Oxygen supply device for solid aerobic fermentation

By employing a movable oxygen supply end and heating device in the solid-state aerobic fermentation device, the problem of uneven oxygen distribution was solved, fermentation efficiency and product quality were improved, and energy consumption was reduced.

CN223674625UActive Publication Date: 2025-12-16HENAN JIUTIAN BIOTECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422534943.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-12-16
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

In traditional solid-state aerobic fermentation, the fixed oxygen supply end leads to uneven oxygen distribution, affecting the stability and efficiency of the fermentation process.

Method used

A movable oxygen supply end and heating device are adopted. The oxygen supply end is evenly distributed in the fermenter through a motor and a lead screw mechanism, and the oxygen is heated to a suitable temperature before supplying oxygen.

Benefits of technology

This method achieves uniform oxygen distribution within the fermenter, improves the efficiency of microbial metabolic activities, increases the yield and quality of fermentation products, and reduces the energy consumption of ventilation equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223674625U_ABST
    Figure CN223674625U_ABST
Patent Text Reader

Abstract

The utility model discloses an oxygen supply device for solid aerobic fermentation, which comprises a fermentation tank and an oxygen supply mechanism, a rotating shaft is rotatably arranged in the fermentation tank, a plurality of groups of stirring rods are fixedly arranged on the rotating shaft, a first motor is fixedly arranged outside the fermentation tank, the oxygen supply mechanism comprises an oxygen supply fan and an oxygen supply end, the oxygen supply end is arranged in the fermentation tank, and the first motor is arranged in the fermentation tank. A moving mechanism for driving the oxygen supply end to move is arranged on the fermentation tank and comprises a motor II and a lead screw I. According to the utility model, the motor II and the lead screw I are mounted, when the motor II is started, the lead screw I rotates, the rotation of the lead screw I drives the lead screw nut meshed with the lead screw I to move along the axis of the lead screw I, and the movement of the lead screw nut further drives the oxygen supply end connected with the lead screw nut to move in the fermentation tank; therefore, the oxygen can be uniformly distributed into materials in the fermentation tank, microorganisms can fully utilize the oxygen to carry out metabolic activities, the fermentation process is accelerated, and the yield and the quality of fermentation products are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen supply device technical field, concretely is oxygen supply device for solid state aerobic fermentation. BACKGROUND

[0002] Oxygen supply device for solid state aerobic fermentation is designed to meet the demand of microorganism for oxygen in the solid state fermentation process, and the working principle of the oxygen supply device is mainly based on the diffusion of oxygen in the fermentation tank and the utilization of oxygen by microorganism.

[0003] Nowadays, in the process of solid state aerobic fermentation, the oxygen supply end of the traditional oxygen supply mechanism is mostly fixedly arranged on the fermentation tank, and the fixed oxygen supply end may cause insufficient distribution of oxygen in some areas of the fermentation pile, forming dead angles, and uneven oxygen supply may occur, which affects the stability and efficiency of the fermentation process. UTILITY MODEL CONTENT

[0004] The utility model aims at providing oxygen supply device for solid state aerobic fermentation to solve the problems in the above background technique.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An oxygen supply device for solid state aerobic fermentation comprises a fermentation tank and an oxygen supply mechanism, the fermentation tank is rotatably provided with a rotating shaft, a plurality of stirring rods are fixedly arranged on the rotating shaft, a motor one for driving the rotating shaft to rotate is fixedly arranged outside the fermentation tank, the oxygen supply mechanism comprises an oxygen supply fan and an oxygen supply end, the oxygen supply end is arranged inside the fermentation tank, a moving mechanism for driving the oxygen supply end to move is arranged on the fermentation tank, and the moving mechanism comprises a motor two and a lead screw one.

[0007] Preferably, a plurality of guide rods are fixedly arranged inside the fermentation tank, a connecting piece is movably arranged on the guide rods, and the bottom of the connecting piece is fixedly connected with the top of the oxygen supply end.

[0008] Preferably, the lead screw one is rotatably arranged inside the fermentation tank, a lead screw nut is meshingly arranged on the lead screw one, the bottom of the lead screw nut is fixedly connected with the top of the oxygen supply end, a motor two is fixedly arranged outside the fermentation tank, and the output end of the motor two is fixedly connected with one end of the lead screw one.

[0009] Preferably, the top of the fermentation tank is fixedly provided with a protective shell, the inside of the protective shell is fixedly provided with a plurality of oxygen supply fans and a heating box respectively, the air outlet end of the oxygen supply fan extends to the inside of the heating box, the inside of the heating box is fixedly provided with a heating element, a plurality of air outlet pipes are fixedly arranged on the heating box, one end of the air outlet pipe is fixedly connected with a telescopic air outlet hose, the telescopic air outlet hose is located in the inside of the fermentation tank, and one end of the telescopic air outlet hose extends to the inside of the oxygen supply end.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. The utility model discloses a fermentation tank, which comprises a fermentation tank body, a rotating shaft, a stirring rod, a motor one, an oxygen supply fan, an oxygen supply end, a guide rod, a connecting piece, a screw one and a screw nut.

[0012] 2. The utility model discloses a fermentation tank, which comprises a fermentation tank body, a rotating shaft, a stirring rod, a motor one, an oxygen supply fan, an oxygen supply end, a guide rod, a connecting piece, a screw one and a screw nut. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0014] Fig. 2 It is the oxygen supply end structure schematic diagram of the utility model;

[0015] Fig. 3 It is the heating box structure schematic diagram of the utility model.

[0016] In the drawing: 1, fermentation tank;2, rotating shaft;3, stirring rod;4, motor one;5, oxygen supply fan;6, oxygen supply end;7, guide rod;8, connecting piece;9, screw one;10, screw nut;11, motor two;12, heating box;13, heating element;14, air outlet pipe;15, telescopic air outlet hose;16, protective shell. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] Please refer to Figs. 1-3 A solid state aerobic fermentation oxygen supply device, comprising a fermentation tank 1 and an oxygen supply mechanism, a rotating shaft 2 is rotatably arranged in the fermentation tank 1, a plurality of stirring rods 3 are fixedly arranged on the rotating shaft 2, a motor one 4 for driving the rotating shaft 2 to rotate is fixedly arranged outside the fermentation tank 1, the oxygen supply mechanism comprises an oxygen supply fan 5 and an oxygen supply end 6, the oxygen supply end 6 is arranged in the interior of the fermentation tank 1, a moving mechanism for driving the oxygen supply end 6 to move is arranged on the fermentation tank 1, the moving mechanism comprises a motor two 11 and a lead screw one 9, the fermentation tank 1 is a main container for solid state aerobic fermentation, the rotating shaft 2 is an axis that can rotate around its own axis, which is arranged in the interior of the fermentation tank 1, the stirring rod 3 is fixed on the rotating shaft 2, when the rotating shaft 2 rotates, the stirring rod 3 will also move, thereby effectively stirring and mixing the materials in the fermentation tank 1, to ensure that oxygen can be uniformly distributed, and also help the uniform fermentation of the materials, the motor one 4 is an external driving device, which is fixed outside the fermentation tank 1, for driving the rotating shaft 2 to rotate, by adjusting the rotating speed of the motor one 4, the stirring speed and intensity of the stirring rod 3 can be controlled, the oxygen supply fan 5 is a device capable of generating airflow, for delivering oxygen to the oxygen supply end 6, the oxygen supply end 6 is responsible for uniformly distributing the airflow generated by the oxygen supply fan 5 to the materials in the fermentation tank 1, through the installation of the motor two 11 and the lead screw one 9, when the motor two 11 starts, it will drive the lead screw one 9 to rotate, the rotation of the lead screw one 9 will drive the lead screw nut 10 meshed therewith to move along the axis of the lead screw one 9, the movement of the lead screw nut 10 will further drive the oxygen supply end 6 connected therewith to move in the interior of the fermentation tank 1, thereby ensuring that oxygen can be uniformly distributed to the materials in the fermentation tank 1, by improving the uniformity of oxygen supply, it helps microorganisms to more fully utilize oxygen for metabolic activity, accelerates the fermentation process, and improves the yield and quality of fermentation products.

[0019] Please refer to Fig. 2 And Fig. 3The inside of the fermentation tank 1 is fixedly provided with a plurality of guide rods 7, the guide rods 7 are movably provided with connecting pieces 8, and the bottom of the connecting piece 8 is fixedly connected with the top of the oxygen supply end 6. The inside of the fermentation tank 1 is rotatably provided with a lead screw one 9, the lead screw one 9 is meshed with a lead screw nut 10, and the bottom of the lead screw nut 10 is fixedly connected with the top of the oxygen supply end 6. The outside of the fermentation tank 1 is fixedly provided with a motor two 11, and the output end of the motor two 11 is fixedly connected with one end of the lead screw one 9. The guide rod 7 is fixedly arranged in the inside of the fermentation tank 1, which plays a guiding and supporting role. The guide rod 7 ensures that the connecting piece 8 (and the oxygen supply end 6 connected therewith) can remain stable when moving and will not deviate from the predetermined track. The function of the lead screw one 9 is to convert rotary motion into linear motion through meshing with the lead screw nut 10. When the lead screw one 9 rotates, the lead screw nut 10 will move along the axis of the lead screw one 9, thereby driving the oxygen supply end 6 to move. The output end of the motor two 11 is fixedly connected with one end of the lead screw one 9, so when the motor two 11 starts, it will drive the lead screw one 9 to rotate. When the motor two 11 starts, it will drive the lead screw one 9 to rotate. The rotation of the lead screw one 9 will drive the lead screw nut 10 meshed therewith to move along the axis of the lead screw one 9. The movement of the lead screw nut 10 will further drive the oxygen supply end 6 (guided by the connecting piece 8 and the guide rod 7) connected therewith to move inside the fermentation tank 1, thereby ensuring that oxygen can be uniformly distributed to the material in the fermentation tank 1. By improving the uniformity of oxygen supply, it helps microorganisms to more fully utilize oxygen for metabolic activity, thereby accelerating the fermentation process and improving the yield and quality of fermentation products. Since the oxygen is more evenly distributed, the amount of oxygen required by microorganisms during the fermentation process may be reduced, which helps to reduce the energy consumption of the ventilation equipment and improve energy utilization efficiency.

[0020] Please refer to Fig. 2 and Fig. 3The top of the fermentation tank 1 is fixedly provided with a protective shell 16, the inside of the protective shell 16 is fixedly provided with a plurality of oxygen supply fans 5 and a heating box 12 respectively, and the air outlet end of the oxygen supply fan 5 extends to the inside of the heating box 12. The inside of the heating box 12 is fixedly provided with a heating element 13. A plurality of air outlet pipes 14 are fixedly arranged on the heating box 12. One end of the air outlet pipe 14 is fixedly connected with a telescopic air outlet hose 15. The telescopic air outlet hose 15 is located in the inside of the fermentation tank 1. One end of the telescopic air outlet hose 15 extends to the inside of the oxygen supply end 6. The main function of the protective shell 16 is to protect the internal components such as the oxygen supply fan 5 and the heating box 12 from external environmental interference and damage. The function of the oxygen supply fan 5 is to suck fresh air from the outside and deliver it to the heating box 12 for heating treatment. The heating box 12 is a box body fixedly provided with a heating element 13. Its function is to heat the air delivered by the oxygen supply fan 5 to the temperature required for the fermentation process, so as to ensure that the oxygen has been preheated to the appropriate temperature before entering the fermentation tank 1, thereby avoiding adverse effects on the fermentation process. The heated air is delivered to the oxygen supply end 6 in the inside of the fermentation tank 1 through the air outlet pipe 14 and the telescopic air outlet hose 15. The air outlet pipe 14 is a pipeline leading out of the heating box 12. The telescopic air outlet hose 15 is designed to be able to stretch and adjust according to the position of the oxygen supply end 6 in the inside of the fermentation tank 1, so as to ensure that the oxygen can be accurately delivered to the outlet of the oxygen supply end 6. The heating treatment ensures that the oxygen has been preheated to the appropriate temperature before entering the fermentation tank 1, thereby helping to optimize the fermentation process and improve production efficiency.

[0021] The working principle is that the fermentation tank 1 is the main container for solid aerobic fermentation, the rotating shaft 2 is a shaft that can rotate around its own axis, which is arranged in the interior of the fermentation tank 1, the stirring rod 3 is fixed on the rotating shaft 2, when the rotating shaft 2 rotates, the stirring rod 3 will also move, thereby effectively stirring and mixing the materials in the fermentation tank 1, to ensure that oxygen can be uniformly distributed, and also helps the uniform fermentation of the materials, the motor one 4 is an external driving device, which is fixed outside the fermentation tank 1, for driving the rotating shaft 2 to rotate, by adjusting the rotating speed of the motor one 4, the stirring speed and intensity of the stirring rod 3 can be controlled, the oxygen supply fan 5 is a device that can generate airflow, for delivering oxygen to the oxygen supply end 6, the oxygen supply end 6 is responsible for uniformly distributing the airflow generated by the oxygen supply fan 5 to the materials in the fermentation tank 1, through the installation of the motor two 11 and the lead screw one 9, when the motor two 11 starts, it will drive the lead screw one 9 to rotate, the rotation of the lead screw one 9 will drive the lead screw nut 10 meshed with it to move along the axis of the lead screw one 9, the movement of the lead screw nut 10 will further drive the oxygen supply end 6 connected with it to move in the interior of the fermentation tank 1, thereby ensuring that oxygen can be uniformly distributed to the materials in the fermentation tank 1, by improving the uniformity of oxygen supply, it helps microorganisms to make more full use of oxygen for metabolic activity, thereby accelerating the fermentation process, improving the yield and quality of fermentation products, because the distribution of oxygen is more uniform, the amount of oxygen required by microorganisms during the fermentation process may be reduced, which helps to reduce the energy consumption of the ventilation equipment and improve the energy utilization efficiency, the guide rod 7 is fixedly arranged in the interior of the fermentation tank 1, which plays a guiding and supporting role, the guide rod 7 ensures that the connecting piece 8 (and the oxygen supply end 6 connected with it) can remain stable when moving and will not deviate from the predetermined track, the function of the lead screw one 9 is to convert rotary motion into linear motion through meshing with the lead screw nut 10, when the lead screw one 9 rotates, the lead screw nut 10 will move along the axis of the lead screw one 9, thereby driving the oxygen supply end 6 to move, the output end of the motor two 11 is fixedly connected with one end of the lead screw one 9 outside, therefore when the motor two 11 starts, it will drive the lead screw one 9 to rotate, when the motor two 11 starts, it will drive the lead screw one 9 to rotate, the rotation of the lead screw one 9 will drive the lead screw nut 10 meshed with it to move along the axis of the lead screw one 9, the movement of the lead screw nut 10 will further drive the oxygen supply end 6 (guided by the connecting piece 8 and the guide rod 7) connected with it to move in the interior of the fermentation tank 1, thereby ensuring that oxygen can be uniformly distributed to the materials in the fermentation tank 1, by improving the uniformity of oxygen supply, it helps microorganisms to make more full use of oxygen for metabolic activity, thereby accelerating the fermentation process, improving the yield and quality of fermentation products, because the distribution of oxygen is more uniform, the amount of oxygen required by microorganisms during the fermentation process may be reduced, which helps to reduce the energy consumption of the ventilation equipment and improve the energy utilization efficiency, the main function of the protective shell 16 is to protect the internal components such as the oxygen supply fan 5 and the heating box 12 from external environmental interference and damage, the function of the oxygen supply fan 5 is to suck fresh air from the outside,The air is heated in the heating box 12 and then delivered to the oxygen supply end 6 in the fermentation tank 1 through the air outlet pipe 14 and the telescopic air outlet hose 15. The air outlet pipe 14 is a pipeline leading out of the heating box 12. The telescopic air outlet hose 15 is designed to be able to be adjusted in length according to the position of the oxygen supply end 6 in the fermentation tank 1, so as to ensure that the oxygen can be accurately delivered to the outlet of the oxygen supply end 6. The heating treatment ensures that the oxygen has been preheated to the appropriate temperature before entering the fermentation tank 1, so as to help optimize the fermentation process and improve production efficiency.

[0022] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

Claims

1. A solid-state aerobic fermentation oxygen supply device, comprising a fermentation tank (1) and an oxygen supply mechanism, a rotating shaft (2) is rotatably arranged in the fermentation tank (1), a plurality of stirring rods (3) are fixedly arranged on the rotating shaft (2), a motor one (4) for driving the rotating shaft (2) to rotate is fixedly arranged outside the fermentation tank (1), the oxygen supply mechanism comprises an oxygen supply fan (5) and an oxygen supply end (6), the oxygen supply end (6) is arranged in the inside of the fermentation tank (1), characterized in that: The fermentation tank (1) is provided with a moving mechanism for driving the oxygen supply end (6) to move, the moving mechanism comprising a motor two (11) and a lead screw one (9). ​ 2. The oxygen supply device for solid state aerobic fermentation according to claim 1, characterized in that: The inside of the fermentation tank (1) is fixedly provided with a plurality of guide rods (7), the guide rods (7) are movably provided with connecting pieces (8) on the top, and the bottom of the connecting pieces (8) is fixedly connected with the top of the oxygen supply end (6).

3. The oxygen supply device for solid state aerobic fermentation according to claim 2, characterized in that: The inside of the fermentation tank (1) is rotatably provided with the lead screw one (9), the lead screw one (9) is engaged with a lead screw nut (10), the bottom of the lead screw nut (10) is fixedly connected with the top of the oxygen supply end (6), the outside of the fermentation tank (1) is fixedly provided with the motor two (11), and the output end of the motor two (11) is fixedly connected with one end of the lead screw one (9).

4. The oxygen supply device for solid state aerobic fermentation according to claim 1, characterized in that: The top of the fermentation tank (1) is fixedly provided with a protective shell (16), the inside of the protective shell (16) is fixedly provided with a plurality of oxygen supply fans (5) and a heating box (12), the air outlet end of the oxygen supply fan (5) extends to the inside of the heating box (12), the inside of the heating box (12) is fixedly provided with a heating element (13), a plurality of air outlet pipes (14) are fixedly arranged on the heating box (12), one end of the air outlet pipe (14) is fixedly connected with a telescopic air outlet hose (15), the telescopic air outlet hose (15) is located in the inside of the fermentation tank (1), and one end of the telescopic air outlet hose (15) extends to the inside of the oxygen supply end (6).