JP2006095440A - Operation management system in sewage treatment plant - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operation management system of a sewage treatment plant which is not required to arrange a technician who understands the details of simulation at each sewage treatment plant and can carry out a water quality simulation. <P>SOLUTION: The operation system 10 of the sewage treatment plant includes an input and output part 14 for inputting the operation condition of the sewage treatment plant 1, a data accumulation part 12 for accumulating the quantity of state sent from the sewage treatment plant 1, and a water quality estimate part 13 which contains a water quality simulator beforehand, and carries out the water quality simulation based on the quantity of state from the data accumulation part 12 and an operation condition from the input and output part 14. A parameter of the water quality simulator is inputted to the water quality estimate part from a parameter input part 15. The result in the water quality parameter executed in the water quality estimate part 13 is outputted from the input and output part 14. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an operation management system for sewage treatment, and more particularly to an operation management system for a sewage treatment plant that can reduce the number of engineers performing simulation.

  Conventional sewage treatment plants are generally operated by monitoring and judgment by operators with many years of experience and expertise. It has become difficult to perform. In addition, since each sewage treatment plant has a different structure and inflow water conditions, it is difficult to perform operation control at a uniform target value.

As a solution to these problems, driving support by a simulator based on a mathematical model has been proposed. In addition, these simulators are not installed at each sewage treatment plant, but are connected to the water treatment project support system using the Internet line, and the simulation is performed by the water treatment project support system. A service method for transmitting a result has been proposed (see, for example, Patent Documents 1 and 2).
JP 2002-244064 JP 2002-251505 A

  As described above, in a service that integrates a support system such as a simulator installed in each sewage treatment plant into a single water treatment support system using the Internet line, and returns a simulation result, each sewage treatment plant Therefore, the operation condition for simulation is sent to the water treatment support system. For this reason, an engineer who can understand the contents of the simulation is required at each sewage treatment plant, and an engineer who can adjust the simulation result at each sewage treatment plant is required.

  In the water treatment business support system, since the simulator is performed for each sewage treatment unit, proper operation is possible for each sewage treatment plant. However, when viewed as a basin, the operation may not be optimal.

  In addition, since the water treatment support system can only carry out simulations using past data, it is impossible to investigate possible conditions such as operational changes during rainy weather by simulation.

  The present invention has been made in consideration of such points, and provides an operation management system for sewage treatment that does not require engineers who can understand the contents of simulation to be placed in all sewage treatment plants. With the goal.

  The present invention is an operation management system for a sewage treatment plant that performs a water quality simulation based on a state quantity in the sewage treatment plant, and an input / output unit that inputs operating conditions of the sewage treatment plant, and a state that is sent from the sewage treatment plant A water quality prediction unit for storing a quantity of water, a water quality simulator built in advance, and performing a water quality simulation based on a state quantity from the data storage unit and an operation condition from the input / output unit, and a water quality prediction unit An operation management system for a sewage treatment plant comprising a parameter input unit for inputting parameters of a water quality simulator, and outputting a result of a water quality simulation created by a water quality prediction unit to an input / output unit.

  In the present invention, the parameter input unit includes a parameter calculation input unit that calculates and obtains a water quality simulator parameter in a desired cycle based on the state quantity from the data storage unit, and inputs the parameter to the water quality prediction unit. This is an operation management system for a sewage treatment plant.

  The present invention is an operation management system for a sewage treatment plant, wherein the water quality prediction unit performs a water quality simulation regarding a desired period based on a state quantity over a long period of time.

  The present invention is an operation management system for a sewage treatment plant, wherein the input / output unit includes an input unit for inputting operation conditions and an output unit for outputting a result of water quality simulation.

  The present invention is the operation management system for a sewage treatment plant, wherein the data accumulation unit accumulates the inflow water amount predicted based on the rainfall information of the basin as part of the state quantity of the sewage treatment plant.

  The present invention is the operation management system for a sewage treatment plant, wherein the data accumulation unit further accumulates the influent water quality predicted based on the rainfall information of the basin as a part of the state quantity of the sewage treatment plant.

  In the present invention, the sewage treatment plant includes a CRT control unit having a CRT screen connected to the input / output unit, and the operation conditions and the result of the water quality simulator sent from the input / output unit are displayed on the CRT screen of the CRT control unit. This is an operation management system for a sewage treatment plant.

  In the present invention, the sewage treatment plant is connected to the input / output unit and the CRT control unit, respectively, and has a controller for managing the operation of the sewage treatment plant, and the operation conditions and water quality simulation results sent from the input / output unit are sent to the controller. It is the operation management system of a sewage treatment plant characterized by that.

  The present invention is an operation management system for a sewage treatment plant that performs water quality simulation based on state quantities in a plurality of sewage treatment plants, and includes an input / output unit that inputs operating conditions of each sewage treatment plant, and each sewage treatment plant The data storage unit that stores the state quantity sent from the water and the water quality simulator are built in beforehand, and the water quality of each sewage treatment plant based on the state quantity from the data storage unit and the operating conditions of each sewage treatment plant from the input / output unit A water quality prediction unit that performs simulation, and a parameter input unit that inputs parameters of the water quality simulator to the water quality prediction unit, and outputs the results of the water quality simulation created by the water quality prediction unit to the input / output unit This is an operation management system for a sewage treatment plant.

  The present invention is the operation management system for a sewage treatment plant, wherein the water quality prediction unit obtains a water quality simulation for each sewage treatment plant in a unified manner using a specific evaluation function.

  As described above, the input / output unit that inputs the operating condition to the water quality prediction unit and outputs the result of the water quality simulation from the water quality prediction unit can be installed separately from the sewage treatment plant. For this reason, it is not necessary to arrange engineers who can understand the contents of the simulation at all sewage treatment plants, and the number of engineers can be reduced.

First Embodiment Hereinafter, with reference to the drawings illustrating an embodiment of the present invention. FIG. 1 is a diagram showing a first embodiment of an operation management system for a sewage treatment plant according to the present invention.

  As shown in FIG. 1, the operation management system of the sewage treatment plant performs operation management of the sewage treatment plant 1.

  The sewage treatment plant 1 includes a first sedimentation basin 1a into which sewage flows, an aeration tank 1b, and a final sedimentation basin 1c that discharges treated water obtained by treating the sewage, and the aeration tank 1b includes a circulation pump. 1d is installed. The final sedimentation tank 1c and the aeration tank 1b are connected by a return sludge pump 1e.

  In the sewage treatment plant 1, various measuring instruments 2 such as a flow meter, a concentration meter, and a water quality meter are installed.

  Various measuring instruments 2 in the sewage treatment plant 1 are connected to a data collecting device 4, and the data collecting device 4 is connected to a CRT control unit 3 having a CRT screen.

  The operation management system 10 of the sewage treatment plant is mainly disposed in a remote center 11 installed at a location distant from the sewage treatment plant 1, and the sewage treatment plant 1 and the operation management system 10 are connected via a communication line 5. ing.

  The operation management system 10 inputs operation conditions of the sewage treatment plant 1 and outputs an input / output unit 14 for outputting a result of water quality simulation described later, and a data collection device 4 of the sewage treatment plant 1 through a communication line 5. The data storage unit 12 for storing the state quantity sent and the water quality simulator are built in in advance, and the water quality simulation is performed based on the state quantity from the data storage unit 12 and the operating condition input from the input / output unit 14. And a water quality prediction unit 13.

  The result of the water quality simulation performed by the water quality prediction unit 13 is output to the input / output unit 14.

  The input / output unit 14 may be installed in the remote center 11 or in the sewage treatment plant 1.

Next, the operation of the present embodiment having such a configuration will be described.
First, sewage enters the aeration tank 1b from the first settling tank 1a, is sequentially processed from the aeration tank 1b through the final settling tank 1c, and is discharged outward as treated water from the final settling tank 1c.

  During this time, the operation status of the sewage treatment plant 1 is measured as a state quantity by the measuring instrument 2, and after this state quantity is collected in the data collection device 4, together with information input from the CRT control unit 3, the communication quantity is obtained. The data is stored in the data storage unit 12 of the operation management system 10 installed in the remote center 11.

  Next, the state quantity stored in the data storage unit 12 is sent to the water quality prediction unit 13, and a water quality simulation is performed in the water quality prediction unit 13.

  The water quality prediction unit 13 has a built-in water quality simulation such as an IWA activated sludge model, and the parameters of the simulator combined with the civil engineering structure of each sewage treatment plant 1 are operated by operating the input / output unit 14 as operating conditions. This is input to the water quality prediction unit 13 via the input unit 15.

  The water quality prediction unit 13 performs an operation simulation of the sewage treatment plant using the water quality simulation based on the input operation condition and the state quantity from the data storage unit 12, and obtains calculation results such as discharged water quality and operation cost. The calculation result created in the water quality prediction unit 13 is output to the input / output unit 14.

  Next, the engineer examines the operation method of the sewage treatment plant by looking at the result of the water quality simulation output to the input / output unit 14.

  In this way, it becomes possible to examine the operation method by an engineer with expertise who has recognized the result of the water quality simulation through the input / output unit 14, and therefore an engineer with expertise is placed in the sewage treatment plant 1. Therefore, it is possible to provide operating conditions suitable for the sewage treatment plant 1. In addition, by entrusting the examination of the operation method to the operator who owns the remote center 11, it is possible to provide the operation conditions suitable for the sewage treatment plant 1 even when there is no technician having expertise. It becomes.

  In addition, when performing the simulation in the water quality prediction unit 13, it is possible to perform a simulation using data of an arbitrary period among the data stored in the data storage unit 12. It becomes possible to compare and examine the state of each other.

  As described above, according to the present embodiment, even when the number of engineers with specialized knowledge decreases, it is possible to examine the operation conditions from any place, and the operation data necessary for the operation of the sewage treatment plant 1 Can be obtained, and the operation of the sewage treatment plant 1 can be optimized.

Second Embodiment Next, an embodiment of the present invention will be described with reference to FIG.
In the second embodiment shown in FIG. 2, the operation management system 10 calculates and obtains a water quality simulator parameter in a desired cycle based on the state quantity from the data storage unit 11, and this parameter is obtained from the water quality prediction unit. The only difference is that it has a parameter calculation input unit 16 to be input, and the others are substantially the same as those of the first embodiment shown in FIG.

  In FIG. 2, the same parts as those of the first embodiment shown in FIG.

  In FIG. 2, the operation status (state quantity) of the sewage treatment plant 1 is collected by the data collection device 4 via the measuring instrument 2, and together with information from the CRT control unit 3 via the communication line 5 of the remote center 11. It is stored in the data storage unit 12 installed inside.

  The water quality prediction unit 13 incorporates a water quality simulator such as an IWA activated sludge model. The simulator parameters combined with the civil engineering structure of the sewage treatment plant 1 include a large number of model constants in order to take into account differences in the reaction characteristics of microorganisms due to weather conditions, seasons, etc. Requires an engineer with specialized knowledge.

  Based on the past data stored in the data storage unit 12, parameters are automatically calculated by the parameter calculation input unit 16 at an arbitrary timing (in a desired cycle), and based on the data stored in the data storage unit 12. Therefore, the optimum parameters that have changed due to fluctuations in influent water quality, temperature, etc. are required. The optimum parameters are then sent from the parameter calculation input unit 16 to the water quality prediction unit 13, and a water quality simulator is implemented in the water quality prediction unit 13.

  As described above, according to the present embodiment, the parameters used in the water quality prediction unit 13 can be constantly maintained, so that it is possible to perform a water quality simulation according to the actual situation. .

  In this way, even when there is no engineer with expert knowledge regarding parameter adjustment, it is possible to automatically adjust parameters, and it is possible to carry out a study by simulation according to the actual situation. .

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIG.
The third embodiment shown in FIG. 3 is different only in that the input / output unit is composed of an input unit 14a for inputting operating conditions and an output unit 14b for outputting the result of water quality simulation. 1 is substantially the same as the first embodiment shown in FIG. In FIG. 3, the same parts as those of the first embodiment shown in FIG.

  In FIG. 3, the operation status (state quantity) of the sewage treatment plant 1 is collected by the data collection device 4 via the measuring instrument 2, and together with information from the CRT control unit 3 via the communication line 5, It is stored in the data storage unit 12 installed inside.

  The water quality prediction unit 13 has a built-in water quality simulator such as an IWA activated sludge model. By operating the input unit 14a, the simulator parameters combined with the civil engineering structure of the sewage treatment plant 1 are used as operating conditions. The data is input to the water quality prediction unit 13 by the input unit 15. The water quality prediction unit 13 performs a simulation based on the state quantity from the data storage unit 12 and the operating conditions. The calculation results such as the discharged water quality and the operating cost under the operation conditions obtained by the water quality prediction unit 13 are output to the output unit 14b.

  According to the present embodiment, it becomes possible for the engineer to examine the driving method based on the information from the output unit 14b.

  In this case, the input unit 14a is installed in the sewage treatment plant 1, the output unit 14b is installed in the remote center 11, and an engineer with less specialized knowledge inputs operating conditions and the like from the input unit 14a. Can be confirmed by an engineer who is monitoring in the output unit 14b, and the operation management system 10 can be used as an OJT tool for a technician with less expertise. Is possible. In addition, by entrusting monitoring of the output unit 14b to the business owner who owns the remote center 11, even if an engineer with specialized knowledge is absent from the sewage treatment plant 1, input of inappropriate operating conditions can be prevented. It is possible to prevent deterioration of discharged water quality.

  As described above, using this operation management system 10, it is possible to perform OJT of engineers with little specialized knowledge, and it is possible to improve the technical capabilities of engineers.

Fourth Embodiment Next, a fourth embodiment of the present invention will be described with reference to FIG.
In the fourth embodiment shown in FIG. 4, the sewage treatment plant 1 has an inflow prediction unit 18 that predicts an inflow amount of sewage based on rainfall information, and the inflow water amount predicted by the inflow prediction unit 18 is a state quantity. The only difference is that the data is collected by the data collection device 4 as a part of the configuration, and the other configuration is substantially the same as that of the first embodiment shown in FIG.

  In FIG. 4, the same parts as those of the first embodiment shown in FIG.

  In FIG. 4, the operation status (state quantity) of the sewage treatment plant 1 is collected by the data collection device 4 via the measuring instrument 2, and together with information from the CRT control unit 3 via the communication line 5 of the remote center 11. It is stored in the data storage unit 12 installed inside. In addition, based on the rainfall information of the basin collected by the rainfall information collection device 17, the inflow prediction unit 18 predicts the amount of inflow of sewage. The inflow water amount predicted by the inflow prediction unit 18 is collected as a state amount by the data collection device 4 and stored in the data storage unit 12 installed inside the remote center 11 via the communication line 5.

  Here, the rainfall information collected by the rain information collecting device 17 may be collected by the data collecting device 4 and the water amount may be predicted by an inflow predicting unit (not shown) installed in the remote center.

  The water quality prediction unit 13 incorporates a water quality simulator such as an IWA activated sludge model. By operating the input / output unit 14, simulator parameters in accordance with the civil engineering structure of each sewage treatment plant 1 are used as operating conditions. The parameter input unit 15 inputs the water quality prediction unit 13. The water quality prediction unit 13 performs a simulation based on the state quantity from the data storage unit 12 and the operating conditions. The calculation results such as the discharged water quality and the operating cost under the operation conditions obtained by the water quality prediction unit 13 are output to the input / output unit 14.

  According to the present embodiment, when the inflow water amount changes suddenly in rainy weather, an operation method can be examined by an engineer having expertise in the input / output unit 14 using the predicted value of the inflow water amount. In this way, it is possible to determine the optimal operation method in the event of sudden changes, so it is possible to perform appropriate operation even when the amount of water and water quality change in rainy weather, etc., and improve the discharged water quality of the sewage treatment plant Can be made.

  As described above, it is possible to determine an appropriate operation method even during a sudden change in the amount of inflow water such as in rainy weather, and it is possible to improve the discharged water quality of the sewage treatment plant.

Fifth Embodiment Next, a fifth embodiment of the present invention will be described with reference to FIG.
In the fifth embodiment shown in FIG. 5, a sewage treatment plant 1 is provided with a water quality predicting unit 19 that predicts the influent water quality of sewage based on rainfall information, and the inflow water quality predicted by the water quality predicting unit 19 is a data collection device. The other configuration is substantially the same as that of the fourth embodiment shown in FIG.

  In FIG. 5, the operation status (state quantity) of the sewage treatment plant 1 is collected by the data collection device 4 via the measuring instrument 2, and together with information from the CRT control unit 3 via the communication line 5 of the remote center 11. It is stored in the data storage unit 12 installed inside. Further, based on the rainfall information collected by the rainfall information collecting device 17, the inflow prediction unit 18 predicts the amount of inflow of sewage, and the inflow water quality prediction unit 19 predicts the inflow of sewage. These predicted inflow water amount and inflow water quality are collected by the data collection device 4 as a part of the state amount and stored in the data storage unit 12 installed inside the remote center 11 via the communication line 5.

  The water quality prediction unit 13 has a built-in water quality simulator such as an IWA activated sludge model. By operating the input / output unit 14, simulator parameters combined with the civil engineering structure of each sewage treatment plant 1 are used as operating conditions. The parameter input unit 15 inputs the water quality prediction unit 13. The water quality prediction unit 13 performs a simulation based on the state quantity from the data storage unit 12 and the operating conditions. The calculation results such as the discharged water quality and the operating cost under the operation conditions obtained by the water quality prediction unit 13 are output to the input / output unit 14.

  According to the present embodiment, when the inflow water amount suddenly changes during rainy weather, the operation method can be examined by an engineer having expertise in the input / output unit 14 using the inflow water amount and the predicted value of the inflow water quality. it can. In this way, it is possible to determine the optimal operation method in the event of sudden changes, so it is possible to perform appropriate operation even when the amount of water and water quality change in rainy weather, etc., and improve the discharged water quality of the sewage treatment plant It becomes possible to make it.

  As described above, it is possible to determine an appropriate operation method even during a sudden change in the amount of inflow water such as in rainy weather, and it is possible to improve the discharged water quality of the sewage treatment plant.

Sixth Embodiment Next, a sixth embodiment of the present invention will be described with reference to FIG. In the sixth embodiment shown in FIG. 6, the CRT control unit 3 of the sewage treatment plant is connected to the input / output unit 14, and the operation conditions input from the input / output unit 14 are output to the input / output unit 14. The result of the water quality simulation is displayed on the CRT screen of the CRT control unit 3.

  Other configurations are substantially the same as those of the first embodiment shown in FIG. In FIG. 6, the same parts as those of the first embodiment shown in FIG.

  In FIG. 6, the operation status (state quantity) of the sewage treatment plant 1 is collected by the data collection device 4 via the measuring instrument 2, and together with information from the CRT control unit 3 via the communication line 5 of the remote center 11. It is stored in the data storage unit 12 installed inside.

  The water quality prediction unit 13 has a built-in water quality simulator such as an IWA activated sludge model. By operating the input / output unit 14, the parameters of the simulator combined with the civil engineering structure of each sewage treatment plant 1 can be set as operating conditions. Is input to the water quality prediction unit 13 by the parameter input unit 15. The water quality prediction unit 13 performs a simulation based on the state quantity from the data storage unit 12 and the operating conditions. The calculation results such as the discharged water quality and the operating cost under the operation conditions obtained by the water quality prediction unit 13 are output to the input / output unit 14.

  An engineer with specialized knowledge in the input / output unit 14 inputs operating conditions from the input / output unit 14. In addition, this engineer examines the operation method from the calculation result, and displays the determined operation condition on the CRT screen of the CRT control unit 3 of the sewage treatment plant 1 from the input / output unit 14, thereby operating in the sewage treatment plant 1. Instructions can be given to employees.

  In this way, the operator inputs the operation conditions instructed through the CRT screen of the CRT control unit 3 as the operation conditions, so that even if an engineer with specialized knowledge is not arranged in the sewage treatment plant 1, It is possible to provide operating conditions suitable for the treatment plant. In addition, by entrusting the examination of the operation method to the operator who owns the remote center 11, it is possible to provide operation conditions suitable for the sewage treatment plant even in the absence of an engineer with specialized knowledge. Become.

Next, a modification of the present invention will be described with reference to FIG.
As shown in FIG. 7, an engineer with specialized knowledge can input an operation condition from the input / output unit 14 and examine an operation method from a simulation calculation result output to the input / output unit 14. At this time, it is possible to control the sewage treatment plant 1 remotely by inputting the determined operating conditions directly from the input / output unit 14 to the controller 20 of the sewage treatment plant 1, thereby compensating for the shortage of operators. It becomes possible. The controller 20 manages the operation of the sewage treatment plant 1 and is provided between the CRT control unit 3 and the data collection device 4.

  As described above, according to the present embodiment, even when the number of engineers with specialized knowledge decreases, the operation conditions are examined at a place where the input / output unit 14 is located, and the result is the operation of the sewage treatment plant 1. It is possible to obtain control amount data necessary for the operation of the sewage treatment plant 1 by contacting the staff or directly inputting it to the controller 20. For this reason, it becomes possible to optimize the operation of the sewage treatment plant and to reduce the number of operators.

Seventh Embodiment Next, a seventh embodiment of the present invention will be described with reference to FIG. In the seventh embodiment shown in FIG. 8, a plurality of sewage treatment plants 1 are installed, and a data collection device 4 from each sewage treatment plant 1 is connected to the operation management system 10. Other configurations are substantially the same as those of the first embodiment shown in FIG.

  In FIG. 8, the operation status (state quantity) of each sewage treatment plant 1 is collected by the data collection device 4 via the measuring instrument 2, and together with information from the CRT control device 3, the remote center 11 via the communication line 5. Is stored in the data storage unit 12 installed inside.

  The water quality prediction unit 13 incorporates a water quality simulator such as an IWA activated sludge model. By operating the input / output unit 14, simulator parameters in accordance with the civil engineering structure of each sewage treatment plant 1 are used as operating conditions. The parameter input unit 15 inputs the water quality prediction unit 13. The water quality prediction unit 13 performs a simulation based on the state quantity from the data storage unit 12 and the operating conditions of each sewage treatment plant 1. Calculation results such as discharged water quality and operating cost under the operational conditions obtained by the water quality prediction unit 13 are output to the input / output unit 14.

  An engineer with specialized knowledge in the input / output unit 14 can examine the operation method for a plurality of sewage treatment plants 1, so even when there are only a few engineers with specialized knowledge. Therefore, it is possible to provide operating conditions suitable for the sewage treatment plant 1. In addition, by entrusting the examination of the operation method to the operator who owns the remote center 11, it is possible to provide the operation conditions suitable for the sewage treatment plant 1 even when there is no technician having expertise. It becomes.

  In addition, the water quality prediction unit 13 performs a centralized evaluation using the effluent water quality and operation costs of a plurality of sewage treatment plants as a certain evaluation function, and determines the effluent water quality and operation costs in a trade-off relationship to a plurality of sewage treatment plants. It is possible to optimize the entire system.

  As described above, according to the present embodiment, it is possible to examine the operating conditions for a plurality of sewage treatment plants 1 from an arbitrary place even when the number of engineers with specialized knowledge decreases. In addition, it is possible to obtain control amount data necessary for the operation of each sewage treatment plant 1, and it is possible to optimize the operation of the sewage treatment plant. Alternatively, by optimizing the operation of the plurality of sewage treatment plants 1 as a whole, it is possible to minimize the operation cost of the sewage treatment company.

The figure which shows 1st Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows 2nd Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows 3rd Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows 4th Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows 5th Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows 6th Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows the modification of 6th Embodiment of the operation management system of the sewage treatment plant by this invention. The figure which shows 7th Embodiment of the operation management system of the sewage treatment plant by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sewage treatment plant 2 Measuring device 3 CRT control part 4 Data collection device 5 Communication line 10 Sewage treatment operation management system 11 Remote center 12 Data storage part 13 Water quality prediction part 14 Input / output part 14a Input part 14b Output part 15 Parameter input part 16 Parameter calculation input unit 17 Rainfall information collection device 18 Inflow prediction unit 19 Water quality prediction unit 20 Controller

Claims (10)

An operation management system for a sewage treatment plant that performs a water quality simulation based on a state quantity in the sewage treatment plant,
An input / output unit for inputting the operating conditions of the sewage treatment plant,
A data storage unit that stores state quantities sent from the sewage treatment plant;
A water quality simulator that has a built-in water quality simulator in advance and performs a water quality simulation based on the state quantity from the data storage unit and the operating conditions from the input / output unit,
A parameter input unit for inputting water quality simulator parameters to the water quality prediction unit;
An operation management system for a sewage treatment plant, wherein the result of the water quality simulation created by the water quality prediction unit is output to the input / output unit.   The parameter input unit includes a parameter calculation input unit that calculates and obtains a water quality simulator parameter in a desired cycle based on the state quantity from the data storage unit, and inputs the parameter to the water quality prediction unit. An operation management system for a sewage treatment plant according to claim 1.   2. The operation management system for a sewage treatment plant according to claim 1, wherein the water quality prediction unit performs a water quality simulation for a desired period based on a state quantity over a long period of time.   The operation management system for a sewage treatment plant according to claim 1, wherein the input / output unit includes an input unit for inputting operation conditions and an output unit for outputting a result of water quality simulation.   2. The operation management system for a sewage treatment plant according to claim 1, wherein the data accumulation unit accumulates the inflow water amount predicted based on rainfall information of the basin as part of the state quantity of the sewage treatment plant.   6. The operation management system for a sewage treatment plant according to claim 5, wherein the data storage unit further accumulates the influent water quality predicted based on the rainfall information of the basin as part of the state quantity of the sewage treatment plant.   The sewage treatment plant includes a CRT control unit having a CRT screen connected to the input / output unit, and the operation conditions and the result of the water quality simulator sent from the input / output unit are displayed on the CRT screen of the CRT control unit. An operation management system for a sewage treatment plant according to claim 1.   The sewage treatment plant is connected to the input / output unit and the CRT control unit, and has a controller for managing the operation of the sewage treatment plant, and the operation conditions and the result of water quality simulation sent from the input / output unit are sent to the controller. An operation management system for a sewage treatment plant according to claim 7. An operation management system for a sewage treatment plant that performs water quality simulation based on state quantities in a plurality of sewage treatment plants,
An input / output unit for inputting the operating conditions of each sewage treatment plant;
A data storage unit for storing state quantities sent from each sewage treatment plant;
A water quality prediction unit that has a built-in water quality simulator in advance and performs a water quality simulation of each sewage treatment plant based on the state quantity from the data storage unit and the operating conditions of each sewage treatment plant from the input / output unit,
A parameter input unit for inputting water quality simulator parameters to the water quality prediction unit;
An operation management system for a sewage treatment plant, wherein the result of the water quality simulation created by the water quality prediction unit is output to the input / output unit.   The operation management system for a sewage treatment plant according to claim 9, wherein the water quality prediction unit obtains a water quality simulation for each sewage treatment plant in a unified manner using a specific evaluation function.

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