A concentrated crystallization device and process for improving the crystallization efficiency of acetyltyrosine

By designing support components and liquid membrane components, using centrifuges and threaded rods and other technologies, the problems of large liquid capacity and splashing in acetyl tyrosine crystallization equipment are solved, and the crystallization efficiency and the formation effect of liquid membrane are improved.

CN118873975BActive Publication Date: 2024-12-13NANTONG ZILANG BIOPHARMA TECH CO LTD
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Patent Information

Application Number
CN202411388022.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2024-12-13
Estimated Expiration
2044-10-08

AI Technical Summary

Technical Problem

The existing acetyl tyrosine crystallization equipment has a large liquid capacity for concentrated crystallization, resulting in low crystallization efficiency, and the acetyl tyrosine solution is easily splashed after being thrown out, affecting the formation of the liquid film.

Method used

A concentrated crystallization device including support assembly, liquid membrane assembly and anti-splash assembly was designed. The acetyl tyrosine solution was thrown out onto the liquid membrane cloth through a centrifuge, and the solution was controlled by the cooperation of the threaded rod and the guide block. The speed and liquid film cloth move to prevent splashing, and ensure the normal formation of the liquid film and the collection of crystals through the cooperation of the motor and the spring.

Benefits of technology

It effectively improves the crystallization efficiency of the acetyl tyrosine solution, prevents splashing, ensures the formation of the liquid film and the smooth collection of crystals, and improves the overall crystallization effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a concentrated crystallization device and process for improving the crystallization efficiency of acetyltyrosine, and relates to the technical field of acetyltyrosine production. The present invention includes a support assembly; the support assembly includes a base, the top of the base is fixedly connected with a first vertical plate, the top of the base is fixedly matched with a first annular plate, the outer wall of the first annular plate is provided with a plurality of first through holes, and the inner peripheral side of the first annular plate is rotatably matched with a centrifugal assembly; the centrifugal assembly includes a centrifugal box, and the outer peripheral side of the centrifugal box is provided with a first annular groove. The present invention intermittently throws the acetyltyrosine solution onto an external liquid film cloth through a centrifuge, so that the acetyltyrosine solution forms a liquid film on the liquid film cloth, thereby accelerating the rapid crystallization of the acetyltyrosine solution, and the use of an anti-splashing assembly avoids the phenomenon of splashing after the acetyltyrosine is thrown out, thereby improving the effect of forming a liquid film.
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Description

Technical Field

[0001] The invention belongs to the technical field of acetyltyrosine production, and particularly relates to concentrated crystallization equipment and a process for improving the crystallization efficiency of acetyltyrosine. Background Art

[0002] Tyrosine is a kind of amino acid. The finished product is white crystals or crystalline powder. It is a non-essential amino acid for the human body. Tyrosine is a very important component of the protein in the human body. Many dairy products, meat, fish, wheat, oats and protein foods containing tyrosine contain tyrosine. Tyrosine has a wide range of uses and can be used in medicine, biochemical reagents, and food additives. Acetyltyrosine can be obtained by directly acetylation of tyrosine. The so-called acetylation is the process of transferring the acetyl group in the amino acid to the side chain group of the amino acid. Commonly used acetylation agents include acetyl chloride, acetic anhydride and glacial acetic acid. Acetyltyrosine has the appearance of white crystals or crystalline powder. It is an important fine organic chemical intermediate and is widely used in the fields of medicine, pesticides, and chemical industry.

[0003] The existing acetyltyrosine crystallization equipment concentrates and crystallizes the entire acetyltyrosine solution. Since the total volume of the concentrated and crystallized acetyltyrosine liquid is large, the efficiency of the crystallization of the acetyltyrosine solution is affected.

[0004] To this end, we provide a concentrated crystallization device and process for improving the crystallization efficiency of acetyltyrosine to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a concentrated crystallization device and process for improving the crystallization efficiency of acetyltyrosine. The acetyltyrosine solution is intermittently thrown out onto an external liquid film cloth by a centrifuge so that the acetyltyrosine solution forms a liquid film on the liquid film cloth, thereby accelerating the rapid crystallization of the acetyltyrosine solution. The use of an anti-splashing component avoids the phenomenon of splashing of acetyltyrosine after being thrown out, thereby improving the effect of forming a liquid film, and solving the problem that the existing acetyltyrosine crystallization device concentrates and crystallizes the entire acetyltyrosine solution, and the total amount of acetyltyrosine liquid capacity of the concentrated crystallization is large, thereby affecting the crystallization efficiency of the acetyltyrosine solution.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention provides a concentrated crystallization device for improving the crystallization efficiency of acetyltyrosine, comprising a support assembly; the support assembly comprises a base, a first vertical plate is fixedly connected to the top of the base, a first annular plate is fixedly matched to the top of the base, a plurality of first through holes are provided on the outer wall of the first annular plate, and a centrifugal assembly is rotatably matched to the inner peripheral side surface of the first annular plate; the centrifugal assembly comprises a centrifugal box, a first annular groove is provided on the outer peripheral side surface of the centrifugal box, and a plurality of second through holes matched to the first through holes are penetrated and provided on the inner peripheral side surface of the first annular groove; a liquid membrane assembly is slidably matched to the support assembly, and the liquid membrane assembly comprises a mounting plate slidably matched to the support assembly and located on one side of the plurality of first through holes, a liquid membrane cloth is provided on one side of the mounting plate, and the liquid membrane cloth and the mounting plate are fixedly connected by bolts.

[0008] The top of the base is fixedly matched with an anti-splash assembly, and the anti-splash assembly includes a first transverse plate fixedly connected to a side surface of the first vertical plate, a side surface of the first transverse plate is fixedly connected to a first rotating shaft, an end of the first rotating shaft is fixedly connected to a first spur gear, and a side surface of the first spur gear is fixedly connected to a push rod; the top of the base is symmetrically fixedly connected with a sleeve, a first L-shaped rod is slidably matched inside the sleeve, a rectangular frame is fixedly connected between the two first L-shaped rods, the rectangular frame is slidably sleeved on the peripheral side of the push rod, and one side surface of the rectangular frame is fixedly connected to an extension plate, and the top of the extension plate is slidably connected to The cam is connected to the first sliding block; a connecting rod is fixedly connected to one side of the mounting plate, and a peripheral side surface of the connecting rod is slidably connected to a second horizontal plate fixedly connected to the first vertical plate; an end of the connecting rod is fixedly connected to the second vertical plate, a first spring sleeved on the connecting rod is fixedly connected between the second vertical plate and the second horizontal plate, and a side surface of the second vertical plate is slidably connected to the second sliding block; a second rotating shaft is rotatably connected to one side of the first vertical plate, and a first rotating rod and a second rotating rod are respectively fixedly connected to the peripheral side surfaces of the second rotating shaft, the first rotating rod and the first sliding block are hingedly connected, and the second rotating rod and the second sliding block are hingedly connected.

[0009] The present invention is further configured as follows: the support assembly also includes a first L-shaped plate fixedly connected to the top of the base, and one side of the first L-shaped plate is fixedly connected to a second annular plate that rotates with the centrifuge box; the top of the first L-shaped plate is fixedly connected to a second L-shaped rod, and the second L-shaped rod and the first annular plate are fixedly connected; the bottom of the first annular plate is hingedly connected to a liquid guide plate connected by a torque spring, and the two opposite sides of the liquid guide plate are fixedly connected to the first side plate, and one side of the liquid guide plate is provided with a notch, and an inner side of the notch is hingedly connected to a plurality of liquid guide rods connected by a torque spring, and the liquid guide rods are in conflict with the liquid film cloth.

[0010] The present invention is further configured such that the centrifugal assembly also includes a second annular groove provided on the outer peripheral side of the centrifugal box, the second annular groove is adapted to the second annular plate, a plurality of support rods in a circular array are fixedly connected to the top of the base, the plurality of support rods are all slidably matched with the bottom of the centrifugal box, and a liquid injection tube is provided at the top of the centrifugal box.

[0011] The present invention is further configured such that the top of the base is rotatably cooperated with a power assembly for rotating the centrifuge box, and the power assembly includes a first transmission rod rotatably connected to the top of the base, wherein a first connecting plate is fixedly connected between two adjacent support rods, a side surface of the first connecting plate is fixedly connected to a reducer, and the input end of the reducer is fixedly connected to the first transmission rod; the output shaft of the reducer is fixedly connected to a first sleeve, and the peripheral side surface of the first sleeve is symmetrically fixedly connected with a guide block, a threaded rod extending to the interior of the centrifuge box is slidably connected between the two guide blocks, and the peripheral side surface of the threaded rod is symmetrically provided with guide grooves that slide with the guide blocks, and the top end of the threaded rod is rotatably connected to a lifting plate that slides with the inner peripheral side surface of the centrifuge box.

[0012] A second connecting plate is fixedly connected between two adjacent support rods, one side of the second connecting plate is fixedly connected with a receiving plate threadedly connected to the peripheral side of the threaded rod, and the outer bottom of the centrifugal box is fixedly connected with a second sleeve sleeved on the threaded rod; the peripheral side of the first transmission rod is fixedly connected with the first bevel gear, the outer peripheral side of the second sleeve is fixedly connected with the second bevel gear, one side of the first vertical plate is fixedly connected with the third cross plate, one side of the third cross plate is rotatably connected with the second transmission rod, and one end of the second transmission rod is fixedly connected with the third bevel gear meshed with the first bevel gear and the second bevel gear; the top of the base is fixedly connected with the first fixed rod, the top of the first fixed rod is fixedly connected with the motor connected through the motor seat, the output shaft of the motor is fixedly connected with the second spur gear, and the peripheral side of the second transmission rod is fixedly connected with the third spur gear meshed with the first spur gear and the second spur gear; the other end of the second transmission rod is fixedly connected with a circular plate, and the peripheral side of the circular plate is slidably inserted with a top rod connected by a spring.

[0013] The present invention is further configured as follows: the liquid membrane assembly also includes a third slider slidably connected to two opposite side surfaces of the mounting plate, one side of the third slider is fixedly connected to a second L-shaped plate, one side of the second L-shaped plate is fixedly connected to a second side plate, and the third slider and the mounting plate are fixedly connected by bolts; a collecting box is provided at the bottom of the mounting plate, and the collecting box and the mounting plate are fixedly connected by bolts, one side of the first vertical plate is slidably connected to a movable plate, and the movable plate and the mounting plate are fixedly connected.

[0014] The present invention is further configured as follows: the top of the mounting plate is fixedly cooperated with a scraper assembly, the scraper assembly includes a slide plate slidably connected to a side surface of the mounting plate, the top of the mounting plate is symmetrically fixedly connected to two groups of guide wheels, a first traction rope is arranged between two guide wheels in one group, and one end of the first traction rope is fixedly connected to the slide plate; the top of the mounting plate is symmetrically fixedly connected to a fixing plate, the bottom of the fixing plate is fixedly connected to a guide rod, a scraper that is in sliding contact with the liquid film cloth is slidably connected between the two guide rods, the bottom end of the guide rod is fixedly connected to a limiting plate, and the other end of the first traction rope is fixedly connected to the scraper; an extension rod is fixedly connected to one side surface of the mounting plate, the end of the extension rod is fixedly connected to a special-shaped conduit, and the bottom of the slide plate is fixedly connected to a second traction rope that passes through the special-shaped conduit.

[0015] The present invention is further configured such that a traction assembly is fixedly fitted on the top of the base, and the traction assembly includes a second fixed rod fixedly connected to the top of the base, the top end of the second fixed rod is fixedly connected to an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a cylindrical tube that slides with the top rod, and one end of the cylindrical tube is arranged in a trumpet shape; a plurality of grooves that slide with the top rod are provided on the inner circumferential side surface of the cylindrical tube, and a winding roller is fixedly connected to the outer circumferential side surface of the cylindrical tube, and one end of the second traction rope is wound around the outer circumferential side surface of the winding roller.

[0016] The present invention also includes a process for a concentrated crystallization device for improving the crystallization efficiency of acetyltyrosine, characterized in that it comprises the following steps:

[0017] S01: First, the centrifugal box is controlled to rotate so as to generate centrifugal force in the centrifugal box, so that the acetyltyrosine solution in the centrifugal box is intermittently thrown out from the first through hole onto the liquid membrane cloth on the liquid membrane assembly as the centrifugal box rotates;

[0018] S02: Then, as the amount of acetyltyrosine solution thrown out gradually increases, the acetyltyrosine solution will form a liquid film on the liquid film cloth and quickly form crystals;

[0019] S03: Then, the cylindrical tube on the traction assembly is controlled to cooperate with the push rod on the circular plate, so that the circular plate and the push rod are driven to rotate through the rotation of the second transmission rod, and then the cylindrical tube is driven to rotate, and the winding roller is further driven to rotate, so that the winding roller winds up the second traction rope, thereby driving the slide plate and the scraper to move upward, completing the scraping of the adhered crystals on the liquid film cloth, and then completing the collection of acetyltyrosine crystals.

[0020] The present invention has the following beneficial effects:

[0021] 1. The present invention drives the mounting plate to move rightward by a connecting rod, thereby driving the liquid film cloth to move rightward, so that in the process of acetyltyrosine solution being thrown on the liquid film cloth, the speed of the liquid film cloth moving to the right is less than the speed of the acetyltyrosine solution being thrown toward the liquid film cloth. The acetyltyrosine solution and the liquid film cloth move in the same direction, which can effectively prevent the acetyltyrosine solution from splashing on the liquid film cloth, thereby improving the effect of the acetyltyrosine solution forming a liquid film on the liquid film cloth, thereby improving the crystallization effect.

[0022] 2. The present invention rotates the threaded rod, which moves upward along the receiving plate, thereby driving the lifting plate to move upward, so that the lifting plate drives the acetyltyrosine solution to lift upward, thereby ensuring that the acetyltyrosine solution can be smoothly thrown out from the first through hole, thereby ensuring the normal formation of the liquid film.

[0023] 3. The present invention drives the cylindrical tube to move leftward by an electric telescopic rod. When the cylindrical tube moves to contact the push rod, the push rod is gathered toward the circular part of the circular plate along the trumpet-shaped arc surface of the cylindrical tube. The cylindrical tube is continuously controlled to move leftward, so that the push rod is relatively moved to the inside of the cylindrical tube. At the same time, with the rotation of the circular plate and the action of the spring elastic force, the push rod is clamped in the corresponding clamping groove, thereby driving the cylindrical tube and the circular plate to rotate together, thereby driving the winding roller to rotate, and providing power for the winding roller to reel in the second traction rope.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0026] Figure 1 The figure is a schematic diagram of the three-dimensional structure of a concentrated crystallization device for improving the crystallization efficiency of acetyltyrosine.

[0027] Figure 2 It is a schematic diagram of the three-dimensional structure of the support assembly in the present invention.

[0028] Figure 3 It is a schematic diagram of the three-dimensional structure of the liquid guide plate in the present invention.

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the centrifugal assembly in the present invention.

[0030] Figure 5 It is a schematic diagram of the three-dimensional structure of the liquid membrane assembly in the present invention.

[0031] Figure 6 for Figure 5 Schematic diagram of the rear view stereo structure.

[0032] Figure 7 It is a schematic diagram of the three-dimensional structure of the splash-proof assembly in the present invention.

[0033] Figure 8 for Figure 7 Enlarged view of point A in the middle.

[0034] Fig. 9 It is a schematic diagram of the three-dimensional structure of the power component in the present invention.

[0035] Fig.10 It is a schematic diagram of the structure of the fitting part between the centrifugal assembly and the power assembly in the present invention.

[0036] Fig.11 for Fig.10 Enlarged view of point B in the middle.

[0037] Fig.12 It is a schematic structural diagram of the connection between the threaded rod and the guide groove in the present invention.

[0038] Fig.13 It is a schematic diagram of the three-dimensional structure of the scraper assembly in the present invention.

[0039] Fig.14 It is a schematic diagram of the three-dimensional structure of the matching part between the liquid film component, the anti-splashing component and the scraper component in the present invention.

[0040] Fig.15 It is a schematic diagram of the three-dimensional structure of the traction assembly in the present invention.

[0041] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0042] 1-support assembly, 101-base, 102-first vertical plate, 103-first annular plate, 104-first through hole, 105-first L-shaped plate, 106-second annular plate, 107-second L-shaped rod, 108-liquid guide plate, 109-first side plate, 110-notch, 111-liquid guide rod, 2-centrifugal assembly, 201-centrifugal box, 202-first annular groove, 203-second through hole, 204-second annular groove, 205-support rod, 206-liquid injection tube, 3-liquid membrane assembly, 301-mounting plate, 302 -liquid film cloth, 303-third slider, 304-second L-shaped plate, 305-second side plate, 306-collection box, 307-moving plate, 4-splash-proof assembly, 401-first horizontal plate, 402-first rotating shaft, 403-first straight gear, 404-retaining rod, 405-sleeve, 406-first L-shaped rod, 407-rectangular frame, 408-extension plate, 409-first slider, 410-connecting rod, 411-second horizontal plate, 412-second vertical plate, 413-first spring, 414-second slider, 415-first Second rotating shaft, 416-first rotating rod, 417-second rotating rod, 5-power assembly, 501-first transmission rod, 502-first connecting plate, 503-reducer, 504-first sleeve, 505-guide block, 506-threaded rod, 507-guide groove, 508-lifting plate, 509-second connecting plate, 510-supporting plate, 511-second sleeve, 512-first bevel gear, 513-second bevel gear, 514-third horizontal plate, 515-second transmission rod, 516-third bevel gear, 517-first fixed Rod, 518-motor, 519-second spur gear, 520-third spur gear, 521-circular plate, 522-top rod, 6-scraper assembly, 601-slide plate, 602-guide wheel, 603-first traction rope, 604-fixed plate, 605-guide rod, 606-scraper, 607-limiting plate, 608-extension rod, 609-special-shaped catheter, 610-second traction rope, 7-traction assembly, 701-second fixed rod, 702-electric telescopic rod, 703-cylindrical tube, 704-slot, 705-winding roller. DETAILED DESCRIPTION

[0043] 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.

[0044] For example, see Figure 1-15The present invention provides the following technical solutions: a concentrated crystallization device for improving the crystallization efficiency of acetyltyrosine, comprising a support assembly 1; the support assembly 1 comprises a base 101, a first vertical plate 102 is fixedly connected to the top of the base 101, a first annular plate 103 is fixedly matched to the top of the base 101, and a plurality of first through holes 104 are provided on the outer wall of the first annular plate 103; the support assembly 1 also comprises a first L-shaped plate 105 fixedly connected to the top of the base 101, a second annular plate 106 which is rotatably matched with a centrifugal box 201 is fixedly connected to one side of the first L-shaped plate 105; a second L-shaped rod 107 is fixedly connected to the top of the first L-shaped plate 105, and the second L-shaped rod 107 and the first annular plate 103 are fixedly connected; a liquid guide plate 108 connected by a torque spring is hingedly connected to the bottom of the first annular plate 103, and the opposite sides of the liquid guide plate 108 are fixed A first side plate 109 is connected, a notch 110 is provided on one side of the liquid guide plate 108, and an inner side surface of the notch 110 is hingedly connected to a plurality of liquid guide rods 111 connected by a torque spring; the inner peripheral side surface of the first annular plate 103 is rotatably matched with the centrifugal assembly 2; the centrifugal assembly 2 also includes a second annular groove 204 provided on the outer peripheral side surface of the centrifugal box 201, the second annular groove 204 is adapted to the second annular plate 106, and a plurality of support rods 205 in a circular array are fixedly connected to the top of the base 101, and the plurality of support rods 205 are all slidably matched with the bottom of the centrifugal box 201, and a liquid injection tube 206 is connected to the top of the centrifugal box 201; the centrifugal assembly 2 includes a centrifugal box 201, a first annular groove 202 is provided on the outer peripheral side surface of the centrifugal box 201, and a plurality of second through holes 203 adapted to the first through hole 104 are penetrated through the inner peripheral side surface of the first annular groove 202.

[0045] The support component 1 is slidably matched with a liquid membrane component 3, and the liquid membrane component 3 includes a mounting plate 301 that is slidably matched with the support component 1 and is located on one side of the plurality of first through holes 104 (heating wires connected by wires are distributed inside the mounting plate 301 to accelerate the crystallization of the acetyltyrosine liquid film on the liquid membrane cloth 302), and a liquid membrane cloth 302 is arranged on one side of the mounting plate 301, and the liquid membrane cloth 302 and the mounting plate 301 are fixedly connected by bolts; the liquid membrane component 3 also includes a third slider 303 that is slidably connected to the two opposite sides of the mounting plate 301, and a second L-shaped plate 304 is fixedly connected to one side of the third slider 303, and a second side plate 305 is fixedly connected to one side of the second L-shaped plate 304, and the third slider 303 and the mounting plate 3 01 are fixedly connected by bolts; a collecting box 306 is provided at the bottom of the mounting plate 301, and the collecting box 306 and the mounting plate 301 are fixedly connected by bolts, a movable plate 307 is slidably connected to one side of the first vertical plate 102, the movable plate 307 and the mounting plate 301 are fixedly connected, and the liquid guiding rod 111 is in conflict with the liquid film cloth 302; the top of the base 101 is fixedly matched with an anti-splash component 4, the anti-splash component 4 includes a first horizontal plate 401 fixedly connected to one side surface of the first vertical plate 102, a first rotating shaft 402 is fixedly connected to one side of the first horizontal plate 401, a first rotating shaft 402 is fixedly connected to the end of the first rotating shaft 402, and a first straight gear 403 is fixedly connected to one side of the first straight gear 403. A push rod 404 is fixedly connected.

[0046] A sleeve 405 is symmetrically fixedly connected to the top of the base 101, and a first L-shaped rod 406 is slidably fitted inside the sleeve 405. A rectangular frame 407 is fixedly connected between the two first L-shaped rods 406. The rectangular frame 407 is slidably sleeved on the peripheral side of the support rod 404. An extension plate 408 is fixedly connected to one side of the rectangular frame 407, and a first slider 409 is slidably connected to the top of the extension plate 408; a connecting rod 410 is fixedly connected to one side of the mounting plate 301, and a second horizontal plate 411 fixedly connected to the first vertical plate 102 is slidably connected to the peripheral side of the connecting rod 410 A second vertical plate 412 is fixedly connected to the end of the connecting rod 410, a first spring 413 sleeved on the connecting rod 410 is fixedly connected between the second vertical plate 412 and the second horizontal plate 411, and a second slider 414 is slidably connected to one side of the second vertical plate 412; a second rotating shaft 415 is rotatably connected to one side of the first vertical plate 102, and a first rotating rod 416 and a second rotating rod 417 are fixedly connected to the side surfaces of the second rotating shaft 415 respectively, the first rotating rod 416 and the first slider 409 are hingedly connected, and the second rotating rod 417 and the second slider 414 are hingedly connected.

[0047] The operation process of this embodiment is as follows: first, the centrifugal box 201 is controlled to rotate so as to generate centrifugal force in the centrifugal box 201, and then the acetyltyrosine solution in the centrifugal box 201 is intermittently thrown out from the first through hole 104 to the liquid film cloth 302 on the liquid film assembly 3 as the centrifugal box 201 rotates (the acetyltyrosine solution can be thrown out to the liquid film cloth 302 only when the second through hole 203 on the centrifugal box 201 rotates to coincide with the first through hole 104 on the first annular plate 103, so as to avoid excessive throwing out of the acetyltyrosine solution and affecting the effect of forming a liquid film on the liquid film cloth 302). The use of the liquid guide plate 108 can prevent the acetyltyrosine solution from forming droplets from the bottom of the first annular plate 103 and dripping on the ground, thereby causing waste of the acetyltyrosine solution. The use of the liquid guide rod 111 can make the acetyltyrosine solution in the liquid guide plate 108 be more evenly guided to the liquid film cloth 302.

[0048] In the process of the acetyltyrosine solution being thrown out from the first through hole 104 to the liquid film cloth 302, the first rotating rod 416 is synchronously rotated, so that the first rotating rod 416 drives the first spur gear 403 to rotate, and further drives the stopper rod 404 to rotate, so that the stopper rod 404 moves along the inner wall of the rectangular frame 407, thereby driving the rectangular frame 407 to move up and down reciprocatingly. In the process of the rectangular frame 407 moving upward, the extension plate 408 is driven to move upward, and then the first rotating rod 416 is driven, and the second rotating shaft 415 is further driven to rotate clockwise, so that the second rotating shaft 415 drives the second rotating rod 417 to rotate clockwise. , thereby driving the second vertical plate 412 to move rightward, and then the vertical plate 412 drives the mounting plate 301 to move rightward through the connecting rod 410, thereby driving the liquid film cloth 302 to move rightward, so that in the process of the acetyltyrosine solution being thrown on the liquid film cloth 302, the speed of the liquid film cloth 302 moving to the right is less than the speed of the acetyltyrosine solution being thrown onto the liquid film cloth 302, and the acetyltyrosine solution and the liquid film cloth 302 moving in the same direction can effectively prevent the acetyltyrosine solution from splashing on the liquid film cloth 302, thereby improving the effect of the acetyltyrosine solution forming a liquid film on the liquid film cloth 302, thereby improving the crystallization effect (such as Figure 2 , 4 , 5, 7, and 8).

[0049] For example 2, please refer to Figure 1-15The second embodiment is improved on the basis of the first embodiment as follows: the top of the base 101 is rotatably matched with a power assembly 5 for rotating the centrifugal box 201, and the power assembly 5 includes a first transmission rod 501 rotatably connected to the top of the base 101, wherein a first connecting plate 502 is fixedly connected between two adjacent support rods 205, and a reducer 503 is fixedly connected to one side of the first connecting plate 502, and the input end of the reducer 503 is fixedly connected to the first transmission rod 501; the output shaft of the reducer 503 is fixedly connected to a first sleeve 504, and the first sleeve The side surfaces of the support rods 504 are symmetrically fixedly connected with guide blocks 505, and a threaded rod 506 extending into the interior of the centrifuge box 201 is slidably connected between the two guide blocks 505. The side surfaces of the threaded rods 506 are symmetrically provided with guide grooves 507 that slide with the guide blocks 505, and the top of the threaded rods 506 is rotatably connected with a lifting plate 508 that slides with the inner side surfaces of the centrifuge box 201; a second connecting plate 509 is fixedly connected between two adjacent support rods 205, and one side of the second connecting plate 509 is fixedly connected with a threaded connecting plate 508 that is threadedly connected to the side surfaces of the threaded rods 506. The receiving plate 510 of the centrifugal box 201 is fixedly connected to the outer bottom of the centrifugal box 201 with a second sleeve 511 sleeved on the threaded rod 506; the peripheral side of the first transmission rod 501 is fixedly connected to the first bevel gear 512, the outer peripheral side of the second sleeve 511 is fixedly connected to the second bevel gear 513, one side of the first vertical plate 102 is fixedly connected to the third horizontal plate 514, one side of the third horizontal plate 514 is rotatably connected to the second transmission rod 515, and one end of the second transmission rod 515 is fixedly connected to the third bevel gear 512 and the second bevel gear 513 that meshes with each other. Three-bevel gear 516; a first fixed rod 517 is fixedly connected to the top of the base 101, a motor 518 connected via a motor seat is fixedly connected to the top of the first fixed rod 517, a second spur gear 519 is fixedly connected to the output shaft of the motor 518, a third spur gear 520 meshing with the first spur gear 403 and the second spur gear 519 is fixedly connected to the circumferential side of the second transmission rod 515; the other end of the second transmission rod 515 is fixedly connected to a circular plate 521, a top rod 522 connected via a spring is slidably inserted into the circumferential side of the circular plate 521.

[0050] The operation process of this embodiment is as follows: by starting the motor 518, the driving end of the motor 518 drives the second spur gear 519 to rotate, so that the second spur gear 519 drives the third spur gear 520 meshing with it to rotate, and synchronously, through the rotation of the third spur gear 520, the first spur gear 403 meshing with it is driven to rotate, providing power for the rotation of the first spur gear 403, and through the rotation of the third spur gear 520, the second transmission rod 515 is further driven to rotate, thereby driving the third bevel gear 516 and the circular plate 521 to rotate, and the rotation of the third bevel gear 516 further drives the first bevel gear 512 and the second bevel gear 513 to rotate, and the rotation of the second bevel gear 513 drives the centrifugal box 201 to rotate, providing power for the rotation of the centrifugal box 201.

[0051] At the same time, the first bevel gear 512 rotates, further driving the first transmission rod 501 to rotate. The rotation of the first transmission rod 501 reduces the rotation speed of the first sleeve 504 through the use of the reducer 503. The first sleeve 504 further rotates, driving the threaded rod 506 to rotate. The threaded rod 506 moves upward along the receiving plate 510, and then drives the lifting plate 508 to move upward, so that the lifting plate 508 drives the acetyltyrosine solution to lift upward, thereby ensuring that the acetyltyrosine solution can be smoothly thrown out from the first through hole 104, thereby ensuring the normal formation of the liquid film (such as Fig. 9 , 10 , 11, and 12).

[0052] For example 3, please refer to Figure 1-15 The third embodiment of the present invention is improved on the basis of the first embodiment as follows: the top of the mounting plate 301 is fixedly matched with a scraper assembly 6, and the scraper assembly 6 includes a slide plate 601 slidably connected to a side of the mounting plate 301; the top of the mounting plate 301 is symmetrically fixedly connected with two groups of guide wheels 602, and a first traction rope 603 is arranged between the two guide wheels 602 in one group, and one end of the first traction rope 603 is fixedly connected to the slide plate 601; the top of the mounting plate 301 is symmetrically fixedly connected with a fixed plate 604, and the bottom of the fixed plate 604 is fixedly connected with a guide rod 605, and the two guide rods A scraper 606 that is in sliding contact with the liquid film cloth 302 is slidably connected between 605 (the scraper 606 itself has a certain weight to ensure that it can automatically reset to the initial position when not subjected to force), the bottom end of the guide rod 605 is fixedly connected to a limiting plate 607, and the other end of the first traction rope 603 is fixedly connected to the scraper 606; an extension rod 608 is fixedly connected to one side of the mounting plate 301, and the end of the extension rod 608 is fixedly connected to a special-shaped conduit 609, and the bottom of the slide plate 601 is fixedly connected to a second traction rope 610 that passes through the special-shaped conduit 609.

[0053] The operation process of this embodiment is: by pulling the second traction rope 610 downward, the second traction rope 610 drives the slide plate 601 to move downward, and the slide plate 601 pulls the first traction rope 603, and then the scraper 606 is driven by the first traction rope 603 to move upward along the surface of the liquid film cloth 302, thereby completing the scraping of the acetyltyrosine crystals on the liquid film cloth 302, and the crystals are collected in the collection box 306.

[0054] Example 4, please refer to Figure 1-15 The fourth embodiment of the present invention is improved on the basis of the first embodiment as follows: the top of the base 101 is fixedly matched with a traction assembly 7, and the traction assembly 7 includes a second fixed rod 701 fixedly connected to the top of the base 101, and the top of the second fixed rod 701 is fixedly connected to an electric telescopic rod 702, and the output end of the electric telescopic rod 702 is fixedly connected to a cylindrical tube 703 that slides with the top rod 522, and one end of the cylindrical tube 703 is arranged in a trumpet shape; the inner side surface of the cylindrical tube 703 is provided with a plurality of card grooves 704 that slide with the top rod 522, and the outer side surface of the cylindrical tube 703 is fixedly connected with a winding roller 705, and one end of the second traction rope 610 is wound around the outer side surface of the winding roller 705.

[0055] The operation process of this embodiment is as follows: (in the initial state, the cylindrical tube 703 is out of contact with the push rod 522 on the circular plate 521). After the crystals on the liquid film cloth 302 are formed, the electric telescopic rod 702 is started (the speed of the motor 518 is controlled synchronously), so that the electric telescopic rod 702 drives the cylindrical tube 703 to move to the left. When the cylindrical tube 703 moves to contact the push rod 522, the push rod 522 is gathered along the trumpet-shaped arc surface of the cylindrical tube 703 to the circular part of the circular plate 521 (at this time, the spring connected to the push rod 522 is compressed). The cylindrical tube 703 is continued to be controlled to move to the left, so that the push rod 522 moves relatively to the inside of the cylindrical tube 703. At the same time, with the rotation of the circular plate 521 and the action of the spring elastic force, the push rod 522 is clamped in the corresponding clamping groove 704, thereby driving the cylindrical tube 703 and the circular plate 521 to rotate together, thereby driving the winding roller 705 to rotate, and providing power for the winding roller 705 to wind up the second traction rope 610.

[0056] The working principle of the present invention is:

[0057] First, start the motor 518. The driving end of the motor 518 drives the second spur gear 519 to rotate, so that the second spur gear 519 drives the third spur gear 520 meshing with it to rotate. Synchronously, the rotation of the third spur gear 520 drives the first spur gear 403 meshing with it to rotate, providing power for the rotation of the first spur gear 403. The rotation of the third spur gear 520 further drives the second transmission rod 515 to rotate, thereby driving the third bevel gear 516 and the circular plate 521 to rotate. The rotation of the third bevel gear 516 further drives the first bevel gear 512 and the second bevel gear 513 to rotate. The rotation of the second bevel gear 513 drives the centrifugal box 201 to rotate, providing power for the rotation of the centrifugal box 201.

[0058] At the same time, the first bevel gear 512 rotates, further driving the first transmission rod 501 to rotate. The rotation of the first transmission rod 501 reduces the rotation speed of the first sleeve 504 through the use of the reducer 503. The rotation of the first sleeve 504 further drives the threaded rod 506 to rotate. The threaded rod 506 will move upward along the receiving plate 510, and then drive the lifting plate 508 to move upward, so that the lifting plate 508 drives the acetyltyrosine solution to lift upward, thereby ensuring that the acetyltyrosine solution can be smoothly thrown out from the first through hole 104, thereby ensuring the normal formation of the liquid film.

[0059] The centrifugal box 201 rotates to generate centrifugal force in the centrifugal box 201, so that the acetyltyrosine solution in the centrifugal box 201 is intermittently thrown out from the first through hole 104 to the liquid film cloth 302 on the liquid film assembly 3 as the centrifugal box 201 rotates (the acetyltyrosine solution can be thrown out to the liquid film cloth 302 only when the second through hole 203 on the centrifugal box 201 rotates to coincide with the first through hole 104 on the first annular plate 103, so as to avoid excessive throwing out of the acetyltyrosine solution and affecting the effect of forming a liquid film on the liquid film cloth 302). The use of the liquid guide plate 108 can prevent the acetyltyrosine solution from forming droplets from the bottom of the first annular plate 103 and dripping on the ground, thereby causing waste of the acetyltyrosine solution. The use of the liquid guide rod 111 can make the acetyltyrosine solution in the liquid guide plate 108 more evenly guided to the liquid film cloth 302.

[0060] During the process of the acetyltyrosine solution being thrown out from the first through hole 104 to the liquid film cloth 302, the first rotating rod 416 is synchronously rotated to drive the first spur gear 403 to rotate, and further drive the stopper 404 to rotate, so that the stopper 404 moves along the inner wall of the rectangular frame 407, thereby driving the rectangular frame 407 to move up and down reciprocatingly. During the upward movement of the rectangular frame 407, the extension plate 408 is driven to move upward, thereby driving the first rotating rod 416, further driving the second rotating shaft 415 to rotate clockwise, so that the second rotating shaft 415 drives the second rotating rod 417 to rotate clockwise. The second vertical plate 412 moves to the right, and then the vertical plate 412 drives the mounting plate 301 to move to the right through the connecting rod 410, thereby driving the liquid film cloth 302 to move to the right, so that in the process of the acetyltyrosine solution being thrown on the liquid film cloth 302, the speed of the liquid film cloth 302 moving to the right is lower than the speed of the acetyltyrosine solution being thrown onto the liquid film cloth 302. The acetyltyrosine solution and the liquid film cloth 302 move in the same direction, which can effectively prevent the acetyltyrosine solution from splashing on the liquid film cloth 302, thereby improving the effect of the acetyltyrosine solution in forming a liquid film on the liquid film cloth 302, thereby improving the crystallization effect.

[0061] After the crystals are formed on the liquid film cloth 302, the electric telescopic rod 702 is started (the speed of the motor 518 is controlled synchronously), so that the electric telescopic rod 702 drives the cylindrical tube 703 to move to the left. When the cylindrical tube 703 moves to contact the top rod 522, the top rod 522 is gathered along the horn-shaped arc surface of the cylindrical tube 703 toward the circular part of the circular plate 521 (the spring connected to the top rod 522 is compressed at this time), and the cylindrical tube 703 is continued to be controlled to move to the left, so that the top rod 522 moves relatively to the inside of the cylindrical tube 703. At the same time, with the rotation of the circular plate 521 and the action of the spring elastic force, the top rod 522 is clamped in the corresponding clamping groove 704, thereby driving the cylindrical tube 703 and the circular plate 521 to rotate together, thereby driving the winding roller 705 to rotate, and providing power for the winding roller 705 to reel in the second traction rope 610.

[0062] The second traction rope 610 drives the slide plate 601 to move downward, so that the slide plate 601 pulls the first traction rope 603, and then the first traction rope 603 drives the scraper 606 to move upward along the surface of the liquid film cloth 302, thereby completing the scraping of the acetyltyrosine crystals on the liquid film cloth 302, and the crystals are collected in the collection box 306.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A concentrated crystallization device for improving the crystallization efficiency of acetyltyrosine, comprising a support assembly (1); characterized in that: The support assembly (1) comprises a base (101), the top of the base (101) is fixedly connected to a first vertical plate (102), the top of the base (101) is fixedly matched with a first annular plate (103), the outer wall of the first annular plate (103) is provided with a plurality of first through holes (104), and the inner circumferential side surface of the first annular plate (103) is rotatably matched with a centrifugal assembly (2); The centrifugal assembly (2) comprises a centrifugal box (201), the outer peripheral side surface of the centrifugal box (201) is provided with a first annular groove (202), and the inner peripheral side surface of the first annular groove (202) is penetrated by a plurality of second through holes (203) adapted to the first through holes (104); The support assembly (1) is slidably fitted with a liquid membrane assembly (3), the liquid membrane assembly (3) comprising a mounting plate (301) slidably fitted with the support assembly (1) and located on one side of the plurality of first through holes (104), a liquid membrane cloth (302) being provided on one side of the mounting plate (301), the liquid membrane cloth (302) and the mounting plate (301) being fixedly connected by bolts; The top of the base (101) is fixedly fitted with an anti-splash assembly (4), the anti-splash assembly (4) comprising a first horizontal plate (401) fixedly connected to a side surface of the first vertical plate (102), a first rotating shaft (402) fixedly connected to one side surface of the first horizontal plate (401), a first spur gear (403) fixedly connected to the end of the first rotating shaft (402), and a stop rod (404) fixedly connected to one side surface of the first spur gear (403); A sleeve (405) is symmetrically fixedly connected to the top of the base (101), a first L-shaped rod (406) is slidably fitted inside the sleeve (405), a rectangular frame (407) is fixedly connected between the two first L-shaped rods (406), the rectangular frame (407) is slidably sleeved on the peripheral side surface of the support rod (404), an extension plate (408) is fixedly connected to one side surface of the rectangular frame (407), and a first sliding block (409) is slidably connected to the top of the extension plate (408); A connecting rod (410) is fixedly connected to one side of the mounting plate (301); a second horizontal plate (411) fixedly connected to the first vertical plate (102) is slidably connected to the peripheral side of the connecting rod (410); a second vertical plate (412) is fixedly connected to the end of the connecting rod (410); a first spring (413) sleeved on the connecting rod (410) is fixedly connected between the second vertical plate (412) and the second horizontal plate (411); and a second sliding block (414) is slidably connected to one side of the second vertical plate (412); A second rotating shaft (415) is rotatably connected to one side of the first vertical plate (102); a first rotating rod (416) and a second rotating rod (417) are respectively fixedly connected to the peripheral side of the second rotating shaft (415); the first rotating rod (416) and the first sliding block (409) are hingedly connected; and the second rotating rod (417) and the second sliding block (414) are hingedly connected; The support assembly (1) further comprises a first L-shaped plate (105) fixedly connected to the top of the base (101), and a second annular plate (106) rotatably matched with the centrifugal box (201) is fixedly connected to one side of the first L-shaped plate (105); A second L-shaped rod (107) is fixedly connected to the top of the first L-shaped plate (105), and the second L-shaped rod (107) is fixedly connected to the first annular plate (103); The bottom of the first annular plate (103) is hingedly connected to a liquid guide plate (108) connected via a torque spring, and two opposite side surfaces of the liquid guide plate (108) are fixedly connected to first side plates (109), a notch (110) is provided on one side of the liquid guide plate (108), and a plurality of liquid guide rods (111) connected via a torque spring are hingedly connected to an inner side surface of the notch (110), and the liquid guide rods (111) are in contact with the liquid film cloth (302); The centrifugal assembly (2) further comprises a second annular groove (204) formed on the outer peripheral side of the centrifugal box (201), the second annular groove (204) being adapted to fit the second annular plate (106), a plurality of support rods (205) arranged in a circular array being fixedly connected to the top of the base (101), the plurality of support rods (205) all being slidably matched with the bottom of the centrifugal box (201), and a liquid injection pipe (206) being arranged in communication with the top of the centrifugal box (201); The top of the base (101) is rotatably matched with a power assembly (5) for rotating the centrifugal box (201), the power assembly (5) comprising a first transmission rod (501) rotatably connected to the top of the base (101), wherein a first connecting plate (502) is fixedly connected between two adjacent support rods (205), a reducer (503) is fixedly connected to one side of the first connecting plate (502), and an input end of the reducer (503) is fixedly connected to the first transmission rod (501); The output shaft of the reducer (503) is fixedly connected to a first sleeve (504); a guide block (505) is symmetrically fixedly connected to the peripheral side surface of the first sleeve (504); a threaded rod (506) extending into the interior of the centrifugal box (201) is slidably connected between the two guide blocks (505); guide grooves (507) slidably matched with the guide blocks (505) are symmetrically provided on the peripheral side surface of the threaded rod (506); and a lifting plate (508) slidably matched with the inner peripheral side surface of the centrifugal box (201) is rotatably connected to the top end of the threaded rod (506); A second connecting plate (509) is fixedly connected between two adjacent support rods (205); a receiving plate (510) threadedly connected to a peripheral side of the threaded rod (506) is fixedly connected to one side of the second connecting plate (509); and a second sleeve (511) sleeved on the threaded rod (506) is fixedly connected to the outer bottom of the centrifugal box (201); The first transmission rod (501) is fixedly connected to a first bevel gear (512) on a peripheral side surface, the second sleeve (511) is fixedly connected to a second bevel gear (513) on an outer peripheral side surface, the first vertical plate (102) is fixedly connected to a third horizontal plate (514) on one side surface, the second transmission rod (515) is rotatably connected to a second horizontal plate (514) through one side surface, and the second transmission rod (515) is fixedly connected to a third bevel gear (516) meshing with the first bevel gear (512) and the second bevel gear (513) on one end; A first fixing rod (517) is fixedly connected to the top of the base (101); a motor (518) connected via a motor seat is fixedly connected to the top of the first fixing rod (517); a second spur gear (519) is fixedly connected to the output shaft of the motor (518); and a third spur gear (520) meshing with the first spur gear (403) and the second spur gear (519) is fixedly connected to the circumferential side of the second transmission rod (515); The other end of the second transmission rod (515) is fixedly connected to a circular plate (521), and a push rod (522) connected via a spring is slidably inserted into the peripheral side surface of the circular plate (521).

2. A concentration and crystallization device for improving the crystallization efficiency of acetyltyrosine according to claim 1, characterized in that: The liquid membrane assembly (3) further comprises a third slider (303) slidably connected to two opposite side surfaces of the mounting plate (301); a second L-shaped plate (304) is fixedly connected to one side surface of the third slider (303); a second side plate (305) is fixedly connected to one side surface of the second L-shaped plate (304); and the third slider (303) and the mounting plate (301) are fixedly connected via bolts; A collection box (306) is provided at the bottom of the mounting plate (301), and the collection box (306) and the mounting plate (301) are fixedly connected via bolts; a movable plate (307) is slidably connected to one side of the first vertical plate (102), and the movable plate (307) and the mounting plate (301) are fixedly connected.

3. A concentration and crystallization device for improving the crystallization efficiency of acetyltyrosine according to claim 2, characterized in that: The top of the mounting plate (301) is fixedly matched with a scraper assembly (6), the scraper assembly (6) comprising a slide plate (601) slidably connected to a side surface of the mounting plate (301), the top of the mounting plate (301) is symmetrically fixedly connected with two groups of guide wheels (602), a first traction rope (603) is arranged between two guide wheels (602) in one group, and one end of the first traction rope (603) is fixedly connected to the slide plate (601); The top of the mounting plate (301) is symmetrically fixedly connected to a fixing plate (604), the bottom of the fixing plate (604) is fixedly connected to a guide rod (605), a scraper (606) that is in sliding contact with the liquid film cloth (302) is slidably connected between the two guide rods (605), the bottom end of the guide rod (605) is fixedly connected to a limiting plate (607), and the other end of the first traction rope (603) is fixedly connected to the scraper (606); An extension rod (608) is fixedly connected to one side of the mounting plate (301), a special-shaped conduit (609) is fixedly connected to the end of the extension rod (608), and a second traction rope (610) passing through the special-shaped conduit (609) is fixedly connected to the bottom of the slide plate (601).

4. A concentration and crystallization device for improving the crystallization efficiency of acetyltyrosine according to claim 3, characterized in that: The top of the base (101) is fixedly matched with a traction assembly (7), the traction assembly (7) comprising a second fixed rod (701) fixedly connected to the top of the base (101), the top of the second fixed rod (701) is fixedly connected to an electric telescopic rod (702), the output end of the electric telescopic rod (702) is fixedly connected to a cylindrical tube (703) slidably matched with the top rod (522), and one end of the cylindrical tube (703) is arranged in a trumpet shape; The inner side surface of the cylindrical tube (703) is provided with a plurality of slots (704) that slidably cooperate with the top rod (522), the outer side surface of the cylindrical tube (703) is fixedly connected to a winding roller (705), and one end of the second traction rope (610) is wound around the outer side surface of the winding roller (705).

5. A process for a concentrated crystallization device for improving the crystallization efficiency of acetyltyrosine according to claim 4, characterized in that: The following steps are involved: S01: First, the centrifugal box (201) is controlled to rotate so as to generate centrifugal force in the centrifugal box (201), so that the acetyltyrosine solution in the centrifugal box (201) is intermittently thrown out from the first through hole (104) onto the liquid membrane cloth (302) on the liquid membrane assembly (3) as the centrifugal box (201) rotates; S02: Then, as the amount of acetyltyrosine solution being thrown out gradually increases, the acetyltyrosine solution forms a liquid film on the liquid film cloth (302) and quickly forms crystals; S03: Then, the cylindrical tube (703) on the traction assembly (7) is controlled to engage with the top rod (522) on the circular plate (521), so that the second transmission rod (515) is rotated to drive the circular plate (521) and the top rod (522) to rotate, thereby driving the cylindrical tube (703) to rotate, and further driving the winding roller (705) to rotate, so that the winding roller (705) winds up the second traction rope (610), thereby driving the slide plate (601) and the scraper (606) to move upward, completing the scraping of the adhered crystals on the liquid film cloth (302), and completing the collection of the acetyltyrosine crystals.