Multi-stage cooling type crystallizing tank

Abstract

The utility model relates to the technical field of biological pharmacy, and discloses a multi-stage cooling type crystallizing tank which comprises a hollow tank body, an inner container tank is arranged in a cavity of the tank body, a cooling pipe is arranged on the outer wall face of the inner container tank, and a stirring assembly is arranged in the inner container tank. The stirring assembly comprises a stirring main shaft, a first connecting rod and a rectangular plate; a reinforcing part is arranged between the stirring main shaft and the liner tank; the liquid discharging component comprises a liquid discharging unit, a connecting pipe and a water pump assembly, the liquid discharging unit comprises a discharging pipe and a cylindrical metal filter screen, and the cylindrical metal filter screen is movably clamped with the discharging pipe. Liquid in the inner container tank is discharged by arranging the liquid discharging unit, crystals on the inner wall face of the inner container tank are hung down by arranging the stirring assembly to work, the crystals are discharged through the discharging port in the bottom end, an operator can conveniently clean and dredge the cylindrical metal filter screen through the structural design of the liquid discharging unit, and normal liquid discharging work is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of biopharmaceuticals, in particular to a multi-stage cooling crystallization tank. Background Art

[0002] The multi-stage cooling crystallization tank has important application value in the field of biopharmaceuticals. The multi-stage cooling crystallization tank realizes the step-by-step cooling of materials through a multi-stage cooling structure, thereby improving the crystallization efficiency and product quality.

[0003] The prior art discloses a multi-stage cooling crystallization tank (Publication No.: CN219941831U), which includes an outer tank body. An inner tank body is fixedly installed inside the outer tank body. A transmission mechanism is fixedly installed at the top of the outer tank body. A discharging structure connected to the output end of the transmission mechanism is arranged inside the inner tank body. A cooling structure is installed around the outer side of the inner tank body. A support framework is fixedly installed at the bottom of the outer tank body. A lifting type material guiding structure is assembled on the support framework, and the output end of the lifting type material guiding structure extends into the inner tank body.

[0004] The prior art is convenient for discharging materials and reduces the adhesion of materials on the inner wall surface of the tank, but the rising height of the conical body is limited, and the crystals on the inner wall surface are not scraped comprehensively. In addition, there may be a situation where the filter screen is blocked by crystals during the liquid discharging process of the crystallization tank, and the later cleaning is more troublesome and requires disassembly of the machine.

[0005] Therefore, the technical personnel in this field provide a multi-stage cooling crystallization tank to solve the problems raised in the above background art. Summary of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a multi-stage cooling crystallization tank, which solves the problems raised in the above background art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A multi-stage cooling crystallization tank, which includes: a tank body, the tank body is hollow, support legs are fixedly installed at the bottom end of the tank body, an inner tank is arranged in the cavity of the tank body, cooling pipes for cooling are arranged on the outer wall surface of the inner tank, and a stirring assembly is arranged inside the inner tank; the stirring assembly includes a stirring main shaft, a first connecting rod and a rectangular plate, a scraper is fixedly connected to one side of the rectangular plate close to the inner wall surface of the inner tank, a reinforcement member is arranged between the stirring main shaft and the inner tank, and the reinforcement member includes a second connecting rod and a roller; a liquid discharging member, the liquid discharging member is arranged at the bottom end of the tank body, the liquid discharging member includes a liquid discharging unit, a connecting pipe and a water pump assembly, the liquid discharging unit includes a discharging pipe and a cylindrical metal filter screen, and the cylindrical metal filter screen is movably clamped with the discharging pipe.

[0009] According to the multi-stage cooling crystallization tank described above, a stirring motor is fixedly installed at the top end of the tank body. The output shaft of the stirring motor is fixedly connected to the top end of the stirring main shaft. The first connecting rod is fixedly connected to the outer wall surface of the stirring main shaft. The two ends of the two first connecting rods away from the stirring main shaft are jointly connected to a rectangular plate, and the tip of the scraper is in contact with the inner wall surface of the inner tank.

[0010] According to the multi-stage cooling crystallization tank described above, the second connecting rod is fixedly installed on the outer wall surface of the stirring main shaft. The number of the second connecting rods is two, and the two second connecting rods are in a symmetric state. Assembly frames are fixedly connected to the ends of the two second connecting rods away from each other. The rollers are movably installed in the cavities of the assembly frames through pin shafts.

[0011] According to the multi-stage cooling crystallization tank described above, the number of the rectangular plates is two, and the number of the scrapers is two. The two rectangular plates and the scrapers are in a symmetric state with each other, and the bottom ends of the two rectangular plates and the scrapers are bent.

[0012] According to the multi-stage cooling crystallization tank described above, the water pump assembly is fixedly installed on the outer wall surface of the tank body. A discharge port is provided through the bottom end of the tank body, and a coolant inlet pipe and a coolant outlet pipe are provided on the outer wall surface of the tank body.

[0013] According to the multi-stage cooling crystallization tank described above, a valve baffle is provided below the discharge port. Protrusions are provided on the outer wall surface of the valve baffle. A second servo motor is fixedly installed on the outer wall surface of the discharge port, and the output shaft of the second servo motor is fixedly connected to the protrusion on the outer wall surface of the valve baffle.

[0014] According to the multi-stage cooling crystallization tank described above, a through hole is provided through the center position of the valve baffle. The discharge pipe is fixedly connected to the valve baffle. The bottom end of the outer wall surface of the cylindrical metal filter screen is fixedly connected with a first mounting plate and a second mounting plate. The bottom end of the outer wall surface of the discharge pipe is fixedly installed with a third mounting plate and a fourth mounting plate. The first mounting plate and the third mounting plate are in the same vertical direction, and the second mounting plate and the fourth mounting plate are in the same vertical direction. A connecting pipe is connected through between the cylindrical metal filter screen and the water pump assembly.

[0015] According to the multi-stage cooling crystallization tank described above, the liquid discharge unit further includes a guide rod and a rack. The bottom end of the rack is fixedly connected to the second mounting plate. The top end of the rack movably penetrates through the fourth mounting plate. A first servo motor is fixedly installed on the fourth mounting plate. The output shaft of the first servo motor is fixedly connected with a gear. The gear is movably engaged with the rack. The guide rod is fixedly installed at the top end of the first mounting plate. The top end of the guide rod movably penetrates through the third mounting plate and is fixedly connected with a baffle. The baffle is located above the third mounting plate.

[0016] The present utility model provides a multi-stage cooling crystallization tank. It has the following beneficial effects:

[0017] (1) The main part of the crystallization tank is composed of a tank body, an inner tank and a cooling pipe. Cooling crystallization is carried out in the inner tank. After crystals are precipitated, the liquid in the inner tank is discharged by setting a liquid discharge unit. By setting the stirring assembly to work, the crystals on the inner wall surface of the inner tank are scraped off and discharged through the discharge port at the bottom. The structural design of the liquid discharge unit can facilitate the operator to clean and dredge the cylindrical metal filter screen to ensure the normal progress of the liquid discharge work.

[0018] (2) The second connecting rod is fixedly installed on the outer wall surface of the stirring main shaft, and the roller is movably installed in the assembly frame. The assembly frame is fixedly connected with the second connecting rod. Thus, the stirring main shaft and the inner wall surface of the inner tank are restricted and supported through the second connecting rod, the roller and the assembly frame to ensure that the stirring main shaft will not shake during the working process and ensure stability.

[0019] (3) A through hole is penetrated at the center position of the valve baffle. The discharge pipe is fixedly connected with the valve baffle. The cylindrical metal filter screen movably penetrates through the cavity of the discharge pipe. During operation, the first servo motor drives the gear to rotate, the gear drives the rack to rise, the rack is fixedly connected with the second mounting plate, and the second mounting plate is fixedly connected with the bottom end of the cylindrical metal filter screen. Thus, the cylindrical metal filter screen rises synchronously during the rising process of the rack, and the cylindrical metal filter screen enters the cavity of the discharge pipe. By setting the guide rod to movably penetrate through the third mounting plate, it plays a role in limiting and guiding the movement of the cylindrical metal filter screen. After the work is completed, it is convenient to clean and dredge the cylindrical metal filter screen. Description of the Drawings

[0020] Figure 1 is a three-dimensional structural schematic diagram of a multi-stage cooling type crystallization tank of the present utility model;

[0021] Figure 2 is a sectional structural schematic diagram of a multi-stage cooling type crystallization tank of the present utility model;

[0022] Figure 3 is a three-dimensional structural schematic diagram of the stirring assembly of a multi-stage cooling type crystallization tank of the present utility model;

[0023] Figure 4 is a structural schematic diagram of the liquid discharge part of a multi-stage cooling type crystallization tank of the present utility model;

[0024] Figure 5 is a structural schematic diagram of the liquid discharge unit of a multi-stage cooling type crystallization tank of the present utility model.

[0025] Legend Explanation:

[0026] 10. Tank body; 11. Support legs; 12. Stirring motor; 13. Water pump assembly; 14. Drainage unit; 15. Connecting pipe; 16. Inner tank; 17. Cooling pipe; 18. Stirring assembly; 19. Stirring main shaft; 20. Rectangular plate; 21. Scraper; 22. First connecting rod; 23. Second connecting rod; 24. Assembly frame; 25. Roller; 26. Discharge port; 27. Valve baffle; 28. Discharge pipe; 29. Cylindrical metal filter screen; 30. First mounting plate; 31. Second mounting plate; 32. Rack; 33. Gear; 34. First servo motor; 35. Guide rod; 36. Second servo motor. Detailed implementation mode

[0027] As Figures 1-5 shown: A multi-stage cooling crystallization tank, which includes: a tank body 10, the tank body 10 is hollow, support legs 11 are fixedly installed at the bottom end of the tank body 10, an inner tank 16 is arranged in the cavity of the tank body 10, a cooling pipe 17 for cooling is arranged on the outer wall surface of the inner tank 16, and a stirring assembly 18 is arranged in the inner tank 16; The stirring assembly 18 includes a stirring main shaft 19, a first connecting rod 22 and a rectangular plate 20, a scraper 21 is fixedly connected to one side of the rectangular plate 20 close to the inner wall surface of the inner tank 16, a reinforcement component is arranged between the stirring main shaft 19 and the inner tank 16, and the reinforcement component includes a second connecting rod 23 and a roller 25; A drainage component, the drainage component is arranged at the bottom end of the tank body 10, the drainage component includes a drainage unit 14, a connecting pipe 15 and a water pump assembly 13, the drainage unit 14 includes a discharge pipe 28 and a cylindrical metal filter screen 29, and the cylindrical metal filter screen 29 is movably clamped with the discharge pipe 28.

[0028] Specifically, by setting the tank body 10, the inner tank 16 and the cooling pipe 17 to form the main part of the crystallization tank, cooling crystallization is carried out in the inner tank 16. After crystals are precipitated, the liquid in the inner tank 16 is discharged by setting the drainage unit 14. By setting the stirring assembly 18 to work, the crystals on the inner wall surface of the inner tank 16 are scraped off and discharged through the discharge port 26 at the bottom end. The structural design of the drainage unit 14 can facilitate the operator to clean and dredge the cylindrical metal filter screen 29 to ensure the normal progress of the drainage work.

[0029] A stirring motor 12 is fixedly installed at the top end of the tank body 10, the output shaft of the stirring motor 12 is fixedly connected to the top end of the stirring main shaft 19, the first connecting rod 22 is fixedly connected to the outer wall surface of the stirring main shaft 19, the two first connecting rods 22 away from the stirring main shaft 19 are jointly connected to the rectangular plate 20, and the tip of the scraper 21 is attached to the inner wall surface of the inner tank 16.

[0030] Specifically, during operation, the stirring motor 12 drives the stirring main shaft 19 to rotate. During the rotation of the stirring main shaft 19, the rectangular plate 20 and the scraping plate 21 are driven to rotate synchronously through the first connecting rod 22. The scraping plate 21 is in contact with the inner wall surface of the inner tank 16, enabling the device to not only complete the stirring work but also scrape the crystals on the inner wall surface of the inner tank 16.

[0031] The second connecting rod 23 is fixedly installed on the outer wall surface of the stirring main shaft 19. The number of the second connecting rods 23 is two, and the two second connecting rods 23 are in a symmetric state. Assembly frames 24 are fixedly connected to the ends of the two second connecting rods 23 that are away from each other. The roller 25 is movably installed in the cavity of the assembly frame 24 through a pin shaft. The number of the rectangular plates 20 is two, and the number of the scraping plates 21 is two. The two rectangular plates 20 and the scraping plates 21 are in a symmetric state with each other, and the bottoms of the two rectangular plates 20 and the scraping plates 21 are bent.

[0032] Specifically, by setting the second connecting rod 23 fixedly installed on the outer wall surface of the stirring main shaft 19 and the roller 25 movably installed in the assembly frame 24, and the assembly frame 24 being fixedly connected to the second connecting rod 23, the stirring main shaft 19 and the inner wall surface of the inner tank 16 are restricted and supported through the second connecting rod 23, the roller 25, and the assembly frame 24, ensuring that the stirring main shaft 19 does not shake during operation and ensuring stability.

[0033] The water pump assembly 13 is fixedly installed on the outer wall surface of the tank body 10. A discharge port 26 is provided through the bottom end of the tank body 10, and a coolant inlet pipe and a coolant outlet pipe are provided on the outer wall surface of the tank body 10.

[0034] Specifically, by setting the water pump assembly 13 to provide power for liquid discharge, a discharge port 26 is provided through the bottom end of the tank body 10, facilitating the discharge of crystals. A coolant inlet pipe and a coolant outlet pipe are provided on the outer wall surface of the tank body 10, and the coolant inlet pipe and the coolant outlet pipe are in communication with the cooling pipe 17.

[0035] A valve baffle 27 is provided below the discharge port 26. Protrusions are provided on the outer wall surface of the valve baffle 27, and a second servo motor 36 is fixedly installed on the outer wall surface of the discharge port 26. The output shaft of the second servo motor 36 is fixedly connected to the protrusion on the outer wall surface of the valve baffle 27.

[0036] It should be noted that a waterproof sealing ring is provided between the discharge port 26 and the valve baffle 27.

[0037] Specifically, by setting the second servo motor 36 fixedly installed on the outer wall surface of the discharge port 26 and the second servo motor 36 being fixedly connected to the protrusion of the valve baffle 27, when discharging is required, the second servo motor 36 operates to drive the valve baffle 27 to rotate.

[0038] A through hole is penetrated at the central position of the valve baffle 27, the discharge pipe 28 is fixedly connected to the valve baffle 27, the bottom end of the outer wall surface of the cylindrical metal filter screen 29 is fixedly connected with a first mounting plate 30 and a second mounting plate 31, the bottom end of the outer wall surface of the discharge pipe 28 is fixedly installed with a third mounting plate and a fourth mounting plate, the first mounting plate 30 and the third mounting plate are in the same vertical direction, the second mounting plate 31 and the fourth mounting plate are in the same vertical direction, and a connecting pipe 15 is connected in a through manner between the cylindrical metal filter screen 29 and the water pump assembly 13. The liquid discharge unit 14 further includes a guide rod 35 and a rack 32, the bottom end of the rack 32 is fixedly connected to the second mounting plate 31, the top end of the rack 32 movably penetrates through the fourth mounting plate, a first servo motor 34 is fixedly installed on the fourth mounting plate, an output shaft of the first servo motor 34 is fixedly connected with a gear 33, the gear 33 is movably engaged with the rack 32, the guide rod 35 is fixedly installed at the top end of the first mounting plate 30, the top end of the guide rod 35 movably penetrates through the third mounting plate and is fixedly connected with a baffle plate, and the baffle plate is located above the third mounting plate.

[0039] It should be noted that the top plates of the cylindrical metal filter screen 29 are connected by a diamond mesh, and a waterproof sealing ring is arranged between the bottom end of the discharge pipe 28 and the cylindrical metal filter screen 29.

[0040] Specifically, by penetrating a through hole at the central position of the valve baffle 27, the discharge pipe 28 is fixedly connected to the valve baffle 27, and the cylindrical metal filter screen 29 movably penetrates through the cavity of the discharge pipe 28. During operation, the first servo motor 34 drives the gear 33 to rotate, the gear 33 drives the rack 32 to rise, the rack 32 is fixedly connected to the second mounting plate 31, and the second mounting plate 31 is fixedly connected to the bottom end of the cylindrical metal filter screen 29. Therefore, during the rising process of the rack 32, the cylindrical metal filter screen 29 rises synchronously, and the cylindrical metal filter screen 29 enters the cavity of the discharge pipe 28. By arranging the guide rod 35 to movably penetrate through the third mounting plate, it plays a role in limiting and guiding the movement of the cylindrical metal filter screen 29, and is convenient for cleaning and dredging the cylindrical metal filter screen 29 after the work is completed.

[0041] The working principle of a multi-stage cooling crystallization tank in this application is as follows: During operation, the stirring motor 12 drives the stirring main shaft 19 to rotate. During the rotation of the stirring main shaft 19, the rectangular plate 20 and the scraper 21 are driven to rotate synchronously through the first connecting rod 22. The scraper 21 is in contact with the inner wall surface of the inner tank 16, enabling the device to not only complete the stirring work but also scrape the crystals on the inner wall surface of the inner tank 16. The second connecting rod 23 is fixedly installed on the outer wall surface of the stirring main shaft 19, and the roller 25 is movably installed in the assembly frame 24. The assembly frame 24 is fixedly connected to the second connecting rod 23. Thus, the stirring main shaft 19 and the inner wall surface of the inner tank 16 are restricted and supported through the second connecting rod 23, the roller 25, and the assembly frame 24, ensuring that the stirring main shaft 19 does not shake during operation and ensuring stability. A through hole is penetrated at the central position of the valve baffle 27, and the discharge pipe 28 is fixedly connected to the valve baffle 27. The cylindrical metal filter screen 29 movably penetrates the cavity of the discharge pipe 28. During operation, the first servo motor 34 drives the gear 33 to rotate, and the gear 33 drives the rack 32 to rise. The rack 32 is fixedly connected to the second mounting plate 31, and the second mounting plate 31 is fixedly connected to the bottom end of the cylindrical metal filter screen 29. Thus, during the rising process of the rack 32, the cylindrical metal filter screen 29 rises synchronously, and the cylindrical metal filter screen 29 enters the cavity of the discharge pipe 28. By setting the guide rod 35 to movably penetrate the third mounting plate, it plays a role in limiting and guiding the movement of the cylindrical metal filter screen 29. After the operation is completed, it is convenient to clean and dredge the cylindrical metal filter screen 29.

[0042] The above shows and describes the basic principles, main features, and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A multi-stage cooling crystallization tank, characterized in that, Comprising: A tank body (10), the tank body (10) being hollow, with support legs (11) fixedly installed at the bottom end of the tank body (10). An inner tank (16) is arranged in the cavity of the tank body (10). A cooling pipe (17) for cooling is arranged on the outer wall surface of the inner tank (16), and a stirring assembly (18) is arranged in the inner tank (16); The stirring assembly (18) includes a stirring main shaft (19), a first connecting rod (22), and a rectangular plate (20). A scraping plate (21) is fixedly connected to one side of the rectangular plate (20) close to the inner wall surface of the inner tank (16). A reinforcement component is arranged between the stirring main shaft (19) and the inner tank (16), and the reinforcement component includes a second connecting rod (23) and a roller (25); A liquid discharging component, the liquid discharging component is arranged at the bottom end of the tank body (10), and the liquid discharging component includes a liquid discharging unit (14), a connecting pipe (15), and a water pump assembly (13). The liquid discharging unit (14) includes a discharging pipe (28) and a cylindrical metal filter screen (29), and the cylindrical metal filter screen (29) is movably clamped with the discharging pipe (28).

2. The multi-stage cooling crystallization tank according to claim 1, wherein: A stirring motor (12) is fixedly installed at the top end of the tank body (10), and the output shaft of the stirring motor (12) is fixedly connected to the top end of the stirring main shaft (19). The first connecting rod (22) is fixedly connected to the outer wall surface of the stirring main shaft (19). The two first connecting rods (22) are commonly connected to the rectangular plate (20) at the ends far from the stirring main shaft (19), and the tip of the scraping plate (21) is in contact with the inner wall surface of the inner tank (16).

3. The multi-stage cooling crystallization tank according to claim 1, wherein: The second connecting rod (23) is fixedly installed on the outer wall surface of the stirring main shaft (19). The number of the second connecting rods (23) is two, and the two second connecting rods (23) are in a symmetric state. Assembly frames (24) are fixedly connected to the ends of the two second connecting rods (23) away from each other, and the roller (25) is movably installed in the cavity of the assembly frame (24) through a pin shaft.

4. The multi-stage cooling crystallization tank according to claim 1, characterized in that: The number of the rectangular plates (20) is two, and the number of the scraping plates (21) is two. The two rectangular plates (20) and the scraping plates (21) are in a symmetric state with each other, and the bottom ends of the two rectangular plates (20) and the scraping plates (21) are bent.

5. The multi-stage cooling crystallization tank according to claim 1, wherein: The water pump assembly (13) is fixedly installed on the outer wall surface of the tank body (10). A discharge port (26) is provided through the bottom end of the tank body (10), and a coolant inlet pipe and a coolant outlet pipe are arranged on the outer wall surface of the tank body (10).

6. The multi-stage cooling crystallization tank according to claim 5, characterized in that: A valve baffle (27) is arranged below the discharge port (26). A protrusion is arranged on the outer wall surface of the valve baffle (27). A second servo motor (36) is fixedly installed on the outer wall surface of the discharge port (26), and the output shaft of the second servo motor (36) is fixedly connected to the protrusion on the outer wall surface of the valve baffle (27).

7. The multi-stage cooling crystallization tank according to claim 6, characterized in that: A through hole is formed through the center position of the valve baffle (27). The discharge pipe (28) is fixedly connected to the valve baffle (27). The bottom end of the outer wall surface of the cylindrical metal filter screen (29) is fixedly connected with a first mounting plate (30) and a second mounting plate (31). The bottom end of the outer wall surface of the discharge pipe (28) is fixedly provided with a third mounting plate and a fourth mounting plate. The first mounting plate (30) and the third mounting plate are in the same vertical direction. The second mounting plate (31) and the fourth mounting plate are in the same vertical direction. A connecting pipe (15) is connected in a through manner between the cylindrical metal filter screen (29) and the water pump assembly (13).

8. The multi-stage cooling crystallization tank according to claim 1, characterized in that: The liquid discharge unit (14) further includes a guide rod (35) and a rack (32). The bottom end of the rack (32) is fixedly connected to the second mounting plate (31). The top end of the rack (32) movably penetrates through the fourth mounting plate. A first servo motor (34) is fixedly installed on the fourth mounting plate. The output shaft of the first servo motor (34) is fixedly connected with a gear (33). The gear (33) is movably engaged with the rack (32). The guide rod (35) is fixedly installed at the top end of the first mounting plate (30). The top end of the guide rod (35) movably penetrates through the third mounting plate and is fixedly connected with a baffle. The baffle is located above the third mounting plate.

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