Chlorocyclohexane separation and purification device

Abstract

The utility model relates to the field of separation and purification devices, in particular to a chlorocyclohexane separation and purification device. The technical problems that an existing chlorocyclohexane separation and purification device generally relates to split type equipment in the separation process, residues are prone to being generated in each split type equipment, time and labor are wasted in the cleaning process, and the working efficiency is low are solved, and compared with a traditional chlorocyclohexane separation and purification device, the chlorocyclohexane separation and purification device provided by the utility model has the advantages that the device is simple in structure and convenient to operate. Comprising a reaction kettle assembly, a stirring assembly, a distillation assembly, an extraction assembly, a supporting frame, a suction cup and a feeding pipe, the reaction kettle assembly, the distillation assembly and the extraction assembly which are communicated with one another are arranged, distributed operation can be achieved, all links can be connected together, the process is completed at a time, and compared with a traditional device, the working efficiency is higher; the reaction kettle assembly can be used for carrying out preliminary heating reaction on cyclohexane, the distillation assembly can be used for carrying out fractionation purification on liquid obtained by reaction of the reaction kettle assembly, and the extraction assembly can be used for solidifying and extracting gas obtained by distillation.

Description

Technical Field

[0001] The utility model relates to the field of separation and purification devices, in particular to a chlorocyclohexane separation and purification device. Background Art

[0002] Chlorocyclohexane is an organic compound, which is a colorless liquid with a chloroform-like odor. It is insoluble in water but soluble in ethanol. Chlorocyclohexane can be obtained by the reaction of cyclohexane and chlorine, or by the reaction of methyl chloride and cyclohexane. It can be used as a reaction intermediate in organic synthesis, such as for the generation of α-chloroketone and γ-chloroketone. In addition, it can also be used in the synthesis of pesticides and drugs, as well as in solvents and dyes. A chlorocyclohexane separation and purification device is a device or system for separating and purifying chlorocyclohexane. Existing chlorocyclohexane separation and purification devices usually involve a separation process of split equipment, and residues are easily generated inside each split equipment, which is time-consuming and labor-intensive to clean, resulting in low work efficiency. Utility Model Content

[0003] In order to overcome the existing chlorocyclohexane separation and purification devices, the separation process usually involves split equipment, and each split equipment is prone to residues, which is time-consuming and labor-intensive to clean, resulting in low work efficiency.

[0004] The technical scheme of the utility model is: a chlorocyclohexane separation and purification device, comprising a reactor assembly, a stirring assembly, a distillation assembly, an extraction assembly, a support frame, a suction cup and a feed pipe, wherein a stirring assembly for accelerating the reaction is arranged at the bottom of the reactor assembly, a distillation assembly for distillation is arranged at the lower end of the reactor assembly, an extraction assembly for crystallizing and solidifying the distilled liquid is arranged at the right end of the distillation assembly, a feed pipe for introducing reaction materials is arranged at the upper end of the reactor assembly, a control valve for controlling the inlet and outlet is arranged at the outer side of the feed pipe, three groups of support frames for supporting the reactor assembly are arranged around the side of the lower end of the reactor assembly, and a suction cup for increasing stability is arranged at the lower end of the support frame.

[0005] Preferably, by providing interconnected reactor components, distillation components and extraction components, each step can be carried out separately or each link can be connected to each other, so that the separation and purification steps can be completed in one go, which is more efficient than traditional separation and purification devices. By providing the reactor component, cyclohexane can be subjected to a preliminary heating reaction, by providing the stirring component, the reaction speed can be accelerated, by providing the distillation component, the liquid obtained by the reaction of the reactor component can be fractionated and purified, by providing the temperature display, the temperature change in the distillation bottle can be displayed in real time, so that the temperature in the bottle can be grasped in real time, by providing the extraction component, the gas obtained by distillation of the distillation component can be solidified and extracted, by providing the cooling module, cold water can be sprayed on the inside of the crystallization box, and the obtained fraction can be cooled and crystallized by using the cold water, by providing the second control module, the temperature of the second heating coil can be controlled, so that the temperature can be adjusted according to actual needs, so that the crystallized solid can be quickly dried, and by providing the crushing component, the obtained crude crystal can be crushed to obtain a finished product.

[0006] Preferably, the reactor assembly includes a reactor body, a first heating coil, a first control module and a partition, a partition for protecting the first heating coil is provided inside the reactor body, a first heating coil for heating is provided between the reactor body and the partition, a first control module for controlling heating is provided on the outside of the reactor body, and two groups of connecting holes for connecting with the distillation assembly are symmetrically provided on the bottom of the reactor body. Using the first control module to control the first heating coil for heating can speed up the reaction speed, and by setting the connecting holes, the liquid obtained by the reaction of the reactor assembly can be introduced into the distillation assembly.

[0007] Preferably, the stirring assembly includes a first drive motor, a first rotating shaft and a stirring rod. The first drive motor drives the stirring rod to rotate by driving the first rotating shaft. The outer side of the stirring rod is linearly distributed and surrounded by a stirring rod for stirring. The surface of the stirring rod is evenly distributed with multiple groups of guide holes for reducing rotational resistance. The first drive motor drives the first rotating shaft to drive the stirring rod to rotate and stir, so that the reactants can be mixed evenly, thereby accelerating the reaction speed.

[0008] Preferably, the distillation component includes a distillation flask, a heating module, a temperature control knob, a temperature display, a liquid guide tube, an air inlet pipe, an air outlet pipe and a first connecting pipe. The lower end of the distillation flask is provided with a heating module for heating, and the outer side of the heating module is provided with a temperature control knob for controlling the temperature height. The middle part of the upper end of the distillation flask is provided with a temperature display for displaying temperature changes. The left and right sides of the temperature display are symmetrically provided with liquid guide tubes connected to the connecting holes. The upper end of the distillation flask is provided with an air inlet pipe for introducing nitrogen, and one side of the air inlet pipe is provided with an air outlet pipe for discharging air in the distillation flask. The right end of the distillation flask is provided with a first connecting pipe for introducing distilled gas into the extraction component. The outer sides of the liquid guide tube, the air inlet pipe, the air outlet pipe and the first connecting pipe are all provided with control valves for controlling the inlet and outlet. The air in the distillation flask can be squeezed out by discharging nitrogen through the air inlet pipe, thereby facilitating distillation.

[0009] Preferably, the extraction component includes a crystallization box, a second control module, a box door, a crushing module and a cooling module. The front end of the crystallization box is provided with a box door for opening and closing, the bottom of the crystallization box is provided with a second heating coil for heating, the outside of the crystallization box is provided with a second control module for controlling the heating of the second heating coil, the top of the crystallization box is provided with a crushing module for crushing the crystals, and the upper side of the crystallization box is provided with a cooling module for cooling. The cooling module is used to cool the distillate to crystallize and obtain solid particles.

[0010] Preferably, the crushing module includes a second drive motor, a second rotating shaft and a blade. The second drive motor is provided with an output shaft. The output shaft of the second drive motor passes through the outer side of the crystallization box and extends to the inner side to drive the second rotating shaft to rotate. The outer side of the second rotating shaft is linearly distributed and surrounded by multiple groups of blades for crushing the crude crystallized product. The second drive motor drives the second rotating shaft to rotate, which can drive the blades to rotate and crush the solid crude product to obtain a finished product.

[0011] Preferably, the cooling module includes an annular water tank, a water inlet pipe, a second connecting pipe and a nozzle. The upper end of the annular water tank is provided with a water inlet pipe for introducing water, and the outer side of the water inlet pipe is provided with a control valve for controlling the inlet and outlet. The lower end of the annular water tank is surrounded by a plurality of groups of nozzles for sprinkling water. The nozzle is connected to the annular water tank through the second connecting pipe. The distillate can be cooled and crystallized by spraying water through the nozzle.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional chlorocyclohexane separation and purification device, the separation process usually involves split equipment, and each split equipment is prone to residue, which is time-consuming and labor-intensive to clean, resulting in low work efficiency. By setting up interconnected reactor components, distillation components and extraction components, each step can be carried out separately, or each link can be connected to each other, so that the separation and purification steps can be completed in one go, which is more efficient than the traditional separation and purification device. By setting up the reactor component, cyclohexane can be preliminarily heated and reacted, cyclohexane, hydrogen chloride and concentrated sulfuric acid are added to the reactor through the feed pipe, and the first heating coil is controlled by the first control module for heating, and the reaction speed can be accelerated by setting the stirring component, and the first drive The motor can drive the first rotating shaft to rotate, so that the first rotating shaft can drive the stirring rod to rotate and stir to mix the reactants evenly. By opening two sets of mutually symmetrical connecting holes at the bottom of the kettle body, the liquid obtained after separation can be introduced into the distillation component. By setting the distillation component, the liquid obtained by the reaction of the reactor component can be fractionated and purified. By setting the air inlet pipe and the air outlet pipe, the air in the distillation bottle can be blown out, nitrogen can be introduced through the air inlet pipe, and the air can be discharged through the air outlet pipe. Thereafter, the distillation bottle can be heated by the heating module for fractional distillation and purification. By setting the temperature control knob, the temperature can be adjusted according to the actual distillation needs. By setting the temperature display, the temperature changes in the distillation bottle can be displayed in real time, making it easy to grasp the temperature conditions in the bottle in real time.

[0014] 2. By setting an extraction component, the gas obtained by distillation of the distillation component can be solidified and extracted. By setting a cooling module, cold water can be sprayed inside the crystallization box, and the obtained fraction can be cooled and crystallized by cold water. By setting a water inlet pipe, water can be introduced into the annular water tank, and then the cold water is transmitted to the nozzle through the second connecting pipe, so that the nozzle sprays cold water from the top of the crystallization box downward. By surrounding multiple groups of nozzles, the water spraying can be made more uniform. By setting a second heating coil at the bottom of the crystallization box, heating can be performed. By setting a second control module, the temperature of the second heating coil can be controlled, so that the temperature can be adjusted according to actual needs, so that the crystallized solid can be quickly dried, and by setting a crushing component, the obtained crystalline crude product can be crushed to obtain a finished product. The second driving motor drives the second rotating shaft to rotate, so that the second rotating shaft drives the blade to rotate to break the crystalline solid. Finally, the finished product can be taken out through the provided box door. The operation is simple and fast, and the separation and purification effect is good. By connecting the various components to each other, the separation and purification steps can be completed in one go, which can greatly improve the separation and purification efficiency and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1What is shown is the overall schematic diagram of the chlorocyclohexane separation and purification device of the utility model;

[0016] Figure 2 Shown is a schematic diagram of a reaction kettle assembly in a chlorocyclohexane separation and purification device of the present utility model;

[0017] Figure 3 Shown is a schematic diagram of a stirring assembly in a chlorocyclohexane separation and purification device of the utility model;

[0018] Figure 4 Shown is a schematic diagram of a distillation component in a chlorocyclohexane separation and purification device of the utility model;

[0019] Figure 5 Shown is a schematic diagram of the extraction components in the chlorocyclohexane separation and purification device of the utility model;

[0020] Figure 6 Shown is a schematic diagram of a crushing module in a chlorocyclohexane separation and purification device of the utility model;

[0021] Figure 7 Shown is a schematic diagram of a cooling module in the chlorocyclohexane separation and purification device of the present invention.

[0022] Description of the accompanying drawings: 1. Reactor assembly; 2. Stirring assembly; 3. Distillation assembly; 4. Extraction assembly; 5. Support frame; 6. Suction cup; 7. Feed pipe; 101. Reactor body; 102. First heating coil; 103. First control module; 104. Interlayer; 105. Connection hole; 201. First drive motor; 202. First rotating shaft; 203. Stirring rod; 204. Guide hole; 301. Distillation flask; 302. Heating module; 303. Temperature control knob; 304, temperature display; 305, liquid guide tube; 306, air inlet pipe; 307, air outlet pipe; 308, first connecting pipe; 401, crystallization box; 402, second control module; 403, box door; 404, crushing module; 405, cooling module; 406, second drive motor; 407, second rotating shaft; 408, blade; 409, annular water tank; 410, water inlet pipe; 411, second connecting pipe; 412, nozzle. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-2The utility model provides an embodiment: a chlorocyclohexane separation and purification device, comprising a reactor assembly 1, a stirring assembly 2, a distillation assembly 3, an extraction assembly 4, a support frame 5, a suction cup 6 and a feed pipe 7. The bottom of the reactor assembly 1 is provided with a stirring assembly 2 for accelerating the reaction, the lower end of the reactor assembly 1 is provided with a distillation assembly 3 for distillation, the right end of the distillation assembly 3 is provided with an extraction assembly 4 for crystallizing and solidifying the distilled liquid, the upper end of the reactor assembly 1 is provided with a feed pipe 7 for introducing reaction materials, the outer side of the feed pipe 7 is provided with a control valve for controlling the inlet and outlet, the lower end side of the reactor assembly 1 is surrounded by three groups of support frames 5 for supporting the reactor assembly 1, and the lower end of the support frame 5 is provided with a Suction cup 6, the reactor assembly 1 includes a reactor body 101, a first heating coil 102, a first control module 103 and a partition 104, the interior of the reactor body 101 is provided with a partition 104 for protecting the first heating coil 102, a first heating coil 102 for heating is provided between the reactor body 101 and the partition 104, a first control module 103 for controlling heating is provided on the outside of the reactor body 101, and two groups of connecting holes 105 for connecting with the distillation assembly 3 are symmetrically provided on the bottom of the reactor body 101, and the reaction speed can be accelerated by controlling the first heating coil 102 for heating by the first control module 103, and the liquid obtained by the reaction of the reactor assembly 1 can be introduced into the distillation assembly 3 by setting the connecting holes 105.

[0025] See also Figure 3 In this embodiment, the stirring assembly 2 includes a first driving motor 201, a first rotating shaft 202 and a stirring rod 203. The first driving motor 201 drives the stirring rod 203 to rotate by driving the first rotating shaft 202. The outer side of the stirring rod 203 is linearly distributed around the stirring rod 203 for stirring. The surface of the stirring rod 203 is evenly distributed with multiple groups of guide holes 204 for reducing rotation resistance. The first driving motor 201 drives the first rotating shaft 202 to drive the stirring rod 203 to rotate and stir, so that the reactants can be mixed evenly, thereby accelerating the reaction speed.

[0026] See also Figure 4In this embodiment, the distillation assembly 3 includes a distillation flask 301, a heating module 302, a temperature control knob 303, a temperature display 304, a liquid guide tube 305, an air inlet pipe 306, an air outlet pipe 307 and a first connecting pipe 308. The lower end of the distillation flask 301 is provided with a heating module 302 for heating, and the outer side of the heating module 302 is provided with a temperature control knob 303 for controlling the temperature height. The middle part of the upper end of the distillation flask 301 is provided with a temperature display 304 for displaying temperature changes, and the left and right sides of the temperature display 304 are symmetrically provided with a connecting hole 1 05, an air inlet pipe 306 for introducing nitrogen is provided at the upper end of the distillation flask 301, an air outlet pipe 307 for discharging the air in the distillation flask 301 is provided on one side of the air inlet pipe 306, a first connecting pipe 308 for introducing the distilled gas into the extraction component 4 is provided at the right end of the distillation flask 301, and control valves for controlling the inlet and outlet are provided on the outer sides of the liquid conduit 305, the air inlet pipe 306, the air outlet pipe 307 and the first connecting pipe 308. The air in the distillation flask 301 can be squeezed out by discharging nitrogen through the air inlet pipe 306, thereby facilitating distillation.

[0027] See also Figure 5 In this embodiment, the extraction component 4 includes a crystallization box 401, a second control module 402, a box door 403, a crushing module 404 and a cooling module 405. The front end of the crystallization box 401 is provided with a box door 403 for opening and closing, the bottom of the crystallization box 401 is provided with a second heating coil for heating, the outer side of the crystallization box 401 is provided with a second control module 402 for controlling the heating of the second heating coil, the top of the crystallization box 401 is provided with a crushing module 404 for crushing the crystals, and the upper side of the crystallization box 401 is provided with a cooling module 405 for cooling. The cooling module 405 is used to cool the fraction to obtain solid particles.

[0028] See also Figure 6-7In this embodiment, the crushing module 404 includes a second driving motor 406, a second rotating shaft 407 and a blade 408. The second driving motor 406 is provided with an output shaft. The output shaft of the second driving motor 406 passes through the outer side of the crystallization box 401 and extends to the inner side to drive the second rotating shaft 407 to rotate. The outer side of the second rotating shaft 407 is linearly distributed and surrounded by a plurality of groups of blades 408 for crushing the crude crystals. The second driving motor 406 drives the second rotating shaft 407 to rotate, which can drive the blades 408 to rotate to crush the solid The crude product is crushed to obtain a finished product. The cooling module 405 includes an annular water tank 409, a water inlet pipe 410, a second connecting pipe 411 and a nozzle 412. The upper end of the annular water tank 409 is provided with a water inlet pipe 410 for introducing water, and the outer side of the water inlet pipe 410 is provided with a control valve for controlling the inlet and outlet. A plurality of groups of nozzles 412 for sprinkling water are arranged around the lower end of the annular water tank 409. The nozzle 412 is connected to the annular water tank 409 through the second connecting pipe 411. The fraction can be cooled and crystallized by spraying water through the nozzle 412.

[0029] When working, the reactor assembly 1 is first placed on a stable ground, so that the suction cup 6 is tightly attached to the ground, so that the reactor body 101 remains stable, and then cyclohexane, hydrogen chloride and concentrated sulfuric acid are added to the reactor through the feed pipe 7, and then the first heating coil 102 is controlled by the first control module 103 to heat, so that the materials in the reactor react with each other;

[0030] Synchronously turn on the switch of the first driving motor 201 on the stirring assembly 2, and set the first driving motor 201 to drive the first rotating shaft 202 to rotate, so that the first rotating shaft 202 drives the stirring rod 203 to rotate and stir to mix the reaction evenly, and heat and reflux for about two hours under the action of the stirring rod 203;

[0031] Then, the control valve on the outer side of the liquid guide pipe 305 is opened, so that the liquid obtained after the reaction in the kettle body 101 is completely discharged into the distillation flask 301 along the liquid guide pipe 305, and then the control valve is closed, and the air in the distillation flask 301 is discharged along the outlet pipe 307 by injecting nitrogen from the air inlet pipe 306, and then the control valves on the outer sides of the air inlet pipe 306 and the air outlet pipe 307 are closed;

[0032] Then, the heating module 302 is used to heat the distillation flask 301 for fractional distillation and purification, and the temperature is adjusted according to the actual distillation needs through the temperature control knob 303, and the temperature change in the distillation flask 301 is understood in real time through the temperature display 304 and appropriate adjustments are made;

[0033] After the fraction obtained by distillation enters the crystallization box 401 from the first connecting pipe 308, the control valve outside the first connecting pipe 308 is closed, and cooling crystallization is performed using the cooling module 405. Water is introduced into the annular water tank 409 through the water inlet pipe 410, and then the cold water is transmitted to the nozzle 412 through the second connecting pipe 411, so that the nozzle 412 sprays cold water downward from the top of the crystallization box 401 to crystallize the collected fraction into a solid;

[0034] Then, the second control module 402 is used to control the temperature of the second heating coil to about 60°C, so that the crude product obtained by crystallization can be dried. After drying, the crystals are crushed by the crushing assembly, and the second driving motor 406 drives the second rotating shaft 407 to rotate, so that the second rotating shaft 407 drives the blade 408 to rotate to break the crystallized solidified material, and finally the finished product can be taken out through the box door 403.

[0035] Through the above steps, the staff first places the reactor assembly 1 on a stable ground, so that the suction cup 6 is tightly attached to the ground to keep the reactor body 101 stable, and then adds cyclohexane, hydrogen chloride and concentrated sulfuric acid into the reactor through the feeding pipe 7, and then controls the first heating coil 102 to heat through the first control module 103, so that the materials in the reactor react with each other, and simultaneously turns on the switch of the first driving motor 201 on the stirring assembly 2, and sets the first driving motor 201 to drive the first rotating shaft 202 to rotate, so that the first rotating shaft 202 drives the stirring rod 203 to rotate and stir to mix the reaction and make it uniform, and stirring with the stirring rod 203 can speed up the reaction speed. The stirring rod 203 is used to heat and reflux for about two hours, and then the control valve on the outside of the liquid conduit 305 is opened, so that the liquid obtained after the reaction in the kettle body 101 is completely discharged into the distillation flask 301 along the liquid conduit 305, and then the control valve is closed, and the air in the distillation flask 301 is discharged along the outlet pipe 307 by injecting nitrogen from the air inlet pipe 306, and then the control valves on the outside of the air inlet pipe 306 and the air outlet pipe 307 are closed again, and then the distillation flask 301 is heated by the heating module 302 for fractional distillation and purification, and the temperature is adjusted according to the actual distillation needs through the temperature control knob 303, and the temperature change in the distillation flask 301 is understood in real time through the temperature display 304 and adjusted appropriately, and the temperature display is set The display 304 can display the temperature change in the distillation flask 301 in real time, so that it is easy to grasp the temperature in the flask in real time. After the distillate obtained by distillation enters the crystallization box 401 from the first connecting pipe 308, the control valve on the outside of the first connecting pipe 308 is closed, and the cooling module 405 is used for cooling and crystallization. Water is introduced into the annular water tank 409 through the water inlet pipe 410, and then the cold water is transmitted to the nozzle 412 through the second connecting pipe 411, so that the nozzle 412 sprays cold water downward from the top of the crystallization box 401 to make the collected fractions crystallize into solids, and then the second control module 402 is used to control the temperature of the second heating coil to about 60°C, so that the crude product obtained by crystallization is dried. By setting the second control module 402 The molding group 402 controls the temperature of the second heating coil, and can adjust the temperature according to actual needs, so that the crystallized solid can be dried quickly. After drying, the crystals are crushed by the crushing component, and the second driving motor 406 drives the second rotating shaft 407 to rotate, so that the second rotating shaft 407 drives the blade 408 to rotate to break the crystallized solid. Finally, the finished product can be taken out through the box door 403. By setting the reactor component 1, the distillation component 3 and the extraction component 4 that are interconnected, each step can be carried out separately, or each link can be connected to each other, so that the separation and purification steps can be completed in one go, and the operation is simple and fast, and the working efficiency is higher than that of traditional separation and purification devices.

[0036] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A chlorocyclohexane separation and purification device, comprising a reaction kettle assembly (1); characterized in that: The reactor assembly (1) further comprises a stirring assembly (2), a distillation assembly (3), an extraction assembly (4), a support frame (5), a suction cup (6) and a feed pipe (7). The bottom of the reactor assembly (1) is provided with a stirring assembly (2) for accelerating the reaction. The lower end of the reactor assembly (1) is provided with a distillation assembly (3) for distillation. The right end of the distillation assembly (3) is provided with an extraction assembly (4) for crystallizing and solidifying the liquid after distillation. The upper end of the reactor assembly (1) is provided with a feed pipe (7) for introducing reaction materials. The outer side of the feed pipe (7) is provided with a control valve for controlling the inlet and outlet. Three groups of support frames (5) for supporting the reactor assembly (1) are provided around the lower side of the reactor assembly (1). The lower end of the support frame (5) is provided with a suction cup (6) for increasing stability.

2. A chlorocyclohexane separation and purification device according to claim 1, characterized in that: The reaction kettle component (1) comprises a kettle body (101), a first heating coil (102), a first control module (103) and a partition (104); a partition (104) for protecting the first heating coil (102) is provided inside the kettle body (101); a first heating coil (102) for heating is provided between the kettle body (101) and the partition (104); a first control module (103) for controlling heating is provided on the outside of the kettle body (101); and two groups of connection holes (105) for communicating with the distillation component (3) are symmetrically provided at the bottom of the kettle body (101).

3. A chlorocyclohexane separation and purification device according to claim 1, characterized in that: The stirring assembly (2) comprises a first driving motor (201), a first rotating shaft (202) and a stirring rod (203); the first driving motor (201) drives the stirring rod (203) to rotate by driving the first rotating shaft (202); stirring rods (203) for stirring are linearly distributed around the outer side of the stirring rod (203); and a plurality of groups of guide holes (204) for reducing rotation resistance are evenly distributed on the surface of the stirring rod (203).

4. A chlorocyclohexane separation and purification device according to claim 1, characterized in that: The distillation assembly (3) comprises a distillation flask (301), a heating module (302), a temperature control knob (303), a temperature display (304), a liquid guide tube (305), an air inlet pipe (306), an air outlet pipe (307) and a first connecting pipe (308). The lower end of the distillation flask (301) is provided with a heating module (302) for heating, the outer side of the heating module (302) is provided with a temperature control knob (303) for controlling the temperature height, the middle part of the upper end of the distillation flask (301) is provided with a temperature display (304) for displaying temperature changes, and the left and right sides of the temperature display (304) are symmetrically provided with liquid guide tubes (305) connected to the connecting hole (105). An inlet pipe (306) for introducing nitrogen is provided at the upper end of the distillation flask (301), an outlet pipe (307) for discharging air from the distillation flask (301) is provided on one side of the inlet pipe (306), a first connecting pipe (308) for introducing the distilled gas into the extraction component (4) is provided at the right end of the distillation flask (301), and control valves for controlling the inlet and outlet are provided on the outer sides of the liquid guide tube (305), the inlet pipe (306), the outlet pipe (307) and the first connecting pipe (308).

5. A chlorocyclohexane separation and purification device according to claim 1, characterized in that: The extraction component (4) comprises a crystallization box (401), a second control module (402), a box door (403), a crushing module (404) and a cooling module (405); the front end of the crystallization box (401) is provided with a box door (403) for opening and closing; the bottom of the crystallization box (401) is provided with a second heating coil for heating; the outer side of the crystallization box (401) is provided with a second control module (402) for controlling the heating of the second heating coil; the top of the crystallization box (401) is provided with a crushing module (404) for crushing the crystallized material; and the upper side of the crystallization box (401) is provided with a cooling module (405) for cooling.

6. A chlorocyclohexane separation and purification device according to claim 5, characterized in that: The crushing module (404) includes a second driving motor (406), a second rotating shaft (407) and a blade (408). The second driving motor (406) is provided with an output shaft. The output shaft of the second driving motor (406) passes through the outer side of the crystallization box (401) and extends to the inner side to drive the second rotating shaft (407) to rotate. The outer side of the second rotating shaft (407) is linearly distributed and surrounded by a plurality of groups of blades (408) for crushing the crude crystals.

7. A chlorocyclohexane separation and purification device according to claim 5, characterized in that: The cooling module (405) comprises an annular water tank (409), a water inlet pipe (410), a second connecting pipe (411) and a nozzle (412). The upper end of the annular water tank (409) is provided with a water inlet pipe (410) for introducing water, and the outer side of the water inlet pipe (410) is provided with a control valve for controlling the inlet and outlet. The lower end of the annular water tank (409) is surrounded by a plurality of nozzles (412) for spraying water, and the nozzles (412) are connected to the annular water tank (409) through the second connecting pipe (411).

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