A fermentation tank with enhanced mass transfer efficiency and use method thereof

Abstract

The present invention discloses a fermentation tank with enhanced mass transfer efficiency and a method of using the same, including a tank body, a tank cover, a lifting mechanism, an adjusting mechanism, a stirring assembly and a power assembly, wherein the tank cover is arranged on the upper surface of the tank body, and the stirring assembly is arranged in the tank body. The adjusting mechanism is driven by the power assembly to change the position of the stirring assembly in the tank body to increase the stirring area, and the lifting mechanism is used to lift the tank cover to expose the stirring assembly from the tank body. The mobile support block is driven by the power output end of the telescopic cylinder, and as the roller slides in the slide groove, the mobile support block is driven to move in the driving area formed between the two fixed blocks, and the stirring roller and the stirring blade are driven to move in the tank body, thereby increasing the stirring range, ensuring that the materials are fully mixed, and increasing the contact area between the gas and liquid phases, thereby improving the overall mass transfer efficiency of the fermentation tank.

Description

Technical Field

[0001] The invention relates to a fermentation tank with enhanced mass transfer efficiency and a use method thereof. Background Art

[0002] Fermentation tank refers to the device used for microbial fermentation in industry. The mass transfer efficiency of the fermentation tank refers to the rate and degree of oxygen and nutrients entering the fermentation liquid and metabolites and gases being discharged from the fermentation liquid during the fermentation process. It is one of the important indicators for evaluating the performance of the fermentation tank.

[0003] The fermentation tank currently used only has one set of stirring rollers and stirring blades inside, which results in low stirring efficiency, poor contact area and mixing effect between the gas and liquid phases, and thus affects the mass transfer efficiency of the fermentation tank. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a fermentation tank with enhanced mass transfer efficiency and a method of using the same. The mobile support block is driven by the power output end of the telescopic cylinder. As the roller slides in the slide groove, the mobile support block is driven to move in the driving area formed between the two fixed blocks, and the stirring roller and the stirring blade are driven to move within the tank body, thereby increasing the stirring range, ensuring that the materials are fully mixed, and increasing the contact area between the gas-liquid phases, thereby improving the overall mass transfer efficiency of the fermentation tank.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a fermentation tank with enhanced mass transfer efficiency, comprising a tank body, a tank cover, a lifting mechanism, an adjusting mechanism, a stirring assembly and a power assembly, wherein the tank cover is arranged on the upper surface of the tank body, and the stirring assembly is arranged in the tank body. The adjusting mechanism is driven by the power assembly to change the position of the stirring assembly in the tank body to increase the stirring area, and the lifting mechanism is used to lift the tank cover to expose the stirring assembly from the tank body.

[0006] As a preferred technical solution of the present invention, the adjustment mechanism includes two fixed blocks arranged on the surface of the tank cover, a movable support block is arranged between the two fixed blocks, and a running area for the movable support block to move is formed between the two fixed blocks.

[0007] As a preferred technical solution of the present invention, the two fixed blocks are provided with sliding grooves on opposite sides thereof, a connecting rod is provided on the side of the movable support block facing the sliding groove, a roller is provided on the end of the connecting rod away from the movable support block, and the roller extends into the sliding groove.

[0008] As a preferred technical solution of the present invention, a support plate is provided on the outer side of the tank body, a telescopic cylinder is provided on the support plate, and a power output end of the telescopic cylinder is connected to the movable support block.

[0009] As a preferred technical solution of the present invention, the stirring assembly includes a stirring roller inserted into the movable support block, the stirring roller extends into the tank body, and a plurality of stirring blades are arranged on the stirring roller.

[0010] As a preferred technical solution of the present invention, the power assembly includes a base arranged on the upper surface of the movable support block, and a first motor is arranged on the base. The power output end of the first motor extends through the base into the tank body and is connected to the stirring roller.

[0011] As a preferred technical solution of the present invention, a first fixed bracket and a second fixed bracket are arranged around the outer side of the tank body, and the lifting mechanism includes a vertical block arranged on the first fixed bracket, and the vertical block is provided with a slide rail inwardly facing the side of the tank body, and a connecting block is arranged in the slide rail, and the connecting block is connected to the tank cover at one end away from the slide rail.

[0012] As a preferred technical solution of the present invention, a second motor is arranged on the second fixed bracket, a threaded rod is connected to the power output end of the second motor, a bearing sleeve is sleeved on the threaded rod, and the bearing sleeve is connected to the tank cover through a connecting block.

[0013] As a preferred technical solution of the present invention, a fixing plate is arranged on the outside of the tank body, a through hole for the threaded rod to pass through is opened on the surface of the fixing plate, and a sliding rod is arranged on the upper surface of the fixing plate, a sliding sleeve is sleeved on the sliding rod, and the sliding sleeve is connected to the bearing sleeve.

[0014] A method for using a fermentation tank for enhancing mass transfer efficiency, the specific steps are as follows: S1. Add the object to be fermented into the tank through the feed inlet, start the first motor, and the power output end of the first motor drives the stirring roller to rotate, driving the stirring blade to rotate, stirring the fermented material to make the gas and liquid phases contact; S2. When the stirring roller is stirring, the telescopic cylinder is started, and the power output end of the telescopic cylinder drives the mobile support block. As the roller slides in the slide groove, the mobile support block is driven to move in the driving area formed between the two fixed blocks, and the stirring roller and the stirring blade are driven to move in the tank body; S3, after the stirring is finished, the second motor is started, and the power output end of the second motor drives the threaded rod to rotate, and the sliding sleeve slides on the sliding rod, driving the bearing sleeve to follow the movement, and at the same time, the connecting block slides in the sliding rail along the length direction of the sliding rail, so that the tank cover rises; S4. As the tank cover rises, the stirring roller and stirring blades are exposed outside the tank body, and the staff can clean the stirring blades.

[0015] Compared with the prior art, the beneficial effects that the present invention can achieve are: the mobile support block is driven by the power output end of the telescopic cylinder, and as the roller slides in the slide groove, the mobile support block is driven to move in the driving area formed between the two fixed blocks, and the stirring roller and the stirring blade are driven to move in the tank body, thereby increasing the stirring range, ensuring that the materials are fully mixed, and increasing the contact area between the gas-liquid phases, thereby improving the overall mass transfer efficiency of the fermentation tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic structural diagram of a first fixing bracket of the present invention; Figure 3 It is a structural schematic diagram of the base of the present invention; Figure 4 It is a structural schematic diagram of the stirring roller of the present invention; Figure 5 It is a structural schematic diagram of the connection block of the present invention; Figure 6 It is a schematic structural diagram of the roller of the present invention.

[0017] Among them: 1. tank body; 2. tank cover; 3. fixed block; 4. movable support block; 5. slide groove; 6. connecting rod; 7. roller; 8. support plate; 9. telescopic cylinder; 10. stirring roller; 11. stirring blade; 12. base; 13. first motor; 14. first fixed bracket; 15. second fixed bracket; 16. vertical block; 17. slide rail; 18. connecting block; 19. second motor; 20. threaded rod; 21. bearing sleeve; 22. slide rod; 23. slide sleeve; 24. fixed plate. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can be obtained from commercial channels.

[0019] Example: like Figure 1 - Figure 6As shown, this embodiment proposes a fermentation tank with enhanced mass transfer efficiency, including a tank body 1, a tank cover 2, a lifting mechanism, an adjusting mechanism, a stirring assembly and a power assembly, wherein the tank cover 2 is arranged on the upper surface of the tank body 1, and the stirring assembly is arranged in the tank body 1. Through the driving of the power assembly, the adjusting mechanism changes the position of the stirring assembly in the tank body 1 to increase the stirring area, and the lifting mechanism is used to lift the tank cover 2 to expose the stirring assembly from the tank body 1; the mobile support block 4 is driven by the power output end of the telescopic cylinder 9, and as the roller 7 slides in the slide groove 5, the mobile support block 4 is driven to move in the driving area formed between the two fixed blocks 3, and the stirring roller 10 and the stirring blade 11 are driven to move in the tank body 1, thereby increasing the stirring range, ensuring that the materials are fully mixed, and increasing the contact area between the gas-liquid two phases, thereby improving the overall mass transfer efficiency of the fermentation tank.

[0020] The adjustment mechanism includes two fixed blocks 3 arranged on the surface of the tank cover 2, a movable support block 4 is arranged between the two fixed blocks 3, and a travel area for the movable support block 4 to move is formed between the two fixed blocks 3. A strip groove is provided on the surface of the tank cover 2, so that the movable support block 4 can drive the stirring roller 10 to move when moving, thereby increasing the stirring range and the contact area between the gas and liquid phases. A slide groove 5 is provided inwardly on the opposite side of the two fixed blocks 3, and a connecting rod 6 is provided on the side of the movable support block 4 facing the slide groove 5. A roller 7 is provided on the end of the connecting rod 6 away from the movable support block 4, and the roller 7 extends into the slide groove 5. The roller 7 slides in the slide groove 5 along the length direction of the slide groove 5, thereby driving the movement of the movable support block 4. A support plate 8 is provided on the outer side of the tank body 1, and a telescopic cylinder 9 is provided on the support plate 8. The power output end of the telescopic cylinder 9 is connected to the mobile support block 4. The telescopic cylinder 9 is supported by the support plate 8 to improve the stability of the telescopic cylinder 9 during the working process, and the telescopic cylinder 9 and the mobile support block 4 are placed on the same horizontal plane. The stirring assembly includes a stirring roller 10 inserted into the mobile support block 4, the stirring roller 10 extends into the tank body 1, and a plurality of stirring blades 11 are provided on the stirring roller 10. The power assembly includes a base 12 provided on the upper surface of the mobile support block 4, and a first motor 13 is provided on the base 12. The power output end of the first motor 13 passes through the base 12 and extends into the tank body 1 to connect with the stirring roller 10. The stirring roller 10 is driven by the first motor 13, and the stirring roller 10 drives the stirring blades 11 to rotate, thereby stirring the raw materials in the tank body 1 and improving the subsequent fermentation efficiency.

[0021] Furthermore, a first fixed bracket 14 and a second fixed bracket 15 are arranged around the outer side of the tank body 1, and the lifting mechanism includes a vertical block 16 arranged on the first fixed bracket 14, and the vertical block 16 is provided with a slide rail 17 inwardly facing the side of the tank body 1, and a connecting block 18 is arranged in the slide rail 17, and the connecting block 18 is connected to the tank cover 2 at one end away from the slide rail 17, and the vertical block 16 and the second motor 19 are supported by the first fixed bracket 14 and the second fixed bracket 15 respectively, and as the connecting block 18 moves in the slide rail 17 along the length direction of the slide rail 17, the tank cover 2 is driven to rise or fall. A second motor 19 is provided on the second fixed bracket 15, and a threaded rod 20 is connected to the power output end of the second motor 19. A bearing sleeve 21 is sleeved on the threaded rod 20, and the bearing sleeve 21 is connected to the tank cover 2 through a connecting block. When the second motor 19 drives the threaded rod 20 to rotate, the bearing sleeve 21 rotates accordingly. At this time, the sliding sleeve 23 slides on the sliding rod 22, and the sliding sleeve 23 is connected to the bearing sleeve 21, so as to limit the rotation of the bearing sleeve 21 and convert the rotational motion into linear motion, so that the bearing sleeve 21 can be lifted and lowered on the threaded rod 20, and the tank cover 2 can be driven to lift and lower under the sliding cooperation of the connecting block 18. A fixing plate 24 is disposed on the outer side of the tank body 1, and a through hole is provided on the surface of the fixing plate 24 for the threaded rod 20 to pass through, and a sliding rod 22 is disposed on the upper surface of the fixing plate 24, and a sliding sleeve 23 is sleeved on the sliding rod 22, and the sliding sleeve 23 is connected to the bearing sleeve 21, and the through hole facilitates the rotation of the threaded rod 20, and the fixing plate 24 can support the threaded rod 20 and the sliding rod 22. With the movement of the sliding sleeve 23, the bearing sleeve 21 is rotationally limited.

[0022] A method for using a fermentation tank for enhancing mass transfer efficiency, the specific steps are as follows: S1, adding the object to be fermented into the tank body 1 through the feed inlet, starting the first motor 13, and the power output end of the first motor 13 drives the stirring roller 10 to rotate, driving the stirring blade 11 to rotate, stirring the fermented material to make the gas-liquid two phases contact; S2. When the stirring roller 10 is stirring, the telescopic cylinder 9 is started, and the power output end of the telescopic cylinder 9 drives the mobile support block 4. As the roller 7 slides in the slide groove 5, the mobile support block 4 is driven to move in the driving area formed between the two fixed blocks 3, and the stirring roller 10 and the stirring blade 11 are driven to move in the tank body 1; S3, after the stirring is finished, the second motor 19 is started, and the power output end of the second motor 19 drives the threaded rod 20 to rotate, and slides on the slide rod 22 through the sliding sleeve 23, driving the bearing sleeve 21 to follow the movement, and at the same time, the connecting block 18 slides in the slide rail 17 along the length direction of the slide rail 17, so that the tank cover 2 rises; S4. As the tank cover 2 rises, the stirring roller 10 and the stirring blade 11 are exposed outside the tank body 1 , and the staff can clean the stirring blade 11 .

[0023] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above implementation regulations. The above implementation regulations and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A fermentation tank with enhanced mass transfer efficiency, characterized in that: The invention comprises a tank body (1), a tank cover (2), a lifting mechanism, an adjusting mechanism, a stirring assembly and a power assembly, wherein the tank cover (2) is arranged on the upper surface of the tank body (1), and the stirring assembly is arranged inside the tank body (1). The adjusting mechanism is driven by the power assembly to change the position of the stirring assembly inside the tank body (1) to increase the stirring area, and the lifting mechanism is used to lift the tank cover (2) to expose the stirring assembly from the tank body (1).

2. The fermentation tank with enhanced mass transfer efficiency according to claim 1, characterized in that: The adjustment mechanism comprises two fixed blocks (3) arranged on the surface of the tank cover (2), a movable support block (4) is arranged between the two fixed blocks (3), and a travel area for the movable support block (4) to move is formed between the two fixed blocks (3).

3. The fermentation tank with enhanced mass transfer efficiency according to claim 2, characterized in that: A slide groove (5) is provided inwardly on opposite sides of the two fixed blocks (3); a connecting rod (6) is provided on the side of the movable support block (4) facing the slide groove (5); a roller (7) is provided on the end of the connecting rod (6) away from the movable support block (4); and the roller (7) extends into the slide groove (5).

4. The fermentation tank with enhanced mass transfer efficiency according to claim 3, characterized in that: A support plate (8) is arranged on the outside of the tank body (1), a telescopic cylinder (9) is arranged on the support plate (8), and a power output end of the telescopic cylinder (9) is connected to the movable support block (4).

5. The fermentation tank with enhanced mass transfer efficiency according to claim 4, characterized in that: The stirring assembly comprises a stirring roller (10) inserted into a movable support block (4), the stirring roller (10) extending into the tank body (1), and a plurality of stirring blades (11) being arranged on the stirring roller (10).

6. The fermentation tank with enhanced mass transfer efficiency according to claim 5, characterized in that: The power assembly comprises a base (12) arranged on the upper surface of the movable support block (4), a first motor (13) being arranged on the base (12), and a power output end of the first motor (13) passing through the base (12) extends into the tank body (1) and is connected to the stirring roller (10).

7. The fermentation tank with enhanced mass transfer efficiency according to claim 1, characterized in that: A first fixed bracket (14) and a second fixed bracket (15) are arranged around the outer side of the tank body (1), and the lifting mechanism comprises a vertical block (16) arranged on the first fixed bracket (14), a slide rail (17) is provided inwardly of the vertical block (16) facing the tank body (1), a connecting block (18) is arranged in the slide rail (17), and an end of the connecting block (18) away from the slide rail (17) is connected to the tank cover (2).

8. The fermentation tank with enhanced mass transfer efficiency according to claim 7, characterized in that: A second motor (19) is disposed on the second fixed bracket (15); a threaded rod (20) is connected to a power output end of the second motor (19); a bearing sleeve (21) is sleeved on the threaded rod (20); and the bearing sleeve (21) is connected to the tank cover (2) via a connecting block.

9. The fermenter with enhanced mass transfer efficiency according to claim 8, characterized in that: A fixing plate (24) is arranged on the outside of the tank body (1), a through hole for the threaded rod (20) to pass through is provided on the surface of the fixing plate (24), and a sliding rod (22) is arranged on the upper surface of the fixing plate (24), a sliding sleeve (23) is sleeved on the sliding rod (22), and the sliding sleeve (23) is connected to the bearing sleeve (21).

10. The method for using a fermentation tank for enhancing mass transfer efficiency according to any one of claims 1 to 9, characterized in that: S1, adding the object to be fermented into the tank body (1) through the feed inlet, starting the first motor (13), and the power output end of the first motor (13) drives the stirring roller (10) to rotate, driving the stirring blade (11) to rotate, stirring the fermented object, so that the gas and liquid phases are in contact; S2. When the stirring roller (10) is stirring, the telescopic cylinder (9) is started, and the power output end of the telescopic cylinder (9) drives the movable support block (4). As the roller (7) slides in the slide groove (5), the movable support block (4) is driven to move in the travel area formed between the two fixed blocks (3), and the stirring roller (10) and the stirring blade (11) are driven to move in the tank body (1); S3, after the stirring is completed, the second motor (19) is started, and the power output end of the second motor (19) drives the threaded rod (20) to rotate, and the threaded rod (20) slides on the slide rod (22) through the slide sleeve (23), driving the bearing sleeve (21) to follow the movement, and at the same time, the connecting block (18) slides in the slide rail (17) along the length direction of the slide rail (17), so that the tank cover (2) rises; S4. As the tank cover (2) rises, the stirring roller (10) and the stirring blade (11) are exposed outside the tank body (1), and the staff can clean the stirring blade (11).

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