Stirring device of fermentation tank

Abstract

The utility model belongs to the technical field of fermentation equipment, and particularly relates to a fermentation tank stirring device which comprises a fermentation tank, a driving component and a foam eliminating component are arranged on the top surface of the fermentation tank, the driving component is in transmission connection with the foam eliminating component, and a lifting stirring mechanism is arranged in the fermentation tank. The lifting stirring mechanism penetrates through the top surface of the fermentation tank and is in transmission connection with the driving assembly; the lifting stirring mechanism comprises a lifting assembly arranged in the fermentation tank, the lifting assembly penetrates out of the top face of the fermentation tank to be in transmission connection with the driving assembly, and the lifting assembly is in transmission connection with a stirring assembly. Meanwhile, the foam eliminating assembly is driven to rotate through the driving assembly, so that the defoaming agent is circumferentially sprayed into the fermentation tank, the spraying area is increased, and the inhibition effect on foam is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fermentation equipment, and in particular relates to a stirring device for a fermentation tank. Background Art

[0002] Fermentation refers to the process in which people use the life activities of microorganisms under aerobic or anaerobic conditions to prepare the microbial cells themselves, or direct metabolites or secondary metabolites. It has been widely used in the food industry, biological and chemical industries, etc. In order to ensure the uniformity of fermentation, a special stirring device is often required.

[0003] The existing fermentation tank stirring device easily causes the culture medium to generate a lot of foam during the stirring process, which not only affects the respiration of the bacteria and reduces the fermentation quality of the culture medium, but also reduces the production capacity due to the space occupied by the foam. Utility Model Content

[0004] The utility model aims to provide a fermentation tank stirring device to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] A fermentation tank stirring device comprises a fermentation tank, wherein a driving component and a foam elimination component are arranged on the top surface of the fermentation tank, wherein the driving component is in transmission connection with the foam elimination component, and a lifting stirring mechanism is arranged inside the fermentation tank, wherein the lifting stirring mechanism passes through the top surface of the fermentation tank and is in transmission connection with the driving component;

[0007] The lifting and stirring mechanism comprises a lifting component arranged in the fermentation tank, the lifting component passes through the top surface of the fermentation tank and is transmission-connected to the driving component, and the lifting component is transmission-connected to the stirring component.

[0008] Preferably, the driving assembly includes a first motor fixedly connected to the top surface of the fermentation tank, and the top surface of the fermentation tank is rotatably connected to two symmetrically arranged pulleys, a conveyor belt is sleeved between the two pulleys, one of the pulleys is coaxially fixed to the output shaft of the first motor, the pulley is fixedly connected to the lifting assembly, and the other pulley is transmission-connected to the foam elimination assembly.

[0009] Preferably, the lifting assembly includes a screw rotatably connected to the inside of the fermentation tank, the screw is vertically arranged, one end of the screw passes through the top surface of the fermentation tank and is coaxially fixed with the output shaft of the first motor, the other end of the screw is rotatably connected to the top surface of the support plate, the support plate is fixedly connected to the inner wall of the fermentation tank, the screw is threadedly connected with a nut, the inner wall of the fermentation tank is fixedly connected with a vertically arranged sliding rod, the outer wall of the sliding rod is slidably connected with a sliding block, and the stirring assembly is arranged between the nut and the sliding block.

[0010] Preferably, the stirring assembly includes a stirring rod rotatably connected between the nut and the slider, the stirring rod is horizontally arranged, one end of the stirring rod is inserted into the nut and is coaxially fixed with the output shaft of the second motor, the second motor is fixedly connected in the nut, and the outer wall of the stirring rod is fixedly connected with a plurality of stirring blades, the plurality of stirring blades are respectively located on two opposite sides of the stirring rod and are symmetrically arranged, the side walls of the stirring blades are opened with a plurality of through holes, and the plurality of through holes are arranged in an array.

[0011] Preferably, the foam elimination component includes a material box fixedly connected to the top surface of the fermentation tank, the liquid outlet of the material box is connected to the liquid inlet of a water pump, the liquid outlet of the water pump is connected to a vertically arranged connecting pipe, the liquid outlet of the water pump is rotatably connected to the connecting pipe, the connecting pipe is coaxially fixed to the pulley, the connecting pipe is rotatably connected to the top wall of the fermentation tank, the bottom end of the connecting pipe passes through the top wall of the fermentation tank and is fixedly connected to a horizontally arranged nozzle, the connecting pipe is connected to the nozzle, the outer side wall of the nozzle is connected to a plurality of nozzles, and the plurality of nozzles are arranged at equal intervals along the length direction of the nozzle.

[0012] Preferably, the inner side wall of the fermentation tank is fixedly connected to a limiting plate, and the limiting plate is rotatably connected to the lead screw.

[0013] Preferably, the discharge port of the fermentation tank is provided with a valve.

[0014] Compared with the prior art, the utility model has the following advantages and technical effects:

[0015] When the utility model is in use, a foam elimination component is provided to add defoaming agent into the fermentation tank, and at the same time, the foam elimination component is driven to rotate by the driving component, so that the defoaming agent is sprinkled circumferentially in the fermentation tank, thereby increasing the spraying area and achieving the effect of suppressing foam; the lifting component is used to drive the stirring component to move up and down, thereby increasing the stirring range and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0019] Among them, 1. fermentation tank; 2. first motor; 3. lead screw; 4. nut; 5. support plate; 6. stirring rod; 7. stirring blade; 8. through hole; 9. second motor; 10. slide rod; 11. material box; 12. water pump; 13. pulley; 14. conveyor belt; 15. connecting pipe; 16. nozzle; 17. nozzle; 18. valve; 19. limit plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Reference Figure 1 to Figure 2 As shown, the utility model provides a fermentation tank stirring device, including a fermentation tank 1, a driving component and a foam elimination component are arranged on the top surface of the fermentation tank 1, the driving component is transmission-connected with the foam elimination component, a lifting stirring mechanism is arranged inside the fermentation tank 1, and the lifting stirring mechanism passes through the top surface of the fermentation tank 1 and is transmission-connected with the driving component;

[0023] The lifting and stirring mechanism comprises a lifting component arranged in the fermentation tank 1, the lifting component passes through the top surface of the fermentation tank 1 and is transmission-connected to the driving component, and the lifting component is transmission-connected to the stirring component.

[0024] When the utility model is in use, a foam elimination component is provided to add defoaming agent into the fermentation tank 1, and at the same time, the foam elimination component is driven to rotate by the driving component, so that the defoaming agent is sprinkled circumferentially in the fermentation tank 1, thereby increasing the spraying area and achieving the effect of suppressing the foam; the lifting component is used to drive the stirring component to move up and down, thereby increasing the stirring range and improving the working efficiency.

[0025] A further optimized solution is that the driving assembly includes a first motor 2 fixedly connected to the top surface of the fermentation tank 1, and the top surface of the fermentation tank 1 is rotatably connected to two symmetrically arranged pulleys 13, and a conveyor belt 14 is sleeved between the two pulleys 13, one of the pulleys 13 is coaxially fixed to the output shaft of the first motor 2, the pulley 13 is fixedly connected to the lifting assembly, and the other pulley 13 is transmission-connected to the foam elimination assembly.

[0026] A further optimized solution is provided, wherein the lifting assembly includes a lead screw 3 rotatably connected to the inside of the fermentation tank 1, the lead screw 3 is vertically arranged, one end of the lead screw 3 passes through the top surface of the fermentation tank 1 and is coaxially fixed to the output shaft of the first motor 2, the other end of the lead screw 3 is rotatably connected to the top surface of the support plate 5, the support plate 5 is fixedly connected to the inner wall of the fermentation tank 1, the lead screw 3 is threadedly connected to a nut 4, the inner wall of the fermentation tank 1 is fixedly connected to a vertically arranged sliding rod 10, the outer wall of the sliding rod 10 is slidably connected to a sliding block, and the stirring assembly is arranged between the nut 4 and the sliding block.

[0027] The support plate 5 replenishes air to support the lead screw 3 and also limits the height of the nut 4 when it descends. When the nut 4 contacts the support plate 5 , it ensures that the stirring assembly does not contact the inner bottom wall of the fermentation tank 1 .

[0028] A further optimized solution is provided, wherein the stirring assembly includes a stirring rod 6 rotatably connected between the nut 4 and the slider, the stirring rod 6 being horizontally arranged, one end of the stirring rod 6 being inserted into the nut 4 and being coaxially fixedly connected with the output shaft of the second motor 9, the second motor 9 being fixedly connected in the nut 4, a plurality of stirring blades 7 being fixedly connected to the outer wall of the stirring rod 6, the plurality of stirring blades 7 being respectively located on two opposite sides of the stirring rod 6 and being symmetrically arranged, a plurality of through holes 8 being opened on the side walls of the stirring blades 7, and the plurality of through holes 8 being arranged in an array.

[0029] By opening the through hole 8 on the side wall of the stirring blade 7 , the microorganisms can pass through the through hole 8 , thereby preventing the stirring blade 7 from causing damage to the microorganisms.

[0030] A further optimized solution is provided, wherein the foam eliminating component comprises a material box 11 fixedly connected to the top surface of the fermentation tank 1, the liquid outlet of the material box 11 is connected to the liquid inlet of the water pump 12, the liquid outlet of the water pump 12 is connected to a vertically arranged connecting pipe 15, the liquid outlet of the water pump 12 is rotatably connected to the connecting pipe 15, the connecting pipe 15 is coaxially fixed to the pulley 13, the connecting pipe 15 is rotatably connected to the top wall of the fermentation tank 1, the bottom end of the connecting pipe 15 passes through the top wall of the fermentation tank 1 and is fixedly connected to a horizontally arranged nozzle 16, the connecting pipe 15 is connected to the nozzle 16, the outer side wall of the nozzle 16 is connected to a plurality of nozzles 17, and the plurality of nozzles 17 are arranged at equal intervals along the length direction of the nozzle 16.

[0031] According to a further optimized solution, the inner wall of the fermentation tank 1 is fixedly connected to a limit plate 19 , and the limit plate 19 is rotatably connected to the lead screw 3 .

[0032] The limiting plate 19 is provided to limit the rising height of the nut 4 , so as to ensure that when the nut 4 contacts the limiting plate 19 , the stirring blade 7 does not interfere with the nozzle 17 and the nozzle 16 .

[0033] According to a further optimized solution, a valve 18 is provided at the discharge port of the fermentation tank 1 .

[0034] The working process of the utility model is as follows:

[0035] The first motor 2 drives the lead screw 3 to rotate, thereby driving the stirring rod 6 and the stirring blade 7 to move up and down. The second motor 9 in the nut 4 drives the stirring rod 6 to rotate, driving the stirring blade 7 to rotate, and stirring the fermented material. The stirring range is increased by the up and down movement of the stirring rod 6 and the stirring blade 7. A through hole 8 is provided on the side wall of the stirring blade 7, so that microorganisms can pass through the through hole 8, thereby preventing the stirring blade 7 from causing damage to the microorganisms.

[0036] The first motor 2 drives the pulley 13 and the conveyor belt 14 to rotate at the same time, so that the connecting pipe 15 and the nozzle 16 rotate along with the pulley 13, the material box 11 stores the defoaming agent and is connected to the connecting pipe 15, and the nozzle 17 sprinkles the defoaming agent circumferentially in the fermentation tank 1, thereby increasing the spraying area and achieving the effect of suppressing the foam.

[0037] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A fermentation tank stirring device, characterized in that: The fermentation tank (1) comprises a fermentation tank (1), wherein a driving component and a foam elimination component are arranged on the top surface of the fermentation tank (1), wherein the driving component is in transmission connection with the foam elimination component, and a lifting and stirring mechanism is arranged inside the fermentation tank (1), wherein the lifting and stirring mechanism passes through the top surface of the fermentation tank (1) and is in transmission connection with the driving component; The lifting and stirring mechanism comprises a lifting component arranged in the fermentation tank (1), the lifting component passes through the top surface of the fermentation tank (1) and is transmission-connected to the driving component, and the lifting component is transmission-connected to the stirring component.

2. A fermentation tank stirring device according to claim 1, characterized in that: The driving assembly comprises a first motor (2) fixedly connected to the top surface of the fermentation tank (1); the top surface of the fermentation tank (1) is rotatably connected to two symmetrically arranged pulleys (13); a conveyor belt (14) is sleeved between the two pulleys (13); one of the pulleys (13) is coaxially fixedly connected to the output shaft of the first motor (2); the pulley (13) is fixedly connected to the lifting assembly; and the other pulley (13) is drivingly connected to the foam elimination assembly.

3. A fermentation tank stirring device according to claim 2, characterized in that: The lifting assembly comprises a screw (3) rotatably connected to the inside of the fermentation tank (1), the screw (3) being arranged vertically, one end of the screw (3) passing through the top surface of the fermentation tank (1) and being coaxially fixedly connected to the output shaft of the first motor (2), the other end of the screw (3) being rotatably connected to the top surface of a support plate (5), the support plate (5) being fixedly connected to the inner wall of the fermentation tank (1), the screw (3) being threadedly connected to a nut (4), the inner wall of the fermentation tank (1) being fixedly connected to a vertically arranged sliding rod (10), the outer wall of the sliding rod (10) being slidably connected to a sliding block, and the stirring assembly being arranged between the nut (4) and the sliding block.

4. A fermentation tank stirring device according to claim 3, characterized in that: The stirring assembly comprises a stirring rod (6) rotatably connected between the nut (4) and the slider, the stirring rod (6) being arranged horizontally, one end of the stirring rod (6) being inserted into the nut (4) and being coaxially fixedly connected with the output shaft of the second motor (9), the second motor (9) being fixedly connected in the nut (4), a plurality of stirring blades (7) being fixedly connected to the outer wall of the stirring rod (6), the plurality of stirring blades (7) being respectively located on opposite sides of the stirring rod (6) and symmetrically arranged, a plurality of through holes (8) being opened on the side wall of the stirring blade (7), the plurality of through holes (8) being arranged in an array.

5. A fermentation tank stirring device according to claim 2, characterized in that: The foam elimination component comprises a material box (11) fixedly connected to the top surface of the fermentation tank (1), the liquid outlet of the material box (11) is connected to the liquid inlet of the water pump (12), the liquid outlet of the water pump (12) is connected to a vertically arranged connecting pipe (15), the liquid outlet of the water pump (12) is rotatably connected to the connecting pipe (15), the connecting pipe (15) is coaxially fixedly connected to the pulley (13), the connecting pipe (15) is rotatably connected to the top wall of the fermentation tank (1), the bottom end of the connecting pipe (15) passes through the top wall of the fermentation tank (1) and is fixedly connected to a horizontally arranged nozzle (16), the connecting pipe (15) is connected to the nozzle (16), the outer wall of the nozzle (16) is connected to a plurality of nozzles (17), and the plurality of nozzles (17) are arranged at equal intervals along the length direction of the nozzle (16).

6. A fermentation tank stirring device according to claim 3, characterized in that: The inner side wall of the fermentation tank (1) is fixedly connected to a limiting plate (19), and the limiting plate (19) is rotatably connected to the lead screw (3).

7. A fermentation tank stirring device according to claim 1, characterized in that: The discharge port of the fermentation tank (1) is provided with a valve (18).

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