CN104817170B - Large-scale pig farm treatment for cow manure ecological recycle system - Google Patents

Large-scale pig farm treatment for cow manure ecological recycle system Download PDF

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Publication number
CN104817170B
CN104817170B CN201510187712.3A CN201510187712A CN104817170B CN 104817170 B CN104817170 B CN 104817170B CN 201510187712 A CN201510187712 A CN 201510187712A CN 104817170 B CN104817170 B CN 104817170B
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biogas
liquid
solid
unit
biogas slurry
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CN104817170A (en
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秦英林
钱瑛
苏党林
冯勋伟
朱建华
刘斌
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Muyuan Foods Co Ltd
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Muyuan Foods Co Ltd
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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

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  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses a kind of Large-scale pig farm treatment for cow manure ecological recycle system, including excrement dirt collector unit, solid-liquid separation unit, anaerobic fermentation unit, biogas utilization unit and biogas slurry range site, excrement dirt collector unit includes collecting tank, stercoroma pond, sedimentation basin and liquid storage tank, solid-liquid separation unit includes solid-liquid separating machine and organic fertilizer processing unit, anaerobic fermentation unit is multistage anaerobic reaction unit, including one-level anaerobic reaction-pot and secondary anaerobic retort, biogas utilization unit includes biogas cabinet, methane purifying device and biogas electricity generation apparatus, biogas slurry range site includes biogas slurry storage pool, forestry irrigation rig and farmland irrigating device, the plastics soft protective layer of high temperature resistance resistance to oxidation is provided with above stercoroma pond and liquid storage tank.Excrement sewage is not only generated biogas and biogas slurry by the present invention through everfermentation, also be have passed through separation of solid and liquid, is generated organic fertilizer, and avoids the possibility that waste gas produces secondary pollution, is reached waste and is effectively sufficiently recycled, improves comprehensive utilization ratio.

Description

Large-scale pig farm treatment for cow manure ecological recycle system
First, technical field:
The present invention relates to a kind of dirt of excrement to utilize system, more particularly to a kind of Large-scale pig farm treatment for cow manure ecological circulation System, by using separation of solid and liquid and anaerobic fermentation technology, excrement sewage is first separated into argol and liquid dung, argol becomes by processing Into organic fertilizer, liquid dung produces biogas and biogas slurry by anaerobic fermentation, and biogas can be used for generating electricity, biogas slurry can be used for pouring farmland And trees.
2nd, background technology:
With the development of animal husbandry, the quick increase in Large-scale pig farm and pig region, caused subject matter is just It is the process problem of bulky stool sewage and waste water, if processing is bad to will result in environmental pollution, it is attached to bring disaster to pig farm when serious Nearly farmland, influence the life of peasant.If a kind of method can effectively handle excrement sewage caused by cultivation and carry out excrement dirt Recycle, then can saves great expense to aquaculture, improves comprehensive utilization ratio.
3rd, the content of the invention:
The technical problems to be solved by the invention are:A kind of Large-scale pig farm treatment for cow manure ecological recycle system is provided, Excrement sewage can be not only set to produce biogas and biogas slurry through everfermentation, separation of solid and liquid generation organic fertilizer can also be passed through, reaching waste has Effect sufficiently recycles, and improves comprehensive utilization ratio.
It is of the invention to be for the technical solution adopted for solving the technical problem:
A kind of Large-scale pig farm treatment for cow manure ecological recycle system, including excrement dirt collector unit, solid-liquid separation unit, detest Aerobe fermentation unit, biogas utilization unit and biogas slurry range site, the excrement dirt collector unit include collecting tank, stercoroma pond, precipitation Pond and liquid storage tank, after the excrement sewage ejected from plant is by described collecting tank, waste liquid flows into after sedimentation basin precipitates Stand-by into liquid storage tank, the solid excrement dirt that collecting tank filters out and the solid excrement dirt that sedimentation basin deposits are transported to stercoroma pond In it is stand-by;The solid-liquid separation unit includes solid-liquid separating machine and organic fertilizer processing unit, and the solid excrement in the stercoroma pond is dirty After solid-liquid separating machine is handled, solid matter is handled through organic fertilizer processing unit, liquid is flowed into liquid storage tank;It is described Anaerobic fermentation unit is multistage anaerobic reaction unit, including one-level anaerobic reaction-pot and secondary anaerobic retort, the liquid storage tank Sequentially entered after the boosted pump lifting of interior waste liquid in one-level anaerobic reaction-pot and secondary anaerobic retort;The biogas utilization Unit includes biogas cabinet, methane purifying device and biogas electricity generation apparatus, the one-level anaerobic reaction-pot and secondary anaerobic retort In caused biogas by getter pipeline enter the biogas cabinet in, exported from biogas cabinet come biogas filled through marsh gas purifying It is input to after putting purification in biogas electricity generation apparatus;The biogas slurry range site includes biogas slurry storage pool, forestry irrigation rig and agriculture Field irrigation rig, caused biogas slurry flows into through biogas slurry conveyance conduit in the one-level anaerobic reaction-pot and secondary anaerobic retort In biogas slurry storage pool, as needed, the biogas slurry of the biogas slurry storage pool separately flows into forestry irrigation rig and farmland irrigating device In utilized;The plastics soft protective layer of high temperature resistance resistance to oxidation is provided with above the stercoroma pond and liquid storage tank.
The collecting tank is " convex " type structure, is formed by concreting, bottom is divided into blank wall hollow-core construction, top half Collecting tank on be irregularly provided with several waste liquid through holes, one layer of screen pack, the collection are provided with collecting tank outer end It is connected between groove and screen pack by bolt, the solid excrement dirt filtered out outside the screen pack is transported in stercoroma pond It is stand-by;The tip height of the collecting tank is less than the height of plant's swinery leakage dropping-board.
The sedimentation basin is made up of small cisterna ambiens, middle cisterna ambiens and big cisterna ambiens;The small cisterna ambiens is arranged on the interior of the middle cisterna ambiens Chamber, four small baffles are evenly arranged between small cisterna ambiens and middle cisterna ambiens, several small pass through irregularly is provided with each small baffle Through hole;The middle cisterna ambiens is arranged in the inner chamber of the big cisterna ambiens, is evenly arranged between middle cisterna ambiens and big cisterna ambiens four big Dividing plate, several big through holes are irregularly provided with each large baffle;Four small baffles and four large baffle positions are mutual Stagger, be evenly arranged.
Position among each two large baffle corresponding to lower section is provided with a small baffle, and institute is right above each two small baffle The position answered is provided with a large baffle.
As needed, multistage anaerobic reaction unit of the invention can set the anaerobic reaction-pot of three or more than three.
Excrement sewage is first separated into argol and liquid dung by using solid-liquid separation technique and anaerobic fermentation technology by the present invention, Argol becomes organic fertilizer by processing, and organic fertilizer can apply fertilizer directly to crops, trees, and liquid dung produces natural pond by anaerobic fermentation Gas and biogas slurry, biogas can be used for generate electricity, biogas slurry can be used for pour farmland and trees.
Plastics soft protective layer of the invention by being provided with high temperature resistance resistance to oxidation above the stercoroma pond and liquid storage tank, It is possible to prevente effectively from waste gas is discharged into air, secondary pollution is produced, meets the enterprise development theory of environmental protection and public nuisance free.
For the present invention by the way that collecting tank to be designed to " convex " type structure, top half is collecting tank, is set in collecting tank outer end There is one layer of screen pack, initial gross separation can be carried out to the waste water of plant, stop that the solid matter in waste liquid enters collecting tank, carry The separating effect of high solid-liquid, processing cost is reduced, the solid excrement dirt filtered out outside screen pack is transported in stercoroma pond, directly Connect and enter recycling link after organic fertilizer processing unit is handled.
The present invention small cisterna ambiens, middle cisterna ambiens and big cisterna ambiens connect together mutually, reduce floor space, and sewage is circumferentially Direction is flowed, and annularly flow is carried out between different cavitys by the through hole of dividing plate, increases flow path, slows down flow velocity Degree, improve sedimentation effect.
The excrement dirt utilization system of the present invention and the difference of in general Waste Water Treatment are:It is not only that excrement is dirty Water generates biogas through everfermentation, also have passed through separation of solid and liquid, generates organic fertilizer, and avoids waste gas and produce secondary pollution Possibility, reach waste and effectively sufficiently recycle, improve comprehensive utilization ratio.
The positive beneficial effect of the present invention is as follows:
1st, solid is manufactured into organic fertilizer by the present invention, and biogas is for generating electricity, biogas slurry is used for pouring farmland and trees, makes waste Reach and effectively sufficiently recycle, improve comprehensive utilization ratio.
2nd, the present invention fundamentally solves the process problem of large-scale aquaculture excrement sewage, realizes clean manufacturing and waste The maximization that utilizes and most rationalize.
3rd, present invention, avoiding the possibility that waste gas produces secondary pollution, meet the production theory of environmental protection and public nuisance free, be worth Promote.
4th, illustrate:
Fig. 1 is the principle schematic diagram of the present invention;
Fig. 2 is the mplifying structure schematic diagram of collecting tank in Fig. 1;
Fig. 3 is the mplifying structure schematic diagram of sedimentation basin in Fig. 1.
5th, embodiment:
The present invention is made further explanation and description below in conjunction with the accompanying drawings:
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of Large-scale pig farm treatment for cow manure ecological recycle system, including the dirty collection of excrement are single Member, solid-liquid separation unit, anaerobic fermentation unit, biogas utilization unit and biogas slurry range site;
Excrement dirt collector unit includes collecting tank 2, stercoroma pond 3, sedimentation basin 4 and liquid storage tank 5, and the excrement ejected from plant is dirty After water 1 is by collecting tank 2, waste liquid is flowed into the solid stand-by in liquid storage tank 5, collecting tank 2 filters out after the precipitation of sedimentation basin 4 The solid excrement dirt that excrement dirt and sedimentation basin 4 deposit is transported to stand-by in stercoroma pond 3;
Solid-liquid separation unit includes solid-liquid separating machine 6 and organic fertilizer processing unit 7, the solid excrement soiled ends mistake in stercoroma pond 3 After the processing of solid-liquid separating machine 6, solid matter is handled through organic fertilizer processing unit 7, liquid is flowed into liquid storage tank 5;
Anaerobic fermentation unit is multistage anaerobic reaction unit, including one-level anaerobic reaction-pot 9 and secondary anaerobic retort 10, The boosted pump 8 of waste liquid in liquid storage tank 5 is sequentially entered in one-level anaerobic reaction-pot 9 and secondary anaerobic retort 10 after being lifted;
Biogas utilization unit includes biogas cabinet 12, methane purifying device 13 and biogas electricity generation apparatus 14, one-level anaerobic reaction Tank 9 and the inner caused biogas of secondary anaerobic retort 10 enter in biogas cabinet 12 by getter pipeline 11, from biogas cabinet 12 The biogas that output comes is input in biogas electricity generation apparatus 14 after the purification of methane purifying device 13;
Biogas slurry range site includes biogas slurry storage pool 16, forestry irrigation rig 17 and farmland irrigating device 18, one-level anaerobism Retort 9 and the inner caused biogas slurry of secondary anaerobic retort 10 are flowed into biogas slurry storage pool 16 through biogas slurry conveyance conduit 15, root According to needs, the biogas slurry of biogas slurry storage pool 16 separately flows into be utilized in forestry irrigation rig 17 and farmland irrigating device 18; Stercoroma pond 3 and the top of liquid storage tank 5 are provided with the plastics soft protective layer of high temperature resistance resistance to oxidation.
Wherein:Collecting tank 2 is " convex " type structure, is formed by concreting, bottom is divided into blank wall hollow-core construction, the first half Several waste liquid through holes are irregularly provided with the collecting tank 19 divided, the outer end of collecting tank 19 is provided with one layer of screen pack 20, It is connected between collecting tank 19 and screen pack 20 by bolt 21, the solid excrement dirt that the outside of screen pack 20 filters out is transported to Stand-by, collecting tank in stercoroma pond 3,19 tip height are less than the height of plant's swinery leakage dropping-board.
Sedimentation basin 4 is made up of small cisterna ambiens 22, middle cisterna ambiens 23 and big cisterna ambiens 24, and small cisterna ambiens 22 is arranged on the interior of middle cisterna ambiens 23 Chamber, four small baffles 26 are evenly arranged between small cisterna ambiens 22 and middle cisterna ambiens 23, are irregularly provided with each small baffle 26 Several small through holes;Middle cisterna ambiens 23 is arranged in the inner chamber of big cisterna ambiens 24, is uniformly arranged between middle cisterna ambiens 23 and big cisterna ambiens 24 There are four large baffles 25, several big through holes are irregularly provided with each large baffle 25;Four small baffles 26 and four greatly every The position of plate 25 is mutually staggered, is evenly arranged;Position among each two large baffle corresponding to lower section is provided with a small baffle, often Position corresponding to above two small baffles is provided with a large baffle.
As needed, multistage anaerobic reaction unit can set the anaerobic reaction-pot of three or more than three, carry out multistage Anaerobic fermentation reacts.
Excrement sewage is not only generated biogas and biogas slurry by the present invention through everfermentation, also be have passed through separation of solid and liquid, has been generated Machine fertilizer, and the possibility that waste gas produces secondary pollution is avoided, reach waste and effectively sufficiently recycle, improve comprehensive utilization Rate.

Claims (2)

1. a kind of Large-scale pig farm treatment for cow manure ecological recycle system, including excrement dirt collector unit, solid-liquid separation unit, anaerobism Fermentation unit, biogas utilization unit and biogas slurry range site, it is characterised in that:The excrement dirt collector unit includes collecting tank(2)、 Stercoroma pond(3), sedimentation basin(4)And liquid storage tank(5), the excrement sewage that is ejected from plant(1)Pass through described collecting tank(2) Afterwards, waste liquid passes through sedimentation basin(4)Liquid storage tank is flowed into after precipitation(5)In stand-by, collecting tank(2)The solid excrement filtered out is dirty and heavy Shallow lake pond(4)The solid excrement dirt deposited is transported to stercoroma pond(3)In it is stand-by;The solid-liquid separation unit includes separation of solid and liquid Machine(6)With organic fertilizer processing unit(7), the stercoroma pond(3)In solid excrement soiled ends cross solid-liquid separating machine(6)After processing, admittedly Body material is through organic fertilizer processing unit(7)Handled, liquid is flowed into liquid storage tank(5)In;The anaerobic fermentation unit is more Level anaerobic reaction device, including one-level anaerobic reaction-pot(9)With secondary anaerobic retort(10), the liquid storage tank(5)Interior is useless The boosted pump of liquid(8)One-level anaerobic reaction-pot is sequentially entered after lifting(9)With secondary anaerobic retort(10)In;The biogas Range site includes biogas cabinet(12), methane purifying device(13)And biogas electricity generation apparatus(14), the one-level anaerobic reaction-pot (9)With secondary anaerobic retort(10)In caused biogas pass through getter pipeline(11)Into the biogas cabinet(12)In, from Biogas cabinet(12)The biogas that middle output comes is through methane purifying device(13)Biogas electricity generation apparatus is input to after purification(14)In;It is described Biogas slurry range site includes biogas slurry storage pool(16), forestry irrigation rig(17)And farmland irrigating device(18), the one-level detests Oxygen retort(9)With secondary anaerobic retort(10)In caused biogas slurry through biogas slurry conveyance conduit(15)Flow into biogas slurry storage pool (16)In, as needed, the biogas slurry storage pool(16)Biogas slurry separately flow into forestry irrigation rig(17)Filled with field irrigation Put(18)In utilized;In the stercoroma pond(3)And liquid storage tank(5)Top is provided with the soft guarantor of plastics of high temperature resistance resistance to oxidation Sheath;The collecting tank(2)For " convex " type structure, formed by concreting, bottom is divided into blank wall hollow-core construction, top half Collecting tank(19)On be irregularly provided with several waste liquid through holes, in collecting tank(19)Outer end is provided with one layer of screen pack (20), the collecting tank(19)With screen pack(20)Between pass through bolt(21)It is connected, the screen pack(20)Filter outside Solid excrement dirt out is transported to stercoroma pond(3)In it is stand-by;The collecting tank(19)Tip height be less than plant swinery The height of leakage dropping-board;The sedimentation basin(4)By small cisterna ambiens(22), middle cisterna ambiens(23)With big cisterna ambiens(24)Composition;The small cisterna ambiens (22)It is arranged on the middle cisterna ambiens(23)Inner chamber, in small cisterna ambiens(22)With middle cisterna ambiens(23)Between be evenly arranged with four septulums Plate(26), each small baffle(26)On be irregularly provided with several small through holes;The middle cisterna ambiens(23)It is arranged on the big ring Pond(24)Inner chamber in, in middle cisterna ambiens(23)With big cisterna ambiens(24)Between be evenly arranged with four large baffles(25), each greatly every Plate(25)On be irregularly provided with several big through holes;Four small baffles(26)With four large baffles(25)Position is mutually staggered Open, be evenly arranged;Position among each two large baffle corresponding to lower section is provided with a small baffle, each two small baffle top Corresponding position is provided with a large baffle.
2. Large-scale pig farm treatment for cow manure ecological recycle system according to claim 1, it is characterised in that:According to need Will, multistage anaerobic reaction unit can set the anaerobic reaction-pot of three or more than three, carry out multistage anaerobic fermentation reaction.
CN201510187712.3A 2015-04-21 2015-04-21 Large-scale pig farm treatment for cow manure ecological recycle system Active CN104817170B (en)

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Publication number Priority date Publication date Assignee Title
CN105272393A (en) * 2015-09-30 2016-01-27 广西晟农有机肥有限公司 Pig dung comprehensive utilization system and method thereof
CN106082552A (en) * 2016-08-05 2016-11-09 牧原食品股份有限公司 Scale livestock culture treatment for cow manure system
CN106045267A (en) * 2016-08-05 2016-10-26 牧原食品股份有限公司 Pig farm manure fertilizer ecological circulation treatment system
CN106035095A (en) * 2016-08-05 2016-10-26 牧原食品股份有限公司 Environmentally friendly and energy-saving drainage system of large farm
CN106045234A (en) * 2016-08-05 2016-10-26 牧原食品股份有限公司 Modern breeding industry waste collection and treatment system
CN106082553A (en) * 2016-08-05 2016-11-09 牧原食品股份有限公司 Pig farm pig manure collects circulating treating system automatically
CN106045233A (en) * 2016-08-05 2016-10-26 牧原食品股份有限公司 Animal husbandry and breeding industry waste discharge and integrated treatment system
CN106315979A (en) * 2016-09-22 2017-01-11 福州科力恩生物科技有限公司 Biogas waste liquid treatment device and treatment method
CN106365311A (en) * 2016-10-24 2017-02-01 福建省农业科学院农业工程技术研究所 Dung disposal ecological cycle system for large-scare pig farm
CN106351736A (en) * 2016-10-26 2017-01-25 南通市农业委员会 Method and system for generating electricity by excrement methane in livestock and poultry farm
CN108164309A (en) * 2018-01-19 2018-06-15 中阳县厚通科技养殖有限公司 A kind of pig raising waste source rape Water-soluble fertilizer special
CN109588367A (en) * 2018-11-19 2019-04-09 郑州大智农牧科技有限公司 A kind of ecology zero-emission home farm high-efficient production technology

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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
CN203803161U (en) * 2014-04-14 2014-09-03 牧原食品股份有限公司 Annular large-scale pig farm wastewater reclamation sedimentation basin

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