CN104612210B - A kind of dynamic infiltration rainpool system based on low impact exploitation - Google Patents
A kind of dynamic infiltration rainpool system based on low impact exploitation Download PDFInfo
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- CN104612210B CN104612210B CN201510046182.0A CN201510046182A CN104612210B CN 104612210 B CN104612210 B CN 104612210B CN 201510046182 A CN201510046182 A CN 201510046182A CN 104612210 B CN104612210 B CN 104612210B
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- rainpool
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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
The invention belongs to municipal engineering, environmental protection technical field, be specifically related to a kind of dynamic infiltration rainpool system based on low impact exploitation.During rainfall, by rain water collecting system rainwater is transported in rainpool and saves; The lower seepage hole of some dynamic keyings is set in rainpool, oozes under controlling rainpool by the electric butterfly valve above lower seepage hole.The rainpool rainy day, when becoming a mandarin, butterfly valve was opened under the rainpool water level condition of setting, and by regulation and control rainpool water level and Groundwater potential difference, the lower infiltration rate rate of dynamic adjustments rainpool, makes rainwater under higher level difference, oozes fast.Rainwater oozes to macadam under lower seepage hole, oozes under slowly-releasing.After rainfall terminates, the electric butterfly valve above lower seepage hole cuts out, and the rainwater stored is used as rainpool landscape water.
Description
Technical field
The invention belongs to municipal engineering, environmental protection technical field, be specifically related to a kind of dynamic infiltration rainpool system based on low impact exploitation.
Background technology
In urbanization process, Permeable stratum area increases and extreme weather conditions superposition, has caused urban waterlogging problem, serious threat city operations safety." sponge urban construction technical manual-low impact exploitation storm-water system builds " that house and town and country construction portion promulgate in July, 2014 proposes, urban construction from now on will be emphasized to control as main planning and design concept with " arranging slowly-releasing slowly " and " source dispersion ", adopt the low development stimulation that affects from source reduction rainfall runoff, specific implementation comprises concave herbaceous field, the rain penetration pool, Rain Garden, infiltration well, infiltration ground, infiltration pipe duct and grass planting irrigation canals and ditches etc.
Rainpool as the low one affecting development facility, have store and under ooze rainwater effect, ooze under it ability integration be subject to vertical under blend the impact of level to diffusivity.But in the higher area of groundwater level (especially south China area), after rainwater infiltration, diffusivity is in the horizontal direction not enough, oozes ability under constraining rainpool.The ongoing research of present invention applicant shows, in groundwater level region, head difference under rainpool between infiltration rate rate and rainpool water level-groundwater level is linear, namely water-head is larger, rainwater infiltration speed is larger (Yin Hailong also, Xie Ming. based on rainpool Infiltration experiment research [A] of dynamically infiltration. the 13 national hydrodynamics academic conference and the 26 national hydrodynamics seminar collected works [C]. Beijing: Chinese Sea publishing house, 2014:649-656).Based on this, the present invention proposes a kind of dynamic infiltration rainpool system based on low impact exploitation, by regulation and control rainpool water level, ooze under promoting rainpool, reach the target of oozing under rainfall runoff is collected.
Summary of the invention
The invention reside in solve and affect development facility rainwater infiltration capability problems by the low of groundwater level restriction.The object of the present invention is to provide a kind of dynamic infiltration rainpool system based on low impact exploitation.The present invention is based on sponge urban construction theory, follow the preferential principle of the ecology, combined by natural way with artificial measures, exploitation meets the dynamic infiltration rainpool that low impact exploitation storm-water system requires.When running into rainfall, collect on the spot, save rainwater, by the head difference between regulation and control rainpool water level and groundwater level, the lower infiltration rate rate of dynamic adjustments rainwater, oozes under making rainwater fast, increases facility and holds performance to rainwater.After rainfall stops, can retaining in rainpool, maintain water landscape.
A kind of dynamic infiltration rainpool system based on low impact exploitation that the present invention proposes, comprise rain collector, shunting well, preliminary-stage rainwater flow-discarding well, rainpool and lower seepage hole, wherein: the delivery port of several rain collectors connects the water inlet of shunting well respectively by storm sewer, the delivery port of shunting well connects preliminary-stage rainwater flow-discarding well and city planting ductwork respectively by storm sewer, the rainwater exceeding rainpool design maximum penetrating power when shunting well enters city planting ductwork through shunting well separation panel, the delivery port of preliminary-stage rainwater flow-discarding well connects rainpool by storm sewer, rainwater passes through seepage hole and controls to ooze dynamically in rainpool,
Described rainpool comprise impervious barrier, under ooze conduit, sealing piece, macadam and soil horizon; Soil horizon laid by the bottom of rainpool, and macadam is laid in edaphic top, and the top of macadam arranges impervious barrier; Meanwhile, on impervious barrier, perforate oozes conduit under arranging several, under ooze conduit and impervious barrier junction arranges sealing piece, make down to ooze conduit and impervious barrier realizes seamless seal;
Described lower seepage hole comprises capping flanged plate, bolt, customization nut and electric butterfly valve; Under ooze above conduit a mobilizable capping flanged plate be installed, make capping flanged plate can with under ooze conduit and carry out freely sealing opening and closing; Capping flanged plate is offered a circular open; By bolt and customization nut, butterfly valve seal is fixed on the circular open of capping flanged plate, makes butterfly valve to comprise circular open.According to the change of rainpool water level, controlled the freely openable of butterfly valve by the motor on electric butterfly valve, to obtain maximum infiltration capacity;
Rainfall, after rain collector is collected, is delivered to shunting well by storm sewer, by shunting well, the rainwater collected is divided into two-way: a part of rainwater enters rainpool by preliminary-stage rainwater flow-discarding well; Another part oozes ability rainwater under exceeding rainpool enters neighbouring city planting ductwork.Enter the rainwater of rainpool, utilize rainpool and Groundwater potential difference, opened and closed by electric butterfly valve and realize dynamically regulating and storing down oozing to the rainwater in rainpool: during rainfall, when rainpool water level rises to maximum permission height of water level, by motor, butterfly valve remote control is opened, the rainwater entering rainpool oozes under lower seepage hole enters macadam, realizes oozing under under rate conditions under maximum oozing.At the end of rainfall, by motor by butterfly valve remote closing, the retaining in rainpool is used as landscape water.
Beneficial effect of the present invention is:
(1) by water level and Groundwater potential difference in regulation and control rainpool, make rainpool remain on comparatively relative superiority or inferiority and ooze under under rate conditions and ooze;
(2) installation cost is low, and operation realizes and safeguards simple, can batch application;
(3) environmental protection, meets sponge urban construction theory, has national policy support;
(4) be widely used, be convenient to promote, this device can carry out the rebuilding and expansion of the of the existing enterprises in conjunction with existing utilities such as urban construction demand, terrain, park green lands, can better meet townsfolk to demand of urban green space, wetland and Living Water Park etc., be convenient to this system in society universal with promote.
Accompanying drawing explanation
Fig. 1 is system flow control chart of the present invention.
Fig. 2 is rainpool sectional drawing of the present invention.
Fig. 3 is dynamic lower seepage hole scheme of installation of the present invention.
Fig. 4 is dynamic lower seepage hole top view of the present invention.
Number in the figure: 1-rainfall, 2-rain collector, 3-storm sewer, 4-shunting well, 5-city planting ductwork, 6-preliminary-stage rainwater flow-discarding well, 7-rainpool, 8-impervious barrier, 9-macadam, 10-soil horizon, 11-sealing piece, oozes conduit under 12-, 13-capping flanged plate, 14-butterfly valve, 15-set bolt, 16-hold-down nut, 17-motor, seepage hole under 18-.
Detailed description of the invention
To be described further by embodiment below in conjunction with accompanying drawing.
Embodiment 1: described device comprise rain collector 2, shunting well 4, city planting ductwork 5, preliminary-stage rainwater flow-discarding well 6, rainpool 7, impervious barrier 8, macadam 9, soil horizon 10, sealing piece 11, under ooze conduit 12, capping flanged plate 13, butterfly valve 14, set bolt 15, hold-down nut 16, motor 17, lower seepage hole 18; Some square concrete rain collectors 2 are set, make rainfall 1 can be able to effective collection by rain collector 2; The rainwater that rain collector 2 is collected is delivered to shunting well 4 by storm sewer 3 and shunts, and a part of rainwater is by preliminary-stage rainwater flow-discarding well 6, and by early-stage rainwater stream abandoning high for concentration of suspension, the relative clean rainwater after abandoned stream enters the rainwater infiltration pool 7; Another part exceed rainpool 7 maximum under ooze the rainwater of ability, enter neighbouring city planting ductwork 5.
The agent structure of rainpool 7 comprise impervious barrier 8, macadam 9, soil horizon 10, sealing piece 11, under ooze conduit 12; The rainpool 7 of one constant volume is set, undermost for rainpool 7 soil horizon 10 is laid smooth after, above soil horizon 10, laying depth is the macadam 9 of 500mm, then the impervious barrier 8 of thickness setting 50mm above macadam 10; It is ooze conduit 12 under 500mm that impervious barrier 8 arranges some external diameters, by under ooze the rubber annular sealing piece 11 that thickness is 20mm, internal diameter is 500mm, external diameter is 550mm that conduit 12 periphery arranges, by under ooze conduit 12 and realize seamless seal with impervious barrier 8.
Dynamically the agent structure of lower seepage hole comprises capping flanged plate 13, butterfly valve 14, set bolt 15, hold-down nut 16, motor 17 and lower seepage hole 18; Under ooze that diameter installed by conduit 12 is the mobilizable capping flanged plate 13 of 500mm, make capping flanged plate 13 can with under ooze conduit 12 and carry out freely being tightly connected, it is seepage hole 18 under 200mm circle that capping flanged plate 13 is opened diameter, install directly over seepage hole 18 under circle diameter be the butterfly valve 14 of the 300mm Water level trend realized in rainpool 7 control and dynamically under ooze; Butterfly valve 14 glue seals to be fixed under the circle of capping flanged plate 13 in seepage hole 18 by the hold-down nut 16 that the set bolt 15 utilizing diameter to be 30mm and diameter are 30mm, makes butterfly valve 14 can cover circular lower seepage hole 18.According to the dynamic change of rainpool water level, controlled the opening and closing of butterfly valve 14 by the motor 17 that butterfly valve 14 control crank is installed.
During rainfall, rainwater enters rainpool 7 through rain collector 2, shunting well 4, preliminary-stage rainwater flow-discarding well 6.When in rainpool, water level rises to the highest permission water level, opened by butterfly valve 14 by motor 17 remote control, the rainwater entering rainpool 7 enters under macadam 9 carries out slowly-releasing through lower seepage hole 18 and oozes.Now, because the water-head between rainpool water level and groundwater level reaches the highest, the rainwater received in rainpool can to ooze under relatively high infiltration rate.Rainfall stops, and after rainpool 7 no longer receives rainwater, oozes under being stopped by motor 17 remote closing butterfly valve 14, and the rainwater stored in rainpool is used as landscape water.
Claims (1)
1. the dynamic infiltration rainpool system based on low impact exploitation, comprise rain collector, shunting well, preliminary-stage rainwater flow-discarding well, rainpool and lower seepage hole, it is characterized in that: the delivery port of several rain collectors connects the water inlet of shunting well respectively by storm sewer, the delivery port of shunting well connects preliminary-stage rainwater flow-discarding well and city planting ductwork respectively by storm sewer, the rainwater exceeding rainpool design maximum penetrating power when shunting well enters city planting ductwork through shunting well separation panel, the delivery port of preliminary-stage rainwater flow-discarding well connects rainpool by storm sewer, rainwater passes through seepage hole and controls to ooze dynamically in rainpool,
Described rainpool comprise impervious barrier, under ooze conduit, sealing piece, macadam and soil horizon; Soil horizon laid by the bottom of rainpool, and macadam is laid in edaphic top, and the top of macadam arranges impervious barrier; Meanwhile, on impervious barrier, perforate oozes conduit under arranging several, under ooze conduit and impervious barrier junction arranges sealing piece, make down to ooze conduit and impervious barrier realizes seamless seal;
Described lower seepage hole comprises capping flanged plate, bolt, customization nut and butterfly valve; Under ooze above conduit a mobilizable capping flanged plate be installed, make capping flanged plate can with under ooze conduit and carry out freely sealing opening and closing; Capping flanged plate is offered a circular open; By bolt and customization nut, butterfly valve seal is fixed on the circular open of capping flanged plate, makes butterfly valve to comprise circular open; According to the change of rainpool water level, controlled the freely openable of butterfly valve by the motor on butterfly valve, to obtain maximum infiltration capacity;
Rainfall, after rain collector is collected, is delivered to shunting well by storm sewer, by shunting well, the rainwater collected is divided into two-way: a part of rainwater enters rainpool by preliminary-stage rainwater flow-discarding well; Another part oozes ability rainwater under exceeding rainpool enters neighbouring city planting ductwork; Enter the rainwater of rainpool, utilize rainpool and Groundwater potential difference, opened and closed by butterfly valve and realize dynamically regulating and storing down oozing to the rainwater in rainpool: during rainfall, when rainpool water level rises to maximum permission height of water level, by motor, butterfly valve remote control is opened, the rainwater entering rainpool oozes under lower seepage hole enters macadam, realizes oozing under under rate conditions under maximum oozing; At the end of rainfall, by motor by butterfly valve remote closing, the retaining in rainpool is used as landscape water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510046182.0A CN104612210B (en) | 2015-01-30 | 2015-01-30 | A kind of dynamic infiltration rainpool system based on low impact exploitation |
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| CN201510046182.0A CN104612210B (en) | 2015-01-30 | 2015-01-30 | A kind of dynamic infiltration rainpool system based on low impact exploitation |
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| CN104612210A CN104612210A (en) | 2015-05-13 |
| CN104612210B true CN104612210B (en) | 2016-04-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480966A (en) * | 2016-12-06 | 2017-03-08 | 同济大学 | A kind of rain sewage dams and auto purification type sand-catching apparatus |
| CN107642157B (en) * | 2017-08-08 | 2023-09-12 | 华汇工程设计集团股份有限公司 | Infiltration canal system with rainwater regulation function |
| CN111851714B (en) * | 2020-07-03 | 2021-05-04 | 华北水利水电大学 | Rainfall flood resource recycling system reconstructed based on existing drainage system |
| CN112504917A (en) * | 2020-12-15 | 2021-03-16 | 同济大学 | Sponge city LID facility simulation system |
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| CN1920193A (en) * | 2006-09-22 | 2007-02-28 | 董国良 | Urban underground water supply system for rain water collection and pavement flood prevention |
| CN202595883U (en) * | 2012-05-31 | 2012-12-12 | 深圳市建筑设计研究总院有限公司 | Automatic rainwater removing and recycling system and automatic rainwater-collecting system |
| CN203477345U (en) * | 2013-08-09 | 2014-03-12 | 天津市莱斯特阀门有限公司 | Rubber butterfly valve with valve controller |
| CN204435461U (en) * | 2015-01-30 | 2015-07-01 | 同济大学 | A kind of dynamic infiltration rainpool system based on low impact exploitation |
-
2015
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Patent Citations (5)
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|---|---|---|---|---|
| US7066197B1 (en) * | 2002-08-30 | 2006-06-27 | Urban Rainwater Systems Pty Ltd | Supplying water to a reticulation system from different sources |
| CN1920193A (en) * | 2006-09-22 | 2007-02-28 | 董国良 | Urban underground water supply system for rain water collection and pavement flood prevention |
| CN202595883U (en) * | 2012-05-31 | 2012-12-12 | 深圳市建筑设计研究总院有限公司 | Automatic rainwater removing and recycling system and automatic rainwater-collecting system |
| CN203477345U (en) * | 2013-08-09 | 2014-03-12 | 天津市莱斯特阀门有限公司 | Rubber butterfly valve with valve controller |
| CN204435461U (en) * | 2015-01-30 | 2015-07-01 | 同济大学 | A kind of dynamic infiltration rainpool system based on low impact exploitation |
Non-Patent Citations (2)
| Title |
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| 基于低影响开发（LID）的可持续城市雨水系统;邢薇等;《中国给水排水》;20111031;第27卷(第20期);第13-16页 * |
| 基于动态渗透的雨水塘下渗试验研究;尹海龙等;《第十三届全国水动力学学术会议暨第二十六届全国水动力学研讨会文集》;20140701;第649-656页 * |
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Granted publication date: 20160406 Termination date: 20190130 |