Sterilization device for yoghourt production

Abstract

The utility model discloses a sterilization device for yoghurt production, which comprises a sterilization fermentation tank and a connection protection ring, a rotary connection cover is rotatably mounted in the connection protection ring, a stirring main shaft is fixedly mounted at the bottom end of the rotary connection cover, and a plurality of outwards-turned stirring blades are fixedly connected to the bottom end of the outer wall of the stirring main shaft at equal intervals. And a plurality of heat conduction rotating pipe columns are rotationally installed on the surface of the bottom end of the rotating connecting cover at equal intervals, a plurality of sets of mixing and stirring arms are fixedly connected to the outer walls of the heat conduction rotating pipe columns at equal intervals, and electric heating rods are rotationally installed in the heat conduction rotating pipe columns. The stirring main shaft drives the outwards-turned stirring blades to extrude yoghourt to the inner wall of the mould fermentation tank, and then the yoghourt is guided to the stirring main shaft again in cooperation with the heat conduction rotating tubular column and the mixing stirring arm, so that the yoghourt can be heated more uniformly in the sterilization process, the sterilization effect of the yoghourt is ensured, meanwhile, the sterilization time is shortened, and the sterilization efficiency is improved. And beneficial microbial communities for yoghourt fermentation are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of yogurt production, in particular to a sterilization device for yogurt production. Background Art

[0002] In the prior art, the principle of sterilization is that within a certain temperature range, the lower the temperature, the slower the bacterial reproduction, and the higher the temperature, the faster the reproduction. However, when the temperature reaches a certain height, the bacteria will die. The existing yogurt sterilization generally adopts the pasteurization method. Pasteurization actually utilizes the characteristic that pathogens are not very heat-resistant, and uses appropriate temperature and insulation time to kill them all. However, after pasteurization, a small number of harmless or beneficial, more heat-resistant bacteria or bacterial spores are still retained.

[0003] After searching, the Chinese patent application number 202222568796.3 discloses a sterilization and fermentation device for yogurt production, including a sterilization pot and a sealing cover detachably arranged on the sterilization pot, the sealing cover is rotatably connected to a fixed rod, the bottom end of the fixed rod is fixedly connected to a disc, the disc is rotatably provided with a plurality of rotating rods, the rotating rod is lifted and lowered with a rotating rod, a telescopic mechanism for lifting and lowering the rotating rod is arranged between the rotating rods, a plurality of stirring blades for stirring are fixedly connected to the rotating rod, and a rotating component for driving the rotating rod to rotate is arranged on the sealing cover.

[0004] The above patent has the following deficiencies: the device drives the rotating rod to move up and down through the telescopic mechanism, the rotating rod drives the stirring blades to move up and down, the rotating assembly drives the rotating rod to rotate, the rotating rod drives the stirring blades on the rotating rod to rotate, and the stirring blades stir the yogurt in the sterilizer; however, in actual use, the stirring blades and other structures do not stir the yogurt evenly enough, the fermenting yogurt itself is a viscous fluid, and the uneven stirring will increase the sterilization time and have an adverse effect on the fermentation bacteria such as lactic acid bacteria. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a sterilizing device for yogurt production.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sterilization device for yogurt production comprises: a sterilization fermentation tank and a connecting protection ring, a rotating connecting cover is rotatably installed inside the connecting protection ring, a stirring main shaft is fixedly installed on the bottom end of the rotating connecting cover, a plurality of outward-turned stirring blades are equidistantly fixedly connected to the bottom end of the outer wall of the stirring main shaft, and a plurality of heat-conducting rotating tube columns are equidistantly rotatably installed on the bottom end surface of the rotating connecting cover, a plurality of groups of mixing stirring arms are equidistantly fixedly connected to the outer wall of the heat-conducting rotating tube column, and an electric heating rod is rotatably installed inside the heat-conducting rotating tube column, and a conductive connecting ring is arranged on the top end of the electric heating rod.

[0008] As a further solution of the utility model: a driven gear is fixedly installed on the top outer wall of the heat-conducting rotating tube column, and a plurality of the driven gears are meshedly connected with a driving outer gear ring.

[0009] As a further solution of the utility model: a positioning mounting ring is fixedly connected to the top end of the rotating connecting cover, and a driven worm gear is fixedly mounted on the outer wall of the positioning mounting ring.

[0010] As a further solution of the utility model: the outer wall of the driven worm wheel is meshingly connected with a driving worm, and one end of the driving worm is drivingly connected with a driving motor.

[0011] As a further solution of the utility model: a plurality of fixed mounting arms are equidistantly fixedly connected to the top of the connecting protection ring, and one end of the plurality of fixed mounting arms is fixedly mounted on the top of the driving outer gear ring.

[0012] As a further solution of the utility model: a connecting mounting frame arm is fixedly installed on the top of the powered heating rod, and the connecting mounting frame arm is fixedly installed on the top of the rotating connecting cover.

[0013] As a further solution of the utility model: a plurality of fixed installation arms are fixedly installed at equal intervals on the top end of the conductive connection ring, and the plurality of fixed installation arms are fixedly connected to a plurality of fixed installation frame arms.

[0014] As a further solution of the utility model: the outer wall of the sterilizing fermentation tank is sleeved with a temperature-insulating protective sleeve, and an electric heating spiral tube is fixedly installed between the temperature-insulating protective sleeve and the sterilizing fermentation tank.

[0015] Compared with the prior art, the utility model provides a sterilization device for yogurt production, which has the following beneficial effects:

[0016] The sterilization device for yogurt production drives the outward-turned stirring blades through the stirring main shaft to squeeze the yogurt toward the inner wall of the mold fermentation tank, and then cooperates with the heat-conducting rotating tube column and the mixing stirring arm to guide the yogurt to the stirring main shaft again, so that the yogurt can be heated more evenly during the sterilization process, ensuring the sterilization effect of the yogurt, while reducing the sterilization time and protecting the beneficial bacteria in the yogurt fermentation.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall assembly of the utility model;

[0019] Figure 2 It is a partial cross-sectional structural schematic diagram of the overall assembly of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0021] In the figure: 1. Sterilization fermentation tank; 2. Thermal insulation protection sleeve; 3. Electric heating spiral tube; 4. Connecting protection ring; 5. Driving motor; 6. Driving worm; 7. Rotating connecting cover; 8. Positioning mounting ring; 9. Driven worm gear; 10. Fixed mounting arm; 11. Driving outer gear ring; 12. Stirring main shaft; 13. Outward-turned stirring blade; 14. Driven gear; 15. Heat-conducting rotating column; 16. Mixing stirring arm; 17. Power-on heating rod; 18. Connecting mounting arm; 19. Conductive connecting ring; 20. Fixed mounting arm. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] A sterilizing device for yogurt production, such as Figures 1 to 3 As shown, it includes: a sterilized fermentation tank 1 and a connecting protective ring 4, the connecting protective ring 4 is fixedly installed on the top of the sterilized fermentation tank 1, and the outer wall of the sterilized fermentation tank 1 is fixedly sleeved with a thermal insulation protective sleeve 2, which is used to maintain the temperature inside the sterilized fermentation tank 1 and provide a suitable environment for the fermentation of yogurt.

[0024] An electric heating spiral tube 3 is fixedly installed on the inner wall of the thermal insulation protection sleeve 2. The electric heating spiral tube 3 is sleeved on the outer wall of the sterilization fermentation tank 1, and the bottom end of the electric heating spiral tube 3 passes through the thermal insulation protection sleeve 2 and extends outward, and the extended end is connected to a power supply; after being energized, the electric heating spiral tube 3 heats the sterilization fermentation tank 1 and inactivates most of the miscellaneous bacteria inside the sterilization fermentation tank 1.

[0025] A rotatable connecting cover 7 is rotatably installed inside the connecting protection ring 4 , and the connection between the connecting protection ring 4 and the rotatable connecting cover 7 is sealed to reduce the impact of the external environment on the interior of the sterilizing fermentation tank 1 .

[0026] A stirring main shaft 12 is fixedly mounted on the bottom end of the rotating connecting cover 7, and a plurality of outward-turned stirring blades 13 are fixedly connected to the bottom end of the outer wall of the stirring main shaft 12 at equal intervals. Figure 3 As shown, the outward-turned stirring blades 13 squeeze the yogurt toward the inner wall of the sterilization fermentation tank 1, so that the yogurt fully absorbs the heat conducted by the sterilization fermentation tank 1, ensuring that the yogurt can be evenly heated and relatively fully sterilized.

[0027] The top of the rotating connecting cover 7 is fixedly connected with a positioning mounting ring 8, the outer wall of the positioning mounting ring 8 is fixedly mounted with a driven worm gear 9, one side outer wall of the driven worm gear 9 is meshingly connected with a driving worm 6, both ends of the driving worm 6 are rotatably connected with support arms, and the two support arms are fixedly mounted on the top of the connecting protection ring 4.

[0028] A reducer is installed at one end of the driving worm 6, and the reducer is connected to the driving motor 5. A motor base is fixedly installed at the bottom end of the driving motor 5, and a support frame is fixedly installed at the bottom end of the motor base. The support frame is fixedly installed on the outer wall of the connecting protective ring 4.

[0029] The bottom surface of the rotating connecting cover 7 is equidistantly rotatably mounted with a plurality of heat-conducting rotating tube columns 15, the outer wall of the heat-conducting rotating tube column 15 is equidistantly fixedly connected with a plurality of mixing stirring arms 16, and the heat-conducting rotating tube column 15 is arranged above the outward-turned stirring blade 13, so as to guide the yogurt that contacts the inner wall of the sterilizing fermentation tank 1 to the stirring main shaft 12, and then be squeezed toward the inner wall of the sterilizing fermentation tank 1 by the outward-turned stirring blade 13 again.

[0030] The top end of the heat-conducting rotating column 15 passes through the rotating connecting cover 7 and extends upward, and a driven gear 14 is fixedly installed on the extended end. A driving outer gear ring 11 is arranged between the plurality of driven gears 14, and a mounting cartridge is fixedly connected to the top end of the driving outer gear ring 11.

[0031] A fixed mounting frame arm 10 is fixedly mounted inside each of the multiple mounting cartridges. The other ends of each of the multiple fixed mounting frame arms 10 are fixedly connected to the top of the connecting protection ring 4 , and each of the multiple driven gears 14 is meshed with the driving outer gear ring 11 .

[0032] An electric heating rod 17 is rotatably installed inside the heat-conducting rotating column 15, and the top end of the electric heating rod 17 extends out of the heat-conducting rotating column 15, and a connecting mounting frame arm 18 is fixedly installed on the top outer wall of the electric heating rod 17, and the connecting mounting frame arm 18 is fixedly installed on the top of the rotating connecting cover 7.

[0033] A positive conductive column and a negative conductive column are welded to the top of the energized heating rod 17, and a conductive connecting ring 19 is slidably installed on the top of the positive conductive column and the negative conductive column. A plurality of fixed clamps are equidistantly fixedly connected to the top of the conductive connecting ring 19, and a fixed mounting arm 20 is fixedly installed inside the plurality of fixed clamps. The plurality of fixed mounting arms 20 are respectively welded to the bottom ends of a plurality of fixed mounting frame arms 10.

[0034] An open conductive copper ring is arranged inside the conductive connection ring 19 , and one end of the two open conductive copper rings passes through the conductive connection ring 19 and is connected to an external circuit to supply power to the energized heating rod 17 .

[0035] Working principle:

[0036] Please refer to Figures 1 to 3 , assemble the device as shown in the figure;

[0037] When the device is in use, the yogurt fermentation raw materials are first introduced into the sterilized fermentation tank 1, and then the connecting protection ring 4 and the rotating connecting cover 7 and other structures are installed; then the driving motor 5 is started, and the conductive connecting ring 19 and the electric heating spiral tube 3 are connected to the circuit to supply power to the two; the driving motor 5 drives the rotating connecting cover 7 to rotate clockwise through the engagement of the driving worm 6 and the driven worm gear 9, and the rotating connecting cover 7 drives the outward-turned stirring blades 13 to move through the stirring main shaft 12, so as to squeeze the yogurt fermentation raw materials toward the inner wall of the sterilized fermentation tank 1; during the rotation of the rotating connecting cover 7, the multiple heat-conducting rotating tube columns 15 are driven to rotate around the stirring main shaft 12, driving The outer gear ring 11 remains in a fixed state, and the driven gear 14 rotates with the heat-conducting rotating column 15, and at the same time engages with the driving outer gear ring 11, causing the heat-conducting rotating column 15 to rotate itself, and then the yogurt that contacts the inner wall of the sterilizing fermentation tank 1 is guided to the stirring main shaft 12 through the mixing stirring arm 16, and then is squeezed toward the inner wall of the sterilizing fermentation tank 1 by the outward-turned stirring blades 13 again; in the above process, the electric heating spiral tube 3 continuously heats the sterilizing fermentation tank 1 to inactivate the miscellaneous bacteria in the yogurt, and at the same time, the energized heating rod 17 heats the heat-conducting rotating column 15, and performs secondary heating treatment on the yogurt, thereby improving the effect of the miscellaneous bacteria inactivation treatment.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sterilizing device for yogurt production, It is characterized in that include: A sterile fermentation tank (1) and a connecting protection ring (4), wherein a rotatable connecting cover (7) is rotatably mounted inside the connecting protection ring (4), a stirring main shaft (12) is fixedly mounted at the bottom end of the rotatable connecting cover (7), a plurality of outward-turned stirring blades (13) are equidistantly fixedly mounted at the bottom end of the outer wall of the stirring main shaft (12), and a plurality of heat-conducting rotating tube columns (15) are rotatably mounted on the bottom end surface of the rotatable connecting cover (7), a plurality of groups of mixing stirring arms (16) are equidistantly fixedly mounted on the outer wall of the heat-conducting rotating tube column (15), and an electric heating rod (17) is rotatably mounted inside the heat-conducting rotating tube column (15), and a conductive connecting ring (19) is arranged at the top end of the electric heating rod (17).

2. A sterilizing device for yogurt production according to claim 1, Features: A driven gear (14) is fixedly mounted on the top outer wall of the heat-conducting rotating tube column (15), and a plurality of driven gears (14) are meshedly connected with a driving outer gear ring (11).

3. A sterilizing device for yogurt production according to claim 1, Features: A positioning mounting ring (8) is fixedly connected to the top end of the rotating connection cover (7), and a driven worm gear (9) is fixedly mounted on the outer wall of the positioning mounting ring (8).

4. A sterilizing device for yogurt production according to claim 3, Features: The outer wall of the driven worm wheel (9) is meshingly connected with a driving worm (6), and one end of the driving worm (6) is drivingly connected with a driving motor (5).

5. A sterilizing device for yogurt production according to claim 1, Features: The top end of the connecting protection ring (4) is fixedly connected to a plurality of fixed mounting frame arms (10) at equal intervals, and one end of each of the plurality of fixed mounting frame arms (10) is fixedly mounted on the top end of the driving outer gear ring (11).

6. A sterilizing device for yogurt production according to claim 1, Features: A connecting and mounting frame arm (18) is fixedly mounted on the top of the energized heating rod (17), and the connecting and mounting frame arm (18) is fixedly mounted on the top of the rotating connecting cover (7).

7. A sterilizing device for yogurt production according to claim 5, Features: A plurality of fixed installation arms (20) are fixedly installed at equal intervals on the top end of the conductive connection ring (19), and the plurality of fixed installation arms (20) are fixedly connected to a plurality of fixed installation frame arms (10).

8. A sterilizing device for yogurt production according to claim 1, Features: The outer wall of the sterilizing fermentation tank (1) is sleeved with a thermal insulation protection sleeve (2), and an electric heating spiral tube (3) is fixedly installed between the thermal insulation protection sleeve (2) and the sterilizing fermentation tank (1).

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