A scraper wear detection mechanism for scraper evaporators

Abstract

This invention belongs to the technical field of testing devices, specifically a scraper wear testing mechanism for a scraper evaporator. It includes a base, with support plates symmetrically fixedly mounted on the top of the base. A rotating shaft is rotatably mounted between the inner walls of the support plates, and a grinding roller is fixedly mounted on the outer wall of the rotating shaft. A drive motor is fixedly mounted on the outer wall of one of the support plates, and the output end of the drive motor is fixedly connected to one end of the rotating shaft. Several scraper fixing assemblies are arranged above the base. By using the friction between the rotating grinding roller and the scraper, the actual movement of the scraper within the evaporator is highly replicated. In an actual evaporator, the scraper continuously moves relative to the inner wall or materials, causing wear. This testing mechanism can accurately reproduce this friction process, providing a reliable basis for accurately evaluating the wear resistance of the scraper. By adjusting the rotation speed of the grinding roller, the friction speed of the scraper under different operating conditions can be simulated, improving the accuracy of the test results.

Description

Technical Field

[0001] This invention belongs to the field of detection device technology, specifically a scraper wear detection mechanism for a scraper evaporator. Background Technology

[0002] As a highly efficient evaporation and concentration device, scraped evaporators have wide and important applications in many industries such as chemical, pharmaceutical, food, and environmental protection. Their working principle is mainly to use rotating scrapers to evenly coat the material on the heated surface, forming an extremely thin liquid film, which greatly increases the heat exchange area and allows the material to evaporate and concentrate rapidly at a lower temperature. This unique structure and working method give scraped evaporators significant advantages such as high heat transfer efficiency, fast evaporation speed, and flexible operation. They can handle high viscosity, heat-sensitive, and easily crystallizing materials, meeting the diverse needs of different industries for material evaporation and concentration.

[0003] In the operation of a scraped evaporator, the scraper plays a crucial role. Friction between the scraper and the evaporator interior is unavoidable. However, if the scraper is of poor quality, its wear resistance will be poor. During long-term operation, the scraper will wear down rapidly, and the particles generated by the wear may enter the material and contaminate the product. At the same time, the shape and size of the worn scraper will change, resulting in an increased clearance between the scraper and the evaporator interior, further aggravating the friction and wear between the scraper and the evaporator, and shortening the service life of the evaporator. Currently, in the scraper manufacturing process, there is a lack of effective testing devices specifically for scraper wear performance, which poses a potential risk to the normal operation and performance of the evaporator.

[0004] Therefore, the present invention provides a scraper wear detection mechanism for a scraper evaporator. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by the present invention to solve its technical problem is as follows: The scraper wear detection mechanism of the scraper evaporator of the present invention includes a base, a support plate is symmetrically fixedly installed on the top of the base, a rotating shaft is rotatably installed between the inner walls of the support plate, a grinding roller is fixedly installed on the outer wall of the rotating shaft, a drive motor is fixedly installed on the outer wall of one of the support plates, the output end of the drive motor is fixedly connected to one end of the rotating shaft, and a plurality of scraper fixing components are arranged above the base.

[0007] Preferably, the scraper fixing assembly includes a fixed clamping plate and a movable clamping plate, the fixed clamping plate and the movable clamping plate are disposed on the outside of the grinding roller, a scraper body is disposed between the fixed clamping plate and the movable clamping plate, the scraper body is kept in contact with the grinding roller, and a positioning assembly is disposed on the top of the base.

[0008] Preferably, the positioning component includes a support ring, which is fixedly installed on the top of the base and located on the outside of the grinding roller. Positioning seats are fixedly installed on the outer walls of the fixed clamping plates. The inner walls of the positioning seats are fixedly connected to the outer walls of the support ring. A movable seat is fixedly installed on the outer wall of the movable clamping plate. The inner walls of the movable seat are slidably connected to the outer walls of the support ring. A position adjustment component is provided on the outer wall of the movable seat.

[0009] Preferably, the inner walls of both the fixed clamping plate and the movable clamping plate are rotatably equipped with a plurality of rollers, the outer walls of the rollers are rotatably equipped with rollers, the rollers are respectively in contact with the corresponding scraper bodies, the outer walls of the fixed clamping plate are all fixedly equipped with mounting frames, the inner walls of the mounting frames are all fixedly equipped with laser rangefinders, and the inner walls of the support ring are provided with a plurality of elastic compression components.

[0010] Preferably, the elastic extrusion assembly includes a limiting plate, which is slidably mounted on the inner wall of the support ring. An extrusion plate is fixedly mounted on one end of the limiting plate, and a compression plate is slidably mounted on the outer wall of the limiting plate. A plurality of elastic elements A are fixedly mounted between the compression plate and the extrusion plate. An adjusting screw is rotatably mounted on the inner wall of the compression plate. The outer wall of the adjusting screw is threadedly connected to the inner wall of the support ring. A knob is fixedly mounted on one end of the adjusting screw. The extrusion plates respectively abut against the scraper body.

[0011] Preferably, the position adjustment assembly includes an adjustment ring disposed on the outside of the support ring, and a plurality of connecting blocks are fixedly installed on the inner wall of the adjustment ring, the outer walls of the connecting blocks being fixedly connected to the outer wall of the movable seat respectively.

[0012] Preferably, the outer wall of the adjusting ring is provided with an arc-shaped groove, and a plurality of levers are uniformly fixedly installed on the inner wall of the arc-shaped groove.

[0013] Preferably, a positioning block is fixedly installed at one end of the adjusting ring, and a connecting block is inserted into the inner wall of the positioning block, and the outer wall of the connecting block is inserted into the inner wall of the support ring.

[0014] Preferably, the inner wall of the movable seat is fixedly installed with a receiving plate, and the outer wall of the support ring is provided with a plurality of mounting grooves, and a plurality of elastic elements B are fixedly installed between the mounting grooves and the receiving plate.

[0015] Preferably, a control panel is fixedly installed on the inner wall of the base, and a touch control screen, an emergency stop button, and a power switch are fixedly installed on the inner wall of the control panel.

[0016] The beneficial effects of this invention are as follows:

[0017] 1. The scraper wear detection mechanism for a scraper evaporator described in this invention highly replicates the actual movement of the scraper within the evaporator by using the friction between the rotating grinding roller and the scraper. In an actual evaporator, the scraper continuously moves relative to the inner wall or materials, resulting in wear. This detection mechanism can accurately reproduce this friction process, making the detection results more consistent with the actual wear situation. This provides a reliable basis for accurately evaluating the wear resistance of the scraper. By adjusting the speed of the drive motor, the rotation speed of the grinding roller can be precisely controlled, thereby simulating the friction speed of the scraper under different working conditions. This helps to comprehensively understand the wear characteristics of the scraper under different working conditions and improves the accuracy and comprehensiveness of the detection results.

[0018] 2. The scraper wear detection mechanism for a scraper evaporator described in this invention, when wear occurs on the contact surface between the scraper body and the grinding roller, the scraper body will move under the action of the elastic extrusion component in order to maintain contact with the grinding roller. The laser rangefinder will measure the moving distance of the scraper body, and combined with the original size of the scraper body, the wear amount of the scraper can be accurately calculated. This avoids the problems of human error and inaccurate measurement that may exist in traditional measurement methods, and greatly improves the accuracy of the detection results.

[0019] 3. The scraper wear detection mechanism for a scraper evaporator described in this invention allows for multi-level adjustment of the preload of elastic element A according to different detection requirements during testing. When simulating the working state of the scraper under different operating conditions, the preload of elastic element A can be adjusted to different levels by adjusting the knob. This allows for comparison of scraper wear under different pressures during a single test, providing a deeper understanding of the influence of pressure on scraper wear and offering more comprehensive data support for scraper design, selection, and use. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of the support plate of the present invention;

[0023] Figure 3 This is a schematic diagram of the support ring structure of the present invention;

[0024] Figure 4This is a partial structural diagram of the support ring of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the fixing clamping plate of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of the grinding roller of the present invention;

[0027] Figure 7 This is a cross-sectional view of the support ring structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure at the adjusting ring of the present invention;

[0029] Figure 9 This is a schematic diagram of the movable seat structure of the present invention.

[0030] In the diagram: 1. Base; 2. Support plate; 3. Rotating shaft; 4. Grinding roller; 5. Drive motor; 6. Fixed clamping plate; 7. Moving clamping plate; 8. Scraper body; 9. Support ring; 10. Positioning seat; 11. Moving seat; 12. Roller; 13. Roller column; 14. Mounting bracket; 15. Laser rangefinder; 16. Limiting plate; 17. Extrusion plate; 18. Compression plate; 19. Elastic element A; 20. Adjusting screw; 21. Knob; 22. Adjusting ring; 23. Connecting block; 24. Arc groove; 25. Paddle plate; 26. Positioning block; 27. Insertion block; 28. Receiving plate; 29. ​​Mounting groove; 30. Elastic element B; 31. Control panel; 32. Touch control screen; 33. Emergency stop button; 34. Power switch. Detailed Implementation

[0031] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0032] like Figures 1 to 6As shown in the embodiment of the present invention, a scraper wear detection mechanism for a scraper evaporator includes a base 1. Support plates 2 are symmetrically fixedly mounted on the top of the base 1. A rotating shaft 3 is rotatably mounted between the inner walls of the support plates 2. A grinding roller 4 is fixedly mounted on the outer wall of the rotating shaft 3. A drive motor 5 is fixedly mounted on the outer wall of one of the support plates 2. The output end of the drive motor 5 is fixedly connected to one end of the rotating shaft 3. Several scraper fixing assemblies are arranged above the base 1. When performing scraper wear detection, the scraper to be detected is fixed by the scraper fixing assemblies. The fixed scraper will contact the grinding roller 4. The drive motor 5 is started, and the drive motor 5 drives the grinding roller 4 to rotate through the rotating shaft 3. When the grinding roller 4 rotates, it will rub against the scraper, thereby simulating the actual use scenario of the scraper. After the scraper plate rubs against the grinding roller 4 for a period of time, the scraper plate after friction is measured and compared with the original size of the scraper plate to obtain the scraper plate wear amount, thereby realizing the scraper plate wear detection. This invention uses the method of the grinding roller 4 rotating and rubbing against the scraper plate to highly restore the actual movement state of the scraper plate in the evaporator. In the actual evaporator, the scraper plate continuously moves relative to the inner wall or materials, resulting in wear. This detection mechanism can accurately reproduce this friction process, making the detection results more consistent with the real wear situation, and providing a reliable basis for accurately evaluating the wear resistance performance of the scraper plate. By adjusting the speed of the drive motor 5, the rotation speed of the grinding roller 4 can be precisely controlled, thereby simulating the friction speed of the scraper plate under different working conditions, which helps to fully understand the wear characteristics of the scraper plate under different working conditions and improve the accuracy and comprehensiveness of the detection results.

[0033] like Figures 3 to 6 As shown, the scraper fixing assembly includes a fixed clamping plate 6 and a movable clamping plate 7. The fixed clamping plate 6 and the movable clamping plate 7 are located on the outside of the grinding roller 4. The scraper body 8 is positioned between the fixed clamping plate 6 and the movable clamping plate 7, and the scraper body 8 is kept in close contact with the grinding roller 4. A positioning component is provided on the top of the base 1. The position of the movable clamping plate 7 is adjusted by the positioning component to separate the corresponding movable clamping plate 7 from the fixed clamping plate 6. Then, the scraper body 8 is placed between the movable clamping plate 7 and the fixed clamping plate 6. After that, the position of the movable clamping plate 7 is adjusted again by the positioning component so that the movable clamping plate 7 cooperates with the fixed clamping plate 6 to fix the scraper body 8, thus achieving the fixing of the scraper body 8. The operator only needs to control the separation and closing of the movable clamping plate 7 and the fixed clamping plate 6 through the positioning component to easily complete the placement and fixing of the scraper. No complicated tools or professional skills are required, which greatly shortens the installation time of the scraper and improves the efficiency of the inspection work.

[0034] like Figures 1 to 5As shown, the positioning assembly includes a support ring 9, which is fixedly installed on the top of the base 1 and located on the outer side of the grinding roller 4. Positioning seats 10 are fixedly installed on the outer walls of the fixed clamping plates 6, with the inner walls of the positioning seats 10 fixedly connected to the outer walls of the support ring 9. A movable seat 11 is fixedly installed on the outer wall of the movable clamping plate 7, with the inner walls of the movable seat 11 slidably connected to the outer walls of the support ring 9. A position adjustment assembly is provided on the outer wall of the movable seat 11. The fixed clamping plates 6 are fixed to the support ring 9 via the positioning seats 10, and the movable clamping plates 7 are slidably connected to the support ring 9 via the movable seat 11. Since the support ring 9 is annular, the various scraper fixing assemblies are arranged in a circumferential array on the outer side of the grinding roller 4. Furthermore, the scraper body 8, which is fixed by the scraper fixing assembly, is also distributed on the outside of the grinding roller 4 and fits against it. This layout makes full use of the space around the grinding roller 4. Multiple scraper fixing assemblies can be installed in a limited space, thereby achieving the effect of simulating the detection of multiple scraper bodies 8 at the same time. In one detection process, wear data of multiple scrapers can be obtained, which greatly shortens the detection cycle and improves the detection efficiency. The movable clamping plate 7 can slide along the support ring 9 through the movable seat 11. Therefore, the position of the movable clamping plate 7 can be adjusted by adjusting the assembly, so that the corresponding movable clamping plate 7 and the fixed clamping plate 6 can open and close, thereby realizing the fixing of the scraper body 8.

[0035] like Figures 4 to 5As shown, several rollers 12 are rotatably mounted on the inner walls of both the fixed clamping plate 6 and the movable clamping plate 7. Rollers 13 are rotatably mounted on the outer walls of the rollers 12, and the rollers 13 are respectively in contact with the corresponding scraper bodies 8. Mounting frames 14 are fixedly mounted on the outer walls of the fixed clamping plate 6, and laser rangefinders 15 are fixedly mounted on the inner walls of the mounting frames 14. Several elastic extrusion components are provided on the inner walls of the support ring 9. The elastic extrusion components extrude pressure on each scraper body 8, and the scraper body 8 remains in contact with the grinding roller 4 under the action of the elastic extrusion components. The rollers 13 on the inner walls of the fixed clamping plate 6 and the movable clamping plate 7 form a rolling friction structure. When the scraper body 8 moves toward the grinding roller 4 under the action of the elastic extrusion components, the friction between the rollers 13 and the scraper body 8 is rolling friction. Compared with sliding friction, the resistance of rolling friction is greatly reduced, which allows the scraper body 8 to move more smoothly. The scraper moves smoothly, ensuring it remains in close contact with the grinding roller 4 throughout the testing process. This prevents jamming or inability to move due to excessive frictional resistance, realistically simulating the friction state of the scraper during actual operation. The elastic extrusion assembly applies continuous and stable pressure to each scraper body 8, ensuring it remains in close contact with the grinding roller 4 throughout the wear process. This prevents the contact area from shrinking due to wear, which could affect the test results. When wear occurs at the contact surface between the scraper body 8 and the grinding roller 4, the scraper body 8 moves under the action of the elastic extrusion assembly to maintain contact with the roller 4. The laser rangefinder 15 measures the moving distance of the scraper body 8. Combined with the original dimensions of the scraper body 8, the wear amount of the scraper can be accurately calculated, avoiding the human error and inaccurate measurement problems that may exist in traditional measurement methods, greatly improving the accuracy of the test results.

[0036] like Figure 4 and Figure 7As shown, the elastic compression assembly includes a limiting plate 16, which is slidably mounted on the inner wall of the support ring 9. A compression plate 17 is fixedly mounted on one end of the limiting plate 16, and a compression plate 18 is slidably mounted on the outer wall of the limiting plate 16. Several elastic elements A19 are fixedly mounted between the compression plate 18 and the compression plate 17. An adjusting screw 20 is rotatably mounted on the inner wall of the compression plate 18, and the outer wall of the adjusting screw 20 is threadedly connected to the inner wall of the support ring 9. A knob 21 is fixedly mounted on one end of the adjusting screw 20. The compression plates 17 abut against the scraper body 8. By adjusting the screw 20, the position of the compression plate 18 is fixed, and the compression plate 18, in conjunction with the compression plate 17, compresses the elastic elements A19. The reverse elastic force of the elastic elements A19 is then applied to the scraper body 8 through the compression plate 17, thereby ensuring that the scraper body 8 remains in contact with the compression plate 9. The grinding roller 4 remains in contact to prevent wear from reducing the contact area and affecting the test results. Rotating the knob 21 drives the adjusting screw 20 to rotate, which in turn moves the compression plate 18. By adjusting the position of the compression plate 18, the preload of the elastic element A19 can be adjusted. During the test, the elastic extrusion assembly can adjust the preload of the elastic element A19 in multiple levels according to different test requirements. When simulating the working state of the scraper under different working conditions, the preload of the elastic element A19 can be adjusted to different levels by adjusting the knob 21. This allows for comparison of the scraper wear under different pressures during a single test, providing a deeper understanding of the influence of pressure on scraper wear and offering more comprehensive data support for scraper design, selection, and use.

[0037] like Figures 3 to 4 and Figure 8 As shown, the position adjustment assembly includes an adjustment ring 22, which is located on the outside of the support ring 9. Several connecting blocks 23 are fixedly installed on the inner wall of the adjustment ring 22, and the outer walls of the connecting blocks 23 are fixedly connected to the outer walls of the movable seats 11. Each movable seat 11 is connected to the adjustment ring 22 through the connecting blocks 23. When adjusting the position of the movable clamping plate 7, rotating the adjustment ring 22 drives each connecting block 23 to move. When the connecting blocks 23 move, they drive each movable seat 11 to move. When the movable seats 11 move, they drive each movable clamping plate 7 to move. Only one operation, rotating the adjustment ring 22, is needed to drive all the movable clamping plates 7 to move simultaneously. Compared with the traditional method of adjusting them one by one, this greatly simplifies the operation process, saves operation time and labor costs, eliminates the need to repeatedly operate multiple parts, and improves work efficiency.

[0038] like Figure 8As shown, an arc-shaped groove 24 is provided on the outer wall of the adjusting ring 22, and several levers 25 are uniformly fixedly installed on the inner wall of the arc-shaped groove 24. By opening the arc-shaped groove 24 on the adjusting ring 22 and installing multiple levers 25 on the inner side of the arc-shaped groove 24, the device can be operated by pulling any one of the levers 25 when rotating the adjusting ring 22, thereby increasing the convenience of using the device.

[0039] like Figure 3 and Figure 8 As shown, a positioning block 26 is fixedly installed at one end of the adjusting ring 22, and an insertion block 27 is inserted into the inner wall of the positioning block 26. The outer wall of the insertion block 27 is inserted into the inner wall of the support ring 9. When the movable clamping plate 7 and the fixed clamping plate 6 fix the scraper body 8, the insertion block 27 is inserted into the inner side of the positioning block 26 and the support ring 9 to fix the position of the adjusting ring 22, thereby fixing the position of the movable clamping plate 7. This prevents the movable clamping plate 7 from separating from the fixed clamping plate 6 during the inspection process, which would cause the scraper body 8 to fall off.

[0040] like Figure 4 and Figure 9 As shown, the inner wall of the movable seat 11 is fixedly equipped with a receiving plate 28, and the outer wall of the support ring 9 is provided with several mounting grooves 29. Several elastic elements B30 are fixedly installed between the corresponding mounting grooves 29 and the receiving plate 28. When the adjusting ring 22 is rotated to separate the movable clamping plate 7 from the fixed clamping plate 6, the movable seat 11 will drive the receiving plate 28 to move. When the receiving plate 28 moves, it will squeeze the elastic elements B30. After the scraper body 8 is placed, the adjusting ring 22 is slowly released, and the receiving plate 28 will be reset under the action of the reverse elastic force of the elastic element B30, so that the movable clamping plate 7 automatically moves closer to the fixed clamping plate 6. This process does not require the operator to manually push the movable clamping plate 7, which greatly simplifies the operation process and reduces the operation steps and time. Especially when performing batch testing or frequently changing scrapers, it can significantly improve work efficiency.

[0041] like Figure 1 As shown, a control panel 31 is fixedly installed on the inner wall of the base 1. A touch control screen 32, an emergency stop button 33, and a power switch 34 are fixedly installed on the inner wall of the control panel 31. The touch control screen 32 has an intuitive graphical interface, allowing operators to easily control various functions of the testing mechanism through simple touch operations. At the same time, the touch control screen 32 can also display various data and status information during the testing process in real time, allowing operators to keep track of the testing situation at any time. In case of an emergency, the operator can immediately press the emergency stop button 33 to quickly cut off the power source of the testing mechanism, causing the equipment to stop running immediately and preventing the further escalation of the accident. The power switch 34 is used to control the power supply of the testing mechanism.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A scraper wear detection mechanism for a scraper evaporator, comprising a base (1), characterized in that: Support plates (2) are symmetrically fixedly installed on the top of the base (1). Rotating shafts (3) are rotatably installed between the inner walls of the support plates (2). Grinding rollers (4) are fixedly installed on the outer wall of the rotating shafts (3). A drive motor (5) is fixedly installed on the outer wall of one of the support plates (2). The output end of the drive motor (5) is fixedly connected to one end of the rotating shaft (3). Several scraper fixing assemblies are provided above the base (1).

2. The scraper wear detection mechanism for a scraper evaporator according to claim 1, characterized in that: The scraper fixing assembly includes a fixed clamping plate (6) and a movable clamping plate (7). The fixed clamping plate (6) and the movable clamping plate (7) are disposed on the outside of the grinding roller (4). A scraper body (8) is disposed between the fixed clamping plate (6) and the movable clamping plate (7). The scraper body (8) is in close contact with the grinding roller (4). A positioning assembly is disposed on the top of the base (1).

3. The scraper wear detection mechanism for a scraper evaporator according to claim 2, characterized in that: The positioning assembly includes a support ring (9), which is fixedly installed on the top of the base (1). The support ring (9) is located on the outside of the grinding roller (4). The outer walls of the fixed clamping plate (6) are all fixedly installed with positioning seats (10). The inner wall of the positioning seat (10) is fixedly connected to the outer wall of the support ring (9). The outer wall of the movable clamping plate (7) is fixedly installed with a movable seat (11). The inner wall of the movable seat (11) is slidably connected to the outer wall of the support ring (9). The outer wall of the movable seat (11) is provided with a position adjustment assembly.

4. The scraper wear detection mechanism for a scraper evaporator according to claim 3, characterized in that: The inner walls of the fixed clamping plate (6) and the movable clamping plate (7) are rotatably equipped with several rollers (12), and the outer walls of the rollers (12) are rotatably equipped with rollers (13). The rollers (13) are respectively attached to the corresponding scraper bodies (8). The outer walls of the fixed clamping plate (6) are fixedly equipped with mounting brackets (14), and the inner walls of the mounting brackets (14) are fixedly equipped with laser rangefinders (15). The inner walls of the support ring (9) are provided with several elastic extrusion components.

5. The scraper wear detection mechanism for a scraper evaporator according to claim 4, characterized in that: The elastic extrusion assembly includes a limiting plate (16), which is slidably installed on the inner wall of the support ring (9). An extrusion plate (17) is fixedly installed at one end of the limiting plate (16). A compression plate (18) is slidably installed on the outer wall of the limiting plate (16). Several elastic elements A (19) are fixedly installed between the compression plate (18) and the extrusion plate (17). An adjusting screw (20) is rotatably installed on the inner wall of the compression plate (18). The outer wall of the adjusting screw (20) is threadedly connected to the inner wall of the support ring (9). A knob (21) is fixedly installed at one end of the adjusting screw (20). The extrusion plate (17) abuts against the scraper body (8).

6. The scraper wear detection mechanism for a scraper evaporator according to claim 3, characterized in that: The position adjustment assembly includes an adjustment ring (22), which is located on the outside of the support ring (9). A plurality of connecting blocks (23) are fixedly installed on the inner wall of the adjustment ring (22), and the outer walls of the connecting blocks (23) are fixedly connected to the outer walls of the movable seat (11).

7. The scraper wear detection mechanism for a scraper evaporator according to claim 6, characterized in that: The outer wall of the adjusting ring (22) is provided with an arc-shaped groove (24), and a number of levers (25) are uniformly fixedly installed on the inner wall of the arc-shaped groove (24).

8. The scraper wear detection mechanism for a scraper evaporator according to claim 6, characterized in that: A positioning block (26) is fixedly installed at one end of the adjusting ring (22), and a plug block (27) is inserted into the inner wall of the positioning block (26), and the outer wall of the plug block (27) is inserted into the inner wall of the support ring (9).

9. The scraper wear detection mechanism for a scraper evaporator according to claim 3, characterized in that: The inner wall of the movable seat (11) is fixedly installed with a support plate (28), and the outer wall of the support ring (9) is provided with a number of mounting grooves (29). Correspondingly, a number of elastic elements B (30) are fixedly installed between the mounting groove (29) and the support plate (28).

10. The scraper wear detection mechanism for a scraper evaporator according to claim 1, characterized in that: The inner wall of the base (1) is fixedly installed with a control panel (31), and the inner wall of the control panel (31) is fixedly installed with a touch control screen (32), an emergency stop button (33) and a power switch (34).

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