CN209723179U - A kind of rainwater utilization system for sponge city - Google Patents

A kind of rainwater utilization system for sponge city Download PDF

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Publication number
CN209723179U
CN209723179U CN201920151671.6U CN201920151671U CN209723179U CN 209723179 U CN209723179 U CN 209723179U CN 201920151671 U CN201920151671 U CN 201920151671U CN 209723179 U CN209723179 U CN 209723179U
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rainwater
well
water
general pipeline
abandoned stream
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CN201920151671.6U
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Chinese (zh)
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凌玉山
吴东芳
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Chongqing Garden Construction Engineering (group) Ltd By Share Ltd
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Chongqing Garden Construction Engineering (group) Ltd By Share Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/30Flood prevention; Flood or storm water management, e.g. using flood barriers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

A kind of rainwater utilization system for sponge city, including rainwater-collecting ditch, rainwater discharging well, conditioning tank, cut dirty well, sedimentation basin and clean room, rain water drainage bottom is equipped with abandoned stream mouth, and floating ball device is equipped at abandoned stream mouth, and abandoned stream mouth bottom, which is equipped with, is connected to abandoned stream pipe with municipal wastewater general pipeline;The first strainer is equipped between rainwater-collecting ditch and rainwater discharging well;The second strainer is equipped between rainwater discharging well and conditioning tank;It cuts dirty bottom and is equipped with Prefabricated combined septic tank;The water inlet end of the collector pipe cut between dirty well and sedimentation basin is equipped with third strainer;It is connected between sedimentation basin and clean room by water-delivery pump;Purification device is equipped in clean room;The water outlet of reservoir is connected to urban water general pipeline;The advantageous effects of the utility model are: it can carry out multiple filtration to rainwater, greatly improve the effect of rainwater purification, hence it is evident that reduce the pressure of sewerage system, urban waterlogging phenomenon is reduced, so that rainwater resource is better utilized.

Description

A kind of rainwater utilization system for sponge city
Technical field
The utility model relates to construction engineering technical field, specially a kind of rainwater utilization system for sponge city.
Background technique
With the quickening of urbanization process, some city water resource shortage in China, water environment pollution, flood and ecology The problems such as environmental degradation, is very serious.During constructing urban sustainable development water circulation system, rainwater is as water circulation system In a key element play an important role.Therefore, how urban rainwater is implemented effectively to control to utilize to have become city The important topic that political affairs, planning, building, water conservancy etc. must be paid attention to.
Sponge city is new generation of city storm water management concept.It can be by most of rainwater by the construction in sponge city It leaves rather than all drains, realize that rainwater in the accumulation, infiltration and purification of urban area, promotes rainwater resource to the maximum extent Utilization and ecological environmental protection.
Since natural rain often carries house refuse and pollutant on large number of ground, and the rain in existing sponge city Water Collection utilization system does not mostly filter rainwater preferably, so that the rainwater for adulterating various impurity is directly discharged to sponge In the Rainwater collection system in city, it is easy to generate blocking to inbuilt pipeline, influences entire water storage process, and then cannot be very The effect for accumulating rainwater, there are rainwater utilization effect is poor, the low deficiency of purification efficiency are played well.
Utility model content
The purpose of the utility model is to provide a kind of rainwater utilization systems for sponge city, it can carry out rainwater more Layer filtering, greatly improves the effect of rainwater purification, hence it is evident that the pressure of sewerage system is reduced, so that rainwater resource obtains Preferably utilize.
To achieve the above object, following technical scheme: a kind of rainwater utilization system for sponge city, including city is proposed Political affairs rainwater general pipeline and municipal wastewater general pipeline further includes rainwater-collecting ditch, rainwater discharging well, conditioning tank, cuts dirty well, sedimentation basin and net Change room, rainwater-collecting ditch, rainwater discharging well, conditioning tank pass sequentially through municipal rainwater general pipeline with a section dirty well and be connected to;It cuts dirty room and sinks Between the pond of shallow lake, it is connected to by collector pipe between clean room and reservoir;Rain water drainage bottom is equipped with abandoned stream mouth, at abandoned stream mouth Equipped with floating ball device, abandoned stream mouth bottom, which is equipped with, is connected to abandoned stream pipe with municipal wastewater general pipeline;Rainwater-collecting ditch and rainwater discharging well it Between municipal rainwater general pipeline water inlet end be equipped with the first strainer;Municipal rainwater general pipeline water inlet end between rainwater discharging well and conditioning tank Equipped with the second strainer;It cuts dirty bottom and is equipped with Prefabricated combined septic tank;The water inlet end for cutting the collector pipe between dirty well and sedimentation basin is equipped with the Three strainers;It is connected between sedimentation basin and clean room by water-delivery pump;Purification device is equipped in clean room;The water outlet of reservoir with Urban water general pipeline connection.
The working principle of the utility model and be using principle: rainwater-collecting ditch is used for rainwater-collecting, and passes through city Political affairs rainwater general pipeline successively flows into rainwater discharging well, conditioning tank and cuts dirty well, and a part of rainwater is shunted, and is collected net Change, reduce the pressure of sewerage system, reduces urban waterlogging phenomenon.Enter rainwater discharging well from rainwater-collecting ditch in rainwater When, by the first strainer, primary filtration can be carried out to the solid refuse mixed in rainwater, solid refuse reaches certain cumulant When, it can also clear up in time.Since in the case where rainfall is small, rainwater pollution is generally more serious, abandoned stream mouth is in and opens at this time State is opened, rainwater directly passes through abandoned stream mouth and enters abandoned stream pipe, is imported into municipal wastewater general pipeline, without allowing flow into conditioning tank It is interior;When rainfall is big, the water for entering rainwater discharging well from rainwater-collecting ditch is big, and abandoned stream nozzle diameter is smaller, and rainwater is in rainwater Aggregation, water level are gradually increasing, float floating ball device, abandoned stream mouth is blocked in abandoned stream well, and rainwater is made to pass through the second strainer filtering Enter in conditioning tank afterwards;Conditioning tank influences this system by rainwater peak flow, increases system fortune for adjusting water flow Row load.The water outlet of conditioning tank be connected to a dirty well is cut, can be by the impurity in rainwater into one when rainwater is by third strainer The retention of step ground, impurity drops into Prefabricated combined septic tank, and when impurities accumulation is more, openable section of dirty well well lid is cleared up in time;Then Rainwater is entered in sedimentation basin and is precipitated, and the rainwater after precipitating is pumped into progress purified treatment in clean room by output, By being pumped into reservoir, final reservoir is imported into urban water general pipeline rainwater by purification, is used by city Supply mains transports to urban ground, as carwash, afforests and other are used with water.
The advantageous effects of the utility model are: it can carry out multiple filtration to rainwater, greatly improve rainwater purification Effect, hence it is evident that reduce the pressure of sewerage system, urban waterlogging phenomenon is reduced, so that rainwater resource has obtained better benefit With.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the utility model for the rainwater utilization system in sponge city.
In figure: municipal rainwater general pipeline 1, municipal wastewater general pipeline 2, rainwater-collecting ditch 3, rainwater discharging well 4, conditioning tank 5, cutting dirt Well 6, sedimentation basin 7, clean room 8, collector pipe 9, abandoned stream mouth 10, floating ball device 11, abandoned stream pipe 12, the first strainer 13, the second strainer 14, Prefabricated combined septic tank 15, third strainer 16, water-delivery pump 17, urban water general pipeline 18, active carbon filter plate 19, diatom ooze filter plate 20, water tank 21, elevator pump 22, let out dirty valve 23, reservoir 24.
Specific embodiment
In the following with reference to the drawings and specific embodiments the rainwater utilization system for sponge city a kind of to the utility model into One step explanation.
As shown in Figure 1, a kind of rainwater utilization system for sponge city, including municipal rainwater general pipeline 1 and municipal wastewater General pipeline 2, which is characterized in that further include rainwater-collecting ditch 3, rainwater discharging well 4, conditioning tank 5, cut dirty well 6, sedimentation basin 7 and purification Room 8, rainwater-collecting ditch 3, rainwater discharging well 4, conditioning tank 5 pass sequentially through municipal rainwater general pipeline 1 with a section dirty well 6 and are connected to;Cut dirty room Between sedimentation basin 7, it is connected to by collector pipe 9 between clean room 8 and reservoir 24;4 bottom of rainwater discharging well is equipped with abandoned stream Mouth 10, abandoned stream mouth 10 are lower than the height of municipal rainwater general pipeline 1;Floating ball device 11 is equipped at abandoned stream mouth 10,10 bottom of abandoned stream mouth is set Have and is connected to abandoned stream pipe 12 with municipal wastewater general pipeline 2;Municipal rainwater general pipeline 1 water inlet between rainwater-collecting ditch 3 and rainwater discharging well 4 End is equipped with the first strainer 13;Municipal 1 water inlet end of rainwater general pipeline between rainwater discharging well 4 and conditioning tank 5 is equipped with the second strainer 14; It cuts dirty 6 bottom of well and is equipped with Prefabricated combined septic tank 15;The water inlet end of the collector pipe 9 cut between dirty well 6 and sedimentation basin 7 is equipped with third strainer 16;It is connected between sedimentation basin 7 and clean room 8 by water-delivery pump 17;Purification device is equipped in clean room 8;The water outlet of reservoir 24 End is connected to urban water general pipeline 18.
Municipal rainwater general pipeline 1 and municipal wastewater general pipeline 2 all have certain slope, can make water from eminence to lower stream; Rainwater-collecting ditch 3 successively flows into rainwater discharging well 4, conditioning tank 5 by municipal rainwater general pipeline 1 and cuts dirt for collecting rainwater Well 6 shunts a part of rainwater, and carries out collection and purification, reduces the pressure of urban rainwater general pipeline, reduces urban waterlogging The phenomenon that.
It, can be to mixing in rainwater by the first strainer 13 when rainwater enters rainwater discharging well 4 from rainwater-collecting ditch 3 Solid refuse carry out primary filtration, when solid refuse reaches certain cumulant, can also clear up in time.Due to small in rainfall In the case of, rainwater pollution is generally more serious, and abandoned stream mouth 10 is in the open state at this time, and rainwater directly passes through the entrance of abandoned stream mouth 10 Abandoned stream pipe 12 is imported into municipal wastewater general pipeline 2;Since abandoned stream mouth 10 is lower than the height of municipal rainwater general pipeline 1, rainwater is simultaneously at this time It may not flow into conditioning tank 5;When rainfall is big, the water for entering rainwater discharging well 4 from rainwater-collecting ditch 3 is big, and abandoned stream pipe 12 Bore is smaller, and rainwater is assembled in rainwater discharging well 4, and water level is gradually increasing, and floats floating ball device 11, by 10 envelope of abandoned stream mouth It is stifled, enter in conditioning tank 5 after filtering rainwater by the second strainer 14;Conditioning tank 5 makes this system not for adjusting water flow It is influenced by rainwater peak flow, increases system operating load.The water outlet of conditioning tank 5 be connected to a dirty well 6 is cut, when rainwater passes through the When three strainers 16, the impurity in rainwater can further be retained, impurity drops into Prefabricated combined septic tank 15, when impurities accumulation compared with When more, openable section of dirty 6 well lid of well is cleared up in time;Then rainwater is entered in sedimentation basin 7 and is precipitated, the rainwater after precipitating It is pumped into clean room 8 by output and carries out purified treatment, the rainwater by purification is by being pumped into reservoir 24, finally Reservoir 24 is imported into urban water general pipeline 18, by the transport of urban water general pipeline 18 to urban ground, as carwash, greening And other are used with water.
First strainer 13, the second strainer 14, third strainer 16 are fixed at corresponding above-mentioned position by way of masonry; Prefabricated combined septic tank 15 is placed on the bottom for cutting dirty well 6, and 15 top of Prefabricated combined septic tank is equipped with handle, convenient to take out from a section dirty well 6.Pass through The layering of one strainer 13, the second strainer 14, third strainer 16 filters the most of solid pollutant adulterated in rainwater Fall, then the substances such as bulky grain mud are filtered out by cutting dirty well 6, are precipitated using sedimentation basin 7, by 7 top of sedimentation basin Rainwater is pumped into clean room 8 and is purified, and being finally reached can be using the purpose of recycling, multiple filtration, good purification;Rainwater Collection ditch 3, which may be provided at the easily flooded point in the two sides of road, sunk type square or city, prevents city quickly to collect rainwater Waterlogging;Rainwater discharging well 4, a section dirty well 6 can periodically be cleared up the impurity of filtering by way of opening well lid.
Further, as shown in Figure 1, floating ball device 11 includes floating ball, cross bar, strut and baffle, floating ball and baffle are distinguished It is located at the both ends of cross bar;Cross bar is hinged with strut;Baffle is matched with abandoned stream mouth 10.Strut is fixed by screws in rain water drainage 4 bottom of well;Under normal circumstances, floating ball can be got up baffle pressure by cross bar, keep section dirty mouth in the open state;When rainfall is small When, the pollutant typically contained is more, and utility value is low, and rainwater directly can be discharged into municipal administration by abandoned stream mouth 10 and abandoned stream pipe 12 In common sewer 2;And when rainfall is gradually increased, the water for entering rainwater discharging well 4 from rainwater-collecting ditch 3 is big, and rainwater carries Pollutant tail off, and the relative aperture municipal administration rainwater general pipeline 1 of abandoned stream pipe 12 is small, and rainwater just can be assembled in rainwater discharging well 4, Water level is gradually increasing, and floats floating ball device 11, and abandoned stream mouth 10 is blocked, and is entered after filtering rainwater by the second strainer 14 and is adjusted It saves in pond 5.
Further, as shown in Figure 1, purification device includes active carbon filter plate 19 and diatom ooze filter plate 20, active carbon Filter plate 19 and diatom ooze filter plate 20 are vertically fixed in clean room 8.Active carbon filter plate 19 and diatom ooze filter plate 20 It is fixed on mounting rack, mounting rack is fixed by screws on the inner wall of clean room.Active carbon filter plate 19 and diatom ooze filtering It is harmful that plate 20 can fall heavy metal contaminants, organic chemicals in rainwater etc. using the granularity and porous filter of particle Substance, while the tiny particles content contained in rainwater can also be filtered out, it removes odors, further increases clean-up effect.
Further, as shown in Figure 1, further including the water tank 21 being connected to reservoir 24, water tank 21 and reservoir 24 Between be equipped with elevator pump 22.Water tank 21 is mounted at earth's surface, and elevator pump 22 is mounted on reservoir 24 and water tank by bolt In connecting tube between 21.By purified rainwater storage in case when dry season or water scarcity utilizes in water tank 21.
Further, as shown in Figure 1,7 bottom of sedimentation basin is connected to by letting out dirty valve 23 with municipal wastewater general pipeline 2;Work as precipitating When mud in pond 7 is more, dirty valve 23 can be let out by opening, in time discharge into mud in municipal wastewater general pipeline 2.
Rainwater-collecting ditch 3, rainwater discharging well 4, conditioning tank 5, a section dirty well 6 are engineering part common in municipal works, And be also documented in building code requirements, this will not be detailed here for specific structure.

Claims (6)

1. a kind of rainwater utilization system for sponge city, including municipal rainwater general pipeline (1) and municipal wastewater general pipeline (2), It is characterized in that, further includes rainwater-collecting ditch (3), rainwater discharging well (4), conditioning tank (5), cuts dirty well (6), sedimentation basin (7) and only Change room (8), rainwater-collecting ditch (3), rainwater discharging well (4), conditioning tank (5) and a section dirty well (6) pass sequentially through municipal rainwater general pipeline (1) it is connected to;It cuts between dirty room and sedimentation basin (7), pass through collector pipe (9) between clean room (8) and reservoir (24) and be connected to;Rain Water abandoned stream well (4) bottom is equipped with abandoned stream mouth (10), is equipped with floating ball device (11) at abandoned stream mouth (10), abandoned stream mouth (10) bottom is equipped with The abandoned stream pipe (12) being connected to municipal wastewater general pipeline (2);Municipal rainwater between rainwater-collecting ditch (3) and rainwater discharging well (4) General pipeline (1) water inlet end is equipped with the first strainer (13);Municipal rainwater general pipeline (1) between rainwater discharging well (4) and conditioning tank (5) into Water end (W.E.) is equipped with the second strainer (14);It cuts dirty well (6) bottom and is equipped with Prefabricated combined septic tank (15);It cuts between dirty well (6) and sedimentation basin (7) The water inlet end of collector pipe (9) is equipped with third strainer (16);It is connected between sedimentation basin (7) and clean room (8) by water-delivery pump (17); Purification device is equipped in clean room (8);The water outlet of reservoir (24) is connected to urban water general pipeline (18).
2. being used for the rainwater utilization system in sponge city as described in claim 1, which is characterized in that floating ball device (11) includes Floating ball, cross bar, strut and baffle, floating ball and baffle are respectively provided at the both ends of strut;Cross bar is hinged with strut;Baffle and abandoned stream mouth (10) it matches.
3. being used for the rainwater utilization system in sponge city as described in claim 1, which is characterized in that purification device includes activity Charcoal filter plate (19) and diatom ooze filter plate (20), active carbon filter plate (19) and diatom ooze filter plate (20) are vertically fixed on In clean room (8).
4. the rainwater utilization system for sponge city as described in any claim in claims 1 to 3, feature exist In, further include the water tank (21) being connected to reservoir (24), between water tank (21) and reservoir (24) be equipped with elevator pump (22).
5. the rainwater utilization system for sponge city as described in any claim in claims 1 to 3, feature exist In sedimentation basin (7) bottom is connected to by letting out dirty valve (23) with municipal wastewater general pipeline (2).
6. being used for the rainwater utilization system in sponge city as claimed in claim 4, which is characterized in that sedimentation basin (7) bottom is logical It crosses and lets out dirty valve (23) and be connected to municipal wastewater general pipeline (2).
CN201920151671.6U 2019-01-29 2019-01-29 A kind of rainwater utilization system for sponge city Active CN209723179U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110980991A (en) * 2019-12-25 2020-04-10 上海智东民航工程设计有限公司 Rainwater treatment system for airports and bridges
CN112376352A (en) * 2020-10-27 2021-02-19 深圳市享泰建筑工程有限公司 Sponge urban rainwater collection and purification integrated system
CN112709285A (en) * 2020-12-21 2021-04-27 苏州城发建筑设计院有限公司 Rainwater collecting and purifying system for high-rise building

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110980991A (en) * 2019-12-25 2020-04-10 上海智东民航工程设计有限公司 Rainwater treatment system for airports and bridges
CN112376352A (en) * 2020-10-27 2021-02-19 深圳市享泰建筑工程有限公司 Sponge urban rainwater collection and purification integrated system
CN112709285A (en) * 2020-12-21 2021-04-27 苏州城发建筑设计院有限公司 Rainwater collecting and purifying system for high-rise building

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