CN105950447A - Biogas slurry treatment device - Google Patents

Biogas slurry treatment device Download PDF

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Publication number
CN105950447A
CN105950447A CN201610343398.8A CN201610343398A CN105950447A CN 105950447 A CN105950447 A CN 105950447A CN 201610343398 A CN201610343398 A CN 201610343398A CN 105950447 A CN105950447 A CN 105950447A
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CN
China
Prior art keywords
biogas slurry
fermentation vat
heat
basin lid
treatment device
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Granted
Application number
CN201610343398.8A
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Chinese (zh)
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CN105950447B (en
Inventor
张正红
何文辉
向天勇
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Jiaxing Vocational and Technical College
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Jiaxing Vocational and Technical College
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/18Heat exchange systems, e.g. heat jackets or outer envelopes
    • C12M41/24Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M33/00Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/12Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
    • 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

Abstract

The invention provides a biogas slurry treatment device and belongs to the technical field of biogas slurry treatment. The technical problem that the existing biogas slurry treatment device cannot assure constant-temperature anaerobic fermentation of biogas slurry and the like is solved. The biogas slurry treatment device comprises a fermenting vat and a vat cover capable of covering the fermenting vat, a spiral cooling water circuit is formed in the wall of the fermenting vat, a water tank is fixed over the fermenting vat, and the water tank is communicated with an inlet of the cooling water circuit through a water pipe; a spiral heat exchange pipe is further arranged in the fermenting vat, both an inlet and an outlet of the heat exchange pipe penetrate out of the vat cover, and the inlet of the heat exchange pipe is communicated with the water tank; a gas feeding pipe is paved on the bottom surface of the fermenting vat, a gas inlet of the gas feeding pipe is communicated with a gas storage tank, the other end of the gas feeding pipe is a closed end, and a plurality of gas outgoing holes are formed in the wall of the gas feeding pipe. The biogas slurry treatment device has the advantages that biogas slurry is kept at constant temperature, and efficiency of fermentation is improved.

Description

A kind of biogas slurry treatment device
Technical field
The invention belongs to biogas slurry treatment technical field, relate to a kind of biogas slurry treatment device.
Background technology
Biogas slurry mostly is cattle manure, rabbit excrement, chicken manure mixed fermentation form, tasteless and send out after fermentation Fertilizer efficiency after ferment, is more than 10 times of general chemistry synthetic fertilizer.Water quality characteristic easily by Plant absorption, and will not be as chemical fertilizer, biogas slurry usage amount the most also will not be burnt Seedling, as the first-selected fertilizer of green ecological plantation, vegetable is typically directly supplied, large-scale super City, star hotel, private customization etc., biogas slurry has: anthelmintic, effect of parasite killing, children The fatality rate of worm and worm's ovum is more than 90%, belongs to green biological insecticidal agent.Biogas slurry makes During with, holding bad consumption and also do not result in burn seedlings phenomenon, this is also general chemistry One of place that synthetic fertilizer is incomparable.
Biogas slurry needs to ensure constant-temperatureanaerobic anaerobic fermentation, to sweat environment during the fermentation Requiring higher, the fermentation of biogas slurry typically uses fermentation vat to realize, and biogas slurry is at sweat Middle meeting distributes heat, and owing to biogas slurry is generally static state in fermentation vat, this results in position The heat that biogas slurry fermentation in fermentation vat produces can be difficult to come out, in causing biogas slurry Portion's temperature can raise, and is unfavorable for the fermentation of biogas slurry, causes biogas slurry fermentation efficiency low.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of Biogas slurry treatment device, present invention solves the technical problem that the efficiency being to improve fermentation.
The purpose of the present invention can be realized by following technical proposal:
A kind of biogas slurry treatment device, it is characterised in that include fermentation vat and can be by fermentation vat The basin lid covered, described fermentation vat cylindrically, has spiral shell in the pool wall of described fermentation vat The cooling water channel of rotation shape, the import of described cooling water channel is positioned at the pool wall of fermentation vat near upper On the outer peripheral face of end, the outlet of cooling water channel is positioned at the pool wall of fermentation vat outside lower end On side face, described fermentation vat be fixedly arranged above water tank, described water tank by water pipe with cold But the inlet communication in water route;Helical heat-exchange tube it is additionally provided with in described fermentation vat, The inlet and outlet of described heat-exchange tube all passes basin lid, solid on the bottom surface of described fermentation vat Surely support, described heat-exchange tube is had to be fixed on support and be positioned at the middle part of fermentation vat, institute The import stating heat-exchange tube connects with water tank, and the outlet of described heat-exchange tube is positioned at heat exchange The lower section of the import of pipe;Breather also it is equipped with on the bottom surface of described fermentation vat, described logical One end of trachea is air inlet, and described air inlet and stores the storage of carbon dioxide Gas tank connects, and the other end of described breather is blind end, on the tube wall of described breather Have some ventholes;Three through holes, the two of described heat-exchange tube are had in described basin lid End is each passed through two of which through hole and and keeps between two through holes sealing respectively, described Breather have one end of air inlet through another through hole and and this through hole keep close Envelope.
It is equipped with thermometer on the inwall of fermentation vat and heat-exchange tube, thermometer can be passed through The temperature of diverse location biogas slurry in understanding fermentation vat, in biogas slurry near the position of fermentation vat inwall Put temperature higher time, be positioned at fermentation vat pool wall upper end cooling water channel can with near fermentation vat pond The biogas slurry of wall carries out heat exchange, it is to avoid near the change of the biogas slurry temperature of fermentation vat pool wall, In biogas slurry when fermentation vat center temperature is higher, it is positioned at the heat friendship in the middle part of fermentation vat Change Guan Nengyu to be positioned at the biogas slurry in the middle part of fermentation vat and carry out heat exchange, it is to avoid be positioned in fermentation vat The change of the biogas slurry temperature in portion, therefore can guarantee that the biogas slurry bulk temperature being positioned at fermentation vat Keep stable, improve the efficiency of fermentation, the water in heat-exchange tube entered by water tank and from The outlet of heat-exchange tube is discharged, and is provided with valve, water pipe and water between heat-exchange tube and water tank Valve it also is provided with between case;Being inflated in breather by air accumulator, gas is from breather Venthole in ejection, gas can float with the form of bubble, and the bubble of floating can be to natural pond Liquid carries out disturbance so that the biogas slurry being positioned at lower section can flow up, biogas slurry above Can flow downward, biogas slurry flows and is avoided that fermented product deposits so that fermented product Fully fermentation.
In above-mentioned biogas slurry treatment device, described basin lid is fixed with breather check valve, The inlet end of described breather check valve is positioned at the inner side of basin lid, going out of described breather check valve Gas end is positioned at the outside of basin lid.When inflation in breather, the gas of spilling is by logical Gas check valve pass-out in fermentation vat.
In above-mentioned biogas slurry treatment device, described heat-exchange tube is positioned at the one of fermentation vat Heat exchanging fin it is fixed with on Duan.Heat exchanging fin can increase the contact surface of heat-exchange tube and biogas slurry Long-pending, heat exchange can be carried out faster.
In above-mentioned biogas slurry treatment device, in the through hole of described basin lid, it is fixed with sealing ring, Described breather and heat-exchange tube can recline with the sealing ring in corresponding through hole.By sealing Circle ensures the sealing between basin lid and breather and heat-exchange tube, it is ensured that the nothing in fermentation vat Oxygen environment.
In above-mentioned biogas slurry treatment device, described basin lid is further fixed on transparent glass Pipe, described glass tubing keeps sealing through basin lid and with by sealing ring and basin lid, described The lower end of glass tubing is positioned at fermentation vat, and the upper end of described glass tubing is positioned at the top of basin lid, Be provided with, in described glass tubing, the bar that draws water, described in dry one end stretched in glass tubing of drawing water fix Have a rubber stopper, the tube wall of described rubber stopper and glass tubing closely against, described in draw water bar energy Drive rubber stopper moves up and down.Rubber can be upwards made during the fermentation by the bar that will draw water Plug moves up, and by underbalance effect, biogas slurry can be pressed in glass tubing, work as rubber Plug is mobile has biogas slurry to being positioned at the glass tubing above basin lid time above basin lid, can pass through Observe the process of the situation awareness fermentation of biogas slurry, thus determine when fermentation and complete, pass through This structure can conveniently observe the fermentation situation of biogas slurry.
Compared with prior art, this biogas slurry treatment device has so that biogas slurry keeps constant temperature, The advantage that improve the efficiency of fermentation.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this fermentation vat.
In figure, 1, fermentation vat;11, cooling water channel;2, basin lid;3, water tank;31、 Water pipe;4, heat-exchange tube;41, support;5, breather;51, blind end;52、 Venthole;6, air accumulator;7, sealing ring;8, glass tubing;81, draw water bar;82、 Rubber stopper.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention Case is further described, but the present invention is not limited to these embodiments.
As it is shown in figure 1, biogas slurry treatment device includes fermentation vat 1 and can be covered by fermentation vat 1 The basin lid 2 of lid, fermentation vat 1 cylindrically, has spiral type in the pool wall of fermentation vat 1 Cooling water channel 11, the import of cooling water channel 11 is positioned at the pool wall of fermentation vat 1 near upper On the outer peripheral face of end, the outlet of cooling water channel 11 is positioned at the pool wall of fermentation vat 1 near lower end Outer peripheral face on, fermentation vat 1 be fixedly arranged above water tank 3, water tank 3 is by water pipe 31 Inlet communication with cooling water channel 11;Helical heat exchange it is additionally provided with in fermentation vat 1 Pipe 4, the inlet and outlet of heat-exchange tube 4 is respectively positioned on the top of fermentation vat 1, fermentation vat 1 Bottom surface on be fixed with support 41, heat-exchange tube 4 be fixed on support 41 and be positioned at send out The middle part in ferment pond 1, heat-exchange tube 4 is positioned on one section of fermentation vat 1 and is fixed with heat friendship Change sheet, the import of heat-exchange tube 4 with and water tank 3 connect;On the bottom surface of fermentation vat 1 also Being equipped with breather 5, one end of breather 5 is air inlet, and air inlet and stores The air accumulator 6 of carbon dioxide connects, and the other end of breather 5 is blind end 51, Some ventholes 52 are had on the tube wall of breather 5;Three through holes are had in basin lid 2, The two ends of heat-exchange tube 4 are each passed through two of which through hole and respectively and between two through holes Keeping sealing, breather 5 has one end of air inlet and passes another through hole and lead to this Keep between hole sealing, in the through hole of basin lid 2, be fixed with sealing ring 7, breather 5 He Heat-exchange tube 4 can recline with the sealing ring 7 in corresponding through hole.
Being fixed with breather check valve in basin lid 2, the inlet end of breather check valve is positioned at basin lid The inner side of 2, the outlet side of breather check valve is positioned at the outside of basin lid 2.Toward breather 5 During interior inflation, the gas of spilling passes through breather check valve pass-out in fermentation vat 1.
Being further fixed on transparent glass tubing 8 in basin lid 2, glass tubing 8 is through basin lid 2 also Keeping sealing with by sealing ring 7 and basin lid 2, the lower end of glass tubing 8 is positioned at fermentation vat In 1, the upper end of glass tubing 8 is positioned at the top of basin lid 2, is provided with and draws water in glass tubing 8 Bar 81, dry one end stretched in glass tubing 8 of drawing water is fixed with rubber stopper 82, rubber stopper 82 with the tube wall of glass tubing 8 closely against, the bar 81 that draws water can drive rubber stopper about 82 Mobile.Rubber stopper 82 can be upwards made upwards during the fermentation by the bar 81 that will draw water Mobile, by underbalance effect, biogas slurry can be pressed in glass tubing 8, when rubber stopper 82 Mobile have biogas slurry to being positioned at the glass tubing 8 above basin lid 2 time above basin lid 2, can By observing the process of the situation awareness fermentation of biogas slurry, thus determine when fermentation and complete, The fermentation situation of biogas slurry can be conveniently observed by this structure.
Being positioned at fermentation vat 1 pool wall upper end cooling water channel 11 can be with the biogas slurry near fermentation vat 1 pool wall Carry out heat exchange, it is to avoid near the change of the biogas slurry temperature of fermentation vat 1 pool wall, be positioned at and send out Heat-exchange tube 4 in the middle part of ferment pond 1 can carry out heat friendship with the biogas slurry being positioned in the middle part of fermentation vat 1 Change, it is to avoid be positioned at the change of biogas slurry temperature in the middle part of fermentation vat 1, therefore can guarantee that and be positioned at Biogas slurry bulk temperature in fermentation vat 1 keeps stable, improves the efficiency of fermentation;By storage Gas tank 6 is inflated in breather 5, and gas sprays in the venthole 52 of breather 5, Gas can float with the form of bubble, and the bubble of floating can carry out disturbance to biogas slurry so that The biogas slurry being positioned at lower section can flow up, and biogas slurry above can flow downward, biogas slurry Flow and be avoided that fermented product deposits so that fermented product fully ferments.
Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.

Claims (5)

1. a biogas slurry treatment device, it is characterised in that include fermentation vat and can will ferment The basin lid that pond covers, described fermentation vat cylindrically, has in the pool wall of described fermentation vat Spiral cooling water channel, the pool wall that the import of described cooling water channel is positioned at fermentation vat is close On the outer peripheral face of upper end, the outlet of cooling water channel is positioned at the pool wall of fermentation vat near lower end On outer peripheral face, described fermentation vat be fixedly arranged above water tank, described water tank by water pipe with The inlet communication of cooling water channel;Helical heat-exchange tube it is additionally provided with in described fermentation vat, The inlet and outlet of described heat-exchange tube all passes basin lid, solid on the bottom surface of described fermentation vat Surely support, described heat-exchange tube is had to be fixed on support and be positioned at the middle part of fermentation vat, institute The import stating heat-exchange tube connects with water tank, and the outlet of described heat-exchange tube is positioned at heat exchange The lower section of the import of pipe;Breather also it is equipped with on the bottom surface of described fermentation vat, described logical One end of trachea is air inlet, and described air inlet and stores the storage of carbon dioxide Gas tank connects, and the other end of described breather is blind end, on the tube wall of described breather Have some ventholes;Three through holes, the two of described heat-exchange tube are had in described basin lid End is each passed through two of which through hole and and keeps between two through holes sealing respectively, described Breather have one end of air inlet through another through hole and and this through hole keep close Envelope.
Biogas slurry treatment device the most according to claim 1, it is characterised in that described Being fixed with breather check valve in basin lid, the inlet end of described breather check valve is positioned at basin lid Inner side, the outlet side of described breather check valve is positioned at the outside of basin lid.
Biogas slurry treatment device the most according to claim 2, it is characterised in that described Heat-exchange tube is positioned on one section of fermentation vat and is fixed with heat exchanging fin.
Biogas slurry treatment device the most according to claim 2, it is characterised in that described Being fixed with sealing ring, described breather and heat-exchange tube in the through hole of basin lid can be logical with corresponding Sealing ring in hole reclines.
5., according to the biogas slurry treatment device described in claim 1 or 2 or 3 or 4, it is special Levying and be, described basin lid is further fixed on transparent glass tubing, described glass tubing passes pond Gai Bingyu keeps sealing by sealing ring and basin lid, and the lower end of described glass tubing is positioned at fermentation In pond, the upper end of described glass tubing is positioned at the top of basin lid, is provided with and takes out in described glass tubing Water bar, described in dry one end stretched in glass tubing of drawing water be fixed with rubber stopper, described rubber Plug and the tube wall of glass tubing closely against, described in the bar that draws water rubber stopper can be driven to move up and down.
CN201610343398.8A 2016-05-23 2016-05-23 A kind of biogas slurry treatment device Active CN105950447B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107512932A (en) * 2017-10-23 2017-12-26 嘉兴职业技术学院 A kind of method that fertilizer is made using FLOS CHRYSANTHEMI ALBA from Haizhou of China stalk
CN107573117A (en) * 2017-10-23 2018-01-12 嘉兴职业技术学院 A kind of clutch structure on FLOS CHRYSANTHEMI ALBA from Haizhou of China stalk fermentation device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2329665Y (en) * 1998-03-05 1999-07-21 中国科学院生态环境研究中心 Airlift fermentation tank with pipe heat exchanger
WO2008142007A2 (en) * 2007-05-23 2008-11-27 Wilhelm Gantefort Fermenter for generating biogas from pumpable organic material
CN205024231U (en) * 2015-09-24 2016-02-10 南阳师范学院 Single trunk fungus anaerobic fermentation system
CN105462832A (en) * 2016-01-26 2016-04-06 江苏农林职业技术学院 Automatic temperature control methane fermentation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2329665Y (en) * 1998-03-05 1999-07-21 中国科学院生态环境研究中心 Airlift fermentation tank with pipe heat exchanger
WO2008142007A2 (en) * 2007-05-23 2008-11-27 Wilhelm Gantefort Fermenter for generating biogas from pumpable organic material
US20100240094A1 (en) * 2007-05-23 2010-09-23 Wilhelm Gantefort Fermenter for generating biogas from pumpable organic material
CN205024231U (en) * 2015-09-24 2016-02-10 南阳师范学院 Single trunk fungus anaerobic fermentation system
CN105462832A (en) * 2016-01-26 2016-04-06 江苏农林职业技术学院 Automatic temperature control methane fermentation device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107512932A (en) * 2017-10-23 2017-12-26 嘉兴职业技术学院 A kind of method that fertilizer is made using FLOS CHRYSANTHEMI ALBA from Haizhou of China stalk
CN107573117A (en) * 2017-10-23 2018-01-12 嘉兴职业技术学院 A kind of clutch structure on FLOS CHRYSANTHEMI ALBA from Haizhou of China stalk fermentation device
CN107512932B (en) * 2017-10-23 2020-10-16 嘉兴职业技术学院 Method for preparing fertilizer from chrysanthemum morifolium ramat straws
CN107573117B (en) * 2017-10-23 2020-10-16 嘉兴职业技术学院 Separation and reunion structure on Hangzhou white chrysanthemum straw fermenting installation

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