CN101974410A - Five-stage anaerobic methane reactor - Google Patents
Five-stage anaerobic methane reactor Download PDFInfo
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- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
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- 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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- 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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention relates to a five-stage anaerobic methane reactor, which is a novel reactor for the production of methane through the five-stage anaerobic steps. The reactor mainly comprises a feeding pool (4), a first stage anaerobic pool (7), a second stage anaerobic pool (8), a discharging port (11), a third stage anaerobic pool (18), an air collecting cover (23), a water seal pool (24), a liquid inlet (30), a fourth stage anaerobic pool (31), a fifth stage anaerobic pool (45), an aerobic pool (41) and a methane effuser (27). The reactor is characterized in that the aerobic pool is arranged between the second stage anaerobic pool and the third stage anaerobic pool, and an upper and a lower pools are heated by heat quantity generated in the aerobic pool; the liquid inlet is arranged at the top to causing the liquid to automatically flow into all the pools below the third stage anaerobic pool; the methane gas generated by the upper stages is injected into the lower anaerobic pools by the methane effuser to carrying out reaction and purification again, and the methane gas with high concentration is produced; and the air collecting cover is directly covered into the water seal pool, thus realizing good seal effect and simple maintenance. In the invention, a novel device for the reprocessing of agricultural and industrial organic wastes such as the household garbage, the straw, the excrement and the like, as well as for the production of the methane fuel is provided. The reactor is a new energy green product with large market demand and broad prospects.
Description
The present invention relates to a kind of Pyatyi anaerobic methane reactor, is a kind of reactor that adopts Pyatyi substep anaerobism to generate the novel production methane of methane, and it can be town and country industrial and agricultural production and people and lives and handle organic sewage and waste, is a kind of new forms of energy environmentfriendly products.
One, technical field
The present invention relates to a kind of Pyatyi anaerobic methane reactor, the technical field that belongs to new forms of energy and environmental protection, be a kind of high-efficiency methane reactor assembly, can be widely used in organic Anaerobic Digestion such as industrial sewage, sanitary sewage, domestic refuse, fowl and animal excrement, agricultural crop straw.
Two, background technology
At present, the Pyatyi anaerobic methane reactor that does not also have this form, existing biogas engineering, major part all is the one-level anaerobic reaction device, also having a spot of has been secondary (two-phase) or three grades (three-phase) reaction, methane content and can not form a kind of batch production product generally all between 55-65%, can not be applied to extensive energy supply.Lack needed reaction process repeatedly in the microbial reaction process because traditional marsh-gas fermentation tank forms methane on the mode simultaneously, therefore, it is slower to produce biogas, the inefficiency of conversion, and methane content is lower.In addition, the feed liquid of anaerobically fermenting needs temperature (general 30-55 degree is advisable), heats as not giving the feed liquid of fermentation, cold district firedamp gas equipment in winter just can not normally use, or give firedamp gas equipment self heating with a large amount of energy again, working cost is very big, the phenomenon that causes some users not re-use.And traditional firedamp gas equipment efficient is low, volume is difficult to greatly realize that batch production moulding and mechanized form methane, and firedamp gas equipment seepage gas phenomenon ubiquity has also limited biogas in industrial and agricultural production and people's large-scale application in life.
The history of China's existing more than ten years of development biogas requires to promote biogas in No. 1 file of continuous in recent years 6 years central authorities, and brings in 4,000,000,000,000 domestic demand scopes and the people's livelihood engineering, is promoted.To the end of the year 2009, relevant department statistics, existing about 3,500 ten thousand mouthfuls of China's household biogas, nearly 57000 places of big-and-middle-sized biogas engineering, tempo is accelerated day by day, more and more is urgent to the demand of biogas product innovation, new technology.
In recent years, the scale of China's city-building, industry, agricultural and aquaculture is all in swift and violent expansion, application of city life garbage and the development of sewage total amount are very fast, annual growth rate is about more than 6%, but it is very low to administer utilization ratio, as big cities such as Beijing and Shanghai only is 3%～8%, and the city also has only 5%～15% preferably; The enterprise of discharge of industrial wastes water has the hundreds of thousands of man approximately, big-and-middle-sized breeding enterprise has several ten thousand families approximately, the annual millions of approximately tons of agricultural crop straw, the improvement that these organic wastes are present and utilize and total also be less than 10%, this has not only wasted resource, has polluted water source and environment, has also endangered the healthy of people.Along with the raising of expanding economy and people's living standard, the situation of energy shortage shortage is more and more severeer in addition, and the worldwide contention energy has become global main factor leading to social instability, and it is extremely urgent to develop new substitute energy.
We if can adopt biogas to handle these resources, and the biogas that is produced is used for generating, and the electricity amount is equivalent to 20% of China's generation current total amount, has also administered environment, and a large amount of fertilizers also is provided.Therefore, the development of new marsh gas reactor is imperative, presses for.
Three, summary of the invention
The present invention will provide a kind of Pyatyi anaerobic methane reactor, it is a kind of employing Pyatyi (five phases) anaerobism, produce the device of high density methane (biogas), Pyatyi anaerobic methane reactor has improved the concentration that generates methane efficient and methane, can further fully digest fermented organic, can make the outlet water quality of crossing through anaerobic reaction become better.Can also improve simultaneously feed liquid that the past lacked reaction process repeatedly on biogas generation method, can be again with the water of anaerobism outlet carry out again aerobic fermentation produce in the water qualified discharge, do not forming secondary pollution.
The present invention achieves the above object to realize by this way: anaerobic reaction device is designed to Pyatyi, aerobic reaction device one-level, and Aerobic Pond is located between the anaerobic pond second stage and the third stage, utilize the heat energy that discharges in the aerobic reaction to heat for up and down anaerobic pond, thereby reduce self power consumption in the anaerobic reaction.Feed liquid enters from the charging pond, after the digestion of one-level anaerobic pond, the foreign material that are difficult to degrade are discharged by residue extraction machine from slag notch, the feed liquid that the one-level anaerobic pond has been degraded and again, after the secondary anaerobic reaction, continue fermentation by three grades of anaerobic ponds of pump suction, three grades of anaerobic ponds are under feed water stream and methane gas effect, up-flow to level Four anaerobic pond reacts, the level Four anaerobic pond will enter the equal amount overflow of feed liquid and continue reaction to the Pyatyi anaerobic pond, and the level V anaerobic pond also uses (directly as fertilizer sources use of feed liquid here) as liquid storage tank simultaneously; Make the unnecessary feed liquid in fertile back through distributing, enter carry out in the Aerobic Pond aerobic again during digestion generates behind the water, qualified discharge.Methane gas from one-level through the space of holding pad up-flow to secondary, the methane gas in the secondary sprays into three grades of anaerobic ponds and reacts purification again through boost pipe and methane jet pipe of methane.
Realization of the present invention, technical solution is a kind of Pyatyi anaerobic methane reactor, mainly is made up of boost pipe (26), methane jet pipe (27), feed liquor material mouth (30), level Four anaerobic pond (31), Pyatyi anaerobic pond (45) and Aerobic Pond (41) of cover plate two (2), charging pond (4), one-level anaerobic pond (7), secondary anaerobic pond (9), material-output tank (11), three grades of anaerobic ponds (18), upflow tube (20), overflow port (21), gas skirt (23), water seal tank (24), methane.Wherein boost pipe (26), methane jet pipe (27) of methane sprays into subordinate's anaerobic pond with the methane gas of higher level's anaerobic pond and reacts purification again; Air water up-flow mouth (25) is straight-through with three grades of anaerobic ponds (18) and level Four anaerobic pond (31); Methane connecting leg (32), methane jet pipe (27) are communicated with the methane gas in higher level's anaerobic pond with the subordinate anaerobic pond.Binder leads to card (8) water flowing of can ventilating; Charging pond (4) is provided with sand discharging pump (5) He Gelan (6); Be provided with rotation mucking machine (10), filter plate (12) and recycle pump (13) in the discharge port (11); The top of level Four anaerobic pond (31) and Pyatyi anaerobic pond (45) is equipped with water seal tank (24) and gas skirt (23); Be provided with upflow tube (20) between level Four anaerobic pond (31) and overflow port (21).It is characterized in that: secondary anaerobic pond (9) are located at the top in the one-level anaerobic pond (7); Aerobic Pond (41) is located at the centre of secondary anaerobic pond (9) and three grades of anaerobic ponds (18), gives last lower storage reservoir heating with the heat that produces in the Aerobic Pond (41); Feed liquor material mouth (30) is arranged at highest point, can make the liquid material from flowing to three grades of anaerobic ponds (18), level Four anaerobic pond (31), Pyatyi anaerobic pond (45), Aerobic Pond (41) and charging pond (4); The methane gas that methane jet pipe (27) produces the higher level sprays into reaction purification once more in subordinate's anaerobic pond, produces the high methane gas of content; Gas skirt (23) directly buckles in the water seal tank (24), good airproof performance; Open cover plate two (2) and can directly put into the stalk of pulverizing.
Realization of the present invention, technical solution is to be provided with grid, cover plate one, cover plate two and sand discharging pump in the charging pond, before sewage enters grid, foreign material in the sewage are kept off by lattice, stalk of pulverizing and the organic waste after the go-on-go can directly enter (opening cover plate two chargings) behind grid, the silt that is deposited at the bottom of the pond is discharged by sand discharging pump.
Realization of the present invention, technical solution are that the one-level anaerobic pond is mainly the acidified degradation stage, and the feed liquid of being degraded enters subordinate's anaerobic reaction generation methane again.
Realization of the present invention, technical solution are methane gas reaction purifications again in subordinate's anaerobic pond that higher level's anaerobic pond is produced, and obtain the high methane gas of methane content.
Realization of the present invention, technical solution are that anaerobic pond is made as Pyatyi, further improve the methane content in the methane gas, and abundant degradation of organic substances, make the water quality of water outlet better.
Realization of the present invention, technical solution is that one-level anaerobic pond, secondary anaerobic pond, Aerobic Pond, three grades of anaerobic ponds, level Four anaerobic ponds are being stacked up one by one, the Pyatyi anaerobic pond places under the height of level Four anaerobic pond in addition, can give three grades of all device feed liquid more than the anaerobic pond by a recycle pump, energy-conservation easy.
Realization of the present invention, technical solution are that gas skirt directly buckles in the water seal tank, and good airproof performance has solved the existing firedamp gas equipment problem of easily leaking gas; Easy to loading and unloading in addition, be convenient to safeguard.
The present invention compares with existing conventional firedamp gas equipment and has the following advantages:
One, adapts to extensively.Because the present invention is provided with holding pad between one-level anaerobic pond and secondary anaerobic pond, be provided with the rotation mucking machine at discharge port, all kinds of organic wastes such as rubbish, stalk, ight soil all can carry out anaerobically fermenting to be handled, and can realize the mass-producing processing.
Two, methane content height.Because the present invention is provided with the Pyatyi anaerobic pond, the methane content in the combustible gas that anaerobically fermenting produces is brought up to more than 80% by present 55%～65%.
Three, energy consumption is low.Because the present invention is located at the highest point of all devices with feed liquor material mouth, a pump just can be to anaerobic pond and the Aerobic Pond feed more than three grades.Utilize the drop gravity flow, can save a large amount of electric energy; Aerobic Pond is located between secondary anaerobic pond and the three grades of anaerobic ponds, utilizes the aerobic heat energy that discharges to give the heating of the fermentation raw material in the last lower storage reservoir, thereby reduce to the required energy of anaerobic fermentation raw material heating.Therefore, reach the effect of less energy-consumption, total energy-conservation reaching more than 60% in service.
Four, overcome floating shell sediment phenomenon.Because the present invention is placed on one-level anaerobic pond and secondary anaerobic pond acidified degradation with a large amount of easily floating easily heavy objects, feed liquid after the degraded pumps into the reaction of next stage anaerobic pond again, a large amount of so floating shells and sediment just can be rotated mucking machine from discharge port and discharge, and do not form floating shell sediment phenomenon.
Five, adopt gas skirt method gas collection, good airproof performance has solved the existing firedamp gas equipment problem of easily leaking gas; Easy to loading and unloading in addition, be convenient to safeguard.
Six, the feed liquid crossed of anaerobically fermenting can directly be made fertilizer and uses.Unnecessary feed liquid is further decomposed through the Aerobic Pond aerobic fermentation, can make the feed liquid of discharge become the clear water discharging.
Four, description of drawings
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a principle assumption diagram of the present invention, not limited by this figure.
Among Fig. 1: 1, cover plate 1, cover plate 23, advance sewage mouth 4, charging pond 5, sand discharging pump 6, grid 7, one-level anaerobic pond 8, binder leads to card 9, secondary anaerobic pond 10, rotation mucking machine 11, discharge port 12, filter plate 13, recycle pump 14 filter residue ponds 15 mud valves 16, liquid separatnig valve 17, connecting leg 18, three grades of anaerobic ponds 19, current limiting tube 20, upflow tube 21, overflow port 22, printing opacity protection canopy 23, gas skirt 24, water seal tank 25, air water up-flow mouth 26, methane boosts and manages 27, methane jet pipe 28, one-level manhole 29 secondary manholes 30, feed liquor material mouth 31, level Four anaerobic pond 32, methane connecting leg 33, drain pipe 34, flow-limiting valve 35, feed liquid isocon 36, feeding liquid pipe 37, air water pipe 38, air water separator 39, blower fan 40, gas ejector pipe 41, Aerobic Pond 42, slag discharge plate 43, methane gas output tube 44, liquid distributor 45, Pyatyi anaerobic pond 46, be communicated with pond 47, Pump for giving-out 48, water outlet.
Five, embodiment
With reference to Fig. 1, operational process of the present invention is such: sewage enters charging pond (4) by advancing sewage mouth (3), through entering one-level anaerobic pond (7) fermentation behind the grid (6).One-level anaerobic pond (7) and secondary anaerobic pond (9) are that acidified degradation is main.Fermented liquid after the degraded enters subordinate's anaerobic pond fermentative production methane gas.In the operational process, the aerobic heat that produces is given the feed liquid heating of anaerobically fermenting in the Aerobic Pond (41).Pyatyi anaerobic pond (45) be anaerobic pond also be liquid storage tank (directly take out do fertilizer use).Unnecessary liquid material is through connecting leg (17), and current limiting tube (19) flows into the middle aerobic treatment of Aerobic Pond (41) and becomes clear water to discharge after gas-water separation.Dark mud is regularly discharged by mud valve (15).Methane gas sprays into through methane jet pipe (27) and is used by methane gas output tube (43) output after reaction purifies again in the feed liquid.In service as open recycle pump (13), open liquid separatnig valve (16) simultaneously, the feed liquid that just can carry out between one-level anaerobic pond (7), three grades of anaerobic ponds (18) and the level Four anaerobic pond (31) circulates.
Embodiments of the invention are achieved in that
Charging of the present invention pond (4), one-level anaerobic pond (7), discharge port (11), three grades of anaerobic ponds (18), level Four anaerobic pond (31), Pyatyi anaerobic pond (45), Aerobic Pond (41) and filter residue pond (14) etc.Both can on-the-spot building with cement, sand, stone, also can be to be welded into work in-process in factory with metal sheet, to field assembly.Sand discharging pump (5), grid (6), rotation mucking machine (10), recycle pump (13), air water separator (38), blower fan (39), Pump for giving-out (47), various valve and pipeline can directly be purchased from the market.Gas skirt (23) is to adopt the special plastic coated fabric, the heat seal of usefulness known method.Printing opacity protection canopy (22) is to use light transmissive material site operations such as polycarbonate sheet (PC sunlight board) or glass.
When the user uses, will produce good work in-process in the factory earlier, equipment such as standard equipment, the accessory scene of moving to assembles one by one with reference to accompanying drawing 1, or after the cast in situs shaping, after the leak test that tries the water is qualified, can come into operation.During use,, feed liquid is dropped into charging pond (4) with reference to Fig. 1, ON cycle pump (13), feed liquid brings into operation after flowing into three grades of anaerobic ponds (18) by feeding liquid pipe (36), feed liquor material mouth (30) and feed liquid isocon (35).Open blower fan (39) again after water in the Aerobic Pond (41) is full, total system can be moved automatically.Opening Pump for giving-out (47) when making feed liquid make fertilizer gets final product.The mucking machine (10) of unlatching rotation regularly, mud valve (15) get final product deslagging, spoil disposal.ON cycle pump (13), open liquid separatnig valve (16) simultaneously, the feed liquid in the one-level in the system, three grades, level Four is promptly capable of circulation, forms dynamic formula and stirs.Burner connects upward, and methane gas output tube (43) promptly uses methane gas.
Claims (2)
1. Pyatyi anaerobic methane reactor mainly is made up of boost pipe (26), methane jet pipe (27), feed liquor material mouth (30), level Four anaerobic pond (31), Pyatyi anaerobic pond (45) and Aerobic Pond (41) of cover plate two (2), charging pond (4), one-level anaerobic pond (7), secondary anaerobic pond (9), material-output tank (11), three grades of anaerobic ponds (18), upflow tube (20), overflow port (21), gas skirt (23), water seal tank (24), methane.Wherein: boost pipe (26), methane jet pipe (27) of methane sprays into subordinate's anaerobic pond with the methane gas in higher level's anaerobic pond and reacts purification again; The top of level Four anaerobic pond (31) and Pyatyi anaerobic pond (45) is equipped with water seal tank (24) and gas skirt (23); Be provided with upflow tube (20) between level Four anaerobic pond (31) and overflow port (21).It is characterized in that: secondary anaerobic pond (9) are located at the top in the one-level anaerobic pond (7); Aerobic Pond (41) is located at the centre of secondary anaerobic pond (9) and three grades of anaerobic ponds (18), gives last lower storage reservoir heating with the heat that produces in the Aerobic Pond (41); Feed liquor material mouth (30) is arranged at highest point, can make the liquid material from flowing to three grades of anaerobic ponds (18), level Four anaerobic pond (31), Pyatyi anaerobic pond (45), Aerobic Pond (41) and charging pond (4); The methane gas that methane jet pipe (27) produces the higher level sprays into reaction purification once more in subordinate's anaerobic pond, produces the high methane gas of content; Gas skirt (23) directly buckles in the water seal tank (24), good airproof performance.
2. Pyatyi anaerobic methane reactor according to claim 1 is characterized in that: open cover plate two (2) and can directly put into the stalk of pulverizing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641288A (en) * | 2013-12-13 | 2014-03-19 | 灵璧县林汇家禽育种有限责任公司 | Resource comprehensive utilization device used for treating animal dung |
| CN103693831A (en) * | 2013-12-13 | 2014-04-02 | 灵璧县林汇家禽育种有限责任公司 | Comprehensive recycling utilization system for processing animal dung |
| CN105712751A (en) * | 2016-01-21 | 2016-06-29 | 陈兰园 | Domestic refuse treatment system |
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| CN101117260A (en) * | 2007-07-12 | 2008-02-06 | 嘉应学院 | Plural serial stage methane tank for treating culture waste-water |
| CN201338977Y (en) * | 2009-01-19 | 2009-11-04 | 彭玉权 | Biogas slurry tertiary treatment and distributary and drainage-irrigation device |
| CN201362633Y (en) * | 2009-02-23 | 2009-12-16 | 赵团员 | Integrated multistage biomass pool |
| CN201406367Y (en) * | 2009-05-27 | 2010-02-17 | 陆永成 | Duplex-ball-heated multistage fermentation biogas tank |
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| CN103641288A (en) * | 2013-12-13 | 2014-03-19 | 灵璧县林汇家禽育种有限责任公司 | Resource comprehensive utilization device used for treating animal dung |
| CN103693831A (en) * | 2013-12-13 | 2014-04-02 | 灵璧县林汇家禽育种有限责任公司 | Comprehensive recycling utilization system for processing animal dung |
| CN103641288B (en) * | 2013-12-13 | 2015-11-11 | 灵璧县林汇家禽育种有限责任公司 | For the treatment of the Resource comprehensive utilization device of fowl and animal excrement |
| CN103693831B (en) * | 2013-12-13 | 2016-05-11 | 灵璧县林汇家禽育种有限责任公司 | For the treatment of the comprehensive utilization of resources system of fowl and animal excrement |
| CN105712751A (en) * | 2016-01-21 | 2016-06-29 | 陈兰园 | Domestic refuse treatment system |
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