Haloalkylation reaction device for preparing chloroethane

Abstract

The invention discloses a haloalkylation reaction device for preparing chloroethane, which comprises a reaction kettle body, a cover body and a water tank, the outer side wall of the reaction kettle body is provided with a heating assembly, and the bottom of the reaction kettle body is fixedly connected with a plurality of support columns. A driving motor drives a first gear, a first stirring shaft and a first stirring rod to rotate, the first gear is connected with a plurality of second gears in a meshed mode, the second stirring shafts and the second stirring rods can be driven to rotate synchronously, meanwhile, the second gears are connected with a gear ring block in a meshed mode, and the third stirring shafts and the third stirring rods can be driven to rotate synchronously; the first stirring shaft, the first stirring rod, the second stirring shaft, the second stirring rod, the third stirring shaft and the third stirring rod synchronously rotate to mix catalyst liquid and the like in the reaction kettle body, multi-directional stirring and mixing can be conducted, stirring is more sufficient, the mixing reaction is more sufficient, the mixing reaction rate can be further increased, and the reaction efficiency is improved. The inside of the reaction kettle body can be conveniently cleaned by lifting the cover body and moving the water tank and the conveying pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of ethyl chloride preparation, in particular to a halogenation reaction device for preparing ethyl chloride. Background Art

[0002] In the process of producing ethyl chloride by the halogenation method, the main raw materials are hydrochloric acid and alcohol, and zinc chloride solution is used as a catalyst. Hydrochloric acid and alcohol gas undergo halogenation reaction under the action of zinc chloride, and finally react to produce ethyl chloride gas.

[0003] For example, the Chinese utility model patent with authorization announcement number CN205965862U discloses a halogenation reaction device for preparing ethyl chloride, which is a cylindrical shell, with an alcohol air inlet pipe provided on the upper part of the shell, a concentrated hydrochloric acid liquid inlet pipe provided at the bottom of the shell, and a circular mixing sleeve installed vertically in the shell. The diameter of the mixing sleeve is half of the diameter of the shell, the mixing sleeve is sleeved on the middle part of the stirring shaft, and multiple air flow nozzles are evenly distributed on the inner and outer surfaces of the mixing sleeve. The alcohol air inlet pipe is connected to the top of the mixing sleeve, the bottom of the shell is provided with a catalytic liquid inlet pipe, and the top of the shell is provided with a gas reflux collection pipe; the utility model uses the improved halogenation reaction device to enable the gas, liquid, catalyst, recovered gas and recovered liquid to be fully mixed and reacted in the shell, thereby greatly improving the reaction efficiency, while improving the utilization rate of raw materials and saving production costs.

[0004] However, the existing halogenation reaction device for preparing ethyl chloride is provided with a stirring motor, a stirring shaft, a main stirring paddle, and an auxiliary stirring paddle to mix the catalyst liquid during use. Only the main stirring paddle and the auxiliary stirring paddle are provided for stirring, which easily leads to insufficient stirring and reduces the rate of the mixing reaction.

[0005] Therefore, we propose a halogenation reaction device for preparing ethyl chloride to solve the above problems. Summary of the Invention

[0006] The object of the present invention is to provide a halogenation reaction device for preparing ethyl chloride to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: A halogenation reaction device for preparing ethyl chloride, comprising a reactor body, a cover body, and a water tank, wherein a heating assembly is installed on the outer wall of the reactor body, a plurality of support columns are fixedly connected to the bottom of the reactor body, the bottom surfaces of the support columns are fixedly connected to a base, a sealing gasket is fixedly provided on the bottom surface of the cover body, the bottom surface of the sealing gasket contacts the top surface of the reactor body, a motor 1 is fixedly installed on the top surface of the cover body, a stirring shaft 1 is fixedly connected to the rotating shaft of the motor 1, a plurality of stirring rods 1 are fixedly connected to the outer surface of the stirring shaft 1, a gear 1 is fixedly connected to the outer surface of the top of the stirring shaft 1, the gear 1 is meshed with a plurality of gears 2, a plurality of stirring shafts 2 are respectively fixed inside the plurality of gears 2, a plurality of stirring rods 2 are fixed to the outer surface of the stirring shaft 2, a limiting circular block is fixed to the top of the stirring shaft 2, a plurality of gears 2 are meshed with a gear ring block, a plurality of stirring shafts 3 are fixed to the bottom surface of the gear ring block, a plurality of stirring shafts 3 are fixed to one side of the stirring shaft 3, and a limiting ring block is fixed to the outer surface of the gear ring block.

[0008] Preferably, the stirring shaft 1 and the stirring shaft 2 are rotatably connected inside the cover body, the limiting circle block is rotatably connected inside the cover body, a groove is provided on the bottom surface of the cover body, the gear ring block is rotatably connected inside the groove, the limiting ring block is rotatably connected inside the cover body, the stirring shaft 1 and the stirring shaft 2 are rotatably connected inside the bottom of the gear ring block, and the stirring rod 1, the stirring rod 2, and the stirring rod 3 are located inside the reactor body.

[0009] Preferably, the top surface of the base is fixedly connected to the fixing seat, one end of the top surface of the fixing seat is fixedly connected to the fixing block 1, and the other end of the top surface of the fixing seat is fixedly connected to the fixing block 2. One side of the fixing block 1 is fixedly installed with the motor 2, and one end of the screw rod 1 is fixed at the rotating shaft of the motor 2, and the other end of the screw rod 1 is rotatably connected to the fixing block 2.

[0010] Preferably, the bottom surface of the water tank is fixedly connected to a moving block, a threaded sleeve is embedded in the moving block, the threaded sleeve is threadedly connected to a screw rod, the moving block is slidably connected to the top surface of the fixed seat, the bottom surface of the moving block is fixedly connected to a limiting slider, a limiting groove is provided on the top surface of the fixed seat, the limiting slider is slidably connected to the limiting groove, the vertical cross-section of the limiting slider is an inverted T-shape, and a discharge pipe is provided on one side of the water tank.

[0011] Preferably, a water injection pipe is fixedly installed on the top of the water tank, a sealing cover is provided on the water injection pipe, a visual window is provided on one side of the water tank, a pump body is fixedly installed on one side of the bottom of the water tank, a delivery pipe is fixedly installed on the output end of the pump body, a support block is fixedly connected to one side of the water tank, and the delivery pipe is fixedly connected inside the support block.

[0012] Preferably, the top surface of the base is fixedly connected to an inverted U-shaped support frame, a fixed plate is provided on one side of the top of the inverted U-shaped support frame, motor three is fixedly installed on the top surface of the fixed plate, a connecting rod is fixedly connected to the rotating shaft of motor three, and the bottom end of the connecting rod is fixedly connected to screw rod two.

[0013] Preferably, the top surface of the cover body is fixedly connected to an inverted U-shaped lifting block, a second threaded sleeve is embedded in the inverted U-shaped lifting block, and the second threaded sleeve is threadedly connected to the second screw rod.

[0014] Preferably, both ends of the top surface of the inverted U-shaped lifting block are fixedly connected to limiting sliding rods, the top end of the limiting sliding rods is fixedly connected to the limiting top plate, and limiting sliding holes are respectively opened at both ends of the top surface of the fixed plate, and the limiting sliding rods are slidably connected to the limiting sliding holes.

[0015] Preferably, the heating assembly includes a heating tube, a heating cavity, and a heating wire. The heating tube is fixedly installed on the outer wall of the reactor body. A heating cavity is provided in the heating tube. The heating wire is fixedly installed in the heating cavity.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention is provided with a motor 1, a stirring shaft 1, a stirring rod 1, a gear 1, a gear 2, a stirring shaft 2, a stirring rod 2, a gear ring block, a stirring shaft 3, a stirring rod 3, etc., and the driving motor drives the gear 1, the stirring shaft 1, and the stirring rod 1 to rotate. The gear 1 is meshed with the multiple gears 2 and can simultaneously drive the multiple stirring shafts 2 and the stirring rod 2 to rotate synchronously. At the same time, the multiple gears 2 are meshed with the gear ring block and can simultaneously drive the multiple stirring shafts 3 and the stirring rod 3 to rotate synchronously. The stirring shaft 1, the stirring rod 1, the stirring shaft 2, the stirring rod 2, the stirring shaft 3, and the stirring rod 3 rotate synchronously to mix the catalyst liquid in the reactor body, and can carry out multi-directional stirring and mixing, so that the stirring is more sufficient, the mixing reaction is more sufficient, and the rate of the mixing reaction can be further improved. By arranging the motor 2, the screw rod 1, the moving block, the water tank, the delivery pipe, the motor 3, the screw rod 2, the inverted U-shaped lifting block, etc., the interior of the reactor body can be conveniently cleaned through the liftable cover body and the mobility of the water tank, the delivery pipe, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the local structure of the present invention;

[0021] Figure 4 For the present invention Figure 3 Schematic diagram of structural splitting;

[0022] Figure 5 It is a schematic diagram of a top cross-sectional structure of a local structure of the present invention;

[0023] Figure 6 It is a schematic diagram of the side cross-sectional structure of the present invention.

[0024] In the figure: 1. Base; 2. Reactor body; 3. Cover; 4. Sealing gasket; 5. Motor 1; 6. Stirring shaft 1; 7. Stirring rod 1; 8. Gear 1; 9. Gear 2; 10. Stirring shaft 2; 11. Stopper; 12. Stirring rod 2; 13. Gear ring; 14. Stirring shaft 3; 15. Stirring rod 3; 16. Stopper ring; 17. Heating assembly; 171. Heating cylinder; 172. Heating chamber; 173. Heating wire; 18. Water tank; 19. Viewing window; 20. Water injection pipe; 21. Sealing cover; 22. Moving block; 221. Threaded sleeve 1; 2 22. Limiting slider; 23. Fixed block 1; 24. Fixed block 2; 25. Motor 2; 26. Screw rod 1; 27. Fixed seat; 271. Limiting slide; 28. Pump body; 29. Delivery pipe; 30. Support block; 31. Inverted U-shaped support frame; 32. Fixed plate; 321. Limiting sliding hole; 33. Motor 3; 34. Connecting rod; 35. Screw rod 2; 36. Inverted U-shaped lifting block; 361. Threaded sleeve 2; 37. Limiting slide; 38. Limiting top plate; 39. Support column; 40. Groove; 41. Feeding pipe; 42. Exhaust pipe; 43. Discharge port. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1:

[0027] See also Figure 1-6, which is the first embodiment of the present invention, the present invention provides a technical solution: a halogenation reaction device for preparing ethyl chloride, comprising a reactor body 2, a cover body 3, and a water tank 18. A heating assembly 17 is installed on the outer wall of the reactor body 2. A plurality of support columns 39 are fixedly connected to the bottom of the reactor body 2. The bottom surface of the support columns 39 is fixedly connected to the base 1. A sealing gasket 4 is fixedly provided on the bottom surface of the cover body 3 to improve the sealing performance of the connection between the cover body 3 and the reactor body 2. The bottom surface of the sealing gasket 4 contacts the top surface of the reactor body 2. A motor 5 is fixedly installed on the top surface of the cover body 3. A stirring shaft 6 is fixedly connected to the rotating shaft of the motor 5. A plurality of stirring rods 7 are fixedly connected to the outer surface of the stirring shaft 6. A gear 8 is fixedly connected to the outer surface of the top of the stirring shaft 6. The gear 8 is meshed with the gear 8. It is connected to multiple gears 29, and stirring shafts 2 10 are fixed inside the multiple gears 29 respectively. Multiple stirring rods 2 12 are fixed to the outer surface of the stirring shaft 2 10. The top of the stirring shaft 2 10 is fixed to a limiting round block 11, which can effectively limit the stirring shaft 2 10 and gear 2 9, thereby improving the rotation stability of the stirring shaft 2 10, gear 2 9, and stirring rod 2 12. Multiple gears 29 are meshed and connected to a gear ring block 13. The bottom surface of the gear ring block 13 is fixed to multiple stirring shafts 3 14, and one side of the stirring shaft 3 14 is fixed to multiple stirring rods 3 15. The outer surface of the gear ring block 13 is fixed to a limiting ring block 16, which can effectively limit the gear ring block 13, thereby improving the rotation stability of the gear ring block 13, stirring shaft 3 14, and stirring rod 3 15.

[0028] Example 2:

[0029] See also Figure 1-6 , which is the second embodiment of the present invention, and is based on the previous embodiment. The stirring shaft 1 6 and the stirring shaft 2 10 are rotatably connected to the cover body 3, the limiting circle block 11 is rotatably connected to the cover body 3, a groove 40 is provided on the bottom surface of the cover body 3, the gear ring block 13 is rotatably connected to the groove 40, the limiting ring block 16 is rotatably connected to the cover body 3, the stirring shaft 1 6 and the stirring shaft 2 10 are rotatably connected to the bottom of the gear ring block 13, and the stirring rod 1 7, the stirring rod 2 12, and the stirring rod 3 15 are located inside the reactor body 2.

[0030] The top surface of the base 1 is fixedly connected to the fixing seat 27, one end of the top surface of the fixing seat 27 is fixedly connected to the fixing block 1 23, and the other end of the top surface of the fixing seat 27 is fixedly connected to the fixing block 2 24. One side of the fixing block 1 23 is fixedly installed with the motor 2 25, and the rotating shaft of the motor 2 25 is fixedly connected to one end of the screw rod 1 26, and the other end of the screw rod 1 26 is rotatably connected to the fixing block 2 24.

[0031] The bottom surface of the water tank 18 is fixedly connected to the moving block 22, and a threaded sleeve 221 is embedded in the moving block 22. The threaded sleeve 221 is threadedly connected to the screw rod 26. The moving block 22 is slidably connected to the top surface of the fixed seat 27. The bottom surface of the moving block 22 is fixedly connected to the limiting slider 222, and a limiting groove 271 is provided on the top surface of the fixed seat 27. The limiting slider 222 is slidably connected to the limiting groove 271 to improve the stability of the movement of the moving block 22 and the water tank 18. The vertical cross-section of the limiting slider 222 is an inverted T-shape. A discharge pipe is provided on one side of the water tank 18, and a valve is provided on the discharge pipe to facilitate the discharge of water in the water tank 18.

[0032] A water filling pipe 20 is fixedly installed on the top of the water tank 18, and a sealing cover 21 is provided on the water filling pipe 20. A viewing window 19 is provided on one side of the water tank 18. The amount of water inside the water tank 18 can be observed through the viewing window 19. When water needs to be added, the sealing cover 21 can be opened to add water to the water tank 18 through the water filling pipe 20. A pump body 28 is fixedly installed on one side of the bottom of the water tank 18, and a delivery pipe 29 is fixedly installed on the output end of the pump body 28. A support block 30 is fixedly connected to one side of the water tank 18, and the delivery pipe 29 is fixedly connected inside the support block 30.

[0033] The top surface of the base 1 is fixedly connected to an inverted U-shaped support frame 31, a fixed plate 32 is installed on one side of the top of the inverted U-shaped support frame 31, a motor 33 is fixedly installed on the top surface of the fixed plate 32, a connecting rod 34 is fixedly connected to the rotating shaft of the motor 33, and the bottom end of the connecting rod 34 is fixedly connected to the screw rod 2 35.

[0034] The top surface of the cover body 3 is fixedly connected to an inverted U-shaped lifting block 36 , a second threaded sleeve 361 is embedded in the inverted U-shaped lifting block 36 , and the second threaded sleeve 361 is threadedly connected to the second screw rod 35 .

[0035] The two ends of the top surface of the inverted U-shaped lifting block 36 are respectively fixed to the limiting slide rod 37, and the top of the limiting slide rod 37 is fixed to the limiting top plate 38. The two ends of the top surface of the fixed plate 32 are respectively provided with limiting sliding holes 321, and the limiting slide rod 37 is slidably connected to the limiting sliding holes 321. When the inverted U-shaped lifting block 36 is lifted or lowered, the limiting slide rod 37 slides in the limiting sliding hole 321 accordingly, which can limit the inverted U-shaped lifting block 36, so that the inverted U-shaped lifting block 36 maintains the vertical movement, thereby improving the lifting stability of the inverted U-shaped lifting block 36. At the same time, the limiting top plate 38 is set to limit the lifting range of the cover body 3. When the inside of the reactor body 2 needs to be cleaned, the motor 3 33 is connected to an external power source, and the motor 3 33 is started to drive the connecting rod 34 and the screw rod 2 35 to rotate, thereby driving the inverted U-shaped lifting block 36 and the cover body 3 to move upward, so that the sealing gasket 4 provided at the bottom of the cover body 3 is separated from the reactor body 2. When the cover body 3 moves to a suitable position, the motor 2 25 is connected to an external power source, and the motor 2 25 is started to drive the screw rod 1 26 to rotate, thereby driving the moving block 22, the water tank 18, the delivery pipe 29, etc. to move horizontally, so that the water outlet end of the delivery pipe 29 can be moved to the reactor body 2. Above the body 2, the pump body 28 is connected to an external power supply. By starting the pump body 28, the water in the water tank 18 can be transported to the reactor body 2 through the delivery pipe 29. After delivering an appropriate amount of water, the water tank 18, the delivery pipe 29, etc. are moved back to their original positions by driving the second motor 25, and then the cover body 3 is moved to its original position by driving the third motor 33. The speed of the motor 1 5 can be adjusted, and the inside of the reactor body 2 can be cleaned by driving the stirring mechanism to rotate. The cleaned mixture can be discharged through the discharge port 43 by opening the valve provided on the discharge port 43 at the bottom of the reactor body 2.

[0036] The heating assembly 17 includes a heating tube 171, a heating chamber 172, and a heating wire 173. The heating tube 171 is fixedly mounted on the outer wall of the reactor body 2. The heating chamber 172 is defined within the heating tube 171, and the heating wire 173 is fixedly mounted within the heating chamber 172. During the mixing reaction, the reactants within the reactor body 2 need to be heated by the heating assembly 17. The heating wire 173 is connected to an external power source. Starting the power source heats the reactor body 2 through the heating wire 173 within the heating tube 171, raising the temperature, and allowing the reactants within the reactor body 2 to react.

[0037] Example 3:

[0038] See also Figure 1-6, which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When the present invention is actually used, a plurality of feeding pipes 41 are provided on the reactor body 2. Hydrochloric acid, ethanol, and zinc chloride are respectively added into the reactor body 2 through their respective feeding pipes 41. The motor 15 is connected to an external power supply. By starting the motor 15, the stirring shaft 16, the stirring rod 17, and the gear 18 can be driven to rotate. At the same time, the gear 18 is meshed with the plurality of gears 29, which can drive the plurality of gears 29 and the plurality of stirring shafts 210 and the stirring rod 212 to rotate. At the same time, the plurality of gears 29 are meshed with the gear ring block 13, which can drive the gear ring block 13 and the plurality of stirring shafts 314 and the stirring rod 315 to rotate. The stirring shaft 1 6, the stirring rod 1 7, the stirring shaft 2 10, the stirring rod 2 12, the stirring shaft 3 14, and the stirring rod 3 15 rotate synchronously to mix the catalyst liquid and the like in the reactor body 2, and can perform multi-directional stirring and mixing, so that the stirring is more sufficient, the mixing reaction is more sufficient, and the rate of the mixing reaction can be further improved. An outlet pipe 42 is provided on the reactor body 2, and the ethyl chloride mixture coming out after the halogenation reaction inside the reactor body 2 enters the next treatment device (not shown in the figure) through the outlet pipe 42. A discharge port 43 is provided at the bottom of the reactor body 2, and waste can be discharged through the discharge port 43 by opening a valve provided on the discharge port 43 at the bottom of the reactor body 2.

[0039] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A halogenation reaction device for preparing ethyl chloride, comprising a reactor body (2), a cover body (3), and a water tank (18), characterized in that: A heating assembly (17) is installed on the outer wall of the reactor body (2), a plurality of support columns (39) are fixedly connected to the bottom of the reactor body (2), the bottom surface of the support columns (39) is fixedly connected to the base (1), a sealing gasket (4) is fixedly provided on the bottom surface of the cover body (3), the bottom surface of the sealing gasket (4) contacts the top surface of the reactor body (2), a motor (5) is fixedly installed on the top surface of the cover body (3), a stirring shaft (6) is fixedly connected to the rotating shaft of the motor (5), a plurality of stirring rods (7) are fixedly connected to the outer surface of the stirring shaft (6), a gear ( 8), the gear one (8) is meshed and connected with a plurality of gear twos (9), the plurality of gear twos (9) are respectively fixedly connected with stirring shaft twos (10), the outer surface of the stirring shaft two (10) is fixedly connected with a plurality of stirring rods twos (12), the top of the stirring shaft two (10) is fixedly connected with a limiting circular block (11), the plurality of gear twos (9) are meshed and connected with a gear ring block (13), the bottom surface of the gear ring block (13) is fixedly connected with a plurality of stirring shaft threes (14), one side of the stirring shaft three (14) is fixedly connected with a plurality of stirring rods threes (15), and the outer surface of the gear ring block (13) is fixedly connected with a limiting ring block (16).

2. The halogenation reaction device for preparing ethyl chloride according to claim 1, characterized in that: The stirring shaft 1 (6) and the stirring shaft 2 (10) are rotatably connected to the inside of the cover body (3), the limiting circular block (11) is rotatably connected to the inside of the cover body (3), a groove (40) is provided on the bottom surface of the cover body (3), the gear ring block (13) is rotatably connected to the inside of the groove (40), the limiting ring block (16) is rotatably connected to the inside of the cover body (3), the stirring shaft 1 (6) and the stirring shaft 2 (10) are rotatably connected to the bottom of the gear ring block (13), and the stirring rod 1 (7), the stirring rod 2 (12), and the stirring rod 3 (15) are located inside the reactor body (2).

3. The halogenation reaction device for preparing ethyl chloride according to claim 2, characterized in that: The top surface of the base (1) is fixedly connected to the fixing seat (27), one end of the top surface of the fixing seat (27) is fixedly connected to the fixing block 1 (23), and the other end of the top surface of the fixing seat (27) is fixedly connected to the fixing block 2 (24). One side of the fixing block 1 (23) is fixedly mounted with the motor 2 (25), and the rotation shaft of the motor 2 (25) is fixedly connected to one end of the screw rod 1 (26), and the other end of the screw rod 1 (26) is rotatably connected to the fixing block 2 (24).

4. The halogenation reaction device for preparing ethyl chloride according to claim 3, characterized in that: The bottom surface of the water tank (18) is fixedly connected to a moving block (22), a threaded sleeve (221) is embedded in the moving block (22), the threaded sleeve (221) is threadedly connected to a screw rod (26), the moving block (22) is slidably connected to the top surface of the fixed seat (27), the bottom surface of the moving block (22) is fixedly connected to a limiting slide block (222), a limiting slide groove (271) is provided on the top surface of the fixed seat (27), the limiting slide block (222) is slidably connected to the limiting slide groove (271), the vertical cross-section of the limiting slide block (222) is inverted T-shaped, and a discharge pipe is provided on one side of the water tank (18).

5. The halogenation reaction device for preparing ethyl chloride according to claim 4, characterized in that: A water injection pipe (20) is fixedly mounted on the top of the water tank (18), a sealing cover (21) is provided on the water injection pipe (20), a visual window (19) is provided on one side of the water tank (18), a pump body (28) is fixedly mounted on one side of the bottom of the water tank (18), a delivery pipe (29) is fixedly mounted on the output end of the pump body (28), a support block (30) is fixedly connected to one side of the water tank (18), and the delivery pipe (29) is fixedly connected inside the support block (30).

6. The halogenation reaction device for preparing ethyl chloride according to claim 5, characterized in that: The top surface of the base (1) is fixedly connected to an inverted U-shaped support frame (31), a fixed plate (32) is provided on one side of the top of the inverted U-shaped support frame (31), a third motor (33) is fixedly mounted on the top surface of the fixed plate (32), a connecting rod (34) is fixedly connected to the rotating shaft of the third motor (33), and a second screw rod (35) is fixedly connected to the bottom end of the connecting rod (34).

7. A halogenation reaction device for preparing ethyl chloride according to claim 6, characterized in that: The top surface of the cover body (3) is fixedly connected to an inverted U-shaped lifting block (36), a second threaded sleeve (361) is embedded in the inverted U-shaped lifting block (36), and the second threaded sleeve (361) is threadedly connected to the second screw rod (35).

8. The halogenation reaction device for preparing ethyl chloride according to claim 7, characterized in that: The two ends of the top surface of the inverted U-shaped lifting block (36) are respectively fixedly connected to the limiting sliding rod (37), the top end of the limiting sliding rod (37) is fixedly connected to the limiting top plate (38), and the two ends of the top surface of the fixed plate (32) are respectively provided with limiting sliding holes (321), and the limiting sliding rod (37) is slidably connected to the limiting sliding hole (321).

9. A halogenation reaction device for preparing ethyl chloride according to claim 8, characterized in that: The heating assembly (17) comprises a heating cylinder (171), a heating chamber (172), and an electric heating wire (173); the heating cylinder (171) is fixedly mounted on the outer wall of the reactor body (2); a heating chamber (172) is provided in the heating cylinder (171); and an electric heating wire (173) is fixedly mounted in the heating chamber (172).

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