A chlorination unit for the production of 3,4-dichlorotrifluorotoluene

Abstract

This utility model discloses a chlorination device for the production of 3,4-dichlorotrifluorotoluene, comprising a housing, a feed pipe connected to the top of the housing, an auxiliary cylinder rotatably connected to the top of the housing, a mounting bracket fixedly mounted on the top of the housing above the auxiliary cylinder, a drive mechanism on the housing, and a stirring mechanism on the auxiliary cylinder. The drive mechanism includes a motor fixedly mounted on the top of the housing, and a rotating shaft fixedly mounted on the output shaft of the motor. This utility model uses a motor to drive the rotating shaft and a second gear to rotate, thereby rotating the auxiliary cylinder and causing the stirring shaft and stirring rod to rotate, achieving initial stirring of the raw materials. Simultaneously, a reciprocating frame is vertically reciprocated using a disc, a push rod, and other structures, driving the stirring frame to rotate forward and backward to further stir the raw materials, ensuring thorough mixing, improving the mixing effect, and guaranteeing a complete reaction.

Description

Technical Field

[0001] This utility model relates to the field of chlorination technology, and in particular to a chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene. Background Technology

[0002] In the production of 3,4-dichlorotrifluorotoluene, the chlorination reaction is a crucial step, directly determining the quality and yield of the product. This chlorination reaction typically requires specific reaction conditions to ensure sufficient contact and chemical reaction between the raw materials and the chlorinating agent, introducing chlorine atoms to synthesize the target product, 3,4-dichlorotrifluorotoluene.

[0003] However, existing chlorination units for the production of 3,4-dichlorotrifluorotoluene have many shortcomings. On the one hand, in terms of raw material mixing, many units rely solely on a single stirring motion, which makes it difficult to achieve thorough and uniform mixing of the raw materials. This results in uneven concentrations of reactants in certain areas during the reaction, leading to incomplete chlorination and reduced product yield. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene includes a housing, a feed pipe connected to the top of the housing, an auxiliary cylinder rotatably connected to the top of the housing, a mounting bracket fixedly installed on the top of the housing above the auxiliary cylinder, a drive mechanism on the housing, and an agitation mechanism on the auxiliary cylinder.

[0007] Preferably, the drive mechanism includes a motor fixedly mounted on the top of the housing, a rotating shaft fixedly mounted on the output shaft of the motor, a second gear fixedly mounted on the top of the rotating shaft, and a first gear meshing with the second gear fixedly mounted on the outer wall of the auxiliary cylinder.

[0008] Preferably, the stirring mechanism includes a partition block fixedly installed inside the auxiliary cylinder, an auxiliary shaft rotatably connected to the partition block, one end of the auxiliary shaft being fixedly connected to the bottom of the mounting frame, and a first bevel gear being fixedly installed at the other end of the auxiliary shaft. A stirring shaft rotatably connected to one side of the inner wall of the auxiliary cylinder is provided through it, a second bevel gear located inside the auxiliary cylinder and meshing with the first bevel gear is fixedly installed on the outer wall of the stirring shaft, and a stirring rod located outside the auxiliary cylinder is fixedly installed on the outer wall of the stirring shaft.

[0009] Preferably, a disc is fixedly installed at one end of the stirring shaft inside the auxiliary cylinder. Two connecting rods are slidably connected to the partition block. The ends of the two connecting rods above the partition block are fixedly connected to the same limiting block. The ends of the two connecting rods below the partition block are fixedly connected to the same reciprocating frame. A push rod is rotatably connected to the side wall of the disc near the reciprocating frame. A tumbling frame is rotatably connected to the auxiliary cylinder. A third gear located below the reciprocating frame is fixedly installed on the outer wall of the tumbling frame. A rack meshing with the third gear is fixedly installed at the bottom of the reciprocating frame.

[0010] Preferably, the housing is provided with a discharge pipe that communicates with its interior.

[0011] Preferably, the push rod passes through the reciprocating frame and is slidably connected to the inner wall of the reciprocating frame.

[0012] The beneficial effects of this utility model are:

[0013] This invention uses a motor to drive a rotating shaft and a second gear to rotate, which in turn drives an auxiliary cylinder to rotate. This causes the stirring shaft and stirring rod to rotate, achieving initial stirring of the raw materials. At the same time, the reciprocating frame is made to move vertically back and forth using a disc, a push rod, and other structures. This causes the stirring frame to rotate in both directions to further stir the raw materials, ensuring thorough mixing, improving the mixing effect, and guaranteeing a complete reaction. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a chlorination device for the production of 3,4-dichlorotrifluorotoluene proposed in this utility model.

[0015] Figure 2 This is a schematic diagram of the planar structure of a chlorination device for the production of 3,4-dichlorotrifluorotoluene proposed in this utility model.

[0016] Figure 3 This is a planar structural diagram of the stirring mechanism of this utility model.

[0017] In the diagram: 1. Box body, 2. Feed pipe, 3. Mounting frame, 4. Auxiliary cylinder, 5. First gear, 6. Second gear, 7. Motor, 8. Discharge pipe, 9. Auxiliary shaft, 10. Rotary shaft, 11. Partition block, 12. Stirring rod, 13. Stirring shaft, 14. Connecting rod, 15. First bevel gear, 16. Push rod, 17. Disc, 18. Rack, 19. Third gear, 20. Tumbling frame, 21. Second bevel gear, 22. Limiting block, 23. Reciprocating frame. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Reference Figures 1-3 A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene includes a housing 1, a feed pipe 2 connected to the top of the housing 1, an auxiliary cylinder 4 rotatably connected to the top of the housing 1, a mounting bracket 3 fixedly mounted on the top of the housing 1 above the auxiliary cylinder 4, a drive mechanism on the housing 1, the drive mechanism including a motor 7 fixedly mounted on the top of the housing 1, a rotating shaft 10 fixedly mounted on the output shaft of the motor 7, a second gear 6 fixedly mounted on the top of the rotating shaft 10, a first gear 5 meshing with the second gear 6 fixedly mounted on the outer wall of the auxiliary cylinder 4, and a discharge pipe 8 connected to the inside of the housing 1.

[0020] An agitation mechanism is provided on the auxiliary cylinder 4. The agitation mechanism includes a partition block 11 fixedly installed inside the auxiliary cylinder 4. An auxiliary shaft 9 rotatably connects to the partition block 11. One end of the auxiliary shaft 9 is fixedly connected to the bottom of the mounting bracket 3, and a first bevel gear 15 is fixedly installed at the other end of the auxiliary shaft 9. A stirring shaft 13 rotatably connects to one side of the inner wall of the auxiliary cylinder 4. A second bevel gear 21 located inside the auxiliary cylinder 4 and meshing with the first bevel gear 15 is fixedly installed on the outer wall of the stirring shaft 13. A stirring rod 12 located outside the auxiliary cylinder 4 is fixedly installed on the outer wall of the stirring shaft 13. A disc 17 is fixedly installed at the end of the stirring shaft 13 located inside the auxiliary cylinder 4. Two connecting rods 14 are slidably connected to the partition 11. The ends of the two connecting rods 14 above the partition 11 are fixedly connected to the same limiting block 22. The ends of the two connecting rods 14 below the partition 11 are fixedly connected to the same reciprocating frame 23. A push rod 16 is rotatably connected to the side wall of the disc 17 near the reciprocating frame 23. A stirring frame 20 is rotatably connected to the auxiliary cylinder 4. A third gear 19 located below the reciprocating frame 23 is fixedly installed on the outer wall of the stirring frame 20. A rack 18 meshing with the third gear 19 is fixedly installed at the bottom of the reciprocating frame 23. The push rod 16 passes through the reciprocating frame 23 and is slidably connected to the inner wall of the reciprocating frame 23.

[0021] In use, the raw materials are first added into the box 1 through the feed pipe 2 at the top of the box 1. The motor 7 at the top of the box 1 is started, and its output shaft drives the rotating shaft 10 and the second gear 6 to rotate. Since the second gear 6 meshes with the first gear 5 on the outer wall of the auxiliary cylinder 4, the auxiliary cylinder 4 rotates accordingly. Inside the auxiliary cylinder 4, the auxiliary shaft 9 is relatively fixed, and the first bevel gear 15 at its end meshes with the second bevel gear 21 on the stirring shaft 13. The rotation of the auxiliary cylinder 4 causes the second bevel gear 21 to rotate around the first bevel gear 15 and rotate on its own axis, driving the stirring shaft 13 and the stirring rod 12 outside the box 1 to rotate, thus initially stirring the raw materials. At the same time, the disc 17 at the end of the stirring shaft 13 rotates, causing the reciprocating frame 23 to move vertically back and forth under the action of the connecting rod 14 and the limiting block 22 through the push rod 16. The rack 18 at the bottom of the reciprocating frame 23 drives the third gear 19 connected to the tumbling frame 20 to rotate in both directions, allowing the tumbling frame 20 to tumble the raw materials in both directions for thorough mixing. After the reaction is complete, the product is discharged from the discharge pipe 8 of the casing 1.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene, comprising a housing (1), characterized in that, The top of the box (1) is provided with a feed pipe (2) that communicates with its interior. The top of the box (1) is provided with an auxiliary cylinder (4) that is rotatably connected to it. The top of the box (1) is fixedly installed with a mounting bracket (3) located above the auxiliary cylinder (4). The box (1) is provided with a drive mechanism, and the auxiliary cylinder (4) is provided with a stirring mechanism.

2. The chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene according to claim 1, characterized in that, The drive mechanism includes a motor (7) fixedly installed on the top of the housing (1), a rotating shaft (10) fixedly installed on the output shaft of the motor (7), a second gear (6) fixedly installed on the top of the rotating shaft (10), and a first gear (5) fixedly installed on the outer wall of the auxiliary cylinder (4) and meshing with the second gear (6).

3. A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene according to claim 1, characterized in that, The stirring mechanism includes a partition (11) fixedly installed inside the auxiliary cylinder (4). An auxiliary shaft (9) rotatably connected to the partition (11) is provided through it. One end of the auxiliary shaft (9) is fixedly connected to the bottom of the mounting frame (3). A first bevel gear (15) is fixedly installed at the other end of the auxiliary shaft (9). A stirring shaft (13) rotatably connected to one side of the inner wall of the auxiliary cylinder (4) is provided through it. A second bevel gear (21) located inside the auxiliary cylinder (4) and meshing with the first bevel gear (15) is fixedly installed on the outer wall of the stirring shaft (13). A stirring rod (12) located outside the auxiliary cylinder (4) is fixedly installed on the outer wall of the stirring shaft (13).

4. A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene according to claim 3, characterized in that, The stirring shaft (13) is fixedly mounted with a disc (17) at one end inside the auxiliary cylinder (4). Two connecting rods (14) are slidably connected to the partition (11). The two connecting rods (14) are fixedly connected to the same limiting block (22) at the upper end of the partition (11). The two connecting rods (14) are fixedly connected to the same reciprocating frame (23) at the lower end of the partition (11). A push rod (16) is rotatably connected to the side wall of the disc (17) near the reciprocating frame (23). A tumbling frame (20) is rotatably connected to the auxiliary cylinder (4). A third gear (19) is fixedly mounted on the outer wall of the tumbling frame (20) below the reciprocating frame (23). A rack (18) meshing with the third gear (19) is fixedly mounted at the bottom of the reciprocating frame (23).

5. A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene according to claim 1, characterized in that, The box (1) is provided with a discharge pipe (8) that is connected to its interior.

6. A chlorination apparatus for the production of 3,4-dichlorotrifluorotoluene according to claim 4, characterized in that, The push rod (16) passes through the reciprocating frame (23) and is slidably connected to the inner wall of the reciprocating frame (23).

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