CN211947001U - a fermenter - Google Patents

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a fermentation tank, comprising a tank body and a stirring device; the fermentation tank provided by the utility model enables the stirring blades arranged on the driven shaft to rotate and stir and surround the driving shaft Revolving and stirring, the area close to the driving shaft generates a large centrifugal stirring power, enhances the stirring effect, and avoids the dead zone in this area; by setting a dial on the stirring paddle, the dial will stir the material locally and change the liquid of the material. flow direction, eliminate the vortex caused by stirring, increase the dissolved oxygen rate, and further improve the stirring and mixing effect; use water vapor to heat the liquid in the tank, and a temperature sensor is installed inside the tank, so that the operator can accurately The temperature in the tank can be controlled by the method to ensure normal fermentation. When the water vapor is dissipated and turned into condensed water, it can be recycled and the cost is reduced.

Description

a fermenter

technical field

The utility model relates to the technical field of chemical equipment, in particular to a fermentation tank.

Background technique

Fermentation is an important method for product processing. Fermentation tanks are widely used in beverage, food, dairy, brewing, pharmaceutical and other industries, mainly for cultivating microorganisms. In the process of microbial cultivation, the reproduction speed of microorganisms in the fermenter is not completely consistent, and there are obvious differences in the bottom, middle and corner of the tank, so the concentrations of nutrients, heat and metabolites produced by the microorganisms are different. The concentration and temperature of metabolites and nutrients will directly affect the cultivation of microorganisms, thereby affecting the fermentation effect to a large extent.

Therefore, the existing fermentation tanks are generally equipped with a stirring device. Through stirring, the temperature and concentration of the materials are consistent, and the reproduction speed of the microorganisms in the tank is relatively balanced, thereby achieving a better fermentation effect. However, the liquid flow direction of the material after stirring by the existing stirring device is mainly radial flow, and the liquid cannot be violently turned, so that the mixing degree of the material and the microorganism is limited, thereby affecting the fermentation effect; Mainly, the disadvantage is that the production cost of the fermentation tank is high, the fermentation cost is high, the maintenance cost is high, and the temperature is difficult to accurately control, which cannot meet people's requirements.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the technical problems to be solved by the present invention are: the existing fermentation tank is not sufficiently stirred, and the cost of heat preservation and fermentation is high.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is: a fermentation tank, including a tank body and a stirring device;

The tank body is provided with a feeding port and a discharging port, the outer side of the tank body is provided with a steam jacket that forms an interlayer space between the tank body, and the upper part of the steam jacket is provided with a water vapor inlet, and the lower part is provided with a steam jacket. a condensed water outlet; a temperature sensor is arranged in the tank, and a temperature display connected to the temperature sensor through a wire is arranged outside the tank;

The stirring device includes a driving shaft, a driven shaft and a driving device that provides power for the driving shaft, the driving device is arranged on the top of the tank body, and the driving shaft is sequentially installed with a defoamer, A connecting frame and a driving gear, the driving shaft drives the connecting frame and the driving gear to rotate, the driven shaft is hinged to the connecting frame, the axial direction of the driven shaft is arranged in parallel with the axial direction of the driving shaft, and the driven shaft is The top of the driven shaft is provided with a driven gear that meshes with the driving gear, the driven shaft is provided with a plurality of fixed rings axially distributed around the driven shaft, and the outer peripheral surface of the fixed ring is evenly provided with agitators The stirring paddle is fixed on the driven shaft through the fixing ring, and the shape of the stirring paddle is set as a rectangular plate-like structure with an arc.

Wherein, the inner bottom of the tank is also provided with a disc-shaped aeration plate with an air inlet pipe, the air inlet pipe extends to the outside of the tank body, and there are more than two air holes on the aeration plate. The upper part of the tank body is also provided with an air outlet, and all the air holes are provided with a breathable membrane for preventing the material liquid from entering the aeration plate. connected.

Wherein, a plurality of accommodating cavities are opened on the plate surface of the stirring paddle along its length, and a dial wheel is vertically arranged in the accommodating cavity, and the dial wheel includes a rotating shaft and a Blades, the rotating shaft and the stirring shaft are coaxial, and the two ends of the rotating shaft are respectively connected to the corresponding end surfaces in the accommodating cavity in a rotatable manner.

Wherein, the tank body is also provided with an LED lamp for illuminating the tank body, the upper part of the tank body is provided with an upper-view mirror, and the lower part is provided with a lower-view mirror.

Wherein, the shape of the defoamer is a cross shape, and the surface is evenly distributed with a sawtooth structure.

The beneficial effect of the utility model is that: the fermenter provided by the utility model enables the stirring blades arranged on the driven shaft to both rotate and stir around the driving shaft, so that the area close to the driving shaft can produce larger centrifugal stirring Power, enhance the stirring effect, and avoid the dead zone in this area; by setting the stirring paddle into a rectangular plate-like structure with a radian, the stirring paddle can drive the flow of materials to a greater extent when rotating and stirring, and the materials and microorganisms are mixed. It is more uniform and further ensures the fermentation effect; by setting a dial on the stirring paddle, the dial will stir the material locally, change the liquid flow direction of the material, eliminate the vortex generated by stirring, increase the dissolved oxygen rate, and further improve the stirring and mixing effect; Water vapor is used to heat the liquid in the tank, and a temperature sensor is installed inside the tank, so that the operator can accurately control the temperature in the tank and ensure the normal fermentation. When the water vapor dissipates heat and turns into condensed water The utility model can also be recycled, and the cost is reduced; the utility model has the advantages of simple structure, convenient operation, safety, reliability and low cost, and is suitable for popularization and use.

Description of drawings

Fig. 1 shows the structural representation of the fermenter of the specific embodiment of the present utility model;

Fig. 2 is the structural representation of the stirring paddle of the fermenter of the specific embodiment of the present utility model;

Label description:

1. Tank body; 11. Feeding port; 12. Discharging port; 13. Steam jacket; 131. Water vapor inlet; 132. Condensate water outlet; 14. Aeration pan; 15. Air filter;

2, stirring device; 21, driving shaft; 211, defoamer; 212, connecting frame; 213, driving gear; 22, driven shaft; 221, driven gear; 222, fixing ring; 223, stirring paddle; 2231, Dial wheel; 23. Drive device.

Detailed ways

In order to describe in detail the technical content, achieved objects and effects of the present invention, the following descriptions are given with reference to the embodiments and the accompanying drawings.

1 and 2, a fermentation tank of the present invention includes a tank body 1 and a stirring device 2;

The tank body 1 is provided with a feed port 11 and a discharge port 12, the outer side of the tank body 1 is provided with a steam jacket 13 forming an interlayer space with the tank body 1, and the upper part of the steam jacket 13 is provided with a steam jacket 13. The water vapor inlet 131 is provided with a condensed water outlet 132 at the lower part; the tank body 1 is provided with a temperature sensor, and a temperature display connected to the temperature sensor through a wire is provided outside the tank body 1;

The stirring device 2 includes a driving shaft 21, a driven shaft 22, and a driving device 23 that provides power for the driving shaft 21. The driving device 23 is arranged on the top of the tank body 1, and the driving shaft 21 goes from top to A defoamer 211, a connecting frame 212 and a driving gear 213 are installed in sequence at the bottom. The driving shaft 21 drives the connecting frame 212 and the driving gear 213 to rotate. The driven shaft 22 is hinged to the connecting frame 212. The driven shaft 22 The axial direction of the drive shaft 21 is arranged in parallel with the axial direction of the drive shaft 21. The top end of the driven shaft 22 is provided with a driven gear 221 that meshes with the drive gear 213. The fixed ring 222 is axially distributed on the driven shaft 22. The outer peripheral surface of the fixed ring 222 is evenly provided with stirring paddles 223. The stirring paddles 223 are fixed on the driven shaft 22 through the fixed ring 222. The stirring paddles 223 The shape is set as a rectangular plate-like structure with an arc.

The working principle of the above-mentioned fermentation tank is: before the fermentation tank is fermented, air is first introduced into the air filter 15, and the filtered air enters the tank body 1 from the bottom of the tank body 1 evenly, and then gradually removes the inside of the tank body 1. The air is discharged from the top of the tank body 1, so that the air inside the tank body 1 is suitable for fermentation; continue to introduce air, and then according to the proportion of each channel connecting the inside of the tank body 1, the material that needs to be fermented is introduced into the tank body 1; start The driving device 23 drives the driving shaft 21 to rotate, and the driving shaft 21 drives the connecting frame 212 and the driving gear 213 to rotate. Because the driven shaft 22 is hingedly arranged on the connecting frame 212, the driven shaft 22 will revolve around the axis of the driving shaft 21. At the same time, because the driven shaft 22 is provided with a driven gear 221 that meshes with the driving gear 213, the driven shaft 22 will also be driven by the driven gear 221 to complete its rotation, so the driven shaft 22 is provided on the driven shaft 22. The stirring paddle 223 will not only revolve around the driving shaft 21 for stirring, and at the same time, the stirring paddle 223 will also rotate on its own to stir, so that the area in the tank body 1 close to the driving shaft 21 will also have relatively strong centrifugal stirring power. The material is evenly stirred and mixed with the filtered air to ensure the fermentation effect of the material; and the plate-like structure of the stirring paddle 223 improves the contact area between the stirring paddle 223 and the material, and the curved setting makes the material easier to follow the stirring paddle. 223 rotates, so that the stirring paddle 223 can drive the material flow to a greater extent when rotating and stirring, the material and the microorganism are mixed more uniformly, and the fermentation effect is better; the steam jacket 13 can ensure the fermentation temperature in the tank 1.

It can be seen from the above description that the beneficial effect of the present utility model is: the fermenter provided by the present utility model enables the stirring blades arranged on the driven shaft to rotate and stir and revolve around the driving shaft for stirring, so that the area close to the driving shaft produces The larger centrifugal stirring power enhances the stirring effect and avoids the dead zone in this area; by setting the stirring paddle into a rectangular plate-like structure with a radian, the stirring paddle can drive the material flow to a greater extent when rotating and stirring. The material and microorganisms are mixed more evenly, which further ensures the fermentation effect; by setting a dial on the stirring paddle, the dial will stir the material locally, change the liquid flow direction of the material, eliminate the vortex generated by stirring, increase the dissolved oxygen rate, and further Improve the stirring and mixing effect; use water vapor to heat the material and liquid in the tank, and at the same time, a temperature sensor is installed inside the tank, so that the operator can accurately control the temperature in the tank to ensure normal fermentation. When the water vapor dissipates heat After it becomes condensed water, it can be recycled and used, and the cost is reduced; the utility model has the advantages of simple structure, convenient operation, safety and reliability, low cost, and is suitable for popularization and use.

Further, the inner bottom of the tank body 1 is also provided with a disc-shaped aeration plate 14 with an air inlet pipe. For the above air holes, the upper part of the tank body 1 is also provided with an air outlet, and all the air holes are provided with a breathable membrane for preventing the material liquid from entering the aeration plate 14, and an air filter 15 is provided outside the tank body 1. The air filter 15 communicates with the air intake pipe through a ventilation passage.

It can be seen from the above description that through the setting of the aeration plate, when the gas enters the tank from the air inlet pipe, it enters the tank through the air hole of the aeration plate and contacts the material and liquid, which increases the contact surface between the gas and the microorganisms in the tank, which is beneficial to reproduction of microorganisms. In addition, in order to ensure that the gas can enter the tank smoothly, all air holes are provided with a breathable film to prevent the material liquid from entering the aeration plate. The breathable film can prevent the material and liquid in the tank from entering the aeration plate. inside the tank.

Further, a plurality of accommodating cavities are opened on the plate surface of the stirring paddle 223 along its length. The accommodating cavities are vertically provided with a dial wheel 2231, and the dial wheel 2231 includes a rotating shaft and a distribution The blades on the rotating shaft, the rotating shaft and the stirring shaft are coaxial, and the two ends of the rotating shaft are respectively rotatably connected to the corresponding end faces in the accommodating cavity.

It can be seen from the above description that through the setting of the accommodating cavity, the stirring paddle drives the surrounding materials to stir, and the material will pass through the accommodating cavity on the stirring paddle at the same time, thereby driving the dial wheel to rotate, and the dial wheel will align the passing through. The material is stirred locally, which further improves the stirring efficiency and ensures the fermentation effect of the material. The stirring of the dial wheel can change the direction of the liquid flow, eliminate the vortex generated by the stirring, increase the dissolved oxygen rate, and improve the stirring and mixing effect.

Further, the tank body 1 is also provided with an LED lamp for illuminating the inside of the tank body 1 , the upper part of the tank body 1 is provided with an upper-view mirror, and the lower part is provided with a lower-view mirror.

It can be seen from the above description that the staff can observe the growth of microorganisms in the tank by cleaning from the upper and lower mirrors under the illumination of the LED light, which is helpful for the staff to make correct judgments.

Further, the shape of the defoamer 211 is a cross shape, and the surface is evenly distributed with a sawtooth structure.

It can be seen from the above description that the setting of the cross-shaped defoamer can more comprehensively remove the air bubbles on the liquid surface, and the sawtooth structure is convenient for breaking the air bubbles.

Please refer to Figure 1 and Figure 2, the first embodiment of the present utility model is:

A fermentation tank, comprising a tank body 1 and a stirring device 2;

The tank body 1 is provided with a feed port 11 and a discharge port 12, the outer side of the tank body 1 is provided with a steam jacket 13 forming an interlayer space with the tank body 1, and the upper part of the steam jacket 13 is provided with a steam jacket 13. The water vapor inlet 131 is provided with a condensed water outlet 132 at the lower part; the tank body 1 is provided with a temperature sensor, and a temperature display connected to the temperature sensor through a wire is provided outside the tank body 1;

The stirring device 2 includes a driving shaft 21, a driven shaft 22, and a driving device 23 that provides power for the driving shaft 21. The driving device 23 is arranged on the top of the tank body 1, and the driving shaft 21 goes from top to A defoamer 211, a connecting frame 212 and a driving gear 213 are installed in sequence at the bottom. The driving shaft 21 drives the connecting frame 212 and the driving gear 213 to rotate. The driven shaft 22 is hinged to the connecting frame 212. The driven shaft 22 The axial direction of the drive shaft 21 is arranged in parallel with the axial direction of the drive shaft 21. The top end of the driven shaft 22 is provided with a driven gear 221 that meshes with the drive gear 213. The fixed ring 222 is axially distributed on the driven shaft 22. The outer peripheral surface of the fixed ring 222 is evenly provided with stirring paddles 223. The stirring paddles 223 are fixed on the driven shaft 22 through the fixed ring 222. The stirring paddles 223 The shape is set as a rectangular plate-like structure with radian;

The inner bottom of the tank body 1 is also provided with a disc-shaped aeration plate 14 with an air inlet pipe. The air inlet pipe extends to the outside of the tank body 1. The aeration plate 14 is also provided with more than two air holes. , the upper part of the tank body 1 is also provided with an air outlet, and all the air holes are provided with a breathable membrane for preventing the material liquid from entering the aeration plate 14, and an air filter 15 is provided outside the tank body 1. The air filter 15 is communicated with the air intake pipe through a ventilation passage;

A plurality of accommodating cavities are formed on the plate surface of the stirring paddle 223 along its length. The accommodating cavities are vertically provided with a dial wheel 2231, and the dial wheel 2231 includes a rotating shaft and is distributed on the rotating shaft. The blades of the rotating shaft are coaxial with the stirring shaft, and the two ends of the rotating shaft are respectively connected to the corresponding end faces in the accommodating cavity;

The tank body 1 is also provided with an LED lamp for illuminating the tank body 1, the upper part of the tank body 1 is provided with an upper-view mirror, and the lower part is provided with a lower-view mirror;

The shape of the defoamer 211 is a cross shape, and the surface is evenly distributed with a sawtooth structure.

To sum up, the fermenter provided by the present utility model enables the stirring blades arranged on the driven shaft to both rotate and stir around the driving shaft, so that a larger centrifugal stirring power is generated in the area close to the driving shaft, enhancing the The stirring effect can avoid the dead zone in this area; by setting the stirring paddle into a rectangular plate-like structure with an arc, the stirring paddle can drive the flow of materials to a greater extent when rotating and stirring, and the materials and microorganisms are mixed more uniformly. To further ensure the fermentation effect; by setting a dial on the stirring paddle, the dial will stir the material locally, change the liquid flow direction of the material, eliminate the vortex generated by stirring, increase the dissolved oxygen rate, and further improve the stirring and mixing effect; use water vapor The material and liquid in the tank are heated, and a temperature sensor is installed inside the tank, so that the operator can accurately control the temperature in the tank and ensure the normal fermentation. The recycling and utilization reduces the cost; the utility model has the advantages of simple structure, convenient operation, safety, reliability and low cost, and is suitable for popularization and use;

Through the setting of the aeration plate, when the gas enters the tank from the air inlet pipe, it enters the tank through the air hole of the aeration plate and contacts the material and liquid, which increases the contact surface between the gas and the microorganisms in the tank, which is conducive to the reproduction of microorganisms. In addition, in order to ensure that the gas can enter the tank smoothly, all air holes are provided with a breathable film to prevent the material liquid from entering the aeration plate. The breathable film can prevent the material and liquid in the tank from entering the aeration plate. inside the tank;

Through the setting of the accommodating cavity, the stirring paddle drives the surrounding materials to stir, and the material will pass through the accommodating cavity on the stirring paddle at the same time, thereby driving the dial wheel to rotate, and the dial wheel will locally stir the passing material, The stirring efficiency is further improved to ensure the fermentation effect of the material, and the stirring of the dial wheel can change the direction of the liquid flow, eliminate the vortex generated by the stirring, increase the dissolved oxygen rate, and improve the stirring and mixing effect;

The staff can observe the growth of microorganisms in the tank from the upper and lower mirrors under the illumination of the LED light, which is helpful for the staff to make correct judgments;

Through the setting of the cross-shaped defoamer, the bubbles on the liquid surface can be removed more comprehensively, and the sawtooth structure is convenient to break the bubbles.

The above are only the embodiments of the present utility model, and are not intended to limit the scope of the present utility model patent. All equivalent transformations made by using the contents of the present utility model description and accompanying drawings, or directly or indirectly applied in related technical fields, are the same as The principles are included in the scope of patent protection of the present invention.

Claims (5)

1. a fermentation tank, is characterized in that, comprises tank body and stirring device; The tank body is provided with a feeding port and a discharging port, the outer side of the tank body is provided with a steam jacket that forms an interlayer space between the tank body, and the upper part of the steam jacket is provided with a water vapor inlet, and the lower part is provided with a steam jacket. a condensed water outlet; a temperature sensor is arranged in the tank, and a temperature display connected to the temperature sensor through a wire is arranged outside the tank; The stirring device includes a driving shaft, a driven shaft and a driving device that provides power for the driving shaft, the driving device is arranged on the top of the tank body, and the driving shaft is sequentially installed with a defoamer, A connecting frame and a driving gear, the driving shaft drives the connecting frame and the driving gear to rotate, the driven shaft is hinged to the connecting frame, the axial direction of the driven shaft is arranged in parallel with the axial direction of the driving shaft, and the driven shaft is The top of the driven shaft is provided with a driven gear that meshes with the driving gear, the driven shaft is provided with a plurality of fixed rings axially distributed around the driven shaft, and the outer peripheral surface of the fixed ring is evenly provided with agitators The stirring paddle is fixed on the driven shaft through the fixing ring, and the shape of the stirring paddle is set as a rectangular plate-like structure with an arc. 2. The fermenter according to claim 1, wherein the inner bottom of the tank is further provided with a disc-shaped aeration plate with an air inlet pipe, the air inlet pipe extends to the outside of the tank body, and the aeration plate is There are more than two air holes on the plate, and an air outlet is also arranged on the upper part of the tank body. All air holes are provided with a breathable membrane for preventing the material liquid from entering the aeration plate. An air filter is arranged outside the tank. The air filter is communicated with the air intake pipe through a ventilation passage. 3. The fermenter according to claim 1, wherein a plurality of accommodating cavities are provided on the plate surface of the stirring paddle along its length, and dial wheels are vertically arranged in the accommodating cavities. , the dial includes a rotating shaft and blades distributed on the rotating shaft, the rotating shaft and the driven shaft are coaxial, and the two ends of the rotating shaft are respectively rotatably connected to the corresponding end surfaces in the accommodating cavity. 4. The fermentation tank according to claim 1, characterized in that, the tank body is further provided with an LED lamp for illuminating the tank body, the upper part of the tank body is provided with an upper-view mirror, and the lower part is provided with a lower-view mirror. 5 . The fermentation tank according to claim 1 , wherein the shape of the defoamer is a cross shape, and the surface is evenly distributed with a sawtooth structure. 6 .

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