CN105000669A - Method for preventing and treating regional area pollution of farmland farming ditch and pond regions - Google Patents
Method for preventing and treating regional area pollution of farmland farming ditch and pond regions Download PDFInfo
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- CN105000669A CN105000669A CN201510431265.1A CN201510431265A CN105000669A CN 105000669 A CN105000669 A CN 105000669A CN 201510431265 A CN201510431265 A CN 201510431265A CN 105000669 A CN105000669 A CN 105000669A
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Abstract
The invention relates to a method for preventing and treating the regional area pollution of farmland farming ditch and pond regions, and belongs to the field of environmental governance. The method is characterized in that a plurality of farmland ditches directly discharging into the main water discharge ditch are selected to carry out farmland ecological ditch construction, wherein the construction is divided into ditch transformation and plant construction; a pond at any corner position in the same farmland region is selected and transformed into the ecological pond so as to make the water discharged from the farmland be directly discharged into the pond, and one side of the pond is provided with the water discharge port; and the heavy pollution section in the main water discharge ditch and the water discharge portion section for making the sub-water discharge ditch discharge into the main water discharge ditch are provided with filtration boxes for filtering the farmland wastewater, and the filtration boxes are fixed on the bottom of the ditch. According to the present invention, the existing farmland water discharge facilities and the ponds are utilized, the effective pollution preventing and reducing measures are transformed and constructed, the nitrogen content and the phosphorus content in the water discharged from the farmland are significantly reduced, the pollution of the farmland regional area pollution on the river channels and the lakes can be effectively controlled, the eutrophication risk can be reduced, the good ecological cycle system is formed while the regional water recycling is achieved, and the economic benefits of the farmland are improved.
Description
Technical field
The invention belongs to field of environmental improvement, particularly relate to a kind of method polluted for the regional area of farmland planting industry ditch pool regional control.
Background technology
The regional area in farmland pollutes and refers in farmland production activity, nutritive substance, agricultural chemicals and other organic or inorganic pollution substances such as nitrogen and phosphorus element, along with precipitation or the process of irrigation, by the rainwash in farmland and farmland seepage and the environmental pollution formed, mainly comprise pollution by chemical fertilizer, pesticidal contamination, Animal manure loss etc.Along with the continuous increase of fertilizer amount in farmland planting process, in agricultural land soil, the content of nitrogen and phosphorous and N and P losses amount constantly increase, and cause agricultural land soil and surrounding body increasing environmental pollution.It is cause one of body eutrophication major reason that farming region area pollutes, and agricultural non-point pollution is because region is large, scope wide, it is difficult to administer, and has become the important factor of widespread pollution from the overuse of fertilizers and pesticides in rural area.In actual production, peasant is for pursuing high production, high yield, often strengthen rate of fertilizer application blindly, wherein amount of nitrogen exceeds several times even more than 10 times of conventional field crop usually, seriously exceed the actual demand amount of crop to fertilizer, cause proportion of crop planting district soil the content of nitrogen and phosphorous higher, fertility declines, groundwater azotate pollution is serious and run off in a large number because of the nutritive substance such as nitrogen, phosphorus, causes surface water eutrophication problem to aggravate.Therefore, the regional area pollution problem of farmland planting industry is outstanding day by day.In recent years, Chinese scholars is more to the technical study of agricultural non-point pollution ecological intercepting, and correlation technique has certain applying, but less to the Study and appliance of big area farmland or large-scale planting base ecological intercepting technical system.
Summary of the invention
The present invention is intended to solve the problem, and provides a kind of effective alleviation farmland method that the regional area of the control that regional area pollutes pollutes.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, is characterized in that comprising the steps:
(1) choose the farmland ditch that some directly enter main drainage channel, carry out the construction of agricultural ecological irrigation canals and ditches, be mainly divided into canal structural reform to make and plant builds two portions;
(2) in region, same farmland, choose any corner location pond, transforming this pond is ecological pond, and make farmland drainage directly enter this pond, side, pond has water port to pass into main drainage channel;
(3) in main drainage channel, severe contamination canal section and secondary discharge channel enter main drainage channel water port section and lay strumbox agricultural wastewater being had to filtering function, and are fixed at the bottom of canal.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, described in step (1), canal structural reform is made and is comprised: canal wall adopts the cement plate parallel laid of band hole, long 60 cm of cement plate plate, wide 60 cm, thick 5 cm, Circularhole diameter 8 cm, pitch of holes is 20 cm; Adopt 8 font grass-planting brick parallel laid at the bottom of canal, in canal cinclides hole, plant perennial emergent.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, described in step (2), ecological pond kind is implanted with aquatic vegetation, and waterplant area coverage reaches pond area 40%.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, aquatic vegetation comprises: Ze Tai, Louisiana's iris, calamus, mushroom grass, poly-grass.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, long 60 cm of strumbox described in step (3), wide 40 cm, high 30 cm, wall is netted iron wire structure, inner haydite, sandstone of filling high-selenium corn nitrogen phosphorus, and filling component gauze is wrapped up, prevent it from washing away with current.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, by utilizing the existing pumping equipment in farmland and pond, transformation structure is effectively antifouling falls dirty measure, remarkable reduction farmland drainage the content of nitrogen and phosphorous, effectively can control the pollution of the regional area pollution in farmland to river course, water body in lake, reduce Eutrophication risk, form good ecological recycle system, feasible region water circulation utilizes simultaneously, improves the economic benefit in farmland.
Embodiment
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, is characterized in that comprising the steps:
(1) choose the farmland ditch that some directly enter main drainage channel, carry out the construction of agricultural ecological irrigation canals and ditches, be mainly divided into canal structural reform to make and plant builds two portions;
(2) in region, same farmland, choose any corner location pond, transforming this pond is ecological pond, and make farmland drainage directly enter this pond, side, pond has water port to pass into main drainage channel;
(3) in main drainage channel, severe contamination canal section and secondary discharge channel enter main drainage channel water port section and lay strumbox agricultural wastewater being had to filtering function, and are fixed at the bottom of canal.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, described in step (1), canal structural reform is made and is comprised: canal wall adopts the cement plate parallel laid of band hole, long 60 cm of cement plate plate, wide 60 cm, thick 5 cm, Circularhole diameter 8 cm, pitch of holes is 20 cm; Adopt 8 font grass-planting brick parallel laid at the bottom of canal, in canal cinclides hole, plant perennial emergent.Perennial emergent is planted in canal cinclides hole---mushroom grass, perennial pasture and water are planted in canal bottom outlet hole---poly-grass, selected grass seeds has very strong adaptive capacity to environment fecundity, and has good tolerance, can adapt to from water to drought, from high light to multiple living environments such as concealments.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, described in step (2), ecological pond kind is implanted with aquatic vegetation, and waterplant area coverage reaches pond area 40%.Part pond water, after ecological pond purification, is turned back to field irrigation by lift pump and uses, make agricultural wastewater obtain recycle, improve water utilization rate, realize this region water-fertilizer integral, reduce agricultural wastewater quantity discharged by this Regional field waste water.Before ecological pond builds up, rainfall or the fertilizer applying farmland in a large number after irrigating enter in pond with runoff water,
Through being originally grown on absorbing and the absorption of pool body soil particle of a small amount of plant in pool, can dissolve a small amount of nitrogen, phosphorus, but effect is undesirable, causes pond waters the content of nitrogen and phosphorous higher, and pond draining nitrogen, phosphorus exceed standard seriously.After ecological pond builds up, the removal effect of total nitrogen, total phosphorus is increased dramatically.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, aquatic vegetation comprises: Ze Tai, Louisiana's iris, calamus, mushroom grass, poly-grass.
A kind of method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, long 60 cm of strumbox described in step (3), wide 40 cm, high 30 cm, wall is netted iron wire structure, inner haydite, sandstone of filling high-selenium corn nitrogen phosphorus, and filling component gauze is wrapped up, prevent it from washing away with current, select haydite particle diameter to be 4 ~ 6mm, density is 1.5 g/cm
3, adsorption rate is 98%, porosity 45%; Select sandstone to be pomegranate stone sand, density is 4.5 g/cm
3, adsorption rate is 90%, porosity 45%.The method polluted for the regional area of farmland planting industry ditch pool regional control of the present invention, not only make pool water obtain recycle, saving water resource, high the content of nitrogen and phosphorous water body reuse simultaneously can save farmland fertilization amount relatively, thus reduce certain Financial cost, increase economic efficiency.
Claims (5)
1., for the method that regional control regional area in the farmland planting industry ditch pool pollutes, it is characterized in that comprising the steps:
(1) choose the farmland ditch that some directly enter main drainage channel, carry out the construction of agricultural ecological irrigation canals and ditches, be mainly divided into canal structural reform to make and plant builds two portions;
(2) in region, same farmland, choose any corner location pond, transforming this pond is ecological pond, and make farmland drainage directly enter this pond, side, pond has water port to pass into main drainage channel;
(3) in main drainage channel, severe contamination canal section and secondary discharge channel enter main drainage channel water port section and lay strumbox agricultural wastewater being had to filtering function, and are fixed at the bottom of canal.
2. a kind of method polluted for the regional area of farmland planting industry ditch pool regional control according to claim 1, to it is characterized in that described in step (1) that canal structural reform is made to comprise: canal wall adopts the cement plate parallel laid of band hole, long 60 cm of cement plate plate, wide 60 cm, thick 5 cm, Circularhole diameter 8 cm, pitch of holes is 20 cm; Adopt 8 font grass-planting brick parallel laid at the bottom of canal, in canal cinclides hole, plant perennial emergent.
3. a kind of method polluted for the regional area of farmland planting industry ditch pool regional control according to claim 1, it is characterized in that described in step (2), ecological pond kind is implanted with aquatic vegetation, waterplant area coverage reaches pond area 40%.
4. a kind of method polluted for the regional area of farmland planting industry ditch pool regional control according to claim 3, is characterized in that aquatic vegetation comprises: Ze Tai, Louisiana's iris, calamus, mushroom grass, poly-grass.
5. a kind of method polluted for the regional area of farmland planting industry ditch pool regional control according to claim 1, it is characterized in that long 60 cm of strumbox described in step (3), wide 40 cm, high 30 cm, wall is netted iron wire structure, inner haydite, sandstone of filling high-selenium corn nitrogen phosphorus, and filling component gauze is wrapped up, prevent it from washing away with current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431265.1A CN105000669A (en) | 2015-07-22 | 2015-07-22 | Method for preventing and treating regional area pollution of farmland farming ditch and pond regions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510431265.1A CN105000669A (en) | 2015-07-22 | 2015-07-22 | Method for preventing and treating regional area pollution of farmland farming ditch and pond regions |
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| CN105000669A true CN105000669A (en) | 2015-10-28 |
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| CN201510431265.1A Pending CN105000669A (en) | 2015-07-22 | 2015-07-22 | Method for preventing and treating regional area pollution of farmland farming ditch and pond regions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659962A (en) * | 2016-01-13 | 2016-06-15 | 武汉大学 | Ecological method for abating agricultural non-point source pollution in rice planting regions |
| CN110627328A (en) * | 2019-11-11 | 2019-12-31 | 长江水资源保护科学研究所 | Ecological low-lying pool and application thereof in farmland runoff and irrigation water-withdrawal purification |
| CN115259390A (en) * | 2022-08-25 | 2022-11-01 | 河海大学 | Ecological sewage purification and circulation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233445A (en) * | 2013-04-18 | 2013-08-07 | 浙江大学 | Filtering ecological concrete drainage channel |
| CN103233449A (en) * | 2013-04-18 | 2013-08-07 | 浙江大学 | Efficient ecological interception ditch suitable for dry land farmlands |
| CN103469761A (en) * | 2013-08-20 | 2013-12-25 | 江苏省农业科学院 | Farmland runoff loss nutrient recycling system and application |
| CN104355410A (en) * | 2014-11-07 | 2015-02-18 | 上海交通大学 | Ecological interception and blocking system for controlling non-point source pollution of rice field |
| CN104773835A (en) * | 2015-03-30 | 2015-07-15 | 河海大学 | Irritation district rice field periphery fixed point drainage wetland construction system |
-
2015
- 2015-07-22 CN CN201510431265.1A patent/CN105000669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233445A (en) * | 2013-04-18 | 2013-08-07 | 浙江大学 | Filtering ecological concrete drainage channel |
| CN103233449A (en) * | 2013-04-18 | 2013-08-07 | 浙江大学 | Efficient ecological interception ditch suitable for dry land farmlands |
| CN103469761A (en) * | 2013-08-20 | 2013-12-25 | 江苏省农业科学院 | Farmland runoff loss nutrient recycling system and application |
| CN104355410A (en) * | 2014-11-07 | 2015-02-18 | 上海交通大学 | Ecological interception and blocking system for controlling non-point source pollution of rice field |
| CN104773835A (en) * | 2015-03-30 | 2015-07-15 | 河海大学 | Irritation district rice field periphery fixed point drainage wetland construction system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659962A (en) * | 2016-01-13 | 2016-06-15 | 武汉大学 | Ecological method for abating agricultural non-point source pollution in rice planting regions |
| CN110627328A (en) * | 2019-11-11 | 2019-12-31 | 长江水资源保护科学研究所 | Ecological low-lying pool and application thereof in farmland runoff and irrigation water-withdrawal purification |
| CN110627328B (en) * | 2019-11-11 | 2021-06-08 | 长江水资源保护科学研究所 | Ecological low-lying pool and application thereof in farmland runoff and irrigation water-withdrawal purification |
| CN115259390A (en) * | 2022-08-25 | 2022-11-01 | 河海大学 | Ecological sewage purification and circulation system |
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Application publication date: 20151028 |