CN208472102U - A kind of micro- oxygen aeration anaerobic fermentation reaction system - Google Patents
A kind of micro- oxygen aeration anaerobic fermentation reaction system Download PDFInfo
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- CN208472102U CN208472102U CN201820434756.0U CN201820434756U CN208472102U CN 208472102 U CN208472102 U CN 208472102U CN 201820434756 U CN201820434756 U CN 201820434756U CN 208472102 U CN208472102 U CN 208472102U
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Abstract
The utility model provides a kind of micro- oxygen aeration anaerobic fermentation reaction system, belong to the technical field that straw anaerobic produces biogas, including anaerobic gas generation tank, the anaerobic gas generation tank includes exhaust outlet, blowing mouth, anaerobic gas generation tank built-in machines agitating device and thermostat can control anaerobic gas generation tank by mechanical motor, and blowing mouth is fixed with aeration head towards anaerobic gas generation tank inner opposite end；Including aerator, the aerator includes air pump and aeration tube, and the aeration tube one end connects blowing mouth, and one end connects air pump, and air pump is equipped with flowmeter；The exhaust outlet is connect by hose with gas flowmeter.The advantages of the utility model has structure simple, improves stalk hydrolysis efficiency and speed, improves methane gas producing amount, produces air volume convenient for observation anaerobic fermentation tank, measures output gas componant.
Description
Technical field
The utility model discloses a kind of micro- oxygen to be aerated anaerobic fermentation reaction system, is related to the technology that straw anaerobic produces biogas
Field.
Background technique
China is as a large agricultural country, with the increase of grain yield, can probably generate more than 700,000,000 tons of farming every year
The processing mode of object stalk, open incineration stalk easily causes the wasting of resources, there are atmosphere pollution, the problems such as fire safety evaluating hidden danger.
Secondary use is carried out as the raw material of anaerobic fermentation to stalk to carry out degradation digestion to stalk with anaerobe, that is, solve
Open incineration stalk of having determined produce the problem of, and the biogas that one of can produce clean energy resource.Agricultural crop straw is rich in organic matter,
Its wood fibre content is relatively high, and traditional anaerobic fermentation mode is difficult to the wood fibre in degradable digestion stalk, leads
Causing stalk hydrolysis slowly, hydrolysis degree is low, and then affects subsequent acidification and gasification, and it is long that there are anaerobic digestion times,
The problems such as digestibility is low, and gas production is low.
Utility model content
The utility model relates to a kind of micro- oxygen it is aerated anaerobic fermentation reaction system, the stalk in the prior art of solution hydrolyzes
Speed is slow, and hydrolysis is not thorough, the low technical problem of hydrolysis degree.
To solve the above problems, the scheme that the utility model uses is a kind of micro- oxygen aeration anaerobic fermentation reaction system, packet
Include: anaerobic gas generation tank, the anaerobic gas generation tank have feedstock input, and exhaust outlet is fixed with stirring in the anaerobic gas generation tank
Device；
Motor, the motor are linked with anaerobic gas generation tank；
Aerator, the aerator include air pump, aeration tube, and the aeration tube one end is connect with air pump, the other end
Entering in anaerobic gas generation tank from feedstock input, aeration tube extends into anaerobic gas generation tank, and aeration tube elongated end is equipped with aeration head,
The air pump is equipped with flowmeter, and the flowmeter is connect by hose with the air pump；
Automatic temp controller.
Automatic temperature control apparatus is the prior art, installs automatic temp controller in anaerobic gas generation tank, can enable anaerobism
In the range of temperature in production gas tank maintains 39 ± 1 DEG C, the efficient digestive environments of ruminant tumor gastric are simulated.
As further preferably, the aeration head is located at the bottom end of anaerobic gas generation tank.
As further preferably, the aeration head is the unclosed formation of aeration tube elongated end.
As further, preferably, the anaerobic gas generation tank, which is equipped with, collects port, and the collection port passes through gas collecting tube and gas collection
Bag connection.
Staff can carry out composition measurement to the gas that collection airbag is collected, and understand the operating status of anaerobic gas generation tank.
As further preferably, the exhaust outlet is connect by hose with gas flowmeter.
Exhaust outlet connects gas flowmeter, on the one hand can detecte gas flow convenient for staff, measures gas volume,
On the other hand gas, equilibrium air pressure can be excluded.
As further preferably, the gas collecting tube selects hose.
As further preferably, the automatic temp controller selects collet temperature control assembling device.
Working principle: smashed stalk and inoculum are entered in anaerobic gas generation tank from feedstock input, pass through machine
Tool agitating device after mixing evenly and continues to stir, and automatic temp controller will produce model of the control of the temperature in gas tank at 39 ± 1 DEG C
In enclosing, the efficient digestive environments of ruminant tumor gastric are simulated by mechanical stirring device and automatic temp controller, flowmeter control into
Enter the gas in anaerobic gas generation tank, every to be aerated for 24 hours to the feed liquid in anaerobic gas generation tank, aeration intensity 0.083ml/L/
D realizes being fully hydrolyzed for stalk, and the biogas for hydrolyzing generation is acted on by internal pressure enters collection airbag and gas flowmeter, and work people
Gas componant in member's measurement collection airbag, measures gas volume by gas flowmeter.
The utility model has the advantages that a kind of micro- oxygen provided by the utility model is aerated anaerobic fermentation reaction system, pass through temperature automatically controlled dress
It sets, mechanical stirring device, aerator the simulation efficient digestive environments of ruminant tumor gastric, promotes effective hydrolysis of stalk, improve
The efficiency of stalk hydrolysis, and it is easy to operate, it is at low cost；Biogas is acted on by internal pressure directly enters collection airbag from collection port, is convenient for
Staff carries out composition measurement to the gas that anaerobic gas generation tank generates, and understands the working condition of anaerobic gas generation tank；Exhaust outlet is logical
It crosses hose to connect with gasometer, volume metering is carried out to the biogas that anaerobic gas generation tank is discharged convenient for staff, and adjust
The air pressure of anaerobic fermentation tank, is discharged gas in time.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the longitudal section figure of anaerobic gas generation tank.
Description of drawing identification
1- anaerobic gas generation tank；2- motor；3- air pump；31- aeration tube；32- aeration head；4- flowmeter；5- airbag；51- collection
Tracheae；6- agitating device；7- feedstock input；8- exhaust outlet；9- collection port.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, a kind of micro- oxygen aeration anaerobic fermentation reaction system includes anaerobic gas generation tank 1, anaerobic gas generation tank
1 controls work by motor 2, is provided on anaerobic gas generation tank 1 with feedstock input 7, exhaust outlet 8, fixed in anaerobic gas generation tank 1
There is agitating device 6, which is the prior art, is controlled by motor 2 and stirring action occurs.It is passed through by smashed stalk
Entered in anaerobic gas generation tank 1 by feedstock input 7, inoculum also enters in anaerobic gas generation tank 1 via feedstock input 7, the two
Into after anaerobic gas generation tank 1, agitating device 6 starts to stir, and stirring generates feed liquid, in order to further simulate ruminant tumor gastric height
Digestive environments are imitated, are provided with automatic temp controller (not drawn in the figure) in anaerobic gas generation tank 1, automatic temp controller is existing
There is technology, can be with by filling constant temperature water management temperature, automatic temperature controlling can also use temperature strip band and water-bath temperature control
Two kinds of temperature regulating devices, automatic temp controller maintain the temperature produced in gas tank within the scope of 39 ± 1 DEG C, simulate ruminant tumor gastric
The temperature environment efficiently digested provides good environment for stalk hydrolysis, in order to realize better constant-temperature temperature-control effect, this reality
It applies example and selects collet temperature regulating device, collet temperature control is the prior art, refers to and inlays one layer of glass on the outside of anaerobic gas generation tank
Layer, glassy layer are equipped with voided layer, are full of isothermal liquid in voided layer, anaerobic fermentation tank is enabled to maintain stationary temperature.Collet temperature control
Device is the prior art, not drawn in the figure.
As depicted in figs. 1 and 2, this micro- oxygen aeration anaerobic fermentation system further includes aerator, and aerator includes air pump
3, aeration tube 31,31 one end of the aeration tube is fixedly connected with air pump 3, and the other end enters anaerobic gas generation via feedstock input 7
The inside of tank 1, aeration tube 31 enter subsequent renew in anaerobic gas generation tank 1 and stretch, and elongated end is equipped with aeration head 32, aeration head 32
It is 31 elongated end of aeration tube in open state, aeration tube 31 can extend to the bottom of anaerobic gas generation tank 1.Aerator is anaerobism
Produce gas tank 1 and aerating gas be provided, aeration frequencies and intensity are controlled by flowmeter 4, in this embodiment, aeration frequencies be for 24 hours,
Aeration intensity is 0.083ml/L/d, and for enhanced aeration effect, the extending bottom to anaerobic gas generation tank 1 of aeration tube 31 is enabled
Aeration head 32 is located at the liquid level of feed liquid in anaerobic gas generation tank 1 hereinafter, optimization aeration effect.
As depicted in figs. 1 and 2, exhaust outlet 8 is connect by one section of hose with gas flowmeter, convenient on the one hand excluding gas
Body, equilibrium air pressure；Another aspect detection gas flow records produced gas volume.Anaerobic gas generation tank 1 is additionally provided with collection port 9, collection
Port 9 is connect by gas collecting tube 51 with collection airbag 5, and biogas is entered in collection airbag 5 by internal pressure, and staff can be to collection airbag
Gas in 5 carries out composition measurement, observes the working condition of anaerobic gas generation tank in real time, and gas collecting tube 51 can choose hose；Measurement
Mouth 10 is connect by hose with gas flowmeter, directly carries out volume metering to biogas convenient for staff.
Gas tank equipment is produced as research object to reequip laboratory 10L automatic stirring glass, and aerator and gas are simulated in self-control
Bag increases aeration tube, and experimental temperature is controlled the micro- oxygen simulated in the present embodiment at 39 DEG C and is aerated anaerobic fermentation system, by it
For experimental group, for control group without aeration, experimental group and control group fermentation raw material are the corn stover after pulverization process, are crushed
To partial size < 1cm, stalk charging is 15g/L, and inoculum is applicant laboratory sludge, liquid amount 10L, with control group phase
Than experimental group aeration intensity is 0.083ml/L/d.Set time records gas production and methane concentration, per period specific data
As shown in table 1.
The micro- oxygen of table 1 is aerated environment to using stalk as the influence of substrate methane production
It can be seen that the final methane volumetric of control group is only 9.29L, micro- oxygen aeration anaerobism hair described in experimental group, that is, the present embodiment
The final methane volumetric of ferment system is 12.47L, and the methane yield of compared with the control group, experimental group improves 34.2%.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of micro- oxygen is aerated anaerobic fermentation reaction system characterized by comprising
Anaerobic gas generation tank (1), the anaerobic gas generation tank (1) have feedstock input (7), exhaust outlet (8), the anaerobic gas generation tank
(1) internal to be fixed with agitating device (6)；
Motor (2), the motor (2) link with anaerobic gas generation tank (1)；
Aerator, the aerator include air pump (3), and aeration tube (31), the aeration tube (31) one end and air pump (3) are even
It connects, the other end enters in anaerobic gas generation tank (1) from feedstock input (7), and aeration tube (31) prolongs to anaerobic gas generation tank (1) is internal
It stretches, aeration tube (31) elongated end is equipped with aeration head (32), and the air pump (3) is equipped with flowmeter, and the flowmeter passes through hose
It is connect with the air pump (3)；
Automatic temp controller.
2. a kind of micro- oxygen according to claim 1 is aerated anaerobic fermentation reaction system, which is characterized in that the aeration head
(32) it is located at the bottom of anaerobic gas generation tank (1).
3. a kind of micro- oxygen according to claim 2 is aerated anaerobic fermentation reaction system, which is characterized in that the aeration head
It (32) is the unclosed formation of aeration tube (31) elongated end.
4. a kind of micro- oxygen according to claim 3 is aerated anaerobic fermentation reaction system, which is characterized in that the anaerobic gas generation
Tank (1) is equipped with collection port (9), and the collection port (9) is connect by gas collecting tube (51) with collection airbag (5).
5. a kind of micro- oxygen according to claim 4 is aerated anaerobic fermentation reaction system, which is characterized in that the exhaust outlet
(8) it is connect by hose with gas flowmeter.
6. a kind of micro- oxygen aeration anaerobic fermentation reaction system according to claim 4-5 any one, which is characterized in that institute
It states gas collecting tube (51) and selects hose.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820434756.0U CN208472102U (en) | 2018-03-29 | 2018-03-29 | A kind of micro- oxygen aeration anaerobic fermentation reaction system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725155A (en) * | 2021-02-07 | 2021-04-30 | 中国华电科工集团有限公司 | Biomass biogas preparation device and preparation method |
| CN115466751A (en) * | 2022-10-11 | 2022-12-13 | 贵州大学 | Promote high intrinsic quick-witted discarded object CH that contains 4 Yield and H 2 Method and device for controlling S rate |
| CN118064266A (en) * | 2024-04-22 | 2024-05-24 | 中国农业科学院农业环境与可持续发展研究所 | Micro-oxygen fermentation methane potential testing device |
-
2018
- 2018-03-29 CN CN201820434756.0U patent/CN208472102U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725155A (en) * | 2021-02-07 | 2021-04-30 | 中国华电科工集团有限公司 | Biomass biogas preparation device and preparation method |
| CN115466751A (en) * | 2022-10-11 | 2022-12-13 | 贵州大学 | Promote high intrinsic quick-witted discarded object CH that contains 4 Yield and H 2 Method and device for controlling S rate |
| CN115466751B (en) * | 2022-10-11 | 2023-09-22 | 贵州大学 | Promote high inherent quick-witted discarded object CH that contains 4 Yield and H 2 Method and device for S control rate |
| CN118064266A (en) * | 2024-04-22 | 2024-05-24 | 中国农业科学院农业环境与可持续发展研究所 | Micro-oxygen fermentation methane potential testing device |
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