CN107325959A - A kind of biological fermentation device of many agitating shafts - Google Patents
A kind of biological fermentation device of many agitating shafts Download PDFInfo
- Publication number
- CN107325959A CN107325959A CN201710754865.0A CN201710754865A CN107325959A CN 107325959 A CN107325959 A CN 107325959A CN 201710754865 A CN201710754865 A CN 201710754865A CN 107325959 A CN107325959 A CN 107325959A
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- Prior art keywords
- housing
- agitating shaft
- dispersion pipe
- fermentation device
- biological fermentation
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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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
-
- 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
- C12M29/04—Filters; Permeable or porous membranes or plates, e.g. dialysis
-
- 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
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- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a kind of biological fermentation device of many agitating shafts, including housing, motor, charging aperture and sampling cavity；The outer sheath of dispersion pipe is provided with seal box；The housing is fixedly arranged in the middle of horizontal screen pack, and the lower end of the dispersion pipe is fixedly and coaxially connected on vertical main agitating shaft, the side wall of main agitating shaft is installed with main paddle；It is provided with the inner side of annulus on a circle rack, rack and is engaged with gear, the lower end of the gear is coaxially fixed with secondary agitating shaft, secondary paddle is fixedly installed on the side wall of secondary agitating shaft；The outer end of communicating pipe is connected in sampling cavity.The liquid or gas of entrance are uniformly distributed on the raw material in housing by the present invention by the dispersion pipe of setting, the liquid or gas of addition is uniformly mixed with raw material, improve fermentation efficiency, it is ensured that reaction is uniform；Main paddle and multiple secondary paddles is driven to rotate simultaneously by motor, while being stirred to inside.
Description
Technical field
The present invention relates to a fermentation technical field, specifically a kind of biological fermentation device of many agitating shafts.
Background technology
Biological fermentation device is a kind of infrastructure device the most frequently used during bioengineering is produced, and what biological fermentation device was designed is
It is no reasonable, directly affect product quality.Existing installation for fermenting needs related agitating element to be stirred internal liquid,
Mix fermentation raw material, it is to avoid the production of accessory substance, but existing installation for fermenting is stirred simply by simple paddle
Mix, stirring is limited in scope, cause fermentation raw material stirring uneven, influence fermenting and producing；In addition, in fermentation process is carried out, needing
Internally to be passed through the liquid or gas of correlation, it is ensured that fermentation is normally carried out, existing installation for fermenting is to open upper lid, will
Liquid or gas are passed through, and this mode liquid contacts not abundant enough with internal raw material, will not be evenly dispersed to inside, are influenceed
Being normally carried out for fermentation, reduces production efficiency.
The content of the invention
It is an object of the invention to provide a kind of biological fermentation device of many agitating shafts, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：
A kind of biological fermentation device of many agitating shafts, including housing, motor, charging aperture and sampling cavity；The motor is fixed
Installed in the top of housing, the output shaft of motor is extend into housing straight down, is fixedly connected in the output shaft lower end of motor
There is vertical dispersion pipe, the outer sheath of dispersion pipe is provided with seal box, and dispersion pipe is rotated with seal box and is connected, the correspondence in seal box
Dispersion pipe side wall on offer several and be dispersed into hole, and be uniformly distributed, on the corresponding dispersion pipe side wall in outside of seal box
Offer several to disperse to portal, be dispersed into hole and portal with scattered with being connected in dispersion pipe, feed liquor is communicated with seal box
Pipe and air inlet pipe；The housing is fixedly arranged in the middle of horizontal screen pack, and screen pack is located at the lower section of dispersion pipe；The main stirring
The upper end of axle is fixed with horizontal fix bar, and fix bar, which is located on the downside of the top of screen pack, fix bar, is fixed with switch-plate, institute
The lower end for stating dispersion pipe is fixedly and coaxially connected vertical main agitating shaft, and main agitating shaft is passed down through screen pack, and lower end passes through axle
Hold and be installed with main paddle on the bottom for being rotatably connected on housing, the side wall of main agitating shaft；The lower end of the main agitating shaft
It is fixed with horizontal connecting rod, the end of connecting rod and is fixed with vertical scraper plate, scraper plate is contacted with the inwall of housing；In the upper of scraper plate
End, which is fixed with horizontal annulus, the inner side of annulus, is provided with a circle rack, and gear is engaged with rack, and the central shaft of gear leads to
The lower surface that bearing is arranged on screen pack is crossed, the lower end of the gear is coaxially fixed with secondary agitating shaft, in the side wall of secondary agitating shaft
On be fixedly installed secondary paddle；The bottom of the housing is communicated with communicating pipe, and the outer end of communicating pipe is connected in sampling cavity,
Probe tube is inserted vertically into sampling cavity, the upper end of probe tube is communicated with capsule.
Further：The seal box is fixed in housing by support bar.
Further：The scattered aperture portalled is less than the aperture for being dispersed into hole.
Further：It is described to disperse to portal horizontally or diagonally to set.
Further：The feed tube and air inlet pipe pass housing, and valve is mounted on thereon.
Further：The distance between the switch-plate and screen pack are less than 2mm.
Further：The connecting rod, scraper plate are at least provided with two groups.
Further：The gear, secondary agitating shaft, secondary paddle are at least provided with three groups.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by the dispersion pipe of setting by the liquid of entrance
Or gas is uniformly distributed on the raw material in housing, the liquid or gas of addition is uniformly mixed with raw material, improve fermentation
Efficiency, it is ensured that reaction is uniform；Main paddle and multiple secondary paddles is driven to rotate simultaneously by motor, while stirring inside
Mix, improve stirring scope, make internal stirring abundant, reduce stirring dead angle；Sampling cavity is communicated with housing can be quick
It is taken out internal liquid, it is easy to operate, it is not necessary to shut down detection, it is ensured that fermentation is normally carried out.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the biological fermentation device of many agitating shafts.
Fig. 2 is a kind of overlooking the structure diagram of annulus in biological fermentation device of many agitating shafts.
The mplifying structure schematic diagram that Fig. 3 is A in Fig. 1.
In figure：1- housings, 2- motors, 3- charging apertures, 4- dispersion pipes, 5- seal boxs, the main agitating shafts of 6-, 7- support bars, 8-
Feed tube, 9- air inlet pipe, 10- valves, 11- is dispersed into hole, and 12- is scattered to portal, 13- fix bars, 14- switch-plates, the main stirrings of 15-
Leaf, 16- connecting rods, 17- scraper plates, 18- annulus, 19- racks, 20- gears, 21- pair agitating shafts, 22- pair paddles, 23- sampling cavities,
24- probe tubes, 25- capsules, 26- communicating pipes, 27- discharge nozzles, 28- screen packs.
Embodiment
Refer in figure, the embodiment of the present invention, a kind of biological fermentation device of many agitating shafts, including housing 1, motor 2, enter
Material mouth 3 and sampling cavity 23；The motor 2 is fixedly mounted on the top of housing 1, and the output shaft of motor 2 extend into shell straight down
In body 1, vertical dispersion pipe 4 is fixedly connected with the output shaft lower end of motor 2, the outer sheath of dispersion pipe 4 is provided with seal box 5,
Dispersion pipe 4 is rotated with seal box 5 and is connected, and seal box 5 is fixed in housing 1 by support bar 7, and dispersion pipe 4 turns on seal box 5
Move, offering several on the corresponding side wall of dispersion pipe 4 in seal box 5 is dispersed into hole 11, and is uniformly distributed, seal box 5
Offered on the corresponding side wall of dispersion pipe 4 in outside several it is scattered portal 12, be dispersed into hole 11 with it is scattered portal 12 with it is scattered
Connect in pipe 4, scattered 12 aperture of portalling is less than the aperture for being dispersed into hole 11, the liquid or gas of scattered 12 ejections of portalling of increase
Scope, liquid or gas are uniformly ejected, it is described it is scattered portal 12 horizontally or diagonally set, make internal liquid or gas
It is uniform outwards to spray, feed tube 8 and air inlet pipe 9 are communicated with seal box 5, feed tube 8 and air inlet pipe 9 pass housing 1, at it
On be mounted on valve 10, make liquid or lift to enter in seal box 5.
The housing 1 is fixedly arranged in the middle of horizontal screen pack 28, and screen pack 28 is located at the lower section of dispersion pipe 4, charging aperture 3
The top of housing 1 is arranged on, the raw material of entrance is fallen on screen pack 28, is screened；The upper end of main agitating shaft 6 is fixed with water
Flat fix bar 13, fix bar 13 is located at the top of screen pack 28, and the downside of fix bar 13 is fixed with switch-plate 14, switch-plate 14
It is less than 2mm with the distance between screen pack 28, switch-plate 14 follows rotation, raw material on screen pack 28 etc. is stirred, and makes it more
Plus be easy to drop.
The lower end of the dispersion pipe 4 is fixedly and coaxially connected vertical main agitating shaft 6, and main agitating shaft 6 is passed down through filtering
Net 28, lower end is rotatably connected on the bottom of housing 1, the side wall of main agitating shaft 6 by bearing and is installed with main paddle 15,
Drive main agitating shaft 6 to rotate by motor 2, mixing is stirred to the fermentation raw material in housing 1；Under the main agitating shaft 6
End, which is fixed with horizontal connecting rod 16, the end of connecting rod 16, is fixed with vertical scraper plate 17, and the inwall of scraper plate 17 and housing 1 connects
Touch, scraper plate 17 follows main agitating shaft 6 to rotate, and scrapes the raw material on the inwall of lower house 1, in order to improve effect, connecting rod 16, scraper plate 17 to
Two groups are provided with less, and scraper is carried out while interior to 1；Horizontal annulus 18, the inner side of annulus 18 are fixed with the upper end of scraper plate 17
On be provided with a circle rack 19, rack 19 and be engaged with gear 20, the central shaft of gear 20 is arranged on screen pack 28 by bearing
Lower surface, gear 20 is rotated in the presence of annulus 18, the lower end of the gear 20 is coaxially fixed with secondary agitating shaft 21, it is secondary
Agitating shaft 21 extends downwardly into the bottom of housing 1, and secondary paddle 22 is fixedly installed on the side wall of secondary agitating shaft 21, by turning
It is dynamic to make secondary 22 pairs of paddle is internal to stir；The gear 20, secondary agitating shaft 21, secondary paddle 22 are at least provided with three groups, enhancing
Internal mixing effect.
The bottom of the housing 1 is communicated with communicating pipe 26, and the outer end of communicating pipe 26 is connected in sampling cavity 23, sampling cavity 23
Higher than the middle part of housing 1, the fermentation raw material in housing 1 is passed through in sampling cavity 23, sampling has been inserted vertically into sampling cavity 23
Pipe 24, the upper end of probe tube 24 is communicated with capsule 25, by extruding the liquid in the absorption sampling cavity 23 of capsule 25, in probe tube 24
Upper end be further fixed on closure, it is ensured that be not affected by the external environment during internal fermenting raw materials；The bottom of the housing 1 is communicated with
Discharge nozzle 27, by discharges such as the products for completion of fermenting.
When carrying out biofermentation, fermentation raw material is encased in housing 1 from charging aperture 3, fallen on screen pack 28, passed through
Filter screen 28 carry out filtering screening, by impurity in raw material etc. filter, it is ensured that fermentation raw material it is pure, raw material drops into screen pack 28
Lower section, start motor 2, main agitating shaft 6 rotates, the raw material in housing 1 is stirred, the downside of fix bar 13 of its upper end is pacified
The switch-plate 14 of dress can improve raw material from the falling speed on screen pack 28, stir raw material thereon, it is to avoid block mesh, main
Paddle 15 and connecting rod 16 follow main agitating shaft 6 to rotate, and main 15 pairs of paddle is internal to carry out stirring mixing, connecting rod on a large scale
16 drive scraper plates 17 are moved along the inwall of housing 1, when needing to be passed through inside biological fluids or gas, pass through feed tube 8 and air inlet
Pipe 9 is each led into, and is passed into seal box 5, and the corresponding hole 11 that is dispersed into is entered in dispersion pipe 4 in seal box 5, and under
Scattered 12 ejections of portalling of side, because dispersion pipe 4 follows motor 2 to rotate, make the liquid or gas that are flowed down in dispersion pipe 4 uniform
It is outwards scattered, it will not accumulate liquid or gas, it is ensured that fermentation highly effective and safe is carried out, and the connecting rod 16 of the main bottom of agitating shaft 6 drives
Scraper plate 17 is moved, and the raw material on the inwall of housing 1 is scraped, it is to avoid stick on inwall, improves ferment effect, the upper end of scraper plate 17
Rack 19 is rotated with moving gear 20, so that secondary agitating shaft 21 is rotated, the raw material in the main outside of paddle 15 is stirred, increased
Scope is stirred, mixing effect is improved；When needing to be sampled detection, the fermentation in sampling cavity 23 can be pumped into probe tube 24
Liquid, it is not necessary to which shutdown is sampled.The liquid or gas of entrance are uniformly distributed to shell by the present invention by the dispersion pipe of setting
On internal raw material, the liquid or gas of addition is uniformly mixed with raw material, improve fermentation efficiency, it is ensured that reaction is uniform；It is logical
Motor is crossed while driving main paddle and multiple secondary paddles to rotate, while being stirred to inside, stirring scope is improved, makes
Inside stirring is abundant, reduces stirring dead angle；Sampling cavity is communicated with housing can quickly be taken out internal liquid, behaviour
Make convenient and swift, it is not necessary to shut down detection, it is ensured that fermentation is normally carried out.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (8)
1. a kind of biological fermentation device of many agitating shafts, including housing (1), motor (2), charging aperture (3) and sampling cavity (23)；Its
It is characterised by：The motor (2) is fixedly mounted on the top of housing (1), and the output shaft of motor (2) extend into housing straight down
(1) in, vertical dispersion pipe (4) is fixedly connected with the output shaft lower end of motor (2), the outer sheath of dispersion pipe (4) is provided with close
Joint sealing (5), dispersion pipe (4) is rotated with seal box (5) and is connected, and is offered in seal box (5) on the wall of corresponding dispersion pipe (4) side
Several are dispersed into hole (11), and are uniformly distributed, and are offered on outside corresponding dispersion pipe (4) side wall of seal box (5) some
It is individual to disperse to portal (12), hole (11) is dispersed into scattered portal (12) with being connected in dispersion pipe (4), is connected in seal box (5)
It is connected with feed tube (8) and air inlet pipe (9)；The housing (1) is fixedly arranged in the middle of horizontal screen pack (28), screen pack (28) position
Lower section in dispersion pipe (4)；The lower end of the dispersion pipe (4) is fixedly and coaxially connected vertical main agitating shaft (6), main agitating shaft
(6) screen pack (28) is passed down through, lower end is rotatably connected on the bottom of housing (1) by bearing, and the upper end of main agitating shaft (6) is consolidated
Surely there is horizontal fix bar (13), fix bar (13), which is located to be fixed with the downside of the top of screen pack (28), fix bar (13), to be dialled
Main paddle (15) is installed with flitch (14), the side wall of main agitating shaft (6)；The lower end of the main agitating shaft (6) is fixed
Have and vertical scraper plate (17) is fixed with horizontal connecting rod (16), the end of connecting rod (16), the inwall of scraper plate (17) and housing (1)
Contact；It is fixed with the upper end of scraper plate (17) on horizontal annulus (18), the inner side of annulus (18) and a circle rack (19) is installed,
Gear (20) is engaged with rack (19), the central shaft of gear (20) is arranged on the lower surface of screen pack (28), institute by bearing
The lower end for stating gear (20) is coaxially fixed with secondary agitating shaft (21), and secondary stirring is fixedly installed on the side wall of secondary agitating shaft (21)
Leaf (22)；The bottom of the housing (1) is communicated with communicating pipe (26), and the outer end connection of communicating pipe (26) is interior in sampling cavity (23),
Probe tube (24) is inserted vertically into sampling cavity (23), the upper end of probe tube (24) is communicated with capsule (25).
2. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：The seal box (5)
It is fixed on by support bar (7) in housing (1).
3. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：It is described to disperse to portal
(12) aperture is less than the aperture for being dispersed into hole (11).
4. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：It is described to disperse to portal
(12) horizontally or diagonally set.
5. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：The feed tube (8)
Housing (1) is passed with air inlet pipe (9), valve (10) is mounted on thereon.
6. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：The switch-plate (14)
It is less than 2mm with the distance between screen pack (28).
7. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：The connecting rod (16),
Scraper plate (17) is at least provided with two groups.
8. a kind of biological fermentation device of many agitating shafts according to claim 1, it is characterised in that：The gear (20),
Secondary agitating shaft (21), secondary paddle (22) are at least provided with three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754865.0A CN107325959A (en) | 2017-08-29 | 2017-08-29 | A kind of biological fermentation device of many agitating shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754865.0A CN107325959A (en) | 2017-08-29 | 2017-08-29 | A kind of biological fermentation device of many agitating shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107325959A true CN107325959A (en) | 2017-11-07 |
Family
ID=60204213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754865.0A Withdrawn CN107325959A (en) | 2017-08-29 | 2017-08-29 | A kind of biological fermentation device of many agitating shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107325959A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879778A (en) * | 2017-12-06 | 2018-04-06 | 河南惠农土质保育研发有限公司 | A kind of bio-feritlizer fermentation installation based on electromagnetism and sensing technology |
| CN107955773A (en) * | 2017-12-22 | 2018-04-24 | 苏州艾捷尔斯生物科技有限公司 | A kind of culture biological fermentation tank |
| CN108481748A (en) * | 2018-05-16 | 2018-09-04 | 广东海洋大学 | A kind of cleaning device and its working method for laser three-dimensional photocuring 3D printing molded part |
| CN110144287A (en) * | 2019-05-20 | 2019-08-20 | 南京趣酶生物科技有限公司 | A kind of multi-shaft stirring mechanism of biological fermentation tank |
| CN111066813A (en) * | 2019-11-15 | 2020-04-28 | 嘉兴沃特泰科环保科技股份有限公司 | Preparation method and device of oxidation type bactericide |
| CN112029636A (en) * | 2020-08-01 | 2020-12-04 | 广西力源宝科技有限公司 | Coaxial differential combined efficient stirrer and use method thereof |
| CN112047770A (en) * | 2020-09-22 | 2020-12-08 | 怀宁县腊树四合供销合作社有限公司 | Material liquid rolling mechanism for organic fertilizer processing production and rolling method thereof |
| CN116376676A (en) * | 2023-04-21 | 2023-07-04 | 西昌学院 | Feed mixing fermentation device |
-
2017
- 2017-08-29 CN CN201710754865.0A patent/CN107325959A/en not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879778A (en) * | 2017-12-06 | 2018-04-06 | 河南惠农土质保育研发有限公司 | A kind of bio-feritlizer fermentation installation based on electromagnetism and sensing technology |
| CN107955773A (en) * | 2017-12-22 | 2018-04-24 | 苏州艾捷尔斯生物科技有限公司 | A kind of culture biological fermentation tank |
| CN108481748A (en) * | 2018-05-16 | 2018-09-04 | 广东海洋大学 | A kind of cleaning device and its working method for laser three-dimensional photocuring 3D printing molded part |
| CN110144287A (en) * | 2019-05-20 | 2019-08-20 | 南京趣酶生物科技有限公司 | A kind of multi-shaft stirring mechanism of biological fermentation tank |
| CN110144287B (en) * | 2019-05-20 | 2022-03-11 | 南京趣酶生物科技有限公司 | Multi-shaft stirring mechanism of biological fermentation tank |
| CN111066813A (en) * | 2019-11-15 | 2020-04-28 | 嘉兴沃特泰科环保科技股份有限公司 | Preparation method and device of oxidation type bactericide |
| CN111066813B (en) * | 2019-11-15 | 2021-06-15 | 嘉兴沃特泰科环保科技股份有限公司 | Preparation method and device of oxidation type bactericide |
| CN112029636A (en) * | 2020-08-01 | 2020-12-04 | 广西力源宝科技有限公司 | Coaxial differential combined efficient stirrer and use method thereof |
| CN112029636B (en) * | 2020-08-01 | 2023-11-28 | 广西力源宝科技有限公司 | Coaxial differential combined efficient stirrer and use method thereof |
| CN112047770A (en) * | 2020-09-22 | 2020-12-08 | 怀宁县腊树四合供销合作社有限公司 | Material liquid rolling mechanism for organic fertilizer processing production and rolling method thereof |
| CN116376676A (en) * | 2023-04-21 | 2023-07-04 | 西昌学院 | Feed mixing fermentation device |
| CN116376676B (en) * | 2023-04-21 | 2024-02-06 | 西昌学院 | Feed mixing fermentation device |
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Application publication date: 20171107 |
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