CN218491580U

CN218491580U - Initial rainwater regulation and storage treatment system

Info

Publication number: CN218491580U
Application number: CN202221838828.0U
Authority: CN
Inventors: 冯振鹏; 刘标; 姜家良; 赵芳; 付雄; 艾庆华
Original assignee: Wisdri Engineering and Research Incorporation Ltd; Wisdri Urban Construction Engineering Technology Co Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd; Wisdri Urban Construction Engineering Technology Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-02-17
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses an initial stage rainwater regulation processing system, including first catchment district pipe network, second catchment district pipe network, first defeated box culvert, second defeated box culvert, third defeated box culvert, first reposition of redundant personnel well, second reposition of redundant personnel well, regulation pond, drainage corridor, sewage treatment plant, integration clarification plant, ecological canal, running water circulating pump, water intaking well and low reaches channel. The system realizes regulation and purification of initial rainwater and mixed sewage, ensures the water quality of drainage corridors and downstream channels, and improves the sewage treatment efficiency.

Description

Initial rainwater regulation and storage treatment system

Technical Field

The invention belongs to the field of water environment treatment, and particularly relates to an initial rainwater storage and regulation treatment system.

Background

The problem of urban non-point source pollution and rain and sewage mixed connection is gradually outstanding at present, urban initial rainwater threatens the ecological environment of a river channel, meanwhile, the management of the urban rainwater is weaker to natural rainwater, most of the initial rainwater is directly discharged into a water body, so that a large amount of pollutants are discharged into the water body, the initial rainwater pollution becomes one of main pollution sources of water pollution, more suspended or dissolved pollutants are carried in runoff initial rainwater, the pollutants enter a municipal rainwater pipe network along with the rainwater and finally flow into the urban river channel, the water quality of the river channel is poor, in addition, the speed of degrading the pollutants by microorganisms in the water area is very slow or even difficult to degrade, toxic and harmful pollutants in lake water are continuously accumulated to cause water bloom outbreak, fishes die, the water quality is deteriorated, and other adverse environmental influences are caused, and the problem of urban black and odorous water is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an initial stage rainwater regulation processing system, this system have realized reaching the regulation of connecing sewage and purifying initial stage rainwater, have guaranteed the quality of water of drainage corridor and low reaches channel, have improved sewage treatment efficiency.

The utility model adopts the technical proposal that:

an initial rainwater storage and regulation treatment system comprises a first catchment area pipe network positioned at the upstream of a catchment area, a second catchment area pipe network positioned at the downstream of the catchment area, a regulation and storage pool for collecting initial rainwater and dry season sewage in the catchment area, a drainage corridor for flood discharge, a sewage treatment plant, integrated purification equipment for temporary distributed treatment of sewage, an ecological channel for ecological purification of sewage, a running water circulating pump, a water intake well and a downstream channel for receiving clean effluent; the system comprises a first catchment area pipe network, a first diversion box culvert, a second diversion box culvert, a regulation and storage pool, a later rainwater drainage corridor, a third diversion box culvert, a second diversion well, a sewage treatment plant and an integrated purification device, wherein the effluent of the first catchment area pipe network is diverted to the first diversion well through the first diversion box culvert, the initial rainwater of the first diversion well is diverted to the regulation and storage pool through the second diversion box culvert, the later rainwater enters the downstream channel, the effluent of the regulation and storage pool is respectively connected with the sewage treatment plant and the integrated purification device, the effluent of the integrated purification device is respectively connected with the ecological channel and the downstream channel, the effluent of the ecological channel naturally overflows to the drainage corridor, a running water circulating pump is used for lifting the water in the drainage corridor to the upstream of the ecological channel to realize running water circulation, a water taking well is used for extracting the water in the drainage corridor to the integrated purification device, and the effluent of the sewage treatment plant and the drainage corridor is connected into the downstream channel.

Preferably, the drainage corridor is established as an urban landscape park channel.

Preferably, the ecological canal is provided with phytoplankton, submerged plants, an ecological floating island and aeration and oxygenation equipment.

Preferably, the volume of the storage tank is determined according to the area of the catchment area and the confluence time, so that the collected early-stage rainwater and the collected dry season sewage cannot overflow.

Preferably, the first diversion well and the second diversion well intercept initial rainwater by setting a certain interception depth, and the water quantity with the depth of 4 mm-8 mm is used as the intercepted water quantity of the catchment area.

Preferably, the water intake well is located downstream of the running water circulation pump.

The utility model has the advantages that:

when in work: the first catchment area pipe network, the second catchment area pipe network, the first transfer box culvert, the second transfer box culvert, the third transfer box culvert, the first diversion well and the second diversion well realize the collection, transfer and interception of initial rainwater and mixed sewage in the catchment area, ensure the interception of the initial rainwater and the mixed sewage to a regulation and storage pool, and prevent the initial rainwater and the sewage from entering a downstream channel to cause the blackness and the odor of a water body; the regulation and storage tank realizes the regulation and storage of the collected initial rainwater and the mixed sewage, and improves the regulation capacity and the shock load resistance capacity of sewage interception and purification of the system; the drainage corridor ensures that rainwater in the catchment area can be quickly drained to a downstream channel in time when heavy rainstorm comes, so that system failure is avoided; the regulation and storage tank conveys initial rainwater and mixed sewage to a sewage treatment plant for treatment, the initial rainwater and the mixed sewage are discharged to a downstream channel after the treatment of the sewage treatment plant, when the treated water quantity of the sewage treatment plant cannot meet the water quantity requirement of the system, the discharged water of the regulation and storage tank is switched to integrated purification equipment, the integrated purification equipment temporarily purifies the discharged water of the regulation and storage tank, the water quality after the treatment of the integrated purification equipment meets the standard and can be discharged into the downstream channel, if the water quality does not meet the standard, the discharged water is naturally overflowed to a drainage corridor, a running water circulating pump lifts the water in the drainage corridor to the upstream of the ecological channel, and then the ecological purification treatment is continuously carried out by the ecological channel, so that running water circulation of the drainage corridor and the ecological channel is realized, the water body is prevented from being black and odorous, the water quality in the drainage corridor can be discharged into the downstream channel, when the water quality in the drainage corridor is poor, water in the water taking work pumps the water in the drainage corridor to the integrated purification equipment, then the integrated purification equipment carries out purification treatment, and the water of multiple water sources is purified by the integrated purification equipment.

The system realizes regulation and purification of initial rainwater and mixed sewage, ensures the water quality of drainage corridors and downstream channels, improves the sewage treatment efficiency, and plays an important role in urban water environment improvement and stable and efficient operation of water environment.

Drawings

Fig. 1 is a schematic diagram of an initial rainwater regulation and storage processing system in an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1, an initial rainwater storage and regulation treatment system comprises a first catchment area pipe network located at the upstream of a catchment area, a second catchment area pipe network located at the downstream of the catchment area, a storage pond for collecting initial rainwater and dry season sewage in the catchment area, a drainage corridor for flood discharge, a sewage treatment plant, an integrated purification device for temporary distributed sewage treatment, an ecological channel for ecological sewage purification, a running water circulating pump, a water intake well and a downstream channel for receiving clean effluent; the system comprises a first catchment area pipe network, a first diversion box culvert, a second diversion box culvert, a regulation and storage pool, a later rainwater drainage corridor, a third diversion box culvert, a second diversion well, a sewage treatment plant and an integrated purification device, wherein the effluent of the first catchment area pipe network is diverted to the first diversion well through the first diversion box culvert, the initial rainwater of the first diversion well is diverted to the regulation and storage pool through the second diversion box culvert, the later rainwater enters the downstream channel, the effluent of the regulation and storage pool is respectively connected with the sewage treatment plant and the integrated purification device, the effluent of the integrated purification device is respectively connected with the ecological channel and the downstream channel, the effluent of the ecological channel naturally overflows to the drainage corridor, a running water circulating pump is used for lifting the water in the drainage corridor to the upstream of the ecological channel to realize running water circulation, a water taking well is used for extracting the water in the drainage corridor to the integrated purification device, and the effluent of the sewage treatment plant and the drainage corridor is connected into the downstream channel.

As shown in fig. 1, in operation: the first catchment area pipe network, the second catchment area pipe network, the first transfer box culvert, the second transfer box culvert, the third transfer box culvert, the first diversion well and the second diversion well realize the collection, transfer and interception of initial rainwater and mixed sewage in the catchment area, ensure that the initial rainwater and the mixed sewage are intercepted to the regulation and storage tank, and prevent the initial rainwater and the sewage from entering a downstream channel to cause black and odorous water; the regulation and storage tank realizes the regulation and storage of the collected initial rainwater and the mixed sewage, and improves the regulation capacity and the shock load resistance capacity of sewage interception and purification of the system; the drainage corridor ensures that rainwater in the catchment area can be quickly drained to a downstream channel in time when heavy rainstorm comes, so that system failure is avoided; the regulation and storage tank conveys initial rainwater and mixed sewage to a sewage treatment plant for treatment, the initial rainwater and the mixed sewage are discharged to a downstream channel after the treatment of the sewage treatment plant, when the treated water quantity of the sewage treatment plant cannot meet the water quantity requirement of the system, the discharged water of the regulation and storage tank is switched to integrated purification equipment, the integrated purification equipment temporarily purifies the discharged water of the regulation and storage tank, the water quality after the treatment of the integrated purification equipment meets the standard and can be discharged into the downstream channel, if the water quality does not meet the standard, the discharged water is naturally overflowed to a drainage corridor, a running water circulating pump lifts the water in the drainage corridor to the upstream of the ecological channel, and then the ecological purification treatment is continuously carried out by the ecological channel, so that running water circulation of the drainage corridor and the ecological channel is realized, the water body is prevented from being black and odorous, the water quality in the drainage corridor can be discharged into the downstream channel, when the water quality in the drainage corridor is poor, water in the water taking work pumps the water in the drainage corridor to the integrated purification equipment, then the integrated purification equipment carries out purification treatment, and the water of multiple water sources is purified by the integrated purification equipment.

In this embodiment, the drainage corridor is preferably constructed as a channel of an urban landscape park, and can serve multiple functions of landscape, leisure, flood discharge, ecology and the like.

In this embodiment, preferably, the ecological canal is provided with phytoplankton, submerged plants, an ecological floating island and aeration and oxygenation equipment, so that the purification effect of initial rainwater and sewage is greatly improved, and a good urban landscape effect is achieved.

In this embodiment, the volume of the storage tank is preferably determined according to the area of the catchment area and the confluence time, so as to ensure that the collected initial rainwater and the collected dry season sewage do not overflow.

In this embodiment, it is preferable that the first and second diversion wells intercept initial rainwater by setting a certain interception depth, and determine the intercepted water amount in rainy days according to "design standard for outdoor drainage" by using the water amount of 4mm to 8mm as the intercepted water amount in the catchment area.

In this embodiment, the water intake well is preferably located downstream of the running water circulation pump.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides an initial stage rainwater regulation processing system which characterized in that: the system comprises a first catchment area pipe network positioned at the upstream of a catchment area, a second catchment area pipe network positioned at the downstream of the catchment area, a regulation and storage pool for collecting initial rainwater and dry-season sewage in the catchment area, a drainage corridor for flood discharge, a sewage treatment plant, integrated purification equipment for temporary distributed sewage treatment, an ecological channel for ecologically purifying sewage, a running water circulating pump, a water taking well and a downstream channel for receiving clean water; the system comprises a first catchment area pipe network, a first diversion box culvert, a second diversion box culvert, a regulation and storage pool, a later rainwater drainage corridor, a third diversion box culvert, a second diversion well, a sewage treatment plant and an integrated purification device, wherein the effluent of the first catchment area pipe network is diverted to the first diversion well through the first diversion box culvert, the initial rainwater of the first diversion well is diverted to the regulation and storage pool through the second diversion box culvert, the later rainwater enters the downstream channel, the effluent of the regulation and storage pool is respectively connected with the sewage treatment plant and the integrated purification device, the effluent of the integrated purification device is respectively connected with the ecological channel and the downstream channel, the effluent of the ecological channel naturally overflows to the drainage corridor, a running water circulating pump is used for lifting the water in the drainage corridor to the upstream of the ecological channel to realize running water circulation, a water taking well is used for extracting the water in the drainage corridor to the integrated purification device, and the effluent of the sewage treatment plant and the drainage corridor is connected into the downstream channel.

2. The initial rainwater conditioning and treatment system according to claim 1, wherein: the drainage corridor is built as a channel of the urban landscape park.

3. The initial rainwater conditioning and treatment system according to claim 1, wherein: the ecological canal is provided with phytoplankton, submerged plants, an ecological floating island and aeration and oxygenation equipment.

4. The initial rainwater conditioning and treatment system according to claim 1, wherein: the volume of the storage tank is determined according to the area of the catchment area and the confluence time, so that the collected initial rainwater and the collected dry season sewage cannot overflow.

5. The initial rainwater conditioning and treatment system according to claim 1, wherein: the first diversion well and the second diversion well intercept initial rainwater by setting a certain interception depth, and the water volume with the depth of 4-8 mm is used as the interception water volume of the catchment area.

6. The initial rainwater conditioning and treatment system according to claim 1, wherein: the water taking well is positioned at the downstream of the running water circulating pump.