CN107955774A - A kind of marsh gas fermenting system - Google Patents

A kind of marsh gas fermenting system Download PDF

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Publication number
CN107955774A
CN107955774A CN201711422862.3A CN201711422862A CN107955774A CN 107955774 A CN107955774 A CN 107955774A CN 201711422862 A CN201711422862 A CN 201711422862A CN 107955774 A CN107955774 A CN 107955774A
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China
Prior art keywords
tank
pipe
pans
liquid
marsh gas
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Application number
CN201711422862.3A
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Chinese (zh)
Inventor
申忠勤
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Huaan Suzhou General Amperex Technology Ltd
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Huaan Suzhou General Amperex Technology Ltd
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Priority to CN201711422862.3A priority Critical patent/CN107955774A/en
Publication of CN107955774A publication Critical patent/CN107955774A/en
Withdrawn legal-status Critical Current

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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
    • C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/12—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
    • 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
    • C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
    • 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
    • C12M45/00—Means for pre-treatment of biological substances
    • C12M45/20—Heating; Cooling

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Genetics & Genomics (AREA)
  • Biomedical Technology (AREA)
  • Sustainable Development (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kind of marsh gas fermenting system, including vertically arranged pretreatment tank, pans and fermentation tank.Pretreatment tank is connected by the first feed pipe with pans, and pans are connected by the feed inlet of the second feed pipe and fermentation tank.First feed pipe is equipped with first switch valve, and the second feed pipe is equipped with second switch valve, and the top for pre-processing tank is equipped with solar heat collector, and pans are connected by compressed air pipe with compressed air source.Pretreatment tank is equipped with temperature sensor, and pans are equipped with level-sensing device, and compressed air pipe is equipped with the 3rd switch valve.The bottom of fermentation tank is equipped with the zymotic fluid outlet connected with liquid storage pond, the top of fermentation tank offers overflow port, the overflow port is connected by overflow pipe with liquid storage pond, overflow pipe is equipped with the liquid tank with atmosphere, extends one and its unconnected partition plate in top in liquid tank from its bottom to top.The configuration of the present invention is simple, energy consumption are low and anaerobic fermentation effect is good.

Description

A kind of marsh gas fermenting system
Technical field
The present invention relates to technical field of methane fermentation, more particularly to a kind of marsh gas fermenting system.
Background technology
Biogas is as a kind of novel energy, and using more and more extensive, biogas fermentation is also known as anaerobic digestion or anaerobic fermentation for it, Refer to organic substance (such as excrement of people and animals poultry, stalk, bits shell, weeds) under certain moisture, temperature and anaerobic condition, Flammable mixed gas using methane as main component, the combustibility mixed gas quilt are produced by anaerobe metabolism Referred to as biogas.
One complete biogas fermentation engineering, no matter its scale, all include following technological process：The receipts of raw material Collection, pretreatment, methane-generating pit fermentation, the post processing of discharging and the purification of biogas and storage etc., at present, fermentation raw material is in pretreatment section Be delivered to after having handled in methane-generating pit ferment during, be usually present conveyance conduit blocking, feedstock transportation stability difference and High energy consumption in fermentation system, the problems such as anaerobic fermentation effect is poor.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of biogas simple in structure, energy consumption is low and anaerobic fermentation effect is good Fermentation system.
In order to solve the above technical problem, the present invention provides a kind of marsh gas fermenting system, including vertically arranged pre- place Tank, pans and fermentation tank are managed, the pretreatment tank is connected by the first feed pipe with the pans, and the pans pass through Second feed pipe is connected with the feed inlet of the fermentation tank, and first feed pipe is equipped with first switch valve, described second into Expects pipe is equipped with second switch valve, and the top of the pretreatment tank is equipped with solar heat collector, the solar heat collector For heating the pretreatment tank, the pans are connected by a compressed air pipe with compressed air source；The pretreatment Tank is equipped with temperature sensor, and the pans are equipped with level-sensing device, and the compressed air pipe is equipped with the 3rd switch valve；Institute The bottom for stating fermentation tank is equipped with zymotic fluid outlet, and the zymotic fluid outlet is connected by a zymotic fluid delivery pipe and liquid storage pond Logical, the top of the fermentation tank offers overflow port, and the overflow port is connected by overflow pipe with the liquid storage pond, the overflow Pipe is equipped with liquid tank, extends a partition plate, and the partition plate and the liquid tank in the liquid tank from its bottom to top Top be not connected to, the bottom of the liquid tank is equipped with overflowing liquid import and overflowing liquid described in overflowing liquid import and overflow box outlet Outlet is distributed in the not homonymy of the partition plate, and the top of the liquid tank is equipped with the communicating pipe with atmosphere.
Further, the first switch valve, second switch valve and the 3rd switch valve are pneumatic on-off valve.
Further, the caliber of first feed pipe is more than the caliber of second feed pipe.
Further, waste residue outlet is offered in the bottom sidewall of the fermentation tank, and the waste residue outlet is set In the lower section of the zymotic fluid outlet, the waste residue outlet is connected by a screw conveyor with waste residue collecting pit.
Further, the zymotic fluid delivery pipe is equipped with centrifugal pump.
Further, the zymotic fluid delivery pipe branches out a circulation line, the fermentation tank after the centrifugal pump Top be equipped with refluxing opening, the outlet of the circulation line is connected with the refluxing opening.
Further, the circulation line is equipped with restriction orifice.
Further, the pressure of the compressed air is 2~3MPa
A kind of marsh gas fermenting system of the present invention, has the advantages that：
The marsh gas fermenting system of the present invention is simple in structure, including pretreatment tank, pans and fermentation tank, and pretreatment tank is used for To the heat pre-treatment of fermentation raw material, pass through the cell membrane wooden structure of heat pre-treatment destruction fermentation raw material so that proferment Material is easier to decompose, and is conducive to improve follow-up anaerobic fermentation effect, improves factor of created gase.
The top of pretreatment tank is equipped with solar heat collector, for heat pre-treatment tank, takes full advantage of solar energy, prevents Stop the consumption of additional energy, advantageously reduce the energy consumption of this fermentation system.
In addition, pans are used for the temporary charging into fermentation tank, by connecting compressed air pipe on pans, When needing charging, it can be entered by compressed air force feed raw material in fermentation tank, effectively prevent the blocking of feed pipe, protected The stability into material in fermentation tank has been demonstrate,proved, it is easy to operate.
The liquid tank that overflow pipe of the present invention is equipped with causes the discharging of fermentation tank to be more prone to, and can stablize in fermentation tank Pressure, avoids the Crystallization Plugging of overflow pipe.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of marsh gas fermenting system provided by the invention；
Figure label explanation：1- pre-processes tank, 2- pans, 3- fermentation tanks, 5- liquid storages pond, 6- liquid tanks, 7- spiral transferrings Send machine, 8- waste residue collecting pits, 9- centrifugal pumps, 11- solar heat collectors, 12- temperature sensors, 21- level-sensing devices, 31- fermentations Liquid outlet, 32- overflow ports, 33- waste residue outlets, 34- refluxing openings, 61- partition plates, 62- overflowing liquid imports, 63- overflowing liquids go out Mouthful, 64- communicating pipes, the first feed pipes of 101-, the second feed pipes of 102-, 103- compressed air pipes, 104- zymotic fluid delivery pipes, 105- overflow pipes, 106- circulation lines, 1011- first switch valves, 1021- second switch valves, the 3rd switch valves of 1031-, 1061- Restriction orifice.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with More fully understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
A kind of one embodiment of marsh gas fermenting system of the present invention, the marsh gas fermenting system include vertically arranged pretreatment Tank 1, pans 2 and fermentation tank 3, wherein, pretreatment tank 1 is used to pre-process fermentation raw material, and pans 2 are used for temporary warp The fermentation raw material after pretreatment tank 1 is handled is crossed, fermentation tank 3 is used to carry out fermentation raw material fermentation process generation biogas.
It is described pretreatment tank 1 be connected by the first feed pipe 101 with the pans 2, the pans 2 by second into Expects pipe 102 is connected with the feed inlet of the fermentation tank 3.Preferably, the caliber of first feed pipe 101 be more than described second into The caliber of expects pipe 102.
First feed pipe 101 is equipped with first switch valve 1011, and second feed pipe 102 is equipped with second switch Valve 1021, the top of the pretreatment tank 1 are equipped with solar heat collector 11, and the solar heat collector 11 is used to heat institute State pretreatment tank 1.
The pans 2 are connected by a compressed air pipe 103 with compressed air source, pass through compression so as to realize The fermentation raw material kept in pans 2 is delivered to fermentation in fermentation tank 3 by the force feed of air.Preferably, the compressed air Pressure is 2~3MPa.
The pretreatment tank 1 is equipped with temperature sensor 12, and the pans 2 are equipped with level-sensing device 21, and the compression is empty Feed channel 103 is equipped with the 3rd switch valve 1031.Preferably, the first switch valve 1011, second switch valve 1021 and the 3rd Switch valve 1031 is pneumatic on-off valve.It is of course also possible to selected as electric switching valve.
The bottom of the fermentation tank 3 is equipped with zymotic fluid outlet 31, and the zymotic fluid outlet 31 is defeated by a zymotic fluid Pipe 104 is sent to be connected with liquid storage pond 5, so as to which the zymotic fluid in fermentation tank 3 is expelled in liquid storage pond 5.
The top of the fermentation tank 3 offers overflow port 32, and the overflow port 32 passes through overflow pipe 105 and the liquid storage pond 5 connections, the overflow pipe 105 are equipped with liquid tank 6, extend a partition plate 61 from its bottom to top in the liquid tank 6, and The partition plate 61 and the top of the liquid tank 6 are not connected to, so that liquid tank 6 to be divided into the space of two parts connection.It is described The bottom of liquid tank 6 is equipped with overflowing liquid import 62 and overflow box outlet 63, and the overflowing liquid import 62 and overflow box outlet 63 divide Cloth is in the not homonymy of the partition plate 61, and overflowing liquid import 62 connects with the overflow port 32 of fermentation tank 3, overflow box outlet 63 and liquid storage Pond 5 connects, and the top of the liquid tank 6 is equipped with the communicating pipe 64 with atmosphere, thereby may be ensured that the overflow from fermentation tank 3 The overflowing liquid gone out is flowed in liquid storage pond 5 by liquid tank 6.
Waste residue outlet 33 is offered in the bottom sidewall of the fermentation tank 3, and the waste residue outlet 33 is arranged on institute The lower section of zymotic fluid outlet 31 is stated, the waste residue outlet 33 is connected by a screw conveyor 7 with waste residue collecting pit 8.
In one preferred embodiment, the zymotic fluid delivery pipe 104 is equipped with centrifugal pump 8, and the zymotic fluid is defeated Pipe 104 is sent to branch out a circulation line 106 after the centrifugal pump 8, the top of the fermentation tank 3 is equipped with refluxing opening 34, institute The outlet for stating circulation line 106 is connected with the refluxing opening 34 of the fermentation tank 3.The circulation line 106 is equipped with restriction orifice 1061。
A kind of marsh gas fermenting system of the present invention, has the advantages that：
The marsh gas fermenting system of the present invention includes pretreatment tank, pans and fermentation tank, and pretreatment tank is used for proferment The heat pre-treatment of material, the cell membrane wooden structure of fermentation raw material is destroyed by heat pre-treatment so that fermentation raw material is easier to Decompose, be conducive to improve follow-up anaerobic fermentation effect, improve factor of created gase.
The top of pretreatment tank is equipped with solar heat collector, for heat pre-treatment tank, takes full advantage of solar energy, prevents Stop the consumption of additional energy, advantageously reduce the energy consumption of this fermentation system.
In addition, pans are used for the temporary charging into fermentation tank, by connecting compressed air pipe on pans, When needing charging, it can be entered by compressed air force feed raw material in fermentation tank, effectively prevent the blocking of feed pipe, protected The stability into material in fermentation tank has been demonstrate,proved, it is easy to operate.
The liquid tank that overflow pipe of the present invention is equipped with causes the discharging of fermentation tank to be more prone to, and can stablize in fermentation tank Pressure, avoids the Crystallization Plugging of overflow pipe.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention Protection domain within.Protection scope of the present invention is subject to claims.

Claims (8)

1. a kind of marsh gas fermenting system, it is characterised in that including vertically arranged pretreatment tank (1), pans (2) and fermentation tank (3), the pretreatment tank (1) is connected by the first feed pipe (101) with the pans (2), and the pans (2) pass through the Two feed pipes (102) are connected with the feed inlet of the fermentation tank (3), and first feed pipe (101) is equipped with first switch valve (1011), second feed pipe (102) is equipped with second switch valve (1021), and the top of the pretreatment tank (1) is equipped with too Positive energy heating unit (11), the solar heat collector (11) are used to heat the pretreatment tank (1), the pans (2) Connected by a compressed air pipe (103) with compressed air source；The pretreatment tank (1) is equipped with temperature sensor (12), The pans (2) are equipped with level-sensing device (21), and the compressed air pipe (103) is equipped with the 3rd switch valve (1031)；Institute The bottom for stating fermentation tank (3) is equipped with zymotic fluid outlet (31), and the zymotic fluid outlet (31) passes through a zymotic fluid delivery pipe (104) connected with liquid storage pond (5), the top of the fermentation tank (3) offers overflow port (32), and the overflow port (32) is by overflowing Flow tube (105) is connected with the liquid storage pond (5), and the overflow pipe (105) is equipped with liquid tank (6), in the liquid tank (6) from A partition plate (61) is extended in its bottom to top, and the partition plate (61) is at the top of the liquid tank (6) with being not connected to, the liquid The bottom of body tank (6) is equipped with overflowing liquid import (62) and overflow box outlet (63), and the overflowing liquid import (62) and overflowing liquid go out Mouth (63) is distributed in the not homonymy of the partition plate (61), and the top of the liquid tank (6) is equipped with the communicating pipe with atmosphere (64)。
2. a kind of marsh gas fermenting system as claimed in claim 1, it is characterised in that the first switch valve (1011), second Switch valve (1021) and the 3rd switch valve (1031) are pneumatic on-off valve.
A kind of 3. marsh gas fermenting system as claimed in claim 1, it is characterised in that the caliber of first feed pipe (101) More than the caliber of second feed pipe (102).
4. a kind of marsh gas fermenting system as claimed in claim 1, it is characterised in that in the bottom sidewall of the fermentation tank (3) Waste residue outlet (33) is offered, and the waste residue outlet (33) is arranged on the lower section of the zymotic fluid outlet (31), institute Waste residue outlet (33) is stated to connect with waste residue collecting pit (8) by a screw conveyor (7).
5. a kind of marsh gas fermenting system as claimed in claim 1, it is characterised in that set on the zymotic fluid delivery pipe (104) There is centrifugal pump (9).
6. a kind of marsh gas fermenting system as claimed in claim 5, it is characterised in that the zymotic fluid delivery pipe (104) is in institute State centrifugal pump (9) and branch out a circulation line (106) afterwards, the top of the fermentation tank (3) is equipped with refluxing opening (34), described to follow The outlet on endless tube road (106) is connected with the refluxing opening (34) of the fermentation tank (3).
7. a kind of marsh gas fermenting system as claimed in claim 6, it is characterised in that the circulation line (106) is equipped with limit Discharge orifice plate (1061).
A kind of 8. marsh gas fermenting system as claimed in claim 1, it is characterised in that the pressure of the compressed air for 2~ 3MPa。
CN201711422862.3A 2017-12-25 2017-12-25 A kind of marsh gas fermenting system Withdrawn CN107955774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711422862.3A CN107955774A (en) 2017-12-25 2017-12-25 A kind of marsh gas fermenting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711422862.3A CN107955774A (en) 2017-12-25 2017-12-25 A kind of marsh gas fermenting system

Publications (1)

Publication Number Publication Date
CN107955774A true CN107955774A (en) 2018-04-24

Family

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Family Applications (1)

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CN201711422862.3A Withdrawn CN107955774A (en) 2017-12-25 2017-12-25 A kind of marsh gas fermenting system

Country Status (1)

Country Link
CN (1) CN107955774A (en)

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Application publication date: 20180424

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