CN102634444B - Methane production device without energy consumption suitable for cold region in winter - Google Patents

Methane production device without energy consumption suitable for cold region in winter Download PDF

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Publication number
CN102634444B
CN102634444B CN2012101347509A CN201210134750A CN102634444B CN 102634444 B CN102634444 B CN 102634444B CN 2012101347509 A CN2012101347509 A CN 2012101347509A CN 201210134750 A CN201210134750 A CN 201210134750A CN 102634444 B CN102634444 B CN 102634444B
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anaerobic reactor
reactor
hot water
water storage
storage tank
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Expired - Fee Related
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CN2012101347509A
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CN102634444A (en
Inventor
赵国明
矫云学
张重
张蕾蕾
符艳辉
袁存亮
裴海林
邢向欣
丁伟
王微
李爱芹
陈涛
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Jilin Academy of Agricultural Machinery
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Jilin Academy of Agricultural Machinery
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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
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • 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
    • 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
    • C12M45/00Means for pre-treatment of biological substances
    • C12M45/02Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
    • 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
    • C12M45/00Means for pre-treatment of biological substances
    • C12M45/20Heating; Cooling
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/59Biological synthesis; Biological purification

Abstract

The invention relates to a methane production device without energy consumption suitable for a cold region in winter and belongs to the field of environmental protection and renewable energy sources. A reactor is designed into a vacuum sandwich structure and can reduce heat loss; a heat storage water tank is arranged on the lower part of the reactor and has an effective energy storage function; a solar heat collecting pipe is arranged at the bottom of the reactor, heat is directly transferred without adopting pump circulation, and energy-saving and warming effect is good; an emergence electric heater is arranged in the water tank and can compensate warming in cloudy day; a single blade is spirally propelled into a stirrer, the driving is convenient and labor-saving and the stirring effect is good; and a turning hopper is driven by a steel rope to feed, so that the feeding is convenient. The whole set of device has a good effect of warming and keeping warm, has convenience in operation, consumes no additional energy source, is high in methane yield, and can ensure the normal use in the cold region in winter.

Description

A kind of cold district biogas production device that do not consume energy winter
Technical field
The invention belongs to environment protection and renewable energy source domain, particularly a kind of brand new anaerobic reactor and affiliated facility thereof.
Background technology
Biogas is that the fermentation by organism (feces of livestock and poultry, stalk, organic waste etc.) produces, it has obtained application as a kind of novel renewable energy source in the vast rural area of China, begin to take shape in many areas, and obtained the significant social economic benefit, it not only replaces having saved a large amount of traditional energies, and make a large amount of ight soil, rubbish etc. obtain the better conversion utilization, purified environment.Reasons such as yet the reactor that household biogas is commonly used is perfect inadequately owing to structure function at present, and technological method is backward, it is low that the household biogas reactor ubiquity that causes China to build factor of created gase, heats the problems such as big and poor effect that consume energy.The low major cause of factor of created gase is to increase insulation measure imperfection causes the low and inside reactor of leavening temperature not to be provided with whipping appts, general reactor is built in underground, the outside utilizes faggot to cover, what have build in the livestock and poultry house, the reactor cell body is not nearly all done insulation separately, reactor is subjected to extraneous thermal effect, when winter temperature is low, gas production rate sharply reduces, particularly at north cold area, nearly 4 months time in winter can not normally be moved basically, simultaneously, reactor greatly reduces the efficient of fermentation because not being provided with whipping appts; Heat the big and poor effect of power consumption and show that mainly heating generally needs to consume external energy, even the employing heliotechnics also because the heat collector position is higher than reactor, need could be imported the heat energy that produces in the reactor into by the pump circulation, need to consume external energy, and heat poor effect.For solving the technical problem that exists in present China production and use of marsh gas engineering, develop a kind of high insulating effect, the low biogas fermentation device of power consumption is very necessary.
Summary of the invention
The object of the present invention is to provide a kind of cold district biogas production device that do not consume energy winter, can enough take full advantage of sun power to heat for fermented feed liquid, and adopt the most effective temperature raising and maintaining technical measures, the energy of absorption is well maintained, reduce the calorific loss of fermentation raw material in the reactor to the greatest extent to greatest extent.
A kind of cold district biogas production device that do not consume energy winter, it is characterized in that: comprise feeding unit, opening for feed, agitator, anaerobic reactor, discharge gate, discharge pond, solar vacuum heat-collecting pipe, emergent electricradiator, support, hot water storage tank, described feeding unit is installed on the ground; Described opening for feed is welded in the top of anaerobic reactor, and its lower end extend into below the inner liquid level of anaerobic reactor; Described anaerobic reactor is rack-mount, hot water storage tank be installed on anaerobic reactor below, agitator is installed in the inside of anaerobic reactor; Described discharge gate is welded in the afterbody of anaerobic reactor tank body, and the discharge pond be positioned at discharge gate below; Described hot water storage tank inside is provided with emergent electricradiator, and the solar vacuum heat-collecting pipe of hot water storage tank below being positioned at it be connected and communicate, and is coated with above the solar vacuum heat-collecting pipe and can rolls up the tinted shade of putting.
Described feeding unit comprises hopper, steel wire tow line, track, power output, and described hopper is positioned at the track bottom near the position on ground, and hopper links to each other with opening for feed by track; Described steel wire tow line links to each other with power output.
Described agitator comprises sliding key shaft, manual rocking bar, blade, and described blade is fixed on the sliding key sleeve, and sliding key sleeve is connected by rolling bearing with sliding key shaft, and blade is driven slippage vertically when rotating by manual rocking bar.
The tank body shell of described anaerobic reactor is designed to inner bag and outer courage bilayer structure, the centre of two courages is evacuated, form vacuum interlayer, the internal surface of inner bag is brushed with thermal radiation resistant coating, outer courage adopts non-metallic material to make, the top of anaerobic reactor is equipped with escape pipe, and anaerobic reactor and hot water storage tank integral body is positioned at the inside of the outer insulation of tank body, and tank body is incubated outward and adopts thermal insulation material to make.
Described hot water storage tank inside is provided with temperature measurer, and hot water storage tank is equipped with water inlet pipe and high-order venting port, and high-order venting port is communicated with the liquid level instrument.
Beneficial effect: the present invention is provided with single blade vortex at inside reactor and advances agitator, drives lightly, and can drive agitating vane by manual rocking bar and advance while rotating, thus the abundant mixing stirring of realization fermented feed liquid.During winter operation, system utilizes the energy of solar absorption to be enough to compensate it at the energy that scatter and disappear night daytime, makes system under the situation that does not consume any external energy, can guarantee normal fermentation gas.Its advantage is to increase high insulating effect, does not consume external energy, and the factor of created gase height can guarantee that cold district normally uses winter.
The present invention adopts the charging of steel wire tow line traction Turnover bunker, and charging is convenient, easy, reliable trouble free.Reactor design becomes inside and outside courage bilayer structure, and the centre is evacuated, and prevents that effectively heat outwards scatters and disappears with convection type; The inner bag internal surface scribbles the heat release radiation paint, effectively reduces heat and outwards scatters and disappears with forms of radiation; Outer courage adopts non-metallic material to make, and the reactor outside is coated with heat-insulating material, can outwards scatter and disappear with conductive form by fine solution heat.Reactor lower part is provided with hot water storage tank, and water tank directly is communicated with the solar energy heat collection pipe of bottom, utilizes sun power to make water heating in the water tank, and heat feed liquid transmission in the reactor constantly simultaneously realizes that feed liquid heats.The benefit that solar energy heat collection pipe and hot water storage tank are arranged on the reactor below is just heat can be delivered in the reactor of top by the pump circulation, and can prevent that with water medium indirect transfer energy thermal-collecting tube from stopping up.Simultaneously, the water in the water tank can play good accumulation of energy effect again, can prevent that the feed liquid nocturnal temperature from descending suddenly, keeps the temperature of normal fermentation gas.Also be provided with emergent electric heater in the water tank, normal circumstances need not enabled, and only enables when continuous cloudy day, scatters and disappears in order to the heat that compensates fermented feed liquid.Be coated with above the solar energy heat collection pipe and can roll up the tinted shade of putting, can regulate and control the temperature of feed liquid in the reactor.Adopt single blade drag reduction to stir, driving moment is little, hand getting final product, and the reactive force by feed liquid promotes blade vertically to front slide simultaneously, can realize that the mixing of feed liquid in the whole reactor is stirred, thereby improve the fermentation gas rate.Reactor is in a high position, is convenient to the smooth discharge of inner feed liquid.
The present invention can rely on sun power that fermented feed liquid is effectively heated in a word, and rely on multiple effective insulation measure to guarantee the leavening temperature that produce winter, add the structure design of elevated tank and single blade drag reduction agitator, ensure jointly its under the normal low temp condition steady running and do not consume external energy.
The present invention has following obvious social:
(1) after human and animal excreta drops into the methane-generating pit fermentation, can reduce the pollution of farm manure stack retting to environment, can kill colonizing in the bacillary pathogeny of human and animal excreta, viral pathogeny, parasitics pathogeny and mosquitos and flies worm's ovum effectively again, reduce disease propagation and take place, improve sanitary condition and the living environment of peasant household.
(2) enlarge fuel source, do not become fuel and be used originally not making human and animal excreta that fuel uses and other life waste materials, turn waste into wealth save energy.
(3) by using biogas, numerous peasant womans are freed from traditional cooking mode that smoke fire burns, both the labor savings resource reduced pathophoresis again.
(4) increase organic fertilizer, promote non-polluted farm product production, can provide a large amount of non-polluted farm products to society.
Description of drawings
The present invention will be further described below in conjunction with description of drawings and embodiment.
Fig. 1 is one-piece construction synoptic diagram of the present invention.
Fig. 2 is feeding unit structural representation of the present invention.
Fig. 3 is the sectional view of reactor tank body.
Fig. 4 is the structural representation of agitator.
1-feeding unit among the figure, 2-opening for feed, 3-agitator, 4-anaerobic reactor, 5-discharge gate, 6-discharge pond, 7-ground, 8-solar vacuum heat-collecting pipe, the emergent electricradiator of 9-, 10-support, 11-hot water storage tank, 12-temperature measurer, 13-liquid level instrument, 14-vacuum interlayer, 15-escape pipe, 16-tank body are incubated outward, 17-water inlet pipe, 18-hopper, 19-steel wire tow line, 20-track, the output of 21-power, 22-sliding key shaft, the manual rocking bar of 23-, 24-blade.
Embodiment
As shown in the figure, this cold district do not consume energy winter the biogas production device mainly by feeding unit 1, anaerobic reactor 4, hot water storage tank 11, solar vacuum heat-collecting pipe 8, agitator 3, tank body be incubated 16 outward, discharge system constitutes.Elder generation puts down the tinted shade of solar vacuum heat-collecting pipe 8 before the operation, to reduce its temperature, when solar vacuum heat-collecting pipe 8 temperature are down to below 40 ℃, again to hot water storage tank 11 interior water fillings, in case the too high chance cold water of solar vacuum heat-collecting pipe 8 temperature bursts, observe till hot water storage tank 11 topped up with water by liquid level instrument 13.The stalk that ight soil and hand hay cutter are cut mixes, by C/N be 25: 1 the batching, add a spot of water, cover with plastic film, stack retting 3~5 days, begin charging then, during by feeding unit 1 charging, each material loading all will be spilled into a spot of water in advance in hopper 18, the fermentation raw material of packing in the hopper 18 then, drawing the material that will ferment by steel wire tow line 19 sends in the anaerobic reactor 4 smoothly, the sizing phenomenon can not take place, according to the volume of reactor, calculate general inlet amount, by the inlet amount charging of budgetary estimate and in anaerobic reactor 4, add water, adjust feed concentration more than 6%, winter concentration slightly up to 10%~12%, and liquid level will not have opening for feed 2 lower end 200mm, reach the purpose of sealed reactor, during initial start-up, add 30% inoculum, and monitor temperature and potential of hydrogen are wanted the time in operation, and regulating and controlling temperature is in 25~30 ℃ of scopes, and pH value is in 6.8~7.4 scopes.After the normal operation, utilize every day agitator 3 to stir feed liquid twice, the each stirring 5 minutes, the biogas that produces offers the user and does the life fuel use, every first quarter moon upgrades the one time fermentation raw material, utilizes gravity to discharge 30% of fermented feed liquid by starting discharge system, and recycling feeding unit 1 replenishes the virgin material of equivalent, feed liquid general waterpower residence time in anaerobic reactor 4 is 45 days, the fertile agriculture production that is used for peasant household in the natural pond of discharge.

Claims (3)

1. cold district biogas production device that do not consume energy winter, it is characterized in that: comprise feeding unit (1), opening for feed (2), agitator (3), anaerobic reactor (4), discharge gate (5), discharge pond (6), solar vacuum heat-collecting pipe (8), emergent electricradiator (9), support (10), hot water storage tank (11), described feeding unit (1) is installed on the ground (7); Described opening for feed (2) is welded in the top of anaerobic reactor (4), and its lower end extend into below the inner liquid level of anaerobic reactor (4); Described anaerobic reactor (4) is installed on the support (10), hot water storage tank (11) be installed on anaerobic reactor (4) below, agitator (3) is installed in the inside of anaerobic reactor (4); Described discharge gate (5) is welded in the afterbody of anaerobic reactor (4) tank body, and discharge pond (6) be positioned at discharge gate (5) below; Described hot water storage tank (11) inside is provided with emergent electricradiator (9), and the solar vacuum heat-collecting pipe (8) of hot water storage tank (11) below being positioned at it be connected and communicate, and is coated with above the solar vacuum heat-collecting pipe (8) and can rolls up the tinted shade of putting;
Described agitator (3) comprises sliding key shaft (22), manual rocking bar (23), blade (24), described blade (24) is fixed on the sliding key sleeve, sliding key sleeve is connected by rolling bearing with sliding key shaft (22), and blade (24) is driven by manual rocking bar (23), slippage vertically when rotating;
The tank body shell of described anaerobic reactor (4) is designed to inner bag and outer courage bilayer structure, the centre of two courages is evacuated, form vacuum interlayer (14), the internal surface of inner bag is brushed with thermal radiation resistant coating, outer courage adopts non-metallic material to make, the top of anaerobic reactor (4) is equipped with escape pipe (15), and anaerobic reactor (4) and hot water storage tank (11) integral body is positioned at the inside that tank body is incubated (16) outward, and tank body is incubated (16) outward and adopts thermal insulation material to make.
2. a kind of cold district according to claim 1 biogas production device that do not consume energy winter, it is characterized in that: described feeding unit (1) comprises hopper (18), steel wire tow line (19), track (20), power output (21), described hopper (18) is positioned at track (20) bottom near the position on ground (7), and hopper (18) links to each other with opening for feed (2) by track (20); Described steel wire tow line (19) links to each other with power output (21).
3. a kind of cold district according to claim 1 biogas production device that do not consume energy winter, it is characterized in that: described hot water storage tank (11) inside is provided with temperature measurer (12), and hot water storage tank (11) is equipped with water inlet pipe (17) and high-order venting port, and high-order venting port is communicated with liquid level instrument (13).
CN2012101347509A 2012-05-03 2012-05-03 Methane production device without energy consumption suitable for cold region in winter Expired - Fee Related CN102634444B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105838586A (en) * 2016-03-09 2016-08-10 赵洪发 Solar-heating biogas generator
CN109971612B (en) * 2019-04-03 2023-06-23 方旭华 Pressing and pushing door linkage feeding power device
CN113149738A (en) * 2021-05-07 2021-07-23 碧奥兰园艺科技(苏州)有限公司 Self-heating type compost box with stirring structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201896116U (en) * 2010-12-10 2011-07-13 河南农业大学 Solar auxiliary heating type methane manufacturing device
CN202011875U (en) * 2011-03-25 2011-10-19 郝运伍 Material heating controller for producing marsh gas through solar energy
CN102242058A (en) * 2011-04-25 2011-11-16 北京愿景宏能源环保科技发展有限公司 Anaerobic fermentation system
CN202576413U (en) * 2012-06-04 2012-12-05 吉林省农业机械研究院 Methane production device without energy consumption used in cold region in winter

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Publication number Priority date Publication date Assignee Title
CN200943087Y (en) * 2006-09-15 2007-09-05 王玉海 Marsh gas tank agitating device
CN201883090U (en) * 2010-11-24 2011-06-29 杨振三 Biogas liquid agitator
CN202054831U (en) * 2011-03-04 2011-11-30 泽尔曼生物能源技术(北京)有限公司 Stirring system for marsh-gas generating equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201896116U (en) * 2010-12-10 2011-07-13 河南农业大学 Solar auxiliary heating type methane manufacturing device
CN202011875U (en) * 2011-03-25 2011-10-19 郝运伍 Material heating controller for producing marsh gas through solar energy
CN102242058A (en) * 2011-04-25 2011-11-16 北京愿景宏能源环保科技发展有限公司 Anaerobic fermentation system
CN202576413U (en) * 2012-06-04 2012-12-05 吉林省农业机械研究院 Methane production device without energy consumption used in cold region in winter

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