CN203613189U - Multiple material anaerobic dry fermentation system using straw as main raw material - Google Patents
Multiple material anaerobic dry fermentation system using straw as main raw material Download PDFInfo
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- CN203613189U CN203613189U CN201320716132.5U CN201320716132U CN203613189U CN 203613189 U CN203613189 U CN 203613189U CN 201320716132 U CN201320716132 U CN 201320716132U CN 203613189 U CN203613189 U CN 203613189U
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- fermentation
- storehouse
- stalk
- anaerobic dry
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- 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
Abstract
The utility model relates to a multiple material anaerobic dry fermentation system using straw as main raw material. The multiple material anaerobic dry fermentation system comprises a straw pretreatment integrated device, a fermentation pool, a regulating reservoir, a desulphurization tank, a dehydration tank and a gas storage film, wherein the straw pretreatment integrated device comprises a smashing component and a mixing component, which are mutually connected; the straw pretreatment integrated device is connected with the fermentation pool through a grid conveying belt, the regulating reservoir is communicated with the fermentation pool through a first pipeline provided with a pump, an elastic film is arranged at the top of the fermentation pool, and a leachate storage pool is arranged at the bottom of the fermentation pool; a spray device is arranged in the fermentation pool, the inlet of the spray device is arranged in the leachate storage pool, a gas outlet is formed in the fermentation pool, and the gas outlet is serially connected with the desulphurization tank, the dehydration tank and the gas storage film in sequence through a second pipeline.
Description
Technical field
The utility model relates to a kind of take stalk as main multi-element material anaerobic dry fermentation system, belongs to biomass energy technology field.
Background technology
The a large amount of solid waste of the annual generation of China at present, wherein about more than 40 hundred million tons of annual agricultural solid residue quantum of output, it mainly comprises 3,000,000,000 tons of feces of livestock and poultry, 7.0 hundred million tons of agricultural crop straws, hundred million tons of vegetable castoff 1-1.5,2.5 hundred million tons of small towns domestic refuse and human faecal mass.The quantity discharged of annual municipal wastes is 1.4 hundred million tons, Municipal Solid Waste in China per capita generation is 0.44 ton, annual growth is 8%-10%, along with the raising of expanding economy and living standards of the people, existing solid waste treating technology can not meet the requirement of innoxious a large amount of processing agricultural solid residues, cause most solid waste not dealt carefully with, both wasted biomass resource, also caused serious environmental pollution.How adopting appropriate technological line and scheme, utilize on a large scale and transform solid organic castoff resource with modern agriculture engineering means, turn waste into wealth, is one of current problem in the urgent need to address of China.
Utility model content
The technical problems to be solved in the utility model is: propose a kind of system that can use stalk and feces of livestock and poultry to produce biogas for main raw material.
The utility model is that the technical scheme that solves the problems of the technologies described above proposition is: a kind of take stalk as main multi-element material anaerobic dry fermentation system, comprise stalk pre-treatment integrated device, fermentation storehouse, equalizing tank, digester, water knockout and gas storage film; Described stalk pre-treatment integrated device is made up of interconnective crushing part and group mixed parts; Between described stalk pre-treatment integrated device and described fermentation storehouse, be connected by lattice conveyer; Described equalizing tank is communicated with described fermentation storehouse by the first pipeline that is provided with pump; The top in described fermentation storehouse is provided with elastica, and bottom is provided with percolate storage pool; Described fermentation is provided with spray equipment in storehouse, and the import of described spray equipment is located in described percolate storage pool; Described fermentation storehouse is provided with air outlet; Described air outlet is by second pipe connect successively digester, water knockout and gas storage film.
The utility model further improves and is:
1, in described percolate storage pool, be provided with heating coil, described heating coil is connected with heating boiler.
2, described body of wall bottom is provided with biogas residue and biogas liquid thief hole.
3, the air outlet place in described fermentation storehouse is provided with gas meter and gas acquisition port.
The beneficial effect that the utility model brings is: in the preprocessing process that uses stalk and feces of livestock and poultry mixed fermentation take stalk as main multi-element material anaerobic dry fermentation system of the present utility model, adopt physical-chemical-bio combined pre-treatment, can solve preservation and the digestive problems of organic solid castoff, can improve follow-up factor of created gase simultaneously.In fermentation preprocessing process, directly enter preprocessor after crushed stalk, realize stalk fragmentation, soak, the effect of mixing of materials, preprocessor plays dedusting, regulates the effect of water ratio, medicament even processing simultaneously.Adopt lattice conveyer power feed, solve the problem of conventional dry fermentation charging difficulty, draining is carried out in charging simultaneously, can greatly raise labour efficiency.After discharging, natural pond slag can be used for doing fertilizer or matrix.In dry fermenting process, only produce a small amount of natural pond liquid, the spray that refluxes on the one hand, promotes mass transfer, heat transfer, prevents organic acid accumulation, on the other hand a large amount of natural ponds of nothing liquid emission problem after fermentation ends.In system, design increases attemperator, can utilize marsh gas power generation waste heat and other energy to carry out thermal-arrest to recirculated water and heat, and controls anaerobically fermenting temperature, can be within the lower time period of temperature the aerogenesis of stability and high efficiency.Flexible teleblem dry fermentation device in fermentation system does not need to establish whipping appts and input and output material pipeline, and the stability of system is high on the one hand, and in technique, some wooden units, sandstone do not need to spend manpower on the other hand, equipment detects before fermentation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the utility model example structure schematic diagram.
Number in the figure is schematically as follows: 1-stalk pre-treatment integrated device, 2-equalizing tank, the 3-storehouse of fermenting, 4-elastica, 5-biogas residue and biogas liquid thief hole, 6-percolate groove, 7-percolate storage pool, 8-spray equipment, 9-the second pump, 10-heating coil, 11-heating boiler, 12-gas meter, 13-gas collecting mouth, 14-digester, 15-water knockout, 16-gas storage film.
Embodiment
Embodiment mono-
The multi-element material anaerobic dry fermentation system take stalk as master of the present embodiment as shown in Figure 1, comprises stalk pre-treatment integrated device 1, fermentation storehouse 3, equalizing tank 2, digester 14, water knockout 15 and gas storage film 16; Stalk pre-treatment integrated device 1 is made up of interconnective crushing part and group mixed parts; Between stalk pre-treatment integrated device 1 and fermentation storehouse 3, be connected by lattice conveyer; Equalizing tank 2 is communicated with fermentation storehouse 3 by the first pipeline that is provided with the first pump; The top in fermentation storehouse 3 is provided with elastica 4, and bottom is provided with percolate storage pool 7; Fermentation is provided with spray equipment 8 in storehouse 3, and the import of spray equipment 8 is located in percolate storage pool 7; Fermentation storehouse 3 is provided with air outlet; Air outlet is by second pipe connect successively digester 14, water knockout 15 and gas storage film 16.In percolate storage pool, 7 are provided with heating coil 10, and heating coil 10 is connected with heating boiler 11.
Fermentation storehouse 3 is provided with the convenient sampling of biogas residue and biogas liquid thief hole 5 and detects; Air outlet place is provided with gas meter 12 and gas acquisition port 13.
When work, stalk pre-treatment integrated device 1 crushing part is by crushed stalk 5-20CM left and right, directly drop into be equipped with in the liquid of dialling mixed parts and regulate water ratio, C/N ratio, microbial inoculum processing, the direct charging from top, fermentation storehouse by lattice conveyer after processing, in this process, grid has draining function.Crushing part power is 15kw, and dialling mixed component speed is 15-20 rev/min.Microbial inoculum is 0.1-0.2% stalk rotting agent; C/N uses urea than regulating, and carbon-nitrogen ratio is at 20-30:1, and PH average is 6.5-7.5.
Equalizing tank 2 Main Functions are to play homogeneous and all effects of amount; Its inside is provided with agitator.Take out while acting on charging fresh feces of livestock and poultry is uniformly mixed by being located at the pump of the first pump on the first pipeline, control inlet amount; Also can regulate and control fermenting process by dosing, regulate the pH value of material, COD etc., improve gas production rate.
Material is closed Ku Men after entering fermentation storehouse 3, adds natural pond liquid inoculation (20 ℃ of left and right of temperature), regulates in mixture between water content 65%-80%.Overlay film, fermentation storehouse 3 top water seals, the resistance to air loss of check system.The percolate producing in fermenting process is stored in percolate storage pool 7 by the percolate groove 3 of fermentation 3 bottoms, storehouse, then by spray equipment 8, adopts the mode that percolate refluxes to carry out drip washing to adjusting material, makes its inoculation evenly, strengthens mass transfer.
It is between 25-35 ℃ that dry fermentation keeps temperature, when temperature is lower, can maintain leavening temperature in storehouse by ON cycle water heating boiler 11.In anaerobic dry fermentation process, can pass through gas collecting mouth 13 and biogas residue and biogas liquid thief hole 5 respectively to biogas, natural pond liquid sample sampling analysis.In fermenting process, open spray equipment 8 to the natural pond liquid spray that refluxes first 5 day every day, morning and afternoon respectively once, each 30min.Five days afterwards according to the daily output tolerance situation spray that refluxes, raising factor of created gase.
The biogas producing carries out after desulfurization, processed through digester 14, water knockout 15, delivers to gas storage film 16 and stores.Carry out easily gas production rate observation by gas meter 12.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1. take stalk as a main multi-element material anaerobic dry fermentation system, it is characterized in that: comprise stalk pre-treatment integrated device, fermentation storehouse, equalizing tank, digester, water knockout and gas storage film; Described stalk pre-treatment integrated device is made up of interconnective crushing part and group mixed parts; Between described stalk pre-treatment integrated device and described fermentation storehouse, be connected by lattice conveyer; Described equalizing tank is communicated with described fermentation storehouse by the first pipeline that is provided with pump; The top in described fermentation storehouse is provided with elastica, and the bottom in described fermentation storehouse is provided with percolate storage pool; Described fermentation is provided with spray equipment in storehouse, and the import of described spray equipment is located in described percolate storage pool; Described fermentation storehouse is provided with air outlet; Described air outlet is by second pipe connect successively digester, water knockout and gas storage film.
2. according to claim 1 take stalk as main multi-element material anaerobic dry fermentation system, it is characterized in that: in described percolate storage pool, be provided with heating coil, described heating coil is connected with heating boiler.
3. according to claim 2 take stalk as main multi-element material anaerobic dry fermentation system, it is characterized in that: described fermentation storehouse is provided with biogas residue and biogas liquid thief hole.
4. according to claim 3 take stalk as main multi-element material anaerobic dry fermentation system, it is characterized in that: the air outlet place in described fermentation storehouse is provided with gas meter and gas acquisition port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320716132.5U CN203613189U (en) | 2013-11-14 | 2013-11-14 | Multiple material anaerobic dry fermentation system using straw as main raw material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320716132.5U CN203613189U (en) | 2013-11-14 | 2013-11-14 | Multiple material anaerobic dry fermentation system using straw as main raw material |
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| CN203613189U true CN203613189U (en) | 2014-05-28 |
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| CN201320716132.5U Expired - Fee Related CN203613189U (en) | 2013-11-14 | 2013-11-14 | Multiple material anaerobic dry fermentation system using straw as main raw material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293656A (en) * | 2014-09-12 | 2015-01-21 | 农业部南京农业机械化研究所 | Anaerobic dry-process fermentation continuous automatic charging and discharging system and usage method thereof |
| CN105755056A (en) * | 2016-04-29 | 2016-07-13 | 农业部南京农业机械化研究所 | Method for generating methane jointly through bundled straw and livestock and poultry manure |
| CN106190815A (en) * | 2016-07-12 | 2016-12-07 | 河南省图天新能源科技有限公司 | A kind of anaerobic fermentation tank and the application in the highly concentrated solid anaerobic digestion of straw produces biological fuel gas thereof |
| CN110511858A (en) * | 2019-09-26 | 2019-11-29 | 农业农村部规划设计研究院 | Batch-type anaerobic dry fermentation integration apparatus |
-
2013
- 2013-11-14 CN CN201320716132.5U patent/CN203613189U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293656A (en) * | 2014-09-12 | 2015-01-21 | 农业部南京农业机械化研究所 | Anaerobic dry-process fermentation continuous automatic charging and discharging system and usage method thereof |
| CN105755056A (en) * | 2016-04-29 | 2016-07-13 | 农业部南京农业机械化研究所 | Method for generating methane jointly through bundled straw and livestock and poultry manure |
| CN105755056B (en) * | 2016-04-29 | 2020-02-18 | 农业部南京农业机械化研究所 | Method for producing biogas by combining bundled straws and livestock and poultry manure |
| CN106190815A (en) * | 2016-07-12 | 2016-12-07 | 河南省图天新能源科技有限公司 | A kind of anaerobic fermentation tank and the application in the highly concentrated solid anaerobic digestion of straw produces biological fuel gas thereof |
| CN110511858A (en) * | 2019-09-26 | 2019-11-29 | 农业农村部规划设计研究院 | Batch-type anaerobic dry fermentation integration apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |