Alcohol fermentation carbon dioxide purification equipment

Abstract

The invention provides alcohol fermentation carbon dioxide purification equipment. The alcohol fermentation carbon dioxide purification equipment comprises an intermediate tank assembly, an intelligent pipe assembly and a fermentation tank assembly, the fermentation tank assembly comprises a main bracket; the main bracket is connected with a fermentation tank; the intermediate tank assembly comprises a storage tank, and the storage tank is fixedly communicated with a joint pipe; the intelligent pipe assembly comprises a main pipe, the main pipe is fixedly communicated with an L-shaped exhaust pipe of the fermentation tank, an air pump and an electromagnetic valve are mounted on the main pipe, and the main bracket is connected with a control display. The invention relates to the technical field of carbon dioxide purification, in particular to alcohol fermentation carbon dioxide purification equipment. Aiming at the defects in the prior art, the invention develops the alcohol fermentation carbon dioxide purification equipment, and the alcohol fermentation carbon dioxide purification equipment can conveniently realize absorption of carbon dioxide in the alcohol fermentation tank, preliminary purification of carbon dioxide, filtration of carbon dioxide, removal of water drops on the surface of the filter plate, improvement of the filtration efficiency and convenient realization of carbon dioxide purification.

Description

Technical Field

[0001] The invention relates to the technical field of carbon dioxide purification, and in particular to an alcohol fermentation carbon dioxide purification device. Background Art

[0002] During the alcohol fermentation process, a large amount of carbon dioxide is produced. If this carbon dioxide is discharged directly, it will not only cause a waste of resources, but also pollute the environment. The carbon dioxide produced by alcohol fermentation may contain impurities such as alcohol, aldehyde, acid, ester, and water, which will affect the purity and quality of carbon dioxide. Through purification treatment, these impurities can be removed and the purity of carbon dioxide can be improved to meet the standards for industrial applications.

[0003] Existing technology, for example, invented a process and device for producing high-purity food-grade carbon dioxide using alcohol fermentation waste gas, the authorization announcement number is CN117482688B. It can produce high-purity (≥99.9%) food-grade carbon dioxide, improve the pretreatment effect of raw gas, high recovery rate of carbon dioxide, low power consumption, stable quality of carbon dioxide products, and easy operation.

[0004] At present, there is still a lack of equipment that can conveniently absorb carbon dioxide in the alcohol fermentation tank, achieve preliminary purification of carbon dioxide, filter carbon dioxide, remove water droplets on the surface of the filter plate, improve filtration efficiency, and facilitate carbon dioxide purification.

[0005] Therefore, in view of the above problems, an alcohol fermentation carbon dioxide purification device is proposed to solve the above problems. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention develops an alcohol fermentation carbon dioxide purification device, which facilitates the absorption of carbon dioxide in the alcohol fermentation tank, achieves preliminary purification of carbon dioxide, filters carbon dioxide, removes water droplets on the surface of the filter plate, improves the filtration efficiency, and facilitates carbon dioxide purification.

[0007] The technical solution to the technical problem of the present invention is as follows: the present invention provides an alcohol fermentation carbon dioxide purification device, comprising: an intermediate tank assembly, an intelligent pipe assembly and a fermentation tank assembly; the fermentation tank assembly comprises a main bracket, the main bracket is connected to the fermentation tank; the intermediate tank assembly comprises a storage tank, the storage tank is fixedly connected to a joint pipe; the intelligent pipe assembly comprises a main pipe, the main pipe is fixedly connected to an L-shaped exhaust pipe of the fermentation tank, an air pump and a solenoid valve are installed on the main pipe, the main bracket is connected to a control display, a button is installed on the control display, the button, the air pump and the solenoid valve are electrically connected to the control display respectively; the main pipe is fixedly connected to an L-shaped pipe, the L-shaped pipe is sealed and passes through the storage tank, and the air outlet of the L-shaped pipe is close to the bottom plate of the storage tank. By adding potassium permanganate solution to the storage tank, impurities such as alcohol, aldehyde, acid and water vapor mixed in carbon dioxide are absorbed to achieve carbon dioxide purification, and subsequent collection and treatment of carbon dioxide are conveniently achieved. Through the control display, the control and processing of the carbon dioxide purification process and the numerical intuitive observation are realized, and the intelligent control of the air pump and the solenoid valve is realized, which is convenient to use.

[0008] As an optimization, carbon dioxide concentration detection sensors and pressure sensors can be installed in the fermentation tank to facilitate the control display to control the air pump and solenoid valve to achieve carbon dioxide purification and collection.

[0009] As an optimization, an upper piston assembly, a transmission assembly and a lower sealing assembly are provided in the storage tank, the upper piston assembly includes a piston, the piston matches the storage tank, the storage tank is connected to symmetrical guide tubes, the symmetrical guide tubes pass through the pistons respectively, the lower sealing assembly includes a sealing cone, the storage tank is connected to a cone cover, the sealing cone matches the cone cover, the sealing cone is connected to symmetrical guide rods, the symmetrical guide rods are respectively arranged in the corresponding guide tubes, the transmission assembly includes a symmetrical middle connecting rod, the symmetrical middle connecting rods are respectively rotatably connected to the corresponding guide tubes, the upper ends of the symmetrical middle connecting rods are respectively rotatably connected to the upper connecting rods, the symmetrical upper connecting rods are respectively rotatably connected to the pistons, the lower ends of the symmetrical middle connecting rods are respectively rotatably connected to the lower connecting rods, the symmetrical lower connecting rods are respectively rotatably connected to the sealing cones, the piston is connected to the intermediate tube, and the intermediate tube is arranged in the joint tube. By adopting the connecting rod rotation connection method, the reverse movement of the piston and the sealing cone is realized. By controlling the operation of the air pump, the pressure of the carbon dioxide in the storage tank is changed. The sealing cone movement is realized by utilizing the gravity of the sealing cone. When the carbon dioxide pushes the sealing cone to move upward, the piston moves downward, thereby further reducing the storage space of the carbon dioxide, accelerating the carbon dioxide to enter the joint pipe through the intermediate pipe, and facilitating the collection of the purified carbon dioxide.

[0010] As an optimization, the sealing cone is connected to a group of supporting square rods, each of the supporting square rods is respectively connected to a sealing plate, the sealing plate is connected to an L-plate, the sealing cone is connected to a square block, the L-plate bearing is connected to the central axis of the middle bevel gear, the L-plate bearing is connected to the square hole axis, the sealing plate bearing is connected to the circular tube axis, the circular tube axis passes through the square block and the sealing cone, a square axis is arranged in the square hole axis, the square axis is connected to the vertical axis, the vertical axis bearing is connected to the intermediate tube, the vertical axis is arranged in the circular tube axis, the vertical axis is provided with a ventilation channel, the vertical axis is provided with an inner ventilation hole, the circular tube axis is provided with an outer ventilation hole, the piston is connected to a rack, the central axis of the middle bevel gear is connected to a gear, the gear meshes with the rack, the circular tube axis is connected to a lower bevel gear, the square hole axis is connected to an upper bevel gear, and the upper bevel gear and the lower bevel gear respectively mesh with the middle bevel gear. By adopting gear rack meshing and bevel gear meshing, and the vertical axis and the circular tube axis have relative movement in the height direction, the air inlet area composed of the inner air vent and the outer air vent can be changed. The further the piston goes down, the smaller the air inlet area is, which facilitates the discharge of carbon dioxide gas.

[0011] As an optimization, the circular tube axis is connected to a symmetrical L-mounting plate, and the symmetrical L-mounting plates are respectively connected to a group of evenly distributed outer stirring rods, and the lower part of the vertical axis is connected to a group of inner stirring rods. The outer stirring rods and the inner stirring rods move in the height direction and rotate at the same time to stir the gas and the potassium permanganate solution, so that impurities in the gas are dissolved in the potassium permanganate solution.

[0012] As an optimization, the square block is connected to a group of guide cross bars, each of which passes through the middle plate, each of which is provided with a vertical groove, each of which is provided with an L filter plate, the circular tube shaft is connected to a rotating ring, the rotating ring is rotatably connected to a group of cross connecting rods, each of which is rotatably connected to a mounting seat, and each of which is connected to the corresponding middle plate. The middle plate, L filter plate, sealing plate and sealing cone form a relatively sealed area, the air inlet area composed of the inner vent and the outer vent is in the sealed area, and the air inlet area and the sealing area of ​​the two are enlarged or reduced at the same time. The L filter plate realizes the filtration of carbon dioxide gas, so that moisture remains on the outer surface of the L filter plate, and is scraped off by the middle plate when the L filter plate moves along the vertical groove.

[0013] As an optimization, the sealing plate is provided with four inclined grooves, each of the L filter plates is connected to a round block, and each of the round blocks is arranged in the corresponding inclined groove. By arranging the round blocks in the inclined grooves, the stability of the movement of the related elements is enhanced.

[0014] As an optimization, the storage tank is connected to a set of brackets to facilitate the installation of the storage tank.

[0015] As an optimization, the middle of the storage tank is fixedly connected to a water inlet valve, and the bottom of the storage tank is fixedly connected to a liquid discharge valve. The water inlet valve is used to facilitate the addition of potassium permanganate solution, and the liquid discharge valve is provided to facilitate the discharge of the solution.

[0016] The effects provided in the content of the invention are only the effects of the embodiments, rather than all the effects of the invention. The above technical solution has the following advantages or beneficial effects: 1. The present invention realizes the control and processing of the carbon dioxide purification process and the numerical intuitive observation through the control display, realizes the intelligent control of the air pump and the solenoid valve, and is easy to use. By adding potassium permanganate solution to the storage tank, impurities such as alcohol, aldehyde, acid and water vapor mixed in the carbon dioxide are absorbed to achieve carbon dioxide purification, which is convenient for the subsequent collection and treatment of carbon dioxide.

[0017] 2. The present invention controls the operation of the air pump to change the pressure of carbon dioxide in the storage tank, utilizes the gravity of the sealing cone and the like, realizes the movement of the sealing cone, realizes the reverse movement of the piston and the sealing cone by adopting the method of connecting rod rotation connection, when carbon dioxide pushes the sealing cone to move upward, the piston moves downward, further reduces the storage space of carbon dioxide, accelerates the entry of carbon dioxide into the joint pipe through the intermediate pipe, the vertical axis rotates in the opposite direction with the circular tube axis and there is a relative movement in the height direction, realizes the change of the air inlet area composed of the inner vent and the outer vent, the intermediate plate, the L filter plate, the sealing plate and the sealing cone form a relative sealing area, the air inlet area composed of the inner vent and the outer vent is in the sealing area, and the air inlet area and the sealing area of ​​the two are enlarged or reduced at the same time, the more the piston is downward, the smaller the air inlet area is, and the carbon dioxide gas is convenient to be discharged. The outer stirring rod and the inner stirring rod move in the height direction and rotate at the same time, stirring the gas and the potassium permanganate solution, and the impurities in the gas are conveniently dissolved in the potassium permanganate solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0020] Figure 2 The partially cutaway three-dimensional structure of the present invention is schematically shown Figure 1 .

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the lower sealing assembly, the transmission assembly and the upper piston assembly of the present invention.

[0022] Figure 4 The schematic diagram of the partial three-dimensional structure of the lower sealing assembly of the present invention is shown in FIG. Figure 1 .

[0023] Figure 5 The schematic diagram of the partial three-dimensional structure of the lower sealing assembly of the present invention is shown in FIG. Figure 2 .

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the lower sealing assembly and the upper piston assembly of the present invention.

[0025] Figure 7 It is a partial exploded view of the present invention.

[0026] Figure 8 The partially cutaway three-dimensional structure of the present invention is schematically shown Figure 2 .

[0027] In the figure: 1. Intermediate tank assembly, 11. Connector pipe, 12. Storage tank, 13. Guide pipe, 14. Inlet valve, 15. Drain valve, 16. Bracket, 17. Cone cover; 2. Intelligent pipe assembly, 21. Control display, 22. Button, 23. Main pipe, 24. Air pump, 25. Solenoid valve, 26. L pipe; 3. fermentation tank assembly, 31. main support, 32. fermentation tank; 4. Lower sealing assembly, 41. Sealing cone, 42. Guide rod, 43. L plate, 44. Sealing plate, 45. Support square rod, 46. Guide cross bar, 47. Square block, 48. Bevel groove, 49. Gear, 410. Middle bevel gear, 411. Round block, 412. L filter plate, 413. Mounting seat, 414. Rotating ring, 415. Transverse connecting rod, 416. Middle plate, 417. Vertical groove, 418. Lower bevel gear, 419. Upper bevel gear, 420. Square hole shaft, 421. Circular tube shaft, 422. External vent, 423. L mounting plate, 424. External stirring rod; 5. Transmission assembly, 51. upper connecting rod, 52. middle connecting rod, 53. lower connecting rod; 6. upper piston assembly, 61. piston, 62. intermediate tube, 63. rack, 64. inner stirring rod, 65. inner vent hole, 66. vent channel, 67. vertical axis, 68. square axis. DETAILED DESCRIPTION

[0028] In order to clearly illustrate the technical features of the present solution, the present invention is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The present invention omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the present invention. The orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figures 1 to 8As shown, embodiment 1: an alcohol fermentation carbon dioxide purification device, comprising: an intermediate tank assembly 1, an intelligent pipe assembly 2 and a fermentation tank assembly 3; the fermentation tank assembly 3 comprises a main bracket 31, and the main bracket 31 is connected to the fermentation tank 32; the intermediate tank assembly 1 comprises a storage tank 12, and the storage tank 12 is fixedly connected to the joint pipe 11; the intelligent pipe assembly 2 comprises a main pipe 23, and the main pipe 23 is fixedly connected to the L-shaped exhaust pipe of the fermentation tank 32, and an air pump 24 and a solenoid valve 25 are installed on the main pipe 23; the main bracket 31 is connected to the control display 21, and a button 22 is installed on the control display 21, and the button 22, the air pump 24 and the solenoid valve 25 are electrically connected to the control display 21 respectively; the main pipe 23 is fixedly connected to the L through pipe 26, and the L through pipe 26 passes through the storage tank 12 in a sealed manner, and the air outlet of the L through pipe 26 is close to the bottom plate of the storage tank 12. By adding potassium permanganate solution to the storage tank 12, impurities such as alcohol, aldehyde, acid and water vapor mixed in the carbon dioxide are absorbed to purify the carbon dioxide, which is convenient for subsequent collection and treatment of the carbon dioxide. By controlling the display 21, the carbon dioxide purification process is controlled and processed and numerically and intuitively observed, and the air pump 24 and the solenoid valve 25 are intelligently controlled, which is convenient to use.

[0030] A carbon dioxide concentration detection sensor and a pressure sensor etc. can be installed in the fermentation tank 32, so as to facilitate the control display 21 to control the air pump 24 and the solenoid valve 25 to achieve carbon dioxide purification and collection.

[0031] The storage tank 12 is provided with an upper piston assembly 6, a transmission assembly 5 and a lower sealing assembly 4. The upper piston assembly 6 includes a piston 61, and the piston 61 matches the storage tank 12. The storage tank 12 is connected to a symmetrical guide tube 13, and the symmetrical guide tubes 13 pass through the piston 61 respectively. The lower sealing assembly 4 includes a sealing cone 41, and the storage tank 12 is connected to a cone cover 17, and the sealing cone 41 matches the cone cover 17. The sealing cone 41 is connected to a symmetrical guide rod 42, and the symmetrical guide rods 42 are respectively arranged on the corresponding In the guide tube 13, the transmission assembly 5 includes symmetrical middle connecting rods 52, which are symmetrically connected to the corresponding guide tubes 13, and the upper ends of the symmetrical middle connecting rods 52 are connected to the upper connecting rods 51, which are symmetrically connected to the pistons 61, and the lower ends of the symmetrical middle connecting rods 52 are connected to the lower connecting rods 53, which are symmetrically connected to the sealing cones 41, and the pistons 61 are connected to the intermediate pipes 62, which are arranged in the joint pipe 11. By adopting the connecting rod rotation connection mode, the pistons 61 and the sealing cones 41 can move in the opposite direction, and the pressure of the carbon dioxide in the storage tank 12 can be changed by controlling the operation of the air pump 24. The sealing cones 41 can move by using their own gravity. When the carbon dioxide pushes the sealing cones 41 to move upward, the pistons 61 move downward, so that the storage space of the carbon dioxide is further reduced, and the carbon dioxide is accelerated to enter the joint pipe 11 through the intermediate pipe 62, so as to facilitate the collection of the purified carbon dioxide.

[0032] The storage tank 12 is connected to a set of brackets 16 to facilitate installation of the storage tank 12 .

[0033] The middle of the storage tank 12 is fixedly connected to a water inlet valve 14, and the bottom of the storage tank 12 is fixedly connected to a liquid discharge valve 15. The water inlet valve 14 is used to facilitate the addition of potassium permanganate solution, and the liquid discharge valve 15 is provided to facilitate the discharge of the solution.

[0034] The workflow of this embodiment is: An appropriate amount of potassium permanganate solution is added into the storage tank 12 through the water inlet valve 14 .

[0035] One end of the hose is connected to the joint pipe 11, and the other end is connected to the carbon dioxide collection system. A vacuum pump is installed on the hose.

[0036] When the fermentation tank 32 is fermenting, the air pump 24 is controlled to work intermittently. When the air pump 24 is working, the air pump is working, the solenoid valve 25 is opened, and the carbon dioxide in the fermentation tank 32 is extracted into the main pipe 23, and enters the storage tank 12 through the L pipe 26. As the air pressure increases, the gravity of the lower sealing component 4 is overcome, and the lower sealing component 4 moves upward, the sealing cone 41 drives the lower connecting rod 53 to swing, the lower connecting rod 53 drives the middle connecting rod 52 to swing, the middle connecting rod 52 drives the upper connecting rod 51 to swing, and the upper connecting rod 51 drives the upper piston assembly 6 to move upward, wherein the piston 61 moves downward along the guide pipe 13, further compressing the gas in the storage tank 12, so that the gas enters the carbon dioxide collection system through the intermediate pipe 62 and the joint pipe 11, and gas collection is achieved. Potassium permanganate solution removes impurities such as alcohol, aldehyde, and acid mixed in carbon dioxide. When the power of the air pump 24 decreases and stops, the air pressure decreases, and the lower sealing component 4 moves downward, so that the sealing cone 41 contacts the cone cover 17 to achieve sealing.

[0037] Embodiment 2: This embodiment is further elaborated on the basis of embodiment 1, the sealing cone 41 is connected to a group of supporting square rods 45, each of the supporting square rods 45 is respectively connected to the sealing plate 44, the sealing plate 44 is connected to the L plate 43, the sealing cone 41 is connected to the square block 47, the L plate 43 is connected to the central axis of the middle bevel gear 410 by a bearing, the L plate 43 is connected to the square hole shaft 420 by a bearing, the sealing plate 44 is connected to the circular tube shaft 421 by a bearing, the circular tube shaft 421 passes through the square block 47 and the sealing cone 41, a square shaft 68 is arranged in the square hole shaft 420, and the square shaft 68 is connected to the vertical shaft 67, The vertical shaft 67 is connected to the intermediate tube 62 by a bearing, the vertical shaft 67 is arranged in the circular tube shaft 421, the vertical shaft 67 is provided with a ventilation channel 66, the vertical shaft 67 is provided with an inner ventilation hole 65, the circular tube shaft 421 is provided with an outer ventilation hole 422, the piston 61 is connected to the rack 63, the central axis of the middle bevel gear 410 is connected to the gear 49, the gear 49 meshes with the rack 63, the circular tube shaft 421 is connected to the lower bevel gear 418, the square hole shaft 420 is connected to the upper bevel gear 419, and the upper bevel gear 419 and the lower bevel gear 418 are respectively meshed with the middle bevel gear 410. By adopting the gear rack meshing and the bevel gear meshing, and the vertical shaft 67 and the circular tube shaft 421 have a relative movement in the height direction, the air inlet area composed of the inner ventilation hole 65 and the outer ventilation hole 422 is changed, and the lower the piston 61 is, the smaller the air inlet area is, which is convenient for the discharge of carbon dioxide gas.

[0038] The workflow of this embodiment is: When the upper piston assembly 6 moves in the height direction, the rack 63 and the gear 49 move relative to each other, the rack 63 drives the gear 49 to rotate, the gear 49 drives the middle bevel gear 410 to rotate, the middle bevel gear 410 drives the lower bevel gear 418 and the upper bevel gear 419 to rotate, and the two rotate in opposite directions, the lower bevel gear 418 drives the circular tube shaft 421 to rotate, the upper bevel gear 419 drives the square hole shaft 420, the square shaft 68 and the vertical shaft 67 to rotate, and the rotation angle of the lower bevel gear 418 and the upper bevel gear 419 does not exceed 180°, and the vertical shaft 67 and the circular tube shaft 421 move relative to each other in the height direction, so that the area composed of the inner vent 65 and the outer vent 422 is constantly changed, and the carbon dioxide inlet area is constantly changed. The further the piston 61 moves downward, the smaller the inlet area is, which facilitates the discharge of carbon dioxide gas.

[0039] Embodiment 3: This embodiment is further elaborated on the basis of embodiment 2, the square block 47 is connected to a group of guide crossbars 46, each of the guide crossbars 46 passes through the middle plate 416, each of the middle plate 416 is provided with a vertical slot 417, each of the vertical slots 417 is provided with an L filter plate 412, the circular tube shaft 421 is connected to the rotating ring 414, the rotating ring 414 is rotatably connected to a group of horizontal connecting rods 415, each of the horizontal connecting rods 415 is rotatably connected to the mounting seat 413, and each of the mounting seats 413 is connected to the corresponding middle plate 416. The middle plate 416, the L filter plate 412, the sealing plate 44 and the sealing cone 41 form a relatively sealed area, the air inlet area formed by the inner vent 65 and the outer vent 422 is in the sealed area, and the air inlet area and the sealing area of ​​the two are enlarged or reduced at the same time. The L filter plate 412 filters the carbon dioxide gas, so that moisture remains on the outer surface of the L filter plate 412 , and is scraped off by the middle plate 416 when the L filter plate 412 moves along the vertical groove 417 .

[0040] The sealing plate 44 is provided with four inclined grooves 48, each of the L filter plates 412 is respectively connected to a round block 411, and each of the round blocks 411 is respectively arranged in the corresponding inclined groove 48. By arranging the round block 411 in the inclined groove 48, the stability of the movement of the related elements is enhanced.

[0041] The workflow of this embodiment is: The circular tube shaft 421 drives the rotating ring 414 to rotate, the rotating ring 414 drives the horizontal connecting rod 415 to swing, the horizontal connecting rod 415 drives the mounting seat 413 to move, the mounting seat 413 drives the middle plate 416 to move, the middle plate 416 drives the L filter plate 412 to move along the vertical groove 417, the L filter plate 412 drives the round block 411 to move along the inclined groove 48, the middle plate 416, the L filter plate 412, the sealing plate 44 and the sealing cone 41 form a relatively sealed area, the air inlet area formed by the inner vent 65 and the outer vent 422 is in the sealed area, and the air inlet area and the sealing area of ​​the two are enlarged or reduced at the same time. The L filter plate 412 realizes the filtration of carbon dioxide gas, so that the moisture remains on the outer surface of the L filter plate 412, and is scraped off by the middle plate 416 when the L filter plate 412 moves along the vertical groove 417.

[0042] Embodiment 4: This embodiment is further described on the basis of Embodiment 2 or 3, wherein the circular tube shaft 421 is connected to a symmetrical L mounting plate 423, and the symmetrical L mounting plates 423 are respectively connected to a group of uniformly distributed outer stirring rods 424, and the lower part of the vertical shaft 67 is connected to a group of inner stirring rods 64. The outer stirring rods 424 and the inner stirring rods 64 move in the height direction and rotate at the same time to stir the gas and the potassium permanganate solution, so that impurities in the gas are dissolved in the potassium permanganate solution.

[0043] The workflow of this embodiment is: The circular tube shaft 421 drives the L mounting plate 423 and the outer stirring rod 424 to move and rotate in the height direction, and the vertical shaft 67 drives the inner stirring rod 64 to move and rotate in the height direction, stirring the gas and the potassium permanganate solution to facilitate the impurities in the gas to dissolve in the potassium permanganate solution.

[0044] The present invention realizes control processing and numerical intuitive observation of the carbon dioxide purification process by using a control display 21, realizes intelligent control of the air pump 24 and the electromagnetic valve 25, and is easy to use. Potassium permanganate solution is added to the storage tank 12 to absorb impurities such as alcohol, aldehyde, acid and water vapor mixed in the carbon dioxide, thereby realizing carbon dioxide purification and facilitating the subsequent collection and treatment of carbon dioxide.

[0045] The present invention controls the operation of the air pump 24 to change the pressure of carbon dioxide in the storage tank 12, utilizes the gravity of the sealing cone 41 and the like to realize the movement of the sealing cone 41, and realizes the reverse movement of the piston 61 and the sealing cone 41 by adopting the method of connecting rod rotation connection. When the carbon dioxide pushes the sealing cone 41 to move upward, the piston 61 moves downward, so that the storage space of the carbon dioxide is further reduced, and the carbon dioxide enters the joint pipe 11 through the intermediate pipe 62 more quickly. The vertical axis 67 rotates in the opposite direction to the circular pipe axis 421 and there is a relative movement in the height direction, so that the air inlet area composed of the inner air hole 65 and the outer air hole 422 changes, the intermediate plate 416, the L filter plate 412, the sealing plate 44 and the sealing cone 41 form a relatively sealed area, the air inlet area composed of the inner air hole 65 and the outer air hole 422 is in the sealed area, and the air inlet areas and the sealing areas of the two are enlarged or reduced at the same time, the further the piston 61 is downward, the smaller the air inlet area is, and the carbon dioxide gas is convenient to discharge. The outer stirring rod 424 and the inner stirring rod 64 move in the height direction and rotate at the same time to stir the gas and the potassium permanganate solution, so that impurities in the gas can be dissolved in the potassium permanganate solution.

[0046] Although the above describes the specific implementation mode of the invention in conjunction with the drawings, it is not intended to limit the scope of protection of the invention. Based on the technical solution of the present invention, various modifications or variations that can be made by those skilled in the art without creative work are still within the scope of protection of the present invention.

Claims

1. An alcohol fermentation carbon dioxide purification device, characterized in that: include: An intermediate tank assembly (1), an intelligent pipe assembly (2) and a fermentation tank assembly (3); The fermentation tank assembly (3) comprises a main support (31), and the main support (31) is connected to the fermentation tank (32); The intermediate tank assembly (1) comprises a storage tank (12), and the storage tank (12) is fixedly connected to a joint pipe (11); The intelligent pipe assembly (2) comprises a main pipe (23), the main pipe (23) is fixedly connected to an L-shaped exhaust pipe of the fermentation tank (32), an air pump (24) and a solenoid valve (25) are installed on the main pipe (23), the main bracket (31) is connected to a control display (21), a button (22) is installed on the control display (21), and the button (22), the air pump (24) and the solenoid valve (25) are respectively electrically connected to the control display (21); The main pipe (23) is fixedly connected to an L-type pipe (26), and the L-type pipe (26) passes through the storage tank (12) in a sealed manner. The air outlet of the L-type pipe (26) is close to the bottom plate of the storage tank (12).

2. The alcohol fermentation carbon dioxide purification device according to claim 1, characterized in that: An upper piston assembly (6), a transmission assembly (5) and a lower sealing assembly (4) are arranged in the storage tank (12); the upper piston assembly (6) comprises a piston (61), the piston (61) matches the storage tank (12), the storage tank (12) is connected to symmetrical guide tubes (13), the symmetrical guide tubes (13) respectively pass through the pistons (61), the lower sealing assembly (4) comprises a sealing cone (41), the storage tank (12) is connected to a cone cover (17), the sealing cone (41) matches the cone cover (17), the sealing cone (41) is connected to symmetrical guide rods (42), the symmetrical guide rods (42) are respectively arranged In the corresponding guide tube (13), the transmission assembly (5) includes a symmetrical middle connecting rod (52), the symmetrical middle connecting rod (52) is rotatably connected to the corresponding guide tube (13), the upper end of the symmetrical middle connecting rod (52) is rotatably connected to the upper connecting rod (51), the symmetrical upper connecting rod (51) is rotatably connected to the piston (61), the lower end of the symmetrical middle connecting rod (52) is rotatably connected to the lower connecting rod (53), the symmetrical lower connecting rod (53) is rotatably connected to the sealing cone (41), the piston (61) is connected to the intermediate tube (62), and the intermediate tube (62) is arranged in the joint tube (11).

3. The alcohol fermentation carbon dioxide purification device according to claim 2, characterized in that: The sealing cone (41) is connected to a group of supporting square rods (45), each of the supporting square rods (45) is respectively connected to a sealing plate (44), the sealing plate (44) is connected to an L plate (43), the sealing cone (41) is connected to a square block (47), the L plate (43) is connected to a central axis of a middle bevel gear (410) by a bearing, the L plate (43) is connected to a square hole shaft (420) by a bearing, the sealing plate (44) is connected to a circular tube shaft (421), the circular tube shaft (421) passes through the square block (47) and the sealing cone (41), a square shaft (68) is arranged in the square hole shaft (420), the square shaft (68) is connected to a vertical shaft (67), and the vertical shaft (67) is connected to the middle bevel gear (410) by a bearing. The intermediate tube (62) is provided in the circular tube shaft (421), the vertical shaft (67) is provided with a ventilation channel (66), the vertical shaft (67) is provided with an inner ventilation hole (65), the circular tube shaft (421) is provided with an outer ventilation hole (422), the piston (61) is connected to the rack (63), the central axis of the middle bevel gear (410) is connected to the gear (49), the gear (49) meshes with the rack (63), the circular tube shaft (421) is connected to the lower bevel gear (418), the square hole shaft (420) is connected to the upper bevel gear (419), and the upper bevel gear (419) and the lower bevel gear (418) respectively mesh with the middle bevel gear (410).

4. The alcohol fermentation carbon dioxide purification device according to claim 3, characterized in that: The circular tube shaft (421) is connected to a symmetrical L-mounting plate (423), the symmetrical L-mounting plates (423) are respectively connected to a group of evenly distributed outer stirring rods (424), and the lower part of the vertical shaft (67) is connected to a group of inner stirring rods (64).

5. The alcohol fermentation carbon dioxide purification device according to claim 3, characterized in that: The square block (47) is connected to a group of guide cross bars (46), each of the guide cross bars (46) passes through an intermediate plate (416), each of the intermediate plates (416) is provided with a vertical slot (417), and each of the vertical slots (417) is provided with an L filter plate (412). The circular tube shaft (421) is connected to a rotating ring (414), and the rotating ring (414) is rotatably connected to a group of cross connecting rods (415), each of the cross connecting rods (415) is rotatably connected to a mounting seat (413), and each of the mounting seats (413) is connected to a corresponding intermediate plate (416).

6. The alcohol fermentation carbon dioxide purification device according to claim 5, characterized in that: The sealing plate (44) is provided with four inclined grooves (48), each of the L filter plates (412) is respectively connected to a round block (411), and each of the round blocks (411) is respectively arranged in a corresponding inclined groove (48).

7. The alcohol fermentation carbon dioxide purification device according to claim 1, characterized in that: The storage tank (12) is connected to a set of brackets (16).

8. The alcohol fermentation carbon dioxide purification device according to claim 1, characterized in that: The middle of the storage tank (12) is fixedly connected to a water inlet valve (14), and the bottom of the storage tank (12) is fixedly connected to a liquid discharge valve (15).

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