CN109339211B - Rainwater and sewage diversion treatment device and treatment method - Google Patents
Rainwater and sewage diversion treatment device and treatment method Download PDFInfo
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- CN109339211B CN109339211B CN201811349884.6A CN201811349884A CN109339211B CN 109339211 B CN109339211 B CN 109339211B CN 201811349884 A CN201811349884 A CN 201811349884A CN 109339211 B CN109339211 B CN 109339211B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
Abstract
The invention discloses a rain and sewage diversion treatment device, which comprises a box body, a controller, a liquid level sensor, a water quality sensor, a water treatment device, a submersible pump and a valve, wherein the liquid level sensor, the water quality sensor, the water treatment device, the submersible pump and the valve are positioned in the box body; wherein, an overflow port is arranged on the box body; the inlet end of the water treatment device is connected with the submersible pump through a pipeline, and the valve is positioned in the pipeline of the outlet of the submersible pump; the outlet end of the water treatment device is connected with the wall surface of the box body through a water outlet pipe, and the water outlet pipe is communicated with the outer side of the box body; and the signal output end of the liquid level sensor and the signal output end of the water quality sensor are respectively connected with the signal input end of the controller, and the signal output end of the controller is in communication connection with the submersible pump. The device can solve the problem of pollution to the water quality of the river channel when rainwater and sewage are discharged in a confluence manner, and reduces the flow of the sewage discharged into the river along with the rainwater.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a rainwater and sewage separation treatment device and a treatment method.
Background
At present, the old urban area in the domestic city is still provided with more rainwater and sewage combined drainage systems, a lot of sewage is directly discharged into rivers along with rainwater, and the problem of black and odorous urban water bodies is solvedThe environment is seriously polluted when the environment is highlighted. Even if a part of the rainwater and sewage diversion devices are arranged at the river inlet, rainwater and sewage are simultaneously intercepted and sent to a sewage treatment plant, so that the treatment capacity of the sewage treatment plant is increased, and the resources of the sewage treatment plant are seriously wasted. Or the rainwater and the sewage are separated by adopting an electrical and mechanical control method, but a part of sewage flows into the river along with the rainwater to pollute the river channel, and the cost of the pipeline is increased because the sewage is conveyed to a sewage treatment plant. While for rain sewage split BOD5The water with lower content is difficult to meet the requirement of ideal nutrient balance of the traditional water treatment process, and meanwhile, the concentration and flow change of the water are large, so that the water has large pressure on the normal operation of a sewage treatment plant.
Disclosure of Invention
The invention provides a rainwater and sewage flow dividing treatment device and a treatment method, which aim to solve the problem of pollution to the water quality of a river channel when rainwater and sewage are discharged in a confluence manner and reduce the flow of the sewage discharged into a river along with the rainwater.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
on one hand, the embodiment of the invention provides a rainwater and sewage separating treatment device, which comprises a box body, a controller, a liquid level sensor, a water quality sensor, a water treatment device, a submersible pump and a valve, wherein the liquid level sensor, the water quality sensor, the water treatment device, the submersible pump and the valve are positioned in the box body; wherein, an overflow port is arranged on the box body; the inlet end of the water treatment device is connected with the submersible pump through a pipeline, and the valve is positioned in the pipeline of the outlet of the submersible pump; the outlet end of the water treatment device is connected with the wall surface of the box body through a water outlet pipe, and the water outlet pipe is communicated with the outer side of the box body; and the signal output end of the liquid level sensor and the signal output end of the water quality sensor are respectively connected with the signal input end of the controller, and the signal output end of the controller is in communication connection with the submersible pump.
Preferably, the valve is a one-way valve.
Preferably, the overflow port is positioned at the top end of the box body.
As a preferred example, the distribution treatment device for rain and sewage further comprises a coupling device and a guide rod, wherein the coupling device is connected with the outer side of the box body, the guide rod is fixedly connected with a wall body containing the liquid inlet pipe, and the coupling device is matched with the guide rod.
As a preferred example, the rainwater and sewage diversion treatment device further comprises a frequency converter, wherein the frequency converter is connected between the controller and the submersible pump, and the frequency converter is in communication connection with the controller and the submersible pump respectively.
In another aspect, an embodiment of the present invention provides a rainwater and sewage separation processing method, including:
s10 setting parameters including a first liquid level and a first contaminant content;
s11, collecting the liquid level height in the box body by using a liquid level sensor, and collecting water quality parameters in the box body by using a water quality sensor;
s12, the liquid level sensor and the water quality sensor transmit the collected data to the controller;
and the S13 controller controls the submersible pump to be started and stopped according to the received data.
As a preferred example, the step S13 includes:
setting a first condition as follows: the liquid level in the box body reaches or exceeds the first liquid level; the second condition is: the pollutant content in the liquid in the box body reaches or exceeds the first pollutant content; the third condition is: the liquid level in the box body is lower than a second liquid level, and the second liquid level is lower than the first liquid level;
the controller judges whether the first condition and the second condition are simultaneously satisfied according to the received data:
if the first condition and the second condition are simultaneously met, controlling the submersible pump to work, and conveying the liquid in the tank body into the water treatment device by the submersible pump; the water treatment device discharges the treated sewage out of the box body from the water outlet pipe and enters a river; during the operation of the submersible pump, if the third condition is met or the second condition is not met, stopping running the submersible pump;
if the first condition and the second condition are not satisfied simultaneously, the submersible pump is not started, the liquid in the box body is not processed by the water processing device, and when the liquid level rises, the liquid flows out of the box body through the overflow port and enters the river.
As a preferable example, in step S10, the parameters further include a third liquid level, a fourth liquid level, and a second pollutant content; the third liquid level height is lower than the first liquid level height, the fourth liquid level height is lower than the third liquid level height, and the second pollutant content is higher than the first pollutant content.
As a preferable example, in step S13, the fourth condition is further set as: the liquid level in the box body is between the first liquid level and the third liquid level; the fifth condition is: the content of the pollutants in the liquid in the box body reaches or exceeds the content of the second pollutants; the sixth condition is: the liquid level in the box body is lower than the fourth liquid level;
step S13 further includes the controller determining whether the fourth condition and the fifth condition are satisfied simultaneously based on the received data:
if the fourth condition and the fifth condition are simultaneously met, controlling the submersible pump and the frequency converter to start to work, and conveying the liquid in the box body into the water treatment device by the submersible pump; after the water treatment device treats the sewage, the sewage is discharged from the box body through the water outlet pipe and enters a river; during the operation of the submersible pump and the frequency converter, if the sixth condition is met or the fifth condition is not met, stopping running the submersible pump and the frequency converter;
and if the fourth condition and the fifth condition are not satisfied simultaneously, not starting the submersible pump and the frequency converter.
As a preferred example, in step S11, the liquid level sensor acquires the liquid level height in the tank in real time, and the water quality sensor acquires the water quality parameter in the tank in real time;
the S13 controller judges a first condition, a second condition, a third condition, a fourth condition, a fifth condition and a sixth condition in real time according to the received data, and controls the submersible pump to be started and stopped in real time;
if the fourth condition and the fifth condition are simultaneously met and the first condition and the second condition are also simultaneously met, the frequency converter is closed, and the submersible pump is controlled to start to work.
Compared with the prior art, the rainwater and sewage flow dividing treatment device and the treatment method provided by the embodiment of the invention can solve the problem of pollution to river water quality when rainwater and sewage are discharged in a combined manner, and reduce the flow of the sewage discharged into a river along with the rainwater. In this embodiment, the water quality sensor is used to collect the pollution parameters of the rain and sewage mixed liquid in the tank body. And a liquid level sensor is used for collecting the liquid level of the rain and sewage mixed liquid in the box body. When the liquid level is higher and the pollution degree is higher, the submersible pump is started. And the mixed liquid in the tank body is conveyed to a water treatment device by using a submersible pump to treat sewage. The purified liquid is discharged from a water outlet pipe of the water treatment device and enters a river. When the pollution degree of the rain and sewage mixed liquid does not reach the set standard, the rain and sewage mixed liquid flows out from the overflow port of the box body along with the continuous rising of the liquid level.
The controller carries out data processing according to the signal of level sensor and water quality sensor transmission to according to data processing's result and the condition of setting for, confirm opening and shutting down of immersible pump, discharge the rainwater that pollutant content is less, carry out on-the-spot water treatment to the sewage that pollutant content is great, thereby realize shunting the treatment to rain sewage at the river course entrance. According to the set pollutant content discharge index, the diversion of the rain sewage is determined, namely, in the discharged sewage, the sewage with lower concentration meeting the discharge standard is directly discharged into a river, and the sewage with higher concentration not meeting the discharge standard is discharged after decontamination treatment. The embodiment has the advantages of reliable control function, stable performance, good flow distribution effect, low cost and the like of the water treatment device.
Drawings
FIG. 1 is a schematic view of an integrated distribution treatment apparatus for rain and sewage according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
The figure shows that: the device comprises a wall body 1, a guide rod 2, a liquid level sensor 3, a water inlet pipe 4, a water quality sensor 5, a water treatment device 6, a water outlet pipe 7, a coupling device 8, a submersible pump 9, a valve 10, a box body 11, an overflow port 12, a controller 13 and a frequency converter 14.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.
As shown in fig. 1 and 2, the distribution flow treatment device of rain and sewage of the embodiment of the invention comprises a tank 11, a controller 13, and a liquid level sensor 3, a water quality sensor 5, a water treatment device 6, a submersible pump 9 and a valve 10 which are positioned in the tank 11. An overflow port 12 is arranged on the box body 11. The sewage which is not required to be treated in the tank body 11 flows out of the tank body 11 from the overflow port 12 into the river. The inlet end of the water treatment device 6 is connected with a submersible pump 9 through a pipeline. A valve 10 is located in the outlet line of the submersible pump 9. The outlet end of the water treatment device 6 is connected with the wall surface of the box body 11 through a water outlet pipe 7, and the water outlet pipe 7 is communicated with the outer side of the box body 11. The signal output end of the liquid level sensor 3 and the signal output end of the water quality sensor 5 are respectively connected with the signal input end of the controller 13, and the signal output end of the controller 13 is in communication connection with the submersible pump 9.
Rain and sewage separation is carried out on the urban pipelines, so that reasonable utilization of water resources is facilitated. If the sewage with high pollution degree is directly mixed with rainwater and enters a river, the river water is bound to be polluted. Therefore, the embodiment treats the rain and sewage mixed liquid before entering the river, so that the rain and sewage mixed liquid enters the river without causing great pollution to the river. In this embodiment, the water level and the pollution degree of the rain and sewage mixed liquid are comprehensively considered, and the rain and sewage mixed liquid is treated. And collecting pollution parameters of the rain and sewage mixed liquid in the box body 11 by using the water quality sensor 5. And the liquid level of the rain and sewage mixed liquid in the box body 11 is collected by the liquid level sensor 3. When the liquid level is lower, the submersible pump 9 is started, and the damage of the equipment is easily caused. Therefore, when the liquid level is low, the submersible pump 9 is not activated. When the liquid level is high and the pollution degree is high, the submersible pump 9 is started. The mixed liquid in the box body 11 is conveyed to the water treatment device 6 by the submersible pump 9, and the sewage is treated. The purified liquid is discharged from the water outlet pipe 7 of the water treatment device 6 and enters the river. When the pollution degree of the rain and sewage mixed liquid does not reach the set standard, the rain and sewage mixed liquid flows out from the overflow port 12 of the box body 11 along with the continuous rising of the liquid level.
In this embodiment, the liquid level sensor 3 and the water quality sensor 5 collect information in real time and transmit the information to the controller 13. The number of the water quality sensors 5 can be multiple, and different parameters are detected respectively; or can be integrated into one, and has the function of detecting various parameters. For example, the water quality sensor 5 can detect COD in waterCr、BOD5、SS、NH3N, TN, and the like, and the parameters are transmitted to the controller 13 for data processing, judgment and control of the starting action of the submersible pump 9. The controller 13 judges according to the received information and preset parameters to control the on-off of the submersible pump 9. The embodiment can control the operation of the submersible pump 9 in real time, and achieve the purpose of treating sewage in real time.
The rainwater and the sewage are combined before entering the river. That is, rainwater and sewage do not flow independently. Before entering a river, the pollution concentration of the mixed liquid of the rainwater and the sewage is detected, and if the mixed liquid meets the direct discharge requirement, the mixed liquid is discharged through an overflow port of the box body 11. If the direct discharge requirement is not met, the mixed liquid is treated by the water treatment device 6 in the box body 11 and then discharged to the river from the water outlet pipe 7.
Preferably, the valve 10 is a one-way valve. When the valve 10 is a one-way valve, the valve 10 is automatically opened under the pressure of the water flow when the water flow flows in, and the water flow enters the water treatment device 6. When the submersible pump 9 is closed, water flows backwards under the action of self gravity, and the valve 10 automatically resets and closes. When the valve 10 is closed, a portion of the mixed liquid remains in the water treatment device 6. Since the water treatment apparatus 6 is provided with activated sludge, the sludge activity is maintained by the mixed liquid.
Preferably, the overflow port 12 is located at the top end of the tank 11. When the overflow port 12 is located the top of box 11 for the dirty mixed liquid of rain in the box 11 is sufficient, the detection pollution degree of being convenient for more accurate. Of course, the overflow 12 can also be located in the wall of the tank 11.
As a preferred example, the rain and sewage diversion treatment device further comprises a coupling device 8 and a guide rod 2, the coupling device 8 is connected with the outer side of the box body 11, the guide rod 2 is fixedly connected with the wall body 1 containing the liquid inlet pipe 4, and the coupling device 8 is matched with the guide rod 2. The coupling device 8 can slide up and down on the guide rod 2, so that the water inlet of the box body 11 is connected with the water outlet of the rain and sewage pipeline.
Preferably, the rain sewage diversion treatment device further comprises a frequency converter 14. The frequency converter 14 is connected between the controller 13 and the submersible pump 9, and the frequency converter 14 is in communication connection with the controller 13 and the submersible pump 9, respectively. By arranging the frequency converter 14, the low-flow rain and sewage mixed liquid is conveyed into the water treatment device 6, and the submersible pump 9 is prevented from being damaged. When the liquid level in the box body 11 is judged to be low and sewage treatment is needed, the frequency converter 14 and the submersible pump 9 are started to realize low-flow conveying of rain and sewage mixed liquid. When the liquid level in the box body 11 is judged to be high and sewage treatment is needed, the frequency converter 14 is closed, the submersible pump 9 is normally started, and the treatment efficiency is improved.
The embodiment of the invention also provides a rainwater and sewage separation treatment method, which comprises the following steps:
s10 setting parameters including a first level, a second level, and a first contaminant level; the second liquid level height is less than the first liquid level height;
s11, acquiring the liquid level in the box body 11 by using the liquid level sensor 3, and acquiring the water quality parameters in the box body 11 by using the water quality sensor 5;
s12, the liquid level sensor 3 and the water quality sensor 5 transmit the acquired data to the controller 13;
and the S13 controller 13 controls the submersible pump 9 to be started and stopped according to the received data.
In the method of the above embodiment, the liquid level sensor 3 is used to collect the liquid level in the tank 11, and the water quality sensor 5 is used to collect the water quality parameters in the tank 11. The controller 13 receives the information transmitted by the liquid level sensor 3 and the water quality sensor 5, and compares the information with the set parameters. And according to the comparison and judgment result, treating the mixed liquid of the rainwater and the sewage. The embodiment judges the converged rainwater and sewage, and if the converged rainwater and sewage meet the discharge requirement, the converged rainwater and sewage are directly discharged into a river; and if the requirements are not met, performing decontamination treatment.
As a preferred example, the step S13 includes:
setting a first condition as follows: the liquid level in the box body 11 reaches or exceeds the first liquid level; the second condition is: the level of contaminants in the liquid in the tank 11 reaches or exceeds the first level of contaminants; the third condition is: the liquid level in the tank 11 is lower than the second liquid level.
The controller 13 determines whether the first condition and the second condition are satisfied simultaneously, based on the received data:
if the first condition and the second condition are simultaneously met, controlling the submersible pump 9 to work, and conveying the liquid in the box body 11 to the water treatment device 6 by the submersible pump 9; the water treatment device 6 discharges the treated sewage from the water outlet pipe 7 out of the box body 11 and enters a river; and stopping running the submersible pump 9 if the third condition is met or the second condition is not met during the operation of the submersible pump 9.
If the first condition and the second condition are not satisfied simultaneously, the submersible pump 9 is not started, the liquid in the box body 11 is not processed by the water processing device 6, and when the liquid level rises, the liquid flows out of the box body 11 through the overflow port 12 and enters the river. During this time, if the second condition is reached, the submersible pump 9 is switched on.
In this preferred embodiment, the first liquid level height and the second liquid level height are set. The first liquid level is the liquid level at which the submersible pump 9 is normally started up. The second liquid level is a liquid level at which the submersible pump 9 is stopped after being started to operate under normal conditions. The first pollutant content is the pollutant content of the rain and sewage mixed liquid when the submersible pump 9 is normally operated. When the first condition and the second condition are simultaneously established, the submersible pump 9 is controlled to work, and the submersible pump 9 conveys the liquid in the box body 11 to the water treatment device 6. After the sewage is discharged out of the tank body 11, the liquid level in the tank body 11 is lowered, and if a third condition is met, the operation of the submersible pump 9 is stopped. The third condition is provided for protecting the submersible pump 9 from stopping operation immediately after the submersible pump starts to work and damaging equipment.
When the sewage concentration is higher and is obviously higher than the first pollutant content, no rainwater exists when the sewage flows. If rainwater enters the tank 11 after the sewage flows into the tank 11 for a certain period of time. Therefore, after the rainwater and the sewage are mixed, the pollutant content of the mixed liquid is reduced, and even the mixed liquid can be directly discharged. In order to avoid the phenomenon, in the preferred embodiment, the setting parameters further include a third liquid level height, a fourth liquid level height and a second pollutant content; the third liquid level height is lower than the first liquid level height, the fourth liquid level height is lower than the third liquid level height, and the second pollutant content is higher than the first pollutant content. In step S13, the fourth condition is further set as: the liquid level in the box body 11 is between the first liquid level and the third liquid level; the fifth condition is: the level of contaminants in the liquid in the tank 11 reaches or exceeds the second level of contaminants; the sixth condition is: the liquid level in the tank 11 is lower than the fourth liquid level. Step S13 further includes the controller 13 determining whether the fourth condition and the fifth condition are satisfied simultaneously based on the received data:
if the fourth condition and the fifth condition are simultaneously met, controlling the submersible pump 9 and the frequency converter 14 to start to work, and conveying the liquid in the box body 11 to the water treatment device 6 by the submersible pump 9; the water treatment device 6 discharges the treated sewage from the water outlet pipe 7 out of the box body 11 into a river; and during the operation of the submersible pump 9 and the frequency converter 14, if the sixth condition is met or the fifth condition is not met, stopping running the submersible pump 9 and the frequency converter 14.
If the fourth condition and the fifth condition are not satisfied simultaneously, the submersible pump 9 and the frequency converter 14 are not started.
When the sewage concentration in the tank 11 is high but the first liquid level is not reached, the submersible pump 9 is not operated. However, in the preferred embodiment, the sewage concentration is higher, and the sewage concentration does not reach the first liquid level, but reaches the third liquid level, the submersible pump 9 can be started. In view of the low liquid level, a low flow rate of sewage is delivered from the tank 11 to the water treatment device 6 by the frequency converter 14 to protect the equipment. Like this, to the higher sewage of concentration, can be timely carry out the scrubbing and handle, avoid the later stage and the rainwater after mixing, dilute the pollutant, do not reach first pollutant content, and directly discharge in the river.
In this preferred embodiment, if the fourth condition and the fifth condition are both satisfied, the submersible pump 9 and the frequency converter 14 are controlled to be operated, and the submersible pump 9 delivers the liquid in the tank 11 to the water treatment apparatus 6. After the sewage is discharged out of the tank body 11, the liquid level in the tank body 11 is lowered, and if the sixth condition is met, the operation of the submersible pump 9 is stopped. Even if the contaminant level is high, the liquid level is too low to or unfavorably to activate the submersible pump 9. The sixth condition is provided to protect the submersible pump 9 and the frequency converter 14 from stopping operation immediately after the start of operation and damaging the equipment.
In order to timely and effectively treat sewage, in step S11, the liquid level sensor 3 acquires the liquid level height in the tank 11 in real time, and the water quality sensor 5 acquires the water quality parameters in the tank 11 in real time; the S13 controller 13 judges the first condition, the second condition, the third condition, the fourth condition, the fifth condition and the sixth condition in real time according to the received data, and controls the starting and stopping of the submersible pump 9 in real time; if the fourth condition and the fifth condition are simultaneously met and the first condition and the second condition are also simultaneously met, the frequency converter 14 is turned off, and the submersible pump 9 is controlled to be started to work.
When the fourth condition, the fifth condition, the first condition and the second condition are simultaneously met, the submersible pump 9 is normally started, and the frequency converter 14 is closed. This can improve the processing efficiency.
The embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (7)
1. A rain and sewage diversion treatment device is characterized by comprising a box body (11), a controller (13), a liquid level sensor (3), a water quality sensor (5), a water treatment device (6), a submersible pump (9) and a valve (10) which are positioned in the box body (11); wherein the content of the first and second substances,
an overflow port (12) is arranged on the box body (11); the inlet end of the water treatment device (6) is connected with a submersible pump (9) through a pipeline, and the valve (10) is positioned in an outlet pipeline of the submersible pump (9); the outlet end of the water treatment device (6) is connected with the wall surface of the box body (11) through a water outlet pipe (7), and the water outlet pipe (7) is communicated with the outer side of the box body (11);
the signal output end of the liquid level sensor (3) and the signal output end of the water quality sensor (5) are respectively connected with the signal input end of the controller (13), and the signal output end of the controller (13) is in communication connection with the submersible pump (9);
the device is based on a rain and sewage diversion treatment method, which comprises the following steps:
s10 setting parameters including a first liquid level and a first contaminant content;
s11, acquiring the liquid level height in the box body (11) by using the liquid level sensor (3), and acquiring the water quality parameters in the box body (11) by using the water quality sensor (5);
s12, the liquid level sensor (3) and the water quality sensor (5) transmit the collected data to the controller (13);
the S13 controller (13) controls the submersible pump (9) to open and close according to the received data;
the step S13 includes:
setting a first condition as follows: the liquid level in the box body (11) reaches or exceeds the first liquid level; the second condition is: the content of the pollutants in the liquid in the box body (11) reaches or exceeds the first pollutant content; the third condition is: the liquid level in the box body (11) is lower than a second liquid level, and the second liquid level is lower than the first liquid level;
the controller (13) determines whether the first condition and the second condition are satisfied simultaneously, based on the received data:
if the first condition and the second condition are simultaneously met, controlling the submersible pump (9) to work, and conveying the liquid in the box body (11) to the water treatment device (6) by the submersible pump (9); the water treatment device (6) discharges the sewage from the water outlet pipe (7) out of the box body (11) and enters a river after the sewage is treated; when the submersible pump (9) is in operation, if the third condition is met or the second condition is not met, stopping running the submersible pump (9);
if the first condition and the second condition are not satisfied simultaneously, the submersible pump (9) is not started, the liquid in the box body (11) is not processed by the water processing device (6), and when the liquid level rises, the liquid flows out of the box body (11) through the overflow port (12) and enters a river; in step S10, the parameters further include a third liquid level, a fourth liquid level, and a second pollutant content; the third liquid level height is lower than the first liquid level height, the fourth liquid level height is lower than the third liquid level height, and the second pollutant content is higher than the first pollutant content;
in step S13, a fourth condition is further set to: the liquid level in the box body (11) is between the first liquid level and the third liquid level; the fifth condition is: the content of the contaminant in the liquid in the tank (11) reaches or exceeds the second contaminant content; the sixth condition is: the liquid level in the box body (11) is lower than the fourth liquid level;
step S13 further includes the controller (13) determining whether the fourth condition and the fifth condition are satisfied simultaneously based on the received data:
if the fourth condition and the fifth condition are simultaneously met, controlling the submersible pump (9) and the frequency converter (14) to start to work, and conveying the liquid in the box body (11) to the water treatment device (6) by the submersible pump (9); the water treatment device (6) discharges the sewage from the water outlet pipe (7) out of the box body (11) and enters a river after the sewage is treated; during the operation of the submersible pump (9) and the frequency converter, if the sixth condition is met or the fifth condition is not met, the operation of the submersible pump (9) and the frequency converter (14) is stopped;
if the fourth condition and the fifth condition are not satisfied simultaneously, the submersible pump (9) and the frequency converter (14) are not started.
2. Rain and sewage split treatment device according to claim 1, characterized in that the valve (10) is a one-way valve.
3. A distribution flow treatment device according to claim 1, characterized in that the overflow opening (12) is located at the top end of the tank (11).
4. The device for distributing and treating rain and sewage according to claim 1, further comprising a coupling device (8) and a guide rod (2), wherein the coupling device (8) is connected with the outer side of the box body (11), the guide rod (2) is fixedly connected with the wall body (1) containing the liquid inlet pipe (4), and the coupling device (8) is matched with the guide rod (2).
5. The device according to claim 1, characterized in that the device further comprises a frequency converter (14), the frequency converter (14) is connected between the controller (13) and the submersible pump (9), and the frequency converter (14) is in communication connection with the controller (13) and the submersible pump (9), respectively.
6. A rain sewage diversion treatment method is characterized by comprising the following steps:
s10 setting parameters including a first liquid level and a first contaminant content;
s11, acquiring the liquid level height in the box body (11) by using the liquid level sensor (3), and acquiring the water quality parameters in the box body (11) by using the water quality sensor (5);
s12, the liquid level sensor (3) and the water quality sensor (5) transmit the collected data to the controller (13);
the S13 controller (13) controls the submersible pump (9) to open and close according to the received data;
the step S13 includes:
setting a first condition as follows: the liquid level in the box body (11) reaches or exceeds the first liquid level; the second condition is: the content of the pollutants in the liquid in the box body (11) reaches or exceeds the first pollutant content; the third condition is: the liquid level in the box body (11) is lower than a second liquid level, and the second liquid level is lower than the first liquid level;
the controller (13) determines whether the first condition and the second condition are satisfied simultaneously, based on the received data:
if the first condition and the second condition are simultaneously met, controlling the submersible pump (9) to work, and conveying the liquid in the box body (11) to the water treatment device (6) by the submersible pump (9); the water treatment device (6) discharges the sewage from the water outlet pipe (7) out of the box body (11) and enters a river after the sewage is treated; when the submersible pump (9) is in operation, if the third condition is met or the second condition is not met, stopping running the submersible pump (9);
if the first condition and the second condition are not satisfied simultaneously, the submersible pump (9) is not started, the liquid in the box body (11) is not processed by the water processing device (6), and when the liquid level rises, the liquid flows out of the box body (11) through the overflow port (12) and enters a river; in step S10, the parameters further include a third liquid level, a fourth liquid level, and a second pollutant content; the third liquid level height is lower than the first liquid level height, the fourth liquid level height is lower than the third liquid level height, and the second pollutant content is higher than the first pollutant content;
in step S13, a fourth condition is further set to: the liquid level in the box body (11) is between the first liquid level and the third liquid level; the fifth condition is: the content of the contaminant in the liquid in the tank (11) reaches or exceeds the second contaminant content; the sixth condition is: the liquid level in the box body (11) is lower than the fourth liquid level;
step S13 further includes the controller (13) determining whether the fourth condition and the fifth condition are satisfied simultaneously based on the received data:
if the fourth condition and the fifth condition are simultaneously met, controlling the submersible pump (9) and the frequency converter (14) to start to work, and conveying the liquid in the box body (11) to the water treatment device (6) by the submersible pump (9); the water treatment device (6) discharges the sewage from the water outlet pipe (7) out of the box body (11) and enters a river after the sewage is treated; during the operation of the submersible pump (9) and the frequency converter, if the sixth condition is met or the fifth condition is not met, the operation of the submersible pump (9) and the frequency converter (14) is stopped;
if the fourth condition and the fifth condition are not satisfied simultaneously, the submersible pump (9) and the frequency converter (14) are not started.
7. The rainwater and sewage flow treatment method according to claim 6,
in the step S11, the liquid level sensor (3) acquires the liquid level height in the box body (11) in real time, and the water quality sensor (5) acquires the water quality parameters in the box body (11) in real time;
the S13 controller (13) judges a first condition, a second condition, a third condition, a fourth condition, a fifth condition and a sixth condition in real time according to the received data, and controls the submersible pump (9) to be started and stopped in real time;
and if the fourth condition and the fifth condition are simultaneously met and the first condition and the second condition are also simultaneously met, closing the frequency converter (14) and controlling the submersible pump (9) to start to work.
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| JP2010236190A (en) * | 2009-03-30 | 2010-10-21 | Kubota Corp | Controller for submerged pump, manhole pump device, and operation method for the manhole pump device |
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