A residue crushing device for an evaporative crystallizer

Abstract

The application relates to the technical field of crushing equipment and discloses a residue crushing equipment for an evaporation crystallizer, which comprises a center mechanism, the center mechanism comprises a motor fixedly connected at the top of a support, the output end of the motor is fixedly connected with a transmission column, the outer wall of the transmission column is rotationally connected with the support, the outer wall of the transmission column is fixedly connected with a plug prevention assembly, the outer wall of the transmission column is fixedly connected with a crushing ball, one end of the transmission column away from the motor is fixedly connected with a conical column, one side of the conical column away from the transmission column is rotationally connected with a bottom plate, one side of the conical column away from the bottom plate is fixedly connected with convex point two, the outer wall of the conical column is fixedly connected with an auxiliary assembly, the motor drives the crushing ball to rotate, the pressure between the crushing ball and the inner wall of the shell is used to crush the crystals, only the crushed crystals can enter the next assembly, and the crushing quality of the crystals by the equipment can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crushing equipment, in particular to a residue crushing equipment for an evaporative crystallizer. BACKGROUND

[0002] The evaporative crystallizer is used to achieve the supersaturation of the solution by evaporating part of the solvent, which makes it very similar to the ordinary evaporator used for concentrating the feed liquid in principle and structure. Although the ordinary evaporator can allow solid to precipitate during operation, it is difficult to effectively control the classification of the crystal grains. Therefore, the evaporative crystallizer is often different from the ordinary evaporator. Similar to the reduced pressure evaporation, the evaporative crystallizer can also be operated under reduced pressure. By reducing the pressure, the boiling point of the feed liquid can be reduced, so that the heat can be fully utilized through multi-effect evaporation.

[0003] The patent application with the application number CN202221358110.1 discloses a fine powder crushing equipment, wherein the grinding shaft is coaxial with the grinding barrel, and the lower end of the grinding shaft extends into the discharge cavity.

[0004] The above-mentioned equipment will always have particles that are not completely crushed when crushing the objects. It is necessary to crush and then filter the particles that are not completely crushed, and then re-crush them. When the number of crushed objects is small, the grinding effect will be worse. SUMMARY

[0005] The present application aims to provide a residue crushing equipment for an evaporative crystallizer to solve the problems raised in the background.

[0006] In order to solve the above technical problems, the present application provides the following technical scheme: a residue crushing equipment for an evaporative crystallizer, comprising a bottom plate, the top of the bottom plate is fixedly connected with a support, the top of the bottom plate is fixedly connected with a support column, the end of the support column away from the bottom plate is fixedly connected with a fixed plate, further comprising:

[0007] The crushing assembly comprises a push rod fixedly connected to the top of the fixed plate, the end of the push rod away from the fixed plate is fixedly connected with a fixed block, the outer wall of the fixed block is fixedly connected with an outer shell one, the inner wall of the outer shell one is provided with a crushing cavity, and the bottom of the outer shell one is slidingly connected with a grinding assembly. The purpose of this arrangement is to control the size of the crushed crystal by setting the push rod.

[0008] The center mechanism comprises a motor fixedly connected to the top of the support, an output end of the motor is fixedly connected with a transmission column, an outer wall of the transmission column is rotatably connected with the support, the outer wall of the transmission column is fixedly connected with a blocking prevention assembly, the outer wall of the transmission column is fixedly connected with a crushing ball, wherein the transmission column is not connected to the central axis of the crushing ball but is offset, so that the crystal can be better polished, one end of the transmission column away from the motor is fixedly connected with a conical column, one side of the conical column away from the transmission column is rotatably connected with a bottom plate, one side of the conical column away from the bottom plate is fixedly connected with a convex point two, the outer wall of the conical column is fixedly connected with an auxiliary assembly, so that the motor drives the crushing ball to rotate, the crystal is crushed through the pressure between the crushing ball and the inner wall of the shell, only the crushed crystal can enter the next assembly, and the crushing quality of the crystal by the equipment is improved.

[0009] According to the technical scheme, the grinding assembly comprises a shell two, an outer wall of the shell two is fixedly connected with the fixed plate, an inner wall of the shell two is slidably connected with the shell one, a bottom of the shell two is fixedly connected with a slide rod one, one end of the slide rod one away from the shell two is fixedly connected with a circular plate one, an outer wall of the slide rod one is slidably connected with a ring-shaped plate one, and the inner wall of the ring-shaped plate one is slidably connected with the shell two.

[0010] According to the technical scheme, the outer wall of the slide rod one is sleeved with a spring one, one end of the spring one is fixedly connected with the ring-shaped plate one, the other end of the spring one away from the ring-shaped plate one is fixedly connected with the shell one, one side of the ring-shaped plate one away from the shell two is fixedly connected with a screen, one side of the screen away from the ring-shaped plate one is fixedly connected with a ring-shaped plate two, and one side of the ring-shaped plate two away from the screen is fixedly connected with a convex point one, so that when the equipment works, the motor drives the convex point one to rotate through the transmission column and the conical column, the screen vibrates when the convex point one and the convex point two collide, and the crystal is prevented from blocking the screen through the vibration of the screen.

[0011] According to the technical scheme, the blocking prevention assembly comprises a ring-shaped column, an inner wall of the ring-shaped column is fixedly connected with the transmission column, an outer wall of the ring-shaped column is fixedly connected with a connecting rod one, one end of the connecting rod one away from the ring-shaped column is fixedly connected with a cleaning plate one, the outer wall of the ring-shaped column is fixedly connected with a connecting rod two, an outer wall of the connecting rod two is fixedly connected with a stirring plate, one end of the stirring plate away from the connecting rod two is fixedly connected with the connecting rod one, and one end of the connecting rod two away from the ring-shaped column is rotatably connected with a cleaning assembly, so that the crystal is prevented from blocking above the crushing ball through the rotation of the stirring plate by the blocking prevention assembly, the crystal in the equipment is stirred, the crushing speed is accelerated, the inner wall of the shell one is cleaned when the assembly rotates, and the crystal residues are prevented from adhering to the inner wall of the shell one.

[0012] According to the above technical scheme, the cleaning assembly comprises a ring-shaped buckle, the inner wall of the ring-shaped buckle is rotationally connected with the connecting rod, the outer wall of the ring-shaped buckle is fixedly connected with an elastic arc-shaped rod one, the two ends of the elastic arc-shaped rod one are fixedly connected with elastic rods, and the central axis of the elastic arc-shaped rod one is fixedly connected with a spring two.

[0013] According to the above technical scheme, one end of the elastic arc-shaped rod one is fixedly connected with an arc rod one, the two ends of the arc rod one are rotationally connected with elastic arc-shaped rods two, the two ends of the elastic arc-shaped rods two are rotationally connected with the arc rod one, the end of the elastic arc-shaped rod one away from the arc rod one is fixedly connected with an arc rod two, the two ends of the arc rod two are rotationally connected with elastic arc-shaped rods three, and the two ends of the elastic arc-shaped rods three are rotationally connected with the arc rod two.

[0014] According to the above technical scheme, the auxiliary assembly comprises a U-shaped plate, the outer wall of the tapered column is fixedly connected with the U-shaped plate, the inner wall of the U-shaped plate is slidingly connected with a sliding rod two, the end of the sliding rod two away from the screen is fixedly connected with a circular plate two, the end of the sliding rod two away from the circular plate two is fixedly connected with a connecting block, the outer wall of the sliding rod two is sleeved with a spring three, one end of the spring three is fixedly connected with the U-shaped plate, the end of the spring three away from the U-shaped plate is fixedly connected with the connecting block, and the side of the connecting block away from the sliding rod two is fixedly connected with a grinding plate.

[0015] According to the above technical scheme, the two sides of the U-shaped plate are fixedly connected with elastic arc-shaped plates, the end of the elastic arc-shaped plate away from the U-shaped plate is fixedly connected with a scraper, the side of the grinding plate away from the screen is rotationally connected with a rotating buckle, the outer wall of the rotating buckle is fixedly connected with a spring four, and the end of the spring four away from the rotating buckle is fixedly connected with the elastic arc-shaped plate.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. The present application sets up a crushing mechanism, so that the motor drives the crushing ball to rotate, and the pressure between the crushing ball and the inner wall of the shell one is used to crush the crystal. Only the crushed crystal can enter the next assembly. This setting can improve the crushing quality of the device for the crystal, and the push rod is set to control the size of the crushed crystal.

[0018] 2、The present application is through the setting of the anti-plugging assembly, through the rotation of the stirring plate, prevents the large block crystal from plugging above the anti-pulverizing ball, at the same time, the crystal in the equipment is stirred, the speed of pulverizing is accelerated, and the inner wall of the shell one can be cleaned through the rotation of the assembly, prevents the crystal residue from sticking on the inner wall of the shell one.

[0019] 3、The present application is through the setting of the cleaning assembly, whether the shell one of the equipment is rising or falling, the elastic rod is always attached to the inner wall of the shell one, through the rotation of the assembly, prevents the crystal residue from sticking on the inner wall of the shell one.

[0020] 4、The present application is through the auxiliary assembly, the crystal after pulverizing is ground through the friction between the screen and the grinding plate, the grinding effect is improved through the spring to strengthen the pressure of the grinding plate on the screen, at the same time, the scraper prevents the crystal from attaching to the screen, in turn, causes the influence on filtering.

[0021] 5、The present application is through the setting of the grinding assembly, when the equipment is working, the motor drives the convex point one to rotate through the transmission column and the conical column, whenever the convex point one and the convex point two collide, the screen will vibrate, through the vibration of the screen, prevents the crystal from plugging the screen. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are included to provide a further understanding of the present application, and are not intended to limit the present application. In the drawings:

[0023] Fig. 1 It is the overall structure schematic view of the present application;

[0024] Fig. 2 It is the overall structure sectional view of the present application;

[0025] Fig. 3 It is the grinding assembly schematic view of the present application;

[0026] Fig. 4 It is the center mechanism schematic view of the present application;

[0027] Fig. 5 It is the anti-plugging assembly schematic view of the present application;

[0028] Fig. 6 It is the cleaning assembly schematic view of the present application;

[0029] Fig. 7 It is the auxiliary assembly schematic view of the present application;

[0030] In the figure: 1, the base plate; 101, the support; 102, the support column; 103, the fixed plate; 2, the crushing mechanism; 201, the push rod; 202, the fixed block; 203, the shell one; 204, the crushing cavity; 21, the grinding assembly; 211, the shell two; 212, the slide rod one; 213, the round plate one; 214, the annular plate one; 215, the spring one; 216, the screen; 217, the annular plate two; 218, the convex point one; 3, the center mechanism; 301, the motor; 302, the transmission column; 303, the crushing ball; 304, the tapered column; 305, the convex point two; 31, the anti-plug assembly; 311, the annular column; 312, the connecting rod one; 313, the cleaning plate one; 314, the connecting rod two; 315, the stirring plate; 32, the cleaning assembly; 321, the annular buckle; 322, the elastic arc-shaped rod one; 323, the elastic rod; 324, the spring two; 325, the arc rod one; 326, the elastic arc-shaped rod two; 327, the arc rod two; 328, the elastic arc-shaped rod three; 33, the auxiliary assembly; 331, the U-shaped plate; 332, the slide rod two; 333, the round plate two; 334, the connecting block; 335, the spring three; 336, the grinding plate; 337, the elastic arc-shaped plate; 338, the scraper; 339, the rotating buckle; 3310, the spring four. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0032] Embodiment one, please refer to Figs. 1-3 The present application provides a technical solution: a residue crushing equipment for an evaporation crystallizer, comprising a base plate 1, a support 101 fixedly connected to the top of the base plate 1, a support column 102 fixedly connected to the top of the base plate 1, a fixed plate 103 fixedly connected to the end of the support column 102 away from the base plate 1, and further comprising:

[0033] The crushing mechanism 2 comprises a push rod 201 fixedly connected to the top of the fixed plate 103, a fixed block 202 fixedly connected to the end of the push rod 201 away from the fixed plate 103, an outer shell one 203 fixedly connected to the outer wall of the fixed block 202, a crushing cavity 204 formed in the inner wall of the outer shell one 203, and a grinding assembly 21 slidably connected to the bottom of the outer shell one 203. The purpose of this arrangement is to control the distance between the inner wall of the outer shell one 203 and the crushing ball 303 by driving the outer shell one 203 to move up and down by the motor 301.

[0034] The grinding assembly 21 comprises a shell two 211, the outer wall of the shell two 211 is fixedly connected with the fixed plate 103, the inner wall of the shell two 211 is slidably connected with the shell one 203, the bottom of the shell two 211 is fixedly connected with a sliding rod one 212, the end of the sliding rod one 212 away from the shell two 211 is fixedly connected with a circular plate one 213, the outer wall of the sliding rod one 212 is slidably connected with an annular plate one 214, the inner wall of the annular plate one 214 is slidably connected with the shell two 211, the outer wall of the sliding rod one 212 is sleeved with a spring one 215, one end of the spring one 215 is fixedly connected with the annular plate one 214, the end of the spring one 215 away from the annular plate one 214 is fixedly connected with the shell one 203, one side of the annular plate one 214 away from the shell two 211 is fixedly connected with a screen mesh 216, one side of the screen mesh 216 away from the annular plate one 214 is fixedly connected with an annular plate two 217, one side of the annular plate two 217 away from the screen mesh 216 is fixedly connected with a convex point one 218, the purpose of the arrangement is to make the convex point one 218 revolve around the transmission column 302 through the rotation of the conical column 304, when the convex point one 218 and the convex point two 305 contact, the screen mesh 216 is lifted, and is reset under the action of the spring one 215 after leaving, so as to achieve the effect of vibration.

[0035] Embodiment two, the difference between embodiment one is that: please see Figs. 4-7 As shown in the figure, the center mechanism 3 comprises a motor 301 fixedly connected at the top of the support 101, the output end of the motor 301 is fixedly connected with a transmission column 302, the outer wall of the transmission column 302 is rotatably connected with the support 101, the outer wall of the transmission column 302 is fixedly connected with a blocking plug assembly 31, the outer wall of the transmission column 302 is fixedly connected with a crushing ball 303, the end of the transmission column 302 away from the motor 301 is fixedly connected with a conical column 304, one side of the conical column 304 away from the transmission column 302 is rotatably connected with the bottom plate 1, one side of the conical column 304 away from the bottom plate 1 is fixedly connected with a convex point two 305, the outer wall of the conical column 304 is fixedly connected with an auxiliary assembly 33, the purpose of the arrangement is to drive the transmission column 302 to rotate through the rotation of the motor 301, in turn drive the crushing ball 303 to rotate, through the eccentric connection mode of the crushing ball 303 and the transmission column 302, the distance between the crushing ball 303 and the inner wall of the shell one 203 is constantly changing, so as to achieve the effect of crushing.

[0036] The anti-blocking assembly 31 comprises an annular column 311, the inner wall of the annular column 311 is fixedly connected with the transmission column 302, the outer wall of the annular column 311 is fixedly connected with a connecting rod one 312, one end of the connecting rod one 312 away from the annular column 311 is fixedly connected with a cleaning plate one 313, the outer wall of the annular column 311 is fixedly connected with a connecting rod two 314, the outer wall of the connecting rod two 314 is fixedly connected with a stirring plate 315, one end of the stirring plate 315 away from the connecting rod two 314 is fixedly connected with the connecting rod one 312, one end of the connecting rod two 314 away from the annular column 311 is rotatably connected with a cleaning assembly 32, and the purpose of such an arrangement is to drive the rotation of the stirring plate 315, the cleaning assembly 32 and the cleaning plate one 313 through the rotation of the transmission shaft.

[0037] The cleaning assembly 32 comprises an annular buckle 321, the inner wall of the annular buckle 321 is rotatably connected with the connecting rod two 314, the outer wall of the annular buckle 321 is fixedly connected with an elastic arc-shaped rod one 322, both ends of the elastic arc-shaped rod one 322 are fixedly connected with an elastic rod 323, the central axis of the elastic arc-shaped rod one 322 is fixedly connected with a spring two 324, one end of the elastic arc-shaped rod one 322 is fixedly connected with an arc rod one 325, both ends of the arc rod one 325 are rotatably connected with an elastic arc-shaped rod two 326, both ends of the elastic arc-shaped rod two 326 are rotatably connected with the arc rod one 325, one end of the elastic arc-shaped rod one 322 away from the arc rod one 325 is fixedly connected with an arc rod two 327, both ends of the arc rod two 327 are rotatably connected with an elastic arc-shaped rod three 328, both ends of the elastic arc-shaped rod three 328 are rotatably connected with the arc rod two 327, and the purpose of such an arrangement is to make the elastic rod 323 always adhere to the inner wall of the shell one 203 through the elastic force of the elastic arc-shaped rod one 322 and the spring two 324, and meanwhile, the effect is enhanced through the elastic force of the elastic arc-shaped rod two 326 and the elastic arc-shaped rod three.

[0038] The auxiliary assembly 33 comprises a U-shaped plate 331, the outer wall of the tapered column 304 is fixedly connected with the U-shaped plate 331, the inner wall of the U-shaped plate 331 is slidably connected with a sliding rod two 332, the end of the sliding rod two 332 away from the screen 216 is fixedly connected with a circular plate two 333, the end of the sliding rod two 332 away from the circular plate two 333 is fixedly connected with a connecting block 334, the outer wall of the sliding rod two 332 is sleeved with a spring three 335, one end of the spring three 335 is fixedly connected with the U-shaped plate 331, the end of the spring three 335 away from the U-shaped plate 331 is fixedly connected with the connecting block 334, one side of the connecting block 334 away from the sliding rod two 332 is fixedly connected with a grinding plate 336, both sides of the U-shaped plate 331 are fixedly connected with elastic arc-shaped plates 337, the end of the elastic arc-shaped plate 337 away from the U-shaped plate 331 is fixedly connected with a scraper 338, one side of the grinding plate 336 away from the screen 216 is rotatably connected with a rotating buckle 339, the outer wall of the rotating buckle 339 is fixedly connected with a spring four 3310, the end of the spring four 3310 away from the rotating buckle 339 is fixedly connected with the elastic arc-shaped plate 337, the purpose of the arrangement is to make the elastic rod 323 always adhere to the inner wall of the shell one 203 through the elastic force of the elastic arc-shaped rod one 322 and the spring two 324, and to strengthen the effect through the elastic force of the elastic arc-shaped rod two 326 and the elastic annular rod three.

[0039] When the device needs to be used, the motor 301 is turned on to pour the crystal into the shell one 203, the crystal is preliminarily crushed, when the crystal falls into the inside of the grinding assembly 21 after being crushed, the crystal is further crushed through the pressure between the grinding plate 336 and the screen 216, when the size of the crystal meets the requirement, the crystal is discharged from the screen 216.

[0040] It should be noted that the relational terms herein such as first and second and the like are used only to differentiate one entity or action from another, and do not necessarily require or imply that any such actual relationship or order exists between or among the entities or actions. Also, the terms "comprising", "having", or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article or apparatus.

[0041] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A residue crushing device for an evaporator crystallizer, comprising a base plate (1), a support (101) fixedly connected to the top of the base plate (1), a support column (102) fixedly connected to the top of the base plate (1), and a fixing plate (103) fixedly connected to one end of the support column (102) away from the base plate (1), characterized in that, Also include: The crushing mechanism (2) includes a push rod (201) fixedly connected to the top of the fixed plate (103), and the end of the push rod (201) away from the fixed plate (103) is fixedly connected with a fixed block (202), the outer wall of the fixed block (202) is fixedly connected with a shell one (203), the inner wall of the shell one (203) is provided with a crushing cavity (204), and the bottom of the shell one (203) is slidably connected with a grinding assembly (21); The center mechanism (3) includes a motor (301) fixedly connected to the top of the support (101), and the output end of the motor (301) is fixedly connected with a transmission column (302), the outer wall of the transmission column (302) is rotatably connected with the support (101), the outer wall of the transmission column (302) is fixedly connected with a plug prevention assembly (31), the outer wall of the transmission column (302) is fixedly connected with a crushing ball (303), and the end of the transmission column (302) away from the motor (301) is fixedly connected with a conical column (304), one side of the conical column (304) away from the transmission column (302) is rotatably connected with the bottom plate (1), and the other side of the conical column (304) away from the bottom plate (1) is fixedly connected with a convex point two (305), the outer wall of the conical column (304) is fixedly connected with an auxiliary assembly (33); The plug prevention assembly (31) includes an annular column (311), the inner wall of the annular column (311) is fixedly connected with the transmission column (302), the outer wall of the annular column (311) is fixedly connected with a connecting rod one (312), the end of the connecting rod one (312) away from the annular column (311) is fixedly connected with a cleaning plate one (313), the outer wall of the annular column (311) is fixedly connected with a connecting rod two (314), the outer wall of the connecting rod two (314) is fixedly connected with a stirring plate (315), the end of the stirring plate (315) away from the connecting rod two (314) is fixedly connected with the connecting rod one (312), and the end of the connecting rod two (314) away from the annular column (311) is rotatably connected with a cleaning assembly (32). The cleaning assembly (32) comprises an annular buckle (321), the inner wall of the annular buckle (321) is rotationally connected with the connecting rod two (314), the outer wall of the annular buckle (321) is fixedly connected with the elastic arc-shaped rod one (322), both ends of the elastic arc-shaped rod one (322) are fixedly connected with the elastic rod (323), the middle shaft of the elastic arc-shaped rod one (322) is fixedly connected with the spring two (324), one end of the elastic arc-shaped rod one (322) is fixedly connected with the arc rod one (325), both ends of the arc rod one (325) are rotationally connected with the elastic arc-shaped rod two (326), both ends of the elastic arc-shaped rod two (326) are rotationally connected with the arc rod one (325), one end of the elastic arc-shaped rod one (322) away from the arc rod one (325) is fixedly connected with the arc rod two (327), both ends of the arc rod two (327) are rotationally connected with the elastic arc-shaped rod three (328), both ends of the elastic arc-shaped rod three (328) are rotationally connected with the arc rod two (327).

2. The residue pulverizing apparatus for an evaporative crystallizer according to claim 1, characterized by: The grinding assembly (21) comprises an outer shell two (211), the outer wall of the outer shell two (211) is fixedly connected with the fixed plate (103), the inner wall of the outer shell two (211) is slidably connected with the outer shell one (203), the bottom of the outer shell two (211) is fixedly connected with a sliding rod one (212), one end of the sliding rod one (212) away from the outer shell two (211) is fixedly connected with a circular plate one (213), the outer wall of the sliding rod one (212) is slidably connected with an annular plate one (214), the inner wall of the annular plate one (214) is slidably connected with the outer shell two (211).

3. The residue pulverizing apparatus for an evaporative crystallizer according to claim 2, characterized by: The outer wall of the sliding rod one (212) is sleeved with a spring one (215), one end of the spring one (215) is fixedly connected with the annular plate one (214), the other end of the spring one (215) away from the annular plate one (214) is fixedly connected with the outer shell one (203), one side of the annular plate one (214) away from the outer shell two (211) is fixedly connected with a screen (216), one side of the screen (216) away from the annular plate one (214) is fixedly connected with an annular plate two (217), one side of the annular plate two (217) away from the screen (216) is fixedly connected with a convex point one (218).

4. The residue pulverizing apparatus for an evaporative crystallizer according to claim 3, characterized by: The auxiliary assembly (33) comprises a U-shaped plate (331), the outer wall of the conical column (304) is fixedly connected with the U-shaped plate (331), the inner wall of the U-shaped plate (331) is slidably connected with a sliding rod two (332), one end of the sliding rod two (332) away from the screen (216) is fixedly connected with a circular plate two (333), one end of the sliding rod two (332) away from the circular plate two (333) is fixedly connected with a connecting block (334), the outer wall of the sliding rod two (332) is sleeved with a spring three (335), one end of the spring three (335) is fixedly connected with the U-shaped plate (331), the other end of the spring three (335) away from the U-shaped plate (331) is fixedly connected with the connecting block (334), one side of the connecting block (334) away from the sliding rod two (332) is fixedly connected with a grinding plate (336).

5. The residue pulverizing apparatus for an evaporative crystallizer according to claim 4, characterized by: Both sides of the U-shaped plate (331) are fixedly connected with elastic arc-shaped plates (337), one end of the elastic arc-shaped plates (337) away from the U-shaped plate (331) is fixedly connected with scrapers (338), one side of the grinding plate (336) away from the screen (216) is rotatably connected with a rotating buckle (339), the outer wall of the rotating buckle (339) is fixedly connected with a spring four (3310), one end of the spring four (3310) away from the rotating buckle (339) is fixedly connected with the elastic arc-shaped plates (337).

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