CN113216321A - Zero-labor-consumption lawn water storage system for sponge city - Google Patents
Zero-labor-consumption lawn water storage system for sponge city Download PDFInfo
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- CN113216321A CN113216321A CN202110644767.8A CN202110644767A CN113216321A CN 113216321 A CN113216321 A CN 113216321A CN 202110644767 A CN202110644767 A CN 202110644767A CN 113216321 A CN113216321 A CN 113216321A
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- rainwater
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- 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
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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)
- Road Paving Structures (AREA)
- Sewage (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a zero-labor-consumption lawn water storage system for a sponge city, and relates to the technical field of rainwater collection and utilization in the sponge city. This sponge city zero power consumption lawn water storage system, including lawn rainwater collecting region, the road rainwater collecting region of mating formation, PP rainwater retaining module, rainwater comprehensive recycling district, low reaches rainwater well and municipal water supply module, lawn rainwater collecting region includes the lawn, plants soil layer, well sand bed, 300g geotechnological cloth layer, multi-media filter, lawn retaining module and concrete foundation layer of permeating water, road rainwater collecting region of mating formation is including mating formation road, rubble bed course, stereoplasm water distribution blind ditch/pipe layer, geotechnological cloth layer, lawn retaining module and concrete foundation layer of mating formation. The invention provides a zero-labor consumption lawn water storage system for a sponge city, which accords with the low-influence development principle, the low-power consumption principle and the elastic sponge city idea of the sponge city, absorbs part of rainwater on site, stores and recycles the rainwater, and accords with the simple and low-power consumption principle of rainwater utilization.
Description
Technical Field
The invention relates to the technical field of rainwater collection and utilization in sponge cities, in particular to a zero-labor-consumption lawn water storage system in a sponge city.
Background
A sponge city is a new generation of city rain and flood management concept, and refers to a city with good elasticity in the aspects of adapting to environmental changes and coping with natural disasters caused by rainwater, also called as a water elasticity city, and can rapidly absorb, accumulate, permeate and purify rainwater in a rainfall period, reduce runoff formed by rainwater, replenish underground water, and simultaneously utilize accumulated water through a series of treatment measures and matched pipe network facilities when the city is not rained, so that rainwater resources are better integrated into a water supply and drainage system of the city, a reasonable sponge city water system is created, the original ecological system of the city can be effectively protected, the original damaged ecological system can be slowly recovered, and meanwhile, the influence on the whole urbanization construction development is reduced.
During urban construction, when meeting places such as a green land above a civil air defense garage, a permeable pavement and a roof garden, which are not suitable for being used as a PP module to collect rainwater, the traditional sponge urban construction mode usually uses the following method to treat the rainwater:
1. the sponge city PP rainwater storage module can collect rainwater, but needs an independent filtering system before collection, secondary filtering equipment after collection, cannot seal the sponge city PP rainwater storage module, needs to be supported on an external waterproof geomembrane, and has the risk of water leakage and collapse if being applied to a collapsible loess three-level area;
2. the device only supplies the residual rainwater to the underground water by infiltration, mainly is used for drainage, and cannot secondarily utilize the rainwater;
3. ecological water circulating system in lawn, this system collection rainwater effect is poor, and the pipe network below the lawn of itself can't realize retaining function, and similar trench function is after introducing the water tank to the rainwater, is sent back the pipe network once more by the pump, and watering supply afforestation takes the electricity, takes material and manual work, and the later stage lasts the needs to be maintained.
At present, the rainwater collection and utilization system of cities in China is still in the early stage, the rainwater utilization technology is still laggard and lacks systematicness, the concept of sponge cities provides a comprehensive scheme of the rainwater collection and utilization system, and a new challenge is provided for traditional rainwater collection.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a zero-energy consumption lawn water storage system for sponge cities, and solves the problems that the rainwater collection and utilization system of the cities in China is still in the early stage, the rainwater utilization technology is still lagged and lacks systematicness, the construction projects of the sponge cities in China are still just started, and the process technology, the fund and the project implementation still do not reach the standards for constructing the sponge cities in developed countries.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the sponge city zero-labor-consumption lawn water storage system comprises a lawn rainwater collection area, a paved road rainwater collection area, a PP rainwater water storage module, a rainwater comprehensive recycling area, a downstream rainwater well and a municipal water replenishing module, wherein the lawn rainwater collection area comprises a lawn, a planted soil layer, a medium sand layer, a 300g permeable geotextile layer, a multi-medium filter plate, a lawn water storage module and a concrete base layer, the paved road rainwater collection area comprises a paved road, a gravel cushion layer, a hard water distribution blind ditch/pipe layer, a permeable geotextile layer, a lawn water storage module and a concrete base layer, the PP rainwater water storage module comprises a rainwater clean water tank, a variable frequency pump and a rainwater recycling pipeline, the rainwater comprehensive recycling area comprises a finished product valve well and a rainwater recycling water using point, and the lawn rainwater collection area is connected with the PP rainwater water storage module through the lawn valve well and a rainwater collection pipe, road pavement rainwater collecting region is connected with PP rainwater retaining module through valve well and rainwater collecting pipe, PP rainwater retaining module synthesizes the retrieval and utilization district through the pipeline and is connected with the rainwater, municipal water supply module is connected with PP rainwater retaining module through municipal moisturizing pipe, the inside clear water of PP rainwater retaining module supplies rainwater retrieval and utilization water spot to use in the finished product valve well through frequency conversion working shaft and rainwater retrieval and utilization pipeline transport.
Preferably, the lawn rainwater collecting area further comprises a vent pipe DN80 and a pipeline connected with the environment-friendly rainwater port, and the paved road rainwater collecting area further comprises a vent pipe DN80 and a pipeline connected with the roof siphon/energy dissipation well.
Preferably, the lawn valve well and the valve well are both provided with rainwater collecting valves.
Preferably, the rainwater collecting pipe can be further connected with a rainwater well, and the rainwater well is connected with the PP rainwater clean water tank.
Preferably, a liquid level meter is arranged inside the rainwater clean water tank.
Preferably, rainwater retrieval and utilization pipeline and municipal water supply pipe all are provided with teletransmission water gauge (flowmeter), still be provided with teletransmission manometer and retrieval and utilization butterfly valve on the rainwater retrieval and utilization pipeline.
Preferably, the PP rainwater water storage module is connected with a downstream rainwater well through an overflow pipe.
Preferably, the upper end of the paved road is provided with a roadway, the paved road is provided with a plurality of drainage wells, and the paved road is communicated with the rainwater collecting area of the paved road at the lower end through the drainage wells.
Preferably, the sponge city zero-labor-consumption lawn water storage system controls the water storage work of the rainwater through the rainwater control cabinet.
(III) advantageous effects
The invention provides a zero-labor-consumption lawn water storage system for a sponge city. The method has the following beneficial effects:
1. the invention provides a zero-power consumption lawn water storage system for sponge cities, which adopts a zero-power consumption design for rainwater collection and reuse, rainfall rainwater is filtered by a lawn, planting soil, a medium sand layer and water permeable gauze, the water quality is relatively clean, the rainfall rainwater is naturally filtered by the gravity of a finished product multi-medium filter plate, the water quality completely meets the water quality standard of urban miscellaneous water, and part of rainwater stored in a lawn water storage module is collected and enters the lawn water storage module and is supplied to the irrigation water on the lawn for 3-7 days above the module through natural evaporation when the rainwater does not fall, and the whole rainwater collection and reuse process is carried out by using a pure physical method without any power consumption, so that the effects of absorbing excessive rainwater and supplying the rainwater for greening are achieved.
2. The invention provides a zero-labor consumption lawn water storage system for a sponge city, rainwater stored in the system can be directly supplied to a rainwater clean water tank of a traditional PP rainwater storage module through a lawn valve well and a rainwater collecting pipe as required, the PP rainwater storage module is in seamless butt joint, the cleaned rainwater is supplied to the rainwater clean water tank as required, the process omits the processes of sewage interception, drainage and buried integrated machine filtration of the traditional rainwater collection, flocculation dosing, filtration and disinfection of a rainwater machine room, the waste of resources and energy is solved, the rainwater in the lawn water storage module is supplied to automatic sprinkling irrigation, road flushing, toilet flushing, vehicle flushing and the like through a variable-frequency water supply pump in the rainwater clean water tank for comprehensive utilization to provide constant-pressure water supply, when the rainwater in the lawn water storage module is exhausted, a municipal water replenishing pipe can be still used for water replenishing operation, and the phenomenon of insufficient water supply is prevented, the use is very convenient and reliable.
3. The invention provides a zero-power consumption lawn water storage system for a sponge city, which accords with the low-influence development principle, the low-power consumption principle and the elastic sponge city concept of the sponge city, absorbs part of rainwater on site, stores and recycles the rainwater, is favorable for controlling the runoff coefficient, and accords with the simple and low-power consumption principle of rainwater utilization.
4. The invention provides a zero-power consumption lawn water storage system for sponge cities, which is underground concealed engineering, does not occupy greening area, does not influence landscape design and aesthetic requirements of an urbanization process, is pre-debugged before all equipment leaves a factory, solves the technical difficulties of water leakage, pipeline connection and the like in the construction process, and has the advantages of simpler and more convenient later maintenance, high cost performance and longer service life.
5. The invention provides a zero-labor-consumption lawn water storage system for a sponge city, which is applicable to various fields and scenes such as roof gardens, lawn greenbelts, football fields, golf courses, permeable paving bottoms, heavy-duty road bottoms, lake-following landscape belts, civil air defense garage roofs, playground runways, squares and the like, and has a wider application range.
Drawings
FIG. 1 is a flow chart of a zero-power consumption rainwater recycling system of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
fig. 4 is a schematic view of a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 4, an embodiment of the present invention provides a sponge city zero-power consumption lawn water storage system, which includes a lawn rainwater collection area, a PP rainwater storage module, a comprehensive rainwater reuse area and a municipal water supplement module, wherein the lawn rainwater collection area includes a lawn, a planting soil layer, a medium sand layer, a 300g permeable geotextile layer, a multi-media filter plate, a lawn water storage module and a concrete foundation layer, the PP rainwater storage module includes a rainwater clean water tank, a variable frequency water supply pump and a rainwater reuse pipeline, and the comprehensive rainwater reuse area includes a finished product valve well and a rainwater reuse water point;
lawn rainwater collecting region is connected with PP rainwater retaining module through lawn valve well and rainwater collecting pipe, lawn rainwater collecting region inside is provided with permeability cell DN80, PP rainwater retaining module synthesizes the retrieval and utilization district with the rainwater through rainwater retrieval and utilization pipeline and is connected, the inside clear water of PP rainwater retaining module supplies the rainwater retrieval and utilization to use in the finished product valve well through frequency conversion working shaft and rainwater retrieval and utilization pipeline, municipal moisturizing module is connected with PP rainwater retaining module through municipal moisturizing pipe, and when the rainwater in the PP rainwater retaining module exhausts, municipal moisturizing module supplies water to PP rainwater retaining module inside through municipal moisturizing pipe.
Example 2:
as shown in fig. 1-4, an embodiment of the invention provides a sponge city zero-labor consumption lawn water storage system, which comprises a paved road rainwater collection area, a PP rainwater storage module, a rainwater comprehensive reuse area, a downstream rainwater well and a municipal water replenishing module, wherein the paved road rainwater collection area comprises a paved road, a gravel cushion layer, a hard water distribution blind ditch/pipe layer, a water permeable geotextile layer, a lawn water storage module and a concrete foundation layer, the PP rainwater storage module comprises a rainwater clean water tank, a variable frequency water supply pump and a rainwater reuse pipeline, and the rainwater comprehensive reuse area comprises a finished product valve well and a rainwater reuse water using point;
the rainwater collecting region of the paved road is connected with a PP rainwater storage module through a valve well and a rainwater collecting pipe, the rainwater collecting pipe is also connected with a rainwater well, the rainwater well is connected with a PP rainwater clean water pool, the PP rainwater storage module is connected with a rainwater comprehensive recycling region through a pipeline, clean water in the PP rainwater storage module is conveyed into a finished product valve well through a variable frequency water supply pump and a rainwater recycling pipeline for rainwater recycling, the PP rainwater storage module is connected with a downstream rainwater well through an overflow pipe, the municipal water replenishing module is connected with the PP rainwater storage module through a municipal water replenishing pipe, and when rainwater in the PP rainwater storage module is exhausted, the municipal water replenishing module supplies water to the PP rainwater storage module through the municipal water replenishing pipe, the road pavement structure is characterized in that a roadway is arranged at the upper end of the road pavement, a plurality of drainage wells are arranged on the road pavement, and the road pavement is communicated with the rainwater collection area of the road pavement at the lower end through the drainage wells.
Example 3:
as shown in fig. 1-4, an embodiment of the invention provides a sponge city zero-labor consumption lawn water storage system, which comprises a lawn rainwater collection area, a PP rainwater storage module, a rainwater comprehensive reuse area, a downstream rainwater well and a municipal water replenishing module, wherein the lawn rainwater collection area comprises a lawn, a planting soil layer, a medium sand layer, a 300g permeable geotextile layer, a multi-medium filter plate, 3 lawn water storage modules and a concrete foundation layer, the PP rainwater storage module comprises a rainwater clean water tank, a variable-frequency water supply pump and a rainwater reuse pipeline, and the rainwater comprehensive reuse area comprises a finished product valve well and a rainwater reuse water using point;
the lawn rainwater collecting area is connected with the PP rainwater storage module through a lawn valve well and a rainwater collecting pipe, a ventilation pipe DN80 and a pipeline connected with an environment-friendly rainwater port are arranged in the lawn rainwater collecting area, the rainwater collecting pipe can also be connected with a rainwater well to connect the rainwater well with a PP rainwater clean water tank, the PP rainwater storage module is connected with a rainwater comprehensive recycling area through a pipeline, clear water in the PP rainwater storage module is conveyed to a finished product valve well through a variable-frequency water supply pump and a rainwater recycling pipeline for being used by a rainwater recycling water point, the PP rainwater storage module is connected with a downstream rainwater well through an overflow pipe, the municipal water replenishing module is connected with the PP rainwater storage module through a municipal water replenishing pipe, when the rainwater in the PP rainwater retaining module is exhausted, the municipal water replenishing module supplies water to the interior of the PP rainwater retaining module through the municipal water replenishing pipe.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Sponge city zero work consumes lawn retaining system, this system include lawn rainwater collecting region, pavement road rainwater collecting region, PP rainwater retaining module, rainwater comprehensive recycling district, low reaches rainwater well and municipal water supply module, its characterized in that: the lawn rainwater collecting area comprises a lawn, a planting soil layer, a medium sand layer, a 300g permeable geotextile layer, a multi-medium filter plate, a lawn water storage module and a concrete base layer, the paved road rainwater collecting area comprises a paved road, a broken stone cushion layer, a hard water distribution blind ditch/tube layer, a permeable geotextile layer, a lawn water storage module and a concrete base layer, the PP rainwater storage module comprises a rainwater clean water tank, a variable frequency water supply pump and a rainwater recycling pipeline, the rainwater comprehensive recycling area comprises a finished product valve well and a rainwater recycling water point, the lawn rainwater collecting area is connected with the PP rainwater storage module through the lawn valve well and a rainwater collecting pipe, the paved road rainwater collecting area is connected with the PP rainwater storage module through the valve well and the rainwater collecting pipe, the PP rainwater storage module is connected with the rainwater comprehensive recycling area through the pipeline, municipal administration moisturizing module is connected with PP rainwater retaining module through municipal administration moisturizing pipe, the inside clear water of PP rainwater retaining module supplies rainwater retrieval and utilization water spot to use in the finished product valve well is carried through frequency conversion working shaft and rainwater retrieval and utilization pipeline to the finished product.
2. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: the lawn rainwater collecting area also comprises a vent pipe DN80 and a pipeline connected with the environment-friendly rainwater port, and the pavement road rainwater collecting area also comprises a vent pipe DN80 and a pipeline connected with the roof siphon/energy dissipation well.
3. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: and the lawn valve well and the valve well are both provided with rainwater collecting valves.
4. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: the rainwater collecting pipe can also be connected with a rainwater well, and the rainwater well is connected with the PP rainwater clean water tank.
5. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: and a liquid level meter is arranged in the rainwater clean water tank.
6. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: rainwater retrieval and utilization pipeline and municipal water supply pipe all are provided with teletransmission water gauge (flowmeter), still be provided with teletransmission manometer and retrieval and utilization butterfly valve on the rainwater retrieval and utilization pipeline.
7. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: the PP rainwater water storage module is connected with a downstream rainwater well through an overflow pipe.
8. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: the road pavement structure is characterized in that a roadway is arranged at the upper end of the road pavement, a plurality of drainage wells are arranged on the road pavement, and the road pavement is communicated with the rainwater collection area of the road pavement at the lower end through the drainage wells.
9. The sponge city zero power consumption lawn water storage system of claim 1, characterized in that: the sponge city zero-labor-consumption lawn water storage system controls the water storage work of rainwater through the rainwater control cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110644767.8A CN113216321A (en) | 2021-06-09 | 2021-06-09 | Zero-labor-consumption lawn water storage system for sponge city |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110644767.8A CN113216321A (en) | 2021-06-09 | 2021-06-09 | Zero-labor-consumption lawn water storage system for sponge city |
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| CN113216321A true CN113216321A (en) | 2021-08-06 |
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| CN202110644767.8A Pending CN113216321A (en) | 2021-06-09 | 2021-06-09 | Zero-labor-consumption lawn water storage system for sponge city |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008031632A (en) * | 2006-07-26 | 2008-02-14 | Bridgestone Corp | Filling block, rainwater storage and penetration tank, and manufacturing method for filling block |
| CN204728453U (en) * | 2015-04-23 | 2015-10-28 | 南通百海新型材料制造有限公司 | A kind of rainwater regulating pondage system |
| CN110130466A (en) * | 2019-06-14 | 2019-08-16 | 沈阳建筑大学 | Sponge urban ecology town road |
| CN212248593U (en) * | 2020-04-30 | 2020-12-29 | 山东海辰环保科技股份有限公司 | Rainwater collection device for water storage |
-
2021
- 2021-06-09 CN CN202110644767.8A patent/CN113216321A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008031632A (en) * | 2006-07-26 | 2008-02-14 | Bridgestone Corp | Filling block, rainwater storage and penetration tank, and manufacturing method for filling block |
| CN204728453U (en) * | 2015-04-23 | 2015-10-28 | 南通百海新型材料制造有限公司 | A kind of rainwater regulating pondage system |
| CN110130466A (en) * | 2019-06-14 | 2019-08-16 | 沈阳建筑大学 | Sponge urban ecology town road |
| CN212248593U (en) * | 2020-04-30 | 2020-12-29 | 山东海辰环保科技股份有限公司 | Rainwater collection device for water storage |
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Application publication date: 20210806 |
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