Lactobacillus fermentation tank convenient for inner wall cleaning and inner wall cleaning method thereof

Abstract

The invention discloses a lactic acid bacteria fermentation tank convenient for inner wall cleaning and an inner wall cleaning method thereof, and belongs to the technical field of fermentation tanks. Comprising a fermentation barrel, a driving assembly is installed at the top of the fermentation barrel and provided with two output ends, the first output end of the driving assembly is connected with a scraping assembly, the scraping assembly makes contact with the inner wall face of the fermentation barrel and is used for scraping and cleaning the inner wall of the fermentation barrel, and the second output end of the driving assembly is connected with a stirring assembly; a discharging port is formed in the lower end of the fermentation barrel, a blocking assembly is installed below the outer wall of the fermentation barrel, the blocking assembly is partially located below the discharging port and used for blocking the discharging port in an operable mode, a feeding port is formed in the top of the fermentation barrel, at least two sets of nozzles are installed at the top of the fermentation barrel, and the nozzles are connected with an external water pipe. Lactic acid bacteria are prevented from being accumulated on the inner wall of the fermenter, in the fermenter cleaning process, cleaning liquid is sprayed to the inner wall of the fermenter in cooperation with the spray head, the inner wall of the fermenter is scraped by the scraping assembly, and the fermenter is rapidly cleaned.

Description

Technical Field

[0001] The invention belongs to the technical field of fermentation tanks, and particularly relates to a lactic acid bacteria fermentation tank with an inner wall that is easy to clean and a method for cleaning the inner wall thereof. Background Art

[0002] During the lactic acid bacteria fermentation process, stirring is usually used to ensure uniform distribution of bacteria, promote material exchange, prevent curd formation, and control fermentation temperature. Stirring can fully mix the lactic acid bacteria and nutrients in milk, avoiding excessive reproduction of lactic acid bacteria in a certain area and affecting the overall quality of yogurt. However, the existing stirring method can only stir the lactic acid bacteria inside the fermentation barrel, and the lactic acid bacteria inside the mixing barrel cannot be fully stirred. After the lactic acid bacteria fermentation is completed, it is usually only cleaned by flushing, resulting in incomplete cleaning, which affects the quality of the subsequent lactic acid bacteria fermentation. Summary of the Invention

[0003] Purpose of the invention: To provide a lactic acid bacteria fermentation tank with easy inner wall cleaning and a method for cleaning the inner wall thereof, thereby solving the above-mentioned problems existing in the prior art.

[0004] Technical solution: A lactic acid bacteria fermentation tank that is easy to clean the inner wall and a method for cleaning the inner wall thereof, comprising a fermentation barrel, a drive assembly installed on the top of the fermentation barrel, the drive assembly having two output ends, the first output end of the drive assembly being connected to a scraping assembly, the scraping assembly being in contact with the inner wall surface of the fermentation barrel, the scraping assembly being used to scrape and clean the inner wall of the fermentation barrel, the second output end of the drive assembly being connected to a stirring assembly, a discharge port being provided at the lower end of the fermentation barrel, a blocking assembly being installed below the outer wall of the fermentation barrel, the blocking assembly being partially located below the discharge port and being used to operationally block the discharge port, a feed port being provided at the top of the fermentation barrel, at least two groups of nozzles being installed at the top of the fermentation barrel, the nozzles being connected to an external water pipe.

[0005] Preferably, the drive assembly includes a mounting plate, which is mounted on the top of the fermentation barrel, and two sets of drive motors are mounted on the mounting plate. A first drive unit is mounted on the lower end of the mounting plate by bolts, and the first drive unit is located between the drive motors and is drive-connected to the drive motors. A second drive unit is mounted on the lower end of the first drive unit, and the first drive unit is drive-connected to the second drive unit. The first drive unit is drive-connected to the scraping assembly, and the second drive unit is drive-connected to the stirring assembly.

[0006] Preferably, the first driving part includes a rotating gear, which is installed on the lower end of the mounting plate through a mounting column, the rotating gear is meshed and connected to the driving motor, the lower end of the rotating gear is connected to a rotating shell through a screw, and the scraping assembly is installed at the edge of the rotating shell.

[0007] Preferably, the rotating shell includes a connecting plate, which is connected to the rotating gear by bolts, and the connecting plate and the rotating gear rotate simultaneously. A mounting cover is installed under the rotating plate, and an accommodating cavity is formed between the mounting cover and the connecting plate. The second driving part is located in the accommodating cavity, and two groups of connecting blocks are installed at the lower end of the connecting plate. The connecting blocks are arranged opposite to each other, and the scraping assembly is installed on the connecting plate through the connecting block.

[0008] Preferably, the second driving part includes two groups of rotating shafts, which are rotatably mounted on the mounting cover. The rotating shafts pass through the mounting cover. Pinions are sleeved on the rotating shafts. The pinions are located inside the mounting cover. Transmission gears are installed between the pinions. The transmission gears are connected to the pinions to drive the two groups of rotating shafts to rotate in opposite directions.

[0009] Preferably, the scraping assembly includes two groups of horizontal plates, one end of each group of horizontal plates is installed on the connecting block, and the other end of the horizontal plate is installed with an L-shaped mounting rod, and a plurality of elastic scrapers are installed on the long rod of the L-shaped mounting rod along a vertical linear array, and the elastic scrapers are in contact with the inner wall surface of the fermentation barrel.

[0010] Preferably, the stirring assembly includes two groups of connecting shafts, each group of connecting shafts is connected to the rotating shaft, and a number of stirring parts are installed on each group of connecting shafts in a linear array along the central axis of the rotating shaft. The stirring part includes a mounting frame, which is sleeved on the connecting shaft. The mounting frame is provided with a stirring rod installed at the end of the connecting shaft, and the angle between the stirring rod and the mounting frame is an obtuse angle, and a stirring paddle is installed at the end of the stirring rod.

[0011] Preferably, the sealing assembly includes an oil tank, which is installed on the outside of the fermentation barrel. A fixed sleeve is installed on the outside of the fermentation barrel. A rotating shaft is rotatably installed in the fixed sleeve. A sealing plate is installed at the lower end of the rotating shaft. The sealing plate is used to seal the discharge port. A hydraulic telescopic rod is rotatably installed on the upper end of the rotating shaft. The hydraulic telescopic rod is vertically connected to the rotating shaft. The hydraulic telescopic rod is connected to the oil tank. A support part is installed on the outer wall of the fermentation barrel, and the support part is sleeved on the hydraulic telescopic rod.

[0012] Preferably, an observation window is provided on the top of the fermentation barrel, through which the specific conditions inside the fermentation barrel can be observed.

[0013] A method for cleaning the inner wall of a lactic acid bacteria fermentation tank comprises the following steps: S1. Using a blocking assembly to block the discharge port of the fermentation barrel, the fermentation barrel forms a receiving chamber with an open top. Lactic acid bacteria are then added to the fermentation barrel through the feed port. The two drive motors are started, and the two drive motors rotate in opposite directions, thereby starting the rotating gear in the first drive unit, driving the mounting plate to rotate, thereby driving the scraping assembly to scrape the inner wall of the fermentation barrel; S2. During the rotation of the mounting plate, the mounting cover is cooperated with to drive the rotating shaft to move, and the pinion and the transmission gear are cooperated to drive the rotating shaft to rotate, thereby driving the stirring assembly to stir the lactic acid bacteria in the fermentation barrel; S3. After the lactic acid bacteria in the barrel have completed fermentation, the sealing plate is driven away from the discharge port by the sealing component to allow the lactic acid bacteria to be discharged smoothly from the fermentation barrel. After the lactic acid bacteria are completely discharged from the fermentation barrel, the discharge port is sealed by the sealing plate in the sealing component; S4. After the lactic acid bacteria in the fermentation barrel are discharged, a cleaning liquid is sprayed on the inner wall of the fermentation barrel using a nozzle, and the inner wall of the fermentation barrel is scraped using a scraping component to clean the inner wall of the barrel.

[0014] Beneficial effects: The present invention relates to a lactic acid bacteria fermentation tank with convenient inner wall cleaning and an inner wall cleaning method thereof. A driving component is used to drive a stirring component and a scraping component to rotate simultaneously, and the scraping component is used to scrape the inner wall of the tank body. During the lactic acid bacteria fermentation process, accumulation of lactic acid bacteria on the inner wall of the fermentation tank is avoided. During the cleaning process of the fermentation tank, a cleaning liquid is sprayed on the inner wall of the fermentation tank with a nozzle, and the scraping component is used to scrape the inner wall of the fermentation tank, thereby achieving rapid cleaning of the fermentation tank. Secondly, during the lactic acid bacteria fermentation process, with the cooperation of the stirring component and the scraping component, the lactic acid bacteria in the fermentation barrel are fully stirred, so that the lactic acid bacteria and the nutrients in the milk are fully mixed, avoiding excessive reproduction of lactic acid bacteria in a certain area and affecting the overall quality of the yogurt. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the nozzle of the present invention; Figure 3 is a schematic diagram of a drive assembly of the present invention; Figure 4 A schematic diagram of a scraping assembly according to the present invention; Figure 5 It is a schematic diagram of the installation cover of the present invention; Figure 6 Schematic diagram of the blocking component of the present invention.

[0016] Figures 1 to 6The accompanying drawings are marked as follows: 1. fermentation barrel; 2. driving assembly; 3. scraping assembly; 4. stirring assembly; 5. discharge port; 6. blocking assembly; 7. feed port; 8. nozzle; 9. observation window; 201, mounting plate; 202, driving motor; 203, rotating gear; 204, connecting plate; 205, mounting cover; 206, rotating shaft; 207, pinion; 208, transmission gear; 301, horizontal plate; 302, connecting block; 303, L-shaped mounting rod; 304, elastic scraper; 401, connecting shaft; 402, mounting bracket; 403, stirring rod; 404, stirring paddle; 601. Oil tank; 602. Fixed sleeve; 603. Rotating shaft; 604. Closing plate; 605. Hydraulic telescopic rod; 606. Support part. DETAILED DESCRIPTION

[0017] like Figures 1 to 6 As shown, the present invention provides a technical solution: a lactic acid bacteria fermentation tank that is easy to clean the inner wall and a method for cleaning the inner wall thereof, comprising a fermentation barrel, a feed port, a discharge port and an observation window, wherein the feed port and the observation window are respectively arranged on the top of the fermentation barrel, the feed port and the observation window are placed adjacent to each other, the discharge port is arranged at the bottom end of the fermentation barrel, a driving assembly is installed on the top of the fermentation barrel, the driving assembly has two output ends, the first output end of the driving assembly is connected to a scraping assembly, the scraping assembly contacts the inner wall surface of the fermentation barrel, the scraping assembly is used to scrape and clean the inner wall of the fermentation barrel, the second output end of the driving assembly is connected to a stirring assembly, and the scraping assembly and the stirring assembly are driven by the driving assembly to rotate simultaneously, so A sealing component is installed below the outer wall of the fermentation barrel, and the sealing component is partially located below the discharge port, which is used for operative sealing of the discharge port. At least two groups of nozzles are installed on the top of the fermentation barrel, and the nozzles are connected to the external water pipe. After the sealing component seals the discharge port, lactic acid bacteria are filled into the fermentation barrel through the feed port, and the driving component drives the stirring component and the scraping component to rotate simultaneously, and the scraping component is used to scrape the inner wall of the barrel. The cleanliness of the inside of the fermentation barrel can be directly observed through the observation window. Secondly, during the lactic acid bacteria fermentation process, the lactic acid bacteria in the fermentation barrel are fully stirred, so that the lactic acid bacteria and the nutrients in the milk are fully mixed, thereby avoiding excessive reproduction of lactic acid bacteria in a certain area and affecting the overall quality of the yogurt.

[0018] In a further embodiment, the drive assembly includes a mounting plate, which is mounted on the top of the fermentation tank. Two groups of drive motors are mounted on the mounting plate, wherein the two groups of drive motors rotate in opposite directions. A first drive part is mounted on the lower end of the mounting plate by bolts. The first drive part is located between the drive motors and is driven by the drive motors. The first drive part includes a rotating gear, which is mounted on the lower end of the mounting plate by a mounting column. The rotating gear is meshed with the drive motor, wherein the two groups of drive motors rotate in opposite directions, driving the rotating gear to rotate. The lower end of the rotating gear is connected to a rotating shell by a screw. The rotating shell includes a connecting plate, which is connected to the rotating gear by bolts. The connecting plate and the rotating gear rotate simultaneously. A mounting cover is mounted below the rotating plate, and an accommodating cavity is formed between the mounting cover and the connecting plate. The second drive part is located in the accommodating cavity. Two groups of connecting blocks are mounted on the lower end of the connecting plate. The connecting blocks are arranged opposite to each other. The scraping assembly is mounted on the connecting plate by the connecting block. The lower end of the first drive part is mounted with a second drive part. The second drive part includes two groups of rotating shafts, which are rotatably mounted on the mounting plate. On the mounting cover, the rotating shaft passes through the mounting cover, and a small gear is sleeved on the rotating shaft, and the small gear is located in the mounting cover. A transmission gear is installed between the pinions, and the transmission gear is connected to the pinion to drive the two sets of rotating shafts to rotate in opposite directions. The scraping assembly includes two sets of horizontal plates, one end of each set of horizontal plates is installed on the connecting block, and the other end of the horizontal plate is installed with an L-shaped mounting rod, and a number of elastic scrapers are installed on the long rod of the L-shaped mounting rod along a vertical linear array, and the elastic scrapers are in contact with the inner wall of the fermentation barrel. The stirring assembly includes two sets of connecting shafts, and each set of connecting shafts is divided into The stirring parts are connected to the rotating shafts respectively, and a plurality of stirring parts are installed in a linear array along the central axis of the rotating shaft on each group of the connecting shafts. The stirring parts include a mounting frame, which is sleeved on the connecting shaft. A stirring rod is installed at the end of the connecting shaft of the mounting frame. The angle between the stirring rod and the mounting frame is an obtuse angle. A stirring paddle is installed at the end of the stirring rod. Driven by the driving component, the scraping component and the stirring component rotate simultaneously to fully stir the lactic acid bacteria in the fermentation barrel, and cooperate with the scraping component to scrape the inner wall of the fermentation barrel to avoid the accumulation of lactic acid bacteria on the inner wall of the fermentation barrel, so that the lactic acid bacteria and the nutrients in the milk are fully mixed.

[0019] In a further embodiment, the sealing assembly includes an oil tank, which is installed on the outside of the fermentation barrel. A fixed sleeve is installed on the outside of the fermentation barrel, and a rotating shaft is rotatably installed in the fixed sleeve. A sealing plate is installed at the lower end of the rotating shaft, and a hydraulic telescopic rod is rotatably installed at the upper end of the rotating shaft. The hydraulic telescopic rod is vertically connected to the rotating shaft, and the hydraulic telescopic rod is connected to the oil tank. With the cooperation of the oil tank and the hydraulic telescopic rod, the rotating shaft is driven to rotate, and the sealing plate is driven to rotate, so as to achieve the sealing of the discharge port. A support part is installed on the outer wall of the fermentation barrel, and the support part is sleeved on the hydraulic telescopic rod. The support part is used to limit the hydraulic telescopic rod to avoid shaking during the operation of the hydraulic telescopic rod, which affects the service life of the hydraulic telescopic rod.

[0020] Through the above technical solution, a method for cleaning the inner wall of a lactic acid bacteria fermentation tank is used in combination with the above technical solution to achieve lactic acid bacteria fermentation or fermentation tank cleaning. The process is as follows: When fermenting lactic acid bacteria, first, the discharge port of the fermentation barrel is blocked by a blocking component, so that the fermentation barrel forms a receiving cavity with an opening at the top, and lactic acid bacteria are filled into the fermentation barrel through the feed port. The two sets of drive motors are started, and the two sets of drive motors rotate in opposite directions, so that the rotating gear in the first drive part can be started to rotate, and the mounting plate can be driven to rotate, so as to drive the scraping component to scrape the inner wall of the fermentation barrel. During the rotation of the mounting plate, the mounting cover is cooperated to drive the rotating shaft to move, and the small gear and the transmission gear are cooperated to drive the rotating shaft to rotate, and the stirring component is driven to stir the lactic acid bacteria in the fermentation barrel, so that the lactic acid bacteria in the fermentation barrel are fully stirred, and the nutrients in the lactic acid bacteria and milk are fully mixed, so as to avoid excessive reproduction of lactic acid bacteria in a certain area and affect the overall quality of yogurt.

[0021] After the lactic acid bacteria in the barrel have completed fermentation, the sealing component is used to drive the sealing plate away from the discharge port, so that the lactic acid bacteria can be discharged from the fermentation barrel smoothly. After the lactic acid bacteria are completely discharged from the fermentation barrel, the sealing plate in the sealing component is used to seal the discharge port, the nozzle is used to spray cleaning liquid on the inner wall of the fermentation barrel, and the scraping component is used to scrape the inner wall of the fermentation barrel. At the same time, the stirring component is used to stir the cleaning liquid, so that the inner wall of the barrel can be quickly cleaned.

[0022] The preferred embodiments of the present invention are described in detail above. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and these equivalent transformations all fall within the scope of protection of the present invention.

Claims

1. A lactic acid bacteria fermentation tank that is easy to clean the inner wall, characterized in that: It includes a fermentation barrel, a driving component is installed on the top of the fermentation barrel, the driving component has two output ends, the first output end of the driving component is connected to a scraping component, the scraping component is in contact with the inner wall surface of the fermentation barrel, the scraping component is used to scrape and clean the inner wall of the fermentation barrel, the second output end of the driving component is connected to a stirring component, a discharge port is opened at the lower end of the fermentation barrel, a blocking component is installed below the outer wall of the fermentation barrel, the blocking component is partially located below the discharge port, and is used for operatively blocking the discharge port, a feed port is opened at the top of the fermentation barrel, at least two groups of nozzles are installed on the top of the fermentation barrel, and the nozzles are connected to an external water pipe.

2. A lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 1, characterized in that: The driving assembly includes a mounting plate, which is mounted on the top of the fermentation barrel, and two groups of driving motors are mounted on the mounting plate. A first driving part is mounted on the lower end of the mounting plate by bolts, and the first driving part is located between the driving motors and is drivingly connected to the driving motors. A second driving part is mounted on the lower end of the first driving part, and the first driving part is drivingly connected to the second driving part. The first driving part is drivingly connected to the scraping assembly, and the second driving part is drivingly connected to the stirring assembly.

3. A lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 2, characterized in that: The first driving part includes a rotating gear, which is installed on the lower end of the mounting plate through a mounting column. The rotating gear is meshed and connected to the driving motor. The lower end of the rotating gear is connected to a rotating shell through a screw, and the scraping assembly is installed at the edge of the rotating shell.

4. A lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 3, characterized in that: The rotating shell includes a connecting plate, which is connected to the rotating gear by bolts. The connecting plate and the rotating gear rotate simultaneously. A mounting cover is installed under the rotating plate. A accommodating cavity is formed between the mounting cover and the connecting plate. The second driving part is located in the accommodating cavity. Two groups of connecting blocks are installed at the lower end of the connecting plate. The connecting blocks are arranged opposite to each other. The scraping assembly is installed on the connecting plate through the connecting blocks.

5. A lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 4, characterized in that: The second driving part includes two groups of rotating shafts, which are rotatably mounted on the mounting cover. The rotating shafts penetrate the mounting cover. Pinions are sleeved on the rotating shafts. The pinions are located in the mounting cover. Transmission gears are installed between the pinions. The transmission gears are connected to the pinions to drive the two groups of rotating shafts to rotate in opposite directions.

6. The lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 4, characterized in that: The scraping assembly includes two groups of horizontal plates, one end of each group of horizontal plates is installed on the connecting block, and the other end of the horizontal plate is installed with an L-shaped mounting rod, and a plurality of elastic scrapers are installed on the long rod of the L-shaped mounting rod along a vertical linear array, and the elastic scrapers are in contact with the inner wall surface of the fermentation barrel.

7. The lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 5, characterized in that: The stirring assembly includes two groups of connecting shafts, each group of connecting shafts is connected to the rotating shafts respectively, and a plurality of stirring parts are installed on each group of connecting shafts in a linear array along the central axis of the rotating shaft. The stirring part includes a mounting frame, and the mounting frame is sleeved on the connecting shafts. A stirring rod is installed at the end of the connecting shaft of the mounting frame. The angle between the stirring rod and the mounting frame is an obtuse angle, and a stirring paddle is installed at the end of the stirring rod.

8. The lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 1, characterized in that: The blocking assembly includes an oil tank, which is installed on the outside of the fermentation barrel. A fixed sleeve is installed on the outside of the fermentation barrel. A rotating shaft is rotatably installed in the fixed sleeve. A sealing plate is installed on the lower end of the rotating shaft, and the sealing plate is used to block the discharge port. A hydraulic telescopic rod is rotatably installed on the upper end of the rotating shaft. The hydraulic telescopic rod is vertically connected to the rotating shaft, and the hydraulic telescopic rod is connected to the oil tank. A support part is installed on the outer wall of the fermentation barrel, and the support part is sleeved on the hydraulic telescopic rod.

9. The lactic acid bacteria fermentation tank with easy inner wall cleaning according to claim 1, characterized in that: An observation window is provided on the top of the fermentation barrel, through which the specific conditions in the fermentation barrel can be observed.

10. A method for cleaning the inner wall of a lactic acid bacteria fermentation tank, which is used to clean the lactic acid bacteria fermentation tank and the fermentation tank by using the lactic acid bacteria fermentation tank that is easy to clean the inner wall as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Use the blocking component to block the discharge port of the fermentation barrel, so that the fermentation barrel forms a receiving chamber with an opening at the top, and fill the fermentation barrel with lactic acid bacteria through the feed port. The two sets of drive motors are started, and the two sets of drive motors rotate in opposite directions, which can start the rotating gear in the first drive part to rotate, drive the mounting plate to rotate, and drive the scraping component to scrape the inner wall of the fermentation barrel; S2. During the rotation of the mounting plate, the mounting cover is cooperated to drive the rotating shaft to move, and the rotating shaft is driven to rotate under the cooperation of the pinion and the transmission gear, so as to drive the stirring assembly to stir the lactic acid bacteria in the fermentation barrel; S3. After the lactic acid bacteria in the barrel have completed fermentation, the sealing plate is driven away from the discharge port by the sealing component to allow the lactic acid bacteria to be discharged from the fermentation barrel smoothly. After the lactic acid bacteria are completely discharged from the fermentation barrel, the discharge port is sealed by the sealing plate in the sealing component; S4. After the lactic acid bacteria in the fermentation barrel are discharged, a cleaning liquid is sprayed to the inner wall of the fermentation barrel using a nozzle, and the inner wall of the fermentation barrel is scraped using a scraping component to clean the inner wall of the barrel.

Images