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CN-122006640-A - Benzothiazole synthesizer

CN122006640ACN 122006640 ACN122006640 ACN 122006640ACN-122006640-A

Abstract

The invention relates to the technical field of compound preparation, in particular to a benzothiazole synthesis device which comprises a tank body and a cover body arranged on the tank body, wherein a stirring shaft is rotatably connected to the cover body, two groups of fans are arranged on the stirring shaft, the blades of the two groups of fans are opposite in direction, the blades are thick on one side and thin on the other side, a feeding pipe is embedded in the stirring shaft, the top of the feeding pipe extends out of the top of the stirring shaft, a material injection structure is arranged on one thick side of one blade, the feeding pipe is communicated with the material injection structure, and the material injection structure is used for adding reactants into the tank body. The reactant in the feeding pipe enters the material injection structure and is discharged from the material injection structure into the reaction system in the tank body. As the material injection structure is arranged on the blade, the reactant can be uniformly added into the reaction system from a plurality of positions along with the rotation of the blade, so that the problem of uneven local concentration caused by the traditional fixed charging hole is avoided.

Inventors

  • WANG RUIFENG
  • LI YU
  • WANG YUEMEI
  • ZHANG YANAN

Assignees

  • 鄂尔多斯应用技术学院
  • 内蒙古海峡能源集团有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. The benzothiazole synthesis device is characterized by comprising a tank body (1) and a cover body (2) arranged on the tank body (1), wherein a stirring shaft (3) is rotatably connected to the cover body (2), two groups of fans (4) are arranged on the stirring shaft (3), the directions of blades (41) of the two groups of fans (4) are opposite, and the blades (41) are thick on one side and thin on the other side; inside the stirring axle (3) is inlayed and is had filling tube (5), and filling tube (5) top stretches out in stirring axle (3) top, and annotate material structure (6) are installed to one side that one of them blade (41) is thick, filling tube (5) intercommunication notes material structure (6), annotate material structure (6) and be used for adding the reactant towards inside jar body (1).
  2. 2. The benzothiazole synthesis device according to claim 1, characterized in that a bracket (7) is fixedly arranged on the top wall of the cover body (2), a driving motor (71) is arranged on the top of the bracket (7), and an output shaft of the driving motor (71) is fixedly connected with the top axle center of the stirring shaft (3).
  3. 3. The benzothiazole synthesis device according to claim 1, wherein the material injection structure (6) comprises a first fixed pipe (61), a movable pipe (62), a first piston head (63), a second piston head (64), a second fixed pipe (65), a first fixed ring (66), a movable pipe (67) and a third fixed pipe (68), the outer wall of the first fixed pipe (61) is fixedly inlaid in the blade (41), the inner part of the first fixed pipe (61) is in sliding connection with the outer wall of the movable pipe (67), the inner wall of the movable pipe (67) is fixedly connected with the movable pipe (62), the movable pipe (67) and the movable pipe (62) are provided with a first through hole (622), the inner wall of the movable pipe (62) is in sliding connection with the first piston head (63) and the second piston head (64), the third fixed pipe (68) is communicated with the second fixed pipe (65), the electric valve (51) is mounted on the feeding pipe (5), the bottom of the second fixed pipe (65) is fixedly connected with the first fixed ring (66), and the inner wall of the first fixed pipe (66) is in the same size as the first fixed pipe (61) and the inner wall of the second fixed pipe (65) is in the same size.
  4. 4. The benzothiazole synthesis device according to claim 3, wherein the bottom of the first piston head (63) is fixedly connected with the movable end of the electric telescopic rod (631), the fixed end of the electric telescopic rod (631) is fixedly connected with the inner wall of the first fixed ring (66), the top of the second piston head (64) is fixedly connected with one end of the elastic rope (641), and the other end of the elastic rope (641) is fixedly connected with the top wall of the movable cylinder (67).
  5. 5. The benzothiazole synthesis device according to claim 4, wherein the inner wall of the third fixing tube (68) is slidably connected with a third piston head (681), the third piston head (681) is fixedly connected with one end of a fixing rope (682), the other end of the fixing rope (682) is fixedly connected with the inner end wall of the third fixing tube (68), and a second through hole (683) is formed in the inner end wall of the third fixing tube (68).
  6. 6. The benzothiazole synthesis device according to claim 5, characterized in that the inner wall of the first fixed pipe (61) is fixedly connected with a second fixed ring (611), the inner side of the second fixed ring (611) is slidably connected with a movable pipe (62), the outer side of the movable pipe (62) is fixedly connected with a third fixed ring (623), and the outer wall of the third fixed ring (623) is slidably connected with the inner wall of the first fixed pipe (61).
  7. 7. The benzothiazole synthesis device according to claim 6, characterized in that sealing rings are installed on the inner side of the second fixing ring (611) and the outer side of the third fixing ring (623), respectively.
  8. 8. The benzothiazole synthesis device according to claim 1, characterized in that the edges of the tank body (1) and the cover body (2) are respectively provided with a clamping groove (21), and the two clamping grooves (21) are fixed together through a clamping structure (22).
  9. 9. The benzothiazole synthesis device according to claim 8, wherein the fastening structure (22) comprises an upper clamping plate (221), a lower clamping plate (222), an inner pipe (223) and an outer pipe (224), one sides of the upper clamping plate (221) and the lower clamping plate (222) are inserted into the clamping groove (21), the other side of the upper clamping plate (221) is fixedly connected with the inner pipe (223), the other side of the lower clamping plate (222) is fixedly connected with the outer pipe (224), the inner pipe (223) is connected with the inner pipe (224) in a sliding manner, and bolts penetrate through the inner wall of the inner pipe (223).
  10. 10. The benzothiazole synthesis device according to claim 1, characterized in that a discharge hole (11) is formed in the bottom of the tank body (1), and a protruding block (12) is fixedly arranged on the side wall of the tank body (1).

Description

Benzothiazole synthesizer Technical Field The invention relates to the technical field of compound preparation, in particular to a benzothiazole synthesis device. Background Benzothiazole is an important organic chemical raw material and medical intermediate, and is widely applied to the fields of rubber vulcanization accelerators, dyes, medicines, pesticides and the like. In the synthesis process of benzothiazole, the adding mode and the mixing effect of reactants directly influence the reaction efficiency and the purity of the product. The benzothiazole synthesis device generally adopts a mode of fixing a feed inlet at the top to add reactants, the reactants need to be mixed by a stirring device after entering a reaction container from a single position, the reactants can be uniformly dispersed into the whole reaction system after being added from the top, the partial concentration at the initial stage of the reaction is too high or too low to influence the uniformity of the reaction, and the stirring blades in one direction have limited mixing effect, so that the reactants are difficult to fully mix in a short time. Disclosure of Invention The invention aims to solve the technical problems that after reactants are added from the top, the reactants can be uniformly dispersed into the whole reaction system for a long time, so that the local concentration at the initial stage of the reaction is too high or too low to influence the uniformity of the reaction, and the mixing effect of the unidirectional stirring blades is limited, so that the reactants are difficult to fully mix in a short time. In order to solve the technical problems, the invention provides the technical scheme that the benzothiazole synthesis device comprises a tank body and a cover body arranged on the tank body, wherein a stirring shaft is rotatably connected to the cover body, two groups of fans are arranged on the stirring shaft, the blades of the two groups of fans are opposite in direction, the blades are thick on one side and thin on the other side, a feeding pipe is embedded in the stirring shaft, the top of the feeding pipe extends out of the top of the stirring shaft, a material injection structure is arranged on one thick side of one blade, the feeding pipe is communicated with the material injection structure, and the material injection structure is used for adding reactants into the tank body. As an optimal scheme of the benzothiazole synthesis device, a support is fixedly arranged on the top wall of the cover body, a driving motor is arranged on the top of the support, and an output shaft of the driving motor is fixedly connected with the top axle center of the stirring shaft. As a preferable scheme of the benzothiazole synthesis device, the material injection structure comprises a first fixed pipe, a movable pipe, a first piston head, a second fixed pipe, a first fixed ring, a movable cylinder and a third fixed pipe, wherein the outer wall of the first fixed pipe is fixedly inlaid in a blade, the inner part of the first fixed pipe is in sliding connection with the outer wall of the movable cylinder, the inner wall of the movable cylinder is fixedly connected with the movable pipe, a first through hole is formed in the movable cylinder and the movable pipe, the inner wall of the movable pipe is in sliding connection with the first piston head and the second piston head, the feeding pipe is communicated with the third fixed pipe, the third fixed pipe passes through the first fixed pipe and is communicated with the second fixed pipe, an electric valve is arranged on the feeding pipe, the bottom of the second fixed pipe is fixedly connected with the first fixed ring, the first fixed ring is fixedly connected with the inner wall of the first fixed pipe, and the top of the second fixed pipe is the same as the inner wall of the movable pipe in radial dimension. As a preferable scheme of the benzothiazole synthesis device, the bottom of the first piston head is fixedly connected with the movable end of the electric telescopic rod, the fixed end of the electric telescopic rod is fixedly connected with the inner wall of the first fixed ring, the top of the second piston head is fixedly connected with one end of the elastic rope, and the other end of the elastic rope is fixedly connected with the top wall of the movable cylinder. As a preferable scheme of the benzothiazole synthesis device, the inner wall of the third fixed pipe is connected with the third piston head in a sliding manner, the third piston head is fixedly connected with one end of the fixed rope, the other end of the fixed rope is fixedly connected with the inner end wall of the third fixed pipe, and a second through hole is formed in the inner end wall of the third fixed pipe. As a preferable scheme of the benzothiazole synthesis device, the inner wall of the first fixed pipe is fixedly connected with the second fixed ring, the inner side of the second fixed ring is sl