CN207348137U - A kind of rainwater purification structure for sponge urban construction - Google Patents
A kind of rainwater purification structure for sponge urban construction Download PDFInfo
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- CN207348137U CN207348137U CN201720755918.6U CN201720755918U CN207348137U CN 207348137 U CN207348137 U CN 207348137U CN 201720755918 U CN201720755918 U CN 201720755918U CN 207348137 U CN207348137 U CN 207348137U
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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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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Abstract
A kind of rainwater purification structure for sponge urban construction,Including by rainfall runoff direction and the stepped setting pot set gradually,The preposition pool and the infiltration pool,The water inlet of setting pot is connected with for the soleno- of surface rain confluence,Accumulation is useful for the rubble of filtering rainwater between setting pot and the preposition pool,Separated between the preposition pool and the infiltration pool using the dykes and dams formed by planting soil,The pool bottom on the infiltration pool is followed successively by soil basic unit from bottom to top,Filtering medium layer,Permeable geotextiles and planting soil layer,Filtering medium layer and permeable geotextiles are extended in the dykes and dams,The water outlet on the infiltration pool is equipped with the delivery pipe being mutually connected with urban rainwater canal system system,The horizontal blow-down pipe for being equipped with connection delivery pipe and vertical overflow pipe are permeated in the pool,The pressure of urban waterlogging not only can effectively be alleviated and reduce to the utility model,Promote the utilization of rainwater resource,And also well meet the requirement of sponge urban construction.
Description
Technical field
It the utility model is related to urban rainwater reutilization technology field, and in particular to a kind of rain for sponge urban construction
Water warfare structure.
Background technology
In recent years, meet rain must flood be increasingly becoming the chronic illness in many cities.Therefore, to not " seeing sea in city ", not
It is so simple only to carry out pipeline dilatation.All using fast row's pattern, rainwater falls on hardened ground can only be from current many cities
Concentrate fast row in pipeline, heavy showers is once great pipeline is all not enough feeling to repair, and this pattern allows 70% in city
Rainwater lost in vain.
Sponge city, refers to that city can be as sponge, it is adapting to environmental change and reply natural calamity etc.
With good " elasticity ", for example, can absorb water when raining, water storage, infiltration, water purification, and by the water stored " release " when needing
Out and it is used.Therefore, sponge city realizes rain to greatest extent on the premise of municipal drainage prevention waterlogging safety is ensured
Water so as to promote recycling and the ecological environmental protection of rainwater resource, and then is realized in the accumulation, infiltration and purification of urban area
The high standard and new demand that country proposes Urban Storm Flood management.
If leaving rather than draining most of rainwater, product of the rainwater in urban area can be realized to greatest extent
Deposit, permeate and purify, promote the utilization and ecological environmental protection of rainwater resource.That is, ' sponge city ' be expected to will be original
A large amount of water for draining into pipe duct end by absorbing, saving, the link such as permeate and digest, become in advance and crack having for ' meeting rain flooded '
Effect approach, rather than by repairing big drainpipe.
Rainwater purification refers to after rainwater is collected according to demand, and after carrying out purified treatment to the rainwater of collection
Reach the system met using standard.The rainwater of collection is roughly divided into two classes, roof rain water and rainwater on road surface, it is contemplated that at present I
State's atmosphere pollution situation is more serious, and the rain and impurity being collected into is more, and contamination sources are complicated.
At present, in sponge urban construction, it is too poor that the recycling water that is handled by rainwater purification still has water quality
The problem of, it so can not only meet the use of city system well, cause the rainwater comprehensive utilization rate of collection low, because
This, also can not meet theory and the requirement of sponge urban construction and ecological environmental protection.
Utility model content
The utility model is in order to solve the above problem existing in the prior art, there is provided a kind of for sponge urban construction
Rainwater purification structure, the rainwater structure realize rainwater in city to greatest extent on the premise of city prevention waterlogging safety is ensured
In the range of collection, infiltration, purification and utilization, so as to not only can effectively alleviate and reduce the pressure of urban waterlogging, promote rain
The utilization of water resource, moreover, meeting the requirement of sponge urban construction well.
To achieve the above object, the utility model provides a kind of rainwater purification structure for sponge urban construction, bag
Include by the rainfall runoff direction and stepped setting pot set gradually, the preposition pool and infiltration pool, the water inlet of the setting pot
It is connected with for the soleno- that surface rain converges, is accumulated between the setting pot and the preposition pool and be useful for the broken of filtering rainwater
Stone, is separated between the preposition pool and the infiltration pool using the dykes and dams formed by planting soil, and the pool bottom on the infiltration pool is from bottom to top
It is followed successively by soil basic unit, filtering medium layer, permeable geotextiles and planting soil layer, the filtering medium layer and the permeable geotextiles
Extend in the dykes and dams, the water outlet on the infiltration pool is equipped with the delivery pipe being mutually connected with urban rainwater canal system system, described
The horizontal blow-down pipe for being equipped with connection delivery pipe and vertical overflow pipe are permeated in the pool.
As the further preferred technical solution of the utility model, the horizontal blow-down pipe is equipped with valve, the valve
For motor-driven valve or hand-operated valve.
As the further preferred technical solution of the utility model, the tube top mouth of the vertical overflow pipe is with permeating the pool most
High design water level is concordant, and the tube top mouth of overflow pipe is equipped with the grid for filtering.
As the further preferred technical solution of the utility model, on the edge on the preposition pool, kind, which is implanted with, resistance to rushes plant.
As the further preferred technical solution of the utility model, the grade of side slope on the infiltration pool is not less than 1:3.
As the further preferred technical solution of the utility model, the planting soil layer thickness on the infiltration pool for 200 ~
300mm, 300 ~ 500mm of thickness of filtering medium layer, the material of the filtering medium layer is coarse gravel.
The rainwater purification structure for sponge urban construction of the utility model can reach following beneficial effect:
The rainwater purification structure for sponge urban construction of the utility model, by including by rainfall runoff direction and being in
The stepped setting pot set gradually, the preposition pool and the infiltration pool, the water inlet of the setting pot is with being used for surface rain confluence
Soleno- is connected, and the rubble for being useful for filtering rainwater, the preposition pool and the infiltration pool are accumulated between the setting pot and the preposition pool
Between separated using the dykes and dams that are formed by planting soil, the pool bottom on the infiltration pool is followed successively by soil basic unit, filtering Jie from bottom to top
Matter layer, permeable geotextiles and planting soil layer, the filtering medium layer and the permeable geotextiles are extended in the dykes and dams, described
The water outlet on the infiltration pool is equipped with the delivery pipe being mutually connected with urban rainwater canal system system, and connection delivery pipe is equipped with the infiltration pool
Horizontal blow-down pipe and vertical overflow pipe so that the utility model can be fully by rainwater-collecting, purification, recycling and sponge city
The theory of city's construction is combined, so that on the premise of city prevention waterlogging safety is ensured, realizes rainwater in city model to greatest extent
Interior collection, infiltration, purification and utilization are enclosed, so not only can effectively alleviate and reduce the pressure of urban waterlogging, promotes rainwater
The utilization of resource, and also well meet the requirement of sponge urban construction.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the plane signal of an example of the rainwater purification structure offer that the utility model is used for sponge urban construction
Figure;
Fig. 2 is that the utility model is used for the organigram that the rainwater purification structure of sponge urban construction provides.
In figure:1st, water inlet, 2, setting pot, 3, preposition pond, 4, the infiltration pool, 5, delivery pipe, 6, vertical overflow pipe, 7, broken
Stone, 8, planting soil, 9, permeable geotextiles, 10, soil basic unit, 11, horizontal blow-down pipe.
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Embodiment
Below in conjunction with attached drawing and embodiment, the utility model is described further.In preferred embodiment
Cited such as " on ", " under ", "left", "right", only " centre " and " one " term, understanding for ease of narration, and be not used to
The enforceable scope of the utility model is limited, its relativeness is altered or modified, in the case where changing technology contents without essence, when also
It is considered as the enforceable category of the utility model.
Fig. 1 is the plane signal of an example of the rainwater purification structure offer that the utility model is used for sponge urban construction
Figure, Fig. 2 is that the utility model is used for the organigram that the rainwater purification structure of sponge urban construction provides, such as Fig. 1 and Fig. 2 institutes
Show, the rainwater purification structure for sponge urban construction is included by rainfall runoff direction and the stepped setting pot set gradually
2nd, the preposition pool and the infiltration pool 4, the water inlet 1 of the setting pot 2 are connected with for the soleno- of surface rain confluence, the sand setting
Accumulation is useful for the rubble 7 of filtering rainwater between pond 2 and the preposition pool, is used between the preposition pool and the infiltration pool 4 by planting soil 8
The dykes and dams of formation separate, and the pool bottom on the infiltration pool 4 is followed successively by soil basic unit 10, filtering medium layer, permeable geotechnique from bottom to top
8 layers of cloth 9 and planting soil, the filtering medium layer and the permeable geotextiles 9 are extended in the dykes and dams, the infiltration pool 4
Water outlet is equipped with the delivery pipe 5 being mutually connected with urban rainwater canal system system, and the water of connection delivery pipe 5 is equipped with the infiltration pool 4
Keep flat blank pipe 11 and vertical overflow pipe 6.
The horizontal blow-down pipe 11 is equipped with valve, and the valve is motor-driven valve or hand-operated valve.
The tube top mouth of the vertical overflow pipe 6 is concordant with the highest design water level for permeating the pool 4, and the tube top mouth of overflow pipe is set
It is useful for the grid of filtering.
Kind, which is implanted with, on the edge on the preposition pool resistance to rushes plant.
The grade of side slope on the infiltration pool 4 is not less than 1:3, which also refers to the vertical edges and horizontal sides of side slope
Ratio is not less than 1:3,8 layer thickness of planting soil on the infiltration pool 4 is 200 ~ 300mm, the thickness 300 of filtering medium layer ~
500mm, the material of the filtering medium layer is coarse gravel.
The utility model is by using above-mentioned technical proposal so that its rainwater purification process is as follows:Rainfall → confluence → broken
Stone 7 buffers → and preposition heavy mud → storage oozes → overflow → drainage water reuse.The utility model focus on to natural river course, lake, wetland,
The protection and utilization of swag, irrigation canals and ditches, not only greatly reduce the quantities for building drainage pipeline and reinforced concrete water pond.Meanwhile
Regulate and store facility and be often combined with the existing greenery patches in city, gardens, landscape water body, ' having a net increase of cost ' than relatively low, not only significantly
Water Environmental Pollution Control expense is reduced, reduces huge loss caused by urban waterlogging;Moreover, in the long term, non-but not increase
Urban construction investment, will be a cost savings on the contrary.
The utility model can meet following design feature:
1)The pretreatment such as setting pot 2, preposition pond 3 facility is provided with before the infiltration pool 4, setting pot 2 is while current are alleviated
The bulky grain pollutant in rainwater is can remove, current are alleviated in preposition pond 3 again, and make the little particles such as the small silt in rainwater dirty
Dye thing precipitates.
2)There are gradient relation between the preposition pool and the infiltration pool 4 so that rainwater in the preposition pool is by permeating the pool wall on the pool 4
Infiltrated through with pool bottom in the infiltration pool 4, sufficient purification reached in rain penetration filter process,
3)The grade of side slope for permeating the pool 4 is not less than 1:3, its bottom of pond to spilling water position is not less than 0.6m, suitable for catchment area
It is larger(More than 1hm2), and the region with certain space condition, such as greenery patches square and one residential.
4)The infiltration pool 4 prevents waterlogging, when its emptying time is small not less than 24 to meet continuous water-holding capacity.
Although the foregoing describing specific embodiment of the present utility model, those skilled in the art should manage
Solution, these are merely illustrative of, and various changes or modifications can be made to present embodiment, without departing from the original of the utility model
Reason and essence, the scope of protection of the utility model are only limited by the claims that follow.
Claims (6)
1. a kind of rainwater purification structure for sponge urban construction, it is characterised in that including by rainfall runoff direction and be in rank
Setting pot, the preposition pool and the infiltration pool that scalariform is set gradually, the water inlet of the setting pot and the pipe for surface rain confluence
Or ditch is connected, between the setting pot and the preposition pool accumulation be useful for filtering rainwater rubble, the preposition pool with infiltration the pool it
Between separated using the dykes and dams that are formed by planting soil, the pool bottom for permeating the pool is followed successively by soil basic unit, filter medium from bottom to top
Layer, permeable geotextiles and planting soil layer, the filtering medium layer and the permeable geotextiles are extended in the dykes and dams, described to ooze
The water outlet on the saturating pool is equipped with the delivery pipe being mutually connected with urban rainwater canal system system, and connection delivery pipe is equipped with the infiltration pool
Horizontal blow-down pipe and vertical overflow pipe.
2. the rainwater purification structure described in accordance with the claim 1 for sponge urban construction, it is characterised in that the level is put
Blank pipe is equipped with valve, and the valve is motor-driven valve or hand-operated valve.
3. the rainwater purification structure described in accordance with the claim 2 for sponge urban construction, it is characterised in that described vertical excessive
The tube top mouth of flow tube is concordant with the highest design water level for permeating the pool, and the tube top mouth of overflow pipe is equipped with the grid for filtering.
4. the rainwater purification structure described in accordance with the claim 3 for sponge urban construction, it is characterised in that the preposition pool
Edge on kind be implanted with and resistance to rush plant.
5. according to the rainwater purification structure for sponge urban construction described in claim 4, it is characterised in that the infiltration pool
Grade of side slope be not less than 1:3.
6. it is used for the rainwater purification structure of sponge urban construction according to claim 1 to 5 any one of them, it is characterised in that
The planting soil layer thickness on the infiltration pool is 200 ~ 300mm, 300 ~ 500mm of thickness of filtering medium layer, the filtering medium layer
Material be coarse gravel.
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CN201720755918.6U CN207348137U (en) | 2017-06-27 | 2017-06-27 | A kind of rainwater purification structure for sponge urban construction |
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CN201720755918.6U CN207348137U (en) | 2017-06-27 | 2017-06-27 | A kind of rainwater purification structure for sponge urban construction |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112627303A (en) * | 2020-11-26 | 2021-04-09 | 中国建筑第八工程局有限公司 | Filter type regulation and storage canal system suitable for drainage pipe network row mouth regulation and storage control |
CN112726772A (en) * | 2021-01-07 | 2021-04-30 | 江苏龙腾工程设计股份有限公司 | Wet pond system for sponge city and method for purifying rainwater by using wet pond system |
CN113325489A (en) * | 2021-05-17 | 2021-08-31 | 中建八局第三建设有限公司 | Sponge city rainwater wet pond performance monitoring system |
CN113653155A (en) * | 2021-08-25 | 2021-11-16 | 重庆西恒工程咨询有限公司 | Sponge urban rainwater drainage governing system |
CN114541555A (en) * | 2022-02-28 | 2022-05-27 | 中冶南方城市建设工程技术有限公司 | Automatic rainwater regulation and storage system |
-
2017
- 2017-06-27 CN CN201720755918.6U patent/CN207348137U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112627303A (en) * | 2020-11-26 | 2021-04-09 | 中国建筑第八工程局有限公司 | Filter type regulation and storage canal system suitable for drainage pipe network row mouth regulation and storage control |
CN112726772A (en) * | 2021-01-07 | 2021-04-30 | 江苏龙腾工程设计股份有限公司 | Wet pond system for sponge city and method for purifying rainwater by using wet pond system |
CN113325489A (en) * | 2021-05-17 | 2021-08-31 | 中建八局第三建设有限公司 | Sponge city rainwater wet pond performance monitoring system |
CN113653155A (en) * | 2021-08-25 | 2021-11-16 | 重庆西恒工程咨询有限公司 | Sponge urban rainwater drainage governing system |
CN114541555A (en) * | 2022-02-28 | 2022-05-27 | 中冶南方城市建设工程技术有限公司 | Automatic rainwater regulation and storage system |
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