CN218346359U

CN218346359U - Municipal administration groundwater pollution treatment system

Info

Publication number: CN218346359U
Application number: CN202222428599.1U
Authority: CN
Inventors: 李佩
Original assignee: Huzhou Zhongheng Garden Construction Co ltd
Current assignee: Huzhou Zhongheng Garden Construction Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-20
Anticipated expiration: 2032-09-14

Abstract

The invention discloses a municipal underground water pollution treatment system, which relates to the field of municipal drainage and adopts the technical scheme that the municipal underground water pollution treatment system comprises a rainwater collecting pipe network, a filter tank, a reservoir and a water consumption point which are connected by pipelines, wherein the filter tank is also connected with an outdoor rainwater collecting and discharging pipeline which is connected with a municipal rainwater pipe network; the filtering tank comprises rainwater treatment equipment, the rainwater treatment equipment is provided with a water outlet pipe positioned in the middle and a water outlet positioned in the lower part, the water outlet pipe is connected with a mechanical initial rainwater remover, the initial rainwater remover is connected into the water storage tank through a pipeline, and the water outlet pipe is connected to an outdoor rainwater collecting and discharging pipeline. The rain-proof water-retaining agent has the advantages of good elasticity, water absorption, water storage, water seepage and water purification in rain, and the stored water is released and utilized when needed.

Description

Municipal administration groundwater pollution treatment system

Technical Field

The invention relates to the field of municipal drainage, in particular to a municipal underground water pollution treatment system.

Background

The sponge city is a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water when raining, and releases and utilizes the stored water when needed. Sponge city construction should follow ecological priority principle etc. combines together natural way and artificial measures, under the prerequisite of guaranteeing urban drainage waterlogging prevention safety, furthest realizes that rainwater stores up, permeates and purifies in the urban area, promotes the utilization of rainwater resource and ecological environment protection. In the sponge city construction process, the systematicness of natural rainfall, surface water and underground water is planned, water recycling links such as water supply and drainage are coordinated, and the complexity and the long-term property of the links are considered.

The rainwater garden is a shallow-concave green land which is built by simulating the collection and leakage of rainwater in nature, is mainly used for collecting and absorbing rainwater from a roof or the ground, and purifies the leaked rainwater through the comprehensive action of plants and various filling layers, and the purified rainwater can not only supply underground water, but also be used as urban living miscellaneous water. However, the existing rainwater garden has limited water seepage capability, and if rainstorm or extra flood occurs, rainwater cannot penetrate into the ground and overflows to a hardened road surface to form accumulated water.

Disclosure of Invention

The invention aims to provide a municipal underground water pollution treatment system which has the advantages of good elasticity, water absorption, water storage, water seepage and water purification in rainy days, and release and utilization of the stored water when needed.

The technical purpose of the invention is realized by the following technical scheme:

a municipal underground water pollution treatment system comprises a rainwater collecting pipe network, a filter tank, a reservoir and water consumption points which are connected through pipelines, wherein the filter tank is also connected with an outdoor rainwater collecting and discharging pipeline which is connected with a municipal rainwater pipe network;

the filtering tank comprises rainwater treatment equipment, the rainwater treatment equipment is provided with a water outlet pipe positioned in the middle and a water outlet positioned in the lower part, the water outlet pipe is connected with a mechanical initial rainwater remover through a pipeline, the initial rainwater remover is connected into the water storage tank through a pipeline, and the water outlet pipeline is connected to an outdoor rainwater collecting and discharging pipeline.

Further setting: the rainwater treatment equipment is a centrifugal filter with a filtering hole of 0.28mm.

Further setting: the rainwater treatment equipment is a 3P distributed rainwater treatment device.

Further setting: the water outlet pipe corresponds to the middle position of the safe flow distributing well, the water outlet corresponds to the lower position of the safe flow distributing well, and a stainless steel filtering unit is arranged at the water outlet of the safe flow distributing well.

Further setting: the pipeline that initial stage rainwater excluder is connected to in the cistern is the wet return, the conflict of wet return to the bottom of cistern, and is equipped with the head that slows down on the tube head of contradicting.

Further setting: be equipped with rainwater clarification plant between cistern and the water spot, be equipped with the extraction tube in the cistern and connect the draw-out device of extraction tube, the extraction tube is contradicted to the bottom of cistern, and the tube head of this department is equipped with the floater head of fetching water.

Further setting: the cistern still is equipped with the overflow mouth, and the overflow mouth sets up the overflow ware to be connected to municipal administration rainwater pipe network.

Further setting: the bottom of filtering ponds and cistern all is equipped with the basis, and the basis divides no groundwater basis and has groundwater basis at least, no groundwater basis includes first plain soil layer, first sand cushion layer from bottom to top, has groundwater basis including C15 level concrete layer, second sand cushion layer and the second plain soil layer from bottom to top.

In conclusion, the invention has the following beneficial effects:

firstly, the rainwater treatment equipment is adopted to complete the filtering and garbage removing work, so that the rainwater treatment equipment does not need electricity and has self-cleaning efficiency. Filtered rainwater automatically flows to the initial rainwater remover, the mechanical initial rainwater remover removes rainwater with poor initial water quality, and the removal amount completely meets the national standard.

Secondly, when the water level reaches the ultrahigh water level, the rainwater diversion and drainage device shunts the redundant rainwater and directly discharges the redundant rainwater to the municipal rainwater pipe network, has better drainage capability, effectively stores water and effectively drains the water, and realizes water regulation, storage, discharge and rainwater collection and reuse.

Drawings

FIG. 1 is a schematic flow diagram of a municipal groundwater pollution treatment system;

FIG. 2 is a schematic diagram of the construction of a municipal groundwater pollution treatment system;

FIG. 3 is a schematic vertical cross-sectional view of a stormwater treatment device;

fig. 4 is a schematic transverse cross-sectional view of a stormwater treatment device.

In the figure, 100, a rainwater collecting pipe network; 200. a filtering tank; 300. a reservoir; 301. a water return pipe; 302. a flow slowing head; 303. an overflow port; 304. an overflow device; 400. water consumption; 500. a municipal storm water pipe network;

700. a rainwater treatment facility; 701. a safe diversion well; 702. a water outlet pipe; 703. a mechanical initial rainwater drainer; 704. a water outlet; 705. an outdoor rainwater collecting and discharging pipeline; 706. a stainless steel filter unit;

800. a foundation; 801. a first plain soil layer; 802. a first sand cushion layer; 803. no underground water foundation exists; 804. a second sand cushion layer; 805. a second vegetable soil layer; 806. a C15 concrete layer; 807. the underground water foundation is provided;

900. a rainwater purification device; 901. an extraction pipe; 902. a floating ball water intake head; 903. and (4) an extraction device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

First preferred embodiment:

a municipal groundwater pollution treatment system is shown in figure 1 and comprises a rainwater collecting pipe network 100, a filter tank 200, a water storage tank 300 and a water consumption point 400 which are connected through pipelines, wherein the filter tank 200 is further connected with an outdoor rainwater collecting and discharging pipeline 705, the outdoor rainwater collecting and discharging pipeline is connected with a municipal rainwater pipe network 500, and the above connections are all pipeline connections. The system is used for realizing rainwater regulation, storage, drainage and rainwater collection and reuse.

Further, as shown in fig. 2, 3 and 4, the filtering tank 200 includes rainwater treatment devices 700, and the types of the rainwater treatment devices 700 are divided into two types, and in the present embodiment, preferably, the rainwater treatment devices 700 are centrifugal filters with a filtering hole size of 0.28mm. By using the rainwater treatment equipment 700, the filtering and garbage removing work can be completed by using the equipment without electricity, and the rainwater treatment equipment has self-cleaning efficiency. Filtered rainwater automatically flows to the initial rainwater remover, the mechanical initial rainwater remover removes rainwater with poor initial water quality, the removal amount completely meets the national standard, and the whole process is completely free of power.

The 3P distributed rainwater processor can be another type, and is configured according to field conditions. The device carries out rainwater treatment according to the following steps: precipitating, adsorbing, filtering and chemically precipitating.

The rainwater treatment device 700 is installed in the safe diversion well 701, water outlet pipes 702 are arranged in the middle of the safe diversion well 701 and the rainwater treatment device 700, the water outlet pipes 702 are connected with a mechanical initial rainwater remover 703 through pipelines, and the mechanical initial rainwater remover 703 is connected into the water storage tank 300 through pipelines.

Safety trap 701 and rainwater treatment facility 700 each have a drain 704 at the lower portion. The drain 704 is piped to an outdoor rainwater collection drain 705. The safety diversion well 701 is mainly used for diverting redundant rainwater when the collection system reaches an ultrahigh water level, and directly discharging the redundant rainwater to the municipal rainwater pipe network 500.

A stainless steel filter unit 706 is disposed at the water outlet 704 of the safety diversion well 701. Can intercept great granule impurity in the rainwater, make it can not get into the downside and collect the position, and directly arrange to municipal rainwater pipe network 500, guarantee to collect comparatively clean rainwater.

Further, the pipe of the mechanical initial rainwater remover 703 connected to the water storage 300 is a water return pipe 301, the water return pipe 301 is located at one side of the water storage 300, the water return pipe 301 at the side butts against the bottom of the water storage 300, and a head of the butts against is provided with a flow slowing head 302. The other side of the reservoir 300 is further provided with an overflow port 303, and the overflow port 303 is provided with an overflow device 304 and is connected to the municipal rainwater pipe network 500.

As shown in fig. 2, the bases 800 are arranged at the bottoms of the filtering ponds 200 and the water reservoirs 300, the bases 800 are divided into at least a non-groundwater base 803 and a groundwater base 800, the non-groundwater base 803 comprises a first plain soil layer 801 and a first sand cushion layer 802 from bottom to top, and the groundwater base 800 comprises a C15-grade concrete layer 806, a second sand cushion layer 804 and a second plain soil layer 805 from bottom to top.

Another preferred embodiment: the difference from the first preferred embodiment is. A rainwater purification device 900 is arranged between the water storage tank 300 and the water consumption point 400, an extraction pipe 901 and an extraction device 903 connected with the extraction pipe 901 are arranged in the water storage tank 300, the extraction pipe 901 abuts against the bottom of the water storage tank 300, and a floating ball water taking head 902 is arranged at the pipe head of the extraction pipe 901. The water after the rainwater purification apparatus 900 can be used for flushing toilets, vehicles, roads, and landscaping irrigation. A municipal groundwater pollution treatment system is shown in figure 1 and comprises a rainwater collecting pipe network 100, a filter tank 200, a reservoir 300 and a water consumption point 400 which are connected through pipelines, wherein the filter tank 200 is further connected with an outdoor rainwater collecting and discharging pipeline 705, the outdoor rainwater collecting and discharging pipeline is connected with a municipal rainwater pipe network 500, and the above connections are all pipeline connections. The system is used for realizing rainwater regulation, storage, drainage and rainwater collection and reuse.

The rainwater treatment device 700 is installed in the safe diversion well 701, the safe diversion well 701 and the rainwater treatment device 700 are both provided with a water outlet pipe 702 in the middle, the water outlet pipe 702 is connected with a mechanical initial rainwater remover 703 through a pipeline, and the initial rainwater remover is connected into the reservoir 300 through a pipeline.

Further, the pipe of the initial rainwater remover connected to the water reservoir 300 is a water return pipe 301, the water return pipe 301 is located at one side of the water reservoir 300, the water return pipe 301 at the side collides with the bottom of the water reservoir 300, and a head of the collided pipe is provided with a flow slowing head 302. The other side of the reservoir 300 is further provided with an overflow port 303, and the overflow port 303 is provided with an overflow device 304 and is connected to the municipal rainwater pipe network 500.

Another preferred embodiment: the difference from the first preferred embodiment is. A rainwater purification device 900 is arranged between the water storage tank 300 and the water consumption point 400, an extraction pipe 901 and an extraction device 903 connected with the extraction pipe 901 are arranged in the water storage tank 300, the extraction pipe 901 is abutted to the bottom of the water storage tank 300, and a floating ball water taking head 902 is arranged at the pipe head of the extraction pipe 901. The water after the rainwater purification apparatus 900 can be used for flushing toilets, vehicles, roads, and landscaping irrigation.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading this specification, but only fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a municipal administration groundwater pollution treatment system which characterized in that: the rainwater collecting and discharging system comprises a rainwater collecting pipe network (100), a filtering tank (200), a water storage tank (300) and a water consumption point (400) which are connected through pipelines, wherein the filtering tank (200) is also connected with an outdoor rainwater collecting and discharging pipeline (705), and the outdoor rainwater collecting and discharging pipeline (705) is connected with a municipal rainwater pipe network (500);

the filtering tank (200) comprises rainwater treatment equipment (700), the rainwater treatment equipment (700) is provided with a water outlet pipe (702) located in the middle and a water outlet (704) located in the lower portion, the water outlet pipe (702) is connected with a mechanical initial rainwater remover (703) through a pipeline, the mechanical initial rainwater remover (703) is connected into the water storage tank (300) through a pipeline, and the water outlet (704) is connected to an outdoor rainwater collecting and discharging pipeline (705) through a pipeline.

2. The municipal groundwater pollution treatment system according to claim 1, wherein: the rainwater treatment equipment (700) is a centrifugal filter with a filtering hole of 0.28mm.

3. The municipal groundwater pollution treatment system according to claim 1, wherein: the rainwater treatment equipment (700) is a 3P distributed rainwater treatment device.

4. The municipal groundwater pollution treatment system according to claim 1, wherein: still include safe reposition of redundant personnel well (701), outlet pipe (702) correspond the middle part position of safe reposition of redundant personnel well (701), and drain outlet (704) correspond the lower part position of safe reposition of redundant personnel well (701), drain outlet (704) department of safe reposition of redundant personnel well (701) is equipped with stainless steel filter unit (706).

5. The municipal groundwater pollution treatment system according to claim 1, wherein: the mechanical initial rainwater remover (703) is connected to a pipeline in the water storage tank (300) and is a water return pipe (301), the water return pipe (301) is abutted to the bottom of the water storage tank (300), and a flow slowing head (302) is arranged on a abutted pipe head.

6. The municipal groundwater pollution treatment system according to claim 1, wherein: a rainwater purification device (900) is arranged between the water storage tank (300) and the water consumption point (400), an extraction pipe (901) and an extraction device (903) connected with the extraction pipe (901) are arranged in the water storage tank (300), the extraction pipe (901) is abutted to the bottom of the water storage tank (300), and a pipe head at the position is provided with a floating ball water taking head (902).

7. The municipal groundwater pollution treatment system according to claim 1, wherein: the water storage tank (300) is also provided with an overflow port (303), the overflow port (303) is provided with an overflow device (304) and is connected to a municipal rainwater pipe network (500).

8. The municipal groundwater pollution treatment system according to claim 1, wherein: the bottom of the filter tank (200) and the bottom of the reservoir (300) are both provided with a foundation (800), the foundation (800) is at least divided into a non-groundwater foundation (803) and a groundwater foundation (800), the non-groundwater foundation (803) comprises a first plain soil layer (801) and a first sand cushion layer (802) from bottom to top, and the groundwater foundation (800) comprises a C15-grade concrete layer (806), a second sand cushion layer (804) and a second plain soil layer (805) from bottom to top.