CN210395573U

CN210395573U - Precision rain and sewage mixing regulation and control system considering initial rainwater discarding and peak regulation

Info

Publication number: CN210395573U
Application number: CN201920559097.8U
Authority: CN
Inventors: 董紫君; 尹文超; 卢兴超; 姜成春
Original assignee: Shenzhen Polytechnic
Current assignee: Shenzhen Polytechnic
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-04-24
Anticipated expiration: 2029-04-23

Abstract

The utility model provides a compromise accurate rain dirty mixed regulation and control system of initial rainwater abandon flow and flood peak regulation, including rainwater inlet pipe, rainwater outlet pipe, cut dirty pipeline, reposition of redundant personnel pond and regulation pond, rainwater inlet pipe connects the reposition of redundant personnel pond, and the reposition of redundant personnel pond is through cutting dirty union coupling and cutting dirty trunk line, is equipped with the device that opens and shuts between reposition of redundant personnel pond and cut dirty pipe; the flow dividing tank is connected with a municipal rainwater main pipe through a rainwater outlet pipeline; the reposition of redundant personnel pond communicates with each other through overflow arrangement and regulation pond, be equipped with controlling means in the regulation pond, can be according to water level height in the regulation pond, do not arrange moisture into municipal rainwater main pipe and cut in the dirty main pipe. The system shunts initial rainwater and cuts dirty, and the comparatively clear rainwater of middle and later stages is discharged into municipal administration downspout to come temporarily at the flood peak, also can in time shunt the blowdown, have accurate characteristics.

Description

Precision rain and sewage mixing regulation and control system considering initial rainwater discarding and peak regulation

Technical Field

The utility model relates to a compromise accurate dirty mixed regulation and control system of rain that initial stage rainwater was abandoned and is flowed and peak regulation and storage belongs to confluence system overflow pollution control and urban waterlogging prevention and cure technical field.

Background

With the current promotion of sponge city and ecological civilized city construction, the treatment of urban black and odorous water becomes the central importance of water environment quality improvement. The urban water environment problem is manifested in a water body, the root is on the shore, the key is at a discharge port, and the core is in a pipe network. Point source pollution and surface source pollution of cities are important reasons for causing black and odorous urban water bodies, the point source pollution mainly comes from domestic sewage and industrial wastewater, in the past urban construction, due to the limitation of urban development, a combined drainage system is mostly adopted, particularly in old urban areas, the domestic sewage and the industrial wastewater are discharged into a sewage treatment plant for treatment in dry days, rainwater is mixed with the sewage wastewater in rainy days, one part of mixed water enters the sewage treatment plant, the other part of mixed water is discharged into a river channel due to insufficient interception multiple, and the water quality of the river channel is gradually deteriorated for a long time; the non-point source pollution is mainly surface runoff pollution caused by rainfall in cities, and particularly the pollution of initial runoff rainwater causes great harm to urban water environment. Although various measures are taken in each city to eliminate combined system overflow pollution and initial rainwater runoff pollution at present, a large amount of mixed sewage with serious pollution is still discharged into a water body in rainy seasons, and the reason is that an effective and accurate combined system sewage interception measure and method are lacked.

The combined drainage system is used for discharging domestic sewage in dry days and rainwater in rainy days. At present along with global warming, the extremely strong rainfall of short duration takes place occasionally, and the increase of flood peak flow leads to the urban waterlogging problem constantly to take place, and old urban area is that the city construction is more perfect region, and the majority adopts confluence system drainage pipe network, and its extension is big with the transformation degree of difficulty, and the input cost is high, can't realize in a lot of old urban areas. The rainwater regulation and storage tank is arranged at the middle part or the tail end of the pipeline, so that the peak flow in the pipeline can be effectively reduced, the pipeline pressure is reduced, the water delivery and drainage capacity of a pipe network is improved, the occurrence of waterlogging is reduced, and the safety of people and property is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model discloses both be to present confluence system overflow pollution, the above-mentioned not enough that exists among the initial stage rainfall runoff pollution treatment, also to confluence system pipe network transformation degree of difficulty big, nevertheless there is flood risk problem, provides a compromise initial stage rainwater and abandon the accurate dirty mixed regulation and control system of rain that flows and the peak regulation holds.

Particularly, the precision rain and sewage mixing regulation and control system considering initial rainwater drainage and peak regulation comprises a rainwater inlet pipeline, a rainwater outlet pipeline, a sewage interception pipe, a diversion pool and a regulation and storage pool, wherein the rainwater inlet pipeline is connected with the diversion pool, the diversion pool is connected with a sewage interception main pipe through the sewage interception pipe, and an opening and closing device is arranged between the diversion pool and the sewage interception pipe; the flow dividing tank is connected with a municipal rainwater main pipe through a rainwater outlet pipeline; the reposition of redundant personnel pond communicates with each other through overflow arrangement and regulation pond, be equipped with controlling means in the regulation pond, can be according to water level height in the regulation pond, do not arrange moisture into municipal rainwater main pipe and cut in the dirty main pipe.

Further, controlling means for setting up upper liquid level probe, middle level liquid level probe and bottom liquid level probe that are used for responding to the water level height in the regulation pond, still be equipped with the pump drainage pump of pumping into municipal administration rainwater trunk with the high-order water in the regulation pond to and the stealthily dirty pump of the dry pipe of intercepting is arranged into to the bottom sewage of regulation pond.

Furthermore, the bottom layer sewage of the storage tank enters the sewage intercepting inspection well through the sewage discharge pipe and then is connected with the sewage intercepting main pipe.

Further, the device that opens and shuts include controller, the control flap that dams and the quality of water probe, the quality of water probe is used for detecting the concentration of mixing sewage in the reposition of redundant personnel pond, control flap setting that dams is at the reposition of redundant personnel pond and cut between the dirty pipe, controller control that dams opens and shuts of control flap.

Furthermore, the overflow device is a flood peak overflow weir.

Furthermore, the flow distribution tank is also provided with a flow distribution tank detection inlet.

Further, the regulation pond still is equipped with regulation pond and detects the entry.

Compromise initial stage rainwater and abandon the dirty regulation and control system of accurate rain that flows and peak regulation and storage, can shunt initial stage rainwater and cut dirty, arrange into municipal rainwater pipe with the comparatively clear rainwater in middle and later stages to come interim at the peak flood, also can in time shunt the blowdown, have accurate characteristics.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A1-A1 of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line A2-A2 of FIG. 1;

wherein, 10-rainwater inlet pipeline, 11 is a diversion pool, 12-1 is a cut-off control valve, 12-2 is a cut-off controller, 13 is a sewage interception pipe, 14 is a water quality probe, 15 is a flood peak overflow weir, 16 is a rainwater outlet pipeline, 17 is a municipal rainwater dry pipe, 18 is a regulation pool, 19 is an upper liquid level probe, 20 is a pump drainage pump, 21 is a middle liquid level probe, 22 is a submersible sewage pump, 23 is a pump drainage pipe, 24 is a sewage drainage pipe, 25 is a cut-off inspection well, 26 is a cut-off dry pipe, 27 is a bottom liquid level probe, 28 is a reservoir detection inlet, and 29 is a diversion pool detection inlet.

Detailed Description

It is following to combine the attached drawing, right compromise initial stage rainwater abandon flow and the accurate dirty mixed regulation and control system of rain peak regulation and storage, carry out non-limiting explanation.

As shown in fig. 1-4, compromise accurate dirty mixed regulation and control system of rain that initial stage rainwater was abandoned and is flowed and peak regulation holds, its theory of operation as follows: in dry weather, sewage enters the diversion tank 11 through the rainwater inlet pipeline 10, passes through the sewage interception pipe 13 in the diversion tank 11, and is directly discharged into a sewage treatment plant through the sewage interception main pipe 26, and at the moment, the interception control valve 12-1 is in a closed state.

In rainy days, initial rainwater and sewage enter the diversion pool 11 through the rainwater inlet pipeline 10, and preferentially enter the sewage interception pipe 13 in the diversion pool 11; when the rainwater is increased, the concentration of the mixed sewage is reduced, the concentration reaches the set critical value of the water quality probe 14 in the diversion pool, the interception controller 12-2 controls the interception control valve 12-1 to be started, the interception pipe 13 in the diversion pool 11 is closed, the mixed sewage is continuously stored in the diversion pool 11, and when the rainwater reaches a certain height, the mixed sewage is directly discharged into the municipal rainwater trunk pipe 17 through the rainwater outlet pipe 16.

The liquid level of the diversion pool 11 is continuously improved along with the continuous propulsion of the flood peak caused by the increase of rainfall, when the height of the flood peak overflow weir 15 is reached, the excess part overflows into the regulating and storing pool 18, at the moment, the regulating and storing pool 18 starts to store the flood peak rainwater, when the water level in the regulating and storing pool 18 reaches the upper liquid level probe 19, the pumping and draining pump 20 starts to pump and drain the water in the regulating and storing pool 18 into the municipal rainwater trunk pipe 17 through the pumping and draining pipe 23, and when the water level in the regulating and storing pool 18 is continuously reduced and reaches the middle liquid level probe 21, the pumping and draining pump 20 stops working; in order to prevent the secondary pollution caused by the deposited sewage in the storage tank 18, the submersible sewage pump 22 starts to work, the sewage at the bottom of the storage tank 18 enters the sewage interception inspection well 25 through the sewage discharge pipe 24 and then enters the treatment plant through the sewage interception main pipe 26, when the liquid level drops to the bottom liquid level probe 27 of the storage tank 18, the submersible sewage pump 22 stops working, and the storage tank 18 is in a normal water storage state. To facilitate inspection and maintenance of the diversion basins and the regulation basins, reservoir inspection inlets 28 and diversion basin inspection inlets 29 are provided, respectively.

It should be understood that the above-mentioned description including the drawings is not intended to limit the technical solutions, and in fact, the technical solutions may be modified under the same or similar principle, including the shape, size, material used, and equivalent replacement of the same or similar functional elements of each part of the device in the system, and the technical solutions obtained thereby are all within the technical solutions required by the present invention.

Claims

1. The utility model provides a compromise initial stage rainwater and abandon a class and the dirty mixed regulation and control system of accurate rain that holds of peak regulation, its characterized in that: the rainwater sewage treatment system comprises a rainwater inlet pipeline, a rainwater outlet pipeline, a sewage interception pipe, a diversion pool and a storage pool, wherein the rainwater inlet pipeline is connected with the diversion pool, the diversion pool is connected with a sewage interception main pipe through a sewage interception pipe, and an opening and closing device is arranged between the diversion pool and the sewage interception pipe; the flow dividing tank is connected with a municipal rainwater main pipe through a rainwater outlet pipeline; the reposition of redundant personnel pond communicates with each other through overflow arrangement and regulation pond, be equipped with controlling means in the regulation pond, can be according to water level height in the regulation pond, do not arrange moisture into municipal rainwater main pipe and cut in the dirty main pipe.

2. The accurate rain and sewage mixing regulation and control system considering initial rainwater drainage and peak regulation according to claim 1, is characterized in that: the control device is an upper layer liquid level probe, a middle layer liquid level probe and a bottom layer liquid level probe which are arranged in the regulating and storing tank and used for sensing the height of the water level, and the regulating and storing tank is also internally provided with a pumping and discharging pump for pumping and discharging high-level water into a municipal administration rainwater main pipe and a submersible sewage pump for discharging bottom sewage of the regulating and storing tank into a sewage intercepting main pipe.

3. The accurate rain and sewage mixing regulation and control system considering initial rainwater drainage and peak regulation according to claim 2, is characterized in that: and the bottom layer sewage of the storage tank enters the sewage intercepting inspection well through the sewage discharge pipe and then is connected with the sewage intercepting main pipe.

4. The precision rainwater and sewage mixed regulation and control system combining initial rainwater drainage and peak regulation according to any one of claims 1 to 3, wherein the system comprises: the device that opens and shuts include cut-off controller, control flap and water quality probe, water quality probe is used for detecting the concentration of mixing sewage in the reposition of redundant personnel pond, control flap setting cut-off is between reposition of redundant personnel pond and cut dirty pipe, the controller that cuts off controls the opening and shutting of control flap.

5. The precision rainwater and sewage mixed regulation and control system combining initial rainwater drainage and peak regulation according to any one of claims 1 to 3, wherein the system comprises: the overflow device is a flood peak overflow weir.

6. The precision rainwater and sewage mixed regulation and control system combining initial rainwater drainage and peak regulation according to any one of claims 1 to 3, wherein the system comprises: the flow distribution tank is also provided with a flow distribution tank detection inlet.

7. The precision rainwater and sewage mixed regulation and control system combining initial rainwater drainage and peak regulation according to any one of claims 1 to 3, wherein the system comprises: the regulation pond still is equipped with the regulation pond and detects the entry.