CN212741327U - Small-size high mass transfer circulating ventilation fermentation cylinder - Google Patents
Small-size high mass transfer circulating ventilation fermentation cylinder Download PDFInfo
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- CN212741327U CN212741327U CN202021501356.0U CN202021501356U CN212741327U CN 212741327 U CN212741327 U CN 212741327U CN 202021501356 U CN202021501356 U CN 202021501356U CN 212741327 U CN212741327 U CN 212741327U
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Abstract
The utility model discloses a small-sized high mass transfer circulating type ventilation fermentation tank, which relates to the technical field of biological fermentation and comprises a fermentation tank body, wherein a cooling injection pipe is arranged in the fermentation tank body; a three-phase mixer and a circulating pipe are fixedly arranged in the fermentation tank body, a feed inlet is formed in the top of the three-phase mixer, the bottom of the circulating pipe is communicated with the feed inlet, the top of the circulating pipe is open, and a discharge outlet is formed in the bottom of the three-phase mixer; the feed inlet of the three-phase mixer is also connected with a ventilation pipe. The utility model discloses aim at providing good engineering condition for ventilation biological reaction, realize getting rid of mechanical stirring completely, improve the energy-conserving effect of fermentation process.
Description
Technical Field
The utility model relates to a biological fermentation technical field especially relates to a circulating fermentation cylinder that ventilates of small-size high mass transfer.
Background
The domestic fermentation industries of antibiotics, vitamins, amino acids, organic acids and the like almost all adopt the general ventilation stirring reaction kettle technology to carry out industrial product production, and the fermentation equipment has not seen great breakthrough for decades, and the problems of high energy consumption and low utilization rate of ventilation oxygen in the fermentation process always exist.
In the fermentation industry, the energy consumption (air oxygen supply, steam sterilization, stirring power consumption and circulating water cooling) accounts for 20-30% of the total product cost, wherein the stirring for fermentation accounts for 20-40% of the total energy consumption; analysis in aspects of hydrodynamics, fermentation engineering and the like and antibiotic large-scale production practice are carried out on the state of the fermentation process, and if the fermentation tank can completely remove stirring, the fermentation process can save 20-40% of energy; the seed tanks for small variety fermentation products and various fermentation products have large number, and are suitable for small fermentation tanks (for example, the volume of a single tank is less than or equal to 30 m)3) And the method is widely popularized and implemented, and the energy-saving achievement of saving 1-1.5 hundred million/year in the fermentation industry can be realized through prejudgment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circulating ventilation fermentation cylinder of small-size high mass transfer to solve the problem that above-mentioned prior art exists, realize getting rid of mechanical stirring completely, improve the energy-conserving effect of fermentation process.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a small-sized high mass transfer circulating type ventilation fermentation tank, which comprises a fermentation tank body, wherein a cooling injection pipe is arranged in the fermentation tank body; a three-phase mixer and a circulating pipe are fixedly arranged in the fermentation tank body, a feed inlet is formed in the top of the three-phase mixer, the bottom of the circulating pipe is communicated with the feed inlet, the top of the circulating pipe is open, and a discharge outlet is formed in the bottom of the three-phase mixer; the feed inlet of the three-phase mixer is also connected with a ventilation pipe.
Preferably, the three-phase mixer includes cylindric barrel, the top of barrel is provided with the feed inlet for with the circulating pipe intercommunication, the bottom of barrel sets up the discharge gate, the discharge gate is located the diapire top of the fermentation tank body.
Preferably, the feed inlet and the discharge outlet are both in a conical structure, the upper opening of the feed inlet is larger than the lower opening of the feed inlet, the upper opening of the discharge outlet is smaller than the lower opening of the discharge outlet, and the diameters of the lower opening of the feed inlet, the upper opening of the discharge outlet and the cylinder are the same; the upper opening of the feed inlet is the same as the diameter of the circulating pipe.
Preferably, a suction flaring is additionally arranged at the opening at the top of the circulating pipe.
Preferably, the suction flare is a tapered opening with a large top and a small bottom.
Preferably, the three-phase mixer is integrated with the circulation pipe.
Preferably, the three-phase mixer and the circulating pipe are fixedly connected with the inner wall of the fermentation tank body through a fixing plate.
Preferably, one end of the vent pipe is communicated with a feed inlet of the three-phase mixer, and the other end of the vent pipe extends out of the fermentation tank body.
The utility model discloses for prior art gain following technological effect:
the utility model adopts a new fermentation tank structure, which can completely remove the stirring and realize the energy saving of 20-40% in the fermentation process; but also realizes the three-pass one-reverse condition of the engineering of orientation, no detention zone, high gas content and high-speed rotation mixing, and fully meets the ventilation fermentation conditions of various products of the small fermentation tank.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a small-sized high mass transfer circulating type ventilation fermentation tank;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
in the figure, 1 is a fermentation tank body, 2 is a circulating pipe, 3 is a fixed plate, 4 is a three-phase mixer, and 5 is a ventilating pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1-2, the present embodiment provides a small-sized high mass transfer circulating ventilation fermentation tank, which includes a fermentation tank body 1, and a cooling injection pipe is disposed in the fermentation tank body 1, wherein the fermentation tank body 1 is a conventional fermentation tank body, and a feeding port and a discharging port are disposed thereon to realize feeding, discharging, and the like; the cooling injection pipe is the current device, and the fermentation heat of biological reaction process needs to adopt the heat transfer of circulating water dividing wall to take away the heat to maintain the purpose of fermentation temperature control, and the cooling injection pipe is provided with the multiunit, and along 1 inner wall of the fermentation tank system multiturn from top to bottom, hang on the brace table of 1 inner wall of the fermentation tank, let in the cooling injection pipe has the recirculated cooling water, in order to take away the fermentation heat of biological reaction process.
A three-phase mixer 4 and a circulating pipe 2 are fixedly arranged in the fermentation tank body 1, a feed inlet is formed in the top of the three-phase mixer 4, the bottom of the circulating pipe 2 is communicated with the feed inlet, and the circulating pipe 2 is vertically and upwards connected to the feed inlet of the three-phase mixer 4; the top of the circulating pipe 2 is opened for the materials to enter the circulating pipe 2 and the three-phase mixer 4, and the bottom of the three-phase mixer 4 is provided with a discharge hole for discharging the materials to the bottom of the fermentation tank body 1; the discharge hole is positioned above the bottom wall of the fermentation tank body 1, and a gap is formed between the discharge hole and the bottom wall; the feed inlet of the three-phase mixer 4 is also connected with a vent pipe 5, and the vent pipe 5 is used for introducing high-speed air flow to mix with the materials in the three-phase mixer 4.
In the present embodiment, the sizing size and the positioning size of the vertical downward installation of the three-phase mixer 4 are determined according to actual working requirements; the three-phase mixer 4 comprises a cylindrical barrel, a feed inlet is formed in the top of the barrel and is used for being communicated with the circulating pipe 2, and a discharge outlet is formed in the bottom of the barrel.
Furthermore, the feed inlet and the discharge outlet are both in a conical structure, the upper opening of the feed inlet is larger than the lower opening of the feed inlet, the upper opening of the discharge outlet is smaller than the lower opening of the discharge outlet, and the diameters of the lower opening of the feed inlet, the upper opening of the discharge outlet and the cylinder body are the same; the upper opening of the feeding hole has the same diameter with the circulating pipe 2, the top opening of the circulating pipe 2 is additionally provided with a suction flared opening which is a conical opening with a large upper part and a small lower part, and materials can conveniently enter the circulating pipe 2.
In this embodiment, the three-phase mixer 4 and the circulating pipe 2 are both fixedly connected with the inner wall of the fermenter 1 through a fixing plate 3, and the fixing plate 3 is provided with a through hole for the three-phase mixer 4 and the circulating pipe 2 to pass through.
In this embodiment, the one end of ventilation pipe 5 and the feed inlet intercommunication of three-phase mixer 4, the other end stretches out outside the fermentation tank body 1, and the one end that ventilation pipe 5 stretched out fermentation tank body 1 can be connected with the fan for let in high-speed air current.
In the embodiment, air introduced into the ventilation pipe 5 enters the three-phase mixer 4, is transferred with high-speed momentum downwards, is baffled at the bottom of the tank and is fully diffused to the whole tank outside the circulating pipe 2, so that a slow and upward three-phase uniform mixed liquid is formed, a higher mass transfer area is formed outside the circulating pipe 2, the gas-liquid specific surface area is maximized, a high volume oxygen transfer coefficient is realized, and the requirements of the huge specific surface area of the thallus on environmental factors and nutrients are fully met; after the three-phase uniform mixed liquid reaches the top of the circulating pipe 2, the three-phase uniform mixed liquid is baffled to enter the circulating pipe 2 to move downwards at a high speed under the action of fluid continuity characteristics and internal and external density differences and is mixed with the sprayed high-speed air flow; thus, the whole tank realizes the three-pass one-reverse condition of the engineering of orientation, no detention zone, high gas content and high-speed rotation mixing, and fully meets the ventilation and fermentation conditions of various products of the small fermentation tank.
In the embodiment, the combined structure of the three-phase mixer 4 and the circulating pipe 2 which are directly connected can realize sufficient momentum impact on the bottom of the tank and baffling diffusion, and the momentum is uniformly distributed in the whole tank; the three-phase mixer 4 is integrally connected with the circulating pipe 2, the external sufficient diffusion space and the directional circulation from outside to inside can meet the requirement of gas-liquid-solid three-phase circulation mixing and the requirement of tank unloading operation.
The utility model discloses fermentation engineering characteristic parameters such as gas content rate, volume oxygen transmission coefficient, the solid three-phase degree of consistency of gas-liquid, dissolved oxygen rate have all been superior to traditional small-size mechanical ventilation fermentation reation kettle in the design of the fermentation tank body.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A small-sized high mass transfer circulating type ventilation fermentation tank comprises a fermentation tank body, wherein a cooling injection pipe is arranged in the fermentation tank body; the method is characterized in that: a three-phase mixer and a circulating pipe are fixedly arranged in the fermentation tank body, a feed inlet is formed in the top of the three-phase mixer, the bottom of the circulating pipe is communicated with the feed inlet, the top of the circulating pipe is open, and a discharge outlet is formed in the bottom of the three-phase mixer; the feed inlet of the three-phase mixer is also connected with a ventilation pipe.
2. The small-sized high mass transfer circulating type ventilated fermenter according to claim 1, wherein: the three-phase mixer comprises a cylindrical barrel, the top of the barrel is provided with the feed inlet which is communicated with the circulating pipe, the bottom of the barrel is provided with the discharge outlet, and the discharge outlet is positioned above the bottom wall of the fermentation tank body.
3. The small-sized high mass transfer circulating type ventilated fermenter according to claim 2, wherein: the feed inlet and the discharge outlet are of a conical structure, the upper opening of the feed inlet is larger than the lower opening of the feed inlet, the upper opening of the discharge outlet is smaller than the lower opening of the discharge outlet, and the diameters of the lower opening of the feed inlet, the upper opening of the discharge outlet and the cylinder are the same; the upper opening of the feed inlet is the same as the diameter of the circulating pipe.
4. The small-sized high mass transfer circulating type ventilated fermenter according to claim 3, wherein: and a suction flaring is additionally arranged at the opening at the top of the circulating pipe.
5. The small-sized high mass transfer circulating type ventilated fermenter according to claim 4, wherein: the suction flared opening is a conical opening with a large upper part and a small lower part.
6. The small-sized high mass transfer circulating type ventilated fermenter according to claim 1, wherein: the three-phase mixer is integrated with the circulation pipe.
7. The small-sized high mass transfer circulating type ventilated fermenter according to claim 1, wherein: the three-phase mixer and the circulating pipe are fixedly connected with the inner wall of the fermentation tank body through a fixing plate.
8. The small-sized high mass transfer circulating type ventilated fermenter according to claim 1, wherein: one end of the ventilation pipe is communicated with the feed inlet of the three-phase mixer, and the other end of the ventilation pipe extends out of the fermentation tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021501356.0U CN212741327U (en) | 2020-07-27 | 2020-07-27 | Small-size high mass transfer circulating ventilation fermentation cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021501356.0U CN212741327U (en) | 2020-07-27 | 2020-07-27 | Small-size high mass transfer circulating ventilation fermentation cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN212741327U true CN212741327U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021501356.0U Active CN212741327U (en) | 2020-07-27 | 2020-07-27 | Small-size high mass transfer circulating ventilation fermentation cylinder |
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| CN (1) | CN212741327U (en) |
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- 2020-07-27 CN CN202021501356.0U patent/CN212741327U/en active Active
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