CN103361260A - Cow dung high-solid anaerobic digestion and pyrolysis treatment integrated system - Google Patents
Cow dung high-solid anaerobic digestion and pyrolysis treatment integrated system Download PDFInfo
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- CN103361260A CN103361260A CN2013102778802A CN201310277880A CN103361260A CN 103361260 A CN103361260 A CN 103361260A CN 2013102778802 A CN2013102778802 A CN 2013102778802A CN 201310277880 A CN201310277880 A CN 201310277880A CN 103361260 A CN103361260 A CN 103361260A
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- anaerobic digestion
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- cow dung
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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 invention relates to a cow dung high-solid anaerobic digestion and pyrolysis treatment integrated system. After cow dung passes through the high-solid anaerobic digestion system, generated biogas is collected through a biogas collecting system so as to be used as secondary energy; biogas residues generated through high-solid anaerobic digestion is removed in surface water after being subjected to mechanical dehydration treatment and generate dried biogas residues by passing through a dividing wall drying system, and the dried biogas residues enter a pyrolysis device; the dried biogas residues are pyrolyzed into pyrolyzed residue derived fuel after passing through the pyrolysis device, and the pyrolyzed residue derived fuel enters a boiler to be burnt for reutilization; generated burnt residues are landfilled; heat released through burning is used for the dividing wall drying system; a tail gas generated through drying passes through a condensing system and then enters a tail gas treatment system; generated condensed water enters the high-solid anaerobic digestion system through a condensed water reflux system. The cow dung high-solid anaerobic digestion and pyrolysis treatment integrated system disclosed by the invention carries out decrement and resource circulating treatment on the cow dung by taking the high-solid anaerobic digestion system and the pyrolysis device as main parts and has the characteristics of high efficiency, energy conservation, low consumption and environmental friendliness.
Description
Technical field: the present invention relates to a kind of refuse disposal system, particularly a kind of cow dung high solid anaerobic digestion pyrolysis processing integrated system belongs to the environmental technology field.
Background technology: in recent years, the fast development of livestock industry has brought the problem of its waste serious environment pollution, adopts high solid anaerobic digestion Biogas method to process feces of livestock and poultry and not only reduces it to the pollution of environment, and can obtain bioenergy--biogas.But because mainly contain stalk and straw etc. in the cow dung take Mierocrystalline cellulose, xylogen as the main degradable chemical that is difficult for, it is not thorough that cow dung is carried out the anaerobic digestion reaction, be rich in the organic matter of difficult degradation in the natural pond slag of output, have very high calorific value such as Mierocrystalline cellulose, xylogen etc.Therefore, prevent the diffusion of cow dung from the source, reduce it to the pollution of environment, realize that refuse energy and recycling are cardinal tasks that needs to be resolved hurrily.
Summary of the invention: for above-mentioned the deficiencies in the prior art, the invention provides the cow dung high solid anaerobic digestion pyrolysis processing integrated system of a kind of efficient, energy-conservation, low consumption, environmental protection.
For achieving the above object, the technical solution used in the present invention is: cow dung high solid anaerobic digestion pyrolysis processing integrated system, comprise: high solid anaerobic digestion device, sludge gas collecting device, mechanical dehydration system, the partition dehumidification system, the dried tail gas system, condenser system, exhaust treatment system, the condensate return system, pyrolysis installation and boiler.The high solid anaerobic digestion device connects mechanical dewatering system, partition dehumidification system, pyrolysis installation and boiler successively.The partition dehumidification system is connected with condenser system, boiler.Condenser system is connected with the high solid anaerobic digestion device.
Preferably, the high solid anaerobic digestion device is connected with sludge gas collecting device.
Preferably, the partition dehumidification system is connected with condenser system by the dried tail gas system.
Preferably, condenser system is connected with exhaust treatment system.
The design of the present invention is take high solid anaerobic digestion system and pyrolysis installation as main body, to cow dung carry out minimizing, resource recycling is processed, and has the characteristics of efficient, energy-conservation, low consumption, environmental protection.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Among the figure: 1, cow dung, 2, the high solid anaerobic digestion system, 3, biogas, 4, the collecting methane system, 5, natural pond slag, 6, the mechanical dehydration system, 7, the partition dehumidification system, 8, the dried tail gas system, 9, condenser system, 10, exhaust treatment system, 11, the condensate return system; 12, do the natural pond slag, 13, pyrolysis system, 14, the pyrolysis residue derivatived fuel, 15, boiler, 16, water vapor, 17, the after-flame waste residue.
Embodiment:
As shown in Figure 1: cow dung high solid anaerobic digestion pyrolysis processing integrated system comprises: cow dung 1, high solid anaerobic digestion system 2, biogas 3, collecting methane system 4, natural pond slag 5, mechanical dehydration system 6, partition dehumidification system 7, dried tail gas system 8, condenser system 9, exhaust treatment system 10, condensate return system 11, dried natural pond slag 12, pyrolysis installation 13, pyrolysis residue derivatived fuel 14, boiler 15, water vapor 16, after-flame waste residue 17.The present invention is take high solid anaerobism sterilizing system 2 and pyrolysis installation 13 as main body, and cow dung 1 is after high solid anaerobic digestion system 2, and the biogas 3 of output uses as secondary energy behind collecting methane systematic collection 4; Through the natural pond slag 5 of high solid anaerobic digestion 2 outputs after mechanical dehydration system 6 processes, remove surface water, dry natural pond slag 12 through output behind the partition dehumidification system 7 enters pyrolysis installation 13 again, doing natural pond slag 12 behind pyrolysis installation 13 is become pyrolysis residue derivatived fuel 14 to enter boiler 15 by pyrolysis to burn, second stage employ, the after-flame residue 17 of output carries out landfill, the water vapour 16 of the heat generation that burning discharges acts on partition dehumidification system 7, the tail gas drying exhaust system 8 of dry output, enter exhaust treatment system 10 after the condenser system 9, the water of condensation of generation enters high solid anaerobic digestion system 2 through condensate return system 11.
Each component function:
1, cow dung: the movement that is ox;
2, high solid anaerobic digestion system: the effective dry matter content in the traditional methane tank only is 6%, and all the other are water entirely, is called wet fermentation.And effective dry-matter of high solid anaerobically fermenting accounts for more than 18%, and total concn is its 2-3 times, and for high yield tolerance lays the foundation, but organic matter degradation is not thorough;
3, biogas:: be various organic substances, at secluding air (reductive condition), and under suitable temperature, humidity, a kind of combustible gas that the fermentative action of process microorganism produces;
4, collecting methane system: a kind of for the collecting methane system from the on-the-spot recovery of refuse biogas;
5, natural pond slag: the residual body that is rich in organic matter of changing food waste output after doing fermentation
6, mechanical dehydration system: be to depend on mechanical force and separating of the water realized and material can be sloughed free water;
7, partition dehumidification system: be a kind of Novel high efficiency heat exchange apparatus of being formed by a series of tinsel closed assemblies with certain bellows-shaped, make the process of material dewatering exsiccation hardening by the mode of intermediate course heating;
8, tail gas dehumidification system: tail gas drying and dehydrating device;
9, condenser system: gas or liquid are met cold and are condensed, and meet the cold a kind of device that becomes water such as water vapour;
10, exhaust treatment system: the device that the pyrolysis tail gas of dry output is processed:
11, condensate return system: with the water of condensation of output by pump reflux to the high solid anaerobic digester system;
12, do the natural pond slag: through dehydration and the dried dried fermentation residue of partition
13, pyrolysis installation: under oxygen free condition, dried natural pond slag is heated the reaction process of decomposition occurs;
14, pyrolysis residue derivatived fuel: dehydration natural pond slag output after behind the pyrolysis installation, the fuel of characteristics such as having certain calorific value, flameholding, be easy to transport, be easy to store, secondary pollution is low and the dioxin-like chemical quantity discharged is low.
15, boiler: heat energy or other heat energy heating waters or other working medium of utilizing fuel combustion to discharge, to produce the equipment of steam, hot water or other working medium of stipulating parameter (temperature, pressure) and quality;
16, water vapor: it is the solution-air two-phase that there is form in the water that refers to particular space;
17, after-flame waste residue: the waste residue of residue after gasifying derivatived fuel output after the multifunctional combustion oven burning.Workflow:
1, cow dung is after the high solid anaerobic digestion system, and the biogas of output uses as secondary energy behind the collecting methane systematic collection;
2, through the natural pond of high solid anaerobic digestion output slag after mechanical dehydration is processed, remove surface water;
3, the dry natural pond slag of output enters pyrolysis installation after passing through the partition dehumidification system again behind the mechanical dehydration;
4, behind pyrolysis installation, do the natural pond slag and become the pyrolysis residue derivatived fuel to enter boiler by pyrolysis to burn, second stage employ, the after-flame residue of output carries out landfill;
5, the heat of burning release is used for the partition dehumidification system, and the tail gas of dry output enters exhaust treatment system after condenser system, and the water of condensation of generation enters the high solid anaerobic digestion system through the condensate return system.
Claims (4)
1. cow dung high solid anaerobic digestion pyrolysis processing integrated system is characterized in that: comprise the high solid anaerobic digestion device, sludge gas collecting device, mechanical dehydration system, the partition dehumidification system, dried tail gas system, condenser system, exhaust treatment system, condensate return system, pyrolysis installation and boiler.The high solid anaerobic digestion device connects mechanical dewatering system, partition dehumidification system, pyrolysis installation and boiler successively.The partition dehumidification system is connected with condenser system, boiler.Condenser system is connected with the high solid anaerobic digestion device.
2. cow dung high solid anaerobic digestion pyrolysis processing integrated system as claimed in claim 1, it is characterized in that: the high solid anaerobic digestion device is connected with sludge gas collecting device.
3. cow dung high solid anaerobic digestion pyrolysis processing integrated system as claimed in claim 1 is characterized in that: the partition dehumidification system is connected with condenser system by the dried tail gas system.
4. cow dung high solid anaerobic digestion pyrolysis processing integrated system as claimed in claim 1, it is characterized in that: condenser system is connected with exhaust treatment system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103743A1 (en) * | 2014-01-08 | 2015-07-16 | 李铮 | Lectin chip for identifying liver series of disease based on salivary glycoprotein sugar chain and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110200954A1 (en) * | 2010-04-12 | 2011-08-18 | Seab Energy Ltd. | Renewable energy microgeneration system |
| CN102374543A (en) * | 2011-08-08 | 2012-03-14 | 南京大学 | Anaerobic fermentation-incineration combined treatment method for organic wastes |
| CN102500604A (en) * | 2011-11-28 | 2012-06-20 | 辽宁科技大学 | Household solid garbage recycling and renewable biological carbon circulating technology |
| CN102517200A (en) * | 2011-11-21 | 2012-06-27 | 云南昆船第二机械有限公司 | Organic waste dry anaerobic high-temperature fermentation system and fermentation process |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110200954A1 (en) * | 2010-04-12 | 2011-08-18 | Seab Energy Ltd. | Renewable energy microgeneration system |
| CN102374543A (en) * | 2011-08-08 | 2012-03-14 | 南京大学 | Anaerobic fermentation-incineration combined treatment method for organic wastes |
| CN102517200A (en) * | 2011-11-21 | 2012-06-27 | 云南昆船第二机械有限公司 | Organic waste dry anaerobic high-temperature fermentation system and fermentation process |
| CN102500604A (en) * | 2011-11-28 | 2012-06-20 | 辽宁科技大学 | Household solid garbage recycling and renewable biological carbon circulating technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103743A1 (en) * | 2014-01-08 | 2015-07-16 | 李铮 | Lectin chip for identifying liver series of disease based on salivary glycoprotein sugar chain and application thereof |
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