CN204252206U - Community wastewater circulation and rainwater catchment system equipment - Google Patents
Community wastewater circulation and rainwater catchment system equipment Download PDFInfo
- Publication number
- CN204252206U CN204252206U CN201420726536.7U CN201420726536U CN204252206U CN 204252206 U CN204252206 U CN 204252206U CN 201420726536 U CN201420726536 U CN 201420726536U CN 204252206 U CN204252206 U CN 204252206U
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- Prior art keywords
- storage tank
- water
- filter
- valve
- rainwater
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- Expired - Fee Related
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- 239000002351 wastewater Substances 0.000 title claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000003973 irrigation Methods 0.000 claims abstract description 22
- 230000002262 irrigation Effects 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000010841 municipal wastewater Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000010802 sludge Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 230000000875 corresponding Effects 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 description 9
- 239000010426 asphalt Substances 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003287 bathing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010002855 Anxiety Diseases 0.000 description 1
- 206010057666 Anxiety disease Diseases 0.000 description 1
- 210000000481 Breast Anatomy 0.000 description 1
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002354 daily Effects 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000050 nutritive Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The utility model provides a kind of community wastewater to circulate and rainwater catchment system equipment, comprises building top storage tank, greening pool, water-supply-pipe, lautertuns, drip irrigation pipe, view embossment, crosses filter block, storage tank, aqueduct, filter, gutter, filter bag; Described building top storage tank and greening pool are arranged on top of building, building top storage tank connects the aquifer of greening pool by the first valve, the aquifer of greening pool connects lautertuns by water-supply-pipe, and lautertuns is connected with underground storage tank with the second valve by water-supply-pipe; Storage tank top was filter block; Drip irrigation pipe is connected with the water inlet crossing filter block by the 3rd valve; View embossment is set in storage tank; Jun You gutter, both sides, road surface, gutter is connected with filter, and filter is connected with the water inlet crossing filter block by the 4th valve; The water entering filter block enters storage tank through its filtration; Sewage treatment tank is connected with the blow-off line of each layer of building, and connects storage tank by the 5th valve.
Description
Technical field:
The utility model relates to the circulation of a kind of community wastewater and rainwater catchment system equipment.
Background technology:
Current, along with the acceleration of city of the world, the increase day by day of cities and towns water supply volume.Although China is vast in territory, water resources ownership per capita is little, belongs to the country of serious water shortage.In today of lack of water contradiction, still there is the problem of water waste in a lot of cities and towns units: as utilized tap water to clean road, green land irrigation, supply landscape water etc., more exacerbate the problem of water resource anxiety.Simultaneously in rainy season, rainwater increases pressure not only to the drainage system in cities and towns, and after rainwater decorporates, permeating the ground or flowing into Jiang Hai in vain.If rainwater-collecting can be got up for, and for cleaning road, green land irrigation, toilet flushing etc., the problem of cities and towns tap water short water supply can be alleviated.At present, just just develop, and have problems in force at China's rainwater-collecting and utilization, as incomplete in rainwater-collecting, filtration is complicated.
The daily water washing dish, bathing, laundry of resident, may be used for green land irrigation, toilet flushing, cleaning road surface etc., but these water is directly entered sewage conduct usually through simple process, can not utilize by secondary, causes larger waste.
Utility model content:
The utility model provides a kind of community wastewater to circulate and rainwater catchment system equipment, comprises building top storage tank, greening pool, water-supply-pipe, lautertuns, drip irrigation pipe, view embossment, crosses filter block, storage tank, aqueduct, filter, gutter, filter bag; Described building top storage tank and greening pool are arranged on top of building, building top storage tank connects the aquifer of greening pool by the first valve, the aquifer of greening pool connects lautertuns by water-supply-pipe, lautertuns by water-supply-pipe and the second valve be arranged on underground storage tank and be connected; Storage tank top was filter block; Drip irrigation pipe is connected with the water inlet crossing filter block by the 3rd valve; The view embossment be elevated with storage tank level change is set in storage tank; Jun You gutter, both sides, road surface, community, gutter is connected with filter, and filter is connected with the water inlet crossing filter block by the 4th valve; The water entering filter block water inlet enters storage tank after filter block filters, and the blow-off line of each layer of building is connected with sewage treatment tank, and sewage treatment tank connects storage tank by the 5th valve.
Preferably, drip irrigation pipe is embedded in green layer, has the hole that can seep water above drip irrigation pipe with two sides, for collecting rainwater or irrigating green layer.
Preferably, cross filter block and be layed in storage tank top, the water entering the water inlet of filter block infiltrates storage tank through filter block.
Preferably, described filter comprise inclination screen pack, be arranged on filter bag on front side of screen pack, be arranged on below screen pack and connect the aqueduct of filter bag; Water enters filter from horizontal direction, and the screen pack of major part device after filtration enters aqueduct, and fraction carries foreign material on screen pack and to flow to above filter bag and band enters aqueduct after filtration along screen pack.
Preferably, comprise multiple filter, the aperture of filter screen of each filter reduces gradually; Described screen pack angle of inclination is 15 degree, enters side, water direction higher.
Preferably, view embossment has the base being provided with buoyancy tank, and buoyancy tank has hollow-core construction, and the water surface making view embossment float in storage tank is elevated with SEA LEVEL VARIATION.
Preferably, also comprise central controller, control the work of each valve; When the water in storage tank is full of, central controller controls the first to the four valve closing, forbids that rainwater injects storage tank, controls to open corresponding valve simultaneously, makes rainwater flow into municipal wastewater pipeline.
Preferably, storage tank connects sludge pump, and timing is cleaned storage tank.
Preferably, be provided with the piezoelectric ceramics be electrically connected with indicating device bottom storage tank, when there being water to inject storage tank, it is that indicating device is powered that piezoelectric ceramics produces electric charge.
The circulation of the utility model community wastewater and rainwater catchment system equipment, collect the rainwater on roof, road surface, collect more complete; At roof planting plants, make dmp filter more abundant, simplify and filter; Rainwater on asphalt road/tarmac road, through multistage filtering, makes dmp filter more abundant; By user's bathing, wash dish, the water of laundry collects and process through sewage treatment tank utilizes again, improves the utilization rate of water.
Accompanying drawing illustrates:
Fig. 1 is the circulation of the utility model community wastewater and rainwater catchment system equipment schematic diagram;
Fig. 2 is the schematic diagram of the drip irrigation pipe of the circulation of the utility model community wastewater and rainwater catchment system equipment;
Fig. 3 is the schematic top plan view of the view embossment of the circulation of the utility model community wastewater and rainwater catchment system equipment;
Fig. 4 is the rainwater filtering device schematic diagram that the asphalt road/tarmac road of the circulation of the utility model community wastewater and rainwater catchment system equipment is collected.
Detailed description of the invention
Below with reference to the accompanying drawings, the embodiment of the circulation of the utility model community wastewater and rainwater catchment system equipment is described in detail.
Community wastewater circulation of the present utility model and rainwater catchment system equipment comprise building top storage tank 1, water-supply-pipe 2, greening pool 3, lautertuns 4, filter bag 5, screen pack 6, aqueduct 7, gutter 8, cross filter block 9, storage tank 10, drip irrigation pipe 11, view embossment 12, blow-off line 13.Described building top storage tank 1 connects the aquifer 31 of greening pool 3 by valve v7, planting plants on greening pool 3, the aquifer 31 of greening pool 3 connects lautertuns 4 by water-supply-pipe 2, lautertuns 4 is connected with storage tank 10 with valve v2 by water-supply-pipe 2, is connected by valve v1 with municipal wastewater pipeline simultaneously; Storage tank 10 is embedded in underground, and top arranged filter block 9; Drip irrigation pipe 11 is connected with the water inlet crossing filter block 9 by valve v3, and is connected with municipal wastewater pipeline by valve v4; The space crossed in filter block is arranged in the stream of water, and the water entered from water inlet flows to each filter block excessively by stream, and diafiltration is in storage tank 10.The view embossment 12 be elevated with storage tank 10 level change is set in the middle of storage tank 10; Asphalt road/Jun You gutter, tarmac road both sides 8, gutter 8 is connected with filter, and this filter is connected with the water inlet crossing filter block 9 by valve v5, and is connected with municipal wastewater pipeline by valve v6; This filter is made up of screen pack 6, filter bag 5 and aqueduct 7: screen pack 6 arranges filter bag 5 above, the each layer of screen pack 6 times laying aqueduct 7 buildings connects blow-off line 13, blow-off line 13 is connected with sewage treatment tank one end, the sewage treatment tank other end is connected with storage tank 10 by valve v8, and is connected with municipal wastewater pipeline by valve v1.
Described greening pool 3 comprises soil horizon, nutritive layer, water conservation layer, filtration beds, aquifer 31, water barrier, every root layer etc., wherein aquifer 31 is laid by cobble.Each layer of plant and greening pool 3 has the effect of filtration, purification to the rainwater flowing through both, the rainwater be cleaned is stored by aquifer 31, and when water overflows, a water part injects building top storage tank 1 by not shown water pump, and a part flows down along water-supply-pipe 2.
Described lautertuns 4 is made up of cobble, and rainwater flows down along water-supply-pipe 2, and filter at lautertuns 4 place, foreign material in rainwater and rubbish are leached, the water-supply-pipe 2 of cleaner rainwater through ground flows into storage tank 10.
As shown in Figure 2, drip irrigation pipe 11 is rectangular hollow tube, all has aperture, be layed in common ground (non-bituminous or asphalt surface) on rectangular tube with two sides.When rainy, the water of soil or common ground is infiltrated in drip irrigation pipe 11 by aperture, finally flows through filter block 9 and infiltrates in storage tank 10.
Described view embossment 12 comprises embossment 121 and embossment base 122, and its top view as shown in Figure 3.Embossment 121 is arranged on embossment base 122, the built-in buoyancy tank of embossment base 122, and buoyancy tank is airtight hollow box body, and therefore buoyancy tank has during water view embossment 12 can be made to float on the surface in storage tank 10.View embossment 12 can fluctuate because of the height of the water level in storage tank 10, and when not having water in storage tank 10, view embossment 12 can not be emerging in ground; When storing up full water in storage tank 10, view embossment 12 is all emerging in ground.This view embossment 12 has the effect of indicated water level, and the water that view embossment 12 exposes in the higher expression in earth's surface storage tank 10 is more.Storage tank 10 upper top laid filter block 9, after rainwater passed through the filtration of filter block 9, infiltrated in storage tank 10.Cross filter block 9 and be laid on earth's surface, manually can be dug out and clean.
Pitch or flexible pavement is equipped with in community, in asphalt road/laying gutter, tarmac road both sides 8, rainwater in gutter 8 flows through filter, is gone out by the rubbish filtering in rainwater, collects cleaner rainwater, and described filter comprises filter bag 5, screen pack 6 and aqueduct 7.As shown in Figure 4, have certain gradient when described screen pack 6 is laid, the ply stacking angle of present embodiment is 15 degree, enters side, water direction higher.Described filter bag 5 can be sponge, treatment hole, fie screen etc., and be fixed in filter bag fastening devices 51, filter bag fastening devices 51 is fluid-tight to the coupling part of screen pack 6, and is empty below filter bag fastening devices 51, is communicated with aqueduct 7.Rainwater flows through the screen pack 6 with 15 degree of angle of slope along horizontal drainage ditch 8, most of rainwater is because Action of Gravity Field is by the aqueduct 7 below screen pack 6 inflow, and the foreign material rubbish in rainwater is filtered net 6 and stops; Fraction rainwater flows into above the filter bag 5 in front along screen pack 6, and the foreign material rubbish on screen pack 6 is washed into above filter bag 5, foreign material rubbish is assembled on filter bag 5 top, and rainwater oozes out filter bag 5 downwards, finally infiltrate in aqueduct 7, flow into next stage filter together with the rainwater by screen pack 6.Can arrange multistage such filter to filter step by step, the filter screen width of mesh of every first level filtering device reduces gradually, thus reaches the effect of clean rainwater.
Be provided with level sensor in storage tank 10, when storing full water in storage tank 10, level sensor will send signal to central controller, and central controller controls valve-off v2, v3, v5, stop water filling in storage tank 10.Now, control to open valve v1, v4, v6 simultaneously unnecessary rainwater is injected municipal wastewater pipeline.In building top storage tank 1, level sensor being set equally, when storing up full water in building top storage tank 1, signal will being sent to central controller, central controller controls valve-off v7.
The water of user's bathing used in everyday, laundry etc. is collected by sewage conduct 13, and through the filtration of sewage treatment tank and suction-operated, makes it become can to irrigate, clean the middle water of road surface, toilet flushing, and is stored in storage tank 10.
Water in building top storage tank 1 is used for the plant outside the plant on irrigation structure top or building or is user's toilet flushing in building; There is delivery port bottom storage tank 10, by this delivery port, the rainwater in storage tank 10 can be used for road cleaning, irrigation, user's lavatory flushing etc.; Connect sludge pump at the bottom of storage tank, timing is water tank clean sludge.
Can plant flowers and plants at screen pack 6 with crossing on filter block 9, greening environment on the one hand, improves dmp filter effect on the one hand.
Composition graphs 1 ~ 4, illustrates the course of work of the circulation of the utility model community wastewater and rainwater catchment system equipment when raining.When raining, the filtration of the plant that rainwater is planted through building top and greening pool 3 by rainwater storage in aquifer 31, because the rainwater collected when beginning to rain is poorer than the Rainwater Quality collected after having descended a period of time, so closed by valve v1 ~ v7 in a period of time of being begun to rain by central controller controls of this system, forbid water storage (the utility model select to rain front 20 minutes in forbid water storage).After 20 minutes, central controller controls opens valve v2, v3, v5 and v7, starts water storage.Building top rainwater is through the filtration of plant and greening pool 3, by rainwater storage in aquifer 31, when the water in aquifer 31 has spilling, the rainwater overflowed can inject building top storage tank 1 by valve v7, the rainwater simultaneously overflowed can flow down along water-supply-pipe 2, is injected in storage tank 10 through the filtration of lautertuns 4 and valve v2; Rainwater in prevailing roadway is infiltrated in drip irrigation pipe 11 by the aperture in drip irrigation pipe 11, and passes through filter block 9 by valve v3 and infiltrate in storage tank 10; Rainwater catchment on asphalt road/asphalt surface is in gutter 8, the screen pack 6 that water in gutter 8 can be 15 degree along the gradient flows down, when through screen pack 6, foreign material in rainwater are filtered band 5 and tackle step by step, rainwater infiltrates aqueduct 7 simultaneously, and is infiltrated in storage tank 10 through filter block 9 by valve v5.Along with the rainwater in storage tank 10 gets more and more, the water surface raises, view embossment 12 rises gradually, when storage tank 10 stores full water, water level signal can be sent to central controller by the level sensor in storage tank 10, central controller controls valve-off v2, v3, v5, open valve v1, v4, v6 simultaneously and allow rainwater inject municipal wastewater pipeline.When storing up full water in building top storage tank 1, this water level signal is sent to central controller by level sensor wherein, central controller controls valve-off v7, stops water filling in building top storage tank 1.No matter weather how, sewage in blow-off line 13 is after the filtration and absorption of sewage treatment tank, storage tank 10 is injected by valve v8, when storage tank 10 stores up full water, water level signal can be sent to central controller by the level sensor in storage tank 10, central controller controls valve-off v8, opens valve v1, sewage is entered municipal wastewater pipeline.
According to the height that view embossment 12 bassets, the water level of the water stored in display storage tank 10, but be not limited only to this.As shown in Figure 1, bottom storage tank 10 with lay storage tank 10 hard bottom surface contact surface on piezoelectric ceramics is installed, and on view embossment 12, indicating device is installed, this piezoelectric ceramics is electrically connected with this indicating device, when there being water to inject water tank, this water tank will change to the pressure of piezoelectric ceramics, and piezoelectric ceramics produces electric charge, make indicating device luminous, this indicating device just can be used for visual indication water level indicate in storage tank and have water to inject.Indicating device can be the indicating device of any electrical energy drive such as indicator lamp, Landscape Lamp, lightning ball matched with view.
In the utility model, use lautertuns 4 and screen pack 6 pairs of rainwater to carry out filtration, purification, but be not limited only to this.Other can be used to filter rainwater rainwater recycle strainer of automatic pollution discharge.
Claims (9)
1. community wastewater circulation and a rainwater catchment system equipment, comprises building top storage tank, greening pool, water-supply-pipe, lautertuns, drip irrigation pipe, view embossment, crosses filter block, storage tank, aqueduct, filter, gutter, filter bag; Described building top storage tank and greening pool are arranged on top of building, building top storage tank connects the aquifer of greening pool by the first valve, the aquifer of greening pool connects lautertuns by water-supply-pipe, lautertuns by water-supply-pipe and the second valve be arranged on underground storage tank and be connected; Storage tank top was filter block; Drip irrigation pipe is connected with the water inlet crossing filter block by the 3rd valve; The view embossment be elevated with storage tank level change is set in storage tank; Jun You gutter, both sides, road surface, community, gutter is connected with filter, and filter is connected with the water inlet crossing filter block by the 4th valve; The water entering filter block water inlet enters storage tank after filter block filters, and the blow-off line of each layer of building is connected with sewage treatment tank, and sewage treatment tank connects storage tank by the 5th valve.
2. community wastewater circulation according to claim 1 and rainwater catchment system equipment, is characterized in that: drip irrigation pipe is embedded in green layer having with two sides the hole that can seep water above drip irrigation pipe, for collecting rainwater or irrigating green layer.
3. community wastewater circulation according to claim 2 and rainwater catchment system equipment, is characterized in that: cross filter block and be layed in storage tank top, the water entering filter block water inlet infiltrates storage tank through filter block.
4. community wastewater according to claim 3 circulation and rainwater catchment system equipment, is characterized in that: described filter comprise inclination screen pack, be arranged on filter bag on front side of screen pack, be arranged on below screen pack and connect the aqueduct of filter bag; Water enters filter from horizontal direction, and the screen pack of major part device after filtration enters aqueduct, and fraction carries foreign material on screen pack and to flow to above filter bag and band enters aqueduct after filtration along screen pack.
5. community wastewater circulation according to claim 4 and rainwater catchment system equipment, it is characterized in that: comprise multiple filter, the aperture of filter screen of each filter reduces gradually; Described screen pack angle of inclination is 15 degree, enters side, water direction higher.
6. community wastewater circulation according to claim 4 and rainwater catchment system equipment, it is characterized in that: view embossment has the base being provided with buoyancy tank, buoyancy tank has hollow-core construction, and the water surface making view embossment float in storage tank is elevated with SEA LEVEL VARIATION.
7. community wastewater circulation according to claim 6 and rainwater catchment system equipment, is characterized in that: also comprise central controller, control the work of each valve; When the water in storage tank is full of, central controller controls the first to the four valve closing, forbids that rainwater injects storage tank, controls to open corresponding valve simultaneously, makes rainwater flow into municipal wastewater pipeline.
8. community wastewater circulation according to claim 7 and rainwater catchment system equipment, it is characterized in that: storage tank connects sludge pump, timing is cleaned storage tank.
9. community wastewater circulation according to claim 8 and rainwater catchment system equipment, is characterized in that: be provided with the piezoelectric ceramics be electrically connected with indicating device bottom storage tank, and when there being water to inject storage tank, it is that indicating device is powered that piezoelectric ceramics produces electric charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726536.7U CN204252206U (en) | 2014-11-28 | 2014-11-28 | Community wastewater circulation and rainwater catchment system equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726536.7U CN204252206U (en) | 2014-11-28 | 2014-11-28 | Community wastewater circulation and rainwater catchment system equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252206U true CN204252206U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420726536.7U Expired - Fee Related CN204252206U (en) | 2014-11-28 | 2014-11-28 | Community wastewater circulation and rainwater catchment system equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252206U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569161A (en) * | 2015-12-29 | 2016-05-11 | 蒋清校 | Novel multifunctional city rainwater collection device |
| CN105735455A (en) * | 2016-05-04 | 2016-07-06 | 河海大学 | Pollutant-into-river complex ecology closure system |
| CN106400943A (en) * | 2016-11-15 | 2017-02-15 | 广州城建职业学院 | Landscape rainwater storage pool |
| CN109024758A (en) * | 2018-07-23 | 2018-12-18 | 宣城恒通机械设备有限公司 | A kind of water storage apparatus for agriculture park |
| CN111173108A (en) * | 2020-01-06 | 2020-05-19 | 刘伟 | Community drainage system for relieving urban inland inundation |
| CN112854362A (en) * | 2021-01-27 | 2021-05-28 | 广东迈基建设工程有限公司 | Water obtaining and saving configuration project for building |
-
2014
- 2014-11-28 CN CN201420726536.7U patent/CN204252206U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569161A (en) * | 2015-12-29 | 2016-05-11 | 蒋清校 | Novel multifunctional city rainwater collection device |
| CN105735455A (en) * | 2016-05-04 | 2016-07-06 | 河海大学 | Pollutant-into-river complex ecology closure system |
| CN106400943A (en) * | 2016-11-15 | 2017-02-15 | 广州城建职业学院 | Landscape rainwater storage pool |
| CN109024758A (en) * | 2018-07-23 | 2018-12-18 | 宣城恒通机械设备有限公司 | A kind of water storage apparatus for agriculture park |
| CN111173108A (en) * | 2020-01-06 | 2020-05-19 | 刘伟 | Community drainage system for relieving urban inland inundation |
| CN112854362A (en) * | 2021-01-27 | 2021-05-28 | 广东迈基建设工程有限公司 | Water obtaining and saving configuration project for building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151128 |