A device for synthesizing p-tert-butylcyclohexanol

By designing a p-tert-butylcyclohexanol synthesis apparatus that includes a hydrogen tank, a reaction condenser, a stirring tank, a gas-liquid separator, and a separation tank, the problems of resource waste and environmental pollution have been solved, resource recycling and efficient product collection have been achieved, and the synthesis quality and efficiency have been improved.

CN115608278BActive Publication Date: 2026-03-27ZIBO HENGFENG NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-13
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The current synthesis of p-tert-butylcyclohexanol involves serious resource waste, improper handling of byproducts leading to environmental pollution, and high costs for the transportation and storage of the synthesized product.

Method used

A synthesis apparatus comprising a hydrogen tank, a reaction condenser, a stirring tank, a gas-liquid separator, an atmospheric pressure separator, and a vacuum separator was designed. The catalyst is mixed in the stirring tank, hydrogen is recovered in the gas-liquid separator, the solvent is separated in the atmospheric pressure separator, and the by-products are collected in the vacuum separator, thereby achieving resource recycling and efficient product collection.

Benefits of technology

It improves the quality and efficiency of the synthesis of tert-butylcyclohexanol, reduces resource waste and environmental pollution, and lowers production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylcyclohexanol synthesis device and relates to the technical field of chemical substance production equipment. The application discloses a p-t-butylc
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chemical production equipment, and particularly relates to a p-tert-butylcyclohexanol synthesis device. BACKGROUND

[0002] P-tert-butylcyclohexanol is a white needle-shaped or powdery crystal, has a woody, patchouli-like aroma. Contains cis and trans isomers, the commonly used synthesis method is to perform tert-butylization reaction on phenol and isobutene in the presence of aluminum chloride, and then catalytic hydrogenation can obtain a mixture of two geometric structures, p-tert-butylcyclohexanol can replace patchouli oil which has a discoloration problem in essence.

[0003] Meanwhile, a method for synthesizing p-tert-butylcyclohexanol by using 4-tert-butylphenol solution and adding a specific noble metal supported hydrogenation catalyst to the solution, and then using a hydrogenation reaction is also commonly used, a large amount of hydrogen and solvent are used in this process, and both are disposable, thereby causing waste of resources, increasing the production cost, and the by-products generated during synthesis cannot be effectively treated, which easily causes environmental pollution, in addition, the synthesized p-tert-butylcyclohexanol is in a solution state, thereby increasing the cost of transportation and storage of the p-tert-butylcyclohexanol. SUMMARY

[0004] The present application aims to provide a p-tert-butylcyclohexanol synthesis device to solve the problems in the background art.

[0005] To achieve the above object, the present application provides the following technical scheme.

[0006] A device for synthesizing p-tert-butylcyclohexanol, comprising a base plate, a hydrogen tank arranged on the left side of the top of the base plate, a reaction condensing tank arranged on the right side of the top of the base plate through a support, a first booster pump arranged on the top of the hydrogen tank, the hydrogen tank being connected with the reaction condensing tank through a pipeline, the first booster pump and a gas outlet pipe, a stirring box arranged on the top of the reaction condensing tank through a mounting plate, the stirring box being connected with the reaction condensing tank through a first liquid outlet pipe, a first electric valve arranged on the first liquid outlet pipe, a raw material pipe, a liquid injection port and a motor arranged on the stirring box through a box cover, stirring blades arranged on the power output shaft of the motor through a rotating shaft, a gas-liquid separation tank arranged on the liquid outlet end of the reaction condensing tank through a second liquid outlet pipe, a second electric valve arranged on the second liquid outlet pipe, the gas-liquid separation tank being connected with the hydrogen tank through a gas return pipe, a fixing block arranged in the gas-liquid separation tank, an atmospheric separation tank arranged on the right side outer wall of the stirring box through a support plate, the gas-liquid separation tank being connected with the atmospheric separation tank through a pipeline and a second booster pump, a decompression separation tank arranged on the liquid outlet end of the atmospheric separation tank, a flaking machine arranged on the liquid outlet end of the decompression separation tank, a supporting plate arranged below the flaking machine on the top of the base plate, a controller arranged between the hydrogen tank and the support on the top of the base plate, the controller being connected with the motor, the first electric valve, the second electric valve, the first booster pump and the second booster pump through wires.

[0007] As a further scheme of the present application: a hydrogen pipe is arranged on the gas inlet end of the hydrogen tank, and a first valve is arranged on the hydrogen pipe.

[0008] As a further scheme of the present application: a pressure gauge is further arranged on the hydrogen pipe.

[0009] As a further scheme of the present application: the box cover is arranged on the stirring box through bolts.

[0010] As a further scheme of the present application: a second valve is arranged on the raw material pipe.

[0011] As a further scheme of the present application: a solvent storage tank is arranged on the right side of the atmospheric separation tank through a pipeline.

[0012] As a further scheme of the present application: a by-product storage tank is arranged on the decompression separation tank through a pipeline.

[0013] As a further scheme of the present application: a one-way valve is arranged on the gas return pipe.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. Under the action of the stirring box, the 4-tert-butyl phenol solution can be fully mixed with a specific noble metal supported hydrogenation catalyst, thereby helping to improve the synthesis quality of the device for synthesizing p-tert-butylcyclohexanol to a certain extent.

[0016] 2. The gas-liquid separator can be used to recover and reuse the excess hydrogen after the hydrogenation reaction, and the solvent can be separated by the atmospheric pressure separator, which reduces the waste of hydrogen and solvent, promotes the recycling of resources, and makes the synthesis process of tert-butylcyclohexanol more green and environmentally friendly.

[0017] 3. By using a vacuum separator to collect byproducts, the direct discharge of byproducts and the resulting environmental pollution are reduced. At the same time, the use of the flake generator and pallet facilitates the collection and handling of p-tert-butylcyclohexanol, which to some extent helps to improve the efficiency and quality of p-tert-butylcyclohexanol synthesis and reduces the cost of storing p-tert-butylcyclohexanol solution. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the structure of an embodiment of the present invention.

[0019] Fig. 2 This is a partial structural diagram of the mixing tank in an embodiment of the present invention.

[0020] Fig. 3 This is a partial structural diagram of the gas-liquid separator in an embodiment of the present invention.

[0021] Figure label annotations: 1. Base plate; 2. Hydrogen tank; 3. Hydrogen pipe; 301. First valve; 302. Pressure gauge; 4. First booster pump; 5. Gas outlet pipe; 6. Stirring tank; 7. Reaction condenser; 8. Tank cover; 801. Bolt; 9. Raw material pipe; 901. Second valve; 10. Motor; 11. Liquid inlet; 12. Stirring blade; 13. First liquid outlet pipe; 1301. First electric valve; 14. Second liquid outlet pipe; 1401. Second electric valve; 15. Gas-liquid separator; 1501. Fixing block; 16. Second booster pump; 17. Atmospheric pressure separator; 1701. Solvent storage tank; 18. Reduced pressure separator; 1801. By-product storage tank; 19. Flake machine; 20. Pallet; 21. Return gas pipe; 2101. Check valve; 22. Controller. Detailed Implementation

[0022] The following embodiments will describe the present invention in detail with reference to the accompanying drawings. In the drawings or description, similar or identical parts are referred to by the same reference numerals, and in practical applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in this invention are merely illustrative and not intended to limit the scope of the invention. Any obvious modifications or changes made to this invention do not depart from the spirit and scope of the invention.

[0023] Example

[0024] Please see Figs. 1-3In the embodiment of the present application, a device for synthesizing p-tert-butylcyclohexanol comprises a base plate 1, a hydrogen tank 2 arranged on the left side of the top of the base plate 1, a hydrogen pipe 3 arranged on the hydrogen tank 2, a first valve 301 arranged on the hydrogen pipe 3, and a pressure gauge 302 arranged on the right side of the first valve 301 on the hydrogen pipe 3. The hydrogen pipe 3 is connected to a hydrogen generator at the gas inlet end of the hydrogen pipe 3. The first valve 301 can control the rate of hydrogen entering the hydrogen tank 2. The pressure gauge 302 can observe the gas pressure in the hydrogen tank 2, thereby preventing accidents such as explosion of the hydrogen tank 2 caused by excessive gas pressure in the hydrogen tank 2, and ensuring the safety of the device in actual use to a certain extent.

[0025] A reaction condenser tank 7 is arranged on the right side of the top of the base plate 1 through a support. A first booster pump 4 is arranged on the top of the hydrogen tank 2. The gas inlet end of the first booster pump 4 is connected to the hydrogen tank 2 through a conduit. A gas outlet pipe 5 is arranged at the gas outlet end of the first booster pump 4. The gas outlet end of the gas outlet pipe 5 is connected to the reaction condenser tank 7. A stirring box 6 is arranged on the top of the reaction condenser tank 7 through a mounting plate. A box cover 8 is arranged on the stirring box 6. A raw material pipe 9 and a liquid injection port 11 are arranged on the box cover 8. The raw material pipe 9 is connected to a raw material box at the raw material inlet end. A motor 10 is further arranged on the box cover 8. A rotating shaft is arranged on the power output shaft of the motor 10. The rotating shaft penetrates through the box cover 8 and extends into the stirring box 6. Stirring blades 12 are arranged on the rotating shaft. The gas outlet end of the stirring box 6 is connected to the reaction condenser tank 7 through a first liquid outlet pipe 13. A first electric valve 1301 is arranged on the first liquid outlet pipe 13. In actual use, when synthesizing p-tert-butylcyclohexanol, 4-tert-butylphenol solution is introduced into the stirring box 6 through the raw material pipe 9. At this time, a specific noble metal supported hydrogenation catalyst is added into the stirring box 6 through the liquid injection port 11. At this time, the motor 10 is started to drive the stirring blades 12 to rotate, so that the 4-tert-butylphenol solution and the noble metal supported hydrogenation catalyst are fully mixed, so that the corresponding reaction work is performed. After a period of reaction, the first electric valve 1301 is opened, so that the mixed solution in the stirring box 6 can enter the reaction condenser tank 7. At this time, the hydrogen in the hydrogen tank 2 is pumped into the reaction condenser tank 7 through the first booster pump 4, so that the mixed solution performs certain hydrogenation work. At this time, the mixed solution contains a large amount of p-tert-butylcyclohexanol, hydrogen, solvent and by-products. The above process is repeated to repeatedly produce p-tert-butylcyclohexanol. A second valve 901 is arranged on the raw material pipe 9. The second valve 901 can control the rate of raw material flowing into the stirring box 6, thereby ensuring the synthesis efficiency of the device for p-tert-butylcyclohexanol. The box cover 8 is arranged on the stirring box 6 through bolts 801. The bolts 801 facilitate the maintenance and maintenance of the internal components of the stirring box 6, thereby ensuring the use efficiency of the device.

[0026] The liquid outlet end of the reaction condensing tank 7 is provided with a second liquid outlet pipe 14, the liquid outlet end of the second liquid outlet pipe 14 is provided with a gas-liquid separation tank 15, the gas outlet end of the gas-liquid separation tank 15 is connected with the hydrogen tank 2 through a gas return pipe 21, a one-way valve 2101 is arranged on the gas return pipe 21, a fixed block 1501 is arranged in the gas-liquid separation tank 15, when the p-tert-butylcyclohexanol solution, hydrogen, solvent and by-products in the reaction condensing tank 7 enter the gas-liquid separation tank 15, the falling time of the mixed solution can be prolonged under the action of the fixed block 1501, because the hydrogen rises, so the hydrogen can flow back to the hydrogen tank 2 through the gas return pipe 21, thereby promoting the reuse of hydrogen, a second electric valve 1401 is arranged on the second liquid outlet pipe 14, under the action of the second electric valve 1401, the hydrogenation reaction in the reaction condensing tank 7 can be smoothly carried out, and the backflow of hydrogen in the gas-liquid separation tank 15 can be avoided, thereby ensuring the use efficiency of the device.

[0027] The liquid outlet end of the gas-liquid separation tank 15 is provided with a second booster pump 16 through a conduit, a normal-pressure separation tank 17 is arranged on the right outer wall of the stirring box 6 through a support plate, the liquid outlet end of the second booster pump 16 is connected with the normal-pressure separation tank 17 through a conduit, under the action of the normal-pressure separation tank 17, the solvent contained in the synthesized p-tert-butylcyclohexanol solution can be separated, a solvent storage tank 1701 is arranged on the right side of the normal-pressure separation tank 17 through a conduit, after the normal-pressure separation tank 17 completes the separation of the solvent, the solvent can enter the solvent storage tank 1701 through the conduit, thereby realizing the recovery and collection of the solvent, and helping to improve the recycling efficiency of the solvent.

[0028] The liquid outlet end of the normal-pressure separation tank 17 is provided with a decompression separation tank 18 through a conduit, a by-product storage tank 1801 is arranged on the right side of the decompression separation tank 18 through a conduit, after the p-tert-butylcyclohexanol solution after solvent separation enters the decompression separation tank 18, the by-products contained therein can be separated and recovered by the by-product storage tank 1801, thereby ensuring the quality of the synthesized p-tert-butylcyclohexanol to a certain extent, and reducing the content of impurities.

[0029] The liquid outlet end of the decompression separation tank 18 is provided with a flaking machine 19 through a conduit, a supporting plate 20 is arranged below the flaking machine 19 on the top of the bottom plate 1, after the high-purity p-tert-butylcyclohexanol solution enters the flaking machine 19, the p-tert-butylcyclohexanol solution is made into p-tert-butylcyclohexanol tablets under the action of the flaking machine 19, thereby facilitating collection and preservation, and the p-tert-butylcyclohexanol tablets fall on the supporting plate 20, thereby facilitating collection and taking.

[0030] The controller 22 is connected with the motor 10, the first electric valve 1301, the second electric valve 1401, the first booster pump 4 and the second booster pump 16 through wires, and the electronic elements inside the device are controlled to work through the controller 22, so that the device can continuously prepare p-tert-butylcyclohexanol.

[0031] It is apparent to a person skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, but can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and it is intended that all changes and modifications which come within the meaning and range of equivalency of the claims are resolutely intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0032] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every exemplary embodiment includes only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A device for the synthesis of p-tert-butylcyclohexanol comprising a base plate (1), characterized in that, The utility model provides a hydrogen gas tank (2) is provided with first pressure pump (4) on the top, and hydrogen gas tank (2) is connected with reaction condensing tank (7) through the pipeline, first pressure pump (4) and gas outlet pipe (5), and reaction condensing tank (7) is provided with stirring box (6) through mounting plate on the top, and stirring box (6) is connected with reaction condensing tank (7) through first liquid outlet pipe (13), and first electric valve (1301) is set up on first liquid outlet pipe (13), and raw material pipe (9), liquid injection port (11) and motor (10) are set up through box cover (8) on stirring box (6), and stirring blade (12) is set up through rotating shaft on the power output shaft of motor (10), and the liquid outlet end of reaction condensing tank (7) is provided with gas-liquid separation tank (15) through second liquid outlet pipe (14), and second electric valve (1401) is set up on second liquid outlet pipe (14), and gas-liquid separation tank (15) is connected with hydrogen gas tank (2) through gas return pipe (21), and one-way valve (2101) is set up on gas return pipe (21);Fixed block (1501) is set up inside gas-liquid separation tank (15). Normal pressure separation tank (17) is set up through support plate on the right outer wall of stirring box (6), and gas-liquid separation tank (15) is connected with normal pressure separation tank (17) through the pipeline and second pressure pump (16), and the liquid outlet end of normal pressure separation tank (17) is provided with pressure reduction separation tank (18), and the liquid outlet end of pressure reduction separation tank (18) is provided with flake machine (19), and the bottom plate (1) is provided with supporting plate (20) below flake machine (19) on the top, and the bottom plate (1) is provided with controller (22) between hydrogen gas tank (2) and support on the top, and controller (22) is connected with motor (10), first electric valve (1301), second electric valve (1401), first pressure pump (4) and second pressure pump (16) through wire.

2. The apparatus for synthesizing p-tert-butylcyclohexanol according to claim 1, wherein The gas inlet end of hydrogen gas tank (2) is provided with hydrogen gas pipe (3), and first valve (301) is set up on hydrogen gas pipe (3).

3. The apparatus for synthesizing p-tert-butylcyclohexanol according to claim 2, wherein Pressure gauge (302) is further set up on hydrogen gas pipe (3).

4. The apparatus for synthesizing p-tert-butylcyclohexanol according to claim 1, wherein Box cover (8) is set up on stirring box (6) through bolt (801).

5. The apparatus for synthesizing p-tert-butylcyclohexanol according to claim 1, wherein Second valve (901) is set up on raw material pipe (9).

6. The p-tert-butylcyclohexanol synthesis apparatus of claim 1, wherein, Solvent storage tank (1701) is set up through the pipeline on the right side of normal pressure separation tank (17).

7. The p-tert-butylcyclohexanol synthesis apparatus of claim 1, wherein Byproduct storage tank (1801) is set up through the pipeline on pressure reduction separation tank (18).

Citation Information

Patent Citations

  • Continuous production process for synthesizing hexahydrophthalic anhydride in mixed solvent

    CN109280040A

  • Device for continuously producing o-amino p-tert-butylphenol

    CN216756378U