CN205616732U - Ecological clean system of farmland irrigation canals and ditches - Google Patents

Ecological clean system of farmland irrigation canals and ditches Download PDF

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Publication number
CN205616732U
CN205616732U CN201620387601.7U CN201620387601U CN205616732U CN 205616732 U CN205616732 U CN 205616732U CN 201620387601 U CN201620387601 U CN 201620387601U CN 205616732 U CN205616732 U CN 205616732U
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China
Prior art keywords
section
baffling
sand setting
setting section
initial filter
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Expired - Fee Related
Application number
CN201620387601.7U
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Chinese (zh)
Inventor
叶红
李建
刘双美
谢晴
麻泽龙
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HYDRAULIC SCIENCE RESEARCH INSTITUTE OF SICHUAN PROVINCE
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HYDRAULIC SCIENCE RESEARCH INSTITUTE OF SICHUAN PROVINCE
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Priority to CN201620387601.7U priority Critical patent/CN205616732U/en
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Publication of CN205616732U publication Critical patent/CN205616732U/en
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Abstract

The utility model discloses ecological clean system of farmland irrigation canals and ditches relates to ecological clean system, especially an ecological clean system of farmland irrigation canals and ditches. Including the water inlet, just the section of straining irrigation canals and ditches section, baffling sand setting section, reinforce the medium section, the water inlet setting is in the first entrance of the section of straining, primary filtering pond, irrigation canals and ditches section, baffling sand setting section, intensive medium section communicate in proper order EPSB engineering bacteria grained layer has been laid to baffling sand setting section bottom. The sewage section of straining just of at first flowing through, just farmland debris and silt can be interceptd to the section of straining, regulation sewage the intake quality of water and the water yield. And then get into baffling sand setting section through the irrigation canals and ditches section, baffling sand setting section bottom is spread has EPSB engineering bacteria grained layer, can get rid of the inorganic particulate matter and the organic suspended solid of part of the overwhelming majority in the sewage. The medium section is reinforceed to last the flowing through of sewage, pollutants such as this section nitrogen that can high -efficiently get rid of in the sewage, phosphorus, and greatly reduced gets into constructed wetland's pollution load, reaches optimum filtered water.

Description

Farmland ditch ecological purification system
Technical field
This utility model relates to ecological purification system, especially a kind of farmland ditch ecological purification system.
Background technology
Widespread pollution from the overuse of fertilizers and pesticides in rural area refers in Agricultural Activities, silt, nutritive salt, pesticide and other pollutant in farmland, Precipitation or during irrigating, by agricultural surface runoff, interflow, agricultural drain and underground leakage, cause to water layer, lake The pollution of the ecosystems such as pool, riverbank.These pollutant are mainly derived from farmland fertilization, pesticide, poultry and aquaculture and agriculture Village resident.In recent years, along with China's town development paces and the quickening of agricultural industrialization process, in agricultural production use chemical fertilizer, The widespread pollution from the overuse of fertilizers and pesticides in rural area that pesticide, agricultural film and feces of livestock and poultry etc. cause becomes increasingly conspicuous.Calculate by cultivated area, China's fertilizer application amount Reach 40 tons/square kilometre, considerably beyond the upper safety limit of the unit are amount of application that developed country is arranged.Pesticide year, amount of application reached More than 130 ten thousand tons, and utilization rate is only about 30%.Widespread pollution from the overuse of fertilizers and pesticides in rural area has accounted for the 68%~83% of pollution of area source total amount, and it is serious Constrain the sustainable development of agricultural and rural economy environment, the most scientifically recognize and effectively control widespread pollution from the overuse of fertilizers and pesticides in rural area oneself become One urgent research topic.Present Domestic external widespread pollution from the overuse of fertilizers and pesticides in rural area sewage disposal aspect achieves certain achievement, but for agriculture The research of field ditch canal ecological purification engineering key technology is the most less, is unfavorable for realizing agricultural area source dirt water reuse.
Land treatment system main development direction is the exploitation of association type ecological treatment system in recent years, is also at ditch polluted water ecology Reason technology to continue the key technical problem solved from now on, how to one of each processing system or carry out Cascade System each other With the system optimization of technological parameter more effectively to improve water quality treatment, it also it is the key that faced of ditch polluted water eco-treatment technology Technical problem.
The EPSB engineering bacteria strain selected is provided by Chinese Academy of Sciences's biological inoculum storehouse and Ministry of Agriculture microorganism fungus kind storehouse, EPSB work Journey bacterium can reduce rapidly the concentration of polluted-water Middle nutrition thing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of farmland ditch ecological purification system purifying rural sewage.
This utility model solves its technical problem the technical scheme is that farmland ditch ecological purification system, including water inlet, Initial filter section, irrigation canals and ditches section, baffling sand setting section, strengthening medium section, described water inlet is arranged on the porch of initial filter section, described initial filter Pond, irrigation canals and ditches section, baffling sand setting section, strengthening medium section sequential communication, be equipped with EPSB engineering bacteria bottom described baffling sand setting section Granular layer.
Being further to be provided with grid in initial filter section, the two ends of described grid are removably connected to the two side of initial filter section.
It is further that initial filter section rear end is provided with initial filter section barricade, described initial filter section barricade bottom is provided with many initial filter section mistakes Water pipe, described initial filter section and irrigation canals and ditches section cross cross current by initial filter section.
It is further that baffling sand setting section rear end is provided with baffling sand setting section barricade, baffling sand setting section barricade bottom is provided with baffling Sand setting section crosses water pipe, and described baffling sand setting section crosses cross current with strengthening medium section by baffling sand setting section.
Being further to be provided with at least 2 deflected current walls in baffling sand setting section, one end of deflected current wall is connected to the one of baffling sand setting section On avris wall, between the other end and the another side sidewall of baffling sand setting section of deflected current wall, there is spacing;And in adjacent deflected current wall, One of them deflected current wall is arranged on one side sidewall of baffling sand setting section, and another deflected current wall is arranged on the another side of baffling sand setting section On sidewall.
Further, deflected current wall has three.
Further be strengthening medium pool have set gradually from top to bottom sand-gravel cushion, medium filler layer, filter course, gravel Stone bed course, the filler of described medium filler layer is EPSB engineering bacteria granule.
The beneficial effects of the utility model are: sewage is entered whole system by water inlet, first pass around initial filter section, described initial filter section Farmland foreign material and silt, regulation wastewater influent water quality and the water yield can be intercepted.And then enter baffling sand setting section through irrigation canals and ditches section, described Baffling sand setting section bottom is covered with EPSB engineering bacteria granular layer, and this section, can due to the immixture of described EPSB engineering bacteria granular layer Remove inorganic particulate matter and the part organic suspended matter of the overwhelming majority in sewage.Sewage finally flows through strengthening medium section, described strengthening The preferred high effect nontoxic of medium in medium section, the harmless strengthening medium easily recycled, it is possible to efficiently remove the nitrogen in sewage, phosphorus Deng pollutant, it is substantially reduced the pollutional load entering artificial swamp, reaches optimum filtering water.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model farmland ditch ecological purification system;
Fig. 2 is the sectional drawing of this utility model strengthening medium section;
Fig. 3 is the sectional drawing of this utility model baffling sand setting section;
Label in Fig. 1: 1-water inlet, 2-baffling sand setting section, 3-strengthen medium section, 4-grid, 5-irrigation canals and ditches section, 6-baffling Wall, 7-PVC manage;
Label in Fig. 2: 301-sand-gravel cushion, 302-medium filler layer, 303-filter course, 304-gravel blanket;
Label in Fig. 3: 201-EPSB engineering bacteria granular layer.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As it is shown in figure 1, this utility model farmland ditch ecological purification system, including water inlet 1, initial filter section 8 irrigation canals and ditches section 5, folding Stream sand setting section 2, strengthening medium section 3, described water inlet 1 is arranged on the porch of initial filter section 8, described preliminary filter 8, irrigation canals and ditches section 5, baffling sand setting section 2, strengthening medium section 3 sequential communication, be equipped with EPSB engineering bacteria bottom described baffling sand setting section 2 Granulosa 9.Sewage is entered whole system by water inlet 1, first passes around initial filter section 8, described initial filter section 8 can intercept farmland foreign material and Silt, regulation wastewater influent water quality and the water yield.And then enter baffling sand setting section 2, described baffling sand setting section 2 through irrigation canals and ditches section 5 Bottom is covered with EPSB engineering bacteria granular layer 201, by the effect of described EPSB engineering bacteria granular layer 201, in removable sewage absolutely Most inorganic particulate matter and part organic suspended matter.Sewage finally flows through strengthening medium section 3, in described strengthening medium section 3 The preferred high effect nontoxic of medium, the harmless strengthening medium easily recycled, it is possible to efficiently remove the pollutant such as the nitrogen in sewage, phosphorus, It is substantially reduced the pollutional load entering artificial swamp.
In the above-described embodiment, described initial filter section 8 can be a pond simply allowing current process or water channel, but in order to Foreign material in the sewage that front end is come can be retained, as preferred mode, in initial filter section 8, be provided with grid 4, described The two ends of grid 4 are removably connected to the two side of initial filter section 8.By this grid 4, in water water inlet 1 can come in Foreign material filter, and owing to the two ends of grid 4 are removably connected to the two side of initial filter section 8, can human at periodic intervals by grid 4 taking-ups are cleared up.
In the above-described embodiment, in order to be able to control the flow velocity of sewage so that sewage is sufficiently filtered in described initial filter section 8, Be provided with initial filter section barricade 10 in described initial filter section 8 rear end, described initial filter section barricade 10 bottom is provided with a lot of root initial filter section mistake Water pipe 7, described initial filter section 8 is crossed water pipe 7 with irrigation canals and ditches section 5 by initial filter section and is connected, as preferred mode, described initial filter section Water inlet pipe 7 uses and is difficult to the PVC material pipeline that burn into is conveniently replaceable,
In the above-described embodiment, the flow velocity of strengthening medium section 3, institute are entered by described baffling sand setting section 2 in order to be able to control sewage State baffling sand setting section 2 rear end and be provided with baffling section barricade 11, baffling sand setting section barricade 11 bottom is provided with baffling sand setting section mistake Water pipe 12, as preferred mode, described baffling sand setting section is crossed water pipe 12 employing and is difficult to the PVC material that burn into is conveniently replaceable Pipeline.
In the above-described embodiment, described baffling sand setting section 2 can be the pond of a bending, but in order to cost-effective, again can Ensure the length of current flow process, extend the sedimentation time, and then fully remove the pollutant in sewage, in described baffling sand setting section 2 Being provided with at least 2 deflected current walls 6, a section of deflected current wall 6 is connected on the sidewall of baffling sand setting section 2, deflected current wall 6 Between the another side sidewall of the other end and baffling sand setting section 2, there is spacing;And in adjacent deflected current wall 6, one of them baffling Wall 6 is arranged on one side sidewall of baffling sand setting section 2, and another deflected current wall 6 is arranged on the another side sidewall of baffling sand setting section 2 On.
In the above-described embodiment, in described baffling sand setting section 2, deflected current wall 6 number of setting is at 2 or more than 2, But in order to both ensure that sewage flows through described baffling sand setting section 2 and has the sedimentation time of abundance and enough operation lengths, ensure again described The work efficiency of baffling sand setting section 2, therefore the time that sewage flows through described baffling sand setting section 2 is unsuitable too short also unsuitable long, as Preferably mode, described baffling sand setting section 2 arranges 3 deflected current walls 6.
In the above-described embodiment, described strengthening medium section 3 have top-down sand-gravel cushion 301, medium filler layer 302, Filter course 303, gravel blanket 304, the filler of described medium filler layer 302 is EPSB engineering bacteria granule, described sand gravel pad Layer 301 and filter course 303 and gravel blanket 304 all have sedimentation silt, abatement kinetic energy, the effect of absorption pollutant.Described Medium filler layer 302, due to the effect of engineering bacteria granule, can significantly cut down organic and inorganic pollution, and can eliminate black smelly, cut Subtract bed mud, reduce the pollutant load such as total nitrogen, total phosphorus.

Claims (7)

1. farmland ditch ecological purification system, it is characterised in that: include water inlet (1), initial filter section (8), irrigation canals and ditches section (5), Baffling sand setting section (2), strengthening medium section (3), described water inlet (1) is arranged on the porch of initial filter section (8), described at the beginning of Filter tank (8), irrigation canals and ditches section (5), baffling sand setting section (2), strengthening medium section (3) sequential communication, described baffling sand setting section (2) Bottom is equipped with EPSB engineering bacteria granular layer (201).
2. farmland ditch ecological purification system as claimed in claim 1, it is characterised in that: it is provided with in initial filter section (8) Grid (4), the two ends of described grid (4) are removably connected to the two side of initial filter section (8).
3. farmland ditch ecological purification system as claimed in claim 1, it is characterised in that: arrange in initial filter section (8) rear end There is initial filter section barricade (10), described initial filter section barricade (10) bottom is provided with many initial filter sections and crosses water pipe (7), described initial filter Section (8) is crossed water pipe (7) with irrigation canals and ditches section (5) by initial filter section and is connected.
4. farmland ditch ecological purification system as claimed in claim 3, it is characterised in that: in baffling sand setting section (2) rear end It is provided with baffling sand setting section barricade (11), baffling sand setting section barricade (11) bottom is provided with baffling sand setting section and crosses water pipe (12), Described baffling sand setting section (2) is crossed water pipe (12) with strengthening medium section (3) by baffling sand setting section and is connected.
5. farmland ditch ecological purification system as claimed in claim 1, it is characterised in that: in described baffling sand setting section (2) Being provided with at least 2 deflected current walls (6), one end of deflected current wall (6) is connected on the sidewall of baffling sand setting section (2), folding Between the other end and the another side sidewall of baffling sand setting section (2) of stream wall (6), there is spacing;And at adjacent deflected current wall (6) In, one of them deflected current wall (6) is arranged on the sidewall of baffling sand setting section (2), and another deflected current wall (6) is arranged on On the another side sidewall of baffling sand setting section (2).
6. farmland ditch ecological purification system as claimed in claim 5, it is characterised in that: described deflected current wall (6) has three Individual.
7., according to the farmland ditch ecological purification system described in any one claim in claim 1 to 6, its feature exists In: described strengthening medium section (3) have set gradually from top to bottom sand-gravel cushion (301), medium filler layer (302), Filter course (303), gravel blanket (304), the filler of described medium filler layer (302) is EPSB engineering bacteria granule.
CN201620387601.7U 2016-05-03 2016-05-03 Ecological clean system of farmland irrigation canals and ditches Expired - Fee Related CN205616732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620387601.7U CN205616732U (en) 2016-05-03 2016-05-03 Ecological clean system of farmland irrigation canals and ditches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620387601.7U CN205616732U (en) 2016-05-03 2016-05-03 Ecological clean system of farmland irrigation canals and ditches

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107117766A (en) * 2017-03-24 2017-09-01 机科发展科技股份有限公司 Have the effectively hydrolyzing acidifying integrated technique of desanding, hydrolysis acidification, preliminary sedimentation tank and denitrogenation concurrently
CN111592179A (en) * 2020-05-15 2020-08-28 张燕梅 Intelligent sewage purification equipment
CN111606500A (en) * 2020-05-15 2020-09-01 张燕梅 Sewage purification treatment device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107117766A (en) * 2017-03-24 2017-09-01 机科发展科技股份有限公司 Have the effectively hydrolyzing acidifying integrated technique of desanding, hydrolysis acidification, preliminary sedimentation tank and denitrogenation concurrently
CN111592179A (en) * 2020-05-15 2020-08-28 张燕梅 Intelligent sewage purification equipment
CN111606500A (en) * 2020-05-15 2020-09-01 张燕梅 Sewage purification treatment device

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161005

Termination date: 20210503