CN102212462B - Solid phase and liquid phase integrated methane fermenting device - Google Patents

Solid phase and liquid phase integrated methane fermenting device Download PDF

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Publication number
CN102212462B
CN102212462B CN201110123220XA CN201110123220A CN102212462B CN 102212462 B CN102212462 B CN 102212462B CN 201110123220X A CN201110123220X A CN 201110123220XA CN 201110123220 A CN201110123220 A CN 201110123220A CN 102212462 B CN102212462 B CN 102212462B
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liquid
methane
solid phase
phase
valve
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CN102212462A (en
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刘庆玉
张良
李金洋
李轶
张敏
陈东雨
郭志富
牛卫生
赵玲
敖永华
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Shenyang Agricultural University
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    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/16—Solid state fermenters, e.g. for koji production
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/02—Form or structure of the vessel
    • C12M23/14—Bags
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/34—Internal compartments or partitions
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/36—Means for collection or storage of gas; Gas holders
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/02—Percolation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/02—Means for regulation, monitoring, measurement or control, e.g. flow regulation of foam
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS 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
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • Treatment Of Sludge (AREA)

Abstract

The invention relates to a solid phase and liquid phase integrated methane fermenting device. In the solid phase and liquid phase integrated methane fermenting device, a fermenting tank is divided into an upper part solid phase methane fermenting region and a lower part liquid phase methane fermenting region; substances of the two phases are separated by a solid phase bottom board; degraded sludge in the solid phase methane fermenting region enters the liquid phase region along with methane liquid through a drain valve; a methane liquid and methane communicating pipe is vertically arranged on the solid phase bottom board; and the methane liquid and methane communicating pipe is connected with the wall of the fermenting tank through two layers of shell-breaking cutting arms which are welded relatively interlacedly. According to the structure, shells can be broken automatically; the strength of the solid phase bottom board can be improved; raw materials are injected into the fermenting tank through a feeding slot and a slurry pump; methane slag and methane liquid are separated by a sieve plate; the slurry in the methane liquid is discharged from a blowoff valve at the bottom; and clear liquid is injected into the feeding slot through a connected valve. The solid phase and liquid phase integrated methane fermenting device has a simple structure, is convenient to operate and can be operated continuously; the shells can be broken automatically by utilizing lifting of liquid level, the solid phase and the liquid phase are fermented respectively, and degradation is performed completely; the fermenting raw materials, the methane slag and the methane liquid can realize double phase separation without power; and the methane liquid is recycled, so that blowdown load can be reduced.

Description

Solid-liquid two-phase integrated methane fermentation device
Technical field
Key in herein technical field and describe paragraph.
Background technology
Key in herein technical field and describe paragraph.
Background technology
Traditional biogas production is solid-liquid mixed fermentation, in the fermentation gas process, stalk raw materials is by self buoyancy, floating assemble to form duricrust, and factor of created gase is descended, and also causing stopping up can not deslagging, for addressing the above problem, whipping appts need to be installed in fermentation vat, and the structural requirement that this is higher to sealing requirements causes manufacturing cost and running cost to improve.
Summary of the invention
Key in herein technical field and describe paragraph.The present invention relates to a kind of straw methane fermentation device, particularly a kind of solid-liquid two-phase integrated methane fermentation device.
Summary of the invention
The purpose of this invention is to provide a kind of solid-liquid two-phase integrated methane fermentation device, simple in structure, easy to operate, operation continuously; Utilize the liquid level lifting to realize automatic shell-breaking, the solid-liquid two-phase is fermented respectively, and degraded fully; The charging residue-discharge convenience; Fermentation raw material and natural pond slag, natural pond solid and liquid can realize that all unpowered two are separated; Natural pond liquid recycle reduces the blowdown load.
The invention provides following technical scheme: it comprises intake chute, whipping appts, slush pump, the fermentor tank with thermal insulation layer, air bag and intercepting basin, it is characterized in that: at the fermentor tank internal upper part, shower nozzle is set, shower nozzle is connected slush pump by filling tube with valve; Be solid phase fermentation zone and liquid phase fermentation zone by the solid phase base plate with separated by spaces in fermentor tank; Double-deck broken shell cutting arm is set in the solid phase fermentation zone; Natural pond liquid, biogas communicating pipe are set in fermentor tank; The tapping valve that solid-liquid two is separated is set on fermentor walls; The fermentor tank bottom is connected intercepting basin by pipeline with valve, and sieve plate is set in intercepting basin, and intercepting basin is connected intake chute by pipeline with valve.
Positively effect of the present invention: simple in structure, easy to operate, can move continuously; Utilize the liquid level lifting to realize automatic shell-breaking, the solid-liquid two-phase is fermented respectively, and degraded fully; The charging residue-discharge convenience; Fermentation raw material and natural pond slag, natural pond solid and liquid can realize that all unpowered two are separated; Natural pond liquid recycle reduces the blowdown load.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the two-layer broken shell cutting arm schematic diagram in up and down.
Component serial number explanation in figure: slush pump 1; Intake chute 2; Whipping appts 3; Valve 4,5; Filling tube 6; Shower nozzle 7; Air bag 8; Natural pond liquid, biogas communicating pipe 9; Broken shell cutting arm 10; Fermentor tank 11; Solid phase base plate 12; Tapping valve 13; Pressure controlled valve 14; Sieve plate 15; Intercepting basin 16; Wash water valve 17; Visor 18.
Embodiment
See Fig. 1, concrete structure is as follows: open intake chute 2 and intercepting basin 16 are set, whipping appts 3 and slush pump 1 are set in intake chute 2.Column type fermentor tank 11 upper ends with thermal insulation layer arrange gas storage air bag 8, at fermentor tank 11 internal upper parts, shower nozzle 7 are set, and shower nozzle 7 is connected with valve by filling tube 6 and is connected slush pump 1; Be the solid phase fermentation zone on top and the liquid phase fermentation zone of bottom by solid phase base plate 12 with separated by spaces in fermentor tank 11; Double-deck broken shell cutting arm 10 is set in the solid phase fermentation zone; See Fig. 2, double-deck broken shell cutting arm 10 cuts plate by " ten " font and consists of, and upper and lower layer broken shell cutting arm 10 dislocation 45 degree are installed.Natural pond liquid, biogas communicating pipe 9 be set fermentor tank 11 is interior; Communicating pipe 9 is vertically fixedly passed solid phase base plate 12, communicating pipe 9 upper end concordant with shower nozzle 7.The tapping valve 13 that visor 18 and solid-liquid two are separated is set on fermentor walls; Are connected with valve by pipeline and connect intercepting basin 16 in fermentor tank 11 bottoms, the interior sieve plate 15 that arranges of intercepting basin 16, intercepting basin 16 are connected with valve by pipeline and are connected intake chute 2.In the bottom of intercepting basin 16, wash water valve 17 is set.
Principle of work: the stalk pulverized and natural pond liquid are joined in intake chute 2, start whipping appts 3, the evenly rear slush pump 1 of opening to be mixed, open communicating valve 5, feed liquid enters into fermentor tank top via intake chute 2, filling tube 6 and shower nozzle 7, when liquid level exceeds natural pond liquid, biogas communicating pipe during 9 upper end, unnecessary feed liquid enters in the liquid phase fermentation zone of fermentation unit bottom by communicating pipe 9 overflow, stops charging and valve-off 5 this moment; After the standing solid-liquid layering of raw material, open tapping valve 13, close tapping valve 13 after liquid is imported to the fermentation unit bottom, the solid-liquid two-phase is fermented respectively, the biogas of solid phase fermentation directly enters air bag 8, and the biogas of liquid phase fermentation is by biogas, natural pond liquid communicating pipe 9 entering into air bag 8.Along with the lifting of input and output material solid phase fermentation zone liquid level realizes automatic stirring, broken shell and continuously ferments.
By visor 18 observation, when liquid phase fermentation zone liquid level higher than liquid level on Open valve 14 in limited time, liquid level is completed discharge No. one time lower than liquid level lower limit valve-off 14.The biogas residue and biogas liquid liquid of discharging is through sieve plate 15, the natural pond slag is blocked, (can pass through artificial or mechanical removal), the liquid diafiltration enters into intercepting basin 16, mud granule in the liquid percolate of natural pond is through gravity settling, form sludge blanket in sump bottom, can be by wash water valve 17 dischargings, clear liquid enters into intake chute 2 by valve 4.The circulation of a beginning new round also can be carried out feed supplement according to the degraded situation, until solid-state straw degradative.

Claims (1)

1. solid-liquid two-phase integrated methane fermentation device, it comprises intake chute, whipping appts, slush pump, the fermentor tank with thermal insulation layer, gas storage air bag and intercepting basin, it is characterized in that: whipping appts and slush pump are set in intake chute; Column type fermentor tank upper end with thermal insulation layer arranges the gas storage air bag, at the fermentor tank internal upper part, shower nozzle is set, and shower nozzle is connected slush pump by filling tube with communicating valve; Be the solid phase fermentation zone on top and the liquid phase fermentation zone of bottom by the solid phase base plate with separated by spaces in fermentor tank; Double-deck broken shell cutting arm is set in the solid phase fermentation zone; Double-deck broken shell cutting arm cuts plate by cruciform and consists of, and upper and lower layer broken shell cutting arm dislocation 45 degree are installed; Natural pond liquid, biogas communicating pipe are set in fermentor tank; Communicating pipe is vertically fixedly passed the solid phase base plate, communicating pipe the upper end concordant with shower nozzle; The tapping valve that visor and solid-liquid two are separated is set on fermentor walls; The fermentor tank bottom is connected intercepting basin by pipeline with valve, and sieve plate is set in intercepting basin, and intercepting basin is connected intake chute by pipeline with valve; Bottom at intercepting basin arranges wash water valve; During work, stalk and the natural pond liquid pulverized are joined in intake chute, start whipping appts, the evenly rear slush pump of opening to be mixed, open communicating valve, feed liquid enters into fermentor tank top via intake chute, filling tube and shower nozzle, when liquid level exceeds natural pond liquid, biogas communicating pipe during the upper end, unnecessary feed liquid enters in the liquid phase fermentation zone of fermentation unit bottom by the communicating pipe overflow, and stop charging and close communicating valve this moment; After the standing solid-liquid layering of raw material, open tapping valve, after being imported to the fermentation unit bottom, liquid closes tapping valve, and the solid-liquid two-phase is fermented respectively, and the biogas of solid phase fermentation directly enters air bag, and the biogas of liquid phase fermentation is by biogas, natural pond liquid communicating pipe entering into air bag; Along with the lifting of input and output material solid phase fermentation zone liquid level realizes automatic stirring, broken shell and continuously ferments.
CN201110123220XA 2011-05-13 2011-05-13 Solid phase and liquid phase integrated methane fermenting device Expired - Fee Related CN102212462B (en)

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CN102344943A (en) * 2011-10-17 2012-02-08 王琳 Method for combining sludge treatment and straw treatment to produce marsh gas
CN102649934B (en) * 2012-05-02 2013-07-03 南阳市绿野循环农业研究所 Ultra-large type straw methane tank
CN103865773A (en) * 2012-12-07 2014-06-18 朱永彪 Internally stirred enamel mixed membrane anaerobic jar
CN103243020A (en) * 2013-04-19 2013-08-14 广西壮族自治区林业科学研究院 Water pressure type clean water methane tank hulling method and device
CN104877896A (en) * 2015-05-25 2015-09-02 河北卓创新能源科技有限公司 Organic waste fermenting well-type integrated marsh gas generating equipment and technology thereof
CN105385571A (en) * 2015-11-15 2016-03-09 朱永彪 Anaerobic power generation and gas supply station with timber structure
CN105385573A (en) * 2015-11-15 2016-03-09 朱永彪 Anaerobic power generation and gas supply station with Vitex negundo woven and film lined structure
CN105385574A (en) * 2015-11-15 2016-03-09 朱永彪 Anaerobic power generation and gas supply station with wicker woven and film lined structure
CN105385578A (en) * 2015-11-15 2016-03-09 朱永彪 Anaerobic power generation and gas supply station with plastic structure
CN105385575A (en) * 2015-11-15 2016-03-09 朱永彪 Anaerobic power generation and gas supply station with enamel structure
CN108546631A (en) * 2018-04-11 2018-09-18 重庆工业职业技术学院 A kind of decomposition apparatus of biomaterial
CN113462555A (en) * 2021-08-06 2021-10-01 王静 Environment-friendly biological waste biogas fermentation device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342378B1 (en) * 1998-08-07 2002-01-29 The Regents Of The University Of California Biogasification of solid waste with an anaerobic-phased solids-digester system
CN101468867B (en) * 2007-12-28 2011-04-20 财团法人工业技术研究院 Sludge anaerobic digestion system
CN201288183Y (en) * 2008-09-10 2009-08-12 李砚飞 Novel methane fermentation device
CN201581074U (en) * 2009-08-21 2010-09-15 董保成 Integrated two-phase anaerobic fermentation device for straws
CN201648381U (en) * 2010-01-27 2010-11-24 刘明江 Anaerobic fermentation tank crushing device
CN202139227U (en) * 2011-05-13 2012-02-08 沈阳农业大学 Solid phase and liquid phase integrated methane fermentation device

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