A cooling tank for lactic acid bacteria fermentation liquid

Abstract

The invention discloses a cooling tank for lactic acid bacteria fermentation liquid, and relates to the technical field of lactic acid bacteria production equipment. The cooling tank comprises a tank body for storing and fermenting lactic acid bacteria and raw material liquid. A liquid extraction pipe is fixedly inserted at the bottom of the tank body. One end of the liquid extraction pipe away from the tank body is connected with a circulating water pump. The circulating water pump is fixedly connected to the outer wall of the tank body through a fixing plate. The output end of the circulating water pump is connected with a liquid outlet pipe. A cooling hood connected with the interior of the tank body is fixedly provided at the top center of the tank body. One end of the liquid outlet pipe away from the circulating water pump is fixedly connected with a liquid guide pipe through a pipe flange. The outer wall of the liquid guide pipe is fixedly connected to the upper side of the inner wall of the cooling hood. The invention transmits the fermentation liquid in the tank body to the cooling hood through the thrust of the circulating water pump, and disperses the fermentation liquid into droplets through an atomizing nozzle and quickly splashes them on the surface of the disc-shaped hood, so that the contact area of ​​the fermentation liquid is increased, and the thickness of the fermentation liquid per unit area is reduced, so that the internal temperature of the fermentation liquid is convenient to be quickly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of lactic acid bacteria production equipment, in particular to a cooling tank for lactic acid bacteria fermentation liquid. Background Art

[0002] Lactic acid bacteria beverage is a common and popular beverage variety. The lactic acid bacteria contained in lactic acid bacteria beverage can not only improve the nutritional value of food and improve the flavor of food, but also has special physiological activity and nutritional functions.

[0003] At present, in the process of preparing lactic acid bacteria fermentation liquid, it is necessary to send the lactic acid bacteria and raw material liquid in the inoculum tank into the culture tank for storage and fermentation for several days. After several days of fermentation, the material in the fermentation liquid will be precipitated and layered, so a stirring mechanism will be used to make the fermentation liquid uniform during the fermentation process to avoid precipitation, and then cool it in a cooling tank. For example, the publication number CN205188301U discloses an automatic fermentation tank with a feeding device for active lactic acid bacteria. The cooling method is to use circulating water to cool the tank body, and the heat conduction between the tank wall and the fermentation liquid is used to achieve cooling. However, due to the large volume of the fermentation liquid in the tank body, only the fermentation liquid in contact with the tube wall can be cooled during stirring. The fermentation liquid in the middle needs to be continuously stirred to contact with the tube wall, and the fermentation liquid cannot be evenly cooled, and the cooling efficiency is low. For this reason, we propose a cooling tank for lactic acid bacteria fermentation liquid. Summary of the invention

[0004] The object of the present invention is to provide a cooling tank for lactic acid bacteria fermentation liquid which can improve the cooling efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a cooling tank for lactic acid bacteria fermentation liquid, comprising a tank body for storing and fermenting lactic acid bacteria and raw material liquid, a liquid extraction pipe fixedly inserted at the bottom of the tank body, the end of the liquid extraction pipe away from the tank body is connected to a circulating water pump, the circulating water pump is fixedly connected to the outer wall of the tank body through a fixing plate, the output end of the circulating water pump is connected to a liquid outlet pipe, a cooling hood connected to the interior of the tank body is fixed at the top center position of the tank body, the end of the liquid outlet pipe away from the circulating water pump is fixedly connected to a liquid guide pipe through a pipe flange, the outer wall of the liquid guide pipe is fixedly connected to the upper side of the inner wall of the cooling hood, the bottom end of the liquid guide pipe is fixed with an atomizing nozzle, and a distributed cooling component is provided inside the cooling hood.

[0006] Preferably, the distributed cooling assembly includes a disc-shaped cover, a movable column is fixed at the bottom of the disc-shaped cover, a support tube is slidably sleeved on the outer side of the movable column, a first spring is fixed on the top of the support tube, the first spring is arranged around the outer side of the movable column and its top end is fixed to the bottom of the disc-shaped cover, the top center axis of the disc-shaped cover is coaxially arranged with the center axis of the atomizing nozzle, a plurality of connecting plates are evenly fixed on the top of the support tube, one end of the connecting plate away from the support tube is fixedly connected to the inner wall of the disc-shaped cover, and the outer edge of the disc-shaped cover is evenly opened There is an exhaust port, an air outlet is provided on the outside of the support cylinder, an air guide is provided inside the movable column, a plurality of through grooves are evenly opened on the lower middle side of the cooling hood, a fixed groove is opened on the groove wall of each through groove, and a scraper is provided in each fixed groove. After the fermentation liquid in the tank body is transferred to the cooling hood, it will pass through the atomizing nozzle. Due to the thrust of the circulating water pump, the atomizing nozzle will disperse the fermentation liquid into droplets and quickly splash them on the surface of the disc-shaped cover, so that the contact area of ​​the fermentation liquid is increased, and the thickness of the fermentation liquid per unit area is reduced, which is convenient for the rapid reduction of the internal temperature of the fermentation liquid.

[0007] Preferably, the air outlet component includes an air cooler, the input end of the air cooler is fixedly connected to an air inlet pipe, the output end of the air cooler is fixedly connected to an air outlet pipe, the air outlet pipe is a rubber hose, and one end of the air outlet pipe away from the air cooler is fixedly plugged into the outer wall of the movable column, so that cold air can be transported into the disc-shaped cover through the air outlet component, thereby reducing the temperature of the disc-shaped cover and allowing the fermentation liquid droplets splashed on the surface of the disc-shaped cover to be quickly cooled.

[0008] Preferably, the air guide member includes a driving motor and a fan, the driving motor is fixed in a cavity opened inside the movable column, and the fan is fixed on the output shaft of the driving motor. The second transmission member facilitates the transmission of the power transmitted by the intermittent injection mechanism to the cleaning mechanism, and the air guide member facilitates the rapid flow of cold air.

[0009] Preferably, the scraper includes a sedimentation plate, which slides in the fixed groove, an electromagnet is fixed to the inner wall of the fixed groove, a groove is provided at the bottom of the sedimentation plate, a second spring is fixed to one side of the groove, one end of the second spring is fixedly connected to the bottom of the fixed groove through a fixed block, and the end of the sedimentation plate close to the electromagnet is magnetic, and the magnetism is opposite to the magnetism of the electromagnet after power is turned on. When the fermentation liquid falls through the surface of the cooling hood, it will flow into the interior of the tank along the inner wall of the cooling hood and will flow through the upper side of the sedimentation plate, so that impurities in the fermentation liquid are adsorbed on the sedimentation plate, thereby further achieving the filtering effect of the fermentation liquid.

[0010] Preferably, a contact switch is fixed to the inner bottom of the support tube, and the contact switch is electrically connected to the electromagnet, so that the electromagnet can be energized by the contact switch.

[0011] Preferably, an arc-shaped slope is provided at one end of the sedimentation plate away from the electromagnet, and the arc-shaped slope facilitates the automatic falling of impurities.

[0012] Preferably, the air inlet duct extends from one end of the air cooler to just above the interior of the tank body, and is fixed with an air collecting hood, which facilitates rapid air collection.

[0013] Preferably, two concave frames are fixed on the top of the tank body, and the mutually adjacent sides of the two concave frames are tightly spliced, so that impurities can be easily received through the concave frames.

[0014] Preferably, the cooling cover is further provided with a plurality of circular grooves, and a dustproof net is fixed in each of the circular grooves.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention optimizes the existing method of cooling the fermentation liquid in the tank body by circulating water. The fermentation liquid in the tank body is transferred to the cooling cover by the thrust of the circulating water pump, and the fermentation liquid is dispersed into droplets through the atomizing nozzle and quickly sprinkled on the surface of the disc-shaped cover, so that the contact area of ​​the fermentation liquid is increased and the thickness of the fermentation liquid per unit area is reduced, which facilitates the rapid reduction of the internal temperature of the fermentation liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the distributed cooling assembly of the present invention;

[0019] Figure 3 It is a schematic diagram of the structure of the air outlet member and the air guide member of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the scraper of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure of the precipitation plate of the present invention;

[0022] Figure 6 for Figure 3 A magnified image of the middle A area;

[0023] Figure 7 for Figure 4 Enlarged view of area B.

[0024] In the figure: 1-tank body; 2-liquid extraction pipe; 3-circulating water pump; 4-liquid outlet pipe; 5-cooling cover; 6-liquid guide pipe; 7-atomizing nozzle; 8-distributed cooling assembly; 9-dish cover; 10-movable column; 11-support cylinder; 12-first spring; 13-connecting plate; 14-exhaust port; 15-air outlet member; 16-air guide member; 17-through groove; 18-fixed groove; 19-scraper member; 20-air cooler; 21-air inlet pipe; 22-air outlet pipe; 23-driving motor; 24-fan; 25-sedimentation plate; 26-electromagnet; 27-groove; 28-second spring; 29-contact switch; 30-wind collecting cover; 31-concave frame; 32-circular groove; 33-dustproof net. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example 1: Figure 1 and Figure 2 As shown, a cooling tank for lactic acid bacteria fermentation liquid in the figure includes a tank body 1 for storing and fermenting lactic acid bacteria and raw material liquid, a liquid extraction pipe 2 is fixedly inserted at the bottom of the tank body 1, and a circulating water pump 3 is connected to the end of the liquid extraction pipe 2 away from the tank body 1, and the circulating water pump 3 is fixedly connected to the outer wall of the tank body 1 through a fixing plate, and a liquid outlet pipe 4 is connected to the output end of the circulating water pump 3. A cooling cover 5 connected to the interior of the tank body 1 is fixed at the top center position, and a liquid guide pipe 6 is fixedly connected to the end of the liquid outlet pipe 4 away from the circulating water pump 3 through a pipe flange, and the outer wall of the liquid guide pipe 6 is fixedly connected to the upper side of the inner wall of the cooling cover 5, and an atomizing nozzle 7 is fixed to the bottom end of the liquid guide pipe 6, and a decentralized cooling component 8 is arranged inside the cooling cover 5, and the fermentation liquid in the tank body 1 is transmitted to the cooling cover 5 by the thrust of the circulating water pump 3, and the fermentation liquid is dispersed into droplets through the atomizing nozzle 7 and quickly sprinkled on the decentralized cooling component 8, and the decentralized cooling effect of the decentralized cooling component 8 is utilized to realize the rapid cooling of the fermentation liquid.

[0027] Among them, Figure 2 and Figure 3As shown, in order to facilitate the rapid reduction of the internal temperature of the fermentation liquid, the decentralized cooling assembly 8 includes a disc-shaped cover 9, a movable column 10 is fixed to the bottom of the disc-shaped cover 9, a support tube 11 is slidably sleeved on the outer side of the movable column 10, a first spring 12 is fixed to the top of the support tube 11, the first spring 12 is arranged around the outer side of the movable column 10 and its top end is fixed to the bottom of the disc-shaped cover 9, the top central axis of the disc-shaped cover 9 is coaxially arranged with the central axis of the atomizing nozzle 7, a plurality of connecting plates 13 are evenly fixed to the top of the support tube 11, and one end of the connecting plate 13 away from the support tube 11 is connected to the disc-shaped cover 9. The inner wall of the cover 9 is fixedly connected, exhaust ports 14 are evenly provided on the outer edge of the disc-shaped cover 9, an air outlet 15 is provided on the outer side of the support tube 11, an air guide 16 is provided inside the movable column 10, and a plurality of through grooves 17 are evenly provided on the lower middle side of the cooling cover 5, a fixed groove 18 is provided on the groove wall of each through groove 17, and a scraper 19 is provided in each fixed groove 18. The fermentation liquid is dispersed into droplets through the atomizing nozzle 7 and quickly sprinkled on the surface of the disc-shaped cover 9, so that the contact area of ​​the fermentation liquid is increased, and the thickness of the fermentation liquid per unit area is reduced, so as to achieve a uniform cooling effect.

[0028] At the same time, if Figure 3 As shown, in order to further improve the cooling efficiency, the air outlet member 15 includes an air cooler 20, the input end of the air cooler 20 is fixedly connected to an air inlet pipe 21, and the output end of the air cooler 20 is fixedly connected to an air outlet pipe 22, the air outlet pipe 22 is a rubber hose, and one end of the air outlet pipe 22 away from the air cooler 20 is fixedly inserted into the outer wall of the movable column 10, so that cold air is easily transported into the disc-shaped cover 9 through the air outlet member 15, thereby reducing the temperature of the disc-shaped cover 9.

[0029] In addition, if Figure 3 and Figure 6 As shown, in order to facilitate the rapid flow of cold air, the air guide 16 includes a drive motor 23 and a fan 24. The drive motor 23 is fixed in a cavity opened inside the movable column 10, and the fan 24 is fixed on the output shaft of the drive motor 23. The drive motor 23 drives the fan 24 to rotate, and the fan 24 blows the cold air input into the cavity of the movable column 10, so that the cold air can quickly enter the disc-shaped cover 9.

[0030] At the same time, if Figure 2 and Figure 3 As shown, in order to facilitate rapid air collection, the end of the air inlet pipe 21 away from the air cooler 20 extends to just above the interior of the tank body 1, and is fixed with an air collecting hood 30, through which the hot air flow above the interior of the tank body 1 can be sucked into the air cooler 20.

[0031] In addition, if Figure 1As shown, a plurality of circular grooves 32 are provided on the cooling cover 5 , and a dustproof net 33 is fixed in each circular groove 32 . The circular grooves 32 facilitate air convection, and the dustproof net 33 can prevent dust from entering the inside of the disc-shaped cover 9 .

[0032] Working principle: By starting the circulating water pump 3, the circulating water pump 3 draws the coolant in the tank body 1 into the liquid outlet pipe 4 through the liquid extraction pipe 2, and then enters the liquid guide pipe 6 from the liquid outlet pipe 4, and finally sprays it out from the atomizing nozzle 7. The atomizing nozzle 7 disperses the fermentation liquid into droplets and quickly sprinkles them on the surface of the disc-shaped cover 9, so that the contact area of ​​the fermentation liquid is increased, and the thickness of the fermentation liquid per unit area is reduced, which is convenient for the internal temperature of the fermentation liquid to be quickly reduced. At the same time, the air cooler 20 is also started. The air cooler 20 consists of a fan and a condenser. The air flow passing through the air cooler 20 can achieve the effect of air cooling. The air cooler 20 will absorb the hot air above the tank body 1, and finally spray it into the cavity of the movable column 10 after cooling. The fan 24 is driven by the driving motor 23 to rotate. The fan 24 blows the cold air input into the cavity of the movable column 10, so that the cold air can quickly enter the disc-shaped cover 9, thereby facilitating the cold air transportation into the disc-shaped cover 9, thereby reducing the temperature of the disc-shaped cover 9, and allowing the fermentation liquid droplets splashed on the surface of the disc-shaped cover 9 to be quickly cooled.

[0033] Example 2: Figure 4 , Figure 5 and Figure 7 As shown, the scraper 19 in the figure includes a sedimentation plate 25, which slides in the fixed groove 18. An electromagnet 26 is fixed to the inner wall of the fixed groove 18. A groove 27 is provided at the bottom of the sedimentation plate 25, and a second spring 28 is fixed to one side of the groove 27. One end of the second spring 28 is fixedly connected to the bottom of the fixed groove 18 through a fixed block. The end of the sedimentation plate 25 close to the electromagnet 26 is magnetic, and the magnetism is opposite to the magnetism of the electromagnet 26 after power is turned on. When the fermentation liquid falls after passing through the surface of the cooling cover 5, it will flow into the interior of the tank body 1 along the inner wall of the cooling cover 5 and will flow through the upper side of the sedimentation plate 25, so that the impurities in the fermentation liquid are adsorbed on the sedimentation plate 25, thereby further achieving the filtering effect of the fermentation liquid.

[0034] Among them, Figure 3 As shown, in order to facilitate energizing the electromagnet 26 , a contact switch 29 is fixed to the inner bottom of the support tube 11 , and the contact switch 29 is electrically connected to the electromagnet 26 .

[0035] In addition, if Figure 5 As shown, in order to facilitate the automatic falling of impurities, an arc-shaped slope is provided at one end of the sedimentation plate 25 away from the electromagnet 26.

[0036] At the same time, if Figure 1As shown, in order to facilitate the reception of impurities, two concave frames 31 are fixed on the top of the tank body 1, and the two concave frames 31 are tightly spliced ​​at the sides close to each other.

[0037] In this embodiment, when the fermentation liquid is quickly splashed on the surface of the disc-shaped cover 9, the load-bearing capacity on the upper side of the disc-shaped cover 9 is increased, so that the disc-shaped cover 9 presses the first spring 12 downward, thereby moving the disc-shaped cover 9 downward, so that the bottom end of the movable column 10 contacts the contact switch 29 in the support tube 11, and the contact switch 29 immediately energizes the electromagnet 26. Since the end of the sedimentation plate 25 close to the electromagnet 26 is magnetic, and the magnetism is opposite to the magnetism of the electromagnet 26 after being energized, the electromagnet 26 pushes the sedimentation plate 25, so that the sedimentation plate 25 closes the through groove 17. When the fermentation liquid passes through the cooling cover 5, the After the surface of the fermentation liquid falls, it will flow into the tank body 1 along the inner wall of the cooling cover 5 and will flow through the upper side of the sedimentation plate 25, so that the impurities in the fermentation liquid are adsorbed on the sedimentation plate 25, further achieving the filtering effect of the fermentation liquid, until the load-bearing capacity on the upper side of the disc-shaped cover 9 returns to normal, the contact switch 29 is no longer energized, the electromagnet 26 loses its magnetism, and the sedimentation plate 25 automatically returns to its original position through the restoring force of the second spring 28. When the sedimentation plate 25 slides, the top surface and the through groove 17 move relative to each other, which will scrape off the impurities on the surface of the sedimentation plate 25, and the scraped impurities will fall into the concave frame 31.

[0038] In this solution, the driving motor 23 is preferably a Y80M1-2 model, the circulating water pump 3 is preferably a LQRY26-20-100 model, and the circuit operation is an existing conventional circuit. The circuits and controls involved in this solution are all existing technologies and will not be elaborated on here.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling tank for lactic acid bacteria fermentation liquid, comprising a tank body (1) for storing and fermenting lactic acid bacteria and raw material liquid, characterized in that: A liquid extraction pipe (2) is fixedly inserted at the bottom of the tank body (1); one end of the liquid extraction pipe (2) away from the tank body (1) is connected to a circulating water pump (3); the circulating water pump (3) is fixedly connected to the outer wall of the tank body (1) via a fixing plate; the output end of the circulating water pump (3) is connected to a liquid outlet pipe (4); a cooling hood (5) connected to the interior of the tank body (1) is fixedly provided at the top center of the tank body (1); one end of the liquid outlet pipe (4) away from the circulating water pump (3) is fixedly connected to a liquid guide pipe (6) via a pipe flange; the outer wall of the liquid guide pipe (6) is fixedly connected to the upper side of the inner wall of the cooling hood (5); an atomizing nozzle (7) is fixed to the bottom end of the liquid guide pipe (6); and a distributed cooling assembly (8) is provided inside the cooling hood (5); The distributed cooling assembly (8) comprises a disc-shaped cover (9), a movable column (10) is fixed at the bottom of the disc-shaped cover (9), a support tube (11) is slidably sleeved on the outer side of the movable column (10), a first spring (12) is fixed at the top of the support tube (11), the first spring (12) is arranged around the outer side of the movable column (10) and its top end is fixed to the bottom of the disc-shaped cover (9), the top center axis of the disc-shaped cover (9) is coaxially arranged with the center axis of the atomizing nozzle (7), a plurality of connecting plates (13) are evenly fixed on the top of the support tube (11), one end of the connecting plate (13) away from the support tube (11) is fixedly connected to the inner wall of the disc-shaped cover (9), and the outer edge of the disc-shaped cover (9) is evenly opened. An air outlet (14) is provided, an air outlet member (15) is provided on the outer side of the support tube (11), an air guide member (16) is provided inside the movable column (10), a plurality of through slots (17) are evenly provided on the lower middle side of the cooling cover (5), a fixing slot (18) is provided on the slot wall of each through slot (17), a scraper member (19) is provided in each fixing slot (18), the air outlet member (15) comprises an air cooler (20), an input end of the air cooler (20) is fixedly connected to an air inlet pipe (21), an output end of the air cooler (20) is fixedly connected to an air outlet pipe (22), the air outlet pipe (22) is a rubber hose, and one end of the air outlet pipe (22) away from the air cooler (20) is fixedly plugged into the outer wall of the movable column (10).

2. The cooling tank for lactic acid bacteria fermentation liquid according to claim 1, characterized in that: The air guide member (16) comprises a drive motor (23) and a fan (24); the drive motor (23) is fixed in a cavity opened inside the movable column (10); and the fan (24) is fixed on an output shaft of the drive motor (23).

3. The cooling tank for lactic acid bacteria fermentation liquid according to claim 1, characterized in that: The scraper (19) comprises a settling plate (25), the settling plate (25) slides in the fixed groove (18), an electromagnet (26) is fixed to the inner wall of the fixed groove (18), a groove (27) is provided at the bottom of the settling plate (25), a second spring (28) is fixed to one side of the groove (27), one end of the second spring (28) is fixedly connected to the groove bottom of the fixed groove (18) via a fixing block, and one end of the settling plate (25) close to the electromagnet (26) is magnetic, and the magnetism is opposite to the magnetism of the electromagnet (26) after power is supplied.

4. The cooling tank for lactic acid bacteria fermentation liquid according to claim 3, characterized in that: A contact switch (29) is fixed to the inner bottom of the support tube (11), and the contact switch (29) is electrically connected to the electromagnet (26).

5. The cooling tank for lactic acid bacteria fermentation liquid according to claim 3, characterized in that: An arc-shaped slope is provided at one end of the precipitation plate (25) away from the electromagnet (26).

6. The cooling tank for lactic acid bacteria fermentation liquid according to claim 1, characterized in that: One end of the air inlet pipe (21) away from the air cooler (20) extends to just above the interior of the tank body (1) and is fixed with an air collecting hood (30).

7. The cooling tank for lactic acid bacteria fermentation liquid according to claim 1, characterized in that: Two concave frames (31) are fixed on the top of the tank body (1), and the mutually adjacent sides of the two concave frames (31) are tightly spliced.

8. The cooling tank for lactic acid bacteria fermentation liquid according to claim 1, characterized in that: The cooling cover (5) is also provided with a plurality of circular grooves (32), and a dustproof net (33) is fixed in each of the circular grooves (32).

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