CN103773676A - Integrated organic household garbage dry-process anaerobic fermentation device and method - Google Patents

Integrated organic household garbage dry-process anaerobic fermentation device and method Download PDF

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CN103773676A
CN103773676A CN201410031044.0A CN201410031044A CN103773676A CN 103773676 A CN103773676 A CN 103773676A CN 201410031044 A CN201410031044 A CN 201410031044A CN 103773676 A CN103773676 A CN 103773676A
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reaction zone
natural pond
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port valve
pond liquid
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CN103773676B (en
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吴伟祥
邓潇雅
王昊书
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Zhejiang University ZJU
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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
    • 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
    • C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
    • 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
    • C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature

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Abstract

The invention discloses an integrated organic household garbage dry-process anaerobic fermentation device which comprises a first reaction region, a second reaction region, a biogas slurry circulating reflowing pipe and a vertical biogas slurry discharging pipe, wherein the first reaction region and the second reaction region are connected through an acidolysis solution outlet separating different reaction region gases. According to the integrated organic household garbage dry-process anaerobic fermentation device, fermentation gases between different reaction regions are respectively collected, and separation of a hydrolysis acid liquor and a solid phase material is promoted; through arranging the biogas slurry circulating reflowing device, the acidolysis solution internally circulates through a biogas slurry circulating pipe and a water distributing device so as to reflow and overturn, and thus biological sludge is prevented from being settled and accumulated. The integrated organic household garbage dry-process anaerobic fermentation device realizes anaerobic phase-separation fermentation, and solid-liquid-gas three-phase separation, and keeps higher fermentation microorganism concentration and activity so that the whole fermentation system is more stable and higher in efficiency. The whole system is compact in structure, small in occupation area and clear in function division.

Description

Integral type organic domestic waste dry-process anaerobic fermentation device and method thereof
Technical field
The present invention relates to a kind of organic domestic waste treatment unit and treatment process thereof, is a kind of integral type organic domestic waste dry-process anaerobic fermentation device and method thereof specifically.
Background technology
China's Municipal Domestic Garbage Output constantly increases, and treatment process is numerous.Traditional treatment process can not meet the needs of environment protection and health.For reduce domestic refuse on ecotope and HUMAN HEALTH impact, must active development organic waste treatment technology.Because organic content is high, be suitable for taking biotransformation method to process.While adopting anaerobic biological process to process organic waste, the function of fermentor tank is that whole fermenting process is very complicated, relates to the synergy of multiple-microorganism for microorganism growth, breeding provide better growing conditions.Homogenous anaerobic zymotechnique easily occurs that ammonia suppresses and acidifying phenomenon, suppresses the metabolism of methanogen.Therefore, adopt split-phase type anaerobic ferment process to come into one's own, but existing split-phase type anaerobic ferment process mostly is the combination of split type reactor, one-time investment is large, complicated operation.So, design a kind of anaerobic ferment devices that integrates acidication and anaerobically fermenting product natural pond, the recycling of organic domestic waste is had to huge promoter action.
Summary of the invention
The object of this invention is to provide a kind of integral type organic domestic waste dry-process anaerobic fermentation device and method thereof, to solve the defects such as current anaerobic fermentation system fluctuation of service, efficiency be low.
Integral type organic domestic waste dry-process anaerobic fermentation device of the present invention, comprise the material feeding pipe of coaxial line device from inside to outside, inner cylindrical tube and outside cylinder tank, outside cylinder tank deck face is stretched out on the top of material feeding pipe, and two-port valve I is installed, the bottom of material feeding pipe extends apart from 20 ~ 40 cm places, inner cylindrical tube bottom, outside cylinder tank is surrounded by one layer of heat preservation layer outward, it is conical that the bottom of outside cylinder tank is, the conical vertex of a cone is established natural pond slag delivery pipe, on the slag delivery pipe of natural pond, there is two-port valve III, the upper end of inner cylindrical tube and the face seal of outside cylinder tank deck, the taper shape cone end sealing of the lower end of inner cylindrical tube and outside cylinder pot bottom, inner cylindrical tube is the 1st reaction zone, the cavity forming between inner cylindrical tube and outside cylinder tank is the 2nd reaction zone, the 1st reaction zone and the 2nd reaction zone volume ratio are 2 ~ 7.4, the firedamp drainage pipe II being connected with the 1st reaction zone and the firedamp drainage pipe I being connected with the 2nd reaction zone are arranged at the top of outside cylinder tank, in firedamp drainage pipe II, there is two-port valve VIII, in firedamp drainage pipe I, there is two-port valve VII, on inner cylindrical tube, 10 ~ 20cm place, distance top is provided with annular acid hydrolysis solution outlet, ring-type water-distributing device is arranged at the bottom of the 2nd reaction zone, on water-distributing device, there are 3 ~ 5 holes, one side of the 2nd reaction zone is provided with natural pond liquid pump around circuit pipe, the upper end of natural pond liquid pump around circuit pipe is communicated with the natural pond liquid outlet on the 2nd top, reaction zone, the lower end of natural pond liquid pump around circuit pipe enters the 2nd reaction zone and is connected with water-distributing device, on the liquid pump around circuit pipe of natural pond, be provided with peristaltic pump and two-port valve II, the opposite side of the 2nd reaction zone is provided with the vertical natural pond liquid delivery pipe being communicated with the 2nd bottom, reaction zone, on the liquid delivery pipe of vertical natural pond, interval arranges 3 ~ 5 natural pond liquid discharge outlets, each discharge outlet has respectively two-port valve.
Utilize the method for above-mentioned device dry anaerobic fermentation organic domestic waste, it is characterized in that: organic domestic waste is heated to 55 ℃～60 ℃, from semicontinuous first reaction zone that enters of material feeding pipe, by the two-port valve III control input speed on the two-port valve I on feed-pipe and natural pond slag delivery pipe and natural pond slag discharge rate, material is stopped 4 ~ 10 days at 55 ℃～60 ℃ temperature; The gas that the 1st reaction zone fermentation produces is discharged from firedamp drainage pipe II, the acid hydrolysis solution that fermentation produces enters the 2nd reaction zone from acid hydrolysis solution outlet, opening peristaltic pump makes acid hydrolysis solution carry out internal recycle by natural pond liquid circulation tube and water-distributing device, prevent that biological sludge from precipitating, control acid hydrolysis solution and stop 14-30 days in the 2nd reaction zone, open spaced 3 ~ 5 natural pond liquid discharge outlet discharge acid hydrolysis solutions on the liquid delivery pipe of vertical natural pond, the gas that the 2nd reaction zone fermentation produces is discharged from firedamp drainage pipe I.
The present invention has following beneficial effect:
The present invention has not only realized anaerobism phase-splitting fermentation, and solid-liquid-gas three phase separates, and keeps higher organism of fermentation concentration and activity simultaneously, makes whole fermentation system more stable, and usefulness is higher.Overall system structure compactness, floor space is little, and function zoning is clearly demarcated.
Accompanying drawing explanation
Fig. 1 is the structural representation of anaerobic ferment devices of the present invention.
In figure: 1, two-port valve I, 2, material feeding pipe, 3, inner cylindrical tube, 3-1, the 1st reaction zone,
4, acid hydrolysis solution outlet, 5, outside cylinder tank, 5-1, the 2nd reaction zone, 6, natural pond liquid outlet, 7, natural pond liquid pump around circuit pipe, 8, peristaltic pump, 9, two-port valve II, 11, water-distributing device, 12, natural pond slag delivery pipe, 13, two-port valve III, 14, thermal insulation layer, 15, vertical natural pond liquid delivery pipe, 16, two-port valve IV, 17, natural pond liquid discharge outlet I, 18, two-port valve V, 19, natural pond liquid discharge outlet II, 20, two-port valve VI, 21, natural pond liquid discharge outlet III, 22, firedamp drainage pipe I, 23, two-port valve VII, 24, firedamp drainage pipe II, 25, two-port valve VIII.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, integral type organic domestic waste dry-process anaerobic fermentation device of the present invention, comprise the material feeding pipe 2 of coaxial line device from inside to outside, inner cylindrical tube 3 and outside cylinder tank 5, outside cylinder tank 5 end faces are stretched out on the top of material feeding pipe 2, and two-port valve I 1 is installed, the bottom of material feeding pipe 2 extends apart from 20 ~ 40 cm places, inner cylindrical tube 3 bottom, the outer one layer of heat preservation layer 14 that is surrounded by of outside cylinder tank 5, it is conical that the bottom of outside cylinder tank 5 is, the conical vertex of a cone is established natural pond slag delivery pipe 12, on natural pond slag delivery pipe 12, there is two-port valve III 13, the upper end of inner cylindrical tube 3 and the 5 end face sealings of outside cylinder tank, the taper shape cone end sealing of the lower end of inner cylindrical tube 3 and outside cylinder tank 5 bottoms, inner cylindrical tube 3 is the 1st reaction zone 3-1, the cavity forming between inner cylindrical tube 3 and outside cylinder tank 5 is the 2nd reaction zone 5-1, the 1st reaction zone and the 2nd reaction zone volume ratio are 2 ~ 7.4, the firedamp drainage pipe II 24 being connected with the 1st reaction zone 3-1 and the firedamp drainage pipe I 22 being connected with the 2nd reaction zone 5-1 are arranged at the top of outside cylinder tank 5, in firedamp drainage pipe II 24, there is two-port valve VIII 25, in firedamp drainage pipe I 22, there is two-port valve VII 23, on inner cylindrical tube 3,10 ~ 20cm place, distance top is provided with annular acid hydrolysis solution outlet 4, ring-type water-distributing device is arranged at the bottom of the 2nd reaction zone 5-1, on water-distributing device, there are 3 ~ 5 holes, a side of the 2nd reaction zone 5-1 is provided with natural pond liquid pump around circuit pipe 7, the upper end of natural pond liquid pump around circuit pipe 7 is communicated with the natural pond liquid outlet 6 on the 2nd 5-1 top, reaction zone, the lower end of natural pond liquid pump around circuit pipe 7 enters the 2nd reaction zone 5-1 and is connected with water-distributing device 11, on natural pond liquid pump around circuit pipe 7, be provided with peristaltic pump 8 and two-port valve II 9, the opposite side of the 2nd reaction zone 5-1 is provided with the vertical natural pond liquid delivery pipe 15 being communicated with the 2nd bottom, reaction zone, in illustrated example, on the liquid delivery pipe 15 of vertical natural pond, interval arranges 3 natural pond liquid discharge outlets, be respectively natural pond liquid discharge outlet I 17, natural pond liquid discharge outlet II 19 and natural pond liquid discharge outlet III 21, on each discharge outlet, respectively there is two-port valve, be respectively two-port valve IV 16, two-port valve V 18 and two-port valve VI 20.
When fermentor tank operation, it is the semi continuous feed mode of 8 ~ 12 hours that the organic domestic waste that is heated to 55 ℃～60 ℃ is taked to the timed interval, enter the first reaction zone 3-1 from material feeding pipe 2, control input speed by the two-port valve I 1 on feed-pipe, control natural pond slag discharge rate by the two-port valve III 13 on natural pond, cone bottom slag delivery pipe 12, making material residence time at 55 ℃～60 ℃ temperature is 4 ~ 10 days, highly filled organic domestic waste is in the 1st reaction zone 3-1 acidifying that is hydrolyzed, biomass are through changing into acid hydrolysis solution after acidication, the larger natural pond of density slag is deposited to tank base cone and discharges from natural pond slag delivery pipe 12, the gas that fermentation produces is discharged from firedamp drainage pipe II 24, the acid hydrolysis solution that fermentation produces enters the 2nd reaction zone 5-1 from acid hydrolysis solution outlet 4, opening peristaltic pump 8 makes acid hydrolysis solution carry out the backflow rolling of internal recycle formation by natural pond liquid circulation tube and water-distributing device, prevent that biological sludge from precipitation occurring and accumulate, be conducive to biological sludge contacts with the effective of biomass in the 2nd reaction zone 5-1, promote anaerobically fermenting to produce natural pond, the gas that the 2nd reaction zone 5-1 fermentation produces is discharged from firedamp drainage pipe I 22.Control acid hydrolysis solution and at 55 ℃～60 ℃ temperature, stop 14-30 days at the 2nd reaction zone 5-1, open spaced 3 ~ 5 natural pond liquid discharge outlet discharge acid hydrolysis solutions on the liquid delivery pipe of vertical natural pond, move the discharge outlet discharge natural pond liquid that the different residence time adopts different positions, for example, in the time that the residence time is 14 days, open natural pond liquid discharge outlet I 17, in the time that the residence time is 30 days, open natural pond liquid discharge outlet III 21.

Claims (2)

1. integral type organic domestic waste dry-process anaerobic fermentation device, it is characterized in that: comprise the material feeding pipe (2) of coaxial line device from inside to outside, inner cylindrical tube (3) and outside cylinder tank (5), outside cylinder tank (5) end face is stretched out on the top of material feeding pipe (2), and two-port valve I (1) is installed, the bottom of material feeding pipe (2) extends apart from 20 ~ 40 cm places, inner cylindrical tube (3) bottom, the outer one layer of heat preservation layer (14) that is surrounded by of outside cylinder tank (5), it is conical that the bottom of outside cylinder tank (5) is, the conical vertex of a cone is established natural pond slag delivery pipe (12), on natural pond slag delivery pipe (12), there is two-port valve III (13), the upper end of inner cylindrical tube (3) and the sealing of outside cylinder tank (5) end face, the taper shape cone end sealing of the lower end of inner cylindrical tube (3) and outside cylinder tank (5) bottom, inner cylindrical tube (3) is the 1st reaction zone (3-1), the cavity forming between inner cylindrical tube (3) and outside cylinder tank (5) is the 2nd reaction zone (5-1), the 1st reaction zone and the 2nd reaction zone volume ratio are 2 ~ 7.4, the firedamp drainage pipe II (24) being connected with the 1st reaction zone (3-1) and the firedamp drainage pipe I (22) being connected with the 2nd reaction zone (5-1) are arranged at the top of outside cylinder tank (5), in firedamp drainage pipe II (24), there is two-port valve VIII (25), in firedamp drainage pipe I (22), there is two-port valve VII (23), at the upper distance top of inner cylindrical tube (3), 10 ~ 20cm place is provided with annular acid hydrolysis solution outlet (4), ring-type water-distributing device is arranged at the bottom of the 2nd reaction zone (5-1), on water-distributing device, there are 3 ~ 5 holes, one side of the 2nd reaction zone (5-1) is provided with natural pond liquid pump around circuit pipe (7), the upper end of natural pond liquid pump around circuit pipe (7) is communicated with the natural pond liquid outlet (6) on the 2nd top, reaction zone (5-1), the lower end of natural pond liquid pump around circuit pipe (7) enters the 2nd reaction zone (5-1) and is connected with water-distributing device (11), on natural pond liquid pump around circuit pipe (7), be provided with peristaltic pump (8) and two-port valve II (9), the opposite side of the 2nd reaction zone (5-1) is provided with the vertical natural pond liquid delivery pipe (15) being communicated with the 2nd bottom, reaction zone, the upper interval of vertical natural pond liquid delivery pipe (15) arranges 3 ~ 5 natural pond liquid discharge outlets, each discharge outlet has respectively two-port valve.
2. utilize the method for the device dry anaerobic fermentation organic domestic waste described in claim 1, it is characterized in that: organic domestic waste is heated to 55 ℃～60 ℃, from semicontinuous the first reaction zone (3-1) that enters of material feeding pipe (2), control input speed and natural pond slag discharge rate by the two-port valve III (13) on two-port valve I (1) and natural pond slag delivery pipe (12) on feed-pipe, material is stopped 4 ~ 10 days at 55 ℃～60 ℃ temperature; The gas that the 1st reaction zone fermentation produces is discharged from firedamp drainage pipe II (24), the acid hydrolysis solution that fermentation produces enters the 2nd reaction zone (5-1) from acid hydrolysis solution outlet (4), opening peristaltic pump (8) makes acid hydrolysis solution carry out internal recycle by natural pond liquid circulation tube and water-distributing device, prevent that biological sludge from precipitating, control acid hydrolysis solution and stop 14-30 days in the 2nd reaction zone, open spaced 3 ~ 5 natural pond liquid discharge outlet discharge acid hydrolysis solutions on the liquid delivery pipe of vertical natural pond, the gas that the 2nd reaction zone fermentation produces is discharged from firedamp drainage pipe I (22).
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104787997A (en) * 2015-04-13 2015-07-22 河南师范大学 Heat recycling type sludge fermentation tower
CN107445435A (en) * 2017-09-27 2017-12-08 广西田阳县创新农业综合开发有限公司 A kind of ecological treatment system of breeding integration
CN109337800A (en) * 2018-12-05 2019-02-15 北京天极视讯科技发展有限公司 A kind of hydrolysis acidification and anaerobic fermentation integrated device
CN109517730A (en) * 2018-12-29 2019-03-26 启迪桑德环境资源股份有限公司 A kind of half dry type diphasic anaerobic fermentor
CN115626705A (en) * 2022-11-03 2023-01-20 中国石油化工股份有限公司 Anaerobic reactor for sewage treatment
CN115626704A (en) * 2022-11-03 2023-01-20 中国石油化工股份有限公司 Anaerobic reactor for sewage treatment

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CN101514066A (en) * 2009-03-27 2009-08-26 哈尔滨工业大学 New technology for IEC anaerobic reaction and device thereof
CN101817586A (en) * 2009-02-26 2010-09-01 山东振龙生物化工集团有限公司 Spiral-flow water-distribution hydrocyclone internal-circulation anaerobic reactor
CN201883042U (en) * 2010-11-30 2011-06-29 中国环境科学研究院 Column-type anaerobic-aerobic integrated fermentation device
CN103173348A (en) * 2011-12-22 2013-06-26 新奥科技发展有限公司 Two-phase integrated dry-type anaerobic digestion reactor and treatment method thereof
CN203754712U (en) * 2014-01-23 2014-08-06 浙江大学 Integrated dry-process anaerobic fermentation device for organic household garbage

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN101817586A (en) * 2009-02-26 2010-09-01 山东振龙生物化工集团有限公司 Spiral-flow water-distribution hydrocyclone internal-circulation anaerobic reactor
CN101514066A (en) * 2009-03-27 2009-08-26 哈尔滨工业大学 New technology for IEC anaerobic reaction and device thereof
CN201883042U (en) * 2010-11-30 2011-06-29 中国环境科学研究院 Column-type anaerobic-aerobic integrated fermentation device
CN103173348A (en) * 2011-12-22 2013-06-26 新奥科技发展有限公司 Two-phase integrated dry-type anaerobic digestion reactor and treatment method thereof
CN203754712U (en) * 2014-01-23 2014-08-06 浙江大学 Integrated dry-process anaerobic fermentation device for organic household garbage

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104787997A (en) * 2015-04-13 2015-07-22 河南师范大学 Heat recycling type sludge fermentation tower
CN107445435A (en) * 2017-09-27 2017-12-08 广西田阳县创新农业综合开发有限公司 A kind of ecological treatment system of breeding integration
CN107445435B (en) * 2017-09-27 2020-09-04 广西田阳县创新农业综合开发有限公司 Planting and breeding integrated ecological treatment system
CN109337800A (en) * 2018-12-05 2019-02-15 北京天极视讯科技发展有限公司 A kind of hydrolysis acidification and anaerobic fermentation integrated device
CN109517730A (en) * 2018-12-29 2019-03-26 启迪桑德环境资源股份有限公司 A kind of half dry type diphasic anaerobic fermentor
CN115626705A (en) * 2022-11-03 2023-01-20 中国石油化工股份有限公司 Anaerobic reactor for sewage treatment
CN115626704A (en) * 2022-11-03 2023-01-20 中国石油化工股份有限公司 Anaerobic reactor for sewage treatment
CN115626704B (en) * 2022-11-03 2024-08-20 中国石油化工股份有限公司 Anaerobic reactor for sewage treatment
CN115626705B (en) * 2022-11-03 2024-08-20 中国石油化工股份有限公司 Anaerobic reactor for sewage treatment

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