CN103833184A - Paddy field recession water purification device placed in ridge of field - Google Patents

Paddy field recession water purification device placed in ridge of field Download PDF

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Publication number
CN103833184A
CN103833184A CN201410068237.3A CN201410068237A CN103833184A CN 103833184 A CN103833184 A CN 103833184A CN 201410068237 A CN201410068237 A CN 201410068237A CN 103833184 A CN103833184 A CN 103833184A
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China
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water
ridge
purifying device
quality purifying
steel wire
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CN201410068237.3A
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CN103833184B (en
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王沛芳
王超
钱进
侯俊
包子云
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Hohai University HHU
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Hohai University HHU
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Abstract

The invention provides a paddy field recession water purification device placed in a ridge of a field. The paddy field recession water purification device is characterized in that a framework of a single water purifying device is constructed by using reinforcing steel bars with the diameter of phi10, plastic plates are arranged at two sides of the framework, steel wire meshes are arranged at the other four faces of the framework, a plastic gate is arranged at the front end of the framework, the interior of the device is partitioned into a part A and a part B by steel wire meshes with fine density, the volume ratio of the part A to the part B is 2: 1, the steel wire mesh of the part A is a high-density steel wire mesh and is filled with bio-filler balls, the steel wire mesh of the part B is a fine-density steel wire mesh and is filled with activated carbon, the front and rear faces of the single water purifying device are designed to be openable, and the single water purifying device or two single water purifying devices are placed in the ridge of a drainage end of the paddy field and are fixed by wood piles. The paddy field recession water purification device has the advantages that the traditional drainage manners that the traditional paddy fields directly drain paddy field recession water through opening gates and the water is not purified are improved, and harmful substances, such as nitrogen, phosphorus, organic substances and hardly-biodegradable pesticide residues, can be effectively trapped from recession water of cultivated field.

Description

Be placed in the rice terrace water-break quality purifying device for water of ridge
Technical field
What the present invention relates to is a kind of rice terrace water-break quality purifying device for water that is placed in ridge, reduce nitrogen, phosphorus, organism in the water-break of farmland and be difficult to the content of the harmful substances such as biodegradable pesticide residue with environmental drainage pattern, be applicable to the crop ped location that agricultural pollution is serious, especially the pollution of Plain irrigation type farming region is disposed, as agricultural tillage district, Taihu Lake.Belong to pollution of area source control techniques field, farmland.
Background technology
Along with socioeconomic development, the surface water pollution problem that China's widespread pollution from the overuse of fertilizers and pesticides in rural area causes is more and more significant.National Pollutant source investigation communique shows for the first time, and the total nitrogen of widespread pollution from the overuse of fertilizers and pesticides in rural area discharge is 270.46 ten thousand t, and total phosphorus is 28.47 ten thousand t, accounts for respectively 57.19% and 67.27% of the whole nation discharge same period.The nitrogen phosphorus loss wherein being caused by paddy field drainage has become the main source of southern area widespread pollution from the overuse of fertilizers and pesticides in rural area.Paddy rice is agricultural irrigation water rich and influential family, and its irrigation water use accounts for the more than 60% of total irrigation water use.Tradition paddy field drainage is mainly in order to meet the needs of paddy growth to soil humidity and ventilation, seldom considers the impact of draining on environment.This appropriateness of not carrying out is processed and the mode of direct draining, causes the rice field Nutrient water-breaks such as a large amount of nitrogen phosphorus to be run off, and causes receiving water body eutrophication, also causes the objectionable impuritiess such as pesticide residue to enter water body, directly hydrobiont is worked the mischief.
At present the method for farmland water-break purification of water quality is mainly concentrated on to escape canal ecology transformation aspect, CN101696059B discloses a kind of ecological canal of impedance widespread pollution from the overuse of fertilizers and pesticides in rural area, be characterized in establishing physics grid at irrigation canals and ditches footpath influx, and between grid, place biological ball, settling tank is established in grid bottom, irrigation canals and ditches kind pleuston, emergent and submerged plant, in sewage, inoculate epiphytic algae and planktonic algae, be applicable to the removal to water pollution material in the basin in mountain region, agricultural tillage district, hills.CN102966083A discloses a kind of for controlling the ecological canal construction method of farmland drainage nitrogen phosphorus, be characterized at furrow bank and bottom of trench planting plants, then lay porose pvc pipe at furrow bank and bottom of trench intersection, and lay the matrix interception dam of replaceable matrix at bottom of trench, have and necessarily hold back the nitrogen phosphorus ability that purifies.These method infrastructure projects are more, and construction is complicated.In addition, CN102249418A discloses and has a kind ofly been characterized in having added ecological intercepting device for tackling the shock resistance type ecological canal of phosphorus loss, but this ecological intercepting device easily moves in the time that current are excessive, and after long-time, hold back the effect decline that purifies nitrogen phosphorus, working life is short.
Utilize the invention of ridge control farmland water-break water quality still rare and relate to, CN103270832 discloses a kind of method of utilizing biological ridge control farmland nitrogen phosphorus pollution of area source, be characterized in selecting the farmland that possesses the main ridge, props up the He Mao ridge, the ridge, on these ridges, change plantation shrub according to the time, draft economic plants etc. increase Agricultural biodiversity, reduce the pollution of nitrogen to environment.This method steps is loaded down with trivial details, operational management complexity, and remove mainly for nitrogen phosphorus, the objectionable impuritiess such as pesticide residue are difficult to effective removal.
Summary of the invention
What the present invention proposed is a kind of rice terrace water-break quality purifying device for water that is placed in ridge, its objective is for the water-break of irrigation type rice terrace and pollute control problem, by fix quality purifying device for water in rice terrace discharge ends ridge, in drainage procedure, effectively control nitrogen in the water-break of farmland, phosphorus concentration is to reduce receiving water body Eutrophic Extent, reduce the harmful substance contents such as farmland water-break Pesticide Residues thing to reduce the hydrobiological harm of receiving water body, improve the in line rice field water-break that traditional rice field directly opens the sluices, water quality can not get traditional drainage pattern of any purification.
Technical solution of the present invention: the rice terrace water-break quality purifying device for water that is placed in ridge, it is characterized in that building monomer quality purifying device for water framework with the reinforcing bar of φ 10, both sides are set to plastic plate, other 4 faces are set to woven wire, and front end arranges plastics gate, and device inside is divided into A, B part with the woven wire of fine and closely woven degree, the volume ratio of A, two parts of B is 2:1, A part woven wire is large density woven wire, plays coarse rack effect, stops up to prevent that larger suspended substance from entering in case; And filled biomass filling ball, B part woven wire is fine and closely woven degree woven wire, and fills activated carbon, is used for adsorbing being difficult to the objectionable impuritiess such as biodegradable pesticide residue, and plays fine fack effect, further filters water body; Monomer quality purifying device for water front-back is designed to openable, and to facilitate filler in periodic replacement case, monomer quality purifying device for water or two monomer quality purifying device for water are placed in rice terrace discharge ends ridge, and fix with timber, prevent current scour and move; In the time that rice terrace needs draining, open plastics gate, rice field water-break is flowed through activated carbon again and is purified after biologic packing material ball, in the time that rice terrace does not need draining, plastics closing gate.
After the aging or charcoal absorption of microbial film on refining plant operation for some time biopurification ball is full, can easily refining plant front-back be opened biopurification ball, gac are processed respectively and renewal.
Advantage of the present invention: 1) effects of purification quality is good, the big or small density woven wire of quality purifying device for water has stopped large volume pollution substance; Biologic packing material ball has reduced the content of nitrogen and phosphorous in water-break; Gac has reduced the harmful substance contents such as heavy metal, pesticide residue in water.2) do not affect draining unobstructed, quality purifying device for water is combined in rice terrace field water-break discharge process, forms environmental drainage pattern, and infrastructure project is few, does not change agriculture production general layout.3) be beneficial to the repair and reconstruction of ridge water port, easily, construction cost is cheap in construction, and Operation Administration and Maintenance is simple, possesses good application value.
Accompanying drawing explanation
Accompanying drawing 1 is the rice terrace water-break quality purifying device for water framework sectional view that is placed in ridge.
Accompanying drawing 2 is monomer quality purifying device for water sectional views.
Accompanying drawing 3 is monomer quality purifying device for water overall schematic.
Accompanying drawing 4 is biologic packing material balls.
Accompanying drawing 5 is that the rice terrace water-break quality purifying device for water that is placed in ridge is laid floor map.
In figure, 1 is φ 10 reinforcing bars, the 2nd, plastic plate, the 3rd, plastics gate, the 4th, fine and closely woven degree woven wire, the 5th, large density woven wire, the 6th, atom filling ball, the 7th, activated carbon, the 8th, timber, the 9th, soft cellulose filler, the 10th, polyethylene projection plastics ball framework, the 11st, nylon marline, the 12nd, monomer quality purifying device for water.
Embodiment
Embodiment 1
As shown in Figure 1, build monomer quality purifying device for water framework with φ 10 reinforcing bars 1, side is set to plastic plate 2, in case water-stop body side leakage, device inside is divided into A, B two portions with the woven wire of fine and closely woven degree, the volume ratio of A, two parts of B is 2:1, and wherein A part woven wire is large density woven wire 5, plays coarse rack effect, stop up to prevent that larger suspended substance from entering in case, B part woven wire is fine and closely woven degree woven wire 4, plays fine fack effect, further to filter water body.For easy for installation, adapt to the rice terrace ridge of different size, plant bulk is designed to 0.6m × 0.4m × 0.4m.
As shown in accompanying drawing 2 and accompanying drawing 3, be partially filled biologic packing material ball 6 at B, be used for purifying nitrogen phosphorus and easy biodegradable organism in the water-break of farmland, be partially filled activated carbon 7 at A and be used for absorption and be difficult to the objectionable impuritiess such as biodegradable pesticide residue; Monomer quality purifying device for water front-back is designed to openable, to facilitate filler in periodic replacement case, monomer quality purifying device for water front end arranges plastics gate 3, and monomer quality purifying device for water is placed in rice terrace discharge ends ridge, and fixing with timber 8, prevent current scour and move.
As shown in Figure 4, biologic packing material ball 6 is spherical frames 9 of being made up rat of polyethylene or acrylic plastering, and fills the soft cellulose filler 10 take the fine synthetic fibre of hydroformylation as material, and its surface-area is 1000 ~ 3000m 2/ m 3, density is 3 ~ 5kg/m 3, diameter is 0.06m, is strung and is hung in device by nylon fine rule 11.
As shown in Figure 5, be placed in quality purifying device for water in ridge and play the effect of an environmental water port.
Embodiment 2
The present embodiment 2 is different from enforcement 1: water quality purifying box is designed and sized to 0.9m × 0.4m × 0.4m, and two monomer quality purifying device for water are placed in rice terrace discharge ends ridge side by side, and to increase drainage speed, other steps and parameter are identical with embodiment 1.
Implement after the present invention, in the time that rice terrace needs draining, open plastics gate, rice field water-break is successively through excessive density woven wire, biologic packing material ball, fine and closely woven degree woven wire and activated carbon, in water-break, oarse-grained pollution substance is tackled by big or small density woven wire, nitrogen, phosphorus and easy biodegradable organism are purified by the filling ball in clear water tanks, are difficult to the objectionable impuritiess such as biodegradable pesticide residue by the activated carbon adsorption in clear water tanks, reach the object that purifies water.In the time that rice terrace does not need draining, plastics closing gate.After the aging or charcoal absorption of microbial film on refining plant operation for some time biopurification ball is full, can easily refining plant front-back be opened biopurification ball, gac are processed respectively and renewal.

Claims (3)

1. be placed in the rice terrace water-break quality purifying device for water of ridge, it is characterized in that building monomer quality purifying device for water framework with the reinforcing bar (1) of φ 10, both sides are set to plastic plate (2), other 4 faces are set to woven wire, front end arranges plastics gate (3), device inside is divided into A, B part with the woven wire (4) of fine and closely woven degree, the volume ratio of A, two parts of B is 2:1, A part woven wire is large density woven wire (5), play coarse rack effect, stop up to prevent that larger suspended substance from entering in case; And filled biomass filling ball (6), B part woven wire is fine and closely woven degree woven wire (4), and fills activated carbon (7), is used for adsorbing being difficult to the objectionable impuritiess such as biodegradable pesticide residue, and plays fine fack effect, further filters water body; Monomer quality purifying device for water front-back is designed to openable, to facilitate filler in periodic replacement case, monomer quality purifying device for water or two monomer quality purifying device for water are placed in rice terrace discharge ends ridge, and fixing with timber (8), prevent current scour and move; In the time that rice terrace needs draining, open plastics gate (3), rice field water-break is flowed through activated carbon again and is purified after biologic packing material ball, and in the time that rice terrace does not need draining, plastics gate (3) is closed.
2. according to the rice terrace water-break quality purifying device for water that is placed in ridge described in right 1, it is characterized in that plant bulk is designed to 0.6m × 0.3m × 0.3m or 0.6m × 0.4m × 0.4m or 0.9m × 0.5m × 0.5m, for easy for installation, adapt to the rice terrace ridge of different size.
3. according to a kind of rice terrace water-break quality purifying device for water that is placed in ridge described in right 1, it is characterized in that described biologic packing material ball (6) is to be made the spherical frame of rat and filled the soft cellulose filler take the fine synthetic fibre of hydroformylation as material by polyethylene or acrylic plastering, its surface-area is 1000 ~ 3000m 2/ m 3, density is 3 ~ 5kg/m 3, diameter is 0.05 ~ 0.08m, is strung and is hung in device by nylon fine rule, is used for purifying nitrogen phosphorus and easy biodegradable organism in the water-break of farmland.
CN201410068237.3A 2014-02-27 2014-02-27 Paddy field recession water purification device placed in ridge of field Expired - Fee Related CN103833184B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105409868A (en) * 2015-12-23 2016-03-23 环境保护部南京环境科学研究所 Filtering device for preventing and controlling procambarus clarkii and application of filtering device
CN105645572A (en) * 2016-01-11 2016-06-08 上海海洋大学 Low-cost method for treating ammonia nitrogen and nitrites in pond culture water body
CN107032480A (en) * 2017-06-07 2017-08-11 安吉国千环境科技有限公司 A kind of water quality monitoring apparatus
CN107043167A (en) * 2017-06-07 2017-08-15 安吉国千环境科技有限公司 A kind of device for handling and repairing polluted-water
CN107176698A (en) * 2017-07-13 2017-09-19 河海大学 A kind of activated carbon of removal farmland water-break agricultural chemicals and microorganism coupling device
CN107662978A (en) * 2017-10-12 2018-02-06 天津大学 A kind of renewable filler filter cylinder intercepted applied to agricultural ecological irrigation canals and ditches nitrogen phosphorus
CN107986539A (en) * 2018-01-22 2018-05-04 河海大学 A kind of farmland chopped-off head water-break water quality diafiltration clean device
CN108793309A (en) * 2018-07-25 2018-11-13 中国科学院南京土壤研究所 A kind of agricultural non -point pollution control system and control method based on biomass carbon and biomass vinegar liquid
CN108782146A (en) * 2018-06-12 2018-11-13 许美凤 A kind of rice terrace irrigation system
CN109534516A (en) * 2018-12-11 2019-03-29 河海大学 A kind of undercurrent type farmland drainage ditch ecological purification device
CN110117126A (en) * 2019-03-26 2019-08-13 中国市政工程中南设计研究总院有限公司 A kind of agricultural drain purification device
CN111170465A (en) * 2020-02-19 2020-05-19 中国科学院东北地理与农业生态研究所 Floating water inlet folded plate rotary ecological dam
CN112471061A (en) * 2020-12-29 2021-03-12 铜陵县黑你养殖专业合作社 Water circulation system for fish culture in rice field
CN114684928A (en) * 2022-03-23 2022-07-01 中国城市建设研究院有限公司 Ecological net for blocking and purifying non-point source pollutants in ridge and application of ecological net
CN114775506A (en) * 2022-01-27 2022-07-22 华能西藏雅鲁藏布江水电开发投资有限公司 Farmland water return circulation system based on ridge transformation

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CN103288312A (en) * 2013-07-08 2013-09-11 河海大学 Portable combined constructed wetland purifying box for farmland drainage ditch
CN103319005A (en) * 2013-07-08 2013-09-25 河海大学 Moveable assembled water quality purifier for field drainage ditch

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CN101817591A (en) * 2010-05-06 2010-09-01 河海大学 Automatic water oxygen-rich composite floating bed for strengthening biological carbon and phosphorous removal effect
CN101857307A (en) * 2010-06-17 2010-10-13 同济大学 Synchronous nitrogen and phosphorus removal process of integral bio-enhancement activated carbon dynamic membrane
CN103288312A (en) * 2013-07-08 2013-09-11 河海大学 Portable combined constructed wetland purifying box for farmland drainage ditch
CN103319005A (en) * 2013-07-08 2013-09-25 河海大学 Moveable assembled water quality purifier for field drainage ditch

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105409868A (en) * 2015-12-23 2016-03-23 环境保护部南京环境科学研究所 Filtering device for preventing and controlling procambarus clarkii and application of filtering device
CN105645572A (en) * 2016-01-11 2016-06-08 上海海洋大学 Low-cost method for treating ammonia nitrogen and nitrites in pond culture water body
CN107032480A (en) * 2017-06-07 2017-08-11 安吉国千环境科技有限公司 A kind of water quality monitoring apparatus
CN107043167A (en) * 2017-06-07 2017-08-15 安吉国千环境科技有限公司 A kind of device for handling and repairing polluted-water
CN107032480B (en) * 2017-06-07 2023-07-07 浙江国千环境技术发展有限公司 Water quality monitoring device
CN107043167B (en) * 2017-06-07 2023-07-07 浙江国千环境技术发展有限公司 Device for treating and repairing polluted water body
CN107176698B (en) * 2017-07-13 2019-08-06 河海大学 A kind of active carbon and microorganism coupling device removing farmland water-break pesticide
CN107176698A (en) * 2017-07-13 2017-09-19 河海大学 A kind of activated carbon of removal farmland water-break agricultural chemicals and microorganism coupling device
CN107662978A (en) * 2017-10-12 2018-02-06 天津大学 A kind of renewable filler filter cylinder intercepted applied to agricultural ecological irrigation canals and ditches nitrogen phosphorus
CN107986539A (en) * 2018-01-22 2018-05-04 河海大学 A kind of farmland chopped-off head water-break water quality diafiltration clean device
CN108782146A (en) * 2018-06-12 2018-11-13 许美凤 A kind of rice terrace irrigation system
CN108793309A (en) * 2018-07-25 2018-11-13 中国科学院南京土壤研究所 A kind of agricultural non -point pollution control system and control method based on biomass carbon and biomass vinegar liquid
CN109534516A (en) * 2018-12-11 2019-03-29 河海大学 A kind of undercurrent type farmland drainage ditch ecological purification device
CN109534516B (en) * 2018-12-11 2021-09-10 河海大学 Subsurface flow type farmland drainage ditch ecological purifier
CN110117126A (en) * 2019-03-26 2019-08-13 中国市政工程中南设计研究总院有限公司 A kind of agricultural drain purification device
CN111170465A (en) * 2020-02-19 2020-05-19 中国科学院东北地理与农业生态研究所 Floating water inlet folded plate rotary ecological dam
CN112471061A (en) * 2020-12-29 2021-03-12 铜陵县黑你养殖专业合作社 Water circulation system for fish culture in rice field
CN112471061B (en) * 2020-12-29 2023-05-16 铜陵县黑你养殖专业合作社 Water circulation system for fish culture in paddy field
CN114775506A (en) * 2022-01-27 2022-07-22 华能西藏雅鲁藏布江水电开发投资有限公司 Farmland water return circulation system based on ridge transformation
CN114684928A (en) * 2022-03-23 2022-07-01 中国城市建设研究院有限公司 Ecological net for blocking and purifying non-point source pollutants in ridge and application of ecological net
WO2022267649A3 (en) * 2022-03-23 2023-01-19 China Urban Construction Design & Research Institute Co., Ltd. Device for collection and recovery of nitrogen and phosphorus nutrients and its application in purification of agricultural drainage

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