79. The water quality of the water source estimated from the water quality of the treated water that is treated in the first water treatment facility and discharged to the water source, according to claim 1, 2, 6,
The water management system according to any one of 16, 23, 31, 52, 67. 80. The water quality of the water source measured by the information collection facility, wherein the information is the water quality of the water source.
The water management system according to any one of 2, 6, 16, 23, 31, 52, 67. 81. The water management system according to claim 80, wherein the water quality of the water source is estimated based on the pollutant concentration in the raw water measured at the information collection facility. 82. The water quality of the water source is estimated based on the pollutant concentration in the raw water measured in the information collecting facility and the pollutant concentration in the treated water of the first water treatment facility. The water management system of claim 80. 83. The water quality of a water source estimated from the operating conditions of the first water treatment facility, according to claim 1, 2, 6, 16, 23, 31, 52, 67. The water management system according to any one. 84. The operating condition of the first water treatment facility is any one of an aeration amount, an amount of sludge returned from a sedimentation tank to a biological reaction tank, and an amount of activated sludge retained in the biological reaction tank. 84. The water management system of claim 83. 85. The operation method of the second water treatment facility is any one of adjustment of a coagulant addition amount and adjustment of an ozone injection rate, 1, 2, 6, 16, 23, Three
The water management system according to any one of 1, 52 and 67. 86. The operating method of the second water treatment facility is to change the treatment process of the second water treatment facility.
The water management system according to any one of 1, 52 and 67. 87. The pollutant concentration is estimated by a dynamic simulation in consideration of water flow, mass transfer of pollutant, and reaction.
The water management system according to 1 or 82. 88. The water management system according to claim 87, wherein model parameters used in the dynamic simulation are adjusted by information from the first water treatment facility or the information collection facility.