CN114672401A - Constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment - Google Patents
Constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment Download PDFInfo
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- CN114672401A CN114672401A CN202210546083.9A CN202210546083A CN114672401A CN 114672401 A CN114672401 A CN 114672401A CN 202210546083 A CN202210546083 A CN 202210546083A CN 114672401 A CN114672401 A CN 114672401A
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- tank body
- fermentation tank
- anaerobic
- fermentation
- aerobic
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- 238000000855 fermentation Methods 0.000 title claims abstract description 70
- 238000010564 aerobic fermentation Methods 0.000 title claims abstract description 14
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 14
- 239000002699 waste material Substances 0.000 title abstract description 6
- 230000004151 fermentation Effects 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000005273 aeration Methods 0.000 claims abstract description 18
- 238000004321 preservation Methods 0.000 claims abstract description 13
- 238000005276 aerator Methods 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 238000005070 sampling Methods 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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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
- 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
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/24—Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
-
- 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
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
Abstract
A constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment aims at effectively maintaining the optimal fermentation temperature and realizing the switching of anaerobic/aerobic environments, the top of a fermentation tank body is provided with a feed inlet, the bottom of the fermentation tank body is provided with a discharge outlet, and the discharge outlet is provided with a gate valve; the wall surface in the tank body is provided with a heat preservation coil pipe, and the outer side of the fermentation tank body is provided with a water inlet and a water outlet; an aeration pipeline is arranged at the lower end in the tank body, an aerator is arranged above the aeration pipeline, and an air inlet is arranged at the outer side of the tank body; the bottom end of the tank body is provided with a supporting leg; a tank cover is arranged at the top end of the tank body, a sampling port is reserved in the tank cover, and a sealing gate is arranged at the sampling port; the tank cover is provided with a biogas outlet, and the biogas outlet is provided with a stop valve; the support is installed to the cover, is fixed with the motor in the support, and the motor is connected with the oar post that gets into jar internal portion, and oar post surface mounting has rotatory paddle. The invention has compact structure and simple use, can carry out anaerobic and aerobic reactions on the waste vegetables in a single tank, and can effectively reduce the floor area of equipment and the initial investment.
Description
Technical Field
The invention relates to the field of anaerobic fermentation, in particular to a constant-temperature anaerobic/aerobic fermentation technology.
Background
The fermentation refers to a process of decomposing organic matters by using microorganisms, and the requirements of the microorganisms on the environments such as temperature, oxygen and the like need to be met in the fermentation process. At present, the traditional fermentation equipment can be divided into an aerobic type and an anaerobic type, the two types are generally combined in the fermentation process, and the temperature and aerobic conditions of the two types are respectively met, so that the large area of the fermentation equipment is occupied, the initial investment of the equipment is increased, and the optimal temperature for anaerobic fermentation and aerobic fermentation is difficult to maintain simultaneously.
In order to solve the above problems, for example, chinese patent publication No. CN207276616U discloses a facultative anaerobic aerobic fermentation tank, which includes a fermentation tank body, a flame inoculation port on the body, a fixed sleeve nut, and an inverted T-shaped silica gel plug. When the device works, the silica gel plug can be sleeved on the flame inoculation port to realize the conversion from aerobic environment to anaerobic environment, the floor area of the device can be effectively reduced, the initial investment is reduced, but the device can only meet the requirement of fermentation microorganisms on the oxygen environment, and the device cannot maintain the optimal fermentation temperature.
At present, no fermentation device which can meet the optimal fermentation temperature and can switch anaerobic/aerobic environments exists at home and abroad.
Disclosure of Invention
The invention aims to effectively maintain the optimal fermentation temperature and realize the switching of anaerobic/aerobic environments.
The invention relates to a constant-temperature anaerobic/aerobic fermentation tank for tail vegetable treatment, which comprises a fermentation tank body 1, wherein the top of the fermentation tank body 1 is provided with a feeding hole a, the bottom of the fermentation tank body is provided with a discharging hole b, and the discharging hole b is provided with a gate valve C; the inner wall surface of the fermentation tank body 1 is provided with a heat preservation coil pipe 8, and the outer side of the fermentation tank body 1 is provided with a water inlet c and a water outlet d; an aeration pipeline 9 is arranged at the lower end in the fermentation tank body 1, an aerator 10 is arranged above the aeration pipeline, and an air inlet e is arranged at the outer side of the fermentation tank body 1; the bottom end of the fermentation tank body 1 is provided with a supporting leg 3; the top end of the fermentation tank body 1 is provided with a tank cover 2, an overhaul inlet 11 is reserved in the tank cover 2, a sealing gate B is arranged at the overhaul inlet 11, the tank cover 2 is provided with a methane outlet f, and the methane outlet f is provided with a stop valve A; the tank cover 2 is provided with a support 4, a motor 5 is fixed in the support 4, the motor 5 is connected with a column 6 entering the tank body 1, and a rotating blade 7 is arranged on the surface of the column 6.
The invention has the beneficial effects that: the tank body has simple structure, compact distribution of parts and simple use, can carry out anaerobic and aerobic reaction on the waste vegetables in a single tank, and can effectively reduce the floor area of the equipment and reduce the initial investment compared with the traditional anaerobic and aerobic equipment. The substrate can be heated by the built-in coil pipe in the anaerobic mode, and the fermentation tank can be cooled by the built-in coil pipe in the aerobic mode, so that the proper temperature of anaerobic and aerobic reactions can be effectively maintained. The conversion of anaerobic and aerobic modes can be realized through different connection modes between pipeline valves, and a sampling port is reserved at the top to facilitate sampling observation and equipment maintenance, so that the normal occurrence of anaerobic/aerobic reaction can be ensured.
Drawings
FIG. 1 is a schematic view showing the structure of a constant-temperature anaerobic/aerobic fermentation tank, FIG. 2 is a sectional view of the constant-temperature anaerobic/aerobic fermentation tank, FIG. 3 is a plan view of the constant-temperature anaerobic/aerobic fermentation tank, FIG. 4 is a structural view of an aeration coil, in which: 1. a fermentation tank body; 2. a can cover; 3. a support leg; 4. a motor bracket; 5. a motor; 6. a column of paddles; 7. rotating the paddle; 8. a heat preservation coil pipe; 9. an aeration pipe; 10. an aerator; 11. a sampling hatch door; a. a feed inlet; b. a discharge port; c. a water inlet; d. a water outlet; e. an air inlet; f. a biogas outlet; A. a stop valve; B. sealing the gate; C. and (4) a discharge gate valve.
Detailed Description
The invention relates to a constant-temperature anaerobic/aerobic fermentation tank for tail vegetable treatment, which comprises a fermentation tank body 1, wherein the top of the fermentation tank body 1 is provided with a feeding hole a, the bottom of the fermentation tank body is provided with a discharging hole b, and the discharging hole b is provided with a gate valve C; the inner wall surface of the fermentation tank body 1 is provided with a heat preservation coil pipe 8, and the outer side of the fermentation tank body 1 is provided with a water inlet c and a water outlet d; an aeration pipeline 9 is arranged at the lower end in the fermentation tank body 1, an aerator 10 is arranged above the aeration pipeline, and an air inlet e is arranged at the outer side of the fermentation tank body 1; the bottom end of the fermentation tank body 1 is provided with a supporting leg 3; the top end of the fermentation tank body 1 is provided with a tank cover 2, an overhaul inlet 11 is reserved in the tank cover 2, a sealing gate B is arranged at the overhaul inlet 11, the tank cover 2 is provided with a methane outlet f, and the methane outlet f is provided with a stop valve A; the tank cover 2 is provided with a support 4, a motor 5 is fixed in the support 4, the motor 5 is connected with a column 6 entering the tank body 1, and a rotating blade 7 is arranged on the surface of the column 6.
The included angle between the feed inlet a of the fermentation tank and the tangent plane of the tank body 1 is 120 degrees, and the joint is welded.
The fermentation tank is characterized in that the fermentation tank discharge port b and the tank body 1 are welded, a sealing reinforcing piece is installed at the welding position, and the reinforcing piece and the tank body 1 are fixedly connected in a sealing mode through screws.
It arranges for clockwise invariable pitch spiral that heat preservation coil pipe 8 above, the number of turns is 6 circles, is connected for the welding with 1 inboard of the jar body.
The water inlet c and the water outlet d of the heat-insulating coil pipe 8 are welded with the tank body 1, the welding part is provided with a sealing reinforcing piece, and the reinforcing piece is fixedly connected with the tank body 1 in a sealing way through screws.
The aeration pipelines 9 are arranged in a circular cross shape, the air inlet e and the tank body 1 are connected by welding, the welding part is provided with a sealing reinforcing piece, and the reinforcing piece and the tank body 1 are fixedly connected in a sealing way through screws.
The tank cover 2 and the tank body 1 are fixedly connected through screws in a sealing mode.
The rotating blades 7 are spirally arranged in a clockwise constant pitch, the number of turns is 1.75, and the rotating blades are connected with the propeller column 6 in a welding mode.
The invention is further developed by the following combined drawings. As shown in fig. 1-4, the constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment comprises a fermentation tank body 1, a tank cover 2, support legs 3, a motor support 4, a motor 5, a propeller column 6, a rotating paddle 7, a heat preservation coil 8, an aeration pipeline 9, an aerator 10 and a sampling cabin door 11, wherein the tank body 1 is fixedly connected with the tank cover 2 through fastening screws, the tank body 1 is welded with the support legs 3, the motor support 4 is fixedly connected with the tank cover 2 through fastening screws, the motor support 4 is welded with the motor 5, the propeller column 6 is welded with the rotating paddle 7, the heat preservation coil 8 is welded with the tank body 1, the aeration pipeline 9 is welded with the tank body 1, the aerator 10 is welded with the aeration pipeline 9, and the sampling cabin door 11 is fixedly connected with the tank cover 2 through screw sealing.
As shown in fig. 1-4, the included angle between the feed inlet a and the tangent plane of the tank body 1 is 120 degrees, and the joint is welded, the feed outlet b and the tank body 1 are welded, the welding position is provided with a sealing reinforcing member, and the reinforcing member is fixedly connected with the tank body 1 in a screw sealing manner, the water inlet c and the water outlet d of the heat preservation coil 8 are connected with the tank body 1 in a welding manner, the welding position is provided with a sealing reinforcing member, and the reinforcing member is fixedly connected with the tank body 1 in a screw manner; the air inlet e of the aeration pipeline 9 is welded with the tank body 1, a sealing reinforcing member is arranged at the welding position, and the reinforcing member is fixedly connected with the tank body 1 through screws.
As shown in fig. 1 to 4, a stop valve a is installed at the methane outlet f and can discharge methane outwards; a sealing gate B is arranged at the sampling cabin door 11, so that sampling observation and equipment maintenance are facilitated; a gate valve C is arranged at the discharge port b and can control the discharge of the tank body; water with different temperatures can be introduced into a water inlet c of the heat-preservation coil pipe 8 to maintain the proper temperature in the anaerobic/aerobic process; and an air inlet e for introducing oxygen into the tank through an aeration pipeline 9 and an aerator 10.
The working process of the invention is as follows: the invention feeds materials from a feeding hole a through connecting with the pretreatment link of upstream fermentation raw materials, opens a valve C to discharge materials from a discharging hole b after the fermentation process is finished, drives a propeller column 6 and a blade 7 to rotate in the fermentation process to ensure that the materials in the fermentation process are fully mixed, heat-preservation water enters a coil pipe 8 from a water inlet C to fully exchange heat with the fermentation raw materials after the temperature is adjusted, flows out of the coil pipe from a water outlet d to be recycled, and samples are taken through a sampling cabin door 11 to monitor the fermentation process. In the aerobic mode, a sampling cabin door 11 is opened, oxygen is introduced into the aeration coil 9 from the air inlet e, and the oxygen and the materials are fully mixed through an aerator 10.
The invention is not the best known technology.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. A constant temperature anaerobism/aerobic fermentation jar for tail dish is handled, including the fermentation tank body (1), its characterized in that: a feed inlet (a) is formed in the top of the fermentation tank body (1), a discharge outlet (b) is formed in the bottom of the fermentation tank body, and a gate valve (C) is installed at the discharge outlet (b); the inner wall surface of the fermentation tank body (1) is provided with a heat preservation coil pipe (8), and the outer side of the fermentation tank body (1) is provided with a water inlet (c) and a water outlet (d); an aeration pipeline (9) is arranged at the lower end in the fermentation tank body (1), an aerator (10) is arranged above the aeration pipeline, and an air inlet (e) is arranged at the outer side of the fermentation tank body (1); the bottom end of the fermentation tank body (1) is provided with a supporting leg (3); the top end of the fermentation tank body (1) is provided with a tank cover (2), an overhaul inlet (11) is reserved in the tank cover (2), a sealing gate (B) is installed at the overhaul inlet (11), the tank cover (2) is provided with a methane outlet (f), and a stop valve (A) is installed at the methane outlet (f); support (4) are installed in cover (2), are fixed with motor (5) in support (4), and motor (5) are connected with oar post (6) that get into jar body (1) inside, and oar post (6) surface mounting has rotatory paddle (7).
2. The isothermal anaerobic/aerobic fermentor for treatment of tailed vegetables according to claim 1, characterized in that: the included angle between the feed inlet (a) of the fermentation tank and the tangent plane of the tank body (1) is 120 degrees, and the joint is welded.
3. The isothermal anaerobic/aerobic fermentor for treatment of tailed vegetables according to claim 1, characterized in that: the fermentation tank is characterized in that the fermentation tank discharge port (b) and the tank body (1) are welded, a sealing reinforcing piece is installed at the welding position, and the reinforcing piece and the tank body (1) are fixedly connected in a sealing mode through screws.
4. The isothermal anaerobic/aerobic fermentation tank for tail dish treatment according to claim 1, wherein: the heat preservation coil pipe (8) is spirally arranged in a clockwise constant pitch, the number of turns is 6, and the heat preservation coil pipe is connected with the inner side of the tank body (1) in a welding mode.
5. The isothermal anaerobic/aerobic fermentor for treatment of tailed vegetables according to claim 4, characterized by: the water inlet (c) and the water outlet (d) of the heat-insulating coil pipe (8) are connected with the tank body (1) by welding, a sealing reinforcing piece is arranged at the welding position, and the reinforcing piece is fixedly connected with the tank body (1) in a sealing way through screws.
6. The isothermal anaerobic/aerobic fermentor for treatment of tailed vegetables according to claim 1, characterized in that: the aeration pipelines (9) are arranged in a circular cross shape, the air inlet (e) and the tank body (1) are connected by welding, the welding part is provided with a sealing reinforcing piece, and the reinforcing piece and the tank body (1) are fixedly connected in a sealing way through screws.
7. The isothermal anaerobic/aerobic fermentor for treatment of tailed vegetables according to claim 1, characterized in that: the tank cover (2) is fixedly connected with the tank body (1) through screws in a sealing manner.
8. The isothermal anaerobic/aerobic fermentor for treatment of tailed vegetables according to claim 1, characterized in that: the rotating blades (7) are spirally arranged in a clockwise constant pitch, the number of turns is 1.75, and the rotating blades are connected with the propeller column (6) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546083.9A CN114672401A (en) | 2022-05-20 | 2022-05-20 | Constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546083.9A CN114672401A (en) | 2022-05-20 | 2022-05-20 | Constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment |
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| Publication Number | Publication Date |
|---|---|
| CN114672401A true CN114672401A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210546083.9A Pending CN114672401A (en) | 2022-05-20 | 2022-05-20 | Constant-temperature anaerobic/aerobic fermentation tank for waste vegetable treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114686406A (en) * | 2022-05-13 | 2022-07-01 | 兰州理工大学 | Solar PVT (physical vapor pressure temperature) controlled anaerobic and aerobic fermentation agricultural and animal waste rapid treatment method |
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2022
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