CN110206115A - A kind of rainwater-collecting stocking system - Google Patents
A kind of rainwater-collecting stocking system Download PDFInfo
- Publication number
- CN110206115A CN110206115A CN201910402773.5A CN201910402773A CN110206115A CN 110206115 A CN110206115 A CN 110206115A CN 201910402773 A CN201910402773 A CN 201910402773A CN 110206115 A CN110206115 A CN 110206115A
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- Prior art keywords
- water
- rainwater
- module
- well
- collection
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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- 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
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Sewage (AREA)
Abstract
The invention proposes a kind of rainwater-collecting stocking systems, including the rainwater gathering tube of underground is arranged in, safe shunting well, cuts dirty well, abandoned stream screened well, PP module rainwater-collecting mechanism, PP module clear water mechanism and backwash mechanism；Backwash mechanism is supplied water by reuse water pump, it is introduced the water into the PP module of PP module rainwater collection pool by counter-flushing pipeline and PP module is rinsed, silt collects in PP module rainwater-collecting bottom of pond portion under the effect of gravity, then is introduced silt in bilge well by sludge pipe by sludge pump.The present invention is washed away the silt that PP module is accumulated by backwash mechanism, accumulate sludge will not more and more or even hardened, and flushing effect is obvious, and at low cost, and the service life for module of catchmenting can be improved, and indirectly improves the water storage quality in module of catchmenting.
Description
Technical field
The present invention relates to rainwater harvesting technology field more particularly to a kind of rainwater-collecting stocking systems.
Background technique
Rain water collecting system refers to the whole process of rainwater-collecting, and five big links can be divided to pass through rainwater-collecting pipeline and collected
Rainwater-abandoned stream cuts dirt-PP rainwater collection pool and stores rainwater-filtering disinfection-cleansing and recycling, and the rainwater being collected into irrigates farming for pouring
Object, recharge of groundwater can also be used in landscape environment, the non-life such as greening, washing bay water, road washing water are supplemented, flushed the toilet
Apply flexibly water purposes.Water resource can be saved, alleviates the water shortage problem in China significantly.However rainwater-collecting stores PP module at present,
The impurity such as a large amount of sludge are easily accumulated after long-time service inside it, it is difficult to remove；Water storage module space occupied is big, and module is assembled difficult,
Very big suffering is caused to transport and installation；Water storage module pressure-bearing is inadequate, and pressure crosses conference and collapsing phenomenon occurs, and causes huge damage
It loses.
Summary of the invention
Based on technical problem present in background technique, the invention proposes a kind of rainwater-collecting stocking systems.
A kind of rainwater-collecting stocking system proposed by the present invention, including the rainwater gathering tube of underground is arranged in, safety shunts
Well cuts dirty well, abandoned stream screened well, PP module rainwater-collecting mechanism, PP module clear water mechanism and backwash mechanism；
The water inlet of safe shunting well is connect with rainwater gathering tube, and overflow pipe is equipped in safe shunting well；
It cuts in dirty well and is equipped with Prefabricated combined septic tank, the water inlet for cutting dirty well passes through the water outlet of the first connecting tube and safe shunting well
Connection；
Abandoned stream pipe is equipped in abandoned stream screened well, the water inlet of abandoned stream screened well passes through the second connecting tube and the water outlet for cutting dirty well
Mouth connection；
PP module rainwater-collecting mechanism includes inlet well, the first water intake well, PP module rainwater collection pool and buried all-in-one machine,
PP module, sludge pump and rainwater elevator pump are equipped in PP module rainwater collection pool, inlet well passes through third connecting tube and abandoned stream mistake
The water outlet connection of well is filtered, is equipped with the sludge pipe connecting with sludge pump in inlet well, sludge pipe is connect with bilge well, the first water intaking
The riser connecting with rainwater elevator pump is equipped in well, riser is connect with buried all-in-one machine；
PP module clear water mechanism includes the second water intake well and PP module clear water reserviors, be equipped in PP module clear water reserviors PP module and
Reuse water pump, the second water intake well is interior to be equipped with the reuse pipe connecting with reuse water pump, and reuse pipe, which is connected to, uses water spot；
Backwash mechanism includes backwash supervisor and counter-flushing pipeline, and backwash supervisor connect with reuse pipe, backwash tube
Road is embedded in, is rinsed in the PP module of PP module rainwater collection pool to PP module and connects with backwash supervisor, backwash
Multiple flushing holes that can be sprayed water are distributed on pipeline.
Preferably, PP module includes multiple rainwater-collecting units mutually spliced, and rainwater-collecting unit includes top plate and bottom plate
With multiple collection water columns；Top plate and bottom plate arranges that top plate is equipped with multiple first gully-holes and multiple second gully-holes, bottom plate up and down
It is equipped with multiple third gully-holes and multiple 4th gully-holes, top end of catchmenting is connect with top plate and its bottom end is connect with bottom plate,
Collect and be equipped with water collection chamber in water column, multiple collection water columns are arranged in a one-to-one correspondence with multiple first gully-holes, multiple third gully-holes respectively
And first gully-hole, third gully-hole are connected to water collection chamber, collection water column sets that there are two be connected to water collection chamber close to top plate one end
Upper recoil hole, collection water column sets that there are two the lower recoil holes that are connected to water collection chamber close to bottom plate one end.
Preferably, collection water column includes upper collection water column, next part water column and connecting column, and top end of above catchmenting is connect with top plate, under
Collection water column bottom end is connect with bottom plate, and connecting column is between upper collection water column and next part water column and connecting column and upper collection water column, next part
Water column is detachably connected.
Preferably, connecting column is equipped with the first connection card slot arranged and be connected to up and down, the second connection card slot, upper collection water column bottom
End is fastened in the first connection card slot, next part water column top be fastened in the second connection card slot and next part water column top with above catchment
The fitting of column bottom end.
Preferably, circumferentially there are multiple first positive stop strips in upper collection water column bottom end, and the first connection card slot inner wall is circumferentially
There are multiple the first limiting slots compatible with the first positive stop strip, multiple first positive stop strips are fastened on multiple first limiting slots respectively
It is interior.
Preferably, circumferentially there are multiple second positive stop strips on next part water column top, and the second connection card slot inner wall is circumferentially
There are multiple the second limiting slots compatible with the second positive stop strip, multiple second positive stop strips are fastened on multiple second limiting slots respectively
It is interior.
Preferably, upper collection water column is in a circular table shape, and the diameter of upper collection water column is gradually reduced from its top to its bottom end, above catchments
Column exterior circumferential is disposed with the upper stiffener of multiple outwardly convexs, upper stiffener bottom end and connecting column top surface against.
Preferably, next part water column is in a circular table shape, and the diameter of next part water column is gradually reduced from its top to its bottom end, under catchment
Column exterior circumferential is disposed with the lower stiffener of multiple outwardly convexs, lower stiffener top and connecting column bottom surface against.
Preferably, Roof EDS maps have multiple retention beads, and bottom plate bottom surface is distributed with multiple to be adapted with retention bead
Limiting groove, multiple retention beads are arranged in a one-to-one correspondence with multiple limiting grooves respectively；Preferably, retention bead is tapered.
Preferably, the diameter of the second gully-hole is gradually increased from top to bottom end, and stiffener plate is equipped in the second gully-hole；
Preferably, the central axes of the 4th gully-hole are in tilted layout.
A kind of rainwater-collecting stocking system proposed by the present invention, backwash mechanism is supplied water by reuse water pump, by recoiling
It washes pipeline and introduces the water into the PP module of PP module rainwater collection pool and PP module is rinsed, silt collects under the effect of gravity
Silt is introduced in bilge well by sludge pipe in PP module rainwater-collecting bottom of pond portion, then by sludge pump.The present invention is logical
It crosses backwash mechanism to wash away the silt that PP module is accumulated, sludge is made not accumulate more and more or even hardened, flushing effect
Obviously, and it is at low cost, the service life for module of catchmenting can be improved, indirectly improve the water storage quality in module of catchmenting.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of rainwater-collecting stocking system proposed by the present invention；
Fig. 2 is the exploded view of PP module in a kind of rainwater-collecting stocking system proposed by the present invention；
Fig. 3 is the top board structure schematic diagram of PP module in a kind of rainwater-collecting stocking system proposed by the present invention；
Fig. 4 is the structural diagram of base plate of PP module in a kind of rainwater-collecting stocking system proposed by the present invention.
Specific embodiment
Referring to Fig.1, the present invention proposes a kind of rainwater-collecting stocking system, rainwater gathering tube 1, peace including underground is arranged in
Full shunting well 2 cuts dirty well 3, abandoned stream screened well 4, PP module rainwater-collecting mechanism, PP module clear water mechanism and backwash mechanism；
Wherein:
The water inlet of safe shunting well 2 is connect with rainwater gathering tube 1, is equipped with overflow pipe 5, overflow pipe 5 in safe shunting well 2
It is connected to municipal catch-basin.
It cuts in dirty well 3 and is equipped with Prefabricated combined septic tank 6, the water inlet for cutting dirty well 3 passes through the first connecting tube 7 and safe shunting well 2
Water outlet connection cuts dirty 3 top of well and is equipped with anti-drop net.
Abandoned stream pipe 8 is equipped in abandoned stream screened well 4, the water inlet of abandoned stream screened well 4 passes through the second connecting tube 9 and a section dirty well 3
Water outlet connection, 4 top of abandoned stream screened well be equipped with anti-drop net 27.
PP module rainwater-collecting mechanism includes inlet well 10, the first water intake well 11, PP module rainwater collection pool 12 and buried
All-in-one machine 13,12 bottom of PP module rainwater collection pool be equipped with water proof reinforcing layer, water proof reinforcing layer along bottom to top direction according to
It is secondary be equipped with plain concrete cushion layer, reinforced concrete foundation layer, geotextiles, barrier film, 12 top of PP module rainwater collection pool from
Top to bottm is successively arranged in 200 thickness husky protective layer, poly- third plate of 50 thickness extrusion moldings, geotextiles, permeable membrane, PP module rainwater collection pool 12
It is interior to be equipped with PP module 14, sludge pump 15 and rainwater elevator pump 16, it is equipped with and is in communication with the outside on inlet well 10, the first water intake well 11
Snorkel 26, inlet well 10 connect by third connecting tube 17 with the water outlet of abandoned stream screened well 4, inlet well 10 it is interior equipped with
The sludge pipe 18 that sludge pump 15 connects, sludge pipe 18 are connect with bilge well, are equipped with and rainwater elevator pump 16 in the first water intake well 11
The riser 19 of connection, riser 19 are connect with buried all-in-one machine 13, and buried all-in-one machine 13 is equipped with floor drain 28 and sewage pipe 29.
PP module clear water mechanism includes the second water intake well 20 and PP module clear water reserviors 21, is equipped with PP in PP module clear water reserviors 21
Module 14 and reuse water pump 22, the second water intake well 20 are connected to by rainwater riser with the first water intake well 11, the second water intake well 20
Interior equipped with the reuse pipe 23 connecting with reuse water pump 22, reuse pipe 23 is connected to water spot, and the second water intake well 20 is also connected with moisturizing
Pipe 30, water supply pipe 30 are equipped with backflow preventer.
Backwash mechanism includes backwash supervisor 24 and counter-flushing pipeline 25, and backwash supervisor 24 connect with reuse pipe 23,
Counter-flushing pipeline 25 be embedded in the PP module 14 of PP module rainwater collection pool 12 PP module 14 is rinsed and with backwash
Supervisor 24 connects, and multiple flushing holes that can be sprayed water are distributed on counter-flushing pipeline 25.
Backwash mechanism of the present invention is supplied water by reuse water pump, introduces the water into PP module rainwater collection by counter-flushing pipeline 25
Collect and PP module 14 is rinsed in the PP module 14 in pond 12, silt collects in PP module rainwater collection pool 12 under the effect of gravity
Bottom, then introduced silt in bilge well by sludge pipe 18 by sludge pump 15.The present invention will by backwash mechanism
The silt that PP module 14 is accumulated washes away, and accumulate sludge will not more and more or even hardened, flushing effect is obvious, and cost
It is low, the service life for module of catchmenting can be improved, indirectly improve the water storage quality in module of catchmenting.By PP mould in the present invention
Block rainwater collection pool 12, PP module clear water reserviors 21 respectively configure a set of combination liquidometer control system safe operation.
In the present embodiment, PP module 14 includes multiple rainwater-collecting units mutually spliced, and rainwater-collecting unit includes top
Plate 141, bottom plate 142 and multiple collection water columns.Top plate 141, about 142 bottom plate arrange that top plate 141 is equipped with multiple first gully-holes
143 and multiple second gully-holes 144, bottom plate 142 is equipped with multiple third gully-holes 145 and multiple 4th gully-holes 146.It catchments
Water collection chamber is equipped in column, multiple collection water columns are set with multiple first gully-holes 143, multiple third gully-holes 145 one-to-one correspondence respectively
It sets and the first gully-hole 143, third gully-hole 145 is connected to water collection chamber；Collecting water column includes upper collection water column 149, next part water column
1410 and connecting column 1411, upper 149 top of collection water column connect with top plate 141,1410 bottom end of next part water column is connect with bottom plate 142,
Upper collection water column 149 is set there are two the upper recoil hole 147 that be connected to water collection chamber, next part water column 1410 set there are two be connected to water collection chamber
Lower recoil hole 148, counter-flushing pipeline passes through upper recoil hole 147, lower recoil hole flushing 148, and connecting column 1411 is equipped with upper and lower arrange
And the first connection card slot 1412, second being connected to connects card slot 1413, upper 149 bottom end of collection water column is fastened on the first connection card slot
In 1412,1410 top of next part water column is fastened in the second connection card slot 1413 and 1410 top of next part water column and upper collection water column
The fitting of 149 bottom ends.By collecting water column 149, next part water column 1410 and connecting column 1411 in setting so that collection water column it is convenient for disassembly and assembly and
It is solid and reliable.
In the present embodiment, circumferentially there are multiple first positive stop strips 1414, the first connection card slot in upper 149 bottom end of collection water column
1412 inner walls circumferentially have multiple first limiting slots 1415 compatible with the first positive stop strip 1414, multiple first positive stop strips
1414 are fastened on respectively in multiple first limiting slots 1415.With the above arrangement, to collect water column 149 and the company of connecting column 1411
Connect robust.
In the present embodiment, circumferentially there are multiple second positive stop strips 1416, the second connection card slot in 1410 top of next part water column
1413 inner walls circumferentially have multiple second limiting slots 1417 compatible with the second positive stop strip 1416, multiple second positive stop strips
1416 are fastened on respectively in multiple second limiting slots 1417.With the above arrangement, to collect water column 149 and the company of connecting column 1411
Connect robust.
In the present embodiment, upper collection water column 149 is in a circular table shape, it is upper collection water column 149 diameter from its top to its bottom end gradually
Reduce, upper collection 149 exterior circumferential of water column is disposed with the upper stiffener 1418 of multiple outwardly convexs, upper 1418 bottom end of stiffener and company
Connect 1411 top surface of column against.With the above arrangement, strengthening the load-bearing capacity of collection water column 149.
In the present embodiment, next part water column 1410 is in a circular table shape, the diameter of next part water column 1410 from its top to its bottom end by
Decrescence small, 1410 exterior circumferential of next part water column is disposed with the lower stiffener 1419 of multiple outwardly convexs, lower 1419 top of stiffener
With 1411 bottom surface of connecting column against.With the above arrangement, strengthening the load-bearing capacity of next part water column 1410.
In the present embodiment, 141 top surface of top plate is distributed with multiple retention beads 1420,142 bottom surface of bottom plate be distributed with it is multiple with
The compatible limiting groove 1421 of retention bead 1420, multiple retention beads 1420 are a pair of with multiple limiting grooves 1,421 1 respectively
It should be arranged；Retention bead 1420 is tapered.With the above arrangement, facilitating the dismounting between rainwater-collecting unit, and it is located at top
Retention bead 1420 on the rainwater-collecting unit of layer is conducive to the impurity such as silt and flows to the first gully-hole without entering collection water column
Between.
In the present embodiment, the diameter of the second gully-hole 144 is gradually increased from top to bottom end, is set in the second gully-hole 144
There is stiffener plate 1422.The central axes of 4th gully-hole 146 are in tilted layout.With the above arrangement, the impurity such as silt can be reduced
Between flow direction collection water column.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of rainwater-collecting stocking system, which is characterized in that including be arranged in the rainwater gathering tube of underground, safe shunting well,
Cut dirty well, abandoned stream screened well, PP module rainwater-collecting mechanism, PP module clear water mechanism and backwash mechanism；
The water inlet of safe shunting well is connect with rainwater gathering tube, and overflow pipe is equipped in safe shunting well；
It cuts in dirty well and is equipped with Prefabricated combined septic tank, the water inlet for cutting dirty well is connected by the water outlet of the first connecting tube and safe shunting well
It connects；
Abandoned stream pipe is equipped in abandoned stream screened well, the water inlet of abandoned stream screened well is connected by the second connecting tube with the water outlet for cutting dirty well
It connects；
PP module rainwater-collecting mechanism includes inlet well, the first water intake well, PP module rainwater collection pool and buried all-in-one machine, PP mould
PP module, sludge pump and rainwater elevator pump are equipped in block rainwater collection pool, inlet well passes through third connecting tube and abandoned stream screened well
Water outlet connection, the sludge pipe connecting with sludge pump is equipped in inlet well, sludge pipe is connect with bilge well, in the first water intake well
Equipped with the riser connecting with rainwater elevator pump, riser is connect with buried all-in-one machine；
PP module clear water mechanism includes the second water intake well and PP module clear water reserviors, is equipped with PP module and reuse in PP module clear water reserviors
Water pump, the second water intake well is interior to be equipped with the reuse pipe connecting with reuse water pump, and reuse pipe, which is connected to, uses water spot；
Backwash mechanism includes backwash supervisor and counter-flushing pipeline, and backwash supervisor connect with reuse pipe, and counter-flushing pipeline buries
It is located at, PP module is rinsed in the PP module of PP module rainwater collection pool and connected with backwash supervisor, counter-flushing pipeline
On multiple flushing holes that can be sprayed water are distributed with.
2. rainwater-collecting stocking system according to claim 1, which is characterized in that PP module includes multiple mutually splicing
Rainwater-collecting unit, rainwater-collecting unit include top plate and bottom plate and multiple collection water columns；Top plate and bottom plate is arranged up and down, is set on top plate
There are multiple first gully-holes and multiple second gully-holes, bottom plate is equipped with multiple third gully-holes and multiple 4th gully-holes, collection
Water column top is connect with top plate and its bottom end is connect with bottom plate, collection water column in be equipped with water collection chamber, multiple collection water columns respectively with it is multiple
First gully-hole, multiple third gully-holes are arranged in a one-to-one correspondence and the first gully-hole, third gully-hole are connected to water collection chamber, collection
Water column is set close to top plate one end there are two the upper recoil hole that be connected to water collection chamber, collection water column close to bottom plate one end set there are two with collection
The lower recoil hole of water cavity connection.
3. rainwater-collecting stocking system according to claim 2, which is characterized in that collection water column includes upper collection water column, next part
Water column and connecting column, top end of above catchmenting are connect with top plate, and next part water column bottom end is connect with bottom plate, and connecting column is located at upper collection water column
Between next part water column and connecting column is detachably connected with upper collection water column, next part water column.
4. rainwater-collecting stocking system according to claim 3, which is characterized in that connecting column is equipped with and arranges and be connected to up and down
The first connection card slot, the second connection card slot, upper collection water column bottom end is fastened in the first connection card slot, and next part water column top engages
In the second connection card slot and next part water column top is bonded with upper collection water column bottom end.
5. rainwater-collecting stocking system according to claim 4, which is characterized in that above collection water column bottom end circumferentially has more
A first positive stop strip, the first connection card slot inner wall circumferentially has multiple the first limiting slots compatible with the first positive stop strip, more
A first positive stop strip is fastened on respectively in multiple first limiting slots.
6. rainwater-collecting stocking system according to claim 4, which is characterized in that next part water column top circumferentially has more
A second positive stop strip, the second connection card slot inner wall circumferentially has multiple the second limiting slots compatible with the second positive stop strip, more
A second positive stop strip is fastened on respectively in multiple second limiting slots.
7. the rainwater-collecting stocking system according to any one of claim 2-6, which is characterized in that above collecting water column is in rotary table
The diameter of shape, upper collection water column is gradually reduced from its top to its bottom end, and upper collection water column exterior circumferential is disposed with multiple outwardly convexs
Upper stiffener, upper stiffener bottom end and connecting column top surface against.
8. the rainwater-collecting stocking system according to any one of claim 2-6, which is characterized in that next part water column is in rotary table
The diameter of shape, next part water column is gradually reduced from its top to its bottom end, and next part water column exterior circumferential is disposed with multiple outwardly convexs
Lower stiffener, lower stiffener top and connecting column bottom surface against.
9. the rainwater-collecting stocking system according to any one of claim 2-6, which is characterized in that Roof EDS maps have
Multiple retention beads, bottom plate bottom surface are distributed with multiple limiting grooves compatible with retention bead, multiple retention beads respectively with
Multiple limiting grooves are arranged in a one-to-one correspondence；Preferably, retention bead is tapered.
10. the rainwater-collecting stocking system according to any one of claim 2-6, which is characterized in that the second gully-hole
Diameter is gradually increased from top to bottom end, and stiffener plate is equipped in the second gully-hole；Preferably, the central axes of the 4th gully-hole are inclined
Tiltedly arrangement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910402773.5A CN110206115A (en) | 2019-05-15 | 2019-05-15 | A kind of rainwater-collecting stocking system |
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| CN201910402773.5A CN110206115A (en) | 2019-05-15 | 2019-05-15 | A kind of rainwater-collecting stocking system |
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| CN110670701A (en) * | 2019-10-30 | 2020-01-10 | 玉环松源金属制品有限公司 | Anti-recoil umbrella cover assembly in floor drain core |
| CN112982563A (en) * | 2021-03-22 | 2021-06-18 | 江苏水景建材有限公司 | Sponge urban rainwater collecting and processing system and rainwater collecting and processing method |
| CN114635484A (en) * | 2022-02-10 | 2022-06-17 | 天恩建设集团有限公司 | Sponge city drainage system convenient to maintain |
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| CN108797756A (en) * | 2018-07-03 | 2018-11-13 | 中设设计集团股份有限公司 | Rain penetration purifies savings system in a kind of landscape planting |
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Application publication date: 20190906 |