CN103964637B - Purifying and recycling system of plantation irrigation water - Google Patents
Purifying and recycling system of plantation irrigation water Download PDFInfo
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- CN103964637B CN103964637B CN201410188362.8A CN201410188362A CN103964637B CN 103964637 B CN103964637 B CN 103964637B CN 201410188362 A CN201410188362 A CN 201410188362A CN 103964637 B CN103964637 B CN 103964637B
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- water
- irrigation
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- runoff
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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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a purifying and recycling system of plantation irrigation water. The purifying and recycling system comprises a water collection system, a sedimentation tank, an anaerobic-aerobic reaction system, an artificial wetland purification system, a filtration system and a drip irrigation system. According to the invention, a water system of a planting region is designed to be the water system which flows and circulates by using an advanced concept of ecological and environmental protection, water saving irrigation and waste water recycling, and field runoffs generated by rainfall are collected and processed and then used, water of which impurities are naturally precipitated is recycled, anaerobic-aerobic reaction is carried out to decompose organic matters in water and an artificial wetland absorbs available nutrients, finally the impurities with different size fractions are filtered through a sand filter and a laminated membrane filer, so that the quality of purified water reaches standards of organic planting irrigation water.
Description
Technical field
The application relates to a kind of plantation irrigation water decontamination cycle and utilizes system, is specifically related to a kind of field runoff by rainfall generation and carries out collection and treatment with the system re-used, belong to agricultural water conservancy water saving irrigation field.
Technical background
Nowadays, China's water resources lacks more serious, the municipal effluent in some cities just flows away from water drain in vain, and for urban green space irrigate domestic water often, cause the serious waste of water resources like this, to live and in production process, for process and the application of water, along with the continuous scarcity of water resources, how rational utilization of water resources is the key being badly in need of at present solving and studying.
Artificial swamp is that artificial of creating is suitable for waterplant or hygrophyte grows, according to the natural wetland simulated person work ecosystem, mainly utilize the physics of matrix-microorganism-this complex ecosystem of plant, chemistry and the triple coordinative role of biology, by filtering, absorption, coprecipitated, ion-exchange, plant absorption and microbiological deterioration realizes water purification.
Summary of the invention
The object of the invention is for the very severe present situation of current China pollution of area source; act on the theory of " ecological, environmental protection "; guarantee that water cycle recycles; improve efficiency of water application; reduce widespread pollution from the overuse of fertilizers and pesticides in rural area, protection Ecological Environment, realizes exploiting and protecting and lays equal stress on; reach resources conservation, eco-friendly object.
The object of the present invention is achieved like this:
A kind of plantation irrigation water decontamination cycle utilizes system, it is characterized in that: be made up of water collection system, settling tank, anaerobic-aerobic reactive system, artificial wetland purifying system, filtering system, drip irrigation system;
Described water collection system is made up of ecoscape ditch, isolating trenches, runoff canal, and wherein water collection system total volume is not less than 8500m
3;
Described settling tank is greater than the impurity of 2mm for precipitating particle diameter in water body;
The runoff water collection storage that field can be formed by precipitation by described ecoscape ditch, isolating trenches, runoff canal gets up and preliminary sedimentation impurities in water, realizes water circulation, ensures the normal operation of system;
Described anaerobic-aerobic reactive system comprises anaerobic biological treatment device, aerobic biological processor, guarantee the organophosphorus in water of decomposition, organonitrogen, reduce water body BOD5 (five-day BOD) and COD value (chemical oxygen demand (COD)), reach organic grow irrigation water standard;
Described artificial wetland purifying system comprises the water plant planting districts such as calamus, cattail, papyrus, again power flower, Medulla Junci, the nutritive element in water body can be absorbed, reduce water body nitrate, phosphoric acid salt and muriate, guarantee that N P and K in irrigation water and trace element meet organic grow irrigation water standard, the area in described water plant planting district is not less than 300m
2;
Described filtering system is connected to form successively by sandrock filter, laminated filter, and sandrock filter, laminated filter are less than organic impurity, the inorganic impurity of 2mm for filtering particle diameter;
Described drip irrigation system by the water after purification by Cemented filling to land for growing field crops, then instill crop root zone soil by water dropper;
The runoff water collection storage that field is formed by precipitation by described ecoscape ditch, isolating trenches, runoff canal gets up and preliminary sedimentation impurities in water; Water through precipitated impurities is transported to settling tank, the impurity that particle diameter in water body is greater than 2mm is precipitated; Then the water through precipitation is transported to anaerobic-aerobic reactive system, the organophosphorus in water of decomposition, organonitrogen, reduces water body BOD5 (five-day BOD) and COD value (chemical oxygen demand (COD)); Then will be transported to artificial wetland purifying system through anaerobic-aerobic reactive system treated water, reduce water body nitrate, phosphoric acid salt and muriate, guarantee that N P and K in irrigation water and trace element meet organic grow irrigation water standard; Again the water through artificial wetland purifying system process is transported to filtering system, filters through sandrock filter, laminated filter organic impurity, the inorganic impurity that particle diameter is less than 2mm; Then the water through filtering system process is transported to drip irrigation system, drip irrigation system by the water after purification by Cemented filling to land for growing field crops, then instill crop root zone soil by water dropper.
The present invention compared with the prior art, produce following beneficial effect: the present invention uses advanced ecological, environmental protective, water saving irrigation, the theory of waste water circulation recycling, growing area water system is designed to the water system of a flow circuit, and collection and treatment utilization is carried out to the field runoff that rainfall produces, recycle-water is by natural sedimentation impurities in water, organic in anaerobic-aerobic reaction decomposes water, artificial swamp absorbs available nutrient, size fractionated impurity is filtered finally by sandrock filter and laminated filter, water quality after purification reaches the standard of organic grow irrigation water, solve the problem that current farmland irrigation water overproof water quality easily causes secondary pollution, simultaneously, substantially increase efficiency of water application.
Accompanying drawing explanation
Fig. 1 is that plantation of the present invention irrigation water decontamination cycle utilizes system schematic.
Embodiment
Embodiment 1
1) materials and methods
Runoff water, garden irrigation water decontamination cycle of planting of the present invention utilize system (comprising settling tank, anaerobic-aerobic reactive system (comprising anaerobic biological treatment device, aerobic biological processor), artificial wetland purifying system, sandrock filter, laminated filter etc.);
2) test design
This test design 2 process, on June 6th, 2013, gets two parts of identical runoff water samples, and a through Water warfare cyclic utilization system of the present invention process, another part in contrast, processes, and preserves under normal temperature.
3) project and method is measured
According to farmland irrigating water's national sector standard (GB5084-2005), in conjunction with plantation organic grow technological standard, national standard method is adopted to measure following items, in table 1.
Table 1 field irrigation Water-quality control project analysis method
4) results and analysis
Farmland irrigation water water quality should meet the regulation of table 2, table 3.
Table 2 farmland irrigation water water quality basic controlling project standard value
Table 3 farmland irrigation water water quality selective control project standard value
5) measurement result and analysis
The agricultural run-off water water quality of table 4 purifying treatment and contrast water quality
Through measuring, according to farmland irrigating water's national sector standard (GB5084-2005) requirement, undressed runoff water water quality does not meet irrigation requirement, wherein, five-day BOD is 56mg/L, chemical oxygen demand (COD) 142mg/L, suspended substance is 25mg/L, total salt quantity 2500mg/L, muriate 381mg/L, excrement colibacillus group number 1942/100mL, roundworm egg number 4/L, has exceeded the lower limit of farmland irrigating water's national sector standard.The water quality of system process is utilized then to reach field irrigation requirement through plantation irrigation water decontamination cycle, wherein, five-day BOD is reduced to 8.62mg/L, chemical oxygen demand (COD) is reduced to 15.2mg/L, suspended substance is reduced to 5mg/L, total salt quantity is reduced to 1800mg/L, muriate 332mg/L, excrement colibacillus group number be less than 514/100mL), roundworm egg number is reduced to 1/L (see table 4).
This cover system can realize operating in a key, and this cover system can hold 9276 sides, and per diem maximum rainfall 90mm calculates, and 70% rainwater produces runoff, raw runoff 8404 side of common property, the runoff produced when can store maximum rainfall.Day maximum throughput 240 side, can ensure that needs are irrigated in core plantation (area 200 mu), significantly saves artificial, and raising efficiency of water application, suits large area to popularize.
Claims (1)
1. irrigation water decontamination cycle in plantation utilizes a system, it is characterized in that: be made up of water collection system, settling tank, anaerobic-aerobic reactive system, artificial wetland purifying system, filtering system, drip irrigation system; Described water collection system is made up of ecoscape ditch, isolating trenches, runoff canal, and wherein water collection system total volume is not less than 8500m
3; Described settling tank is greater than the impurity of 2mm for precipitating particle diameter in water body; The runoff water collection storage that field can be formed by precipitation by described ecoscape ditch, isolating trenches, runoff canal gets up and preliminary sedimentation impurities in water, realizes water circulation, ensures the normal operation of system; Described anaerobic-aerobic reactive system comprises anaerobic biological treatment device, aerobic biological processor, guarantee the organophosphorus in water of decomposition, organonitrogen, reduce water body BOD5(five-day BOD) and COD value (chemical oxygen demand (COD)), reach organic grow irrigation water standard; Described artificial wetland purifying system comprises calamus, cattail, papyrus, again power flower, Medulla Junci water plant planting district, the nutritive element in water body can be absorbed, reduce water body nitrate, phosphoric acid salt and muriate, guarantee that N P and K in irrigation water and trace element meet organic grow irrigation water standard, the area in described water plant planting district is not less than 300 m
2; Described filtering system is connected to form successively by sandrock filter, laminated filter, and sandrock filter, laminated filter are less than organic impurity, the inorganic impurity of 2mm for filtering particle diameter; Described drip irrigation system by the water after purification by Cemented filling to land for growing field crops, then instill crop root zone soil by water dropper; The runoff water collection storage that field is formed by precipitation by described ecoscape ditch, isolating trenches, runoff canal gets up and preliminary sedimentation impurities in water; Water through precipitated impurities is transported to settling tank, the impurity that particle diameter in water body is greater than 2mm is precipitated; Then the water through precipitation is transported to anaerobic-aerobic reactive system, the organophosphorus in water of decomposition, organonitrogen, reduces water body BOD5(five-day BOD) and COD value (chemical oxygen demand (COD)); Then will be transported to artificial wetland purifying system through anaerobic-aerobic reactive system treated water, reduce water body nitrate, phosphoric acid salt and muriate, guarantee that N P and K in irrigation water and trace element meet organic grow irrigation water standard; Again the water through artificial wetland purifying system process is transported to filtering system, filters through sandrock filter, laminated filter organic impurity, the inorganic impurity that particle diameter is less than 2mm; Then the water through filtering system process is transported to drip irrigation system, drip irrigation system by the water after purification by Cemented filling to land for growing field crops, then instill crop root zone soil by water dropper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410188362.8A CN103964637B (en) | 2014-05-06 | 2014-05-06 | Purifying and recycling system of plantation irrigation water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410188362.8A CN103964637B (en) | 2014-05-06 | 2014-05-06 | Purifying and recycling system of plantation irrigation water |
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| Publication Number | Publication Date |
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| CN103964637A CN103964637A (en) | 2014-08-06 |
| CN103964637B true CN103964637B (en) | 2015-07-22 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104206231A (en) * | 2014-09-16 | 2014-12-17 | 丹阳市云阳镇田园圣树专业合作社 | Orchard irrigation water circulation system |
| CN104609657B (en) * | 2015-01-12 | 2016-08-24 | 国家电网公司 | A kind of land treatment systems round-robin method of facility farmland irrigation water |
| CN105089101B (en) * | 2015-07-17 | 2016-08-31 | 河海大学 | A kind of greenery patches rainwater cyclic utilization system |
| CN105217897A (en) * | 2015-11-06 | 2016-01-06 | 安徽新源农业科技有限公司 | A kind of crop irrigation purifying water process recirculating process |
| CN105417867B (en) * | 2015-12-07 | 2018-06-15 | 江苏启德水务有限公司 | A kind of rice terrace pollution of area source control utilizes system and method with recovery of nitrogen and phosphorus |
| CN106508609B (en) * | 2016-11-11 | 2019-05-31 | 江苏大学 | A kind of pollution irrigation Water warfare spray irrigation system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172714A (en) * | 2007-10-24 | 2008-05-07 | 龚爱民 | Technique for purifying water system of landscape public park |
| CN101659498B (en) * | 2009-07-30 | 2011-11-23 | 四川省运辉环保工程咨询有限公司 | Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
| CN101792234A (en) * | 2010-03-22 | 2010-08-04 | 浙江鎏源环保科技有限公司 | System for disposing artificial wetland sewage and disposal method thereof |
| CN101928097B (en) * | 2010-07-30 | 2012-05-02 | 嘉兴市环科环境工程有限公司 | Domestic sewage treatment system for ecological residential quarter |
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