CN213824804U

CN213824804U - Device for preparing hexafluoroisopropanol through catalytic hydrogenation

Info

Publication number: CN213824804U
Application number: CN202022573384.XU
Authority: CN
Inventors: 是小昌
Original assignee: Changzhou Jirui Chemical Co ltd
Current assignee: Changzhou Jirui Chemical Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-30
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a device of catalytic hydrogenation preparation hexafluoroisopropanol, including box, cavity, cassette and alcohol cotton, the box internal shaping has the cavity, be provided with ultraviolet tube on the cavity inner wall, ultraviolet tube with the cavity passes through the screw connection, the cavity upper end is provided with the cassette, the cassette with the cavity passes through the buckle and connects, the cassette intussuseption is filled with the alcohol cotton. Has the advantages that: the utility model discloses a set up air exhauster, exhaust duct, purifying box and activated carbon net, at device step-down in-process, the air exhauster can pass through the leading-in purifying box of exhaust duct with hexafluoroisopropanol's gas, and the activated carbon net in the purifying box can purify hexafluoroisopropanol's gas, and then guarantees that the combustion gas can not lead to the fact the influence to staff's healthy, improves the air quality around the device.

Description

Device for preparing hexafluoroisopropanol through catalytic hydrogenation

Technical Field

The utility model relates to a hexafluoroisopropanol preparation facilities technical field, concretely relates to device of catalytic hydrogenation preparation hexafluoroisopropanol.

Background

Hexafluoroisopropanol is a chemical substance, the molecular formula is C3H2F6O, the molecular weight is 168.04, and hexafluoroisopropanol is an important fluorine-containing fine chemical and can be used for preparing fluorine-containing chemicals such as fluorine-containing surfactants, fluorine-containing emulsifiers, fluorine-containing medicines and the like or used as a good solvent.

The device of present catalytic hydrogenation preparation hexafluoro-isopropanol need step down the jar body after the preparation is accomplished, and then can make the internal gas outgoing of jar, and because hexafluoro-isopropanol's gas is poisonous and direct emission in the air, can influence staff's healthy on the one hand, on the other hand can influence the air quality around the device, the reduction device practicality, in addition, the device of present catalytic hydrogenation preparation hexafluoro-isopropanol is stirring the in-process to the raw materials, because the (mixing) shaft does not contact with jar internal wall, and then lead to there being some raw materialss can't be stirred, make the raw materials can not fully contact with hydrogen, influence the reaction rate of raw materials and hydrogen, reduce device functionality and preparation efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, the device of catalytic hydrogenation preparation hexafluoroisopropanol now provides, it need step down the jar body after the preparation to have solved current catalytic hydrogenation preparation hexafluoroisopropanol's device, and then can make the internal gas outgoing of jar, and because hexafluoroisopropanol's gas is poisonous and directly discharge in the air, can influence staff's healthy on the one hand, on the other hand can influence the air quality around the device, reduce the device practicality, and current catalytic hydrogenation preparation hexafluoroisopropanol's device is in stirring the in-process to the raw materials, because the (mixing) shaft does not contact with jar internal wall, and then lead to existing some raw materials and can't be stirred, make the raw materials can not fully contact with hydrogen, influence the reaction rate of raw materials and hydrogen, reduce the problem of device functionality and preparation efficiency.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a device of catalytic hydrogenation preparation hexafluoroisopropanol, including a jar body, cover, air exhauster and purifying box, jar body upper end set up with the cover, the cover with the jar body passes through threaded connection, be provided with in the cover the air exhauster, the air exhauster with the cover passes through the screw connection, be provided with exhaust duct on the air outlet of air exhauster, exhaust duct with the air exhauster passes through the screw connection, exhaust duct one end is provided with the purifying box, the purifying box with exhaust duct pegs graft, be provided with the active carbon net in the purifying box, the active carbon net with the purifying box passes through the draw-in groove and connects.

Further, be provided with the inlet pipe on a jar body lateral wall, the inlet pipe with jar body is pegged graft, be provided with the intake pipe on another lateral wall of jar body, the intake pipe with jar body is pegged graft.

Through adopting above-mentioned technical scheme, hexafluoroacetone hydrate warp the inlet pipe gets into the jar body, simultaneously hydrogen warp the intake pipe gets into the jar body, and then makes both reactions.

Furthermore, heating pipes are arranged on the inner walls of the two sides of the tank body, and the heating pipes are connected with the tank body through screws.

By adopting the technical scheme, the heating pipe can heat the interior of the tank body, so that the reaction rate of the hexafluoroacetone hydrate and the hydrogen is accelerated.

Further, jar body bottom is provided with the base, jar body with the base passes through the screw connection, be provided with the motor in the base, the motor with the base passes through the screw connection, jar internal pivot that is provided with, the pivot with jar body rotates to be connected, the motor with the pivot key-type connection, be provided with the horizontal pole on the pivot outer wall, the horizontal pole with the carousel passes through the screw connection, horizontal pole one end is provided with the adhesive tape, the adhesive tape with the horizontal pole passes through the screw connection.

Through adopting above-mentioned technical scheme, in reaction process, the motor drives the pivot rotates, and then makes it drive horizontal pole and adhesive tape rotate, can stir hexafluoroacetone hydrate, simultaneously the adhesive tape with the contact of jar internal wall and can not be right jar internal wall causes wearing and tearing, can make hexafluoroacetone hydrate all stirred, and then makes hexafluoroacetone hydrate fully contact with hydrogen, guarantees the reaction rate of hexafluoroacetone hydrate and hydrogen, improves device functionality and preparation efficiency.

Furthermore, a liquid drainage pipeline is arranged below the air inlet pipe, the liquid drainage pipeline is connected with the tank body in an inserting mode, a valve is arranged on one side wall of the liquid drainage pipeline, and the valve is connected with the liquid drainage pipeline through threads.

By adopting the technical scheme, after the preparation is finished, the valve is opened, and the hexafluoroisopropanol in the tank body passes through the liquid discharge pipeline discharge device.

Furthermore, a barometer is arranged on one side of the exhaust fan and is connected with the tank cover in an inserting mode.

By adopting the technical scheme, the barometer can detect the air pressure change in the tank body in the working process of the device.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that the existing device for preparing hexafluoroisopropanol by catalytic hydrogenation needs to reduce the pressure of a tank body after the preparation is finished, so that the gas in the tank body can be discharged, and the hexafluoroisopropanol is toxic and is directly discharged in the air, so that the health of workers can be influenced on one hand, the air quality around the device can be influenced on the other hand, and the practicability of the device is reduced, the utility model discloses a set up an exhaust fan, an exhaust pipeline, a purification box and an active carbon net, in the pressure reduction process of the device, the exhaust fan can guide the hexafluoroisopropanol gas into the purification box through the exhaust pipeline, and the active carbon net in the purification box can purify the hexafluoroisopropanol gas, thereby ensuring that the discharged gas can not influence the health of the workers, and improving the air quality around the device;

2. in order to solve the problems that in the existing device for preparing hexafluoroisopropanol by catalytic hydrogenation, in the process of stirring raw materials, because the stirring shaft is not contacted with the inner wall of the tank body, a part of raw materials can not be stirred, so that the raw materials can not be fully contacted with hydrogen, the reaction rate of the raw materials and the hydrogen is influenced, and the functionality and the preparation efficiency of the device are reduced, in the reaction process, the motor drives the rotating shaft to rotate, so that the rotating shaft drives the cross rod and the adhesive tape to rotate, hexafluoroacetone hydrate can be stirred, meanwhile, the adhesive tape is contacted with the inner wall of the tank body and cannot abrade the inner wall of the tank body, so that the hexafluoroacetone hydrate can be completely stirred, and then the hexafluoroacetone hydrate is fully contacted with hydrogen, the reaction rate of the hexafluoroacetone hydrate and the hydrogen is ensured, and the functionality and the preparation efficiency of the device are improved.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation according to the present invention;

FIG. 2 is a sectional view of a tank body in the device for preparing hexafluoroisopropanol by catalytic hydrogenation according to the present invention;

FIG. 3 is a sectional view of a purifying box in the device for preparing hexafluoroisopropanol by catalytic hydrogenation.

The reference numerals are explained below:

1. a tank body; 2. a feed pipe; 3. a barometer; 4. an exhaust duct; 5. a purification box; 6. an exhaust fan; 7. an air inlet pipe; 8. a can lid; 9. a valve; 10. a liquid discharge conduit; 11. a cross bar; 12. an adhesive tape; 13. an electric motor; 14. heating a tube; 15. a rotating shaft; 16. an activated carbon mesh; 17. a base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation in this embodiment comprises a tank body 1, a tank cover 8, an exhaust fan 6 and a purification box 5, wherein the tank cover 8 is arranged at the upper end of the tank body 1, the tank cover 8 is in threaded connection with the tank body 1, the exhaust fan 6 is arranged in the tank cover 8, the exhaust fan 6 is in threaded connection with the tank cover 8, an exhaust pipe 4 is arranged on an air outlet of the exhaust fan 6, the exhaust pipe 4 is in threaded connection with the exhaust fan 6, the purification box 5 is arranged at one end of the exhaust pipe 4, the purification box 5 is inserted into the exhaust pipe 4, an activated carbon mesh 16 is arranged in the purification box 5, the activated carbon mesh 16 is connected with the purification box 5 through a clamping groove, during the pressure reduction process of the apparatus, the exhaust fan 6 can guide the hexafluoroisopropanol gas into the purification box 5 through the exhaust pipe 4, and the activated carbon mesh 16 in the purification box 5 can purify the hexafluoroisopropanol gas, and then guarantee that the combustion gas can not lead to the fact the influence to staff's healthy, improve the air quality around the device, be provided with inlet pipe 2 on 1 lateral wall of the jar body, inlet pipe 2 pegs graft with 1 of the jar body, be provided with intake pipe 7 on 1 another lateral wall of the jar body, intake pipe 7 is inserted with 1 of the jar body, hexafluoroacetone hydrate gets into jar body 1 through inlet pipe 2, hydrogen gets into jar body 1 through intake pipe 7 simultaneously, and then makes both react.

As shown in fig. 1-3, in this embodiment, heating pipes 14 are disposed on inner walls of two sides of a tank 1, the heating pipes 14 are connected to the tank 1 through screws, the heating pipes 14 can heat the inside of the tank 1 to accelerate a reaction rate of hexafluoroacetone hydrate with hydrogen, a base 17 is disposed at a bottom end of the tank 1, the tank 1 is connected to the base 17 through screws, a motor 13 is disposed in the base 17, the motor 13 is connected to the base 17 through screws, a rotating shaft 15 is disposed in the tank 1, the rotating shaft 15 is rotatably connected to the tank 1, the motor 13 is connected to the rotating shaft 15, a cross rod 11 is disposed on an outer wall of the rotating shaft 15, the cross rod 11 is connected to a turntable through screws, an adhesive tape 12 is disposed at one end of the cross rod 11, the adhesive tape 12 is connected to the cross rod 11 through screws, during a reaction process, the motor 13 drives the rotating shaft 15 to rotate, and further drives the cross rod 11 and the adhesive tape 12 to rotate, can stir hexafluoroacetone hydrate, adhesive tape 12 contacts and can not lead to the fact wearing and tearing to the 1 inner wall of the jar body with jar body inner wall simultaneously, can make hexafluoroacetone hydrate all stirred to, and then makes hexafluoroacetone hydrate and hydrogen fully contact, guarantees the reaction rate of hexafluoroacetone hydrate and hydrogen, improves device functionality and preparation efficiency.

As shown in fig. 1-3, in this embodiment, a liquid discharge pipe 10 is disposed below the air inlet pipe 7, the liquid discharge pipe 10 is inserted into the tank 1, a valve 9 is disposed on a side wall of the liquid discharge pipe 10, the valve 9 is connected to the liquid discharge pipe 10 through a screw thread, after the preparation is completed, the valve 9 is opened, hexafluoroisopropanol in the tank 1 is discharged out of the apparatus through the liquid discharge pipe 10, a barometer 3 is disposed on one side of the exhaust fan 6, the barometer 3 is inserted into the tank cover 8, and the barometer 3 can detect a change in air pressure in the tank 1 during the operation of the apparatus.

The specific implementation process of this embodiment is as follows: firstly, hexafluoroacetone hydrate enters a tank body 1 through a feeding pipe 2, hydrogen enters the tank body 1 through an air inlet pipe 7, and then the hexafluoroacetone hydrate and the tank body 1 react with each other, in the reaction processes of the hexafluoroacetone hydrate and the tank body, a heating pipe 14 can heat the interior of the tank body 1, a motor 13 drives a rotating shaft 15 to rotate, so that a cross rod 11 and an adhesive tape 12 are driven to rotate, the hexafluoroacetone hydrate can be stirred, the adhesive tape 12 is in contact with the inner wall of the tank body 1 and cannot abrade the inner wall of the tank body 1, the hexafluoroacetone hydrate can be completely stirred, the hexafluoroacetone hydrate is fully contacted with the hydrogen, the reaction rate of the hexafluoroacetone hydrate and the hydrogen is ensured, the functionality and the preparation efficiency of the device are improved, a gas pressure gauge 3 detects the change of the air pressure in the tank body 1 in the working process of the device, when the temperature and pressure reduction are needed after the preparation is finished, an exhaust fan 6 can guide the hexafluoroisopropanol gas into a purification box 5 through an exhaust pipeline 4, the active carbon net 16 in the purifying box 5 can purify the gas of hexafluoroisopropanol, and then guarantees that the combustion gas can not cause the influence to staff's healthy, improves the air quality around the device, opens valve 9 at last, and the hexafluoroisopropanol in the jar body 1 is through flowing back pipeline 10 eduction gear.

The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A device for preparing hexafluoroisopropanol by catalytic hydrogenation is characterized in that: including a jar body (1), cover (8), air exhauster (6) and purifying box (5), jar body (1) upper end is provided with cover (8), cover (8) with jar body (1) is through threaded connection, be provided with in cover (8) air exhauster (6), air exhauster (6) with cover (8) are through screw connection, be provided with exhaust duct (4) on the air outlet of air exhauster (6), exhaust duct (4) with air exhauster (6) are through screw connection, exhaust duct (4) one end is provided with purifying box (5), purifying box (5) with exhaust duct (4) are pegged graft, be provided with activated carbon net (16) in purifying box (5), activated carbon net (16) with purifying box (5) are connected through the draw-in groove.

2. The apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation according to claim 1, wherein: be provided with inlet pipe (2) on jar body (1) a lateral wall, inlet pipe (2) with jar body (1) is pegged graft, be provided with intake pipe (7) on jar body (1) another lateral wall, intake pipe (7) with jar body (1) is pegged graft.

3. The apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation according to claim 2, wherein: heating pipes (14) are arranged on the inner walls of the two sides of the tank body (1), and the heating pipes (14) are connected with the tank body (1) through screws.

4. The apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation as claimed in claim 3, wherein: the utility model discloses a jar body, including jar body (1), pivot (15), motor (13), base (17), horizontal pole (11) and pivot (15) pass through the screw connection, jar body (1) with base (17) pass through the screw connection, be provided with motor (13) in base (17), motor (13) with base (17) pass through the screw connection, be provided with pivot (15) in jar body (1), pivot (15) with jar body (1) rotates to be connected, motor (13) with pivot (15) key-type connection, be provided with on pivot (15) outer wall horizontal pole (11), horizontal pole (11) with pivot (15) pass through the screw connection, horizontal pole (11) one end is provided with adhesive tape (12), adhesive tape (12).

5. The apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation as claimed in claim 4, wherein: the liquid discharging tank is characterized in that a liquid discharging pipeline (10) is arranged below the air inlet pipe (7), the liquid discharging pipeline (10) is connected with the tank body (1) in an inserting mode, a valve (9) is arranged on one side wall of the liquid discharging pipeline (10), and the valve (9) is connected with the liquid discharging pipeline (10) through threads.

6. The apparatus for preparing hexafluoroisopropanol by catalytic hydrogenation according to claim 5, wherein: and a barometer (3) is arranged on one side of the exhaust fan (6), and the barometer (3) is connected with the tank cover (8) in an inserting mode.