Air inlet device of microbial fermentation tank

Abstract

The air inlet device comprises an air storage chamber, an air guide pipe is fixedly connected to the upper surface of the air storage chamber, a fermentation tank is fixedly connected to the end, away from the air storage chamber, of the air guide pipe, a plug is slidably connected to the side inner wall of the air guide pipe, and a connecting rod is fixedly connected to the upper surface of the plug. A cover plate is fixedly connected to the end, away from the plug, of the connecting rod, an exhaust plate is fixedly connected to the lower surface of the cover plate, a spring is fixedly connected to the lower surface of the cover plate, a fixing plate is fixedly connected to the end, away from the cover plate, of the spring, and the side surface of the fixing plate is fixedly connected with the air guide pipe; the output end of the first motor is fixedly connected with a screw, the side surface of the screw is in threaded connection with a shaft barrel, and the end, away from the screw, of the shaft barrel is fixedly connected with a ventilation pipe. By means of the components, when the air pressure in the air storage chamber is stable, the plug and the cover plate can be jacked up, stable and connected transportation of air is achieved, the height between the ventilation pipe and the fermented matter can be adjusted, and the utilization efficiency of the air is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of microbial fermentation, especially relates to a microbial fermentation tank air inlet device. BACKGROUND

[0002] The existing microbial fermentation tank air inlet device is all the height between the gas pipeline and the culture medium, enhances the gas and culture medium mixing intensity, avoids causing the waste of gas and improves the utilization efficiency of gas, but cannot control the gas connection air inlet simultaneously, and effectively controls the flow rate of gas, such as the microbial fermentation tank air inlet device disclosed in Chinese patent, the application number is CN202322402610.1, although the contact of gas and culture medium can effectively improve the gas-liquid mixing efficiency, and the number of opening can be adjusted according to the height of culture solution, so that the gas will not be wasted, and the gas-liquid mixing efficiency is also accelerated, but the gas pump gas transmission is not stable enough, and the gas required for fermentation cannot be stably and continuously conveyed to the fermentation tank, so the use has limitations. UTILITY MODEL CONTENTS

[0003] The utility model discloses a microbial fermentation tank air inlet device, which effectively prevents the gas in the fermentation tank from flowing back to the gas storage chamber, and stores the gas required for microbial fermentation into the gas storage chamber, so that the gas is accumulated and compressed in the gas storage chamber to increase the gas pressure, the height of the movable cover plate is controlled by controlling the size of the gas pressure, the flow rate of the gas in the gas guide pipe is controlled, when the gas is not needed to be introduced into the fermentation tank, the gas pressure in the gas storage chamber can be reduced, the movable cover plate is automatically closed and stopped to ventilate under the action of the spring, the height of the ventilation pipe is controlled to control the distance between the gas and the fermentation material, so that the gas can fully react with the fermentation material.

[0004] The utility model discloses still provide with above -mentioned microbial fermentation tank air inlet device, include: gas storage chamber, the upper surface fixed connection of gas storage chamber has gas guide pipe, the one end fixed connection of gas guide pipe is away from gas storage chamber has fermentation tank, the side inner wall sliding connection of gas guide pipe has plug, the upper surface fixed connection of plug has connecting rod, the one end fixed connection of connecting rod is away from plug has movable cover plate, the lower surface fixed connection of movable cover plate has exhaust plate, the lower surface fixed connection of movable cover plate has spring, the one end fixed connection of spring is away from movable cover plate has fixed plate, the side surface of fixed plate is with gas guide pipe fixed connection;

[0005] The upper surface of the fermentation tank is fixedly connected with a motor two, the output end of the motor two is fixedly connected with a stirring paddle, the upper surface of the fermentation tank is fixedly connected with a motor one, the output end of the motor one is fixedly connected with a screw rod, the side surface of the screw rod is threadedly connected with a shaft cylinder, one end of the shaft cylinder away from the screw rod is fixedly connected with a breather pipe, the lower surface of the breather pipe is provided with an exhaust hole, and the upper surface of the breather pipe is fixedly connected with an extension pipe. Through the above components, when the gas pressure in the gas storage chamber is stable, the plug and the cover plate can be lifted to realize the stable and connected transportation of the gas, and the height between the breather pipe and the fermentation material can be adjusted to improve the utilization efficiency of the gas.

[0006] The side surface of the gas storage chamber is fixedly connected with a filter box, and the connection part of the gas storage chamber and the filter box is fixedly connected with a one-way plug.

[0007] One end of the filter box away from the gas storage chamber is fixedly connected with a gas pump, and the side inner wall of the filter box is slidably connected with a filter plate.

[0008] The side inner wall of the gas guide pipe is rotatably connected with a rotating block, and the rotating block is located between the gas storage chamber and the plug.

[0009] The side surface of the exhaust plate is slidably connected with the gas guide pipe, and the lower surface of the cover plate is attached to the gas guide pipe in working.

[0010] One end of the gas guide pipe away from the gas storage chamber extends to the inside of the fermentation tank through the upper surface of the fermentation tank, and the side surface of the gas guide pipe is slidably connected with the extension pipe.

[0011] The utility model discloses a microbial fermentation tank air inlet device, the stirring paddle is away from the one end of motor one's end and extends to the inside of fermentation tank through the upper surface of fermentation tank, the lateral surface of vent pipe is connected with the fermentation tank slidingly.

[0012] Beneficial effects:

[0013] Compared with prior art, the gas in the fermentation tank is prevented from flowing back to the gas storage chamber by the plug and the cover plate and the like, and the gas required for microbial fermentation can be stored in the gas storage chamber, so that the gas is accumulated and compressed in the gas storage chamber to increase the gas pressure, the height of the cover plate is controlled by controlling the size of the gas pressure, and the function of controlling the flow rate of the gas in the gas guide pipe is realized, when the gas is not needed to be introduced into the fermentation tank, the gas pressure in the gas storage chamber can be reduced, the cover plate is automatically closed and the aeration is stopped under the action of the spring, and the function of controlling the distance between the gas and the fermentation material is realized by controlling the height of the vent pipe, so that the gas can more fully react with the fermentation material. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and examples.

[0015] Figure 1 It is the overall structural drawing of the utility model microbial fermentation tank air inlet device.

[0016] Figure 2 It is the fermentation tank and gas storage chamber sectional view structure drawing of the utility model microbial fermentation tank air inlet device.

[0017] Figure 3 It is the vent pipe structure drawing of the utility model microbial fermentation tank air inlet device. Figure 2 It is the local structure drawing of A place in the middle.

[0018] Figure 4 It is the rotating block structure drawing of the utility model microbial fermentation tank air inlet device.

[0019] Figure 5 It is the vent pipe structure drawing of the utility model microbial fermentation tank air inlet device.

[0020] Figure 6 It is the vent pipe sectional view structure drawing of the utility model microbial fermentation tank air inlet device.

[0021] Legend:

[0022] 1, air pump; 2, filter box; 3, air storage chamber; 4, air guide pipe; 5, fermentation tank; 6, motor one; 7, motor two; 8, filter plate; 9, one-way plug; 10, stirring paddle; 11, air pipe; 12, extension pipe; 13, rotating block; 14, plug; 15, connecting rod; 16, fixed plate; 17, spring; 18, exhaust plate; 19, cover plate; 20, shaft cylinder; 21, screw; 22, exhaust hole. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Referring to Figures 1-6 , the utility model embodiment microbial fermentation tank air inlet device, it includes: air storage chamber 3, the upper surface of air storage chamber 3 is fixedly connected with air guide pipe 4, the end away from air storage chamber 3 of air guide pipe 4 extends to the inside of fermentation tank 5 through the upper surface of fermentation tank 5, the side surface of air guide pipe 4 is slidably connected with extension pipe 12, gas in air storage chamber 3 is transported to fermentation tank 5, the end away from air storage chamber 3 of air guide pipe 4 is fixedly connected with fermentation tank 5, so that the place of microbial fermentation, the side inner wall of air guide pipe 4 is slidably connected with plug 14, air guide pipe 4 is plugged, when the air pressure in air storage chamber 3 reaches the specified value, plug 14 will be pushed open and make gas pass through air guide pipe 4, the upper surface of plug 14 is fixedly connected with connecting rod 15, connecting cover plate 19 and plug 14, plug 14 is pushed open and will drive cover plate 19 to open cover plate 19, the end away from plug 14 of connecting rod 15 is fixedly connected with cover plate 19, the lower surface of cover plate 19 is attached to air guide pipe 4 in work, air guide pipe 4 is sealed, prevent the gas in fermentation tank 5 from flowing into air storage chamber 3 through air guide pipe 4, and open under the action of air pressure and make gas flow, the lower surface of cover plate 19 is fixedly connected with exhaust plate 18, the side surface of exhaust plate 18 is slidably connected with air guide pipe 4, after cover plate 19 is opened, gas will be discharged through exhaust plate 18, the height of the improvement of exhaust plate 18 controls the flow of gas, the lower surface of cover plate 19 is fixedly connected with spring 17, the elastic force is used to pull cover plate 19 reset, and when the air pressure is too low, it will pull and prevent gas from pushing open cover plate 19, the end away from cover plate 19 of spring 17 is fixedly connected with fixed plate 16, fixed plate 16 is fixedly connected with air guide pipe 4, and the movement of plug 14 is limited, and plug 14 is prevented from being pushed away by gas when the air pressure is too large.

[0025] The upper surface of the fermentation tank 5 is fixedly connected with a motor 7, which provides power for the rotation of the stirring paddle 10. The output end of the motor 7 is fixedly connected with the stirring paddle 10. The end of the stirring paddle 10 away from the motor 6 extends through the upper surface of the fermentation tank 5 to the inside of the fermentation tank 5, and stirs the microorganisms in the fermentation tank 5. The upper surface of the fermentation tank 5 is fixedly connected with a motor 6, which provides power for the rotation of the screw rod 21. The output end of the motor 6 is fixedly connected with the screw rod 21, which controls the up and down movement of the shaft cylinder 20. The side surface of the screw rod 21 is threadedly connected with the shaft cylinder 20, which drives the air pipe 11 to move and controls the distance between the air pipe 11 and the fermentation material. The end of the shaft cylinder 20 away from the screw rod 21 is fixedly connected with the air pipe 11. The side surface of the air pipe 11 is slidably connected with the fermentation tank 5, so that the gas in the air guide pipe 4 is introduced into the air pipe 11 and discharged from the exhaust hole 22, so that the gas is uniformly discharged. The lower surface of the air pipe 11 is provided with an exhaust hole 22 for discharging the gas in the air pipe 11, realizing the function of uniform gas discharge. The upper surface of the air pipe 11 is fixedly connected with an extension pipe 12, which can extend the discharge distance of the air guide pipe 4, so that the gas can still be transported into the air pipe 11 after the air pipe 11 moves downward.

[0026] The side surface of the gas storage chamber 3 is fixedly connected with a filter box 2, which is the place where the introduced gas is filtered. The connection between the gas storage chamber 3 and the filter box 2 is fixedly connected with a one-way plug 9, which can only allow gas to flow from the filter box 2 to the gas storage chamber 3 in one direction, preventing the gas in the gas storage chamber 3 from flowing back into the filter box 2. The end of the filter box 2 away from the gas storage chamber 3 is fixedly connected with a gas pump 1, which inputs the air required for microbial fermentation into the filter box 2. The side inner wall of the filter box 2 is slidably connected with a filter plate 8, which is provided with a filter screen to filter the gas input by the gas pump 1, preventing dust and impurities from entering the gas storage chamber 3, and allowing the filter plate 8 to be pulled out of the filter box 2 for cleaning. The side inner wall of the air guide pipe 4 is rotatably connected with a rotating block 13, which seals the end of the air guide pipe 4 close to the gas storage chamber 3, so that the gas is stored in the gas storage chamber 3. When the gas pressure in the gas storage chamber 3 reaches a specified value, the rotating block 13 is rotated to allow the gas to flow out through the air guide pipe 4, preventing the cover plate 19 from moving intermittently and causing the gas supply to be disconnected. The rotating block 13 is located between the gas storage chamber 3 and the plug 14.

[0027] Working principle: air pump 1 will be compressed gas required for microbial fermentation and sent into the filter box 2, the gas through the filter plate 8, filter plate 8 will carry the dust and impurities in the gas filtration, and can be extracted from the filter box 2 filter plate 8 cleaning, after the gas through the one-way plug 9 into the gas storage chamber 3 and storage in the gas storage chamber 3, when the gas pressure to reach the appropriate value after rotating the rotating block 13 makes the gas through the gas pipe 4 and the plug 14 open, plug 14 through the connecting rod 15 driven cover plate 19 and exhaust plate 18 movement, so that the gas can be through the exhaust plate 18 along the gas pipe 4 into the fermentation tank 5, and can adjust the air pump 1 ventilation speed, so that the ventilation speed and gas flow rate in the gas pipe 4 is the same, the effect of continuous aeration, the gas through the gas pipe 4 and extension pipe 12 into the ventilation pipe 11, and from the exhaust hole 22 evenly, when the fermentation solution height is too low can also be used motor 6 drive screw 21 rotation, shaft cylinder 20 driven ventilation pipe 11 down, and make the extension pipe 12 and gas pipe 4 between the sliding, extended distance of gas.

[0028] The above embodiment of the present application is described in detail in conjunction with the drawings, but the present application is not limited to the above embodiment, within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present application.

Claims

1. A gas inlet device for a microbial fermenter, characterised in that, Include: The upper surface of the gas storage chamber (3) is fixedly connected with the air duct (4), the end of the air duct (4) away from the gas storage chamber (3) is fixedly connected with the fermentation tank (5), the side inner wall of the air duct (4) is slidably connected with the plug (14), the upper surface of the plug (14) is fixedly connected with the connecting rod (15), the end of the connecting rod (15) away from the plug (14) is fixedly connected with the cover plate (19), the lower surface of the cover plate (19) is fixedly connected with the exhaust plate (18), the lower surface of the cover plate (19) is fixedly connected with the spring (17), the end of the spring (17) away from the cover plate (19) is fixedly connected with the fixed plate (16), the side surface of the fixed plate (16) is fixedly connected with the air duct (4); The upper surface of the fermentation tank (5) is fixedly connected with the motor two (7), the output end of the motor two (7) is fixedly connected with the stirring paddle (10), the upper surface of the fermentation tank (5) is fixedly connected with the motor one (6), the output end of the motor one (6) is fixedly connected with the screw rod (21), the side surface of the screw rod (21) is threadedly connected with the shaft cylinder (20), the end of the shaft cylinder (20) away from the screw rod (21) is fixedly connected with the breather pipe (11), the lower surface of the breather pipe (11) is provided with the exhaust hole (22), the upper surface of the breather pipe (11) is fixedly connected with the extension pipe (12).

2. The microbial fermenter inlet device of claim 1, wherein, The side surface of the gas storage chamber (3) is fixedly connected with the filter box (2), the connection between the gas storage chamber (3) and the filter box (2) is fixedly connected with the one-way plug (9).

3. The microbial fermenter inlet device of claim 2, wherein, The end of the filter box (2) away from the gas storage chamber (3) is fixedly connected with the air pump (1), the side inner wall of the filter box (2) is slidably connected with the filter plate (8).

4. The microbial fermenter inlet device of claim 1, wherein, The side inner wall of the air duct (4) is rotatably connected with the rotating block (13), the rotating block (13) is located between the gas storage chamber (3) and the plug (14).

5. The microbial fermenter inlet device of claim 1, wherein, The side surface of the exhaust plate (18) is slidably connected with the air duct (4), the lower surface of the cover plate (19) is attached to the air duct (4) in working.

6. The microbial fermenter inlet device of claim 1, wherein, The end of the air duct (4) away from the gas storage chamber (3) extends through the upper surface of the fermentation tank (5) to the inside of the fermentation tank (5), the side surface of the air duct (4) is slidably connected with the extension pipe (12).

7. The microbial fermenter inlet device of claim 1, wherein, The end of the stirring paddle (10) away from the motor one (6) extends through the upper surface of the fermentation tank (5) to the inside of the fermentation tank (5), the side surface of the breather pipe (11) is slidably connected with the fermentation tank (5).

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