CN216456968U - Processing octoic acid is stills for mercaptan - Google Patents

Abstract

The utility model relates to the technical field of production of mercaptan caprylate, and discloses a distillation still for processing the mercaptan caprylate, which comprises a still body, wherein a still cover is arranged at the upper end of the still body, a motor base is arranged at the upper end of the still cover, a stabilizing plate is arranged inside the motor base, a motor is arranged on the upper surface of the motor base, a connecting rod is connected at the lower end of the motor, and a connecting block is connected at the lower end of the connecting rod The pressure and the like are controlled more accurately, so that the stability of the quality of the output product is ensured, and the production efficiency is improved.

Description

Processing octoic acid is stills for mercaptan

Technical Field

The utility model relates to the technical field of fine chemical production, in particular to a distillation still for processing caprylic acid thiol ester.

Background

During the production process of the caprylic thiol ester, petroleum ether and an extract of the caprylic thiol ester need to be put into a distillation kettle for distillation treatment, so that the product can be obtained.

Chinese patent discloses a recovery distillation still (publication No. CN 209333227U) for polyarylate production, which solves the problem of difficult recovery of segregation agent in the prior art, and completes the functions of heating distillation, recovery crystallization and the like through the close combination of the distillation still, the crystallization still and the recovery still, thereby not only obtaining polyarylate crystal particles, but also being capable of perfectly recovering the segregation agent, but also being incapable of solving the problems that the feeding amount, the feeding speed, the temperature and the pressure of the process can not be strictly controlled during distillation operation, being incapable of improving the production quality through automatic control and reducing the risk and the loss caused by artificial misoperation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a distillation still for processing mercaptan octanoate, which solves the problems in the background technology.

The technical scheme of the utility model is as follows: the utility model provides a processing reation kettle for caprylic acid mercaptan ester, includes the cauldron body, the kettle cover is installed to the upper end of the cauldron body, the motor cabinet is installed to the upper end of kettle cover, the internally mounted of motor cabinet has the steadying plate, and the last surface mounting of motor cabinet has the motor, the lower extreme of motor is connected with the connecting rod, the lower extreme of connecting rod is connected with the connecting block, the lower extreme of connecting block is connected with the puddler, the thermometer is installed to the front surface upper end position department of the cauldron body, and the left side of the cauldron body surface lower extreme position department installs steam control valve, the vacuum pump is installed in steam control valve's top in the left side of the cauldron body, the right-hand member of vacuum pump is connected with the vacuum control valve, the right-hand member of vacuum control valve is connected with the evacuation governing valve.

Further: the left of kettle cover is installed the material and is advanced the governing valve, the right-hand member that the governing valve was advanced to the material is connected with the flowmeter, the manometer is installed to the upper surface front end of kettle cover, and the upper surface right-hand member of kettle cover installs the condensate governing valve, the right-hand material of installing of the kettle body is received the jar, the upper surface through connection of material receiving tank has first connecting pipe, and the left side surface mounting of material receiving tank has the level gauge, the front surface lower extreme position department through connection of material receiving tank has the bin outlet, and the internally mounted of material receiving tank has the condenser pipe.

Further: circulating water tank is installed in the place ahead of the cauldron body, circulating water tank's last surface mounting has the water pump, the upper end of water pump is connected with the circulating water and advances the governing valve, the upper end that the circulating water advances the governing valve is connected with the second connecting pipe, circulating water tank's right side surface through connection has the third connecting pipe, the upper end of third connecting pipe is connected with the circulating water and goes out the trip valve.

Further: the connecting rod activity runs through the steadying plate, the right-hand member of evacuation governing valve is connected in the inside of the cauldron body.

And further: the right end of the flowmeter is connected with the inside of the kettle cover, and the right end of the condensate regulating valve is connected with the first connecting pipe.

And further: the second connecting pipe twines in the inner wall of the cauldron body, the circulating water goes out the trip valve and connects in the one end of second connecting pipe.

The utility model has the beneficial effects that: the utility model combines the steam regulating valve, the vacuum regulating valve, the emptying regulating valve, the material inlet regulating valve, the flowmeter, the thermometer and the pressure gauge together for use and automatically controls the operation through an external control program, thereby solving the problem that the feeding amount, the feeding speed, the temperature and the pressure can not be strictly controlled during the distillation operation, reducing the risk and the loss caused by artificial misoperation, simultaneously realizing remote control, greatly reducing the number of field operators and the working intensity of workers, ensuring more accurate control of the temperature, the pressure and the like of the process, ensuring the stability of the quality of the produced products and improving the production efficiency.

Drawings

FIG. 1 is a schematic diagram of a still pot for processing mercaptan octanoate;

FIG. 2 is a cross-sectional view of the body of a still pot for processing thiol octanoate;

FIG. 3 is a cross-sectional view of a material receiving tank in a still pot for processing thiol octanoate;

in the figure: 1. a kettle body; 2. a kettle cover; 3. a motor base; 4. a stabilizing plate; 5. a motor; 6. a connecting rod; 7. connecting blocks; 8. a stirring rod; 9. a thermometer; 10. a steam regulating valve; 11. a vacuum pump; 12. a vacuum regulating valve; 13. emptying the regulating valve; 14. the material enters the regulating valve; 15. a flow meter; 16. a pressure gauge; 17. a condensate regulating valve; 18. a material receiving tank; 19. a first connecting pipe; 20. a liquid level meter; 21. a discharge outlet; 22. a condenser tube; 23. a circulating water tank; 24. a water pump; 25. circulating water inlet adjusting valves; 26. a second connecting pipe; 27. a third connecting pipe; 28. and a circulating water outlet shut-off valve.

Detailed Description

Referring to fig. 1 to 3, a distillation still for processing mercaptan octanoate comprises a still body 1, a still cover 2 is mounted at the upper end of the still body 1, a motor base 3 is mounted at the upper end of the still cover 2, a stabilizing plate 4 is mounted inside the motor base 3, a motor 5 is mounted on the upper surface of the motor base 3, a connecting rod 6 is connected to the lower end of the motor 5, the connecting rod 6 movably penetrates through the stabilizing plate 4, a connecting block 7 is connected to the lower end of the connecting rod 6, a stirring rod 8 is connected to the lower end of the connecting block 7, a thermometer 9 is mounted at the upper end of the front surface of the still body 1, a steam regulating valve 10 is mounted at the lower end of the left side surface of the still body 1, a vacuum pump 11 is mounted above the steam regulating valve 10 at the left side of the still body 1, a vacuum regulating valve 12 is connected to the right end of the vacuum pump 11, an evacuation regulating valve 13 is connected to the right end of the vacuum regulating valve 12, the right end of the evacuation regulating valve 13 is connected to the inside of the still body 1, a material inlet adjusting valve 14 is installed on the left side of the kettle cover 2, a flow meter 15 is connected to the right end of the material inlet adjusting valve 14, the right end of the flow meter 15 is connected with the inside of the kettle cover 2, a pressure gauge 16 is installed at the front end of the upper surface of the kettle cover 2, a condensate adjusting valve 17 is installed at the right end of the upper surface of the kettle cover 2, a material receiving tank 18 is installed on the right side of the kettle body 1, a first connecting pipe 19 is connected to the upper surface of the material receiving tank 18 in a penetrating manner, the right end of the condensate adjusting valve 17 is connected to the first connecting pipe 19, a liquid level meter 20 is installed on the left side surface of the material receiving tank 18, a discharge port 21 is connected to the lower end of the front surface of the material receiving tank 18 in a penetrating manner, a condensing pipe 22 is installed inside the material receiving tank 18, a circulating water tank 23 is installed in front of the kettle body 1, a water pump 24 is installed on the upper surface of the circulating water tank 23, and a circulating water inlet adjusting valve 25 is connected to the upper end of the water pump 24, the upper end that circulating water advances governing valve 25 is connected with second connecting pipe 26, second connecting pipe 26 twines in the inner wall of cauldron body 1, the right side surface through connection of circulating water tank 23 has third connecting pipe 27, the upper end of third connecting pipe 27 is connected with circulating water play trip valve 28, circulating water play trip valve 28 is connected in the one end of second connecting pipe 26, thermometer 9, steam control valve 10, vacuum pump 11, vacuum control valve 12, evacuation governing valve 13, material advances governing valve 14, flowmeter 15, manometer 16, condensate governing valve 17, water pump 24, circulating water advances governing valve 25 and circulating water play trip valve 28 all with external control ware electric connection, control through the procedure in the external control ware, form automatic operation.

The working principle of the utility model is as follows: firstly, discharging raw materials for processing the caprylic acid thioester alcohol into the kettle body 1 through a material inlet regulating valve 14, automatically starting a vacuum pump 11 by an external controller program for vacuumizing, regulating the opening degree of a vacuum regulating valve 12 to be 40 percent, and regulating the opening degree of an emptying regulating valve 13 to be 28 percent, so that the vacuum in the kettle is controlled to be about-45 KPa, and the pressure is displayed on a pressure gauge 16; the external controller program automatically opens the material inlet adjusting valve 14 to an opening degree of 100% and keeps for about 10 minutes, and then adjusts the material inlet adjusting valve to an opening degree of 30%; an external controller program automatically opens the condensate adjusting valve 17 to an opening degree of 20%, then opens the steam adjusting valve 10 to an opening degree of 30%, so that the temperature in the kettle gradually rises to 40 ℃, the temperature is displayed by the thermometer 9, then the steam adjusting valve 10 is reduced to an opening degree of 10%, the solvent is distilled at a constant speed and enters the material receiving tank 18 through the first connecting pipe 19, the solvent is condensed into liquid through the condensing pipe 22, and the material inlet adjusting valve 14 is closed after the material is completely fed; the internal temperature gradually rises along with the continuous distillation of the solvent, when the internal temperature rises to 55 ℃, the external controller program automatically reduces the opening degree of the steam regulating valve 10 to 5 percent, when the temperature reaches 60 ℃, the emptying regulating valve 13 reduces the opening degree by 2 percent every 5 minutes until the emptying regulating valve 13 is completely closed, then the vacuum regulating valve 12 increases the opening degree by 10 percent every 5 minutes until the vacuum regulating valve 12 is completely opened, and simultaneously the steam regulating valve 10 is gradually reduced until the vacuum regulating valve is completely closed; when the temperature is 59 +/-1 ℃ and the vacuum degree is-78 KPa, finishing distillation if no distillate exists; the external controller program automatically closes the condensate adjusting valve 17, opens the circulating water outlet stop valve 28, opens the circulating water inlet adjusting valve 25 to 100% of opening degree, cools the feed liquid to normal temperature, and opens the discharge port 21 to collect the distilled product.

Claims (6)

1. The utility model provides a processing reation kettle for caprylic acid mercaptan ester, includes the cauldron body (1), kettle cover (2) are installed to the upper end of the cauldron body (1), motor cabinet (3) are installed to the upper end of kettle cover (2), the internally mounted of motor cabinet (3) has steadying plate (4), and the last surface mounting of motor cabinet (3) has motor (5), the lower extreme of motor (5) is connected with connecting rod (6), the lower extreme of connecting rod (6) is connected with connecting block (7), the lower extreme of connecting block (7) is connected with puddler (8), its characterized in that, thermometer (9) are installed to the front surface upper end position department of the cauldron body (1), and the left side surface lower extreme position department of the cauldron body (1) installs steam control valve (10), vacuum pump (11) are installed to the left side of the cauldron body (1) above being located steam control valve (10), and a connecting pipeline on one side of the vacuum pump (11) is sequentially connected with a vacuum regulating valve (12) and an evacuation regulating valve (13).

2. The distillation still for processing mercaptan octanoate according to claim 1, wherein a material inlet regulating valve (14) is installed on the left side of the still cover (2), a flow meter (15) is connected to the right end of the material inlet regulating valve (14), a pressure gauge (16) is installed at the front end of the upper surface of the still cover (2), a condensate regulating valve (17) is installed at the right end of the upper surface of the still cover (2), a material receiving tank (18) is installed on the right side of the still body (1), a first connecting pipe (19) is connected to the upper surface of the material receiving tank (18) in a penetrating manner, a liquid level meter (20) is installed on the left surface of the material receiving tank (18), a discharge port (21) is connected to the lower end of the front surface of the material receiving tank (18) in a penetrating manner, and a condensing pipe (22) is installed inside the material receiving tank (18).

3. The distillation still for processing mercaptan octanoate according to claim 2, wherein a circulation water tank (23) is installed in front of the still body (1), a water pump (24) is installed on the upper surface of the circulation water tank (23), a circulation water inlet regulating valve (25) is connected to the upper end of the water pump (24), a second connecting pipe (26) is connected to the upper end of the circulation water inlet regulating valve (25), a third connecting pipe (27) is connected to the right side surface of the circulation water tank (23) in a penetrating manner, and a circulation water outlet shut-off valve (28) is connected to the upper end of the third connecting pipe (27).

4. A still pot for processing thiol octanoate according to claim 1, wherein said connecting rod (6) is movably inserted through said stabilizing plate (4), and said evacuation regulating valve (13) is connected to the inside of said pot body (1) at the right end thereof.

5. A still pot for processing thiol octanoate according to claim 2, wherein a right end of said flow meter (15) is connected to an inside of the pot cover (2), and a right end of said condensate adjusting valve (17) is connected to the first connecting pipe (19).

6. A still further according to claim 3, wherein said second connecting pipe (26) is wound in the inner wall of the still body (1), and said circulating water outlet shut-off valve (28) is connected to one end of the second connecting pipe (26).

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