CN215715709U - A filter recovery unit for sponge city - Google Patents

A filter recovery unit for sponge city Download PDF

Info

Publication number
CN215715709U
CN215715709U CN202121622806.6U CN202121622806U CN215715709U CN 215715709 U CN215715709 U CN 215715709U CN 202121622806 U CN202121622806 U CN 202121622806U CN 215715709 U CN215715709 U CN 215715709U
Authority
CN
China
Prior art keywords
water
pool
tank
pipe
rainwater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121622806.6U
Other languages
Chinese (zh)
Inventor
杨霄
马勃
姚普静
李明
高徐军
吕鹏
宁倩
焦露慧
周方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Northwest Engineering Corp Ltd
Original Assignee
PowerChina Northwest Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Northwest Engineering Corp Ltd filed Critical PowerChina Northwest Engineering Corp Ltd
Priority to CN202121622806.6U priority Critical patent/CN215715709U/en
Application granted granted Critical
Publication of CN215715709U publication Critical patent/CN215715709U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The utility model provides a filtering and recycling device for a sponge city, which comprises a water collecting tank embedded on the ground, a flow abandoning pool, a filtering pool, a settling pool and a purifying pool, wherein the flow abandoning pool, the filtering pool, the settling pool and the purifying pool are embedded below the ground, the water collecting tank is communicated with the flow abandoning pool through a water conveying pipeline, a pipe body of the water conveying pipeline is connected in series with a floating ball control valve, the floating ball control valve is communicated with the filtering pool through a second water inlet pipe, the bottom of the filtering pool is communicated with the top of the settling pool through a pipeline, and the settling pool is communicated with the purifying pool through a water conveying assembly. The rainwater firstly enters the abandoning flow pond through the water collecting tank, the abandoning flow pond eliminates initial rainwater containing more pollutants, then the rainwater enters the filtering tank, larger impurities in the rainwater are removed, the filtered rainwater enters the sedimentation tank again for sedimentation, after sedimentation is completed, the rainwater is pumped to the water purifying tank, a water source meeting water quality indexes is obtained, and the rainwater collecting device is reasonable in design and high in purification degree.

Description

A filter recovery unit for sponge city
Technical Field
The utility model belongs to the field of rainwater resource recycling, and particularly relates to a filtering and recycling device for a sponge city.
Background
Along with the development and progress of society and the enhancement of environmental awareness of people, people pay more and more attention to the protection of water resources, the recycling of rainwater is one of methods for saving and protecting water resources, a sponge city is a concrete embodiment for recycling rainwater, the concept of the sponge city emphasizes the functions of seepage, stagnation, storage, purification, use and drainage on rainwater, the requirements are provided for the recycling of the rainwater besides relieving urban waterlogging, reducing non-point source pollution and improving water environment, and especially, the method has important significance for northwest arid areas, semi-arid areas and certain resource and engineering water-deficient areas, and in addition, the recycling of the rainwater can replace conventional water resources to a certain extent besides solving the problem of shortage, so that economic benefits are brought.
In most urban construction, the harm of flood caused by rainwater is generally only considered singly, a ditch is mainly adopted to drain the rainwater in time, and a large amount of water is drained into a ditch river, so that the white water loss and waste are caused; meanwhile, a large amount of rainwater on houses and floors enters a sewer, so that the drainage pressure of urban drainage pipelines is increased, and the phenomenon of a large amount of accumulated water on roads and low-lying positions is easily caused. How to collect rainwater, after certain device is handled, obtain the water reuse that accords with certain quality of water index, become the difficult problem that impels sponge city construction to need to solve at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a filtering and recycling device for a sponge city to overcome the technical defects.
In order to solve the technical problems, the utility model provides a filtering and recycling device for a sponge city, which comprises a water collecting tank embedded on the ground, and further comprises a flow abandoning tank, a filtering tank, a sedimentation tank and a clean water tank which are embedded below the ground, wherein the water collecting tank is communicated with the flow abandoning tank through a water pipeline;
wherein the floating ball of the floating ball control valve floats on the liquid level of the flow discarding pool.
Furthermore, the water pipe comprises a rain pipe and a first water inlet pipe, wherein a pipe orifice at one end of the rain pipe penetrates through the bottom of the water collecting tank and is communicated with the bottom of the water collecting tank, a grid is laid at the pipe orifice at the end in a clamping manner, a pipe orifice at the other end of the rain pipe is communicated with an inlet of a floating ball control valve, the floating ball control valve is a three-way valve, a first outlet of the floating ball control valve is communicated with a pipe orifice at one end of the first water inlet pipe, and a pipe orifice at the other end of the first water inlet pipe extends into the tank from the top of the flow discarding tank.
Preferably, the bottom of the waste flow pool is provided with a water outlet, the water outlet is connected with an electromagnetic valve, the electromagnetic valve is connected with a drain pipe, the drain pipe is externally connected with a municipal sewer pipeline, the electromagnetic valve is electrically connected with a control cabinet containing a controller, and the control cabinet is arranged on the ground.
Furthermore, the filter tank comprises a funnel-shaped outer shell, an opening cover at the top of the outer shell is embedded with an inner core, the inner core is of a hollow columnar structure, and a filter screen is arranged at the bottom of the hollow column;
wherein the inner core is detachably mounted to the outer shell.
Preferably, the filter screen is in an inverted V shape along the axial section of the inner core, and the opening end of the inverted V horizontally extends outwards along the circumferential direction until the filter screen is connected with the column bottom of the hollow column.
Furthermore, the sedimentation tank is positioned right below the filter tank, a liquid level control valve is arranged on a pipeline between the two tanks, a floating ball of the liquid level control valve floats on the liquid level of the sedimentation tank, an automatic dosing device is arranged on the tank wall at the top of the sedimentation tank, a dredging opening is formed in the tank bottom of the sedimentation tank and is connected with a dredging pipe, and a dredging pump is arranged on the dredging pipe;
the desilting pump, the automatic medicine feeding device and the liquid level control valve are all electrically connected with a controller in the control cabinet.
Furthermore, the water purification tank comprises an outer barrel with a closed bottom and an upward opening, and a purification basket sleeved at the opening end of the outer barrel, wherein a filter assembly is laid at the basket bottom of the purification basket, a water outlet is formed in the barrel bottom of the outer barrel, and the water outlet is externally connected with a pipeline to convey purified water to a downstream.
Preferably, the filter assembly comprises quartz sand, activated carbon, fluffy cotton, any one or combination of any several of them.
Furthermore, the water delivery assembly at least comprises a water pump and a water pipe, the water pump is arranged in the sedimentation tank and is close to the bottom of the sedimentation tank, the water pump is connected with the water pipe, and the water pipe extends out of the top of the sedimentation tank and extends into the purification basket;
the water pump is electrically connected with a controller in the control cabinet.
The utility model has the following beneficial effects:
(1) the rainwater enters the flow discarding pool through the water collecting tank at first, the flow discarding pool quantitatively excludes initial rainwater containing more pollutants, the quality of collected rainwater is guaranteed, then the rainwater enters the filtering pool, primary filtering is carried out, larger impurities in the rainwater are removed, the filtered rainwater enters the sedimentation pool for sedimentation, after sedimentation is finished, the rainwater is pumped into the water purifying pool through the water pump, a water source meeting water quality indexes is obtained through secondary filtering of the water purifying pool, and finally the water is collected and utilized;
(2) the floating ball control valve can change the flow direction of rainwater, when the liquid level of water in the flow discarding pool rises to a certain height, the water inlet of the flow discarding pool is closed, the water inlet of the filtering pool is opened to collect rainwater, and after the rainwater is over or the filtering pool is full of water, the electromagnetic valve is opened to drain water, so that the water channel is ensured to be smooth;
(3) through setting up the liquid level control valve, after liquid level reachd the take the altitude in the sedimentation tank, the sedimentation tank water inlet was closed, adds the liquid medicine through automatic reagent feeding device feeding in the water, disinfects, deposits the rainwater, handles the back through the sedimentation tank, carries the rainwater to the clean water basin through water delivery subassembly.
In order to make the aforementioned and other objects of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural view of a filtration and recovery device for sponge cities.
Description of reference numerals:
1. a water collection tank;
2. a grid;
3. a floating ball control valve;
4. a flow abandoning pool;
5. a filtration tank; 51. a housing; 52. an inner core; 53. a filter screen;
6. a sedimentation tank; 61. a liquid level control valve; 62. an automatic dosing device; 63. a dredging pump;
7. a clear water tank; 71. an outer cylinder; 72. a purification basket; 73. a filter assembly; 74. a water outlet;
8. a rain pipe;
9. a first water inlet pipe;
10. a second water inlet pipe;
11. a control cabinet;
12. a floating ball;
13. an electromagnetic valve;
14. a drain pipe;
15. a water delivery assembly.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
In the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the filtration and recovery device for sponge cities described in the present specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the utility model. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
First embodiment
The embodiment relates to a filtering and recycling device for a sponge city, which comprises a water collecting tank 1 embedded on the ground, a flow abandoning pool 4, a filtering pool 5, a sedimentation pool 6 and a clean water pool 7, wherein the flow abandoning pool 4, the filtering pool 5, the sedimentation pool 6 and the clean water pool 7 are embedded below the ground, the water collecting tank 1 is communicated with the flow abandoning pool 4 through a water pipeline, a pipe body of the water pipeline is connected in series with a floating ball control valve 3, the floating ball control valve 3 is communicated with the filtering pool 5 through a second water inlet pipe 10, the pool bottom of the filtering pool 5 is communicated with the pool top of the sedimentation pool 6 through a pipeline, and the sedimentation pool 6 is communicated with the clean water pool 7 through a water delivery assembly 15;
wherein the floating ball 12 of the floating ball control valve 3 floats on the liquid level of the waste flow tank 4.
The working principle of the filtering and recycling device for the sponge city is as follows:
firstly, rainwater enters a flow discarding pool 4 through a water collecting tank 1, initial rainwater containing more pollutants is quantitatively removed from the flow discarding pool 4, the quality of collected rainwater is guaranteed, then the rainwater enters a filtering pool 5 to be filtered for the first time, larger impurities in the rainwater are removed, the filtered rainwater enters a settling pool 6 to be precipitated, after precipitation is completed, the rainwater is pumped to a water purifying pool 7 through a control water pump, and is filtered for the second time through the water purifying pool 7 to obtain a water source meeting water quality indexes, and finally the water is collected to be utilized.
The flow direction of rainwater can be changed to floater control valve 3, specifically as follows:
when the liquid level of the abandoning pool 4 rises to a certain height, the floating ball 12 rises together with the liquid level, the floating ball control valve 3 is controlled in a linkage mode to lead to the water outlet of the abandoning pool 4, meanwhile, the floating ball control valve 3 is opened to flow to the water outlet of the filtering pool 5, and rainwater is collected by the filtering pool 5.
The drainage pool 4 is used for quantitatively draining initial rainwater containing more pollutants and ensuring the quality of collected rainwater.
When the liquid level in the flow discarding pool 4 rises to a certain position, the rainwater is drained to the filtering pool 5 for primary filtering.
The filtering tank 5 is used for removing larger impurities in the rainwater.
In the sedimentation tank 6, the rainwater can be sterilized, disinfected and precipitated.
The water purifying tank 7 is used for removing suspended solid particles, colloidal substances, turbidity, organic matters and the like and improving the quality of the effluent.
Second embodiment
The embodiment relates to a filtering and recycling device for a sponge city, which comprises a water collecting tank 1 embedded on the ground, a flow abandoning pool 4, a filtering pool 5, a sedimentation pool 6 and a clean water pool 7, wherein the flow abandoning pool 4, the filtering pool 5, the sedimentation pool 6 and the clean water pool 7 are embedded below the ground, the water collecting tank 1 is communicated with the flow abandoning pool 4 through a water pipeline, a pipe body of the water pipeline is connected in series with a floating ball control valve 3, the floating ball control valve 3 is communicated with the filtering pool 5 through a second water inlet pipe 10, the pool bottom of the filtering pool 5 is communicated with the pool top of the sedimentation pool 6 through a pipeline, and the sedimentation pool 6 is communicated with the clean water pool 7 through a water delivery assembly 15;
wherein the floating ball 12 of the floating ball control valve 3 floats on the liquid level of the waste flow tank 4.
Referring to fig. 1, the water pipe includes a rain pipe 8 and a first water inlet pipe 9, wherein a pipe orifice at one end of the rain pipe 8 penetrates through and is connected to the bottom of the water collecting tank 1, a grid 2 is laid at the pipe orifice at the end in a clamping manner, a pipe orifice at the other end of the rain pipe 8 is connected to an inlet of a floating ball control valve 3, wherein the floating ball control valve 3 is a three-way valve, a first outlet of the floating ball control valve 3 is connected to a pipe orifice at one end of the first water inlet pipe 9, and a pipe orifice at the other end of the first water inlet pipe 9 extends into the tank from the top of the flow discarding pool 4.
The grating 2 can block the entry of large objects such as branches and stones.
The bottom of the waste flow pool 4 is provided with a water outlet which is connected with an electromagnetic valve 13, the electromagnetic valve 13 is connected with a drain pipe 14, the drain pipe 14 is externally connected with a municipal sewer pipeline, the electromagnetic valve 13 is electrically connected with a control cabinet 11 containing a controller, and the control cabinet 11 is arranged on the ground.
When the rain is finished or the filtering tank 5 is fully collected, the controller in the control cabinet 11 automatically controls the electromagnetic valve 13 to be opened, so that water in the abandoning tank 4 is drained completely, and the water way is ensured to be smooth.
The filtering tank 5 comprises a funnel-shaped outer shell 51, an inner core 52 is embedded in an opening cover at the top of the outer shell 51, the inner core 52 is of a hollow columnar structure, a filtering net 53 is installed at the bottom of the hollow column, and the bottom of the outer shell 51 is conical, so that rainwater can be prevented from staying to generate sludge to block a water outlet.
To facilitate replacement and removal of the core 52, the core 52 is removably mounted to the outer shell 51.
The filter screen 53 is in an inverted V shape along the axial section of the inner core 52, the opening end of the inverted V horizontally extends outwards along the circumferential direction until the opening end is connected with the column bottom of the hollow column, and the inverted V-shaped inner core 52 can increase the filter screen water outlet area and is not easy to block.
After the rainwater filters, can directly take away inner core 52 clearance impurity and change, it is very convenient, inner core 52's bottom is equipped with filter screen 53, and filter screen 53 shape is for falling "V" form, increases the play drainage area, and difficult jam, filter screen 53 can filter the great impurity that contains in some rainwater, improves rainwater purification degree.
The sedimentation tank 6 is located under the filtering tank 5, the pipeline between the two tanks is provided with a liquid level control valve 61, a floating ball of the liquid level control valve 61 floats on the liquid level of the sedimentation tank 6, the top tank wall of the sedimentation tank 6 is provided with an automatic dosing device 62, the bottom of the sedimentation tank 6 is provided with a dredging port, the dredging port is connected with a dredging pipe, the dredging pipe is provided with a dredging pump 63, and the dredging pump 63, the automatic dosing device 62 and the liquid level control valve 61 are electrically connected with a controller in the control cabinet 11.
When the liquid level in the sedimentation tank 6 reaches a certain height, the liquid level control valve 61 closes the water inlet of the sedimentation tank 6, meanwhile, the liquid level control valve 61 transmits a signal to the controller in the control cabinet 11, the controller in the control cabinet 11 controls the electromagnetic valve 13 to be opened, the liquid level in the flow abandoning tank 4 descends, the floating ball control valve 3 closes the water inlet of the filtering tank 5, opens the water inlet of the flow abandoning tank 4, and redundant rainwater enters the flow abandoning tank 4 and is discharged.
The auto-feed device 62 is a commercially available existing structure.
The controller in the control cabinet 11 controls the automatic chemical feeding device 62 to feed water with alum and sodium hypochlorite solution, so as to sterilize, disinfect and precipitate rainwater, and after the rainwater is treated by the sedimentation tank, the controller in the control cabinet 11 controls the water pump to convey the rainwater to the water purification tank 7.
The sedimentation tank 6 is subjected to long-term rainwater sedimentation, a large amount of sludge is accumulated at the bottom, and the sludge is periodically cleaned by the sludge cleaning pump 63, so that the quality of the discharged water is improved.
The purified water tank 7 comprises an outer cylinder 71 with a closed bottom and an upward opening, and a purification basket 72 sleeved at the opening end of the outer cylinder, wherein a filter component 73 is laid at the bottom of the purification basket 72, a water outlet 74 is arranged at the bottom of the outer cylinder 71, and the water outlet 74 is externally connected with a pipeline to convey purified water to the downstream.
The filter assembly 73 comprises quartz sand, activated carbon, fluffy cotton, any one of them or a combination of any several of them.
The rainwater is filtered for the second time in the water purifying tank 7, the suspended solid particles, colloidal substances, turbidity, organic matters and the like remained in the pretreatment are further removed, the effluent quality is improved, and finally the purified water is collected through a water outlet 74 at the bottom of the water purifying tank 7.
The water delivery assembly 15 at least comprises a water pump and a water pipe, the water pump is arranged in the sedimentation tank 6 and close to the bottom of the tank, the water pump is connected with the water pipe, the water pipe extends out of the top of the sedimentation tank 6 and extends into the purification basket 72, and the water pump is electrically connected with a controller in the control cabinet 11.
After the sediment is accomplished, take out clean water basin 7 with the rainwater through the water pump, through the second filtration of clean water basin 7, obtain the water source that accords with the quality of water index, collect water at last and utilize, this rainwater collection device reasonable in design can guarantee the cleanliness of retrieving the rainwater, and purification degree is high.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.

Claims (9)

1. The utility model provides a filter recovery unit for sponge city, is including inlaying water catch bowl (1) of adorning in ground, its characterized in that: the water collecting tank (1) is communicated with the flow discarding pool (4) through a water pipeline, a pipe body of the water pipeline is connected with a floating ball control valve (3) in series, the floating ball control valve (3) is communicated with the filtering pool (5) through a second water inlet pipe (10), the bottom of the filtering pool (5) is communicated with the top of the settling pool (6) through a pipeline, and the settling pool (6) is communicated with the clean water pool (7) through a water conveying assembly (15);
wherein a floating ball (12) of the floating ball control valve (3) floats on the liquid level of the flow abandoning pool (4).
2. The filtration and recovery device for sponge cities as claimed in claim 1, wherein: the water conveying pipeline comprises a rainwater pipe (8) and a first water inlet pipe (9), wherein a pipe orifice at one end of the rainwater pipe (8) penetrates through the bottom of a water collecting tank (1) and is communicated with the bottom of the water collecting tank, a grid (2) is laid at the pipe orifice at the end of the rainwater pipe in a clamping manner, a pipe orifice at the other end of the rainwater pipe (8) is communicated with an inlet of a floating ball control valve (3), the floating ball control valve (3) is a three-way valve, a first outlet of the floating ball control valve (3) is communicated with a pipe orifice at one end of the first water inlet pipe (9), and a pipe orifice at the other end of the first water inlet pipe (9) stretches into the tank from the top of a flow discarding tank (4).
3. The filtration and recovery device for sponge cities as claimed in claim 2, wherein: a water outlet is formed in the bottom of the waste flow tank (4), the water outlet is connected with an electromagnetic valve (13), the electromagnetic valve (13) is connected with a drain pipe (14), and the drain pipe (14) is externally connected with a municipal sewer pipeline;
the electromagnetic valve (13) is electrically connected with a control cabinet (11) containing a controller, and the control cabinet (11) is arranged on the ground.
4. A filtration and recovery device for sponge cities as claimed in claim 3 wherein: the filter tank (5) comprises a funnel-shaped outer shell (51), an inner core (52) is embedded in an opening cover at the top of the outer shell (51), the inner core (52) is of a hollow columnar structure, and a filter screen (53) is installed at the bottom of the hollow column;
wherein the inner core (52) is detachably mounted to the outer shell (51).
5. A filtration and recovery device for sponge cities as claimed in claim 4, wherein: the filter screen (53) is in an inverted V shape along the axial section of the inner core (52), and the horizontal opening end of the inverted V extends outwards along the circumferential direction until the filter screen is connected with the column bottom of the hollow column.
6. A filtration and recovery device for sponge cities, according to claim 4 or 5, characterized in that: the sedimentation tank (6) is positioned right below the filtering tank (5), a liquid level control valve (61) is installed on a pipeline between the two tanks, a floating ball of the liquid level control valve (61) floats on the liquid level of the sedimentation tank (6), an automatic dosing device (62) is installed on the tank wall at the top of the sedimentation tank (6), a dredging opening is formed in the tank bottom of the sedimentation tank (6), the dredging opening is connected with a dredging pipe, and a dredging pump (63) is installed on the dredging pipe;
the dredging pump (63), the automatic medicine feeding device (62) and the liquid level control valve (61) are electrically connected with a controller in the control cabinet (11).
7. The filtration and recovery device for sponge cities as claimed in claim 6, wherein: the water purifying pool (7) comprises an outer barrel (71) with a closed bottom and an upward opening, and a purifying basket (72) sleeved at the opening end of the outer barrel, wherein a filtering component (73) is laid at the bottom of the purifying basket (72), a water outlet (74) is formed in the bottom of the outer barrel (71), and the water outlet (74) is externally connected with a pipeline to convey purified water to the downstream.
8. The filtration and recovery device for sponge cities as claimed in claim 7, wherein: the filtering component (73) comprises quartz sand, activated carbon and fluffy cotton, and is any one or combination of any several of the above.
9. The filtration and recovery device for sponge cities as claimed in claim 7, wherein: the water delivery assembly (15) at least comprises a water pump and a water pipe, the water pump is arranged in the sedimentation tank (6) and close to the bottom of the sedimentation tank, the water pump is connected with the water pipe, and the water pipe extends out of the top of the sedimentation tank (6) and extends into the purification basket (72);
the water pump is electrically connected with a controller in the control cabinet (11).
CN202121622806.6U 2021-07-16 2021-07-16 A filter recovery unit for sponge city Active CN215715709U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121622806.6U CN215715709U (en) 2021-07-16 2021-07-16 A filter recovery unit for sponge city

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121622806.6U CN215715709U (en) 2021-07-16 2021-07-16 A filter recovery unit for sponge city

Publications (1)

Publication Number Publication Date
CN215715709U true CN215715709U (en) 2022-02-01

Family

ID=79987900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121622806.6U Active CN215715709U (en) 2021-07-16 2021-07-16 A filter recovery unit for sponge city

Country Status (1)

Country Link
CN (1) CN215715709U (en)

Similar Documents

Publication Publication Date Title
KR101316530B1 (en) Water-storage tank
KR101003477B1 (en) Apparatus for treating rainwater
CN105013244B (en) Multistage rainwater purification processing equipment
CN102838256A (en) Buried sewage treatment system
CN105130072A (en) Domestic sewage treatment apparatus
CN111573932A (en) Integrated equipment for rainwater collection and purification and automatic water quality monitoring
CN101830577B (en) Rainwater treatment device for rainwater and sewage runoff pollution treatment and method thereof
CN204865241U (en) Multistage rain purifying water process equipment
CN207761000U (en) Online Processing System with precipitation and filtering function
CN203807278U (en) Municipal sewage filtration and purification system
CN207608463U (en) A kind of municipal drainage system
CN105417859A (en) Rainwater treatment device and method for rainwater and sewage running water pollution treatment
KR101202895B1 (en) Rainwater tank apparatus
CN108408802A (en) System is cut down in the overflow of combined system pipe network and water pollution integration
CN215715709U (en) A filter recovery unit for sponge city
CN205222872U (en) Full automatic water purifying device
CN213508764U (en) Urban rainwater collection device
CN210656600U (en) Ecological restoration system of landscape water body
CN208471700U (en) A kind of sewage treatment unit
KR100869158B1 (en) Boiling point contaminant purification appratus and methode thereof for an early stage rain water
CN207525090U (en) A kind of rural household sewage disposal system
CN207331947U (en) A kind of safety shunting sand-catching apparatus
CN205839931U (en) A kind of drainage system against rain of sponge urban construction
CN209685510U (en) A kind of ecological sedimentation tank system removing floating refuse
CN207660068U (en) A kind of cell water circulation utilization system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant