CN219586078U

CN219586078U - Vertical biological fermentation tank

Info

Publication number: CN219586078U
Application number: CN202320689285.9U
Authority: CN
Inventors: 李敬伟; 李登辉
Original assignee: Henan Luoxiaowang Biological Technology Co ltd
Current assignee: Henan Luoxiaowang Biological Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-25
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to a vertical biological fermentation tank, wherein an upper sealing plate is sealed at the upper end of a cylindrical shell, a lower sealing plate is sealed at the lower end of the cylindrical shell, a packing auger structure is arranged in the cylindrical shell, a rotating disc is arranged on the outer peripheral surface of a rotating shaft of the packing auger structure, a spiral blade is arranged on the rotating disc, the upper end of the rotating shaft extends out of the upper sealing plate and is assembled with the upper sealing plate in a rotating way, a conical closing section is arranged at the lower end of the cylindrical shell, a gap is arranged between the position where the spiral blade extends upwards and the upper sealing plate, an exhaust port is arranged at the upper end of the cylindrical shell, the exhaust port faces the gap, and a pressure relief valve is arranged on the exhaust port in a connecting way. According to the packing auger structure, materials in the cylindrical shell can be lifted upwards, the lifted materials can fall from the outer side, overturning and stirring are achieved, stirring is very uniform, the materials can be gathered to the packing auger structure through the closing-in section of the cylindrical shell, the materials can be guaranteed to participate in circulation to the greatest extent, and the pressure relief valve is arranged on the exhaust port of the cylindrical shell in a connecting mode, so that the pressure can be prevented from being too high.

Description

Vertical biological fermentation tank

Technical Field

The utility model relates to a fermentation tank, in particular to a vertical biological fermentation tank, which belongs to a microbial fermentation device.

Background

In the field of microbial fermentation, a fermenter is a commonly used device into which materials to be fermented and desired microorganisms are placed, and is subjected to fermentation production under certain conditions, and during the fermentation process, certain conditions are required to be maintained and certain operations are performed, such as: in order to ensure the uniformity of fermentation, a stirring device needs to be arranged in a fermentation tank, the stirring device in the prior art generally comprises a stirring shaft, stirring blades are arranged on the stirring shaft, the stirring blades play a role in overturning, the overturning effect is generally only that an axis section where the equalizing line is located is provided, the overturning in the whole axis direction cannot be realized, when the flowability of the fermented material is poor, the stirring uniformity is not good enough, and especially for a vertical stirring tank, the stirring uniformity of the vertical stirring tank needs to be improved. In addition, gases and heat are generated during some fermentation processes, resulting in excessive pressure in the fermentor, affecting the fermentation process.

Disclosure of Invention

The utility model aims to provide a vertical biological fermentation tank, which solves the problem that the stirring uniformity of a stirring device of the vertical biological fermentation tank in the prior art is not good enough when stirring materials with poor fluidity.

In order to solve the problems, the vertical biological fermentation tank provided by the utility model adopts the following technical scheme: the utility model provides a vertical biological fermentation tank, includes the tube-shape casing, the upper end of tube-shape casing seal and be equipped with the shrouding, the lower extreme seals and is equipped with down the shrouding, is provided with auger structure in the tube-shape casing, the rotary disk is equipped with helical blade on the outer peripheral face of the pivot of auger structure, the upper end of pivot stretches out the shrouding and rotates the assembly with last shrouding, the lower tip of tube-shape casing has the binding off section of cone, helical blade upwards extends to the position and has the clearance between the upper shrouding, the gas vent has been seted up to tube-shape casing upper end, the gas vent orientation the clearance, the connection is provided with the relief valve on the gas vent.

The pressure relief valve comprises a valve body, wherein the valve body is provided with an air inlet communicated with an air outlet and an air outlet communicated with the outside, a valve core is arranged in the valve body in a moving mode, one end of the valve core is located in a space communicated with the air inlet, a reset structure of the valve core is arranged between the other end of the valve core and the valve body, an anti-falling structure for preventing the valve core from being separated from the valve body under the action of the reset structure is arranged between the valve core and the valve body, and the air inlet and the air outlet are located at two sides or one side of the valve core in the moving process of the valve core.

The reset structure of the valve core is a pressure spring with two ends respectively propped against the valve core and the valve body, a stabilizer bar is inserted into the pressure spring, and the stabilizer bar is fixed on the valve core or the valve body.

The stabilizer bar is fixed on the valve core through one end, and the other end of the stabilizer bar is in sliding fit with a guide hole formed in the valve body.

The anti-drop structure is a collar arranged on the end of the stabilizing rod, and the collar is in limit fit with the valve body.

The valve body is cylindrical, and one end of the valve body is provided with an air inlet.

The exhaust port is connected with the pressure relief valve through a pipeline, a flange is arranged at one end of the outer side of the valve body where the air inlet is located, and the valve body is connected with the flange on the pipeline through the flange.

The valve core is a piston which is arranged in the valve body in a sliding way.

The lower end part of the cylindrical shell is provided with an inflation inlet.

The diameter of the outer edge of the spiral blade is one half of the diameter of the inner hole of the cylindrical shell.

According to the utility model, the auger structure is arranged in the cylindrical shell, materials in the cylindrical shell can be lifted upwards through the auger structure, the lifted materials can fall from the outer side, the whole axial overturning stirring is realized, the stirring is very uniform, the lower end part of the cylindrical shell is provided with the conical closing-in section, the closing-in section can gather the materials to the auger structure, the materials can participate in circulation, the stirring is more uniform, and meanwhile, the pressure relief valve is connected to the exhaust port of the cylindrical shell, so that the pressure stability in the cylindrical shell can be reliably ensured, and the overhigh pressure is prevented.

The pressure relief valve body is provided with the air inlet communicated with the air outlet and the air outlet communicated with the outside, the valve body is internally provided with the valve core, one end of the valve core is positioned in a space communicated with the air inlet, a reset structure of the valve core is arranged between the other end of the valve core and the valve body, and the air inlet and the air outlet are positioned at two sides or one side of the valve core in the moving process of the valve core, so that the pressure relief valve is simple in structure and reliable in operation.

The lower end part of the cylindrical shell is provided with the charging port, constant-temperature gas can be charged into the cylindrical shell through the charging port, the gas can play a role in conveying materials, so that the materials are more uniform, and the constant-temperature gas can ensure the fermentation temperature. And because the pressure release valve exists, the environment with constant pressure in the cylindrical shell can be ensured, and the application range of the utility model is widened.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following briefly describes the drawings that are required to be used in the embodiments:

FIG. 1 is a top view of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic perspective view of an embodiment of the present utility model;

fig. 4 is a schematic perspective view of an dragon structure according to an embodiment of the present utility model;

fig. 5 is a partial enlarged view at a in fig. 2.

Detailed Description

In order to make the technical purpose, technical scheme and beneficial effect of the present utility model more clear, the technical scheme of the present utility model is further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In fig. 1-5, sealing plates are arranged at the upper end and the lower end of a cylindrical shell 1, an upper sealing plate 2 is sealed on an upper end opening of the cylindrical shell 1, a lower sealing plate 3 is sealed on a lower end opening of the cylindrical shell 1, an auger structure 4 is arranged in the cylindrical shell 1, two ends of a rotating shaft 5 of the auger structure 4 extend out of the upper sealing plate 2 and the lower sealing plate 3 respectively, and two ends of the rotating shaft 5 are assembled with the upper sealing plate 2 and the lower sealing plate 3 in a rotating way respectively. The part of the rotating shaft outside the upper sealing plate 2 is used for being connected with a power structure, the rotating shaft 5 is driven to rotate, and the power structure can be matched in a later period. The rotating disc on the outer peripheral surface of the rotating shaft 5 is provided with a spiral blade 6, and the auger structure is an auger structure arranged on the force of the spiral conveyor in the prior art, and belongs to a commercial part. The outer edge diameter of the helical blade 6 is one half of the inner hole diameter of the cylindrical shell 1, that is to say, a larger gap is formed between the helical blade 6 and the cylindrical shell 1, so that the auger structure loses the transportation effect, the material cannot be always transported in one direction, the material can fall down again through the gap at the outer side, and a conical closing-in section 7 is arranged at the lower section of the cylindrical shell 1, so that the material at the lower section of the cylindrical shell 1 can gather towards the auger structure, and stirring is more uniform. Because the helical blade 6 and the cylindrical shell 1 have larger gaps, the lifting capacity for materials is also reduced, but the overturning stirring effect is also possible under the action of friction force between materials, and the embodiment is also suitable for materials with poor flow performance, and the friction force between materials is large. The spiral blade extends upwards to the position and the upper sealing plate between the clearance, namely the spiral blade 6 does not extend to the upper end of the cylindrical shell 1, a certain clearance is provided, the upper end of the cylindrical shell 1 is provided with an exhaust port 8, the exhaust port 8 faces the clearance, that is, the material cannot be lifted to the exhaust port, the exhaust port can be prevented from being blocked, the exhaust port is ensured to have an exhaust function, and a pressure relief valve 9 is connected to the exhaust port 8. The valve body 10 of the pressure release valve 9 is cylindrical, one end of the valve body 10 is opened to be an air inlet, the other end is closed and provided with a guide hole, a piston 11 serving as a valve core is arranged in the valve body 10 in a sliding manner, a rod of the piston 11 serves as a stabilizing rod 12, a pressure spring 13 is sleeved on the stabilizing rod 12, two ends of the pressure spring 13 are respectively propped against the piston 11 and the valve body 10, the stabilizing rod is in interactive guide fit with the guide hole, an air outlet 14 is formed in the side wall of the valve body 10, the piston is pushed to move towards the other side of the valve body by pressure increase in the cylindrical shell 1, after the piston moves through the air outlet, air in the cylindrical shell 1 is discharged to the air through the air outlet, the pressure is reduced, the pressure spring for resetting pushes the piston to reset and provides a certain pre-pressure, a certain pressure can be kept in the cylindrical shell 1, an anti-falling collar 17 is arranged on the part of the stabilizing rod extending out of the valve body 10, and the integrity of the pressure release valve can be ensured by the collar 17. A flange is arranged at one end of the outer side of the valve body 10 where the air inlet is located, a pipeline 15 is arranged on the air outlet of the cylindrical shell 1, the flange is also arranged on the pipeline 15, and the valve body 10 is connected with the flange on the pipeline 15 through the flange. An air charging port 16 is arranged at the lower end part of the cylindrical shell 1, the cylindrical shell 1 can be inflated through the air charging port, the oxygen adding amount, heating or cooling can be controlled, and gases such as nitrogen, carbon dioxide and the like can be introduced to remove oxygen, the fermentation temperature can be controlled and the like in anaerobic fermentation.

In this embodiment, a certain relief valve is used, and in other embodiments, other relief valves of other structures in the prior art may be used alternatively.

In this embodiment, the lower end of the rotating shaft extends out of the lower sealing plate and is rotationally assembled with the lower sealing plate, in other embodiments, the lower end of the rotating shaft may not extend out of the lower sealing plate and may be directly mounted on the inner surface of the lower sealing plate, and the mounting of the rotating shaft may be performed by using a bearing seat, which belongs to a mature conventional technology, and in this embodiment, no special mounting mode is adopted, and no detailed description is required.

Finally, what should be said is: the above embodiments are only for illustrating the technical solution of the present utility model, and any equivalent replacement of the present utility model and modification or partial replacement without departing from the spirit and scope of the present utility model should be covered in the scope of the claims of the present utility model.

Claims

1. The utility model provides a vertical biological fermentation tank, includes the tube-shape casing, and the upper end of tube-shape casing seals and is equipped with the shrouding, and the lower extreme seals and is equipped with down the shrouding, and its characterized in that is provided with auger structure in the tube-shape casing, and the rotary disk is equipped with helical blade on the outer peripheral face of auger structure's pivot, and the upper end of pivot stretches out the shrouding and rotates the assembly with last shrouding, and the lower tip of tube-shape casing has the binding off section of taper, has the clearance between helical blade upwards extends to the position and the last shrouding, the gas vent has been seted up to tube-shape casing upper end, and the gas vent orientation the clearance is provided with the relief valve in the connection on the gas vent.

2. The vertical biological fermentation tank of claim 1, wherein the pressure relief valve comprises a valve body, the valve body is provided with an air inlet communicated with the air outlet and an air outlet communicated with the outside, a valve core is arranged in the valve body, one end of the valve core is positioned in a space communicated with the air inlet, a reset structure of the valve core is arranged between the other end of the valve core and the valve body, an anti-falling structure for preventing the valve core from being separated from the valve body under the action of the reset structure is arranged between the valve core and the valve body, and the air inlet and the air outlet are positioned at two sides or one side of the valve core in the moving process of the valve core.

3. The vertical biological fermentation tank of claim 2, wherein the return structure of the valve core is a compression spring with two ends respectively pressed against the valve core and the valve body, a stabilizer bar is inserted in the compression spring, and the stabilizer bar is fixed on the valve core or the valve body.

4. The vertical biological fermentation tank of claim 3, wherein the stabilizer bar is fixed on the valve core through one end, and the other end of the stabilizer bar is in sliding fit with a guide hole formed on the valve body.

5. The vertical biological fermentation tank of claim 4, wherein the anti-disengaging structure is a collar arranged on the end of the stabilizing rod, and the collar is in limit fit with the valve body.

6. The vertical biological fermentation tank of claim 5, wherein the valve body is cylindrical and has an air inlet opening at one end.

7. The vertical biological fermentation tank of claim 6, wherein the exhaust port is connected with the pressure relief valve through a pipeline, a flange is arranged at one end of the outer side of the valve body where the air inlet is located, and the valve body is connected with the flange on the pipeline through the flange.

8. The vertical biological fermentation tank of claim 7, wherein the valve core is a piston slidably disposed within the valve body.

9. The vertical biological fermentation tank of claim 1, wherein the lower end of the cylindrical shell is provided with an inflation inlet.

10. The vertical biological fermentation tank of claim 1, wherein the diameter of the outer edge of the helical blade is one half of the diameter of the inner hole of the cylindrical shell.