CN215975839U - Fermentation equipment capable of automatically filling culture solution - Google Patents
Fermentation equipment capable of automatically filling culture solution Download PDFInfo
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- CN215975839U CN215975839U CN202122480197.1U CN202122480197U CN215975839U CN 215975839 U CN215975839 U CN 215975839U CN 202122480197 U CN202122480197 U CN 202122480197U CN 215975839 U CN215975839 U CN 215975839U
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Abstract
The utility model relates to a fermentation equipment that can automatic perfusion culture solution relates to the field of fermentation equipment, and it includes support, fermentation cylinder, fills subassembly and control assembly, and the fermentation cylinder is located the support, and with support fixed connection, fills the subassembly and is located the support, and is connected with the fermentation cylinder, and the control assembly is located the fermentation cylinder, and all is connected with fermentation cylinder, fills the subassembly and is used for filling the nutrient solution for the fermentation cylinder, and the control assembly is used for controlling to fill the subassembly and fills the nutrient solution for the fermentation cylinder automatically. This application has the effect for the automatic culture solution that perfuses of fermentation cylinder.
Description
Technical Field
The application relates to the field of fermentation equipment, in particular to fermentation equipment capable of automatically filling culture solution.
Background
Microorganisms are often cultured by using fermentation equipment, and the thalli can grow rapidly and propagate rapidly in the fermentation equipment by providing certain nutrient solution and a proper living environment for the thalli.
The fermentation equipment that uses most at present includes fermentation cylinder, sampler and aseptic oxygen jar, and the fermentation cylinder is circular tube-shape, and inside cavity, and the top lid of fermentation cylinder is equipped with sealed lid, and the bottom is the form of sealing, and the bottom of fermentation cylinder is provided with gets the fungus mouth, and the fermentation cylinder top passes through the pipeline intercommunication with aseptic oxygen jar, and the sampler is located the fermentation cylinder, and aseptic oxygen jar is used for providing oxygen for the fermentation cylinder, and the sampler is used for drawing the nutrient solution in the fermentation cylinder and detects the viable count. When the microorganism fermentation culture device is used, nutrient solution is poured into the fermentation tank, live bacteria are placed in the fermentation tank, sterile oxygen is continuously introduced along with the growth and the propagation of the live bacteria, then culture solution in the fermentation tank is collected through the sampler, the number of the live bacteria in the culture solution is detected, and the live bacteria in the fermentation tank are taken out from the bacteria taking port after the number of the live bacteria reaches the standard, so that the fermentation culture of microorganisms is completed.
In view of the above-mentioned related technologies, the inventor believes that when live bacteria are taken out, a large amount of nutrient solution in the fermentation tank runs off along with the taking out of the live bacteria, so that a small amount of nutrient solution remains in the fermentation tank, and then the fermentation tank is difficult to perform viable bacteria culture sustainably, so that the fermentation efficiency of the live bacteria is low.
SUMMERY OF THE UTILITY MODEL
In order to realize that the fermentation cylinder can continuously cultivate the live bacteria, improve the fermentation efficiency of live bacteria, this application provides a fermentation equipment that can automatic perfusion culture solution.
The application provides a but fermentation equipment of automatic perfusion culture solution adopts following technical scheme:
a fermentation device capable of automatically filling culture solution comprises a support, a fermentation tank, a filling assembly and a control assembly, wherein the fermentation tank is fixedly arranged on the support, the filling assembly comprises a nutrient solution storage tank, a connecting pipe and an electric control valve, the nutrient solution storage tank is fixedly arranged on the support and is higher than the fermentation tank, one end of the connecting pipe is communicated with the nutrient solution storage tank, the other end of the connecting pipe is communicated with the fermentation tank, and the electric control valve is arranged on the connecting pipe;
the control assembly comprises a first pressure sensor, a second pressure sensor, a first controller and a floating mark rod, the floating mark rod is positioned in the fermentation tank and floats on nutrient solution in the fermentation tank, and the floating mark rod is connected with the fermentation tank in a sliding mode along the vertical direction; the first pressure sensor is positioned above the top end of the floating mark rod and fixedly connected with the fermentation tank, the first pressure sensor is used for outputting a first pressure detection signal, the second pressure sensor is positioned below the top end of the floating mark rod and fixedly connected with the fermentation tank, and the second pressure sensor is used for outputting a second pressure detection signal; the first controller is connected with the first pressure sensor and the second pressure sensor, responds to the first pressure detection signal and controls the electric control valve to be closed, and responds to the second pressure detection signal and controls the electric control valve to be opened.
By adopting the technical scheme, the nutrient solution storage tank is connected with the fermentation tank through the connecting pipe, the communication between the nutrient solution storage tank and the fermentation tank is controlled through the electric control valve on the connecting pipe, the floating mark rod in the fermentation tank moves up and down along with the liquid level of the nutrient solution in the fermentation tank, the top end of the floating mark rod easily collides with the first pressure sensor and the second pressure sensor in the process of moving up and down of the floating mark rod, so that the first pressure sensor transmits a first pressure signal, the second pressure sensor transmits a second pressure signal, the first pressure signal acts on the first controller and controls the electric control valve to be closed through the first controller, the second pressure signal acts on the first controller and controls the electric control valve to be opened through the first controller, further, the fermentation equipment can automatically fill the nutrient solution according to the liquid level of the nutrient solution in the fermentation tank, when live bacteria in the fermentation tank are taken out, although the nutrient solution in the fermentation tank is greatly reduced, the fermentation equipment can automatically fill the nutrient solution, so that the fermentation tank can continuously culture the viable bacteria, and the viable bacteria culture efficiency is improved; meanwhile, aiming at the viable bacteria which need to consume a large amount of nutrient solution in the culture process, the fermentation equipment can supplement the nutrient solution in time without manual supplementation, so that the nutrient solution is supplemented more conveniently and timely, and the culture environment in the fermentation tank is not easily polluted.
Optionally, the fermentation tank comprises a heat preservation assembly, the heat preservation assembly comprises an electric heater, a temperature sensor and a second controller, the outer wall of the fermentation tank is provided with two layers, an outer cavity is formed between the outer walls of the two sides, water is filled in the outer cavity, the electric heater is located in the water of the outer cavity and is fixedly connected with the fermentation tank, the temperature sensor is located in the water of the outer cavity and is fixedly connected with the fermentation tank, the second controller is located on the support and is fixedly connected with the support, the temperature sensor is used for outputting a water temperature detection signal, the second controller is connected with the temperature sensor and the electric heater, and the second controller responds to the water temperature detection signal and controls the electric heater to heat or stop heating.
Through adopting above-mentioned technical scheme, electric heater heats the water of outer cavity for the temperature in the fermentation cylinder risees, and the temperature sensor who is located outer cavity aquatic simultaneously measures the temperature, and output temperature detected signal, and temperature detected signal heats or stops heating through second controller control electric heater, makes the temperature in the outer cavity keep in the constant range, thereby the temperature in the fermentation cylinder keeps in the constant range, makes the living fungus easily grow and expand numerous more.
Optionally, the side wall of the fermentation tank is communicated with a sterile oxygen tank.
By adopting the technical scheme, the sterile oxygen tank provides sterile oxygen to the fermentation tank, necessary conditions are provided for the growth and propagation of viable bacteria, and pollution in the fermentation tank is not easy to cause.
Optionally, the bottom of fermentation cylinder is provided with the sample connection, sample connection and fermentation cylinder fixed connection, and the one end that is close to the fermentation cylinder inside in the sample connection is equipped with the rubber block, and is close to the outside end cover of fermentation cylinder and is equipped with sealed lid.
By adopting the technical scheme, the sealing cover is taken out, then the sterile injector is pricked into the rubber block and enters the culture solution, then a small part of the culture solution is extracted as a detection sample, the number of the viable bacteria is detected through the culture solution, and whether the viable bacteria can be taken out is judged.
Optionally, a bacteria taking port is arranged at the bottom of the fermentation tank.
Through adopting above-mentioned technical scheme, judge through the sample and can go on living fungus to take, open and get fungus mouth, take out the fungus that lives in the fermentation cylinder in a large number through the nutrient solution, then leave the less partial living fungus and nutrient solution in the fermentation cylinder, fill the nutrient solution through fermentation equipment is automatic and continue to go on living fungus to cultivate.
Optionally, a partition plate is fixedly arranged at the top of the fermentation tank, and the buoy rod penetrates through the partition plate and is connected with the partition plate in a sliding manner.
Through adopting above-mentioned technical scheme, the fermentation cylinder keeps apart the top and the bottom of fermentation cylinder through the baffle for the buoy pole easily carries out sliding connection with the fermentation cylinder, and makes first pressure sensor, second pressure sensor on the fermentation cylinder keep apart with the culture solution, has protected that first pressure sensor and second pressure sensor are difficult for soaking because of steam and has damaged, has prolonged first pressure sensor and second pressure sensor's life.
Optionally, a float block is fixedly arranged at the bottom end of the float rod, and the float block is circular plate-shaped and is arranged horizontally.
Through adopting above-mentioned technical scheme, the circular shape buoy piece in buoy rod bottom has increased the buoyancy of culture solution to the buoy rod for the buoy rod is easily floated on the liquid level of culture solution more, and has increased the effort to first pressure sensor, makes first pressure sensor easily react more.
Optionally, the first pressure sensor and the second pressure sensor are both high-sensitivity pressure sensors.
Through adopting above-mentioned technical scheme, when the buoy pole was used first pressure sensor or second pressure sensor, first pressure sensor and second pressure sensor responded more easily to in time send first pressure detection signal and second pressure detection signal.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the filling assembly and the control assembly, the nutrient solution can be greatly reduced after live bacteria are taken out, or the nutrient solution is greatly reduced due to the large consumption of the live bacteria, the filling assembly can automatically fill the nutrient solution into the fermentation tank, so that the live bacteria can be continuously cultured, or the nutrient solution can be timely supplemented after the live bacteria consume the nutrient solution;
the temperature in the fermentation tank is kept within a constant temperature by arranging the heat insulation component, so that the living bacteria are easier to grow and propagate;
through set up the sample connection in the fermentation cylinder bottom, can sample the fungus that lives in the fermentation cylinder, and then can accurately judge the number of living.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view intended to illustrate the control assembly;
fig. 3 is an enlarged view at a in fig. 2.
Description of reference numerals: 1. a support; 11. a support leg; 2. a fermentation tank; 21. a partition plate; 22. an outer chamber; 23. a sampling port; 231. a rubber block; 232. a sealing cover; 24. taking a bacterium port; 3. a perfusion assembly; 31. a nutrient solution storage tank; 32. a connecting pipe; 33. an electrically controlled valve; 4. a control component; 41. a first pressure sensor; 42. a second pressure sensor; 43. a first controller; 44. a float rod; 441. a buoy block; 442. floating the head; 5. a heat preservation assembly; 51. an electric heater; 511. a power source; 52. a temperature sensor; 53. a second controller; 6. a sterile oxygen tank.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a fermentation equipment capable of automatically filling culture solution. Referring to fig. 1, a fermentation equipment that can automatic perfusion culture solution includes support 1, fermentation cylinder 2, perfusion subassembly 3 and control assembly 4, fermentation cylinder 2 is located support 1, and with support 1 fixed connection, perfusion subassembly 3 is located support 1, and is connected with fermentation cylinder 2, control assembly 4 is located fermentation cylinder 2, and with fermentation cylinder 2, perfusion subassembly 3 all is connected, perfusion subassembly 3 is used for perfusing the nutrient solution for fermentation cylinder 2, control assembly 4 is used for controlling perfusion subassembly 3 and is automatic perfusing the nutrient solution for fermentation cylinder 2.
During the use, when the nutrient solution in the fermentation cylinder 2 reduces, control group price control filling subassembly 3 is automatic for fermentation cylinder 2 filling nutrient solution, need not the manual work and replenishes nutrient solution for fermentation cylinder 2 for the use of fermentation cylinder 2 is more convenient, intelligent.
Referring to fig. 1 and 2, the stand 1 is in the form of a horizontally disposed plate, and a plurality of legs 11 are provided on the bottom surface. The fermentation cylinder 2 is vertically arranged and is cylindrical, the top end and the top end of the fermentation cylinder 2 are both in a sealing shape, and the bottom end of the fermentation cylinder 2 is fixedly connected with the support 1. The baffle 21 is horizontally arranged in the fermentation tank 2, the baffle 21 is in a circular plate shape and is positioned in the middle of the fermentation tank 2, and the baffle 21 is fixedly connected with the fermentation tank 2.
Referring to fig. 1, the perfusion assembly 3 includes a nutrient solution storage tank 31, a connecting pipe 32 and an electric control valve 33, the nutrient solution storage tank 31 is in a circular cylinder shape, the top end and the bottom end of the nutrient solution storage tank are both in a sealed shape, the bottom end of the nutrient solution storage tank 31 is fixedly arranged on the support 1, and the nutrient solution storage tank 31 is higher than the fermentation tank 2; the connecting pipe 32 is horizontally arranged, one end of the connecting pipe 32 is communicated with the nutrient solution storage tank 31, and the other end of the connecting pipe 32 is communicated with the lower part of the partition plate 21 in the fermentation tank 2; an electrically controlled valve 33 is mounted on the connecting tube 32.
Referring to fig. 2, the control assembly 4 includes a first pressure sensor 41, a second pressure sensor 42, a first controller 43 and a float rod 44, the float rod 44 is in a long rod shape and is located in the fermentation tank 2, the float rod 44 vertically penetrates through the partition board 21, the float rod 44 and the partition board 21 are slidably connected in a vertical direction, a float block 441 is fixed at the bottom end of the float rod 44, the float block 441 is in a circular plate shape, the float block 441 floats on the nutrient solution in the fermentation tank 2, the top end of the float rod 44 horizontally extends, and a float head 442 is fixedly arranged at the extending end, the float head 442 is in a rectangular block shape, and the length direction of the float head 442 is in a vertical direction.
Referring to fig. 2, the first pressure sensor 41 and the second pressure sensor 42 are both high-sensitivity pressure sensors and are both located in the fermentation tank 2, the first pressure sensor 41 and the second pressure sensor 42 are both located above the partition 21 and are both fixedly connected to the fermentation tank 2, the first pressure sensor 41 is located above the floating header 442 and is configured to output a first pressure detection signal, and the second pressure sensor 42 is located below the floating header 442 and is configured to output a second pressure detection signal.
Referring to fig. 2, the first controller 43 is located above the electrically controlled valve 33, the first controller 43 is connected to the first pressure sensor 41, the second pressure sensor 42 and the electrically controlled valve 33, and the first controller 43 responds to the first pressure detection signal and controls the electrically controlled valve 33 to close, and responds to the second pressure detection signal and controls the electrically controlled valve 33 to open.
During the use, when the culture solution in the fermentation cylinder 2 reduces, the liquid level of culture solution descends thereupon, make buoy pole 44 gliding, touch second pressure sensor 42 until the bottom of buoy head 442, second pressure sensor 42 transmits out the second pressure measurement signal, second pressure measurement signal opens electrically controlled valve 33 through first controller 43, make the culture solution in the culture solution storage tank get into in the fermentation cylinder 2, buoy pole 44 rises and goes up along with the liquid level of the culture solution in the fermentation cylinder 2, touch first pressure sensor 41 until the top of buoy head 442, first pressure sensor 41 transmits out first pressure measurement signal, first pressure measurement signal closes electrically controlled valve 33 through first controller 43, realize the automatic of the interior nutrient solution of fermentation cylinder 2 and fill.
Referring to fig. 3, the bottom of the side of the fermentation tank 2 is provided with a sampling port 23, the sampling port 23 is fixedly connected with the fermentation tank 2, the sampling port 23 is in a circular tubular shape and is horizontally arranged, one end of the sampling port 23 is communicated with the inside of the fermentation tank 2, and the other end is communicated with the outside of the fermentation tank 2. The sampling port 23 is coaxially provided with a cylindrical rubber block 231 in one end close to the interior of the fermentation tank 2, and the rubber block 231 is fixedly connected with the sampling port 23. The end of the sampling port 23 close to the exterior of the fermentation tank 2 is coaxially covered with a sealing cover 232, and the side wall of the sealing cover 232 is tightly abutted with the side wall of the sampling port 23.
Referring to fig. 1, a bacteria taking port 24 is fixedly arranged at the bottom of the fermentation tank 2, the bacteria taking port 24 is horizontally arranged and is communicated with the inside of the fermentation tank 2, the bacteria taking port 24 is tubular, and the axial direction of the bacteria taking port is vertical to the axial direction of the sampling port 23.
When the device is used, the sealing cover 232 is taken out, the syringe is pricked into the rubber block 231, the culture solution in the fermentation tank 2 is extracted, the number of the viable bacteria in the culture solution is detected, and when the number of the viable bacteria reaches the standard, the viable bacteria are taken out from the bacteria taking port 24.
Referring to fig. 2 and 3, an outer chamber 22 is arranged in the side wall of the bottom of the fermentation tank 2, and the outer chamber 22 is annular and contains water. The fermentation tank 2 is connected with a heat insulation component 5, the heat insulation component 5 comprises an electric heater 51, a temperature sensor 52 and a second controller 53, one end of the electric heater 51 is spirally wound in the outer layer chamber 22 and is positioned in water, the other end of the electric heater penetrates through the outer layer side wall of the fermentation tank 2 and is connected with a power supply 511, and the power supply 511 is fixedly connected with the fermentation tank 2; the temperature sensor 52 is positioned in the water and fixedly connected with the fermentation tank 2, and the temperature sensor 52 is used for outputting a water temperature detection signal; the second controller 53 is located outside the fermentation tank 2 and fixedly connected with the bracket 1, the second controller 53 is connected with the temperature sensor 52 and the power supply 511, and the second controller 53 responds to the water temperature detection signal and controls the power supply 511 to enable the electric heater 51 to heat or stop heating.
When the living bacteria culture system is used, the living bacteria grow and propagate in the fermentation tank 2, and simultaneously the proper environment temperature is needed, the electric heater 51 is heated through the power supply 511, the electric heater 51 heats the water temperature, the temperature of the water rises, the water temperature is measured through the temperature sensor 52, and a water temperature detection signal is transmitted out, when the water temperature rises to the highest set value, the water temperature detection signal controls the power supply 511 through the second controller 53 to stop heating of the electric heater 51, when the water temperature drops to the lowest set value, the water temperature detection signal is transmitted out through the temperature sensor 52, the water temperature detection signal controls the power supply 511 to heat through the second controller 53, so that the water temperature is constant in a range, and the proper environment temperature is provided for the growth and propagation of the living bacteria in the fermentation tank 2.
Referring to fig. 1, a sterile oxygen tank 6 is fixedly arranged on the support 1, the sterile oxygen tank 6 is cylindrical, and a sterile oxygen pipe is communicated with the fermentation tank 2.
In the process of the growth and propagation of the live bacteria, the sterile oxygen tank 6 provides necessary oxygen for the live bacteria, and meanwhile, the fermentation tank 2 is not easy to be polluted by the oxygen provided for the live bacteria by the sterile oxygen tank 6.
The implementation principle of the fermentation equipment capable of automatically filling culture solution in the embodiment of the application is as follows: nutrient solution and viable bacteria are placed in the fermentation tank 2 to provide sterile oxygen for the fermentation tank 2, after a period of time, the nutrient solution in the fermentation tank 2 is extracted through the sampling port 23, the viable bacteria number is detected, after the viable bacteria number reaches the standard, the viable bacteria are taken out from the viable bacteria taking port 24, meanwhile, the nutrient solution in the fermentation tank 2 is reduced, the buoy rod 44 slides downwards and touches the second pressure sensor 42, the second pressure sensor 42 controls the electric control valve 33 to be opened through the first controller 43, the nutrient solution in the nutrient solution storage tank 31 enters the fermentation tank 2, the viable bacteria in the fermentation tank 2 continuously grow and propagate, and the fermentation efficiency of the viable bacteria is improved; meanwhile, when the fermentation equipment is used for fermenting live bacteria which need to consume a large amount of nutrient solution, the nutrient solution can be automatically supplemented for the fermentation tank 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a but fermentation equipment of automatic perfusion culture solution which characterized in that: the device comprises a support (1), a fermentation tank (2), a perfusion assembly (3) and a control assembly (4), wherein the fermentation tank (2) is fixedly arranged on the support (1), the perfusion assembly (3) comprises a nutrient solution storage tank (31), a connecting pipe (32) and an electric control valve (33), the nutrient solution storage tank (31) is fixedly arranged on the support (1) and is higher than the fermentation tank (2), one end of the connecting pipe (32) is communicated with the nutrient solution storage tank (31), the other end of the connecting pipe is communicated with the fermentation tank (2), and the electric control valve (33) is arranged on the connecting pipe (32);
the control assembly (4) comprises a first pressure sensor (41), a second pressure sensor (42), a first controller (43) and a floating mark rod (44), the floating mark rod (44) is positioned in the fermentation tank (2) and floats on nutrient solution in the fermentation tank (2), and the floating mark rod (44) is connected with the fermentation tank (2) in a sliding mode along the vertical direction; the first pressure sensor (41) is positioned above the top end of the buoy rod (44) and fixedly connected with the fermentation tank (2), the first pressure sensor (41) is used for outputting a first pressure detection signal, the second pressure sensor (42) is positioned below the top end of the buoy rod (44) and fixedly connected with the fermentation tank (2), and the second pressure sensor (42) is used for outputting a second pressure detection signal; the first controller (43) is connected with the first pressure sensor (41) and the second pressure sensor (42), the first controller (43) responds to the first pressure detection signal and controls the electric control valve (33) to be closed, and responds to the second pressure detection signal and controls the electric control valve (33) to be opened.
2. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the fermentation tank is characterized by further comprising a heat insulation assembly (5), wherein the heat insulation assembly (5) comprises an electric heater (51), a temperature sensor (52) and a second controller (53), two layers of outer walls of the fermentation tank (2) are arranged, an outer layer cavity (22) is formed between the outer walls of the two sides, water is filled in the outer layer cavity (22), the electric heater (51) is located in the water in the outer layer cavity (22), and is fixedly connected with the fermentation tank (2), the temperature sensor (52) is positioned in the water of the outer layer chamber (22), and is fixedly connected with the fermentation tank (2), the second controller (53) is positioned on the bracket (1), and with support (1) fixed connection, temperature sensor (52) are used for exporting the temperature detection signal of water, and second controller (53) are connected with temperature sensor (52), electric heater (51), and second controller (53) respond to the temperature detection signal of water and control electric heater (51) and heat or stop heating.
3. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the side wall of the fermentation tank (2) is communicated with a sterile oxygen tank (6).
4. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the bottom of fermentation cylinder (2) is provided with sample connection (23), and sample connection (23) and fermentation cylinder (2) fixed connection, the one end that is close to fermentation cylinder (2) inside in sample connection (23) is equipped with rubber block (231), and is close to the outside end cover of fermentation cylinder (2) and is equipped with sealed lid (232).
5. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the bottom of the fermentation tank (2) is provided with a bacterium taking port (24).
6. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the top of the fermentation tank (2) is fixedly provided with a partition plate (21), and a buoy rod (44) penetrates through the partition plate (21) and is connected with the partition plate (21) in a sliding manner.
7. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the bottom end of the buoy rod (44) is fixedly provided with a buoy block (441), and the buoy block (441) is in a circular plate shape and is horizontally arranged.
8. The fermentation equipment capable of automatically perfusing culture solution according to claim 1, wherein: the first pressure sensor (41) and the second pressure sensor (42) are both high-sensitivity pressure sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480197.1U CN215975839U (en) | 2021-10-14 | 2021-10-14 | Fermentation equipment capable of automatically filling culture solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480197.1U CN215975839U (en) | 2021-10-14 | 2021-10-14 | Fermentation equipment capable of automatically filling culture solution |
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| Publication Number | Publication Date |
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| CN215975839U true CN215975839U (en) | 2022-03-08 |
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| CN202122480197.1U Active CN215975839U (en) | 2021-10-14 | 2021-10-14 | Fermentation equipment capable of automatically filling culture solution |
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2021
- 2021-10-14 CN CN202122480197.1U patent/CN215975839U/en active Active
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