CN217868892U - Large-scale dry-type horizontal fermentation cylinder - Google Patents
Large-scale dry-type horizontal fermentation cylinder Download PDFInfo
- Publication number
- CN217868892U CN217868892U CN202220921755.5U CN202220921755U CN217868892U CN 217868892 U CN217868892 U CN 217868892U CN 202220921755 U CN202220921755 U CN 202220921755U CN 217868892 U CN217868892 U CN 217868892U
- Authority
- CN
- China
- Prior art keywords
- stirring
- jar
- tank body
- heating device
- jar body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 26
- 230000004151 fermentation Effects 0.000 title claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000002485 combustion reaction Methods 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000000813 microbial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a large-scale dry-type horizontal fermentation cylinder, which comprises a tank body, jar body top intercommunication has gas collection mechanism, jar body one side is equipped with the feed inlet, the internal rabbling mechanism that extends about being equipped with of jar, the mechanism one end of rabbling is connected with and is located the external motor of jar, the jar is gone up along stirring direction of delivery interval in proper order and is provided with a plurality of heating device, and every heating device all corresponds and is equipped with the thermodetector that is used for detecting the internal temperature of jar, jar body upper portion intercommunication has the overflow pipe, is provided with the relief valve on this overflow pipe. So that the gas production is uniform, the fermentation efficiency is improved, and the safety accidents are avoided.
Description
Technical Field
The utility model relates to a biogas fermentation technical field, concretely relates to large-scale dry-type horizontal fermentation cylinder.
Background
Along with the improvement of the environmental awareness of people and the continuous popularization of garbage classification, the kitchen garbage can be independently recycled and then subjected to resource treatment. The kitchen garbage belongs to a special and difficultly-disposed urban garbage, has the characteristics of high moisture and grease contents, has the characteristics of high organic matter content, easy decay, stink generation, germ breeding, rich nitrogen, phosphorus, potassium, calcium and various trace elements, high recycling value and the like. Therefore, if the treatment is not performed well, the spread of pathogenic bacteria can be caused, the environment is seriously influenced, and simultaneously, the waste of organic matters is caused.
While anaerobic fermentation is a microbial action process, temperature is an important factor influencing the life activity process of microorganisms, and the growth rate of the microorganisms and the metabolism rate of substrates are influenced mainly by influencing enzyme activity. Generally, the temperature is required to be kept within the range of 55-65 ℃, the existing heating mode is nonuniform in heating, the temperature in the tank body close to a feeding port is low (the temperature of an incoming dry material is about 20 ℃, the water content in the tank body is low, the flowability is poor, the existing heating mode is used for centralized heating, the temperature in the tank is nonuniform), the fermentation is difficult, a centralized fermentation gas generation section is arranged at the middle rear part of the horizontal tank body, the temperature is higher under the action of fermentation heat release, the temperature in the tank body is nonuniform, the fermentation is not favorable, the local gas generation is high, a large amount of water froth is brought by gas, the exhaust hole is blocked, the pressure in the tank is high, and safety accidents are easily caused, so that a fermentation device capable of heating in a sectional mode is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem existing in the prior art, and provides a large-scale dry-type horizontal fermentation tank with special innovation, which can carry out sectional heating, and maintain the temperature of the tank body at 55-65 ℃, so that the gas production is uniform, the fermentation efficiency is improved, and the safety accident is avoided.
In order to realize the above object of the utility model, the utility model provides a large-scale dry-type horizontal fermentation cylinder, which comprises a tank body, jar body top gas vent is connected with gas collection mechanism, jar body one side is equipped with the feed inlet, the internal rabbling mechanism that extends about extending of jar, the being connected with of rabbling mechanism one end is located the external motor of jar, be provided with a plurality of heating device along stirring direction of delivery interval in proper order on the jar body, every heating device all corresponds to be equipped with the thermodetector that is used for detecting the internal temperature of jar, jar body upper portion intercommunication has the overflow pipe, is provided with the relief valve on this overflow pipe.
In the scheme, the method comprises the following steps: the heating device is an electric heating patch which is attached to the lower side of the tank body.
In the scheme, the method comprises the following steps: the heating device is a combustion chamber positioned below the tank body, the gas collection mechanism is communicated with the combustion chambers through a gas supply pipe, and each combustion chamber is provided with a monitoring mechanism for controlling the methane conveying speed. Can provide heat by using self-generated methane as combustion energy, maintain the external temperature required by microbial fermentation, and reduce energy consumption.
In the scheme, the method comprises the following steps: the stirring mechanism comprises a left stirring shaft and a right stirring shaft which extend, stirring blades are sequentially arranged on the stirring shaft along the axis extending direction of the stirring shaft at intervals, the stirring blades are connected with the stirring shaft through stirring arms, and the stirring blades are spiral by taking the stirring shaft as a spiral center.
In the scheme, the method comprises the following steps: adjacent stirring vane sets up 90 mutually in a staggered way, can improve the efficiency of transmission again when the stirring, reasonable in design.
In the scheme, the method comprises the following steps: the ends of the stirring blades extend towards the left and right adjacent stirring blades, so that the stirring range of each stirring blade is partially overlapped with the stirring range of the adjacent stirring blade. Reduce the dead angle, improve stirring efficiency.
In the scheme, the method comprises the following steps: the rotating speed of the stirring mechanism is lower than 10r/min, so that the microbial fermentation is facilitated.
In the scheme, the method comprises the following steps: the pressure detector is arranged in the tank body, the pressure signal output end of the pressure detector is connected with the pressure signal input end of the control unit, the air inlet end of the air collection mechanism is provided with the air pump, the driving signal input end of the air pump is connected with the air pumping signal output end of the control unit, and when the pressure in the tank body of the pressure detector exceeds a set value, the control unit drives the air pump to pump the gas in the tank body into the air collection mechanism, so that the safety of the tank body is improved, and explosion caused by too large air pressure in the tank body is avoided.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the sectional type heating can be carried out, the temperature of each section of the horizontal tank body is uniform, if the heating temperature is increased when the material is fed, the temperature when the material is fed can be kept at 55-65 ℃, and the heating temperature can be properly reduced when the material is arranged at the middle rear part, the temperature is controlled at 55-65 ℃, the maximum gas production rate is ensured, the gas production is uniform, the gas outlet and the gas exhaust pipeline are not easy to block, the fermentation is started when the material is fed, the time required by the fermentation is shortened, the fermentation efficiency is improved, and safety accidents are avoided.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic system diagram according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a schematic system diagram according to a second embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Example one
As shown in fig. 1-2, a large dry horizontal fermentation tank comprises a tank body 1, wherein the large tank body is a tank body with the volume generally larger than 100 cubic meters. The air outlet at the top of the tank body 1 is connected with an air collecting mechanism 3. Jar body 1 one side is equipped with the feed inlet, specifically sets up in the left side, and the rabbling mechanism of extending about jar internal being equipped with, the rabbling mechanism one end be connected with be located jar external motor 2 of body 1, and motor 2 can adopt inverter motor, can adjust stirring speed. Wherein, the rotating speed of the stirring mechanism is lower than 10r/min, which is convenient for microbial fermentation. An overflow pipe 1a is communicated with the upper part of the tank body 1, and a safety valve 1b is arranged on the overflow pipe 1 a.
A plurality of heating devices are arranged on the tank body 1 at intervals in sequence along the stirring and conveying direction, and each heating device is correspondingly provided with a temperature detector for detecting the temperature in the tank. The temperature signal output ends of all the temperature detectors are respectively and electrically connected with the temperature signal input ends of different areas of the control unit, and the driving signal input ends of all the heating devices are respectively and electrically connected with the heating driving signal output ends of different areas of the control unit. When the temperature detector detects that the temperature in the current area is lower than the set temperature value, the control unit drives the corresponding heating device to increase the heating temperature. When the temperature detector detects that the temperature in the current area is higher than the set temperature value, the control unit drives the corresponding heating device to reduce the heating temperature. And realizing accurate segmented temperature control.
Because the tank body is large in volume, continuous batch feeding is generally adopted, the fermentation period of one tank of materials is about one month, new dry materials can enter every day in the month, aiming at the situation that the temperature of a feeding hole is low because a large amount of cold materials with the temperature of about 20 ℃ are added to the tank body close to the feeding hole, the temperature of the feeding hole is low, and the temperature of the middle rear part of the tank body is higher than 65 ℃ because the fermentation is self-exothermic, and if the heating temperature is not adjusted, the gas generation is not uniform. Therefore, the sectional heating is designed, the heating temperature can be adjusted according to different reaction sections, the temperature is accurately controlled in a sectional mode, the gas production uniformity is guaranteed, and safety accidents are reduced. Wherein, heating device is electrical heating paster 5a, and electrical heating paster 5a pastes the downside of adorning outside jar body 1, and the maintenance of being convenient for is overhauld.
The stirring mechanism comprises a stirring shaft 6 extending left and right, stirring blades 6b are sequentially arranged on the stirring shaft 6 at intervals along the axis extending direction of the stirring shaft 6, the stirring blades 6b are connected with the stirring shaft 6 through stirring arms 6a, and the stirring blades 6b are spiral by taking the stirring shaft 6 as a spiral center.
Preferably, adjacent stirring vanes 6b are arranged at an angle of 90 ° to each other, i.e. when the stirring arm 6a of one of the stirring vanes 6b is directed vertically towards the bottom, the stirring arm 6a of the adjacent stirring vane 6b is located transversely in the middle of the tank, and so on. The stirring effect can be improved, and the conveying effect is achieved, and the design is reasonable. In order to reduce the dead angle, the ends of the stirring blades 6b extend towards the left and right adjacent stirring blades 6b, so that the stirring range of each stirring blade 6b is partially overlapped with the stirring range of the adjacent stirring blade 6b, and the stirring efficiency is improved.
In order to improve the safety and avoid safety accidents caused by the fact that the pressure in the tank body 1 exceeds 2000pa, a pressure detector is arranged in the tank body 1, the pressure signal output end of the pressure detector is connected with the pressure signal input end of the control unit, the air inlet end of the air collection mechanism 3 is provided with an air pump 4, the driving signal input end of the air pump 4 is connected with the air extraction signal output end of the control unit, a pressure set value close to 2000pa is set, and when the pressure in the tank body 1 of the pressure detector exceeds the set value, the control unit drives the air pump 4 to pump the gas in the tank body 1 into the air collection mechanism 3, so that the safety of the tank body is improved, and explosion caused by too large air pressure in the tank body is avoided. Meanwhile, the safety valve 1b is automatically opened under the action of air pressure to exhaust air, and the pressure is released.
Example two
As shown in fig. 3 and 4, the present embodiment is different from the first embodiment in that: the heating device is a combustion chamber 5b positioned below the tank body 1, and the gas collection mechanism 3 is communicated with each combustion chamber 5b through a gas supply pipe. Can provide heat by using the self-generated methane as combustion energy, and maintain the external temperature required by microbial fermentation. Each combustion chamber 5b is provided with a monitoring mechanism 7 for controlling the methane conveying speed, and the methane conveying amount is adjusted according to the temperature required by each area, so that the heat supply amount of the combustion chamber 5b is adjusted.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a large-scale dry-type horizontal fermentation cylinder which characterized in that: including a jar body (1), jar body (1) top gas vent is connected with gas collection mechanism (3), jar body (1) one side is equipped with the feed inlet, the rabbling mechanism that extends about being equipped with in jar body (1), the being connected with of rabbling mechanism one end is located jar motor (2) outside body (1), it is provided with a plurality of heating device along stirring direction of delivery interval in proper order on jar body (1), and every heating device all corresponds and is equipped with the thermodetector that is used for detecting the interior temperature of jar, jar body (1) upper portion intercommunication has overflow pipe (1 a), is provided with relief valve (1 b) on this overflow pipe (1 a).
2. A large dry horizontal fermenter according to claim 1, wherein: the heating device is an electric heating patch (5 a), and the electric heating patch (5 a) is attached to the lower side of the tank body (1).
3. A large dry horizontal fermenter according to claim 1, wherein: the heating device is combustion chambers (5 b) positioned below the tank body (1), the gas collecting mechanism (3) is communicated with the combustion chambers (5 b) through gas supply pipes, and each combustion chamber (5 b) is provided with a monitoring mechanism (7) used for controlling the methane conveying speed.
4. A large dry horizontal fermenter according to claim 1, wherein: stirring mechanism is including controlling (mixing) shaft (6) that extends, be provided with stirring vane (6 b) along its axis extending direction interval in proper order on (mixing) shaft (6), be connected through stirring arm (6 a) between stirring vane (6 b) and (mixing) shaft (6), stirring vane (6 b) are for using (mixing) shaft (6) as the heliciform at spiral center.
5. A large dry horizontal fermenter according to claim 4, wherein: the adjacent stirring blades (6 b) are arranged at an angle of 90 degrees.
6. A large dry horizontal fermenter according to claim 4, wherein: the ends of the stirring blades (6 b) extend towards the left and right adjacent stirring blades (6 b) so that the stirring range of each stirring blade (6 b) is partially overlapped with the stirring range of the adjacent stirring blade (6 b).
7. A large dry horizontal fermenter according to claim 1, wherein: the rotating speed of the stirring mechanism is lower than 10r/min.
8. A large dry horizontal fermenter according to claim 1, wherein: a pressure detector is arranged in the tank body (1), and an air suction pump (4) is arranged at the air inlet end of the air collection mechanism (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220921755.5U CN217868892U (en) | 2022-04-20 | 2022-04-20 | Large-scale dry-type horizontal fermentation cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220921755.5U CN217868892U (en) | 2022-04-20 | 2022-04-20 | Large-scale dry-type horizontal fermentation cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217868892U true CN217868892U (en) | 2022-11-22 |
Family
ID=84088286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220921755.5U Expired - Fee Related CN217868892U (en) | 2022-04-20 | 2022-04-20 | Large-scale dry-type horizontal fermentation cylinder |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217868892U (en) |
-
2022
- 2022-04-20 CN CN202220921755.5U patent/CN217868892U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101560466B (en) | Integrated methane dry fermentation device | |
CN105861306B (en) | Solid-liquid two benches anaerobic ferment devices and method | |
CN102321675B (en) | Method and device for producing bio-gas by organic waste | |
CN206052022U (en) | A kind of device of organic solid castoff dry-type anaerobic fermentation | |
CN205382099U (en) | Fermentation cylinder is inflated to large -scale heating from rotating intermediate layer | |
CN203582867U (en) | Staged pneumatic stirring fermentation device | |
CN104926389A (en) | Roller OAR processing device | |
CN102690754A (en) | Combined anaerobic fermentation tank | |
CN208055226U (en) | A kind of stage air blast composting device | |
CN202187003U (en) | Anaerobic fermentation device with material mechanically fed and discharged in multipoint way | |
CN217868892U (en) | Large-scale dry-type horizontal fermentation cylinder | |
CN211947003U (en) | High-concentration dry anaerobic fermentation device | |
CN206396069U (en) | Sludge dynamically accelerates aerobic high-heat fermented manure equipment | |
CN211035643U (en) | Stable and rapid anaerobic fermentation device for breeding manure | |
CN108147858A (en) | A kind of stage air blast composting device | |
CN204824882U (en) | Biological solid state fermentation jar of totally enclosed | |
CN108455724B (en) | Anaerobic baffle plate reaction device and sewage treatment method | |
CN109207345B (en) | Device and process for coupling corn straw ethanol fermentation with municipal sludge anaerobic co-digestion | |
CN107488578B (en) | Synchronous saccharification and fermentation hydrogen production reactor with enzyme recycling function and experimental method thereof | |
CN102586336B (en) | Two-stage conversion method for producing bio-methane | |
CN210683774U (en) | Large-scale integral horizontal type continuous methane dry fermentation device | |
CN203033907U (en) | Solar auxiliary heating high-temperature rapid fermentation system | |
CN112047761A (en) | Non-water-flushing excrement collecting and fermenting device and fermenting process thereof | |
CN106047669B (en) | Self-rotating multifunctional enzymolysis fermentation machine and fermentation process thereof | |
CN111592974A (en) | Three-phase integrated plug flow type biogas fermentation system and fermentation method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221122 |
|
CF01 | Termination of patent right due to non-payment of annual fee |