Separation apparatus for hydroxybenzoic acid production

Abstract

The application belongs to the field of hydroxybenzoic acid preparation, and particularly relates to a separation equipment for hydroxybenzoic acid preparation, which comprises a cylinder, a top cover is connected to the top of the cylinder, a separation assembly is arranged on the cylinder, a spraying assembly is arranged on the cylinder, a cutter assembly is arranged on the cylinder, a quick-release assembly is arranged on the cylinder, the spraying assembly comprises a guide seat, the inner wall of the cylinder is fixedly connected with the guide seat, and the inner wall of the guide seat is slidably connected with a guide crank. The separation equipment for hydroxybenzoic acid preparation can complete the turning and stripping operation of filter cake in a closed state through the centrifugal separation structure and the turning tool structure, the filter cake attached to the inner wall of the separation cylinder can be cut without opening the cover, the operation process of filter cake cleaning is simplified, the workload of manual intervention is reduced, the complete stripping in the circumferential direction can be realized by cooperating with the rotation of the separation cylinder, the comprehensiveness of filter cake stripping is ensured, and the smoothness of filter cake discharge is improved.

Description

Technical Field

[0001] This invention relates to the field of hydroxybenzoic acid preparation technology, specifically to a separation device for the preparation of hydroxybenzoic acid. Background Technology

[0002] In the preparation and production process of hydroxybenzoic acid, solid-liquid separation is one of the core links in the purification process. The performance of the separation equipment directly affects the product yield, purity and overall production efficiency. With the development of technology in the fine chemical industry, the production scale and quality requirements of hydroxybenzoic acid are constantly increasing. The processing efficiency of filter cake, the ease of equipment maintenance and the closed stability of operation during the separation process have become important factors restricting production efficiency.

[0003] Currently, existing hydroxybenzoic acid separation equipment cannot complete the peeling of the inner wall filter cake in a closed state. The spray rinsing unit is fixed in position and cannot be adjusted, and the cooling and rinsing coverage is limited, making it difficult to adapt to the needs of turning operations. At the same time, the top cover locking unit of the equipment mostly adopts a bolt fastening structure, and the screws are usually set in multiple sets, which makes disassembly and assembly time-consuming and inconvenient for alignment and installation, which is not conducive to the daily maintenance and internal cleaning of the equipment. In view of this, we propose a separation equipment for the preparation of hydroxybenzoic acid. Summary of the Invention

[0004] The main objective of this invention is to provide a separation device for the preparation of hydroxybenzoic acid, which can solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides a separation device for the preparation of hydroxybenzoic acid, comprising a cylindrical body, a top cover snapped onto the top of the cylindrical body, a separation assembly disposed on the cylindrical body, a spray assembly disposed on the cylindrical body, a blade assembly disposed on the cylindrical body, and a quick-release assembly disposed on the cylindrical body. The spray assembly includes: A guide seat is fixedly connected to the inner wall of the cylinder. A guide crank is slidably connected to the inner wall of the guide seat. A spray pipe is fixedly connected to the top of the guide crank. A positioning sleeve is fixedly connected to the end of the spray pipe away from the guide crank. The outer wall of the positioning sleeve is rotatably connected to a synchronous wheel. The bottom of the cylinder is fixedly connected to a second discharge pipe. The top of the top cover is fixedly connected to an electric cylinder. The output end of the electric cylinder is fixedly connected to a push slot frame. The top of the top cover is fixedly connected to a slide rail.

[0006] Preferably, the pusher frame has an inclined slide groove, the outer wall of the synchronous wheel is slidably connected to the inner wall of the inclined slide groove, and the bottom of the pusher frame is slidably connected to the top of the slide rail, which provides support and guidance for the lateral movement of the pusher frame.

[0007] Preferably, the separation assembly includes a support ring platform, the inner wall of the cylinder is fixedly connected to the support ring platform, the inner wall of the support ring platform is rotatably connected to the centrifugal separation cylinder, the outer wall of the support ring platform is fitted with a liquid-proof sleeve, and the support ring platform provides support for the rotation of the centrifugal separation cylinder.

[0008] Preferably, the end of the anti-liquid sleeve away from the support ring is welded to the outer wall of the centrifugal separator, a motor is fixedly connected to the inner wall of the separator, a drive gear is fixedly connected to the output end of the motor, and an internal gear ring is fixedly connected to the bottom of the centrifugal separator, with the drive gear meshing with the internal gear ring.

[0009] Preferably, a first discharge pipe is fixedly connected to the inner wall of the cylinder, the bottom of the centrifugal separator cylinder is rotatably connected to the first discharge pipe, and a feed pipe is fixedly connected to the top of the top cover.

[0010] Preferably, the tool assembly includes a linear module, the top of the top cover is fixedly connected to the linear module, the outer wall of the movable part of the linear module is fixedly connected to a connecting right angle plate, the top of the top cover is fixedly connected to a guide sleeve, and the inner wall of the guide sleeve is slidably connected to a lifting rod, the guide sleeve limiting the movement direction of the lifting rod.

[0011] Preferably, the top of the lifting rod is fixedly connected to the bottom of the connecting right-angle plate, the bottom of the lifting rod is fixedly connected to a tool holder, and the bottom of the tool holder is fixedly connected to a lathe tool.

[0012] Preferably, the quick-release assembly includes a support rod, the outer wall of the cylinder is fixedly connected to the support rod, the end face of the support rod is fixedly connected to a stop block, the outer wall of the support rod is slidably connected to a limit block, and the stop block and the limit block are elastically connected by a compression spring.

[0013] Preferably, a guide ring seat is fixedly connected to the top of the top cover, a rotating ring is rotatably connected to the outer wall of the guide ring seat, a pushing block is fixedly connected to the outer wall of the rotating ring, a pushing rod is slidably connected to the inner wall of the pushing block, a docking rod is fixedly connected to the bottom of the top cover, and a docking hole is provided at the top of the cylinder, with the docking rod fitting into the docking hole.

[0014] Preferably, the bottom of the top cover is fixedly connected to an abutment ring, the bottom of the top cover is fixedly connected to a guide tube, the top of the top cover has a first temporary hole, and the top of the top cover has a second temporary hole, both of which are adapted to the push rod.

[0015] This invention provides a separation device for the preparation of hydroxybenzoic acid. It has the following beneficial effects: (1) The separation equipment for preparing hydroxybenzoic acid can complete the peeling of filter cake in a closed state by using a centrifugal separation structure and a turning tool structure. The filter cake attached to the inner wall of the separation cylinder can be cut without opening the cover, which simplifies the filter cake cleaning process and reduces the amount of manual intervention. At the same time, the rotation of the separation cylinder can achieve complete circumferential peeling, ensuring the comprehensiveness of filter cake peeling and improving the smoothness of filter cake discharge.

[0016] (2) The centrifugal separation structure of the separation equipment for the preparation of hydroxybenzoic acid, combined with the spray structure, can output cleaning fluid during the turning operation to cool down the cutting tool and slow down the wear rate of the cutting tool. At the same time, it can rinse the filter cake after turning and peeling, and assist the filter cake to flow downward and be discharged. The spray structure can be finely adjusted vertically, and the spray coverage can be expanded in conjunction with the rotation of the separation cylinder to ensure the cooling and rinsing effect.

[0017] (3) The quick-release structure of the separation equipment for the preparation of hydroxybenzoic acid can realize the quick disassembly and assembly of the top cover. The locking and unlocking of the top cover can be completed without the aid of additional tools. The rotation operation can push the limiting structure to complete the unlocking. The alignment and plugging structure can ensure the alignment accuracy during installation. The locking state is stable and reliable, effectively improving the disassembly and assembly efficiency during equipment maintenance and internal cleaning, and reducing the time spent on opening the cover. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic cross-sectional view of the guide seat and centrifugal separation cylinder of the present invention; Figure 3 This is a cross-sectional view of the support ring and the anti-liquid sleeve of the present invention. Figure 4 This is an exploded cross-sectional view of the top cover and guide crank section of the present invention; Figure 5 This is a schematic diagram of the structure of the pusher frame and slide rail of the present invention; Figure 6 This is a schematic diagram of the guide sleeve and lifting rod structure of the present invention; Figure 7 This is an exploded cross-sectional view of the guide ring seat and rotating ring portion of the present invention; Figure 8 This is a schematic diagram of the structure of the present invention. Figure 7 An enlarged diagram of A in the diagram.

[0020] Reference numerals: 1. Cylinder; 2. Top cover; 3. Separation assembly; 31. Support ring platform; 32. Centrifugal separator; 33. Liquid-proof sleeve; 34. Motor; 35. Drive gear; 36. Internal gear ring; 37. First discharge pipe; 38. Feed pipe; 4. Spray assembly; 41. Guide seat; 42. Guide crank; 43. Spray pipe; 44. Positioning sleeve; 45. Synchronous pulley; 46. Second discharge pipe; 47. Electric cylinder; 48. Pushing trough frame; 481. Inclined slide. 49. Slide rail; 5. Tool assembly; 51. Linear module; 52. Connecting right angle plate; 53. Guide sleeve; 54. Lifting rod; 55. Tool holder; 56. Lathe tool; 6. Quick release assembly; 61. Support rod; 62. Stop block; 63. Limiting block; 64. Guide ring seat; 65. Rotating ring; 66. Pushing curved block; 67. Pushing insert; 68. Connecting rod; 69. Connecting hole; 7. Abutting ring platform; 8. Guide tube; 9. First temporary hole; 10. Second temporary hole.

[0021] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figure 1 - Figure 8This invention proposes a separation device for the preparation of hydroxybenzoic acid, comprising a cylindrical body 1, which serves as the main housing component of the device, supporting various internal separation and processing components and providing a closed processing space for material separation operations. A top cover 2 is snapped onto the top of the cylindrical body 1, serving as the top sealing component of the device, which can be closed on the top of the cylindrical body 1 to seal the top opening of the cylindrical body 1, while also supporting various functional components installed on the top. A separation assembly 3 is provided on the cylindrical body 1, which is a material centrifugal separation functional component used for centrifugal separation of hydroxybenzoic acid materials to achieve solid-liquid separation. In the two-phase separation operation, the cylinder 1 is equipped with a spray assembly 4, which is a spray rinsing component used to rinse the separated filter cake and cool the cutting tools. The cylinder 1 is also equipped with a cutting tool assembly 5, which is a filter cake cutting component used to cut and peel off the filter cake adhering to the cylinder wall after centrifugal separation, facilitating the collection and discharge of the filter cake. The cylinder 1 is also equipped with a quick-release assembly 6, which is a quick-release component for the top cover 2, used to quickly lock and unlock the top cover 2 and the cylinder 1, facilitating the opening, maintenance and cleaning of the equipment.

[0024] In an embodiment of the present invention, in order to facilitate the processing of filter cake, the spray assembly 4 includes a guide seat 41. The guide seat 41 is fixedly connected to the inner wall of the cylinder 1. The guide seat 41 is a sliding guide member of the guide crank 42 and is fixed to the inner wall of the cylinder 1 to limit the movement direction of the guide crank 42 and ensure the smooth movement of the spray pipe 43. The guide crank 42 is slidably connected to the inner wall of the guide seat 41. The guide crank 42 is a lifting guide support member of the spray pipe 43 and can slide along the inner wall of the guide seat 41 to drive the spray pipe 43 to adjust its vertical position. The top of the guide crank 42 is fixedly connected to the spray pipe 43. The spray pipe 43 is provided with nozzles, and multiple sets of nozzles are provided and linearly and equidistantly distributed. The lifting distance of the spray pipe 43 is greater than the distance between adjacent nozzles. The spray pipe 43 is the execution member of the spraying operation and can spray cleaning liquid to rinse the filter cake and cool the blades. The liquid is supplied through an external liquid supply system.

[0025] Furthermore, a positioning sleeve 44 is fixedly connected to the end of the spray pipe 43 away from the guide crank 42. The positioning sleeve 44 is a mounting and bearing component for the synchronous wheel 45, fixed to the end of the spray pipe 43, used to support the synchronous wheel 45 and transmit lateral driving force to drive the spray pipe 43 to rise and fall. The outer wall of the positioning sleeve 44 is rotatably connected to the synchronous wheel 45, which is a transmission and fitting component, fitted inside the inclined slide 481, and can roll along the inclined slide 481 as the push trough frame 48 moves laterally, converting the lateral power into the vertical lifting power of the spray pipe 43. A second discharge pipe 46 is fixedly connected to the bottom of the cylinder 1. The second discharge pipe 46 is a discharge component for the separated filtrate, used to discharge the filtrate generated after centrifugal separation from the bottom of the cylinder 1, and can also discharge the cleaning liquid discharged from the spray pipe 43. An electric... Cylinder 47, the electric cylinder 47 is the power source component for spray adjustment, which can output linear driving force to drive the pusher frame 48 to move laterally and reciprocally. The output end of the electric cylinder 47 is fixedly connected to the pusher frame 48. The pusher frame 48 is a groove component with oblique transmission. Through its own lateral movement, it drives the internal oblique slide groove 481 to move synchronously, thereby driving the synchronous wheel 45 to move vertically. The pusher frame 48 has an oblique slide groove 481, which is an oblique guide groove structure. It cooperates with the synchronous wheel 45 to realize the conversion of the transmission direction, converting the lateral movement into a vertical lifting action. The top of the top cover 2 is fixedly connected to the slide rail 49. The slide rail 49 is a sliding support component of the pusher frame 48, which provides support and guidance for the lateral movement of the pusher frame 48, ensuring the smooth and stable movement process. The bottom of the pusher frame 48 is slidably connected to the top of the slide rail 49.

[0026] Furthermore, the separation component 3 includes a support ring platform 31, which is fixedly connected to the inner wall of the cylinder 1. The support ring platform 31 is a rotating support component for the centrifugal separation cylinder 32, fixed to the inner wall of the cylinder 1, providing a support base for the rotational installation of the centrifugal separation cylinder 32. The centrifugal separation cylinder 32 is rotatably connected to the inner wall of the support ring platform 31. The centrifugal separation cylinder 32 is an execution container component for centrifugal separation, which can rotate at high speed to generate centrifugal force, realizing the solid-liquid centrifugal separation of materials. At the same time, the filter cake will adhere to its inner wall. A liquid-proof sleeve 33 is fitted on the outer wall of the support ring platform 31. The liquid-proof sleeve 33 is a gap sealing protection component, fitted at the connection gap between the support ring platform 31 and the centrifugal separation cylinder 32, which can prevent material liquid from leaking from the rotation gap. The end of the liquid-proof sleeve 33 away from the support ring platform 31 is welded to the outer wall of the centrifugal separation cylinder 32. A motor 34 is fixedly connected to the inner wall of the cylinder 1. The motor 34 is a power source component for centrifugal rotation, which can output rotational power to drive the main... The rotating gear 35 provides power input for centrifugal separation. The output end of the motor 34 is fixedly connected to the drive gear 35, which rotates with the output end of the motor 34. It transmits rotational power through meshing with the internal gear ring 36. The bottom of the centrifugal separation cylinder 32 is fixedly connected to the internal gear ring 36, which meshes with the drive gear 35 to drive the centrifugal separation cylinder 32 to rotate synchronously and realize the transmission of power. The drive gear 35 and the internal gear ring 36 mesh with each other. The inner wall of the cylinder 1 is fixedly connected to the first discharge pipe 37, which is a discharge component for rinsing waste liquid and filter cake. It is used to discharge the rinsing waste liquid and the peeled filter cake from the bottom of the cylinder 1. The bottom of the centrifugal separation cylinder 32 is rotatably connected to the first discharge pipe 37. The top of the top cover 2 is fixedly connected to the feed pipe 38, which is a material feeding channel component. It is used to pass the hydroxybenzoic acid material to be separated into the centrifugal separation cylinder 32 for separation processing.

[0027] Furthermore, the tool assembly 5 includes a linear module 51, which is fixedly connected to the top of the top cover 2. The linear module 51 is a power drive component for tool lifting and lowering, capable of outputting linear lifting power to drive the connecting right-angle plate 52 to adjust its vertical position. The connecting right-angle plate 52 is fixedly connected to the outer wall of the movable part of the linear module 51. The connecting right-angle plate 52 is a transmission connection component, connecting the movable end of the linear module 51 to the lifting rod 54, transmitting the power of the linear module 51 to the lifting rod 54. A guide sleeve 53 is fixedly connected to the top of the top cover 2. The guide sleeve 53 is a sliding guide component for the lifting rod 54, fixed to the top of the top cover 2, limiting the movement direction of the lifting rod 54, and ensuring the verticality of the lifting process. A lifting rod 54 is slidably connected to the inner wall of the guide sleeve 53. The lifting rod 54 is a vertical transmission rod component that can slide along the inner wall of the guide sleeve 53, driving the bottom tool holder 55 and the cutting tool 56 to move vertically. The top of the lifting rod 54 is fixedly connected to the bottom of the connecting right angle plate 52, and the bottom of the lifting rod 54 is fixedly connected to the tool holder 55. The tool holder 55 is a mounting and fixing seat component for the cutting tool 56, fixed to the bottom of the lifting rod 54, and is used to support and install the cutting tool 56, ensuring the stability of the installation of the cutting tool 56. The bottom of the tool holder 55 is fixedly connected to the cutting tool 56, which is the execution component for filter cake turning. After being fed to the corresponding position with the lifting rod 54, it cooperates with the rotation of the centrifugal separator 32 to turn and peel off the filter cake on the inner wall.

[0028] Furthermore, the quick-release assembly 6 includes a support rod 61. The support rod 61 is fixedly connected to the outer wall of the cylinder 1. The support rod 61 is a sliding support component for the limiting block 63, fixed to the outer wall of the cylinder 1, providing a support base for the sliding installation of the limiting block 63. A stop block 62 is fixedly connected to the end face of the support rod 61. The stop block 62 can limit the limiting block 63, is fixed to the end of the support rod 61, and can also be used to limit the end of the compression spring, providing an elastic support point. The outer wall of the support rod 61 is slidably connected to... A limiting block 63 is connected to the top cover 2. The limiting block 63 is a locking and limiting component of the top cover 2, which can slide along the support rod 61 to lock and limit the position of the top cover 2, thereby locking and fixing the top cover 2. The stop block 62 and the limiting block 63 are elastically connected by a compression spring. A guide ring seat 64 is fixedly connected to the top of the top cover 2. The guide ring seat 64 is a rotation support component for the rotating ring 65. It is fixed to the top of the top cover 2 and provides a guide support for the rotational installation of the rotating ring 65. The outer wall of the guide ring seat 64 is rotatably connected to the rotating ring 65. Ring 65 is a rotating ring component that can rotate around guide ring seat 64, driving push block 66 to rotate synchronously to drive the unlocking action. Push block 66 is fixedly connected to the outer wall of rotating ring 65. Push block 66 is an unlocking push component that rotates synchronously with rotating ring 65, pushing limit block 63 to slide outward to release the lock on top cover 2. Push rod 67 is slidably connected to the inner wall of push block 66. Push rod 67 is a rotating positioning pin component that can be inserted into the first temporary hole 9 or the second temporary hole 1. The rotation angle of the inner fixed rotating ring 65 is maintained to maintain the unlocked or locked state. The bottom of the top cover 2 is fixedly connected to the docking rod 68. The docking rod 68 is the alignment plug-in component for the installation of the top cover 2. It is fixed to the bottom of the top cover 2 and cooperates with the docking hole 69 to realize the alignment guide for the installation of the top cover 2. The top of the cylinder 1 is provided with a docking hole 69. The docking hole 69 is the alignment hole component for the installation of the top cover 2. It is plugged into the docking rod 68 to ensure the accuracy of the installation alignment of the top cover 2 and the cylinder 1. The docking rod 68 is compatible with the docking hole 69.

[0029] Furthermore, the bottom of the top cover 2 is fixedly connected to an abutment ring 7, which is an abutment sealing component for the top cover 2 when closed. It is fixed to the bottom of the top cover 2 and abuts against the top of the cylinder 1 when closed, improving the sealing performance after closing. The bottom of the top cover 2 is fixedly connected to a guide tube 8, which is used to guide the material falling from the feed pipe 38 and is fixed to the bottom of the top cover 2. The top of the top cover 2 is provided with a first temporary hole 9, which is a positioning hole component in the locked state. It can fix the locking position of the rotating ring 65 and maintain the locked state of the top cover 2 by cooperating with the push rod 67. The top of the top cover 2 is provided with a second temporary hole 10, which is a positioning hole component in the unlocked state. It can fix the unlocked position of the rotating ring 65 and maintain the unlocked state of the top cover 2 by cooperating with the push rod 67. Both the first temporary hole 9 and the second temporary hole 10 are adapted to the push rod 67.

[0030] In this invention, during use, the hydroxybenzoic acid material to be separated is fed into the centrifugal separator 32 through the feed pipe 38. The motor 34 is started to drive the drive gear 35 to rotate. Through the meshing transmission with the internal gear ring 36, the centrifugal separator 32 is driven to rotate along the inner wall of the support ring platform 31. The anti-liquid sleeve 33 rotates synchronously with the centrifugal separator 32 and seals the connection gap. The filtrate generated by centrifugal separation is discharged through the second discharge pipe 46, and the filter cake is attached to the inner wall of the centrifugal separator 32. After separation, the linear module 51 is activated to drive the connecting right-angle plate 52 to move down, pushing the lifting rod 54 to slide down along the guide sleeve 53 and the inner wall of the guide tube 8. The cutting tool 56 is fed to the corresponding depth through the tool holder 55, and the filter cake on the inner wall is peeled off by turning in conjunction with the continuous rotation of the centrifugal separation cylinder 32. During the turning process, the electric cylinder 47 is started, which drives the pusher frame 48 to move laterally along the slide rail 49. The inclined slide 481 pushes the synchronous wheel 45 to form a vertical displacement. The positioning sleeve 44 drives the spray pipe 43 to adjust its position vertically along the guide seat 41. The spray pipe 43 sprays cleaning fluid to cool the cutting tool 56 and washes the peeled filter cake at the same time. The washing waste liquid and filter cake are discharged through the first discharge pipe 37. When the cover needs to be opened for maintenance, pull out the push rod 67 upwards to disengage it from the first temporary hole 9. Rotate the rotating ring 65 along the guide ring seat 64 to drive the push block 66 to push the limit block 63 to slide outwards along the support rod 61. The compression spring is compressed, releasing the lock on the top cover 2. Insert the push rod 67 into the second temporary hole 10 to fix the unlocked state. Lift the top cover 2 upwards to disengage the docking rod 68 from the docking hole 69, thus completing the opening operation. During installation, align the docking rod 68 with the docking hole 69 and press it down. After releasing the push rod 67, the compression spring drives the limit block 63 to reset, relocking the top cover 2.

[0031] It should be noted that the above electrical components are all existing technology products. Those skilled in the art should select, install and complete the circuit debugging work according to the needs of use to ensure that all electrical appliances can work normally. The components are all general standard parts or components known to those skilled in the art. Their structure and principle can be known by those skilled in the art through technical manuals or conventional experimental methods. No specific restrictions are made here.

[0032] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A separation device for the preparation of hydroxybenzoic acid, comprising a cylindrical body (1), characterized in that: The top of the cylinder (1) is snapped with a top cover (2), a separation component (3) is provided on the cylinder (1), a spray component (4) is provided on the cylinder (1), a knife component (5) is provided on the cylinder (1), and a quick-release component (6) is provided on the cylinder (1). The spray component (4) includes: Guide seat (41), the inner wall of the cylinder (1) is fixedly connected to the guide seat (41), the inner wall of the guide seat (41) is slidably connected to the guide crank (42), the top of the guide crank (42) is fixedly connected to the spray pipe (43), and the end of the spray pipe (43) away from the guide crank (42) is fixedly connected to the positioning sleeve (44). Synchronous wheel (45), the outer wall of the positioning sleeve (44) is rotatably connected to the synchronous wheel (45), the bottom of the cylinder (1) is fixedly connected to the second discharge pipe (46), the top of the top cover (2) is fixedly connected to the electric cylinder (47), the output end of the electric cylinder (47) is fixedly connected to the push slot frame (48), and the top of the top cover (2) is fixedly connected to the slide rail (49).

2. The separation equipment for preparing hydroxybenzoic acid according to claim 1, characterized in that: The pusher frame (48) is provided with an inclined slide groove (481), the outer wall of the synchronous wheel (45) is slidably connected to the inner wall of the inclined slide groove (481), and the bottom of the pusher frame (48) is slidably connected to the top of the slide rail (49).

3. The separation equipment for preparing hydroxybenzoic acid according to claim 1, characterized in that: The separation component (3) includes a support ring platform (31), the inner wall of the cylinder (1) is fixedly connected to the support ring platform (31), the inner wall of the support ring platform (31) is rotatably connected to the centrifugal separation cylinder (32), and the outer wall of the support ring platform (31) is fitted with a liquid-proof sleeve (33).

4. The separation equipment for preparing hydroxybenzoic acid according to claim 3, characterized in that: The end of the anti-liquid sleeve (33) away from the support ring (31) is welded to the outer wall of the centrifugal separator (32). The inner wall of the cylinder (1) is fixedly connected to a motor (34). The output end of the motor (34) is fixedly connected to a drive gear (35). The bottom of the centrifugal separator (32) is fixedly connected to an internal gear ring (36). The drive gear (35) and the internal gear ring (36) mesh with each other.

5. The separation device for preparing hydroxybenzoic acid according to claim 4, characterized in that: The inner wall of the cylinder (1) is fixedly connected to a first discharge pipe (37), the bottom of the centrifugal separator (32) is rotatably connected to the first discharge pipe (37), and the top of the top cover (2) is fixedly connected to a feed pipe (38).

6. The separation device for preparing hydroxybenzoic acid according to claim 1, characterized in that: The tool assembly (5) includes a linear module (51), the top of the top cover (2) is fixedly connected to the linear module (51), the outer wall of the movable part of the linear module (51) is fixedly connected to a connecting right angle plate (52), the top of the top cover (2) is fixedly connected to a guide sleeve (53), and the inner wall of the guide sleeve (53) is slidably connected to a lifting rod (54).

7. The separation device for preparing hydroxybenzoic acid according to claim 6, characterized in that: The top of the lifting rod (54) is fixedly connected to the bottom of the connecting right angle plate (52), and the bottom of the lifting rod (54) is fixedly connected to the tool holder (55), and the bottom of the tool holder (55) is fixedly connected to the lathe tool (56).

8. The separation equipment for preparing hydroxybenzoic acid according to claim 1, characterized in that: The quick-release assembly (6) includes a support rod (61), the outer wall of the cylinder (1) is fixedly connected to the support rod (61), the end face of the support rod (61) is fixedly connected to a stop (62), the outer wall of the support rod (61) is slidably connected to a limit block (63), and the stop (62) and the limit block (63) are elastically connected by a compression spring.

9. The separation equipment for preparing hydroxybenzoic acid according to claim 8, characterized in that: The top of the top cover (2) is fixedly connected to a guide ring seat (64), the outer wall of the guide ring seat (64) is rotatably connected to a rotating ring (65), the outer wall of the rotating ring (65) is fixedly connected to a pushing block (66), the inner wall of the pushing block (66) is slidably connected to a pushing rod (67), the bottom of the top cover (2) is fixedly connected to a docking rod (68), and the top of the cylinder (1) is provided with a docking hole (69), the docking rod (68) is adapted to the docking hole (69).

10. The separation device for preparing hydroxybenzoic acid according to claim 9, characterized in that: The bottom of the top cover (2) is fixedly connected to an abutment ring (7), and the bottom of the top cover (2) is fixedly connected to a guide tube (8). The top of the top cover (2) is provided with a first temporary hole (9) and a second temporary hole (10). Both the first temporary hole (9) and the second temporary hole (10) are adapted to the push rod (67).

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