CN101974410B - Five-stage anaerobic methane reactor - Google Patents
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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 five-stage anaerobic methane reactor, is a kind of methanogenic reactor of novel life that adopts the Pyatyi fractional anaerobic to generate methane, and it can be town and country industrial and agricultural production and people and lives and process 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 five-stage 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 the organic Anaerobic Digestion such as industrial sewage, sanitary sewage, domestic refuse, fowl and animal excrement, agricultural crop straw.
Two, background technology
At present, the five-stage anaerobic methane reactor that also there is no this form, existing biogas engineering, major part is all the one-level anaerobic reaction device, also having a small amount of is secondary (two-phase) or three grades (three-phase) reaction, methane content generally all between 55-65%, and can not form a kind of batch production product, can not be applied to extensive energy supply.Simultaneously because traditional marsh-gas fermentation tank forms methane on mode, lack needed reaction process repeatedly in the microbial reaction process, therefore, produce biogas slower, 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), if do not given the feed liquid of fermentation, heat, cold district firedamp gas equipment in winter just can not normally be used, or use again a large amount of energy to the firedamp gas equipment conducting self-heating, working cost is very large, the phenomenon that causes some users not re-use.And traditional firedamp gas equipment efficiency is low, volume is difficult to greatly realize that batch production moulding and mechanized form methane, firedamp gas equipment seepage gas phenomenon ubiquity, 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, require to promote biogas in No. 1 file of continuous 6 years in recent years central authorities, and bring in 4,000,000,000,000 domestic demand scopes and people's livelihood engineering, promoted.To the end of the year 2009, relevant department statistics, existing approximately 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, is more and more 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 approximately more than 6%, but it is very low to administer utilization ratio, as big cities such as Beijing and Shanghai, be only 3%～8%, city also only has 5%～15% preferably; Approximately there is the hundreds of thousands of man in the enterprise of discharge of industrial wastes water, big-and-middle-sized breeding enterprise approximately has several ten thousand, agricultural crop straw approximately millions of tons in every year, the improvement that these organic wastes are current 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, develops new substitute energy extremely urgent.
We are if by these resources employing biogas processing, for generating, 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 the biogas produced.Therefore, the development of new marsh gas reactor is imperative, in the urgent need to.
Three, summary of the invention
The present invention will provide a kind of five-stage anaerobic methane reactor, it is a kind of employing Pyatyi (five phases) anaerobism, produce the device of high density methane (biogas), the five-stage anaerobic methane reactor has improved the concentration that generates methane efficiency 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 the past lacks on biogas generation method feed liquid reaction process repeatedly, can again the water of anaerobism outlet be carried out to aerobic fermentation again and produce into middle water qualified discharge, not form 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 discharged in aerobic reaction to heat to upper and lower anaerobic pond, thereby reduce self consuming energy in anaerobic reaction.Feed liquid enters from feed tank, after the digestion of one-level anaerobic pond, the foreign material of hard degradation are discharged by residue extraction machine from slag notch, the feed liquid of again the one-level anaerobic pond having been degraded and, 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 is also used (directly as fertilizer sources use of feed liquid here) as liquid storage tank simultaneously; Make feed liquid unnecessary after fertile through distributing, enter in Aerobic Pond carry out aerobic digestion again generate in after water, qualified discharge.Methane gas from one-level through the space of holding pad up-flow to secondary, the methane gas in secondary sprays into three grades of anaerobic ponds through methane boosting pipe and methane jet pipe and reacts purification again.
Realization of the present invention, technical solution is a kind of five-stage anaerobic methane reactor, mainly cover plate two (2), feed tank (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 boosting pipe (26), methane jet pipe (27), feed liquor material mouth (30), level Four anaerobic pond (31), Pyatyi anaerobic pond (45) and Aerobic Pond (41), consists of.Wherein methane boosting pipe (26), methane jet pipe (27) spray into subordinate's anaerobic pond by the methane gas of higher level's anaerobic pond and react purification again; Air water up-flow mouth (25) is straight-through by 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; Feed tank (4) is provided with sand discharging pump (5) He Gelan (6); In material-output tank (11), be provided with rotary slag discharge machine (10), filter plate (12) and recycle pump (13); The top of level Four anaerobic pond (31) and Pyatyi anaerobic pond (45) is equipped with water seal tank (24) and gas skirt (23); Between level Four anaerobic pond (31) and overflow port (21), be provided with upflow tube (20).It is characterized in that: secondary anaerobic pond (9) are located at the top in 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 upper lower storage reservoir heating with the heat produced in Aerobic Pond (41); Feed liquor material mouth (30) is arranged at highest point, can make liquid material from flowing to three grades of anaerobic ponds (18), level Four anaerobic pond (31), Pyatyi anaerobic pond (45), Aerobic Pond (41) and feed tank (4); The methane gas that methane jet pipe (27) produces the higher level sprays into reaction purification again in subordinate's anaerobic pond, produces the methane gas that content is high; Gas skirt (23) directly buckles in 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 in feed tank, to be provided with grid, cover plate one, cover plate two and sand discharging pump, before sewage enters grid, foreign material in sewage are kept off by lattice, the stalk of pulverizing and the organic waste after go-on-go can be directly from entering (opening cover plate two chargings) after grid, the silt be deposited at the bottom of 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 degrading 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 to Pyatyi, further improve the methane content in 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 separately is placed under the height of level Four anaerobic pond, by a recycle pump, can supply feed liquid, energy-saving simple by all devices more than anaerobic pond to three grades.
Realization of the present invention, technical solution are that gas skirt directly buckles in 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 and has the following advantages with existing conventional firedamp gas equipment:
One, adapt to extensively.Because the present invention is provided with holding pad between one-level anaerobic pond and secondary anaerobic pond, at material-output tank, be provided with the rotary slag discharge machine, all kinds of organic wastes such as rubbish, stalk, ight soil all can carry out the anaerobically fermenting processing, and can realize the mass-producing processing.
Two, methane content is high.Because the present invention is provided with the Pyatyi anaerobic pond, the methane content in combustible gas that anaerobically fermenting produces is brought up to more than 80% by present 55%～65%.
Three, energy consumption is low.Due to the present invention, feed liquor material mouth is located to the highest point of all devices, a pump just can be given 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 three grades of anaerobic ponds, utilizes the aerobic heat energy discharged to the heating of the fermentation raw material in upper 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 by a large amount of easily floating objects easily sunk, feed liquid after 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 material-output tank and discharge, and do not form floating shell sediment phenomenon.
Five, adopt gas skirt method gas collection, good airproof performance, 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 application.Unnecessary feed liquid is further decomposed through the Aerobic Pond aerobic fermentation, can make the feed liquid of discharging become the clear water discharge.
Four, accompanying drawing explanation
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is principle assumption diagram of the present invention, not limited by this figure.
In Fig. 1: 1, cover plate 1, cover plate 23, advance sewage mouth 4, feed tank 5, sand discharging pump 6, grid 7, one-level anaerobic pond 8, binder leads to card 9, secondary anaerobic pond 10, rotary slag discharge machine 11, material-output tank 12, filter plate 13, recycle pump 14 filter residue pond 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 boosting pipe 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 feed tank (4) by advancing sewage mouth (3), after grid (6), enters one-level anaerobic pond (7) fermentation.One-level anaerobic pond (7) and secondary anaerobic pond (9) are that acidified degradation is main.Fermented liquid after degraded enters subordinate's anaerobic pond fermentative production methane gas.In operational process, in Aerobic Pond (41), the aerobic heat produced is to the feed liquid heating of anaerobically fermenting.Pyatyi anaerobic pond (45) be anaerobic pond be also liquid storage tank (directly take out do Fertilizer application).Unnecessary liquid material is through connecting leg (17), and current limiting tube (19) flows into aerobic treatment in 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 in feed liquid and after the reaction purification, is used by methane gas output tube (43) output through methane jet pipe (27).In service as open recycle pump (13), open simultaneously liquid separatnig valve (16), the feed liquid that just can carry out between one-level anaerobic pond (7), three grades of anaerobic ponds (18) and level Four anaerobic pond (31) circulates.
Embodiments of the invention are achieved in that
Feed tank of the present invention (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 with cement, sand, stone, building, can be also with metal sheet, to be welded into work in-process in factory, to field assembly.Sand discharging pump (5), grid (6), rotary slag discharge 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 use known method.Printing opacity protection canopy (22) is to use the light transmissive material site operations such as polycarbonate sheet (PC sunlight board) or glass.
When the user used, first by the work in-process of having produced in factory, the equipment such as standard equipment, the accessory scene of moving to, with reference to accompanying drawing 1, assembled one by one, or, after the cast in situs shaping, after examination water leak test is qualified, can come into operation.During use, with reference to Fig. 1, feed liquid is dropped into to feed tank (4), ON cycle pump (13), feed liquid brings into operation after by feeding liquid pipe (36), feed liquor material mouth (30) and feed liquid isocon (35), flowing into three grades of anaerobic ponds (18).After water in Aerobic Pond (41) is full, open blower fan (39), whole system can be moved automatically again.While making feed liquid make fertilizer, opening Pump for giving-out (47) gets final product.Regularly unlatching rotary slag discharge machine (10), mud valve (15) get final product deslagging, spoil disposal.ON cycle pump (13), open liquid separatnig valve (16) simultaneously, the feed liquid in one-level in system, three grades, level Four is namely capable of circulation, forms dynamic formula and stirs.Burner connects upper methane gas output tube (43) and namely uses methane gas.
Claims (1)
1. a five-stage anaerobic methane reactor, comprise cover plate two (2), feed tank (4), grid (6) one-level anaerobic pond (7), binder leads to card (8), secondary anaerobic pond (9), rotary slag discharge machine (10), material-output tank (11), filter plate (12), recycle pump (13), connecting leg (17), three grades of anaerobic ponds (18), current limiting tube (19), upflow tube (20), overflow port (21), gas skirt (23), water seal tank (24), air water up-flow mouth (25), methane boosting pipe (26), methane jet pipe (27), secondary manhole (29), feed liquor material mouth (30), level Four anaerobic pond (31), methane connecting leg (32), drain pipe (33), flow-limiting valve (34), feed liquid isocon (35), feeding liquid pipe (36), Aerobic Pond (41), methane gas output tube (43), liquid distributor (44), Pyatyi anaerobic pond (45), be communicated with pond (46) and Pump for giving-out (47), wherein: feed liquid enters one-level anaerobic pond (7) through grid (6), secondary anaerobic pond (9), then through rotary slag discharge machine (10), material-output tank (11), filter plate (12) is pumped by recycle pump (13), through feeding liquid pipe (36), feed liquor material mouth (30), feed liquid isocon (35) flows into three grades of anaerobic ponds (18), then overflows into level Four anaerobic pond (31) through air water up-flow mouth (25), then through drain pipe (33), flow-limiting valve (34), liquid distributor (44) flows into Pyatyi anaerobic pond (45), and the methane that one-level anaerobic pond (7) produces leads to card (8) up-flow to secondary anaerobic pond (9) through binder, then through secondary manhole (29), methane boosting pipe (26), methane jet pipe (27) sprays into three grades of anaerobic ponds (18), then through air water up-flow mouth (25) up-flow to level Four anaerobic pond (31), then through methane connecting leg (32), methane jet pipe (27) sprays into Pyatyi anaerobic pond (45), by methane gas output tube (43) output, used, it is characterized in that: between one-level anaerobic pond (7) and secondary anaerobic pond (9), be provided with the logical card (8) of binder, between secondary anaerobic pond (9) and three grades of anaerobic ponds (18), be separated with Aerobic Pond (41), three grades of anaerobic ponds (18) are located at Aerobic Pond (41) top, level Four anaerobic pond (31) is located at three grades of anaerobic ponds (18) top, Pyatyi anaerobic pond (45) is located at outside, level Four anaerobic pond (31) Pyatyi anaerobic pond (45) top is equipped with water seal tank (24), gas skirt (23), with gas skirt (23), collect the methane gas in level Four anaerobic pond (31) and Pyatyi anaerobic pond (45), ON cycle pump (13), close flow-limiting valve (34), liquid material flows into feed tank (4) through connecting leg (17), and the liquid material flow circuit in the formation system is provided with Pump for giving-out (47) within being communicated with pond (46), the slag liquid pump is gone out, open cover plate two (2) and can directly put into the stalk of pulverizing.
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| CN2010102947686A CN101974410B (en) | 2010-09-28 | 2010-09-28 | Five-stage anaerobic methane reactor |
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| CN2010102947686A CN101974410B (en) | 2010-09-28 | 2010-09-28 | Five-stage anaerobic methane reactor |
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| CN101974410B true CN101974410B (en) | 2013-11-27 |
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| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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