CN108640424A - A kind of complex control system for paddy agriculture pollution of area source - Google Patents
A kind of complex control system for paddy agriculture pollution of area source Download PDFInfo
- Publication number
- CN108640424A CN108640424A CN201810478951.8A CN201810478951A CN108640424A CN 108640424 A CN108640424 A CN 108640424A CN 201810478951 A CN201810478951 A CN 201810478951A CN 108640424 A CN108640424 A CN 108640424A
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- artificial
- wetland
- paddy
- control system
- complex control
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
Abstract
The invention discloses a kind of complex control system for paddy agriculture pollution of area source, the complex control system feeds back system by intercepting system, purification system, advanced treatment system and processing water and forms；The intercepting system is the paddy field ridge that paddy field periphery is not less than 30cm；The purification system is the drainage ditch positioned at paddy field ridge periphery, and the drainage ditch bottom is provided with multiple pore structures, and slow-release oxygen material is placed with below pore structure, and pore structure inside kind is implanted with one or more in Lythrum salicaria, Chinese celery or calamus；The advanced treatment system is the stepwise artificial wetland positioned at drainage ditch end；It is positioned at the artificial pool of stepwise artificial wetland end that the processing water, which feeds back system,；It is connected by pipeline between the artificial pool and paddy field, connecting pipe is equipped with back water pump.Present system solves the eutrophication problem in river, lake and reservoir caused by the Nutrient rain water runoff of paddy field using multi level control means, can effectively solve the problem that due to paddy agriculture pollution of area source and caused by environmental problem.
Description
Technical field
The present invention relates to a kind of complex control systems for paddy agriculture pollution of area source, belong to agricultural drain and prevention and control agriculture
Industry pollution of area source technical field.
Background technology
Since nowadays agricultural output is for the dependence of chemical fertilizer, either dry land or paddy field, in order to ensure to produce
Amount, is inevasible using chemical fertilizer.But statistics display, the utilization rate pole of main three kinds of chemical fertilizer in the agricultural production in China
It is low：N fertilizer is about 30%；K fertilizer is about 40%；P fertilizer is minimum, and only 10%~20%.Loss of the chemical fertilizer among dry land be mainly
Volatilization, predominantly leaching is melted among paddy field.And enter table with the water that paddy field is leaked most of in this part of chemical fertilizer that leaching melts away
Face water body causes the eutrophication such as lake, reservoir.
In order to cope with this phenomenon, soil measurement formula is taken in the prior art, builds the means such as ecological intercepting irrigation canals and ditches
Cut down pollution of area source.However these means can only slow down influence of the chemical fertilizer to environment to a certain extent, i.e., it is only local
Mitigation, environmental pollution still exist.
Invention content
Goal of the invention：Technical problem to be solved by the invention is to provide a kind of synthesis for paddy agriculture pollution of area source
Control system, the system using multi level control means come solve river caused by the Nutrient rain water runoff of paddy field, lake and
The eutrophication problem of reservoir, can effectively solve the problem that due to paddy agriculture pollution of area source and caused by environmental problem.
In order to solve the above technical problems, the technology used in the present invention means are：
A kind of complex control system for paddy agriculture pollution of area source, the complex control system is by intercepting system, net
Change system, advanced treatment system and processing water feed back system composition；
Wherein, the intercepting system is the paddy field ridge that paddy field periphery is not less than 30cm；
The purification system is the drainage ditch positioned at paddy field ridge periphery, and the drainage ditch bottom is provided with multiple holes
Structure, is placed with slow-release oxygen material below pore structure, one kind for kind being implanted with inside pore structure in Lythrum salicaria, Chinese celery or calamus or
It is a variety of；
The advanced treatment system is the stepwise artificial wetland positioned at drainage ditch end；
It is positioned at the artificial pool of stepwise artificial wetland end that the processing water, which feeds back system,；
It is connected by pipeline between the artificial pool and paddy field, connecting pipe is equipped with back water pump.
Wherein, the stepwise artificial wetland is anoxic-anaerobic-aerobic artificial swamp, anoxic-anaerobic-aerobic Manual moist
Ground is sequentially connected and is formed by anoxic artificial swamp, anaerobic manpower wetland oxidation and artificial wetland of becoming reconciled, the anoxic artificial swamp, anaerobism
Artificial swamp is become reconciled the stepped arrangement of oxidation and artificial wetland；A depthkeeping is filled in anoxic artificial swamp and anaerobic manpower wetland
The packing layer of degree, aerobic artificial swamp is interior to be equipped with siphon pipe, and the water that siphon pipe crosses aerobic artificial wetland treatment sucks artificial water
In the pool.
Wherein, the perforated area of pore structure is not higher than the 30% of drainage ditch base area.
Wherein, the loading of packing layer accounts for the 10%~12% of wetland volume in anoxic artificial swamp, anaerobic manpower wetland
The loading of middle packing layer accounts for the 16%~18% of wetland volume.
Wherein, the anoxic artificial swamp and anaerobic manpower wetland are all made of effluent weir water outlet.
Wherein, described filler layer is mixed by the component of following parts by weight：10~12 parts of iron carbon fillers and 3~4 parts
Manganese dioxide particle.
Wherein, the anoxic-anaerobic-aerobic artificial swamp bottom surface is equipped with antiseep water barrier.
Wherein, interior kind of the aerobic artificial swamp is implanted with one or more in humidogene iris class, grass-leaved sweetflag or taro class.
Compared with the prior art, technical solution of the present invention have the advantage that for：
Complex control system of the present invention can effectively solve the problem that the environmental problem that paddy field pollution of area source is brought, and the system is using more
Level control means solve the eutrophication problems such as river, lake, reservoir caused by the Nutrient rain water runoff of paddy field, and
The recycling of N, P, K can also be realized by gathering in the modes such as plant；Treated simultaneously, and water can be directly used for farmland irrigating water
Reuse.
Description of the drawings
Fig. 1 is the systematic schematic diagram of complex control system of the present invention；
Fig. 2 is the structural schematic diagram of the drainage ditch in complex control system of the present invention；
Fig. 3 is the vertical view of the drainage ditch in complex control system of the present invention；
Fig. 4 is the structural schematic diagram of the stepwise artificial wetland in complex control system of the present invention.
Specific implementation mode
Technical scheme of the present invention is described further below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1~4, the present invention be directed to paddy agriculture pollution of area source complex control system, the complex control system by
Intercepting system, purification system, advanced treatment system and processing water feed back system composition；Wherein, intercepting system is 1 periphery of paddy field
Paddy field ridge 14 not less than 30cm increases paddy field ridge 14 at least 30cm from present 20cm or so；Purification system is
Drainage ditch 7 positioned at 14 periphery of paddy field ridge, the bottom of drainage ditch 7 is provided with several rectangular pore structures or circular pore structure
7-1,7 bottom opening area of drainage ditch are not higher than the 30% of 7 base area of drainage ditch；It is placed with below pore structure 7-1 slow
Oxygen-release material, the inside kind pore structure 7-1, which is implanted with, to have absorbability to area source pollutants i.e. N, P, K etc. and economy resistant to lodging
Crop, as one or more in Lythrum salicaria, Chinese celery or calamus, 7 main body of drainage ditch is still rectangle, drainage ditch 7 two
Side wall is piled up by porose hollow brick is opened, and the crops for removing N, P in water removal can be still planted in hole, to further
Improve removal rate of this system for pollutant；Advanced treatment system is the stepwise artificial wetland positioned at 7 end of drainage ditch
8；Stepwise artificial wetland 8 is anoxic-anaerobic-aerobic artificial swamp, and anoxic-anaerobic-aerobic artificial swamp is by anoxic Manual moist
Ground 2, anaerobic manpower wetland 6 oxidation and artificial wetland 9 of becoming reconciled are sequentially connected composition, and anoxic artificial swamp 2, anaerobic manpower wetland 6 are become reconciled
9 stepped arrangement of oxidation and artificial wetland；The filler of certain depth is filled in anoxic artificial swamp 2 and anaerobic manpower wetland 6
Layer, the loading of packing layer 3 accounts for 10%~12% (forming anaerobic environment) of wetland volume, anaerobism people in anoxic artificial swamp 2
The loading of packing layer 5 accounts for 16%~18% (forming anaerobic environment) of wetland volume, packing layer 3 and packing layer 5 in work wetland 6
By the mixed fillers that parts by weight are 10~12 parts of iron carbon filler and 3~4 parts of manganese dioxide particle；Stepwise artificial is wet
8 bottom surface of ground is equipped with antiseep water barrier 12；It is equipped with siphon pipe 10 in aerobic artificial swamp 9, siphon pipe 10 is by aerobic Manual moist
9 processed water of ground sucks in artificial pool 11；It is the artificial water positioned at 8 end of stepwise artificial wetland to handle water and feed back system
The pool 11, the water outlet of artificial swamp 8, which puts together to import in artificial pool 11, is re-used as iirigation water source；Artificial pool 11 and paddy field 1 it
Between connected by pipeline 15, connecting pipe 15 be equipped with back water pump 4；Water in artificial pool 11 can be sent back to paddy field, and realization follows
Ring utilizes.
Stepwise artificial wetland 8 is built in 7 end of drainage ditch, and water to be clean is wet from the inflow stepwise artificial of drainage ditch 7
It is handled in the anoxic artificial swamp 2 on ground 8, the water outlet of anoxic artificial swamp 2 is discharged by effluent weir, and water outlet flows into anaerobic manpower
Wetland 6, treated that water flows into aerobic artificial swamp 9 by downflow weir for anaerobic manpower wetland 6, the place in aerobic artificial swamp 9
Water after reason is discharged into artificial pool 11 by siphon pipe 10.The water outlet of aerobic artificial swamp 9 is equipped with siphon pipe 10, and sewage enters
Before aerobic artificial swamp 9 and not up to 10 tube top of siphon pipe, siphon pipe 10 plays the role of closing water outlet, aerobic at this time artificial
The water surface rises in wetland 9, and until the water surface reaches 10 tube top of siphon pipe, the water in siphon pipe 10 flow to artificial pool along outlet
11, siphonic effect is formed, at this point, under siphonage, the water in aerobic artificial swamp 9 is quickly drained, aerobic artificial swamp 9
Inside forms partial negative pressure, and swabbing action is formed to air, achievees the purpose that aerobic artificial swamp 9 strengthens reoxygenation；To aerobic
Aerator need not be additionally set in reaction environment.The water of aerobic artificial swamp 10 can be quickly discharged to manually by siphonage
Pool 11 forms waterpower and breaks, siphonage is broken when being a good the water level of oxidation and artificial wetland 9 and being down to 10 nozzle of siphon pipe or less
It is bad, since water constantly enters aerobic artificial swamp 9, continues to accumulate sewage inside wetland, prepare for siphonage next time.It is good
One or more plants in humidogene iris class, grass-leaved sweetflag or taro class can be also planted in oxidation and artificial wetland 9, to further remove
Pollutant in water body；
The classification of stepwise artificial wetland 8 of the present invention is built, and is set in anoxic artificial swamp 2 and anaerobic manpower wetland 6
Set packing layer；Inner electrolysis reaction can occur in wetland for the iron carbon filler in packing layer, on the one hand pass through the Inner electrolysis of filler
Macromolecule contaminant can be degraded to small organic molecule by reaction, while can also help microorganism fast degradation is degradable together
Small molecule contaminants extend the cycle of operation of wetland to effectively reduce the generation of clogging in wetland, on the other hand,
The Inner electrolysis reaction of filler can consume the oxygen of anoxic and anaerobism section, and anoxic artificial swamp 2 is located in anaerobic environment, anaerobism people
Work wetland 6 is in anaerobic reaction environment, forms anoxic and anaerobic environment conducive to denitrification, improves the effect of system denitrogenation
Rate；And the manganese dioxide particle of blending can cooperate with iron carbon filler that its Inner electrolysis is promoted to react in packing layer, to make entirely to fill out
The bed of material has higher contaminant removal efficiency, it is often more important that manganese dioxide particle can also occur with the organic ligand in system
Reaction mitigates organic ligand and produces H to microorganism2O2The inhibition of effect, so further increase in system the utilization ratio of filler and
Contaminant removal efficiency, and environmental pH can also be effectively reduced, accelerate the reaction rate of Inner electrolysis；Aerobic Manual moist below
Ground 9 forms aerobic environment since siphonage is oxygenated.The collaboration that stepwise artificial wetland 8 passes through both aerobic and anaerobism
Effect, can effectively facilitate Nitrogen/Phosphorus Removal of the wetland to water.
Complex control system of the present invention by increasing paddy field ridge, do not influence machinery go to the field operation while, increase water
Field can store the volume of water, to be controlled from source, reduce the loss of chemical fertilizer to the greatest extent；Using ecology
On the one hand the drainage ditch of transformation can keep industrial crops growth in situ, avoid blocking water channel due to plant undue growth is spread,
On the other hand the suspended matter of rainwash can be intercepted again；The oxygen that slow-release oxygen material in drainage ditch is released can help micro-
Also it can prevent industrial crops root from festering because of anoxic while biodegradable polluter；Finally by the interception of artificial swamp
It is acted on decontamination, can further improve water quality, then send water back to paddy field and carry out reuse；And it can also be planted by gathering in wetland
Object achievees the purpose that recycle N, P, K.The complex control system operational effect of the present invention is good, at low cost, floor space is small, and has
There is additional economic benefit.
When raining, flows into after the outflow of paddy field ridge 14 with the eutrophic water of rain water runoff in paddy field and be located at paddy field field
In the drainage ditch 7 of 14 periphery of the ridge, after the processing of drainage ditch 7, stepwise artificial wetland 8 is flowed into, it is wet through stepwise artificial
Ground 8 deeply after processing, is sucked by siphon pipe 10 in artificial pool 11, and artificial pool 11 is connect with paddy field 1 by pipeline 15, when
When dry days, the water in artificial pool 11 can be pumped into paddy field 1 with back water pump 15 and be irrigated.The wetland for being discharged into artificial pool 11 goes out
Water COD≤100mg/L, ammonia nitrogen concentration≤10mg/L.
Claims (8)
1. a kind of complex control system for paddy agriculture pollution of area source, it is characterised in that：The complex control system is by blocking
The system of cutting, purification system, advanced treatment system and processing water feed back system composition；
Wherein, the intercepting system is the paddy field ridge that paddy field periphery is not less than 30cm；
The purification system is the drainage ditch positioned at paddy field ridge periphery, and the drainage ditch bottom is provided with multiple hole knots
Structure, is placed with slow-release oxygen material below pore structure, the one kind or more kind being implanted with inside pore structure in Lythrum salicaria, Chinese celery or calamus
Kind；
The advanced treatment system is the stepwise artificial wetland positioned at drainage ditch end；
It is positioned at the artificial pool of stepwise artificial wetland end that the processing water, which feeds back system,；
It is connected by pipeline between the artificial pool and paddy field, connecting pipe is equipped with back water pump.
2. the complex control system according to claim 1 for paddy agriculture pollution of area source, it is characterised in that：The rank
Ladder type artificial swamp be anoxic-anaerobic-aerobic artificial swamp, anoxic-anaerobic-aerobic artificial swamp by anoxic artificial swamp, detest
Oxidation and artificial wetland oxidation and artificial wetland of becoming reconciled is sequentially connected composition, the anoxic artificial swamp, anaerobic manpower wetland and aerobic artificial
The stepped arrangement of wetland；The packing layer of certain depth, aerobic people are filled in anoxic artificial swamp and anaerobic manpower wetland
Siphon pipe is equipped in work wetland, the water that siphon pipe crosses aerobic artificial wetland treatment sucks in artificial pool.
3. the complex control system according to claim 1 for paddy agriculture pollution of area source, it is characterised in that：Pore structure
Perforated area be not higher than drainage ditch base area 30%.
4. the complex control system according to claim 2 for paddy agriculture pollution of area source, it is characterised in that：Anoxic people
The loading of packing layer accounts for the 10%~12% of wetland volume in work wetland, and the loading of packing layer accounts for wet in anaerobic manpower wetland
The 16%~18% of ground volume.
5. the complex control system according to claim 2 for paddy agriculture pollution of area source, it is characterised in that：It is described to lack
Oxidation and artificial wetland and anaerobic manpower wetland are all made of effluent weir water outlet.
6. the complex control system according to claim 2 for paddy agriculture pollution of area source, it is characterised in that：It is described to fill out
The bed of material is mixed by the component of following parts by weight：10~12 parts of iron carbon fillers and 3~4 parts of manganese dioxide particles.
7. the complex control system according to claim 2 for paddy agriculture pollution of area source, it is characterised in that：The rank
Ladder type artificial swamp bottom surface is equipped with antiseep water barrier.
8. the complex control system according to claim 2 for paddy agriculture pollution of area source, it is characterised in that：It is described good
Interior kind of oxidation and artificial wetland is implanted with one or more in humidogene iris class, grass-leaved sweetflag or taro class.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478951.8A CN108640424B (en) | 2018-05-17 | 2018-05-17 | Comprehensive control system for paddy field agricultural non-point source pollution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478951.8A CN108640424B (en) | 2018-05-17 | 2018-05-17 | Comprehensive control system for paddy field agricultural non-point source pollution |
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| CN108640424A true CN108640424A (en) | 2018-10-12 |
| CN108640424B CN108640424B (en) | 2021-06-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485136A (en) * | 2018-11-22 | 2019-03-19 | 河海大学 | A kind of combined type farmland face source effluent treatment plant, its purification process and its application |
| CN116332346A (en) * | 2023-01-04 | 2023-06-27 | 武汉市市政建设集团有限公司 | Gravel matrix ecological drainage ditch suitable for communicating and purifying water quality between small micro water bodies |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116332346A (en) * | 2023-01-04 | 2023-06-27 | 武汉市市政建设集团有限公司 | Gravel matrix ecological drainage ditch suitable for communicating and purifying water quality between small micro water bodies |
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| CN108640424B (en) | 2021-06-01 |
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