CN103045462B - Biogas production system - Google Patents
Biogas production system Download PDFInfo
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- CN103045462B CN103045462B CN201110309733.XA CN201110309733A CN103045462B CN 103045462 B CN103045462 B CN 103045462B CN 201110309733 A CN201110309733 A CN 201110309733A CN 103045462 B CN103045462 B CN 103045462B
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- 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
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- 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
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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- 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
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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
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Abstract
The invention provides a biogas production system comprising a feeding tank, a main anaerobic tank and a discharging tank; the main anaerobic tank is respectively connected with the feeding tank and the discharging tank and provided with an air outlet pipe; the discharging tank is internally provided with a slagging pipe and a biogas slurry discharging pipe which are connected with the inlet end of a discharging motor; the biogas production system is also provided with an organic biogas slurry pipe communicated with a farmland, a feeding circulating pipe communicated with the feeding tank and a slagging filter tank pipe communicated with a liquid and slag separating tank, and an outlet of the discharging motor is respectively communicated with the organic biogas slurry pipe communicated with the farmland, the feeding circulating pipe communicated with the feeding tank and the slagging filter tank pipe communicated with the liquid and slag separating tank; and the main anaerobic tank is hemispherical, and the feeding tank is provided with an overflow pipe and a field discharged waste feeding hole. By using the biogas production system provided by the invention, biogas, biogas slurry and biogas slag can be respectively utilized, and the trend of materials conveyed in the pipelines can be adjusted according to the actual production condition so that the comprehensive utilization of the biogas slurry and the biogas slag are greatly increased.
Description
Technical field
The present invention relates to a kind of recycling of agricultural organic waste, particularly relate to a kind of biogas production system.
Background technology
In a lot of area, China rural area all using biogas project construction as key construction project, production and use of marsh gas project object is to convert organic waste useless for rural area to biogas, to solve the problem that Rural areas uses without pipe gas.
The product that methane production device is produced can be widely used in many places.Such as, each amino acid, vitamin b6 usp, protein, growth hormone and microbiotic etc. are contained in the liquid of natural pond.Natural pond liquid is used for crop seed soaking and can improves the effect such as rate of emergence, sterilization and disinfestation.
Biogas main component is methane and carbon dioxide, stable chemical nature, and is simple form choke damp.Utilize biogas to carry out grain storage and fresh-keeping, effectively can kill the most insects in container, grain is escaped injury.Biogas is used in vegetables and fruit freshness preserving storage, the freshness of vegetables and fruits can be kept for more time.Biogas also may be used for industrialized agriculture production and heats, supplements CO
2gas is fertile, and natural pond liquid, natural pond slag are used for greenhouse vegetable production can be increased plant resistance, improve its growth potential.Natural pond liquid organic soilless cultivation technology can make nutritive medium substrate grooves cultivate, and cost reduces, fertilizer cost reduces.Biogas also can be applied in generating, can produce high heat energy and electric energy
Be enriched with multiple nutritional components in natural pond liquid, natural pond slag, can as high-quality organic fertilizer be used in farm crop, vegetables and fruits, fruit tree base manure, topdress, can photosynthesis be strengthened, be conducive to formation and the differentiation of bud.Improve fruit-setting rate, fruit growth period sprays natural pond liquid, can promote expanding of fruit, improves output.Natural pond liquid mixes agent as animal-feed, not only can effective trace element supplement, but also improves animal immunizing power, promotes its growth and development, equally also may be used for feeding the poultry such as pig, chicken, fish.
While development, but there is the problem that utilization ratio is low in China's biogas construction scale.The natural pond liquid that major part is produced and natural pond slag all do not utilize, and are directly emitted.Biogas also is just used as pipeline burning gas to use, and other are utilizable does not all utilize.If biogas, natural pond liquid and natural pond slag can be made full use of, that will improve ecological benefits and the economic benefit of biogas to a great extent.
Summary of the invention
The invention provides a kind of biogas production system, by the biogas, natural pond liquid and the rational extraction and application of natural pond slag that produce in biogas production process, the utilization ratio of biogas is maximized.
There is provided a kind of biogas production system to achieve these goals, comprise feed tank, anaerobic main pool and material-output tank, it is characterized in that, anaerobic main pool connects respectively with feed tank and material-output tank, and anaerobic main pool is provided with escape pipe; Be provided with residue outlet and natural pond liquid discharge nozzle in described material-output tank, wherein residue outlet is connected with discharging motor inlet end with natural pond liquid; Also be provided with towards field organic natural pond liquid pipe, with lead to feed tank feed cycle pipe and with lead to the filtering basin pipe of slagging tap of liquid-and-slag separating pools, the outlet of described discharging motor respectively with lead to field organic natural pond liquid pipe, with lead to the feed cycle pipe of feed tank and be connected with the filtering basin pipe of slagging tap towards liquid-and-slag separating pools; Described anaerobic main pool is semisphere, and described feed tank is provided with upflow tube and on-the-spot waste discharge opening for feed.
Above-mentionedly provide a kind of biogas production system, wherein said natural pond liquid discharge nozzle is also provided with the entrance of residue outlet is other the tubule be connected with discharging motor, the entrance of described natural pond liquid discharge nozzle and residue outlet is other is also provided with magnet, described material-output tank is also provided with material-output tank lid, wherein material-output tank covers and is provided with level gauging hole, level gauging is provided with fluid level measuring instrument in hole, and described fluid level measuring instrument is provided with floating head.
Anaerobic main pool provided by the invention is hemisphere, and anaerobic main pool top is connected with air outlet and escape pipe from bottom to top, and wherein air outlet and anaerobic main pool are built and be integrated.Anaerobic main pool is also provided with the useless outlet of charging Link Port and slag, and the bottom of described anaerobic main pool is located in slag outlet of giving up.Escape pipe is provided with reducing valve, reducing valve can also connects main valve box, in anaerobic main pool, be provided with temperature test instrument.The measuring junction of temperature test instrument is positioned at anaerobic main pool, and digital independent end is positioned at outside anaerobic main pool, and measuring junction is held with reading and is connected by data line.
The liquid-and-slag separating pools mentioned in the present invention is provided with melt cinder separating circuit pipe melt cinder being discharged into material-output tank.Liquid-and-slag separating pools is Multilayer liquid-and-slag separating pools superposition, and undermost liquid-and-slag separating pools is provided with filtering basin pipe of slagging tap and is connected with material-output tank, and the liquid-and-slag separating pools of the superiors is provided with melt cinder separating circuit pipe, and the end of melt cinder separating circuit pipe is connected with material-output tank.On body between each layer liquid-and-slag separating pools, the position of siphunculus is different, is staggered.Liquid-and-slag separating pools quantity is 3 or is greater than 3.Preferably, the superiors' liquid-and-slag separating pools is provided with Chi Gai, cover in pond and be provided with vapor pipe, vapor pipe passes vertically through Chi Gai.
Feed tank in the present invention is tubular slant-bottom feed tank, and below is provided with anaerobic main pool Link Port, anaerobic main pool Link Port be level towards or inclined open.Feed tank bottom is for designing on scarp, and scarp tilts from anaerobic main pool Link Port to towards anaerobic main pool Link Port lower end.Also be provided with feed tank cover plate at the top of feed tank, feed tank is also provided with waste discharge opening for feed, waste discharge opening for feed is arranged at the side of described feed tank, and opening is arranged obliquely.Feed tank is also provided with upflow tube, and upflow tube is connected in the top of feed tank.Feed tank top is provided with circulation tube opening for feed, for recycling of non-fully fermenting material.The scarp of feed tank can be the combination for curve slope, tilting plane or described two kinds of scarp, as top be arc, below is the design of tilting plane.
Anaerobic main pool is provided with pressure flow visible main valve box, is provided with tensimeter and rate of flow meter in main valve box, tensimeter is connected with main pond internal pressure measuring apparatus, and rate of flow meter is connected with air outlet, main pond flow testing device.Tensimeter wherein and rate of flow meter are arranged on same dial plate, and clack box is connected with anaerobic main pool escape pipe with reducing valve.
The present invention also provides the biogas production method utilizing above-mentioned biogas production system, it is characterized in that, is entered in anaerobic main pool by biogas production raw material ferment by feed tank, and the biogas that fermentation generates discharges anaerobic main pool by the escape pipe on anaerobic main pool; Natural pond liquid after fermentation is discharged outside material-output tank by natural pond liquid discharge nozzle.
Above-mentionedly provide a kind of biogas production method, enter feed tank by feed cycle pipe after wherein the natural pond slag of non-fully fermenting discharges material-output tank by residue outlet and recycle.
Above-mentionedly provide a kind of biogas production method, natural pond liquid wherein in material-output tank and natural pond slag are extracted out by the residue outlet in material-output tank and natural pond liquid discharge nozzle respectively, be delivered to liquid-and-slag separating pools, carry out filtering, filter after natural pond liquid discharge system by organic natural pond liquid pipe, or be delivered to feed tank by feed cycle pipe.
Above-mentionedly provide a kind of biogas production method, wherein said biogas production raw material is thrown in after anaerobic main pool by feed tank, carries out fluid-tight to feed tank.
Above-mentionedly provide a kind of biogas production method, wherein said anaerobic main pool is embedded in underground.
Biogas, natural pond liquid and natural pond slag can utilize by biogas production system provided by the invention respectively, can, according to the trend of convey materials in the situation adjustment pipeline of actual production, the comprehensive utilization ratio of biogas, natural pond liquid and natural pond slag be improved greatly.
Accompanying drawing explanation
Fig. 1 is the structure iron that the invention provides biogas production system.
Fig. 2 is the piping drawing that the invention provides natural pond liquid in biogas production system, natural pond slag disposal system.
Embodiment
The invention provides a kind of biogas production system, biogas production raw material is entered in anaerobic main pool by the import on feed tank and carries out fermentation reaction, produces biogas, natural pond liquid and natural pond slag after fermentation reaction.Biogas discharges anaerobic main pool by escape pipe on anaerobic main pool, and natural pond liquid and natural pond slag enter material-output tank.
Be provided with residue outlet and natural pond liquid discharge nozzle in material-output tank, wherein residue outlet is connected with discharging motor inlet end with natural pond liquid.The outlet of discharging motor respectively with lead to field organic natural pond liquid pipe, with lead to the feed cycle pipe of feed tank and be connected with the filtering basin pipe of slagging tap leading to liquid-and-slag separating pools, natural pond liquid and natural pond slag pass through discharging motor respectively discharged to field, feed tank and liquid-and-slag separating pools.
Be explained in detail a kind of biogas production system of the present invention below by specific embodiment, to make better to understand the present invention, but following embodiment does not limit the scope of the invention.
Pour in anaerobic main pool 1 by biogas production raw material by feed tank 2 upper shed, biogas production raw material can use the movement of animal, withered plant or leftovers leftovers.When the biogas production raw material pouring anaerobic main pool 1 into is more time, biogas production raw material can be added by opening feed tank 2 upper feeding pond cover plate.If what need the batch continued adds raw materials for production, then the on-the-spot waste discharge feed-pipe 105 that can be provided with by feed tank 2 is fed in raw material.If the content of water is comparatively large in the raw materials for production added, anaerobic main pool 1 can be got rid of by the upflow tube 103 on feed tank 2.
Biogas production raw material ferments after entering anaerobic main pool 1, and the biogas that fermentation reaction produces is discharged to outside anaerobic main pool 1 by the escape pipe 101,102 above anaerobic main pool 1..Escape pipe 101 is provided with pressure warning unit 5 and under meter 6.Because biogas is discharged from the higher anaerobic main pool 1 of pressure, escape pipe 101 is provided with reliever.The outer surface cover of pressure warning unit 5, under meter 6 and reliever has a main valve box 4.Be provided with temperature measuring equipment 10 in the inside of anaerobic main pool 1, temperature measuring equipment 10 will record on temperature indicator 13 that temperature is sent on main valve box 4.
Natural pond liquid and natural pond slag that fermentation reaction generates are entered in material-output tank by the slag that anaerobic main pool is communicated with material-output tank outlet 11 of giving up.In material-output tank 3, be provided with natural pond liquid discharge nozzle 106 and residue outlet 107, natural pond liquid discharge nozzle 106 is inserted in the middle part of material-output tank 3, and residue outlet 107 is inserted in the position of material-output tank 3 at the bottom of pond, near in the middle part of bay wall.Residue outlet 106 is provided with fluid level measuring instrument 9, and residue outlet 107 is connected by Y-tube with discharging motor 8 with natural pond liquid discharge nozzle 106.Natural pond liquid discharge nozzle 106 and residue outlet 107 are respectively provided with a valve, for controlling the discharge of natural pond liquid and natural pond slag.Valve on Y-tube and natural pond liquid discharge nozzle 106 and residue outlet 107 can replace with T-valve.
The other end of discharging motor 8 goes organic natural pond liquid pipe 111 in field to be connected with connection, the natural pond liquid excluded out from material-output tank 3 by organic natural pond liquid pipe 111 discharged to farmland and other places.Organic natural pond liquid pipe 111 is also provided with the feed cycle pipe 104 towards anaerobic main pool and the strainer tube 109 of slagging tap towards liquid-and-slag separating pools 7.Organic natural pond liquid pipe 111, feed cycle pipe 104 and strainer tube 109 of slagging tap are respectively equipped with valve, for pilot piping.Material-output tank 3 is provided with material-output tank vapor pipe 108, material-output tank vapor pipe 108 for when in material-output tank 108, pressure is excessive, for getting rid of the gas in material-output tank 3.The melt cinder separating circuit pipe 110 towards material-output tank 3 is also provided with in liquid-and-slag separating pools 7, when the melt cinder needing in liquid-and-slag separating pools 7 to be separated is too much time, in the middle part of liquid-and-slag separating pools 7, liquid slag separating can be got back in material-output tank 3 by melt cinder separating circuit pipe 110, to slow down the segregational load of liquid-and-slag separating pools 7.
When natural pond liquid is more in material-output tank 3 time, open the valve on natural pond liquid discharge nozzle 106, close valve on residue outlet 107, a large amount of natural ponds liquid has been excluded material-output tank 3 by natural pond liquid discharge nozzle 106.When natural pond slag is more in material-output tank 3 time, open valve on residue outlet 107, close the valve on natural pond liquid discharge nozzle 106, a large amount of natural ponds slag has been excluded material-output tank 3 under the drive of natural pond liquid.The natural pond slag got rid of from material-output tank 3 and natural pond liquid lead to field, liquid-and-slag separating pools 7 and material-output tank 3 as required respectively.
Also be provided with on the entrance side of natural pond liquid discharge nozzle 106 and residue outlet 107 tubule communicated with air, the entrance of natural pond liquid discharge nozzle 106 and residue outlet 107 is other is also provided with magnet.When natural pond liquid discharge nozzle 106 and residue outlet 107 are when discharging residue and natural pond liquid is the entrance of blocking pipe, tamper is got rid of by the tubule utilizing entrance side to be provided with and magnet.Bottom discharging pond, be provided with stair 12, enter bottom material-output tank 3 for personnel and keep in repair.
Biogas, natural pond liquid and natural pond slag can utilize by biogas production system provided by the invention respectively, can, according to the trend of convey materials in the situation adjustment pipeline of actual production, the comprehensive utilization ratio of biogas, natural pond liquid and natural pond slag be improved greatly.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (8)
1. a biogas production system, comprises feed tank, anaerobic main pool and material-output tank, it is characterized in that,
Anaerobic main pool connects respectively with feed tank and material-output tank, and anaerobic main pool is provided with escape pipe, and described escape pipe is provided with pressure warning unit and under meter; Be provided with residue outlet and natural pond liquid discharge nozzle in described material-output tank, wherein residue outlet is connected with discharging motor inlet end with natural pond liquid discharge nozzle;
Also be provided with the organic natural pond liquid pipe towards field, the feed cycle pipe towards feed tank and lead to the filtering basin pipe of slagging tap of liquid-and-slag separating pools, the outlet of described discharging motor is connected with the organic natural pond liquid pipe towards field, the feed cycle pipe towards feed tank and the filtering basin pipe of slagging tap towards liquid-and-slag separating pools respectively;
Described anaerobic main pool is semisphere, and described feed tank is provided with upflow tube and on-the-spot waste discharge opening for feed;
Described liquid-and-slag separating pools is provided with melt cinder separating circuit pipe melt cinder being discharged into material-output tank, described liquid-and-slag separating pools is Multilayer liquid-and-slag separating pools superposition, undermost liquid-and-slag separating pools is provided with filtering basin pipe of slagging tap and is connected with material-output tank, the liquid-and-slag separating pools of the superiors is provided with melt cinder separating circuit pipe, the end of melt cinder separating circuit pipe is connected with material-output tank, the position of the siphunculus between each layer liquid-and-slag separating pools is different, be staggered, the superiors' liquid-and-slag separating pools is provided with Chi Gai, cover in pond and be provided with vapor pipe, vapor pipe passes vertically through Chi Gai.
2. biogas production system according to claim 1, it is characterized in that, described natural pond liquid discharge nozzle is also provided with the entrance of residue outlet is other the tubule be connected with discharging motor, the entrance of described natural pond liquid discharge nozzle and residue outlet is other is also provided with magnet, described material-output tank is also provided with material-output tank lid, wherein material-output tank covers and is provided with level gauging hole, and level gauging is provided with fluid level measuring instrument in hole, and described fluid level measuring instrument is provided with floating head.
3. biogas production system according to claim 1, is characterized in that, described anaerobic main pool is provided with main valve box, is provided with temperature-detecting device in anaerobic main pool.
4. utilize a biogas production method for the biogas production system described in claim 1, it is characterized in that, entered in anaerobic main pool by biogas production raw material ferment by feed tank, the biogas that fermentation generates discharges anaerobic main pool by the escape pipe on anaerobic main pool; Natural pond liquid after fermentation is discharged outside material-output tank by natural pond liquid discharge nozzle.
5. biogas production method according to claim 4, is characterized in that, the natural pond slag of non-fully fermenting recycles by entering feed tank by feed cycle pipe after residue outlet discharge material-output tank.
6. biogas production method according to claim 4, it is characterized in that, natural pond liquid in material-output tank and natural pond slag are extracted out by the residue outlet in material-output tank and natural pond liquid discharge nozzle respectively, be delivered to liquid-and-slag separating pools, carry out filtering, filter after natural pond liquid discharge system by organic natural pond liquid pipe, or be delivered to feed tank by feed cycle pipe.
7. biogas production method according to claim 4, is characterized in that, described biogas production raw material, by after feed tank input to anaerobic main pool, carries out fluid-tight to feed tank.
8. biogas production method according to claim 4, is characterized in that, described anaerobic main pool is embedded in underground.
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| CN201110309733.XA CN103045462B (en) | 2011-10-13 | 2011-10-13 | Biogas production system |
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| CN201110309733.XA CN103045462B (en) | 2011-10-13 | 2011-10-13 | Biogas production system |
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| CN103045462A CN103045462A (en) | 2013-04-17 |
| CN103045462B true CN103045462B (en) | 2015-05-13 |
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| CN108998356A (en) * | 2018-09-28 | 2018-12-14 | 淮安市农业环境保护监测站 | The biogas recirculation utilizing works system of waste dish step fermentation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535416Y (en) * | 2002-03-21 | 2003-02-12 | 陈观梯 | Deep-hidden methane tank |
| CN2905801Y (en) * | 2006-05-11 | 2007-05-30 | 刘昆 | Methane generating device |
| CN200978278Y (en) * | 2006-11-21 | 2007-11-21 | 临安文华饲料有限公司 | High air pressure double-automatic methane tank |
| CN201272801Y (en) * | 2008-03-28 | 2009-07-15 | 刘洪光 | Self-pressure regulation type biogas generating pit |
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2011
- 2011-10-13 CN CN201110309733.XA patent/CN103045462B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535416Y (en) * | 2002-03-21 | 2003-02-12 | 陈观梯 | Deep-hidden methane tank |
| CN2905801Y (en) * | 2006-05-11 | 2007-05-30 | 刘昆 | Methane generating device |
| CN200978278Y (en) * | 2006-11-21 | 2007-11-21 | 临安文华饲料有限公司 | High air pressure double-automatic methane tank |
| CN201272801Y (en) * | 2008-03-28 | 2009-07-15 | 刘洪光 | Self-pressure regulation type biogas generating pit |
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