CN114591822A - Organic solid material fermentation box - Google Patents
Organic solid material fermentation box Download PDFInfo
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- CN114591822A CN114591822A CN202210186464.0A CN202210186464A CN114591822A CN 114591822 A CN114591822 A CN 114591822A CN 202210186464 A CN202210186464 A CN 202210186464A CN 114591822 A CN114591822 A CN 114591822A
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- 238000000855 fermentation Methods 0.000 title claims abstract description 37
- 230000004151 fermentation Effects 0.000 title claims abstract description 37
- 239000011343 solid material Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 11
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036983 biotransformation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- C12M21/16—Solid state fermenters, e.g. for koji production
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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
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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
- C12M41/20—Heat exchange systems, e.g. heat jackets or outer envelopes the heat transfer medium being a gas
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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
- C12M41/48—Automatic or computerized control
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Zoology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Analytical Chemistry (AREA)
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an organic solid material fermentation box, a box body is a support of a feeding mechanism and a chain plate conveyor, the four-layer chain plate conveyor is arranged in the box body, a plurality of chain plate assemblies are sequentially connected to form a closed loop structure, air boxes are transversely arranged between the four-layer chain plate conveyor in the box, a plurality of air exhausts are arranged at the upper part of each air box, an air quantity regulating valve and a heat exchanger are connected between the air boxes in the box and an air pipe outside the box, the air quantity and the air inlet temperature can be regulated according to the detected temperature in the box, an air inlet and an air outlet of a top process circulating fan are both connected with the box body, the air in the box can be circulated, the temperature is uniform, a temperature control device is provided with a plurality of top surfaces higher than the chain plate conveyor in the height direction of the box body, a temperature sensor is arranged at the position higher than the top surfaces of each layer of chain plate conveyor, the temperature sensors are transversely symmetrically and oppositely and alternately arranged, the temperature detection points arranged in the box body are wide in the temperature range, can accurately reflect the temperature of the fermentation material.
Description
Technical Field
The invention relates to the technical field of organic solid material fermentation treatment equipment, in particular to an organic solid material fermentation box.
Background
Fermentation is a biological reaction process that produces and accumulates the products one desires through the growth, reproduction, and metabolic activity of microorganisms. The fermentation process in the fermentation chamber is generally a biochemical reaction carried out under normal pressure by temperature control. The reaction is safe, and the required conditions are simple. The invention can carry out the biotransformation modification of specific parts on certain complex compounds specifically and highly selectively, and the fermentation production is not limited by natural conditions such as geography, climate, season and the like.
The fermentation process is essentially a biochemical reaction under specific temperature conditions. The conventional fermentation box can only monitor the local temperature in the box body. Then manually stirring and radiating.
The invention adopts automatic feeding, automatic turning and automatic temperature adjustment, and meets the fermentation production of different types of solid materials.
Disclosure of Invention
The invention aims to make up for the defects of the prior art and provides an organic solid material fermentation box which can realize automatic feeding and discharging, automatic material turning and controllable fermentation temperature.
The invention is realized by the following technical scheme:
the organic solid material fermentation box comprises a box body, wherein four layers of frames are arranged in the box body, chain conveyors are respectively arranged on the four layers of frames, the conveying direction of the chain conveyor at the uppermost three layers is S-shaped, the conveying directions of the chain conveyors at the third and fourth layers are the same, the chain conveyors for fermentation are arranged at the upper three layers, and the chain conveyor at the lowermost layer is connected with the chain conveyors for material leakage. The feeding end of the chain plate conveyor aligned to the uppermost layer at the top of the box body is provided with a feeding mechanism, the feeding end of the chain plate conveyor on the upper three layers is respectively provided with a material turning screw mechanism, the discharging end of the chain plate conveyor on the third and the fourth layers on the outer wall of the box body is provided with a discharging screw component, the position of one side surface of the box body corresponding to the chain plate conveyor on the upper three layers is respectively provided with an air supply fan, an air box is arranged between the upper chain plate and the lower chain plate of the chain plate conveyor on the upper three layers, the upper part of each air box is provided with a plurality of phi 30 exhaust holes, and the three air boxes are respectively connected with the three air supply fans through an air volume adjusting valve and an outer air duct; the circulating fan is installed at the top of the box body, and an air outlet and an air inlet of the circulating fan are respectively arranged at the front end and the rear end of the box body, so that air in the box is circulated, and the temperature of each temperature control detection point in the box is ensured to be uniform.
The outer side of the box body is provided with a heat insulation plate, box body detection doors are arranged on the box body at intervals of 2 meters, and sealing strips are arranged on the box body detection doors.
The chain plates of the chain plate conveyor on the upper three layers are all mesh chain plates, and the chain plate of the chain plate conveyor on the lowest layer is a plate-shaped chain plate; the chain scraper conveyor adopts a dual-drive structure, namely, the two ends of the driving shaft are provided with the driving motors, the driving shaft adopts a flexible shaft structure, the motor is prevented from being twisted off when the driving is asynchronous, and the two sides of the chain scraper conveyor are provided with the protection plates to prevent material leakage at the two sides.
The feeding mechanism adopts a horizontal spiral feeding mode, and feeding grooves are transversely and uniformly distributed in a spiral pipe.
The material turning screw mechanism is a vertical material turning screw arranged above the side of a driven roller of the upper three-layer chain plate conveyor.
The discharging spiral component is a horizontal U-shaped open spiral.
The circulating fan is also connected with a dust removal device and a smell removal device.
And heat exchangers are respectively arranged between the three air boxes and the inner wall of the box body.
The temperature sensors are arranged on the upper three-layer chain plate conveyor close to the master batch in a staggered mode, the actual temperature in the box body is detected, and detected data are fed back to the upper computer. The temperature parameter can be modified manually based on the sensed data. After the parameters are reset, the system automatically adjusts the air supply quantity to enable the actual fermentation temperature to reach the set value.
The fermentation master batch is fed from a feed inlet of the box body and is uniformly distributed on a chain plate of the conveyor through a horizontal feeding screw. 2-6 vertical spiral turning materials are arranged above the driven roller side of the three chain plate conveyors. Temperature sensors are arranged on two sides of the box body close to the materials in a staggered mode to detect the fermentation temperature. The external side of the box body is provided with three ventilating ducts which respectively correspond to the positions between the upper chain plate and the lower chain plate of the three chain plate conveyors, the built-in air box is arranged between the upper chain plate and the lower chain plate of the chain plate conveyor, the air outlet at the upper part of the air box faces to materials carried by the upper chain plate of the chain plate conveyor, and a heat exchanger and an air volume adjusting valve are arranged between the built-in air box and the outer air pipe. The top of the box body is provided with a circulating ventilation pipeline, and the middle part of the pipeline is connected with a dust removal and odor removal device. And a transverse horizontal screw conveyor is arranged at the outlet of the lower chain plate conveyor and used for collecting fermented materials. The running direction of the second-layer conveyor on the four-layer chain plate conveyor is opposite to that of the other three conveyors. The material is circularly conveyed in the box body. And driving motors are arranged on two sides of a driving shaft of the chain plate conveyor, and the driving shaft is a flexible shaft.
The invention has the advantages that: according to the invention, the air volume regulating valve and the heat exchanger are connected between the air box in the box and the air pipe outside the box, so that the air inlet volume and the air inlet temperature can be regulated according to the detected temperature in the box; the air inlet and the air outlet of the top process circulating fan are both connected with the box body, so that air in the box can circulate and the temperature is uniform; the position of each layer of chain plate conveyor, which is higher than the top surface, is provided with a temperature sensor, the installation interval of the sensors is 1.2m-1.5m, the temperature sensors are installed in a transversely symmetrical and oppositely staggered manner, the temperature detection points arranged in the box body have wide temperature range, and the temperature of the fermented materials can be accurately reflected.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a transverse cross-sectional view of the discharge port end;
fig. 4 is a middle transverse cross-sectional view.
Detailed Description
As shown in fig. 1-4, an organic solid material fermentation box comprises a box body 1, wherein four layers of frames are arranged in the box body 1, chain conveyors 2 are respectively arranged on the four layers of frames, the conveying direction of the chain conveyor 2 at the uppermost layer is S-shaped, the conveying directions of the chain conveyors 2 at the third layer and the fourth layer are the same, the upper layer is the chain conveyor 2 for fermentation, and the chain conveyor 2 at the lowermost layer is connected with the three layers for material leakage. The feeding mechanism 3 is installed at the top of the box body 1 and is aligned to the feeding end of the chain plate conveyor 2 on the uppermost layer, the turning screw mechanisms 4 are installed at the feeding ends of the three layers of chain plate conveyors 2 on the upper layer, the discharging screw assemblies 5 are arranged at the discharging ends of the third layer of chain plate conveyors 2 and the fourth layer of chain plate conveyors 2 on the outer wall of the box body 1, air supply fans 6 are installed at positions, corresponding to the three layers of chain plate conveyors 2 on the upper layer, on one side surface of the box body respectively, air boxes 7 are installed between the upper chain plate and the lower chain plate of the three layers of chain plate conveyors 2 on the upper layer, a plurality of phi 30 air exhaust holes are formed in the upper portion of each air box 7, and the three air boxes 7 are connected with the three air supply fans 6 through air volume adjusting valves 8 and outer air ducts 9 respectively; install circulating fan 10 at the top of box 1, circulating fan 10's air outlet and air intake set up both ends around box 1 respectively for incasement air circulation ensures that the temperature at each temperature control detection point position in the incasement is even.
The outer side of the box body 1 is provided with a heat insulation plate, box body detection doors are arranged on the box body at intervals of 2 meters, and sealing strips are arranged on the box body detection doors.
The chain plates of the upper three-layer chain plate conveyor 2 are all mesh chain plates, and the chain plate of the lowest chain plate conveyor 2 is a plate-shaped chain plate; the chain scraper conveyor 2 adopts a dual-drive structure 11, namely, the two ends of the driving shaft are provided with driving motors, the driving shaft adopts a flexible shaft structure, the twisting off of the motors when the driving is asynchronous is avoided, and the two sides of the chain scraper conveyor 2 are provided with protection plates 16 to prevent material leakage at the two sides.
The feeding mechanism 3 adopts a horizontal spiral feeding mode, and feeding grooves are transversely and uniformly distributed in a spiral pipe.
The material turning screw mechanism 4 is a vertical material turning screw arranged above the driven roller side of the upper three-layer chain plate conveyor 2.
The discharging spiral component 5 is a horizontal U-shaped open spiral.
The circulating fan 10 is also connected with a dust removal device 12 and a smell removal device 13.
And heat exchangers 14 are respectively arranged between the three air boxes 7 and the inner wall of the box body 1.
The three-layer chain plate conveyor 2 is provided with temperature sensors 15 close to the master batch in a staggered mode, the actual temperature in the box body is detected, and detected data are fed back to the upper computer. The temperature parameter can be modified manually based on the sensed data. After the parameters are reset, the system automatically adjusts the air supply quantity to enable the actual fermentation temperature to reach the set value.
As shown in fig. 1 and 2, the fermentation mother material enters the box body 1 from the feeding hole and the feeding mechanism 3, the fermentation mother material is uniformly distributed on the first layer of chain plate conveyor by the vertical material turning screw, the first layer of chain plate conveyor is slowly conveyed to start fermentation, the fermentation mother material falls to the second layer of chain plate conveyor after being conveyed to the front end, the mother material is turned by the vertical material turning screw, and then the mother material is conveyed to the feeding end by the reverse conveyor. And then the mixture falls to a third layer chain plate conveyor from the feeding end, and simultaneously the master batch is turned over again by the vertical material turning screw to continue fermentation. After fermentation is completed, discharging from the discharge port. And the fourth layer of chain plate conveyor receives the materials which are leaked in the material turning and conveying processes of the three chain plate conveyors.
As shown in figures 1 and 2, a heat exchanger 14 and an air volume adjusting valve 8 are connected between the air supply fan 6 and the air box 7, and a temperature sensor 15 is arranged at the position, close to the master batch, of the upper three-layer chain scraper conveyor 2. The temperature of the master batch in different areas can be detected, and the temperature setting parameters are adjusted according to the fed back numerical value. The top air pipe and the fan are circulating air pipes, so that air in the box flows circularly.
As shown in fig. 4, the driving of the chain scraper conveyor 2 adopts two-side driving, that is, two sides of the conveyor are respectively provided with a speed reducing motor with the same power and rotating speed. The driving shaft adopts a flexible shaft structure, so that the twisting-off of the driving shaft is avoided.
Claims (9)
1. The utility model provides an organic solid material fermenting case which characterized in that: comprises a box body, four layers of frames are arranged in the box body, chain plate conveyors are respectively arranged on the four layers of frames, the conveying direction of the chain plate conveyor at the uppermost layer is S-shaped, the conveying directions of the chain plate conveyors at the third layer and the fourth layer are the same, the feeding end of the chain plate conveyor aligned with the uppermost layer at the top of the box body is provided with a feeding mechanism, the feeding ends of the chain plate conveyors on the upper three layers are respectively provided with a material turning screw mechanism, a discharging spiral component is arranged on the outer wall of the box body and positioned at the discharging end of the third layer chain plate conveyor and the fourth layer chain plate conveyor, air supply fans are respectively arranged on one side surface of the box body corresponding to the three layers of chain plate conveyors, air boxes are arranged between an upper chain plate and a lower chain plate of the upper three-layer chain plate conveyor, a plurality of air exhaust holes are formed in the upper part of each air box, and the three air boxes are respectively connected with three air supply fans through air quantity adjusting valves and outer air pipes; the top of the box body is provided with a circulating fan, and an air outlet and an air inlet of the circulating fan are respectively arranged at the front end and the rear end of the box body.
2. The organic solid material fermentation tank of claim 1, wherein: the outer side of the box body is provided with a heat insulation plate, the box body detection door is arranged on the box body at intervals of 2 meters, and the box body detection door is provided with a sealing strip.
3. The organic solid material fermentation tank of claim 1, wherein: the chain plates of the chain plate conveyor on the upper three layers are all mesh chain plates, and the chain plate of the chain plate conveyor on the lowest layer is a plate-shaped chain plate; the chain plate conveyor adopts a dual-drive structure, namely, both ends of a driving shaft are provided with driving motors, the driving shaft adopts a flexible shaft structure, and both sides of the chain plate conveyor are provided with protection plates.
4. The organic solid material fermentation tank of claim 1, wherein: the feeding mechanism adopts a horizontal spiral feeding mode, and feeding grooves are transversely and uniformly distributed in a spiral pipe.
5. The organic solid material fermentation tank of claim 1, wherein: the material turning screw mechanism is a vertical material turning screw arranged above the side of a driven roller of the upper three-layer chain plate conveyor.
6. The organic solid material fermentation tank of claim 1, wherein: the discharging spiral component is a horizontal U-shaped open spiral.
7. The organic solid material fermentation tank of claim 1, wherein: the circulating fan is also connected with a dust removal device and a smell removal device.
8. The organic solid material fermentation tank of claim 1, wherein: and heat exchangers are respectively arranged between the three air boxes and the inner wall of the box body.
9. The organic solid material fermentation tank of claim 1, wherein: and temperature sensors are arranged on the upper three-layer chain plate conveyor close to the master batch in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186464.0A CN114591822A (en) | 2022-02-28 | 2022-02-28 | Organic solid material fermentation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186464.0A CN114591822A (en) | 2022-02-28 | 2022-02-28 | Organic solid material fermentation box |
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| Publication Number | Publication Date |
|---|---|
| CN114591822A true CN114591822A (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210186464.0A Pending CN114591822A (en) | 2022-02-28 | 2022-02-28 | Organic solid material fermentation box |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2456476B1 (en) * | 1974-11-29 | 1976-02-26 | Peters Ag Claudius | Continuously conveying powdery goods - using conveyor with two worms transporting goods to common outlet |
| CN202760128U (en) * | 2012-08-10 | 2013-03-06 | 四川成都仙厨味业有限公司 | Continuous fermentation box |
| CN103122305A (en) * | 2011-11-21 | 2013-05-29 | 镇江日泰生物工程设备有限公司 | Solid state fermentation device |
| CN203440371U (en) * | 2013-07-17 | 2014-02-19 | 株洲智荟生物科技有限公司 | Fermentation device with rapid feeding |
| CN107012075A (en) * | 2017-04-17 | 2017-08-04 | 江苏牧羊控股有限公司 | A kind of Zymolysis Equipment |
| CN110862277A (en) * | 2019-12-10 | 2020-03-06 | 山东王工环保科技有限公司 | Organic waste biological drying treatment fermentation box |
| CN112374924A (en) * | 2020-11-30 | 2021-02-19 | 山东益圆农牧机械科技有限公司 | Layered manure fermentation system and fermentation method |
| CN113913287A (en) * | 2021-09-16 | 2022-01-11 | 安徽东方新新生物技术有限公司 | Thick-layer ventilating belt type fermentation machine |
| CN215559948U (en) * | 2021-09-07 | 2022-01-18 | 湖北绿鑫生态科技有限公司 | Integrated fermentation box for aerobic composting |
-
2022
- 2022-02-28 CN CN202210186464.0A patent/CN114591822A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2456476B1 (en) * | 1974-11-29 | 1976-02-26 | Peters Ag Claudius | Continuously conveying powdery goods - using conveyor with two worms transporting goods to common outlet |
| CN103122305A (en) * | 2011-11-21 | 2013-05-29 | 镇江日泰生物工程设备有限公司 | Solid state fermentation device |
| CN202760128U (en) * | 2012-08-10 | 2013-03-06 | 四川成都仙厨味业有限公司 | Continuous fermentation box |
| CN203440371U (en) * | 2013-07-17 | 2014-02-19 | 株洲智荟生物科技有限公司 | Fermentation device with rapid feeding |
| CN107012075A (en) * | 2017-04-17 | 2017-08-04 | 江苏牧羊控股有限公司 | A kind of Zymolysis Equipment |
| CN110862277A (en) * | 2019-12-10 | 2020-03-06 | 山东王工环保科技有限公司 | Organic waste biological drying treatment fermentation box |
| CN112374924A (en) * | 2020-11-30 | 2021-02-19 | 山东益圆农牧机械科技有限公司 | Layered manure fermentation system and fermentation method |
| CN215559948U (en) * | 2021-09-07 | 2022-01-18 | 湖北绿鑫生态科技有限公司 | Integrated fermentation box for aerobic composting |
| CN113913287A (en) * | 2021-09-16 | 2022-01-11 | 安徽东方新新生物技术有限公司 | Thick-layer ventilating belt type fermentation machine |
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