Oxygen control type biological reaction fermentation equipment

Abstract

The invention discloses oxygen control type biological reaction fermentation equipment, and relates to the technical field of biological fermentation, the oxygen control type biological reaction fermentation equipment comprises a fermentation placement bottom frame, the fermentation placement bottom frame is provided with an installation separation mechanism, the installation separation mechanism is provided with a first deflection ring mechanism and a second deflection ring mechanism, the first deflection ring mechanism is provided with a rotary inner barrel mechanism, and the second deflection ring mechanism is provided with a rotary inner barrel mechanism; a convection mechanism is arranged on the rotating inner barrel mechanism, a driving rotating mechanism is arranged between the rotating inner barrel mechanism and the convection mechanism, an outer storage barrel mechanism is arranged on the second deflection ring mechanism, and a distribution air inlet mechanism is arranged on the outer storage barrel mechanism. By arranging the mounting and separating mechanism, aligned mounting and separating between the rotary inner barrel mounting mechanism and the outer storage barrel mounting mechanism can be achieved, the angle of the rotary inner barrel mounting mechanism can be adjusted through the first deflection ring mechanism, and the angle of the outer storage barrel mounting mechanism can be adjusted through the second deflection ring mechanism; subsequent cleaning treatment is facilitated, and the biological reaction fermentation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of biological fermentation, and particularly relates to an oxygen-controlled biological reaction fermentation equipment. BACKGROUND

[0002] Oxygen-controlled biological fermentation refers to a technology for improving fermentation efficiency and product quality by accurately controlling oxygen content and optimizing the growth and metabolism environment of microorganisms in the biological fermentation process. In the biological fermentation process, oxygen supply has a direct impact on the growth and metabolism of the bacteria. Insufficient oxygen supply will cause the bacteria to grow slowly or even die, and excessive oxygen supply will cause abnormal metabolism of the bacteria, affecting the quality and yield of the product.

[0003] In the prior art, a large, closed and sterilizable stainless steel container is usually used for biological fermentation treatment. However, in the prior art, it is inconvenient to clean the inside of the tank after biological fermentation, and the volume of the fermentation tank cannot be adaptively adjusted, so there is a large room for improvement in the prior art. SUMMARY

[0004] The present application provides an oxygen-controlled biological reaction fermentation equipment, which solves the problems raised in the background art.

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

[0006] An oxygen-controlled biological reaction fermentation equipment includes a fermentation placement chassis, the fermentation placement chassis is provided with a mounting and dismounting mechanism, the mounting and dismounting mechanism is provided with a first deflection ring mechanism and a second deflection ring mechanism, the first deflection ring mechanism is provided with a rotating inner cylinder mechanism, the rotating inner cylinder mechanism is provided with a convection mechanism, a driving rotation mechanism is arranged between the rotating inner cylinder mechanism and the convection mechanism, the second deflection ring mechanism is provided with an outer storage cylinder mechanism, and the outer storage cylinder mechanism is provided with a distributed air inlet mechanism; the mounting and dismounting mechanism is used to control the mounting and dismounting of the rotating inner cylinder mechanism and the outer storage cylinder mechanism, the first deflection ring mechanism is used to adjust the deflection angle of the rotating inner cylinder mechanism, the second deflection ring mechanism is used to adjust the angle of the outer storage cylinder mechanism, the rotating inner cylinder mechanism and the outer storage cylinder mechanism are used to provide a fermentation space, the driving rotation mechanism is used to drive the convection mechanism, and the distributed air inlet mechanism is used to introduce mixed gas into the rotating inner cylinder mechanism and the outer storage cylinder mechanism.

[0007] As a preferred technical scheme of the present application, the mounting and dismounting mechanism includes a first motor arranged on the fermentation placement chassis, the output shaft of the first motor is fixedly connected with a first adjusting threaded rod, the first adjusting threaded rod is coaxially fixedly connected with a second adjusting threaded rod, the first adjusting threaded rod and the second adjusting threaded rod are rotationally connected with the fermentation placement chassis, the first adjusting threaded rod and the second adjusting threaded rod have the same length, and the screw rotation directions of the first adjusting threaded rod and the second adjusting threaded rod are opposite.

[0008] As a preferred technical scheme of the present application, the first deflection ring mechanism comprises a first moving frame threadedly connected with the second adjusting threaded rod, the first moving frame is slidingly connected with the fermentation placement chassis, the first moving frame is rotationally connected with a first deflection shaft, the first deflection shaft is rotationally connected with a first deflection ring, a first deflection seat is arranged on the first moving frame, the first deflection seat is rotationally connected with a first linear motor, one end of the first linear motor away from the first deflection seat is rotationally connected with a second deflection seat, and the second deflection seat is fixedly connected with the first deflection ring.

[0009] As a preferred technical scheme of the present application, the second deflection ring mechanism comprises a second moving frame threadedly connected with the first adjusting threaded rod, the second moving frame is slidingly connected with the fermentation placement chassis, the second moving frame is rotationally connected with a second deflection shaft, the second deflection shaft is rotationally connected with a second deflection ring, a third deflection seat is arranged on the second moving frame, the third deflection seat is rotationally connected with a second linear motor, one end of the second linear motor away from the third deflection seat is rotationally connected with a fourth deflection seat, and the fourth deflection seat is fixedly connected with the second deflection ring.

[0010] As a preferred technical scheme of the present application, the rotating built-in cylinder mechanism comprises a second motor seat arranged on the first deflection ring, a second motor is arranged on the second motor seat, an output shaft of the second motor is fixedly connected with a first gear, an inner side of the first deflection ring is rotationally connected with a built-in cylinder, an outer side of the built-in cylinder is fixedly connected with a second gear, the first gear and the second gear are engaged, an end of the built-in cylinder is provided with a sealing ring, a first feeding and discharging port is arranged on the built-in cylinder, a pressure valve is arranged on the built-in cylinder, and an oxygen content detection sensor is arranged on an inner side of the built-in cylinder.

[0011] As a preferred technical scheme of the present application, the convection mechanism comprises a rotating pipe rotationally connected with the built-in cylinder, a plurality of first convection plates are fixedly connected to an end of the rotating pipe, a mounting pipe is fixedly connected to a side of the rotating pipe, an installation ring is fixedly connected to one end of the mounting pipe away from the rotating pipe, a plurality of second convection plates are fixedly connected to an inner side of the installation ring, a plurality of one-way air inlet holes are arranged on a side of the installation ring close to the built-in cylinder, and a suction pump is arranged on the rotating pipe.

[0012] As a preferred technical scheme of the present application, the active rotating mechanism comprises a third motor arranged on the built-in cylinder, an output shaft of the third motor is fixedly connected with a third gear, the third gear engages a fourth gear, and the fourth gear is fixed to an outer side of the rotating pipe.

[0013] As a preferred technical scheme of the present application, the outer storage cylinder mechanism comprises an outer cylinder rotationally connected with the second deflection ring, an annular insertion slot is arranged on the outer cylinder, and a second feeding and discharging port is arranged on the outer cylinder.

[0014] As a preferred technical scheme of the present application, the air distribution mechanism comprises a gas supply pipe rotationally connected with the outer cylinder, and one end of the gas supply pipe located in the outer cylinder is fixedly connected with the gas storage shell, and the gas storage shell is provided with a plurality of one-way air outlet holes.

[0015] The present application has the following advantages:

[0016] By setting the installation and disengagement mechanism, the alignment, installation and disengagement between the rotating inner cylinder mechanism and the outer storage cylinder mechanism can be realized, the interior of the rotating inner cylinder mechanism and the outer storage cylinder mechanism after fermentation is completed can be conveniently cleaned, the volume of the container can be adaptively adjusted according to actual conditions, the angle of the rotating inner cylinder mechanism can be adjusted through the first deflection ring mechanism, the angle of the outer storage cylinder mechanism can be adjusted through the second deflection ring mechanism, subsequent cleaning is facilitated, the convection mechanism can be driven through the driving rotation mechanism, so that the mixing of materials is realized, biological materials are prevented from being damaged by direct stirring, and the efficiency of biological reaction fermentation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical schemes in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a first view structural schematic diagram of a kind of oxygen-controlled biological reaction fermentation equipment.

[0019] Figure 2 It is a second view structural schematic diagram of a kind of oxygen-controlled biological reaction fermentation equipment.

[0020] Figure 3 It is a third view structural schematic diagram of a kind of oxygen-controlled biological reaction fermentation equipment.

[0021] Figure 4 It is a fourth view structural schematic diagram of a kind of oxygen-controlled biological reaction fermentation equipment.

[0022] In the figure: 1, fermentation installation chassis; 2, installation separation mechanism; 201, first motor; 202, first adjusting screw rod; 203, second adjusting screw rod; 3, first deflection ring mechanism; 301, first moving frame; 302, first deflection shaft; 303, first deflection ring; 304, first deflection seat; 305, first linear motor; 306, second deflection seat; 4, second deflection ring mechanism; 401, second moving frame; 402, second deflection shaft; 403, second deflection ring; 404, third deflection seat; 405, second linear motor; 406, fourth deflection seat; 5, rotating inner cylinder mechanism; 501, second motor seat; 502, second motor; 503, first gear; 504, inner cylinder; 505, second gear; 506, first feeding port; 507, pressure valve; 6, convection mechanism; 601, rotating tube; 602, first convection plate; 603, installation tube; 604, installation ring; 605, second convection plate; 606, air pump; 7, active rotation mechanism; 701, third motor; 702, third gear; 703, fourth gear; 8, outer storage cylinder mechanism; 801, outer cylinder; 802, annular slot; 803, second feeding port; 9, distributed air inlet mechanism; 901, air supply pipe; 902, air storage shell. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present application will be described hereinafter with reference to the accompanying drawings, in which the preferred embodiments of the present application described are presented by way of illustration and explanation, and are not intended to limit the present application.

[0024] Embodiment 1, please refer to Figures 1-4 An oxygen-controlled biological reaction fermentation device, comprising a fermentation installation chassis 1, wherein the fermentation installation chassis 1 is provided with an installation separation mechanism 2, the installation separation mechanism 2 is provided with a first deflection ring mechanism 3 and a second deflection ring mechanism 4, the first deflection ring mechanism 3 is provided with a rotating inner cylinder mechanism 5, the rotating inner cylinder mechanism 5 is provided with a convection mechanism 6, the rotating inner cylinder mechanism 5 and the convection mechanism 6 are provided with an active rotation mechanism 7, the second deflection ring mechanism 4 is provided with an outer storage cylinder mechanism 8, and the outer storage cylinder mechanism 8 is provided with a distributed air inlet mechanism 9; the installation separation mechanism 2 is used to control the installation and separation of the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8, the first deflection ring mechanism 3 is used to adjust the deflection angle of the rotating inner cylinder mechanism 5, the second deflection ring mechanism 4 is used to adjust the angle of the outer storage cylinder mechanism 8, the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 are used to provide a fermentation space, the active rotation mechanism 7 is used to drive the convection mechanism 6, and the distributed air inlet mechanism 9 is used to introduce mixed gas into the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8.

[0025] The installation and disengagement mechanism 2 comprises a first motor 201 arranged on the fermentation placement chassis 1, the output shaft of the first motor 201 is fixedly connected with a first adjusting threaded rod 202, the first adjusting threaded rod 202 is coaxially fixedly connected with a second adjusting threaded rod 203, the first adjusting threaded rod 202 and the second adjusting threaded rod 203 are rotationally connected with the fermentation placement chassis 1, the first adjusting threaded rod 202 and the second adjusting threaded rod 203 have the same length and opposite screw rotation directions. The first deflection ring mechanism 3 comprises a first moving frame 301 threadedly connected with the second adjusting threaded rod 203, the first moving frame 301 is slidingly connected with the fermentation placement chassis 1, the first moving frame 301 is rotationally connected with a first deflection shaft 302, the first deflection shaft 302 is rotationally connected with a first deflection ring 303, the first moving frame 301 is provided with a first deflection seat 304, the first deflection seat 304 is rotationally connected with a first linear motor 305, one end of the first linear motor 305 away from the first deflection seat 304 is rotationally connected with a second deflection seat 306, and the second deflection seat 306 is fixedly connected with the first deflection ring 303. The second deflection ring mechanism 4 comprises a second moving frame 401 threadedly connected with the first adjusting threaded rod 202, the second moving frame 401 is slidingly connected with the fermentation placement chassis 1, the second moving frame 401 is rotationally connected with a second deflection shaft 402, the second deflection shaft 402 is rotationally connected with a second deflection ring 403, the second moving frame 401 is provided with a third deflection seat 404, the third deflection seat 404 is rotationally connected with a second linear motor 405, one end of the second linear motor 405 away from the third deflection seat 404 is rotationally connected with a fourth deflection seat 406, and the fourth deflection seat 406 is fixedly connected with the second deflection ring 403.

[0026] Specifically, the first motor 201 is started, and the rotation of the output shaft of the first motor 201 drives the first adjusting threaded rod 202 and the second adjusting threaded rod 203 to rotate, so as to drive the first moving frame 301 and the second moving frame 401 to move close to or away from each other, thereby adjusting the distance between the first moving frame 301 and the second moving frame 401.

[0027] In addition, the first linear motor 305 is started to drive the first deflection ring 303 to rotate around the first deflection shaft 302, and the second linear motor 405 is started to drive the second deflection ring 403 to rotate around the second deflection shaft 402.

[0028] The rotating inner cylinder mechanism 5 comprises a second motor base 501 arranged on the first deflection ring 303, the second motor base 501 is provided with a second motor 502, the output shaft of the second motor 502 is fixedly connected with a first gear 503, the inner side of the first deflection ring 303 is rotatably connected with an inner cylinder 504, the outer side of the inner cylinder 504 is fixedly connected with a second gear 505, the first gear 503 and the second gear 505 are engaged, the end of the inner cylinder 504 is provided with a sealing ring, the inner cylinder 504 is provided with a first feeding and discharging port 506, the inner cylinder 504 is provided with a pressure valve 507, and the inner side of the inner cylinder 504 is provided with an oxygen content detection sensor. The convection mechanism 6 comprises a rotating pipe 601 rotatably connected with the inner cylinder 504, the end of the rotating pipe 601 is fixedly connected with a plurality of first convection plates 602, the side of the rotating pipe 601 is fixedly connected with a mounting pipe 603, the end of the mounting pipe 603 away from the rotating pipe 601 is fixedly connected with a mounting ring 604, the inner side of the mounting ring 604 is fixedly connected with a plurality of second convection plates 605, one side of the mounting ring 604 close to the inner cylinder 504 is provided with a plurality of one-way air inlet holes, and the rotating pipe 601 is provided with a suction pump 606. The active rotating mechanism 7 comprises a third motor 701 arranged on the inner cylinder 504, the output shaft of the third motor 701 is fixedly connected with a third gear 702, the third gear 702 is engaged with a fourth gear 703, and the fourth gear 703 is fixed to the outer side of the rotating pipe 601. The outer storage cylinder mechanism 8 comprises an outer cylinder 801 rotatably connected with the second deflection ring 403, the outer cylinder 801 is provided with an annular insertion slot 802, and the outer cylinder 801 is provided with a second feeding and discharging port 803.

[0029] Specifically, when the inner cylinder 504 is inserted into the annular insertion slot 802 on the outer cylinder 801, the depth of the insertion of the inner cylinder 504 into the annular insertion slot 802 can be adjusted to adjust the volume, when the biological material is introduced into the inner cylinder 504 and the outer cylinder 801 through the first feeding and discharging port 506 or the second feeding and discharging port 803, the second motor 502 is started to drive the first gear 503 to rotate, the first gear 503 drives the second gear 505 to rotate, and then drives the inner cylinder 504 and the outer cylinder 801 to rotate, so as to realize the effective mixing of the biological material, the third motor 701 is started to drive the third gear 702 to rotate, the third gear 702 drives the fourth gear 703 to rotate, and then drives the rotating pipe 601 to rotate, so as to drive the first convection plate 602 to rotate, and at the same time, the mounting pipe 603 and the mounting ring 604 are driven to rotate, and then the second convection plate 605 is driven to rotate, so as to realize the full flow mixing of the biological material in the inner cylinder 504 and the outer cylinder 801.

[0030] In addition, when it is needed to discharge the gas in the inner cylinder 504 and the outer cylinder 801, the air pump 606 is opened, at this time, the gas can be sucked into the mounting ring 604 through the one-way air inlet hole, and then the gas is discharged through the mounting pipe 603 and the rotating pipe 601.

[0031] Embodiment 2, continue to refer to Figures 1-4 In the embodiment of the present application, the distribution air inlet mechanism 9 comprises a gas supply pipe 901 which is rotationally connected with the outer cylinder 801, one end of the gas supply pipe 901 which is located in the outer cylinder 801 is fixedly connected with a gas storage shell 902, and the gas storage shell 902 is provided with a plurality of one-way air outlet holes.

[0032] Specifically, the gas mixed with oxygen and nitrogen can be supplied into the gas storage shell 902 through the gas supply pipe 901, and finally the gas is discharged through the one-way air outlet hole, so that the mixed gas is mixed into the biological material.

[0033] In the implementation process of the present application, first, the mounting and disengaging mechanism 2 is opened, at this time, the first deflection ring mechanism 3 and the second deflection ring mechanism 4 are close to each other, the alignment and installation of the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 are realized, at this time, the biological material is poured into the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8, then the gas mixed with different contents of oxygen is introduced into the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 through the distribution air inlet mechanism 9, and the driving rotation mechanism 7 is opened, the driving rotation mechanism 7 rotates and drives the convection mechanism 6, so that the gas is uniformly distributed in the biological material, and the biological material is uniformly distributed in the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8, in addition, the gas in the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 can also be controlled and discharged through the convection mechanism 6.

[0034] The present application can realize the alignment and installation and disengagement between the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 through the setting of the mounting and disengaging mechanism 2, which is convenient for subsequent cleaning treatment of the inside of the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 after fermentation is completed, and can adaptively adjust the volume of the container according to the actual situation, the angle of the rotating inner cylinder mechanism 5 can be adjusted through the first deflection ring mechanism 3, the angle of the outer storage cylinder mechanism 8 can be adjusted through the second deflection ring mechanism 4, which is convenient for subsequent cleaning treatment, the convection mechanism 6 can be driven through the driving rotation mechanism 7, so that the mixing of the material is realized, and the biological material is prevented from being damaged by direct stirring, the gas can be supplied into the rotating inner cylinder mechanism 5 and the outer storage cylinder mechanism 8 through the distribution air inlet mechanism 9, and the efficiency of biological reaction fermentation is improved.

[0035] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An oxygen-controlled bioreactor fermentation device, comprising a fermentation mounting frame, characterized in that: The fermentation placement chassis is provided with an installation and separation mechanism, the installation and separation mechanism is provided with a first deflection ring mechanism and a second deflection ring mechanism, the first deflection ring mechanism is provided with a rotating inner barrel mechanism, the rotating inner barrel mechanism is provided with a convection mechanism, an active rotation mechanism is provided between the rotating inner barrel mechanism and the convection mechanism, the second deflection ring mechanism is provided with an external storage barrel mechanism, and the external storage barrel mechanism is provided with a distributed air intake mechanism; the installation and separation mechanism is used to control the installation and separation of the rotating inner barrel mechanism and the external storage barrel mechanism, the first deflection ring mechanism is used to adjust the deflection angle of the rotating inner barrel mechanism, the second deflection ring mechanism is used to adjust the angle of the external storage barrel mechanism, the rotating inner barrel mechanism and the external storage barrel mechanism are used to provide fermentation space, the active rotation mechanism is used to drive the convection mechanism, and the distributed air intake mechanism is used to introduce mixed gas into the rotating inner barrel mechanism and the external storage barrel mechanism.

2. The oxygen-controlled bioreactor fermentation equipment according to claim 1, characterized in that: The mounting and disengaging mechanism includes a first motor provided on a fermentation placement base frame, the output shaft of the first motor is fixedly connected to a first adjusting threaded rod, the first adjusting threaded rod is coaxially fixedly connected to a second adjusting threaded rod, the first adjusting threaded rod and the second adjusting threaded rod are rotatably connected to the fermentation placement base frame, the first adjusting threaded rod and the second adjusting threaded rod have the same length and opposite thread rotation directions.

3. The oxygen-controlled bioreactor fermentation equipment according to claim 2, characterized in that: The first deflection ring mechanism includes a first movable frame threadedly connected to the second adjusting threaded rod, the first movable frame is slidingly connected to the fermentation placement base frame, the first movable frame is rotatably connected to the first deflection shaft, the first deflection shaft is rotatably connected to the first deflection ring, the first movable frame is provided with a first deflection seat, the first deflection seat is rotatably connected to the first linear motor, the end of the first linear motor away from the first deflection seat is rotatably connected to the second deflection seat, and the second deflection seat and the first deflection ring are fixedly connected.

4. The oxygen-controlled bioreactor fermentation equipment according to claim 1, characterized in that: The second deflection ring mechanism includes a second movable frame threadedly connected to the first adjusting threaded rod, the second movable frame is slidingly connected to the fermentation placement base frame, the second movable frame is rotatably connected to the second deflection shaft, the second deflection shaft is rotatably connected to the second deflection ring, the second movable frame is provided with a third deflection seat, the third deflection seat is rotatably connected to the second linear motor, the end of the second linear motor away from the third deflection seat is rotatably connected to the fourth deflection seat, and the fourth deflection seat is fixedly connected to the second deflection ring.

5. The oxygen-controlled bioreactor fermentation equipment according to claim 3, characterized in that: The rotating inner cylinder mechanism includes a second motor base provided on the first deflection ring, a second motor is provided on the second motor base, an output shaft of the second motor is fixedly connected to the first gear, the inner side of the first deflection ring is rotatably connected to the inner cylinder, the outer side of the inner cylinder is fixedly connected to the second gear, the first gear and the second gear are meshed, a sealing ring is provided at the end of the inner cylinder, a first feed and discharge port is provided on the inner cylinder, a pressure valve is provided on the inner cylinder, and an oxygen content detection sensor is provided on the inner side of the inner cylinder.

6. The oxygen-controlled bioreactor fermentation equipment according to claim 1, characterized in that: The convection mechanism includes a rotating tube rotatably connected to the inner cylinder, the end of the rotating tube is fixedly connected to a plurality of first convection plates, the side of the rotating tube is fixedly connected to the mounting tube, the end of the mounting tube away from the rotating tube is fixedly connected to the mounting ring, the inner side of the mounting ring is fixedly connected to a plurality of second convection plates, a side of the mounting ring close to the inner cylinder is provided with a plurality of one-way air inlet holes, and an air pump is provided on the rotating tube.

7. The oxygen-controlled bioreactor fermentation equipment according to claim 6, characterized in that: The active rotation mechanism includes a third motor provided on the inner cylinder, the output shaft of the third motor is fixedly connected to the third gear, the third gear is engaged with the fourth gear, and the fourth gear is fixed to the outer side of the rotating tube.

8. The oxygen-controlled bioreactor fermentation equipment according to claim 4, characterized in that: The external storage barrel mechanism includes an external barrel rotatably connected to the second deflection ring, an annular slot is provided on the external barrel, and a second feed and discharge port is provided on the external barrel.

9. The oxygen-controlled bioreactor fermentation equipment according to claim 8, characterized in that: The distributed air intake mechanism includes an air supply pipe rotatably connected to the external cylinder, one end of the air supply pipe located inside the external cylinder is fixedly connected to the air storage shell, and the air storage shell is provided with a plurality of one-way air outlet holes.

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