CN213012795U - Device for improving air utilization rate in VB2 fermentation process - Google Patents
Device for improving air utilization rate in VB2 fermentation process Download PDFInfo
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- CN213012795U CN213012795U CN202021290761.2U CN202021290761U CN213012795U CN 213012795 U CN213012795 U CN 213012795U CN 202021290761 U CN202021290761 U CN 202021290761U CN 213012795 U CN213012795 U CN 213012795U
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Abstract
The utility model relates to a device for improving the utilization rate of air in the VB2 fermentation process, which belongs to the technical field of fermentation equipment, and comprises a fermentation tank and a stirring mechanism in the fermentation tank, wherein a swirl mixer is arranged at the bottom of a stirring rod of the stirring mechanism; swirl mixer includes shell body and interior casing, a plurality of inlets of circumference equipartition are followed to the upper surface of shell body, the vertical feed liquor pipe of inlet fixedly connected with, a plurality of horizontal feed liquor branch pipes of fixedly connected with are managed to vertical feed liquor, the middle part of horizontal feed liquor branch pipe is connected with vertical feed liquor branch pipe, be equipped with the gas-liquid export on the lateral wall of shell body, interior casing is fixed with the admission line, the admission line passes through rotary joint and the outside intake pipe intercommunication of fermentation cylinder, interior casing internal distribution has a plurality of vortex blades, form the vortex passageway of gas-liquid mixture between interior casing and the. The utility model has reasonable structure, low consumption and high efficiency, the air and the liquid are fully mixed at the bottom of the fermentation tank, the air utilization rate is high, and the dissolved oxygen is improved; is not easy to scale and contaminate bacteria.
Description
Technical Field
The utility model belongs to the technical field of fermentation equipment, specifically, relate to an improve device of air utilization ratio in VB2 fermentation process.
Background
In the vitamin VB2 fermentation process, clean, dry and sterile air is required, and certain pressure is also required in the air to overcome equipment, pipeline resistance and static pressure generated by liquid deep fermentation substrate. Because the solubility of compressed air in the zymotic fluid is very low, let in the fermentation cylinder top from the fermentation cylinder bottom and get rid of, dwell time is extremely short, consequently hardly with compressed air evenly distributed to the fermentation cylinder in, current fermentation cylinder tank bottom air inlet unit is the pipeline aperture distributing type in addition, has the gas pocket to distribute unevenly, and too little easy jam, the too big bubble diameter in aperture is big, is unfavorable for increasing air dwell time to influence the fermentation dissolved oxygen, influence production. How to furthest improve the dissolved amount of air in the fermentation tank, improve the air utilization efficiency, and make the air uniformly contact with the solution in the fermentation tank has great significance for production.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a device for improving the utilization rate of air in the VB2 fermentation process, which comprises a fermentation tank and a stirring mechanism in the fermentation tank, wherein the stirring mechanism comprises a stirring rod, the top end of the stirring rod penetrates through the fermentation tank and is connected with a rotating motor, and the bottom of the stirring rod is provided with a cyclone mixer;
the cyclone mixer comprises an outer shell and an inner shell, the center of the upper surface of the outer shell is fixedly connected with the lower end of a stirring rod, a plurality of liquid inlets are uniformly distributed on the upper surface of the outer shell along the circumferential direction, the liquid inlets are fixedly connected with a vertical liquid inlet pipe, a plurality of horizontal liquid inlet branch pipes are fixedly connected onto the vertical liquid inlet pipe, the middle parts of the horizontal liquid inlet branch pipes are connected with the vertical liquid inlet branch pipes, a gas-liquid outlet is arranged on the side wall of the outer shell, the inner shell comprises an upper shell and a lower shell, the longitudinal section of the upper shell is conical, the edge of the upper shell is fixedly connected with the inner wall of the outer shell through a vertical connecting piece, the lower shell and the upper shell are identical in structure and are vertically symmetrical, the lower shell and the edge of the upper shell are not in contact to form a gas outlet channel, the center, a plurality of vortex blades are circumferentially distributed in the center of the inner shell, and an airflow rotational flow channel is formed in the inner shell. The swirl vanes are common elements in swirl mixers, and are prior art, and the connection mode and the specific structure thereof are not described herein again. And a gas-liquid mixed vortex channel is formed between the inner shell and the outer shell.
Preferably, the top end of the vertical liquid inlet pipe is provided with a first liquid inlet, and the horizontal liquid inlet branch pipes are distributed in parallel from top to bottom along the vertical liquid inlet pipe.
Preferably, the horizontal liquid inlet pipes on the adjacent vertical liquid inlet pipes are distributed in a crossed manner in the horizontal direction.
The utility model discloses still including making this other subassemblies that improve device normal use of air utilization ratio in VB2 fermentation process, control assembly that control intake pipe was intake etc. if the control assembly of rotating the motor is the conventional technical means in this area. In addition, the device or the assembly which is not limited in the utility model adopts the conventional technical means in the field, such as the vortex blade, the cyclone mixer, the rotary joint and the like, are common equipment assemblies in the field.
The working principle of the utility model is as follows: the cyclone mixer is used as a gas-liquid mixing device to replace a traditional pipeline small hole type air inlet device, so that air enters from an air inlet pipeline at the center of the bottom of the lower shell, high-speed cyclone is formed under the diversion effect of a vortex blade, meanwhile, fermentation liquor is attracted to enter between the outer shell and the inner shell from a vertical liquid inlet pipe of the outer shell, clean air is sprayed out from the edge of the upper shell and the edge of the lower shell to enter a vortex channel and form gas-liquid mixed vortex with the fermentation liquor through dynamic mixing emulsification, and finally, the air is discharged into the fermentation tank from a gas-liquid outlet and dispersed through. In the process, the vertical liquid inlet pipe, the horizontal liquid inlet branch pipe and the vertical liquid inlet branch pipe can serve as the stirring paddle and can send fermentation liquid at different positions in the fermentation tank into the cyclone mixer, the uniformity of contact between the fermentation liquid and air in the fermentation tank is improved, and the dissolved oxygen effect is further improved.
The utility model has the advantages that the structure is reasonable, the consumption is low, the efficiency is high, the vertical liquid inlet pipe, the horizontal liquid inlet branch pipe and the vertical liquid inlet branch pipe are combined with the cyclone mixer to ensure that the gas and the liquid are uniformly distributed, the air and the liquid are fully mixed at the bottom of the fermentation tank, the diameter of the bubbles is small, the bubbles are in an emulsified state, the utilization rate of the air is high, and the dissolved oxygen is improved; compared with the distributed pipeline small holes, the pipeline small hole distribution type pipeline is not easy to scale and is not easy to contaminate bacteria.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram in an embodiment of the present invention.
Fig. 2 is a top view of the cyclonic mixer of fig. 1.
In the figure: 1 fermentation cylinder, 2 rotating motor, 3 vertical connecting pieces, 4 gas-liquid outlets, 5 intake pipes, 6 shells, 7 lower shells, 8 vortex blades, 9 vortex channels, 10 vertical liquid inlet pipes, 11 horizontal liquid inlet branch pipes, 12 vertical liquid inlet branch pipes, 13 first liquid inlets, 14 stirring rods, 15 upper shells.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Examples
As shown in fig. 1-2, the utility model provides a device for improving the utilization rate of air in the VB2 fermentation process, which comprises a fermentation tank 1 and a stirring mechanism in the fermentation tank 1, wherein the stirring mechanism comprises a stirring rod 14, the top end of the stirring rod 14 penetrates through the fermentation tank 1 and is connected with a rotating motor 2, and the bottom of the stirring rod 14 is provided with a cyclone mixer;
the cyclone mixer comprises an outer shell 6 and an inner shell, the center of the upper surface of the outer shell 6 is fixedly connected with the lower end of a stirring rod 14, a plurality of liquid inlets are uniformly distributed on the upper surface of the outer shell 6 along the circumferential direction, a vertical liquid inlet pipe 10 is fixedly connected with the liquid inlets, a plurality of horizontal liquid inlet branch pipes 11 are fixedly connected onto the vertical liquid inlet pipe 10, the middle parts of the horizontal liquid inlet branch pipes 11 are connected with vertical liquid inlet branch pipes 12, gas-liquid outlets 4 are arranged on the side wall of the outer shell 6, the inner shell comprises an upper shell 15 and a lower shell 7, the longitudinal section of the upper shell 15 is conical, the edge of the upper shell 15 is fixedly connected with the inner wall of the outer shell 6 through a vertical connecting piece 3, the lower shell 7 and the upper shell 15 are identical in structure and are vertically symmetrical, the edge of the lower shell 7 and the upper shell 15 is not, the inlet duct passes through rotary joint and 1 outside intake pipe 5 intercommunication of fermentation cylinder, the inside center of interior casing is that the circumference form distributes and has a plurality of vortex blades 8, forms the air current whirl passageway in the interior casing. The swirl vanes 8 are common elements in swirl mixers, and are prior art, and the connection mode and the specific structure thereof are not described herein again. A vortex passage 9 for gas-liquid mixing is formed between the inner shell and the outer shell 6.
The top of vertical feed liquor pipe 10 is equipped with first inlet 13, horizontal feed liquor branch pipe 11 is along vertical feed liquor pipe 10 from last parallel distribution extremely down.
The horizontal liquid inlet pipes 11 on the adjacent vertical liquid inlet pipes 10 are distributed in a crossed manner in the horizontal direction.
When the air compressor works, the rotating motor 2 drives the stirring rod 14 to rotate, the stirring rod 14 drives the swirl mixer to rotate, compressed clean air enters from the air inlet pipe 5 through the rotary joint from the air inlet pipeline at the center of the bottom of the lower shell 7, high-speed rotational flow is formed under the flow guiding effect of the vortex blade 8, meanwhile, fermentation liquor is sucked to enter the space between the outer shell 6 and the inner shell from the vertical liquid inlet pipe 10 of the outer shell 6, clean air is sprayed out from the edges of the upper shell 15 and the lower shell 7 to enter the vortex channel 9 and is dynamically mixed and emulsified with the fermentation liquor to form a gas-liquid mixed vortex, and finally the clean air is discharged into the fermentation tank 1 from the gas-liquid outlet 4 to be dispersed through stirring (as shown in fig. 1, the flow direction of the gas-liquid in the process is shown, wherein a dotted arrow represents the flow direction of the fermentation liquor entering the rotational flow mixer, a thin solid arrow represents the flow direction of compressed air. In the process, the vertical liquid inlet pipe 10, the horizontal liquid inlet branch pipe 11 and the vertical liquid inlet branch pipe 12 serve as a stirring paddle, fermentation liquid at different positions in the fermentation tank 1 is fed into the cyclone mixer in the rotating process, the contact uniformity of the fermentation liquid and air in the fermentation tank 1 is improved, and the dissolved oxygen effect is further improved.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (3)
1. The utility model provides an improve device of VB2 fermentation process air utilization, includes the rabbling mechanism in fermentation cylinder and the fermentation cylinder, its characterized in that: the stirring mechanism comprises a stirring rod, the top end of the stirring rod penetrates through the fermentation tank and is connected with the rotating motor, and the bottom of the stirring rod is provided with a cyclone mixer;
the cyclone mixer comprises an outer shell and an inner shell, the center of the upper surface of the outer shell is fixedly connected with the lower end of a stirring rod, a plurality of liquid inlets are uniformly distributed on the upper surface of the outer shell along the circumferential direction, the liquid inlets are fixedly connected with a vertical liquid inlet pipe, a plurality of horizontal liquid inlet branch pipes are fixedly connected onto the vertical liquid inlet pipe, the middle parts of the horizontal liquid inlet branch pipes are connected with the vertical liquid inlet branch pipes, a gas-liquid outlet is arranged on the side wall of the outer shell, the inner shell comprises an upper shell and a lower shell, the longitudinal section of the upper shell is conical, the edge of the upper shell is fixedly connected with the inner wall of the outer shell through a vertical connecting piece, the lower shell and the upper shell are identical in structure and are vertically symmetrical, the lower shell and the edge of the upper shell are not in contact to form a gas outlet channel, the center, the center of the inner shell is circumferentially distributed with a plurality of vortex blades, an airflow rotational flow channel is formed in the inner shell, and a gas-liquid mixed vortex channel is formed between the inner shell and the outer shell.
2. The device for improving the air utilization rate in the VB2 fermentation process according to claim 1, wherein the device comprises: the top of vertical feed liquor pipe is equipped with first inlet, horizontal feed liquor bronchus is along vertical feed liquor pipe from last to parallel distribution down.
3. The device for improving the air utilization rate in the VB2 fermentation process according to claim 1, wherein the device comprises: the horizontal liquid inlet pipes on the adjacent vertical liquid inlet pipes are distributed in a crossed manner in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290761.2U CN213012795U (en) | 2020-07-02 | 2020-07-02 | Device for improving air utilization rate in VB2 fermentation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290761.2U CN213012795U (en) | 2020-07-02 | 2020-07-02 | Device for improving air utilization rate in VB2 fermentation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213012795U true CN213012795U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021290761.2U Active CN213012795U (en) | 2020-07-02 | 2020-07-02 | Device for improving air utilization rate in VB2 fermentation process |
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| CN (1) | CN213012795U (en) |
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2020
- 2020-07-02 CN CN202021290761.2U patent/CN213012795U/en active Active
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