CN1277765C - Method for treating and utilizing rain water in block - Google Patents
Method for treating and utilizing rain water in block Download PDFInfo
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- CN1277765C CN1277765C CNB2004100133245A CN200410013324A CN1277765C CN 1277765 C CN1277765 C CN 1277765C CN B2004100133245 A CNB2004100133245 A CN B2004100133245A CN 200410013324 A CN200410013324 A CN 200410013324A CN 1277765 C CN1277765 C CN 1277765C
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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 present invention relates to a novel district rainwater processing and utilizing method. In rain days, road surface catchment enters a sediment/water storage double-well through a filtration blind ditch connected with an inspection well, and roofing rainwater enters the sediment/water storage double-well through a percolation pipe and a percolation ditch. A submerged pump is opened, rainwater is pumped to enter green lands through a spray irrigation system, and an easy percolation structural layer is used for containing water. Meanwhile, the absorption of roots of plants and the decomposition function of microorganisms in soil are used for removing pollutants until rain which enters the sediment/water storage double-well is processed all, cleaned water supplies soil water in aeration zones through percolation. In sunny days, the spray irrigation system connected with a water storage well is used for extracting soil water in aeration zones for carrying out maintenance or recovery in other modes to green lands. The present invention has the advantages that rainwater of districts is processed sufficiently, and environmental pollution is prevented.
Description
Technical field
The present invention relates to pollution of area source (non-point pollution) and administer technical field, specifically a kind of novel sub-district rainwater processing and utilizing method.
Background technology
At present the source treatment process of domestic city pollution of area source (non-point pollution) concentrate on mainly that rainwater shortly oozes, four aspects such as the utilization of rainwater view, rainwater are recharged, rainwater reuse, comprised the initial stage runoff abandoned stream technology of rainwater, short technology, filtering technique, storing technology, contaminant degradation technology, the disinfection technology etc. of oozing.
Rainwater is short to be oozed: this method is that a kind of technology is simple and easy, the economic rainfall runoff cutting method of saving relatively, specifically can and construct the greenery patches, build diafiltration ditch and percolating pipe by soil improvement, transforming waterproof ground is pervious surface, put technology such as embedding grass brick as the shop, strengthen the infiltration ratio of underlying, play and cut down the purpose that rainfall runoff is cut down pollution of area source simultaneously.
The rainwater view utilizes: this method is actual to be the short extension of oozing of rainwater.Rainwater enters circulation in the structures such as landscape system such as fountain, artificial streams, shallow pond, wetland after collection and treatment, build landscape effect.When infiltration and vaporization losses were greater than the rainwater collecting amount in the circulation, available tap water replenished.
Rainwater recharges: this method be with rainwater after collection and treatment, recharge underground, to replenish underground water.
Rainwater reuse: this method be with rainwater after collection and treatment, as middle water be used for carwash, water the greenery patches, flushing ground etc. uses mixedly.
The source treatment process of above-mentioned city surface source pollution all has defective in various degree.Rainwater is short to be oozed, because method is simple and easy, the rainwater capacity that it bears is also very limited, and when rainfall or raininess were big, rainwater still can form rainwash and enter the urban sewage system.The difficult point of rainwater view utilization is, meets the landscape water body requirement for keeping water quality, must be by the power maintenance water flow dynamic, and working cost is a big obstacle.Recharge as for rainwater, it certain practical value is arranged, but for avoiding polluted underground water, it is very high to recharge water quality requirement in northern city or the city of underground water excessive exploitation, and the respective handling expense is also very big, and there be limited evidence currently of is used.And rainwater reuse, existing technology is difficult to apply under present national conditions, and most important reason is that water price is cheap and the treatment project cost is too high, and reuse does not have economic worth.For example district of Beijing is spent a cover rainwater reuse system of ten thousand yuan of construction surplus in the of 40, and only static investment is just reclaimed and needed 10 years, adds that maintenance is loaded down with trivial details, the running cost height, and treating water per ton needs 0.4 yuan of working cost, even if built up, also is difficult to keep.
Summary of the invention
The objective of the invention is to utilize the abundant characteristics of the soil water in the southern area aeration zone, design a kind of novel sub-district rainwater processing and utilizing method.This method organically combines engineering measure and ecotope, makes the circulating system of a relative closure of soil water formation in rainwater, surface water, the aeration zone.This loop body assembly diafiltration technology, purification techniques, storing technology, recharging technique, reuse technology make rainwater in circulation in one, are purified by the one-level precipitation process of engineering measure and the secondary biochemical treatment of ecotope.
A kind of novel sub-district rainwater processing and utilizing method of the present invention is: sub-district rainwater processing and utilizing method is interconnected by two systems and finishes, and a system is a rainwater collecting and treating system, and another is a rainwater sprinkling irrigation treatment system.When raining, the road surface charge for remittance enters precipitation/water storage twin-well by the filtration covered conduit that is connected with inspection shaft, and rain water on roof enters precipitation/water storage twin-well by percolating pipe, diafiltration ditch.Open submersible pump, extract rainwater by sprinkler irrigation system and enter the greenery patches, utilize easy diafiltration synthem moisture, utilize the Decomposition of microorganism in the absorption of root system of plant and the soil to remove pollutent simultaneously, all processed up to the rainwater that enters the water storage well, the rainwater after the cleaning replenishes the soil water in the aeration zone by diafiltration.When fine, the sprinkler irrigation system of utilizing the water storage well to connect, the soil water carries out maintenance or alternate manner reuse to the greenery patches in the extraction aeration zone.
Rainwater collecting and treating system comprises: the rain water on roof collection processing system implementing, form by initial stage runoff abandoned stream well, percolating pipe, diafiltration ditch etc.; The road surface rainwater collecting and treating system is made up of first open caisson, enclosed filter ditch etc.
Rainwater sprinkling irrigation treatment system comprises: precipitation/water storage twin-well, water pump, greenery patches sprinkler irrigation system etc.
Rain water on roof flows in the initial stage runoff abandoned stream well through the rainwater pipe, and the rainwater bypass of satisfying after initial Split-flow requires enters percolating pipe, flows in the diafiltration ditch, through flowing into precipitation/water storage twin-well behind the sedimentation and filtration again.
Enter precipitation/water storage twin-well behind the first open caisson that the road surface rainwater connects by Jiao Jing, the enclosed filter ditch sedimentation and filtration.
Rainwater after collection processing system implementing filters is introduced into the precipitation well in precipitation/water storage twin-well, the permeable wall by the well middle part enters the water storage well after the precipitation process once more, open the submersible pump in the water storage well this moment, through sprinkler irrigation system rainwater is sprayed on the greenery patches, utilize the easy diafiltration synthem in greenery patches moisture, utilize the Decomposition of microorganism in the absorption of root system of plant and the soil to remove pollutent simultaneously, rainwater replenishes the soil water in the aeration zone after treatment.
The advantage of a kind of novel sub-district rainwater processing and utilizing method of the present invention is: the rainwater treatment technology has absorbed the advantage of all kinds of sources of city surface source pollution treatment process in the past, has also remedied the deficiency in the method simultaneously.Utilize well-sprinkling irrigation recycle system, overcome simple and easy rainwater and urged to ooze the shortcoming that the technology rainwater bears finite capacity.When rainfall or raininess were big, the rainwater that forms runoff still can be got back in the well by gathering system, and cloth spills in the greenery patches again.Utilize that action of microorganisms constitutes a secondary ecological treatment system in the absorption of root system of plant in the greenery patches and the soil, make rainwater transudation by soil capillary after purifying treatment replenish the soil water in the aeration zone.Promptly omitted and recharged the required complex process technology of underground water, also avoided rainfall runoff directly to recharge the problem that underground water is faced.Because precipitation/water storage twin-well communicates with the soil water in the aeration zone, the moisture greenery patches supporting with it constituted the natural underground storage system that regulates and stores.Not only save the structure expense of requisite large-scale tank in the rainwater reuse in the past, also saved necessary treatment process and expense in the rainwater storage simultaneously, improved the practicality of rainwater reuse widely.System shows in the operation of Wuhan Area, as long as this treatment system is utilized in the biotope 20% greenery patches, can handle the whole sub-district reoccurrence period and be the heavy rain (52mm) in 1 year, the clearance of principal pollutant can reach more than 95%, only need more than 10 ten thousand yuan with the whole engineering of homalographic, treating water working cost per ton only needs about 0.09 yuan.
Description of drawings
Fig. 1 is a kind of novel sub-district rainwater processing and utilizing method flow diagram.
Fig. 2 is a kind of novel sub-district rainwater processing and utilizing method plot plan.
Fig. 3 is a kind of novel sub-district rainwater processing and utilizing method main body figure.
Embodiment
According to Fig. 1-shown in Figure 3, rain water on roof enters abandoned stream well 1 through former storm sewer, and abandoned stream well 1 links to each other with 2 one of strainer tubes, and the other end of strainer tube 2 and filter ditch 3 is filtered ditch 3 and linked to each other with precipitation/water storage twin-well 6.Rain water on roof finally flows into precipitation/water storage twin-well 6 after the precipitate and separate after filtration.
The road surface rainwater that flows into cellar for storing things well 9 enters by precipitation and 4 and filters covered conduit 5, and filtering in the covered conduit 5 has bed filtration barrier 10 to separate road surface silt and dirt with gravel with filtering-depositing, filters covered conduit 5 afterbodys and links to each other with precipitation/water storage twin-well 6.Rainwater after the filtration finally flows into precipitation/water storage twin-well 6, submersible pump 8 is housed in the water storage well links to each other with sprinkler irrigation system 7, and sprinkler irrigation system 7 is contained on the greenery patches, and the soil in greenery patches is the easy diafiltration synthem through improvement.When raining, if produce rainwash and enter precipitation/water storage twin-well 6 through rainwater collecting and treating system, open submersible pump 8, utilize sprinkler irrigation system 7 that rainwater cloth is spread on the greenery patches, by the absorption of root system of plant on the greenery patches and the Decomposition depollution thing of the microorganism in the soil.Can water greenery patches or other purposes with the cleaning water after filtering in the water storage well when fine.
If surpass design period duration of service, collect the filtering system effect and descend, can open the diafiltration ditch and filter operculum colpi and the stone in the ditch is taken out clean up, put into ditch again, continue to use.
Claims (2)
1, a kind of sub-district rainwater processing and utilizing method, it is characterized in that: sub-district rainwater processing and utilizing method is interconnected by two systems and finishes, system's rainwater collecting and treating system, another rainwater sprinkling irrigation treatment system; When raining, the road surface charge for remittance enters precipitation/water storage twin-well (6) by the filtration covered conduit (5) that inspection shaft (9) connects, rain water on roof is by percolating pipe (2), diafiltration ditch (3) enters precipitation/water storage twin-well (6), open submersible pump (8), extract rainwater by sprinkler irrigation system (7) and enter the greenery patches, utilize easy diafiltration synthem moisture, utilize the Decomposition of microorganism in the absorption of root system of plant and the soil to remove pollutent simultaneously, all processed up to the rainwater that enters precipitation/water storage twin-well (6), rainwater after the cleaning replenishes the soil water in the aeration zone by diafiltration, when fine, the sprinkler irrigation system (7) of utilizing the water storage well to connect, the soil water carries out maintenance or alternate manner reuse to the greenery patches in the extraction aeration zone.
2, a kind of sub-district according to claim 1 rainwater processing and utilizing method, it is characterized in that: the rain water on roof collection processing system implementing comprises: abandoned stream well (1), percolating pipe (2), diafiltration ditch (3), precipitation/water storage twin-well (6) link to each other; The road surface rainwater collecting and treating system comprises: first open caisson (4), enclosed filter ditch (5), precipitation/water storage twin-well (6) link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100133245A CN1277765C (en) | 2004-06-18 | 2004-06-18 | Method for treating and utilizing rain water in block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100133245A CN1277765C (en) | 2004-06-18 | 2004-06-18 | Method for treating and utilizing rain water in block |
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| Publication Number | Publication Date |
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| CN1594142A CN1594142A (en) | 2005-03-16 |
| CN1277765C true CN1277765C (en) | 2006-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100133245A Expired - Fee Related CN1277765C (en) | 2004-06-18 | 2004-06-18 | Method for treating and utilizing rain water in block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161053B (en) * | 2006-10-11 | 2011-08-31 | 邱学武 | A system for collecting and processing residence zone sanitary sewage and stormwater for roofs planting |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330831C (en) * | 2005-07-07 | 2007-08-08 | 上海交通大学 | landscape integrated intermittent wet-land rainwater reuse method |
| CN100501015C (en) * | 2006-09-22 | 2009-06-17 | 董国良 | Urban underground water supply system for rain water collection and pavement flood prevention |
| CN101467511B (en) * | 2007-12-25 | 2011-02-09 | 北京林业大学 | Dispersion type rainwater-collecting infiltrating irrigation device for urban road green area |
| TWI449558B (en) * | 2009-05-27 | 2014-08-21 | Johnson Health Tech Co Ltd | The man - machine interface method and man - machine interface device of sports equipment |
| TWI449557B (en) * | 2009-05-27 | 2014-08-21 | Johnson Health Tech Co Ltd | The man - machine interface method and man - machine interface device of sports equipment |
| CN102220778A (en) * | 2011-04-12 | 2011-10-19 | 天津海林园艺环保科技工程有限公司 | Seashore solonchak greening and water saving method |
| CN102409718A (en) * | 2011-08-15 | 2012-04-11 | 东南大学 | Device and method for collecting and processing initial rainwater of villages in river network area |
| CN103373790A (en) * | 2012-04-24 | 2013-10-30 | 王吟俊 | Planting type city purification body |
| CN102877535A (en) * | 2012-09-27 | 2013-01-16 | 北京泰宁科创雨水利用技术股份有限公司 | Rainwater comprehensive utilization system for gas station and construction method |
| CN103373778B (en) * | 2013-08-09 | 2015-11-25 | 厦门力嘉诚汽车美容有限公司 | A kind of car wash water, rainwater Recycling make the treatment process of car wash water |
| CN105565595A (en) * | 2015-12-19 | 2016-05-11 | 云南大学 | Double-layer ditch treatment system for reducing farmland drainage pollutants |
| CN107989151B (en) * | 2018-01-15 | 2023-09-12 | 水利部交通运输部国家能源局南京水利科学研究院 | Regional rainwater allocation method |
| CN114868632B (en) * | 2022-06-01 | 2023-11-17 | 棕榈生态城镇发展股份有限公司 | Water replenishing system suitable for arid region greenbelt |
-
2004
- 2004-06-18 CN CNB2004100133245A patent/CN1277765C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161053B (en) * | 2006-10-11 | 2011-08-31 | 邱学武 | A system for collecting and processing residence zone sanitary sewage and stormwater for roofs planting |
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| CN1594142A (en) | 2005-03-16 |
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Owner name: SOUTH CHINA MUNICIPAL ENGINEERING DESIGN + RESEARC Free format text: FORMER OWNER: CHANGJIANG WATER RESOURCES PROTECTION INSTITUTE Effective date: 20090828 |
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Effective date of registration: 20090828 Address after: No. 41, Jiefang Park Road, Wuhan, China: 430013 Patentee after: South China Municipal Engineering Design & Research Institute Address before: Wuhan, Hubei province Hanyang Guo Kou zip code: 430051 Co-patentee before: Wuhan Yangtze Pioneer Environmental Engineering Co., Ltd. Patentee before: Institute for the protection of water resources of the Yangtze River |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20150618 |
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