CN201254572Y - Large-scale dry method marsh gas preparation system at cold location - Google Patents
Large-scale dry method marsh gas preparation system at cold location Download PDFInfo
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- CN201254572Y CN201254572Y CNU2008200724022U CN200820072402U CN201254572Y CN 201254572 Y CN201254572 Y CN 201254572Y CN U2008200724022 U CNU2008200724022 U CN U2008200724022U CN 200820072402 U CN200820072402 U CN 200820072402U CN 201254572 Y CN201254572 Y CN 201254572Y
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Abstract
The utility model relates to a dry-process marsh gas preparation system in cold areas on a scale, belonging to the field of environmental protection and renewable energy resources; the dry-process marsh gas preparation system is mainly composed of a marsh gas fermentation tank, a double-layer film sunlight greenhouse (8), a marsh gas boiler (1), a hot air return pipe (5), a solar energy heat-collecting device (4) and a stirring vehicle (11). The dry-process marsh gas preparation system can well solve problems that: a dry-process marsh gas fermentation device is difficult to charge and discharge, the fermentation raw materials transfer heat and mass non-uniformly, the temperature for the over-winter production of marsh gas fermentation cannot be ensured, and the like, thus realizing that marsh gas can be normally produced all the year round.
Description
Technical field
The utility model belongs to environment protection and renewable energy source domain, particularly a kind of biogas dry-process anaerobic fermentation device and system about cultural solid organic waste harmless treatments such as cold district livestock and poultry farms in scale ight soil and agricultural crop straws.
Background technology
China is a large agricultural country, and the waste that produces in the agriculture production is of a great variety, enormous amount, but have only sub-fraction wherein to be utilized effectively, agricultural resource is very serious by the situation of havoc and waste.These wastes are precious resources, are again the severe contamination sources, if enter environment without dealing carefully with, will cause environmental pollution, natural, ecological to worsen.Fully effectively utilize agricultural wastes, not only to rationally utilizing agriculture production and living resources, reduce environmental pollution, improving the rural ecological environment and have crucial meaning, and under the situation exhausted day by day at world energy sources, that the occupancy volume per person day by day reduces, agricultural solid residue is as a kind of energy, the research of its comprehensive utilization and resource utilization aspect thereof also will produce great effect to human existence.Therefore, the harmless treatment of agricultural wastes and recycling problem just become an important topic in current agricultural and the rural area sustainable development.
Utilize existing solid waste aerobic compost technology, can make the part agricultural solid residue be converted into organic fertilizer.But traditional fertilizer collection makes, utilizes mode can not adapt to the needs of modern agricultural development.Utilize existing wet method biogas anaerobic fermentation technical finesse high concentrated, solid organic waste, need to add a large amount of water, therefore, winter, power consumption was big, and processing efficiency is low, operation and aftertreatment cost height.How adopting appropriate technological line and scheme, utilize and transform cultural solid organic waste resource on a large scale with modern agriculture engineering means, turn waste into wealth, is one of current problem that presses for solution of China.
The dry method anaerobically fermenting does not need to add dilution water in material, by the anaerobic ferment process of using new-type bioreactor and matching with it, can increase gas production rate, improve operating load, simplify postprocessing working procedures, under the condition that reduces production costs, obtain fine biogas energy and fine natural pond fertilizer, and can not produce secondary pollution environment.Can be widely used in the processing of agricultural solid residues such as feces of livestock and poultry, agricultural crop straw, food-processing waste, fermentation industry processing waste and domestic refuse.Can predict the dry method anaerobically fermenting will play an important role in the construction of China's ecology homestead and new socialist countryside, and promote greatly developing of China's marsh gas power generation and biomass industry, expand biomass energy technical field of new generation, in the construction of Recycling Economy Construction, cleaner production and the harmonious society of China, play a significant role.
Summary of the invention
Technical problem to be solved in the utility model is: at dry method biogas fermentation device input and output material difficulty in the prior art, the fermentation raw material heat and mass is inhomogeneous, the problems such as temperature guarantee that biogas fermentation is survived the winter and produced.Provide the mass-producing dry method biogas of cultural solid organic wastes such as a kind of harmless treatment livestock and poultry cultivation ight soil that is suitable for north cold area and agricultural crop straw to produce system.
The utility model is design like this:
A kind of cold district mass-producing dry method biogas is produced system, it is characterized in that: mainly be made of biogas fermentation groove, duplicature heliogreenhouse, methane boiler, hot air reflow pipe, solar energy heat collector, transport mixer; Described biogas fermentation groove comprises cell body, rubber sealing film, the gentle pipe that rises of press mold screen frame, and wherein rubber sealing film is covered in cell body end face and side open-mouth, and the press mold screen frame is housed above the rubber sealing film; The outer setting of described biogas fermentation groove has the duplicature heliogreenhouse, and the bottom is provided with heating tube, and heating tube is connected with solar energy heat collector with methane boiler respectively; Described biogas fermentation groove top is provided with the hot air reflow pipe near duplicature heliogreenhouse top; The cell body of described biogas fermentation groove is provided with transport mixer; The cell body of described biogas fermentation groove is provided with closed C type groove, is pressed into the gentle pipe that rises of rubber sealing film in the C type groove; The cell body both walls of described biogas fermentation groove is provided with guide rail, is provided with rail relayer before the fermenter; Cell body one side of described biogas fermentation groove is provided with escape pipe; The cell body of described biogas fermentation groove adopts the shape of three enclosure wall recording quantity, and an end face and a side are opened wide.
The invention has the beneficial effects as follows: adopt the cold district mass-producing dry method biogas of above-mentioned design to produce system; the cell body of biogas fermentation groove adopts the shape of three enclosure wall recording quantity; an end face and a side are opened wide; motor vehicle and transport mixer can enter, and input and output material is with to mix fermentation raw material convenient especially.The cell body both walls of biogas fermentation groove is provided with guide rail, and transport mixer can be walked on guide rail, mixes fermentation raw material, thereby solves the uneven problem of fermentation raw material heat and mass.The biogas fermentation groove improves the temperature of biogas fermentation raw material by the heating of duplicature heliogreenhouse, methane boiler, solar energy heat collector thermal-arrest and the acting in conjunction of warm air forced ventilation, can guarantee cold district ordinary production in winter biogas well.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is a structural representation of the present utility model
Among Fig. 1: 1. methane boiler, 2.C type groove, 3. rise pipe, 4. solar energy heat collector, 5. hot air reflow pipe of gas, 6. press mold screen frame, 7. rubber sealing film, 8. duplicature heliogreenhouse, 9. rail relayer, 10. guide rail, 11. transport mixer, 12. cell bodies, 13. heating tubes, 14. escape pipes.
Embodiment
As shown in Figure 1; this cold district mass-producing dry method biogas is produced system and mainly is made of biogas fermentation groove, duplicature heliogreenhouse 8, methane boiler 1, hot air reflow pipe 5, solar energy heat collector 4, transport mixer 11, and wherein the biogas fermentation groove comprises cell body 12, rubber sealing film 7, the press mold screen frame 6 gentle pipes 3 that rise.With 80% of cubic capacity in the biogas fermentation groove is each inlet amount, fermentation raw material is pig manure and stalk, getting the fresh pig dung volume is 1/3 of each inlet amount, the dry straw hand hay cutter is cut into the stalk section of 10~15mm, volume is that 1/3 of each inlet amount is packed in the biogas fermentation groove, stir with transport mixer 11, carrying out oxygen consumption handled 7 days, stir every day 2 times, temperature can reach 65~70 ℃, adds 30% left and right sides inoculum then and stirs, and this moment, temperature was reduced to about 35 ℃, transport mixer 11 is fallen back on the rail relayer 9 along guide rail 10, and rail relayer 9 can be given each fermenter with transport mixer 11.Rubber sealing film 7 is covered the cell body open-mouth, and the gentle pipe 3 that rises of rubber sealing film 7 is pressed in the C type groove 2, press press mold screen frame 6, compress with fast compressing device, to rise pipe inflation of gas, make rubber sealing film 7 sealings cover cell body 12, carry out the dry method anaerobically fermenting and produce biogas, about about 30 days of this process.The outer setting of biogas fermentation groove has duplicature heliogreenhouse 8, and duplicature heliogreenhouse 8 can effectively absorb sun shortwave in the duplicature heliogreenhouse, improves the temperature in the greenhouse, and simultaneously, the air casing of duplicature has good insulation effect.The biogas fermentation trench bottom is provided with heating tube 13, and heating tube is connected with solar energy heat collector 4 with methane boiler 1 respectively, is used for improving the leavening temperature of fermentation raw material.Biogas fermentation groove top is provided with hot air reflow pipe 5 near duplicature heliogreenhouse 8 tops, and hot air reflow pipe 5 connects with blower fan, can improve the leavening temperature of fermentation raw material with canopy internal upper part spatial warm air forced ventilation to the fermenter bottom.The biogas fermentation groove improves the temperature of biogas fermentation raw material by duplicature heliogreenhouse 8, methane boiler 1, solar energy heat collector 4 and the acting in conjunction of warm air forced ventilation, guarantees cold district ordinary production in winter biogas.The biogas that produces in the biogas fermentation groove is extracted out by air compressor machine through escape pipe 14, becomes clean fuel through dehydration, desulfurization.Residue part behind the anaerobically fermenting is used for anaerobically fermenting as inoculum, and rest part becomes the high-quality green organic fertilizer by simple aerobic treatment, perhaps sells as chemical fertilizer through processing treatment.
Environmental benefit:
Utilization and extention biogas dry method anaerobic fermentation technology, can handle solids such as feces of livestock and poultry, agricultural crop straw and the municipal wastes organic waste that can ferment effectively, eliminate solids such as feces of livestock and poultry, agricultural crop straw and municipal wastes and can ferment organic waste surface water, underground water, air environmental pollution and microbial contamination, improve rural area and city environmental quality, environmental benefit is huge.
Economic benefit:
Cattle farm with 400 of year cowboying is an example, produces the about 1000t of bright cow dung per year, and needing to build a cover reaction volume is 330m
3Dry-process anaerobic fermentation device, year handle bright cow dung 1000t, can handle agricultural crop straw 200t simultaneously, year produce biogas 9.8 ten thousand m
3, the fertile 1080t in production natural pond.About 1,200,000 yuan of input cost.
(1) output benefit
1) according to processing requirement, each fermentation period is 40d, and wherein anaerobically fermenting is 30d, produces biogas: 1.1m per year
3/ (m
3D) * 330m
3* (360/40 * 30) d=9.8 ten thousand m
3, every cubic metre of biogas price is 1.2 yuan, benefit=1.2 * 9.8 ten thousand yuan=11.76 ten thousand yuan.
2) produce natural pond fertilizer 0.9 * (1000+200) t=1080t per year, the fertile price in natural pond per ton: 500 yuan, benefit=500 * 10,80/,100,000,000 yuan=540,000 yuan.
More than two add up to ten thousand yuan of income=11.76+54=65.76.
(2) running cost
1) cost that feeds intake: feed intake is cow dung and stalk, and the cow dung price is 50 yuan/t, and stalk price after processing is 200 yuan/t, ten thousand yuan=90,000 yuan of year cost that feeds intake=(50 * 1000/10000+200 * 200/10000).
2) electric cost: a year electric cost is about 10,000 yuan.
3) overhead charges: 10,000 yuan every year on average of daily administration labour costs.
4) upkeep cost: the maintenance cost here is meant servicing materials, part cost usefulness, 0.5 ten thousand yuan every year on average.
5) other expense: 20,000 yuan of transport charge and unexpected pays.
More than five add up to ten thousand yuan of cost=9+1+1+0.5+2=13.5.
(3) biogas engineering annual return=65.76-13.5=52.26 is ten thousand yuan.
Claims (5)
1, a kind of cold district mass-producing dry method biogas is produced system, it is characterized in that: mainly be made of biogas fermentation groove, duplicature heliogreenhouse (8), methane boiler (1), hot air reflow pipe (5), solar energy heat collector (4), transport mixer (11); Described biogas fermentation groove comprises cell body (12), rubber sealing film (7), the gentle pipe (3) that rises of press mold screen frame (6), and wherein rubber sealing film (7) is covered in cell body end face and side open-mouth, and press mold screen frame (6) is housed above the rubber sealing film; The outer setting of described biogas fermentation groove has duplicature heliogreenhouse (8), and the bottom is provided with heating tube (13), and heating tube is connected with solar energy heat collector (4) with methane boiler (1) respectively; Described biogas fermentation groove top is provided with hot air reflow pipe (5) near duplicature heliogreenhouse (7) top; The cell body of described biogas fermentation groove (12) is provided with transport mixer (11).
2, cold district mass-producing dry method biogas according to claim 1 is produced system, it is characterized in that: the cell body of described biogas fermentation groove (12) is provided with closed C type groove (2), is pressed into the gentle pipe that rises of rubber sealing film (7) in the C type groove.
3, cold district mass-producing dry method biogas according to claim 1 is produced system, and it is characterized in that: the cell body both walls of described biogas fermentation groove is provided with guide rail (10), is provided with rail relayer (9) before the fermenter.
4, cold district mass-producing dry method biogas according to claim 1 is produced system, it is characterized in that: cell body one side of described biogas fermentation groove is provided with escape pipe (14).
5, produce system according to claim 1,2,3 or 4 described cold district mass-producing dry method biogas, it is characterized in that: the cell body of described biogas fermentation groove (12) adopts the shape of three enclosure wall recording quantity, and an end face and a side are opened wide.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102162000A (en) * | 2010-12-10 | 2011-08-24 | 刘达苏 | Method and device for applying methane to industrial hating furnace |
CN103831284A (en) * | 2014-03-11 | 2014-06-04 | 湖州铁佛耐火材料有限公司 | Fermentation system |
-
2008
- 2008-09-08 CN CNU2008200724022U patent/CN201254572Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102162000A (en) * | 2010-12-10 | 2011-08-24 | 刘达苏 | Method and device for applying methane to industrial hating furnace |
CN103831284A (en) * | 2014-03-11 | 2014-06-04 | 湖州铁佛耐火材料有限公司 | Fermentation system |
CN103831284B (en) * | 2014-03-11 | 2015-10-21 | 湖州铁佛耐火材料有限公司 | A kind of fermentation system |
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