CN212800054U

CN212800054U - Rainwater collecting and recycling system with steel concrete structure

Info

Publication number: CN212800054U
Application number: CN202021324193.3U
Authority: CN
Inventors: 宗福林; 宗丹
Original assignee: Nanjing Kaicheng Environmental Protection Technology Co ltd
Current assignee: Tuo Bican
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-26
Anticipated expiration: 2030-07-08

Abstract

The utility model relates to a rainwater collection and reuse system of a steel concrete structure, which comprises an abandoned well, a sand settling tank, a sedimentation tank, a filter tank and a clear water tank. The abandoned well is connected with a rainwater inlet pipe and a rainwater drainage pipe, a grid plate is arranged under the outlet of the rainwater inlet pipe, a liquid level controller is arranged on the inner wall of the wellhead of the abandoned well, and the output end of the liquid level controller is connected with a vent valve and a sedimentation tank. It is connected with the grit chamber through a pipeline. The water inlet of the sedimentation tank is provided with a fine grid water distribution tank. A water collecting tank is installed on one side of the fine grid water distribution tank. The bottom of the water collecting tank is provided with an inclined tube filling layer. The filter tank is equipped with a fully automatic Filter, a backwashing device is installed on the inner bottom wall of the filter tank, a constant pressure water supply device is installed on the inner bottom wall of the clean water tank, the output end of the constant pressure water supply device is connected with a disinfection device, and the output end of the disinfection device is connected with a water point. The steel concrete structure of the utility model is firm and durable, and the rainwater collection and treatment process is simple and convenient.

Description

Rainwater collecting and recycling system with steel concrete structure

Technical Field

The utility model relates to a rainwater collection handles technical field, specifically is steel concrete structure rainwater collection recycling system.

Background

Rainwater is used as a high-quality fresh water resource, the rainwater is recycled as a resource to coordinate city water, the rainwater can be seeped back to supplement underground water or can be drunk by residents after being disinfected, not only can the water resource be saved, but also rainwater can be used for effectively reducing rain flood, building surface hydrological landscape and improving local heat island effect in the city. The traditional PP module accumulation rainwater collection and reuse pool has the defects that if the elevation of a drainage pipe network is low, the buried underground is deep, the plastic strength is insufficient, the body collapses to cause soil reclamation and collapse, and potential safety hazards are generated; the small blocks are assembled and stacked, and the peripheries of the waterproof membrane and the geotextile are wrapped and fixed for water prevention, so that the small blocks are easy to be punctured by sharp stones or construction wastes, and soil infiltration and water leakage are caused; the flat-bottom sludge settling tank has large area and wide sludge stacking area, and can not discharge sludge completely only by one sludge pump; the traditional full-automatic sandstone filter has incomplete backwashing and unclear pollution discharge, is easy to block and influences the water yield; manual operation is needed, and energy is not saved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a recycling system is collected to steel concrete structure rainwater to solve the problem of proposition among the above-mentioned background art.

The utility model provides a following technical scheme: a rainwater collecting and recycling system with a steel concrete structure comprises a abandoning well, a grit chamber with a pebble slope, a sedimentation tank and a filter tank for fine filtration, and a clean water tank for storing clean rainwater.

The abandoning well is communicated with a rainwater inlet pipe and a rainwater drain pipe, a grid plate is arranged below the outlet of the rainwater inlet pipe, a liquid level controller is arranged on the inner wall of a well head of the abandoning well, the output end of the liquid level controller is connected with an emptying valve, a abandoning flow water passing hole is arranged at the bottom of the abandoning well, the abandoning well is communicated with a grit chamber through a water passing pipeline, and the water inlet end of the water passing pipeline is provided with a water passing filter screen;

the sedimentation tank is communicated with the grit chamber through a pipeline, a fine grid water distribution tank is arranged at a water inlet of the sedimentation tank, a sludge pump is arranged at the bottom of the sedimentation tank, a water collection tank is arranged on one side of the fine grid water distribution tank, and an inclined tube filling layer is arranged at the bottom of the water collection tank;

a water inlet of the filter tank is communicated with a water outlet of the water collecting tank, a full-automatic filter is arranged in the filter tank, and a back washing device is arranged at the bottom wall in the filter tank;

the bottom wall department is equipped with constant voltage water supply installation in the clear water pond, and constant voltage water supply installation's output is connected with degassing unit, and useful water spot is connected to degassing unit's output.

Preferably, the abandoning well, the grit chamber, the sedimentation tank, the filtering tank and the clean water tank are all of a steel concrete structure, wherein the abandoning well, the grit chamber, the sedimentation tank and the filtering tank are buried, and the clean water tank is of a ground type.

As the utility model discloses a further scheme, abandon flowing well head department and be equipped with manhole one, grit chamber pool mouth is equipped with manhole two, sedimentation tank pool mouth department is equipped with manhole one and manhole two, the filtering ponds pool mouth is equipped with manhole three, clean water basin pool mouth is equipped with manhole four, as the utility model discloses further scheme, the diapire of rainwater drain pipe, sludge pump and filtering ponds all is connected with the drain pipe.

As a further proposal of the utility model, the pipeline intercommunication that degassing unit and water consumption point are connected has the municipal pipe network, installs emergency water valve in the pipeline of municipal pipe network even general water consumption point.

As a further proposal of the utility model, the input end of the back washing device is communicated with the inner side wall of the bottom of the clean water tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the adopted steel concrete structure is firm and durable, has synchronous service life with the building, can adapt to various environments, is acid-resistant and corrosion-resistant, and is safe and reliable; the sand basin with the pebble slope can be used for pretreating rainwater, filtering leaves, branches and other impurities, and the sedimentation basin with the slope hopper type can collect sludge and discharge the sludge cleanly and thoroughly; the full-automatic membrane method is adopted for filtering, organic impurities and microorganisms are removed through degradation, backwashing and sludge discharge are performed automatically, no blockage is caused, a filter pump room is not needed, and the operation and the use are convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a process flow diagram of the present invention.

The labels in the figure are:

1-abandoning well, 2-manhole, 201-manhole I, 202-manhole II, 3-liquid level controller, 4-emptying valve, 5-rainwater inlet pipe, 6-rainwater drain pipe, 7-abandoning flow through hole, 8-water passing pipe, 801-water passing filter screen, 9-grit chamber, 901-pebble slope, 902-pipeline, 10-sedimentation tank, 11-manhole, 1101-manhole I, 1102-manhole II, 1103-manhole III, 1104-manhole IV, 12-fine grid distributing tank, 13-water collecting tank, 14-inclined pipe filling layer, 15-sludge pump, 16-drain pipe, 17-filtering tank, 1701-full-automatic filter, 1702-backwashing device, 18-clean water tank, 19-constant pressure water supply device, 20-disinfection device, 21-municipal pipe network, 22-emergency water valve and 23-water point.

Detailed Description

As shown in the figures, the rainwater collection and recycling system with the steel concrete structure comprises a drainage well 1, a grit chamber 9 with a pebble slope 901, a sedimentation tank 10 and a filter tank 17 for fine filtration, and a clean water tank 18 for storing clean rainwater, wherein the drainage well 1 is communicated with a rainwater inlet pipe 5 and a rainwater drain pipe 6, a grid plate 101 is arranged below an outlet of the rainwater inlet pipe 5, a liquid level controller 3 is arranged on the inner wall of a wellhead of the drainage well 1, an emptying valve 4 is connected to the output end of the liquid level controller 3, a drainage water through hole 7 is arranged at the bottom of the drainage well 1, the drainage well 1 is communicated with the grit chamber 9 through a water through pipe 8, and a water through filter screen 801 is arranged at the water inlet end of the water through pipe;

the sedimentation tank 10 is communicated with the grit chamber 9 through a pipeline 902, a fine grid water distribution tank 12 is arranged at a water inlet of the sedimentation tank 10, a sludge pump 15 is arranged at the bottom of the sedimentation tank 10, a water collection tank 13 is arranged at one side of the fine grid water distribution tank 12, and an inclined tube filling layer 14 is arranged at the bottom of the water collection tank 13;

a water inlet of the filtering tank 17 is communicated with a water outlet of the water collecting tank 13, a full-automatic filter 1701 is arranged in the filtering tank 17, and a back washing device 1702 is arranged on the bottom wall of the filtering tank 17;

the bottom wall of the clean water tank 18 is provided with a constant pressure water supply device 19, the output end of the constant pressure water supply device 19 is connected with a disinfection device 20, and the output end of the disinfection device 20 is connected with a useful water point 23.

The abandoning well 1, the grit chamber 9, the sedimentation tank 10, the filtering tank 17 and the clean water tank 18 are all of a steel concrete structure, wherein the abandoning well 1, the grit chamber 9, the sedimentation tank 10 and the filtering tank 17 are buried, and the clean water tank 18 is of a ground type.

Abandon 1 well head department of flowing well and be equipped with manhole 201, 9 pond mouths in grit chamber are equipped with manhole two 202, 10 pond mouths in sedimentation tank department are equipped with manhole 1101 and manhole two 1102, 17 pond mouths in filtering ponds are equipped with manhole three 1103, 18 pond mouths in clean water basin are equipped with manhole four 1104, rainwater drain pipe 6, sludge pump 15 all are connected with drain pipe 16 with the diapire of filtering ponds 17.

The pipeline that degassing unit 20 and water point 23 are connected is communicated with municipal pipe network 21, and municipal pipe network 21 is equipped with emergency water valve 22 in the pipeline that general water point 23 connects.

The input end of the back flushing device 1702 is communicated with the inner side wall of the bottom of the clean water tank 18.

The utility model discloses a theory of operation as follows, when the rainwater from rainwater inlet tube 5 perhaps abandons the 1 well head of a class well and gets into when abandoning class well 1 inside, atmospheric valve 4 is regularly opened to liquid level controller 3, the initial stage rainwater is opened through atmospheric valve 4 abandons and is flowed through water hole 7 and get into rainwater drain pipe 6, the higher initial stage rainwater of pollutant content is fallen in the emission like this, also can avoid collecting and handle the rainwater that single rainfall produced very little runoff simultaneously, the initial stage rainwater finally flows into in the drain pipe 16. After the emptying valve 4 is closed, rainwater is intercepted by a preset grid in the drainage well 1 and then enters the grit chamber 9 through the filtration of a water passing filter screen 801 on a water pipeline 8, pebble slope 901 in the grit chamber 9 filters leaves, branches and other impurities, then the rainwater enters the sedimentation tank 10 through a pipeline 902, a fine grid water distribution tank 12 uniformly distributes the rainwater in the sedimentation tank 10, a water collection tank 13 collects and transports the rainwater to a filtration tank 17, wherein a part of the rainwater distributed by the fine grid water distribution tank 12 and containing more silt impurities directly flows downwards into a bottom cavity of the sedimentation tank 10, a slope hopper-shaped structure at the bottom wall of the sedimentation tank 10 can better concentrate the sludge, a sludge pump 15 discharges the sludge which is gradually deposited into a drain pipe 16, the other part of the rainwater distributed by the fine grid water distribution tank 12 enters the filtration tank 17 through the water collection tank 13, and the sludge in an inclined pipe filling layer 14 is deposited due to self weight, the clean water flows obliquely upwards along the inclined tube filling layer 14 and enters the water collecting tank 13, and the inclined tube filling layer 14 is a honeycomb inclined tube, so that the precipitation effect can be enhanced by 3-5 times. The upper filter layer of the full-automatic filter 1701 adopts a ceramsite filter material and an active carbon filter material, the ceramsite filter material intercepts small particles such as flocs and the like in water, suspended solids are removed, pollutants in the water are removed by the active carbon filter material, harmful gas in the full-automatic filter 1701 is purified, the lower filter layer is a multilayer biological membrane, the surface of the biological membrane is provided with a layer of mucous membrane, the layer of mucous membrane can absorb organic matters and microorganisms in rainwater, oxidation and precipitation are carried out, organic matters in a water body are consumed, and the full-automatic filter 1701 comprises a mechanical aeration device for oxygenating the biological membrane. Rainwater arriving in the filter tank 17 from the sedimentation tank 10 enters the clean water tank 18 after being purified by the full-automatic filter 1701, the backwashing device 1702 provides backwashing water with certain flow and pressure for the full-automatic filter 1701 so as to recover the purification and decontamination capabilities of the full-automatic filter 1701, the clean water tank 18 supplies water for the backwashing device 1702, a one-way valve (not shown in the figure) is arranged in a pipeline for communicating the clean water tank 18 with the backwashing device 1702, a constant-pressure water supply device 19 in the clean water tank 18 comprises a reuse water pump, a variable-frequency controller and the like, reuse water meeting the reuse requirement flow and pressure can be supplied at any time, the disinfection device 20 adopts ultraviolet rays for disinfection, when the reuse water pump is started, the disinfection device 20 is also started for sterilization and disinfection, and finally the reuse water arrives at the water utilization point 23.

When the rain is not rained for a long time, the recycled water is not enough, and the water is needed, the water supply equipment cannot run under the protection of low liquid level, the emergency water valve 22 is automatically opened, and the municipal pipe network 21 is connected to the system to complete water supply.

The manholes 2 and the manholes 11 are used for installing, replacing and daily cleaning and maintaining various pools and equipment in the reinforced concrete structure. The drain pipe 16 communicating with the rainwater drain pipe 6, the sludge pump 15 and the filtering tank 17 is used for discharging initial rainwater and sludge impurities therein.

The rainwater collecting and recycling system with larger specification (200 plus 500 cubic meters) can adopt the utility model discloses a steel concrete structure, the purposes of saving investment and convenient construction are reached.

Claims

1. Recycling system is collected to reinforced concrete structure rainwater, including abandoning flowing well (1), grit chamber (9) that have cobble slope (901), sedimentation tank (10) and filtering ponds (17) for meticulous filterable for store clean water basin (18) of clean rainwater, its characterized in that:

the abandoning well (1) is communicated with a rainwater inlet pipe (5) and a rainwater drain pipe (6), a grid plate (101) is arranged below an outlet of the rainwater inlet pipe (5), a liquid level controller (3) is arranged on the inner wall of a well mouth of the abandoning well (1), the output end of the liquid level controller (3) is connected with an emptying valve (4), a abandoning water passing hole (7) is arranged at the bottom of the abandoning well (1), the abandoning well (1) is communicated with a grit chamber (9) through a water passing pipe (8), and a water passing filter screen (801) is arranged at the water inlet end of the water passing pipe (8);

the sedimentation tank (10) is communicated with the grit chamber (9) through a pipeline (902), a fine grid water distribution tank (12) is arranged at a water inlet of the sedimentation tank (10), a sludge pump (15) is arranged at the bottom of the sedimentation tank (10), a water collection tank (13) is arranged at one side of the fine grid water distribution tank (12), and an inclined pipe filling layer (14) is arranged at the bottom of the water collection tank (13);

a water inlet of the filter tank (17) is communicated with a water outlet of the water collecting tank (13), a full-automatic filter (1701) is arranged in the filter tank (17), and a back washing device (1702) is arranged at the inner bottom wall of the filter tank (17);

the bottom wall department is equipped with constant pressure water supply equipment (19) in clean water basin (18), and the output of constant pressure water supply equipment (19) is connected with degassing unit (20), and useful water spot (23) are connected to the output of degassing unit (20).

2. The rainwater collecting and recycling system for the steel concrete structure according to claim 1, which is characterized in that: the abandoning well (1), the grit chamber (9), the sedimentation tank (10), the filtering tank (17) and the clean water tank (18) are all of a steel concrete structure, wherein the abandoning well (1), the grit chamber (9), the sedimentation tank (10) and the filtering tank (17) are buried, and the clean water tank (18) is of a ground type.

3. The rainwater collecting and recycling system for the steel concrete structure according to claim 1, which is characterized in that: abandon a class well (1) well head department and be equipped with manhole (201), grit chamber (9) pool mouth is equipped with manhole two (202), sedimentation tank (10) pool mouth department is equipped with manhole one (1101) and manhole two (1102), filtering ponds (17) pool mouth is equipped with manhole three (1103), clean water basin (18) pool mouth is equipped with manhole four (1104), the diapire of rainwater drain pipe (6), sludge pump (15) and filtering ponds (17) all is connected with drain pipe (16).

4. The rainwater collecting and recycling system for the steel concrete structure according to claim 1, which is characterized in that: the pipeline that degassing unit (20) and water spot (23) are connected communicates there is municipal pipe network (21), installs emergency water valve (22) in municipal pipe network (21) link the pipeline of general water spot (23).

5. The rainwater collecting and recycling system for the steel concrete structure according to claim 1, which is characterized in that: the input end of the back washing device (1702) is communicated with the inner side wall of the bottom of the clean water tank (18).