CN104787979A - Comprehensive utilization system for feces in large-scale breeding industry - Google Patents

Comprehensive utilization system for feces in large-scale breeding industry Download PDF

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Publication number
CN104787979A
CN104787979A CN201510187915.2A CN201510187915A CN104787979A CN 104787979 A CN104787979 A CN 104787979A CN 201510187915 A CN201510187915 A CN 201510187915A CN 104787979 A CN104787979 A CN 104787979A
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CN
China
Prior art keywords
biogas
unit
utilization system
solid
excrement
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510187915.2A
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Chinese (zh)
Inventor
秦英林
钱瑛
李楠
郭克
郭宝军
田方平
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Muyuan Foods Co Ltd
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Muyuan Foods Co Ltd
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Publication date
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Priority to CN201510187915.2A priority Critical patent/CN104787979A/en
Publication of CN104787979A publication Critical patent/CN104787979A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The invention discloses a comprehensive utilization system for feces in a large-scale breeding industry. The comprehensive utilization system comprises a feces collecting unit, a solid-liquid separating unit, an anaerobic fermentation unit, a biogas utilization system and a biogas slurry utilization system, wherein the feces collecting unit comprises a filter tank and a manure pit; the solid liquid separating unit comprises a solid-liquid separator, a buffer pool and an organic fertilizer treatment device; the anaerobic fermentation unit is a multi-grade anaerobic reaction device and comprises a first-degree anaerobic reaction tank and a second-degree anaerobic reaction tank; the biogas utilization system comprises a biogas cabinet, a biogas purification device and a biogas generation device; the biogas slurry utilization system comprises a biogas slurry storage pool, a farmland irrigation device and a forestry irrigation device; an annular sterilizing device is arranged at the periphery of each of the filter tank, the manure pit and the buffer pool; a plastic film layer is arranged above the filter tank, the manure pit and the buffer pool. Feces wastewater is fermented to produce biogas and biogas slurry, and the organic fertilizer is produced through solid-liquid separation, so that secondary pollution of waste gas is avoided, the feces wastewater is fully reutilized, and the comprehensive utilization rate is increased.

Description

The dirty utilization system of large-scale aquaculture excrement
Technical field:
The present invention relates to a kind of excrement dirt and utilize system, particularly relate to the dirty utilization system of a kind of large-scale aquaculture excrement, by adopting solid-liquid separation and anaerobic fermentation technology, first excrement sewage is separated into argol and liquid dung, argol becomes fertilizer through process, liquid dung produces biogas and natural pond liquid through anaerobically fermenting, and biogas can be used for generating, natural pond liquid and can be used for pouring farmland and trees.
Background technology:
Along with the development of livestock industry; Large-scale pig farm increases progressively fast with region of raising pigs; the subject matter brought is exactly the process problem of bulky stool sewage and waste water: because the leaching of fecaluria is very strong; if do not dealt carefully with; Water table will be entered by rainwash and diafiltration; or accumulate in soil, cause soil pollution.Fecaluria outdoor storeyard in pig farm is the main path causing surface water, groundwater pollution at the rainwash in rainy season.Therefore, how effective pig farm fecaluria for large-scale cultivation carries out effectively process is significant problem urgently to be resolved hurrily at present.If there is a kind of way effectively can process the excrement sewage of cultivation generation and carry out excrement dirt recycling, so just can saves great expense to aquaculture, improve comprehensive utilization ratio.
Summary of the invention:
Technical problem to be solved by this invention is: provide a kind of large-scale aquaculture excrement dirty utilization system, excrement sewage not only can be made to produce biogas and natural pond liquid by fermentation, fertilizer can also be produced through solid-liquid separation, make refuse reach recycling effectively fully, improve comprehensive utilization ratio.
The technical scheme that the present invention takes for technical solution problem is:
The dirty utilization system of a kind of large-scale aquaculture excrement, comprise excrement dirty collector unit, solid-liquid separation unit, anaerobically fermenting unit, biogas utilization unit and natural pond liquid range site, the dirty collector unit of described excrement comprises filtering basin and stercoroma pond, and the excrement sewage ejected from plant flow into stercoroma pond by described filtering basin; Described solid-liquid separation unit comprises solid-liquid separating machine, Buffer Pool and fertilizer treatment unit, and after the excrement soiled ends in described stercoroma pond crosses solid-liquid separating machine process, solid matter carries out processing through fertilizer treatment unit, liquid flow in Buffer Pool; Described anaerobically fermenting unit is multistage anaerobic reaction unit, comprises one-level anaerobic reaction-pot and secondary anaerobic retort, and the excrement sewage in described Buffer Pool enters into one-level anaerobic reaction-pot and secondary anaerobic retort successively after lift pump promotes; Described biogas utilization unit comprises biogas cabinet, methane purifying device and biogas electricity generation apparatus, the biogas produced in described one-level anaerobic reaction-pot and secondary anaerobic retort enters in described biogas cabinet through getter pipeline, exports the biogas come and be input in biogas electricity generation apparatus after methane purifying device purification from biogas cabinet; Described natural pond liquid range site comprises natural pond liquid storage pool, farmland irrigating device and forestry irrigation rig, the natural pond liquid produced in described one-level anaerobic reaction-pot and secondary anaerobic retort flows in the liquid storage pool of natural pond through natural pond liquid transport pipe, as required, the natural pond liquid of natural pond liquid storage pool flows into respectively in farmland irrigating device and forestry irrigation rig and utilizes.
Described filtering basin surrounding is provided with the first annular sterilizing unit, is provided with high temperature resistance sludge proof filtering basin plastic protective layer above filtering basin; Described stercoroma pond surrounding is provided with the second annular sterilizing unit, is provided with high temperature resistance sludge proof stercoroma pond plastic protective layer above stercoroma pond; Described Buffer Pool surrounding is provided with the 3rd annular sterilizing unit, is provided with high temperature resistance sludge proof Buffer Pool plastic protective layer above Buffer Pool.
Described multistage anaerobic reaction unit is the anaerobic reaction-pot of more than three or three.
The present invention is by adopting solid-liquid separation technique and anaerobic fermentation technology, first excrement sewage is separated into argol and liquid dung, argol becomes fertilizer through processing, fertilizer can directly to farm crop, trees fertilising, liquid dung produces biogas and natural pond liquid through anaerobically fermenting, and biogas can be used for generating, natural pond liquid and can be used for pouring farmland and trees.
The present invention, by being provided with the first annular sterilizing unit in filtering basin surrounding, is provided with high temperature resistance sludge proof filtering basin plastic protective layer above filtering basin; Stercoroma pond surrounding is provided with the second annular sterilizing unit, above stercoroma pond, is provided with high temperature resistance sludge proof stercoroma pond plastic protective layer; Buffer Pool surrounding is provided with the 3rd annular sterilizing unit, above Buffer Pool, is provided with high temperature resistance sludge proof Buffer Pool plastic protective layer.Exhaust gas emission effectively can be avoided like this to enter in air, produce secondary pollution, meet the enterprise development theory of environmental protection and public nuisance free.
The difference of the dirty utilization system of excrement of the present invention and general Waste Water Treatment is: not only excrement sewage is created biogas by fermentation, also have passed through solid-liquid separation, create fertilizer, and avoid the possibility that waste gas produces secondary pollution, make refuse reach recycling effectively fully, improve comprehensive utilization ratio.
Positive beneficial effect of the present invention is as follows:
1, solid is manufactured fertilizer by the present invention, and biogas is used for generating, natural pond liquid and is used for pouring farmland and trees, making refuse reach recycling effectively fully, improving comprehensive utilization ratio.
2, the present invention fundamentally solves the process problem of large-scale aquaculture excrement sewage, achieves the maximization of cleaner production and utilization of waste material and rationalizes most.
3, present invention, avoiding the possibility that waste gas produces secondary pollution, meet the production theory of environmental protection and public nuisance free, be worthy to be popularized.
Accompanying drawing illustrates:
Fig. 1 is structural principle schematic diagram of the present invention.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is made further explanation and description:
See Fig. 1, the dirty utilization system of a kind of large-scale aquaculture excrement, comprises excrement dirty collector unit, solid-liquid separation unit, anaerobically fermenting unit, biogas utilization unit and natural pond liquid range site.
The dirty collector unit of excrement comprises filtering basin 2 and stercoroma pond 3, and the excrement sewage 1 ejected from plant flow into stercoroma pond 3 by described filtering basin 2;
Solid-liquid separation unit comprises solid-liquid separating machine 4, Buffer Pool 6 and fertilizer treatment unit 5, the excrement soiled ends in stercoroma pond 3 cross solid-liquid separating machine 4 process after, solid matter carries out processing through fertilizer treatment unit 5, liquid flow in Buffer Pool 6;
Anaerobically fermenting unit is multistage anaerobic reaction unit, comprises one-level anaerobic reaction-pot 8 and secondary anaerobic retort 9, and the excrement sewage in Buffer Pool 6 enters into one-level anaerobic reaction-pot 8 and secondary anaerobic retort 9 successively after lift pump 7 promotes;
Biogas utilization unit comprises biogas cabinet 11, methane purifying device 12 and biogas electricity generation apparatus 13, one-level anaerobic reaction-pot 8 and secondary anaerobic retort 9 li of biogas produced enter in biogas cabinet 11 through getter pipeline 10, export the biogas come and be input in biogas electricity generation apparatus 13 after methane purifying device 12 purifies from biogas cabinet 11;
Natural pond liquid range site comprises natural pond liquid storage pool 15, farmland irrigating device 16 and forestry irrigation rig 17, the natural pond liquid that one-level anaerobic reaction-pot 8 and secondary anaerobic retort 9 li produce flows in natural pond liquid storage pool 15 through natural pond liquid transport pipe 14, as required, the natural pond liquid of natural pond liquid storage pool 15 flows into respectively in farmland irrigating device 16 and forestry irrigation rig 17 and utilizes.
Filtering basin 2 surrounding is provided with the first annular sterilizing unit 18, above filtering basin 2, is provided with high temperature resistance sludge proof filtering basin plastic protective layer; Stercoroma pond 3 surrounding is provided with the second annular sterilizing unit 19, above stercoroma pond 3, is provided with high temperature resistance sludge proof stercoroma pond plastic protective layer; Buffer Pool 6 surrounding is provided with the 3rd annular sterilizing unit 20; high temperature resistance sludge proof Buffer Pool plastic protective layer is provided with above Buffer Pool 6; exhaust gas emission effectively can be avoided like this to enter in air, produce secondary pollution, meet the enterprise development theory of environmental protection and public nuisance free.
As required, multistage anaerobic reaction unit can arrange the anaerobic reaction-pot of more than three or three, carries out multistage anaerobic fermentation reaction.
Excrement sewage is not only created biogas and natural pond liquid by the present invention by fermentation, also have passed through solid-liquid separation, creates fertilizer, and avoids the possibility that waste gas produces secondary pollution, makes refuse reach recycling effectively fully, improves comprehensive utilization ratio.

Claims (3)

1. the one kind large-scale dirty utilization system of aquaculture excrement, comprise excrement dirty collector unit, solid-liquid separation unit, anaerobically fermenting unit, biogas utilization unit and natural pond liquid range site, it is characterized in that: the dirty collector unit of described excrement comprises filtering basin (2) and stercoroma pond (3), and the excrement sewage (1) ejected from plant flow into stercoroma pond (3) by described filtering basin (2); Described solid-liquid separation unit comprises solid-liquid separating machine (4), Buffer Pool (6) and fertilizer treatment unit (5), after the excrement soiled ends in described stercoroma pond (3) crosses solid-liquid separating machine (4) process, during solid matter carries out processing through fertilizer treatment unit (5), liquid flow into Buffer Pool (6); Described anaerobically fermenting unit is multistage anaerobic reaction unit, comprise one-level anaerobic reaction-pot (8) and secondary anaerobic retort (9), the excrement sewage in described Buffer Pool (6) enters into one-level anaerobic reaction-pot (8) and secondary anaerobic retort (9) successively after lift pump (7) promotes; Described biogas utilization unit comprises biogas cabinet (11), methane purifying device (12) and biogas electricity generation apparatus (13), described one-level anaerobic reaction-pot (8) and inner the produced biogas of secondary anaerobic retort (9) enter in described biogas cabinet (11) through getter pipeline (10), export the biogas come and be input in biogas electricity generation apparatus (13) after methane purifying device (12) purification from biogas cabinet (11); Described natural pond liquid range site comprises natural pond liquid storage pool (15), farmland irrigating device (16) and forestry irrigation rig (17), described one-level anaerobic reaction-pot (8) and inner the produced natural pond liquid of secondary anaerobic retort (9) flow in natural pond liquid storage pool (15) through natural pond liquid transport pipe (14), as required, the natural pond liquid of natural pond liquid storage pool (15) flows into respectively in farmland irrigating device (16) and forestry irrigation rig (17) and utilizes.
2. the dirty utilization system of large-scale aquaculture excrement according to claim 1, it is characterized in that: described filtering basin (2) surrounding is provided with the first annular sterilizing unit (18), filtering basin (2) top is provided with high temperature resistance sludge proof filtering basin plastic protective layer; Described stercoroma pond (3) surrounding is provided with the second annular sterilizing unit (19), and stercoroma pond (3) top is provided with high temperature resistance sludge proof stercoroma pond plastic protective layer; Described Buffer Pool (6) surrounding is provided with the 3rd annular sterilizing unit (20), and Buffer Pool (6) top is provided with high temperature resistance sludge proof Buffer Pool plastic protective layer.
3. the dirty utilization system of large-scale aquaculture excrement according to claim 1, is characterized in that: described multistage anaerobic reaction unit is the anaerobic reaction-pot of more than three or three.
CN201510187915.2A 2015-04-21 2015-04-21 Comprehensive utilization system for feces in large-scale breeding industry Pending CN104787979A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107027695A (en) * 2016-11-28 2017-08-11 江苏省农业科学院 The combined type circulating agricultural system that a kind of broiler breeding is combined with fresh water fishery
CN109970176A (en) * 2019-04-28 2019-07-05 广州市本元新能源有限公司 A kind of method of high-efficiency fermenting aquaculture wastewater
CN111606494A (en) * 2019-02-25 2020-09-01 常州蔓格环保科技有限公司 Life sewage treatment equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101063080A (en) * 2007-05-25 2007-10-31 济南百川同创实业有限公司 Biological energy-marsh gas fermentation-solar energy integrated utilization system
CN101709004A (en) * 2009-12-07 2010-05-19 哈尔滨工业大学 Method for comprehensively treating livestock waste and utilizing resource
CN103435154A (en) * 2013-09-02 2013-12-11 潮州市建成农业综合开发有限公司 Method for recycling contaminants of large-scale livestock and poultry farm
CN204644062U (en) * 2015-04-21 2015-09-16 牧原食品股份有限公司 The dirty utilization system of aquaculture excrement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101063080A (en) * 2007-05-25 2007-10-31 济南百川同创实业有限公司 Biological energy-marsh gas fermentation-solar energy integrated utilization system
CN101709004A (en) * 2009-12-07 2010-05-19 哈尔滨工业大学 Method for comprehensively treating livestock waste and utilizing resource
CN103435154A (en) * 2013-09-02 2013-12-11 潮州市建成农业综合开发有限公司 Method for recycling contaminants of large-scale livestock and poultry farm
CN204644062U (en) * 2015-04-21 2015-09-16 牧原食品股份有限公司 The dirty utilization system of aquaculture excrement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107027695A (en) * 2016-11-28 2017-08-11 江苏省农业科学院 The combined type circulating agricultural system that a kind of broiler breeding is combined with fresh water fishery
CN111606494A (en) * 2019-02-25 2020-09-01 常州蔓格环保科技有限公司 Life sewage treatment equipment
CN109970176A (en) * 2019-04-28 2019-07-05 广州市本元新能源有限公司 A kind of method of high-efficiency fermenting aquaculture wastewater

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Application publication date: 20150722

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