Production and separation device for producing dimethyl disulfide

Abstract

The invention relates to the technical field of dimethyl disulfide production, in particular to a dimethyl disulfide production separation device which comprises a separation evaporation tank and a tank cover arranged on the upper end face of the separation evaporation tank, and an impurity cleaning assembly is arranged on the tank cover. Through the arrangement of the impurity cleaning assembly, impurities attached to the inner side wall surface of the separation evaporation tank can be cleaned up and down in a reciprocating manner, and the bottom end of the inner side of the separation evaporation tank can be scraped and cleaned, so that the cleaning range of the inner side wall surface of the separation evaporation tank is large, and the inner side wall surface of the separation evaporation tank is cleaned more thoroughly; impurities attached to the inner side wall surface of the separating and evaporating tank can be subjected to transverse and longitudinal cleaning force, so that the firmly attached impurities can be cleaned, in addition, the inner side wall surface of the separating and evaporating tank can be vibrated, so that the impurities attached to the inner side wall surface of the separating and evaporating tank are loosened, and the separating and evaporating efficiency is improved. Therefore, the cleaning capacity of the impurity cleaning assembly on impurities attached to the inner side wall surfaces of the branch evaporation tanks is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of dimethyl disulfide production, and particularly relates to a production separation device for producing dimethyl disulfide. BACKGROUND

[0002] The production separation device for producing dimethyl disulfide is a device for producing dimethyl disulfide in industry. Dimethyl disulfide is an organic compound with a special odor, which is widely used in the chemical industry, especially in the production of sulfides, such as in the processing of petroleum and natural gas, it is often used as a protective agent for catalyst poisoning, or for the synthesis of pesticides, spices, etc. The commonly used production separation device for producing dimethyl disulfide includes: 1, distillation method: using the boiling point difference of different substances, separating dimethyl disulfide from other gases or liquids. 2, adsorption method: using adsorbent to adsorb and separate dimethyl disulfide from gas or liquid. 3, membrane separation method: selectively allowing dimethyl disulfide to pass through the semi-permeable membrane, so as to separate from other substances.

[0003] At present, when the mixed liquid for producing dimethyl disulfide is distilled, the impurities in the mixed liquid for producing dimethyl disulfide are easy to coking and adhere to the inner wall of the distillation equipment due to the high temperature inside the distillation equipment. The impurities adhered to the inner wall of the distillation equipment are not easy to be cleaned by the conventional water flushing method. With the long time use of the distillation equipment, the thickness of the impurities on the inner wall of the distillation equipment will gradually increase, which will reduce the amount of the mixed liquid for producing dimethyl disulfide that can be stored in the distillation equipment.

[0004] Therefore, the application provides a production separation device for producing dimethyl disulfide. SUMMARY

[0005] In order to solve the above problems, the purpose of the application is to provide a production separation device for producing dimethyl disulfide.

[0006] In order to achieve the above purpose, the application provides a production separation device for producing dimethyl disulfide, which comprises a separation evaporation tank and a tank cover arranged on the upper end face of the separation evaporation tank. The tank cover is provided with an impurity cleaning assembly, which is distributed on the upper end face of the tank cover and the inner side of the separation evaporation tank. The impurity cleaning assembly is used for cleaning the impurities adhered to the inner wall of the separation evaporation tank up and down, and also makes the cleaned inner wall of the separation evaporation tank vibrate, so as to loosen the impurities adhered to the inner wall of the separation evaporation tank.

[0007] Preferably, the impurity cleaning assembly comprises a servo motor arranged on the upper end surface of the tank cover and a drive shaft arranged inside the separation evaporation tank, one end of the drive shaft is rotatably connected with the tank cover, the output end of the servo motor is connected with the drive shaft, the other end of the drive shaft is provided with a rotating block, the rotating block is provided with a first scraper, the first scraper is provided with a plurality of first scrapers, the lower end surface of the first scraper is attached to the bottom end inside the separation evaporation tank, and the end of the first scraper away from the rotating block is arranged on the inner wall surface of the separation evaporation tank.

[0008] Preferably, the inner wall surface of the separation evaporation tank is provided with a gear ring, the transmission gear of the gear ring is arranged on the inner wall surface of the gear ring, the drive shaft is provided with a connecting plate, the connecting plate is provided with a gear, the gear is located inside the gear ring, and the gear is engaged with the gear ring.

[0009] Preferably, one of the first scrapers is provided with a connecting block, a bidirectional screw rod is rotatably arranged on the connecting block, one end of the bidirectional screw rod away from the connecting block penetrates through the connecting plate and is connected with the gear, a guide rod is arranged on one side of the bidirectional screw rod, and both ends of the guide rod are connected with the connecting plate and the connecting block respectively.

[0010] Preferably, a moving block is threadedly arranged on the bidirectional screw rod, the guide rod penetrates through the moving block, one end of the moving block is provided with a socket, a spiral spring is arranged inside the socket, a second scraper is inserted into the socket, one end of the spiral spring inside the socket is connected with the second scraper inside the socket, one end of the second scraper away from the moving block is arranged on the inner wall surface of the separation evaporation tank, and a fixing ring is arranged on the drive shaft and located below the connecting plate.

[0011] Preferably, a fixing plate is arranged on the fixing ring, one end of the fixing plate is provided with a groove, a reset spring is arranged inside the groove, a vibration knocking rod is inserted into the groove, and one end of the reset spring inside the groove is connected with the vibration knocking rod inside the groove.

[0012] Preferably, a connecting ring is arranged below the gear ring, the positions of the vibration knocking rod and the connecting ring correspond to each other, the vibration knocking rod arranged on one end of the fixing plate is arranged on the inner wall surface of the connecting ring, the connecting ring is arranged on the inner wall surface of the separation evaporation tank, a slot is arranged on the inner wall surface of the connecting ring, a first inclination angle is arranged at the junction of the slot and the inner wall surface of the connecting ring, and the first inclination angle extends to the bottom end inside the slot.

[0013] Preferably, a second inclination angle is arranged on one end of the vibration knocking rod away from the fixing plate, and the second inclination angle is parallel to the first inclination angle on the slot.

[0014] Preferably, the upper end surface of the tank cover is provided with a steam outlet pipe and a feeding assembly, the lower end surface of the separation evaporating tank is provided with a plurality of impurity discharge pipes, the plurality of impurity discharge pipes are arranged in a circumferential array, the impurity discharge pipes are communicated with the separation evaporating tank, and the impurity discharge pipes are provided with control valves.

[0015] Preferably, the feeding assembly comprises a connecting pipe arranged on the tank cover, a feeding pipe sleeved on the connecting pipe, and a control valve arranged on the connecting pipe, wherein the feeding pipe is connected with the connecting pipe through threads, the top end of the feeding pipe is provided with a feeding hopper, and the inner side of the feeding pipe is provided with a plurality of filter screens.

[0016] The production separation device for producing dimethyl disulfide can bring the following beneficial effects: 1. The impurity cleaning assembly can clean the impurities attached to the inner side wall of the separation evaporating tank up and down, scrape and clean the bottom end of the inner side of the separation evaporating tank, thereby cleaning a larger range of the inner side wall of the separation evaporating tank, making the inner side wall of the separation evaporating tank cleaner, and enabling the impurities attached to the inner side wall of the separation evaporating tank to be removed in a transverse and longitudinal manner, thereby removing the firmly attached impurities, and further enabling the inner side wall of the separation evaporating tank to vibrate, thereby loosening the impurities attached to the inner side wall of the separation evaporating tank, and improving the cleaning capacity of the impurity cleaning assembly for the impurities attached to the inner side wall of the separation evaporating tank. 2. The movement of the moving block up and down is realized through the arrangement of the tooth ring, the connecting plate, the first scraper and the connecting block, and the second scraper has the telescopic property through the arrangement of the spiral spring, thereby avoiding the problem that the impurities scraped by the second scraper have too strong adhesion and too strong pulling force to damage the inner side of the separation evaporating tank. 3. The arrangement of the first inclination angle and the second inclination angle enables the vibration knocking rod arranged in the groove of the inner side wall of the connecting ring to easily slide out of the groove. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the descriptions thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0018] In the drawings: Figure 1 It is a schematic diagram of the overall structure of the present application. Figure 2 It is a perspective view of the present application. Figure 3 It is a perspective view of the drive shaft of the present application. Figure 4 It is a perspective view of the connecting ring of the present application. Figure 5 It is a sectional view of the moving block of the present application. Figure 6 is a sectional view of the fixed plate of the present application; Figure 7 is a sectional view of the feeding assembly of the present application.

[0019] in the figure: 1, separation evaporation tank; 2, tank cover; 3, impurity cleaning assembly; 31, servo motor; 32, drive shaft; 33, rotating block; 34, first scraper; 35, gear ring; 36, connecting plate; 37, gear; 38, connecting block; 39, bidirectional screw; 310, guide rod; 311, moving block; 312, socket; 313, spiral spring; 314, second scraper; 315, fixed ring; 316, fixed plate; 317, groove; 318, return spring; 319, vibrating knock rod; 320, connecting ring; 321, notch; 322, first inclination angle; 323, second inclination angle; 4, steam outlet pipe; 5, feeding assembly; 51, connecting pipe; 52, feeding pipe; 53, filter screen; 54, feeding hopper. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0021] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0022] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0023] In the present application, unless specifically defined and limited otherwise, the terms "mount", "connect", "connection", "fixed", and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection, and can also be communication; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one scheme", "some schemes", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0025] As shown in Figures 1-7 The embodiment of the present application proposes a production separation device for producing dimethyl disulfide, which comprises a separation evaporation tank 1 and a tank cover 2 arranged on the upper end face of the separation evaporation tank 1. An impurity cleaning assembly 3 is arranged on the tank cover 2 and distributed on the upper end face of the tank cover 2 and the inner side of the separation evaporation tank 1. The impurity cleaning assembly 3 is used for cleaning the impurities attached to the inner side wall of the separation evaporation tank 1 up and down, and also vibrating the cleaned inner side wall of the separation evaporation tank 1 to loosen the impurities attached to the inner side wall of the separation evaporation tank 1.

[0026] The arrangement of the impurity cleaning assembly 3 can clean the impurities attached to the inner side wall of the separation evaporation tank 1 up and down and scrape the impurities at the bottom end of the inner side of the separation evaporation tank 1. In this way, the cleaning range of the inner side wall of the separation evaporation tank 1 can be large, so that the inner side wall of the separation evaporation tank 1 can be cleaned more thoroughly. In addition, the impurities attached to the inner side wall of the separation evaporation tank 1 can be subjected to transverse and longitudinal cleaning forces, so that the firmly attached impurities can be cleaned. Furthermore, the inner side wall of the separation evaporation tank 1 can be vibrated, so that the impurities attached to the inner side wall of the separation evaporation tank 1 can be loosened, thereby improving the cleaning ability of the impurity cleaning assembly 3 for the impurities attached to the inner side wall of the separation evaporation tank 1.

[0027] The impurity cleaning assembly 3 comprises a servo motor 31 arranged on the upper end surface of the tank cover 2 and a driving shaft 32 arranged inside the separation evaporation tank 1, one end of the driving shaft 32 is rotationally connected with the tank cover 2, and the output end of the servo motor 31 is butted with the driving shaft 32, the other end of the driving shaft 32 is provided with a rotating block 33, the rotating block 33 is provided with a first scraper 34, a plurality of first scrapers 34 are arranged, the lower end surface of the first scraper 34 is attached to the bottom end inside the separation evaporation tank 1, and the end of the first scraper 34 away from the rotating block 33 is arranged on the inner wall surface of the separation evaporation tank 1. The inner wall surface of the separation evaporation tank 1 is provided with a gear ring 35, the transmission teeth of the gear ring 35 are arranged on the inner wall surface of the gear ring 35, the driving shaft 32 is provided with a connecting plate 36, the connecting plate 36 is provided with a gear 37, the gear 37 is located inside the gear ring 35, and the gear 37 is engaged with the gear ring 35. One of the first scrapers 34 is provided with a connecting block 38, the connecting block 38 is rotationally provided with a bidirectional screw rod 39, one end of the bidirectional screw rod 39 away from the connecting block 38 penetrates through the connecting plate 36 and is butted with the gear 37, one side of the bidirectional screw rod 39 is provided with a guide rod 310, and both ends of the guide rod 310 are connected with the connecting plate 36 and the connecting block 38 respectively. The bidirectional screw rod 39 is sleeved with a moving block 311 through threads, the guide rod 310 penetrates through the moving block 311, one end of the moving block 311 is provided with a socket 312, a helical spring 313 is arranged inside the socket 312, a second scraper 314 is inserted into the socket 312, one end of the helical spring 313 inside the socket 312 is connected with the second scraper 314 inside the socket 312, one end of the second scraper 314 away from the moving block 311 is arranged on the inner wall surface of the separation evaporation tank 1, and the driving shaft 32 is provided with a fixing ring 315 located below the connecting plate 36. The fixing ring 315 is provided with a fixed plate 316, one end of the fixed plate 316 is provided with a groove 317, a reset spring 318 is arranged inside the groove 317, a vibration knocking rod 319 is inserted into the groove 317, and one end of the reset spring 318 inside the groove 317 is connected with the vibration knocking rod 319 inside the groove 317. A connecting ring 320 is arranged below the gear ring 35, the positions of the vibration knocking rod 319 and the connecting ring 320 correspond to each other, the vibration knocking rod 319 arranged at one end of the fixed plate 316 is arranged on the inner wall surface of the connecting ring 320, the connecting ring 320 is arranged on the inner wall surface of the separation evaporation tank 1, a slot 321 is arranged on the inner wall surface of the connecting ring 320, a first inclined angle 322 is arranged at the junction of the slot 321 and the inner wall surface of the connecting ring 320, and the first inclined angle 322 extends to the bottom end inside the slot 321. One end of the vibration knocking rod 319 away from the fixed plate 316 is provided with a second inclined angle 323, and the second inclined angle 323 is parallel to the first inclined angle 322 on the slot 321.

[0028] The cross section of the first scraper 34 is in the shape of a circular arc, and the circular arc-shaped first scraper 34 can concentrate the collected impurities at the bottom end of the inner side of the separation evaporation tank 1 to the rotating block 33.

[0029] In this embodiment, when the impurities attached to the inner side wall of the separation evaporation tank 1 need to be cleaned, the servo motor 31 is started, the servo motor 31 drives the driving shaft 32 to rotate, the driving shaft 32 drives the connecting plate 36, the fixed ring 315, and the rotating block 33 to rotate, the rotating block 33 drives the first scraper 34 to rotate, the rotation of the first scraper 34 removes the impurities attached to the bottom end of the inner side of the separation evaporation tank 1, the connecting plate 36 drives the gear 37 and the bidirectional screw rod 39 to rotate in a circle, the gear 37 rotates by meshing with the gear ring 35 during rotation, the gear 37 drives the bidirectional screw rod 39 to rotate, the bidirectional screw rod 39 drives the moving block 311 and the second scraper 314 thereon to move up and down, if the second scraper 314 passes through the firmly attached impurities on the inner side wall of the separation evaporation tank 1 and the second scraper 314 receives a larger resistance, the second scraper 314 will move to the bottom end of the port 312 at one end of the moving block 311, the second scraper 314 will extrude the spiral spring 313 inside the port 312 during movement, when the second scraper 314 is disengaged from the firmly attached impurities, the second scraper 314 continues to be positioned on the inner side wall of the separation evaporation tank 1 under the elastic force of the spiral spring 313, thereby repeatedly cleaning the impurities attached to the inner side wall of the separation evaporation tank 1, and the firmly attached impurities are removed from the inner side wall of the separation evaporation tank 1 after being scraped by the second scraper 314 multiple times, the rotation of the fixed ring 315 drives the connecting ring 320 to rotate, the connecting ring 320 drives the vibration knocking rod 319 to rotate, when one end of the vibration knocking rod 319 rotates to the slot 321 on the connecting ring 320, the vibration knocking rod 319 directly knocks against the bottom end inside the slot 321 under the action of the return spring 318, the connecting ring 320 is vibrated under stress, the connecting ring 320 drives the inner side wall of the separation evaporation tank 1 to vibrate, the vibration of the inner side wall of the separation evaporation tank 1 loosens the impurities on the inner side wall of the separation evaporation tank 1, as the vibration knocking rod 319 continues to rotate, the second inclined angle 323 on the vibration knocking rod 319 will be attached to the first inclined angle 322 on the slot 321, as the vibration knocking rod 319 continues to rotate, the vibration knocking rod 319 will move out of the slot 321 along the first inclined angle 322 on the slot 321, thereby repeatedly vibrating the inner side wall of the separation evaporation tank 1 frequently.

[0030] The mobile block 311 moves up and down by the arrangement of the gear ring 35, the connecting plate 36, the first scraper 34 and the connecting block 38, and the second scraper 314 has the elasticity by the arrangement of the spiral spring 313, so that the problem that the strong pulling force of the impurities scraped by the second scraper 314 with too strong adhesion force damages the inner side of the separation evaporation tank 1 is avoided.

[0031] The vibration knocking rod 319 arranged in the inner wall groove 321 of the connecting ring 320 is easy to slide out of the groove 321 by the arrangement of the first inclination angle 322 and the second inclination angle 323.

[0032] The upper end surface of the tank cover 2 is provided with the steam outlet pipe 4 and the feeding assembly 5, the lower end surface of the separation evaporation tank 1 is provided with a plurality of impurity discharge pipes, the plurality of impurity discharge pipes are arranged in a circumferential array, the impurity discharge pipes are communicated with the separation evaporation tank 1, and the impurity discharge pipes are provided with control valves.

[0033] The feeding assembly 5 comprises a connecting pipe 51 arranged on the tank cover 2, a feeding pipe 52 sleeved on the connecting pipe 51, a feeding hopper 54 arranged at the top end of the feeding pipe 52, a plurality of filter screens 53 arranged in the feeding pipe 52, and a control valve arranged on the connecting pipe 51.

[0034] The arrangement of the feeding assembly 5 can preliminarily filter the impurities in the mixed material for producing dimethyl disulfide, so that the impurities adhered to the inner wall surface of the separation evaporation tank 1 are reduced, and in addition, the feeding pipe 52 and the filter screens 53 arranged in the feeding pipe 52 are easy to replace by the threaded connection between the feeding pipe 52 and the connecting pipe 51.

[0035] Working principle: When the impurities attached to the inner side wall of the separation evaporation tank 1 need to be cleaned, the servo motor 31 is started, the servo motor 31 drives the driving shaft 32 to rotate, the driving shaft 32 drives the connecting plate 36, the fixed ring 315, the rotating block 33 to rotate, the rotating block 33 drives the first scraper 34 to rotate, the rotation of the first scraper 34 scrapes off the impurities attached to the inner side bottom end of the separation evaporation tank 1, the connecting plate 36 drives the gear 37, the bidirectional screw rod 39 to rotate, the gear 37 rotates in the process of rotating and rotates by meshing with the gear ring 35, the gear 37 drives the bidirectional screw rod 39 to rotate, the bidirectional screw rod 39 drives the moving block 311 and the second scraper 314 on it to move up and down, if the second scraper 314 passes through the firmly attached impurities on the inner side wall of the separation evaporation tank 1, and the second scraper 314 receives a larger resistance, the second scraper 314 will move to the inner side bottom end of the one end port 312 of the moving block 311, the second scraper 314 will extrude the spiral spring 313 in the inner side of the port 312 in the process of moving, when the second scraper 314 is disengaged from the firmly attached impurities, the second scraper 314 continues to be arranged on the inner side wall of the separation evaporation tank 1 under the elastic force of the spiral spring 313, so as to repeatedly clean the impurities attached to the inner side wall of the separation evaporation tank 1, the firmly attached impurities will be scraped off from the inner side wall of the separation evaporation tank 1 after being scraped off by the second scraper 314 for many times, the rotation of the fixed ring 315 drives the connecting ring 320 to rotate, the connecting ring 320 drives the vibration knocking rod 319 to rotate, when one end of the vibration knocking rod 319 rotates to the slot 321 on the connecting ring 320, the vibration knocking rod 319 directly knocks on the inner side bottom end of the slot 321 under the action of the return spring 318, the connecting ring 320 vibrates under stress, the connecting ring 320 drives the inner side wall of the separation evaporation tank 1 to vibrate, the vibration of the inner side wall of the separation evaporation tank 1 loosens the impurities on the inner side wall of the separation evaporation tank 1, with the continuous rotation of the vibration knocking rod 319, the second inclined angle 323 on the vibration knocking rod 319 will be arranged on the first inclined angle 322 on the slot 321, with the continuous rotation of the vibration knocking rod 319, the vibration knocking rod 319 will move out of the slot 321 along the first inclined angle 322 on the slot 321, so as to repeatedly make the inner side wall of the separation evaporation tank 1 vibrate frequently; when the production mixed material for producing dimethyl disulfide needs to be conveyed to the separation evaporation tank 1, the mixed material is conveyed to the feeding hopper 54, the feeding hopper 54 conveys the mixed material to the feeding pipe 52, the filter screen 53 in the feeding pipe 52 filters the impurities in the mixed material, the filtered mixed material is conveyed to the separation evaporation tank 1 through the connecting pipe 51, when the filter screen 53 in the feeding pipe 52 needs to be replaced, the feeding pipe 52 is rotated to be taken off from the connecting pipe 51, then the filter screen 53 in the feeding pipe 52 is washed or the feeding pipe 52 provided with a new filter screen 53 is screwed on the connecting pipe 51.

[0036] The various embodiments described in this specification are intended to be exemplary only. The same elements having the same reference numerals designate the same elements throughout the various embodiments. Each embodiment described in this specification is intended to be exemplary only. The same elements having the same reference numerals designate the same elements throughout the various embodiments. Each embodiment described in this specification is intended to be exemplary only, and each embodiment highlights the differences from other embodiments. In particular, the system embodiments are described more simply, as they are substantially similar to the method embodiments, and reference is made to the relevant parts of the method embodiments.

[0037] The above description is merely illustrative of the embodiments of the present application and is not intended to limit the present application. The present application can be modified and changed in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A production separation device for producing dimethyl disulfide, comprising a separation evaporation tank (1) and a tank cover (2) arranged on the upper end surface of the separation evaporation tank (1), characterized in that: An impurity cleaning assembly (3) is provided on the tank cover (2). The impurity cleaning assembly (3) is distributed on the upper end surface of the tank cover (2) and the inner side of the separation evaporation tank (1). The impurity cleaning assembly (3) is used to clean impurities attached to the inner wall surface of the separation evaporation tank (1) up and down, and also vibrates the cleaned inner wall surface of the separation evaporation tank (1) to loosen the impurities attached to the inner wall surface of the separation evaporation tank (1).

2. A production and separation device for producing dimethyl disulfide according to claim 1, characterized in that: The impurity cleaning assembly (3) comprises a servo motor (31) arranged on the upper end surface of the tank cover (2) and a drive shaft (32) arranged on the inner side of the separation evaporation tank (1); one end of the drive shaft (32) is rotatably connected to the tank cover (2), and the output end of the servo motor (31) is connected to the drive shaft (32); the other end of the drive shaft (32) is provided with a rotating block (33); a first scraper (34) is provided on the rotating block (33); a plurality of first scrapers (34) are provided; the lower end surface of the first scraper (34) is attached to the inner bottom end of the separation evaporation tank (1); and the end of the first scraper (34) away from the rotating block (33) is placed on the inner wall surface of the separation evaporation tank (1).

3. A production and separation device for producing dimethyl disulfide according to claim 2, characterized in that: The inner wall surface of the separation evaporation tank (1) is provided with a gear ring (35), and the transmission teeth of the gear ring (35) are provided on the inner wall surface of the gear ring (35). A connecting plate (36) is provided on the drive shaft (32), and a gear (37) is provided on the connecting plate (36). The gear (37) is located inside the gear ring (35), and the gear (37) is meshed with the gear ring (35).

4. The production and separation device for producing dimethyl disulfide according to claim 3, characterized in that: A connecting block (38) is provided on one of the first scrapers (34), a bidirectional screw (39) is rotatably provided on the connecting block (38), one end of the bidirectional screw (39) away from the connecting block (38) passes through the connecting plate (36) and docks with the gear (37), a guide rod (310) is provided on one side of the bidirectional screw (39), and both ends of the guide rod (310) are respectively connected to the connecting plate (36) and the connecting block (38).

5. The production and separation device for producing dimethyl disulfide according to claim 4, characterized in that: A moving block (311) is provided on the bidirectional screw (39) through a threaded sleeve, and the guide rod (310) passes through the moving block (311). A socket (312) is provided at one end of the moving block (311), a coil spring (313) is provided inside the socket (312), a second scraper (314) is inserted inside the socket (312), one end of the coil spring (313) inside the socket (312) is connected to the second scraper (314) inside the socket (312), and one end of the second scraper (314) away from the moving block (311) is mounted on the inner wall of the separation evaporation tank (1). A fixing ring (315) is provided on the drive shaft (32), and the fixing ring (315) is located below the connecting plate (36).

6. The production and separation device for producing dimethyl disulfide according to claim 5, characterized in that: A fixing plate (316) is provided on the fixing ring (315), a groove (317) is provided at one end of the fixing plate (316), a return spring (318) is provided inside the groove (317), a vibration knock rod (319) is inserted inside the groove (317), and one end of the return spring (318) inside the groove (317) is connected to the vibration knock rod (319) inside the groove (317).

7. The production and separation device for producing dimethyl disulfide according to claim 6, characterized in that: A connecting ring (320) is provided below the gear ring (35); the positions of the vibration knocking rod (319) and the connecting ring (320) correspond to each other; and the vibration knocking rod (319) provided at one end of the fixing plate (316) is mounted on the inner wall of the connecting ring (320); the connecting ring (320) is provided on the inner wall of the separation evaporation tank (1); a notch (321) is provided on the inner wall of the connecting ring (320); a first inclination angle (322) is provided at the junction of the notch (321) and the inner wall of the connecting ring (320); the first inclination angle (322) extends to the inner bottom end of the notch (321).

8. The production and separation device for producing dimethyl disulfide according to claim 7, characterized in that: A second inclination angle (323) is provided at one end of the vibration knocking rod (319) away from the fixed plate (316), and the second inclination angle (323) is parallel to the first inclination angle (322) on the notch (321).

9. The production and separation device for producing dimethyl disulfide according to claim 1, characterized in that: The upper end surface of the tank cover (2) is provided with a steam outlet pipe (4) and a feeding assembly (5), and the lower end surface of the separation evaporation tank (1) is provided with a plurality of exhaust pipes, the plurality of exhaust pipes being arranged in a circular array, the exhaust pipes being in communication with the separation evaporation tank (1), and the exhaust pipes being provided with control valves.

10. The production and separation device for producing dimethyl disulfide according to claim 9, characterized in that: The feeding assembly (5) comprises a connecting pipe (51) arranged on the tank cover (2), a feeding pipe (52) being sleeved on the connecting pipe (51), the feeding pipe (52) and the connecting pipe (51) being connected via a thread, a feeding hopper (54) being arranged at the top end of the feeding pipe (52), a plurality of filter screens (53) being arranged inside the feeding pipe (52), and a control valve being arranged on the connecting pipe (51).

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