CN214514588U - 2,4-Di-tert-butylphenol production system - Google Patents
2,4-Di-tert-butylphenol production system Download PDFInfo
- Publication number
- CN214514588U CN214514588U CN202120661495.8U CN202120661495U CN214514588U CN 214514588 U CN214514588 U CN 214514588U CN 202120661495 U CN202120661495 U CN 202120661495U CN 214514588 U CN214514588 U CN 214514588U
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- Prior art keywords
- tank
- butylphenol
- tert
- reactor
- production system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 23
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims abstract description 21
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000000376 reactant Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
本实用新型属于2,4‑二叔丁基苯酚生产技术领域，具体涉及一种2,4‑二叔丁基苯酚生产系统，包括异丁烯高位罐、苯酚管线、催化剂管线和反应釜，苯酚管线和催化剂管线均与计量罐入口连接，反应釜顶部设有电机，电机和反应釜内的搅拌轴连接，搅拌轴从上至下依次设有多层搅拌桨，在反应釜釜体外设有夹套，反应釜釜体外壁和夹套形成蒸汽腔，蒸汽腔内均匀设置有多个导流圈，反应釜上部设有进料口和排气口，下部设有出料口，异丁烯高位罐和计量罐均与进料口连接，排气口与放空罐连接，出料口与接收罐连接，接收罐与过滤器连接，过滤器与精馏装置连接。本实用新型可使得反应物充分混合反应，通且温度更易控制，从而提高生产效率，增加企业效益。
The utility model belongs to the technical field of 2,4-di-tert-butylphenol production, in particular to a 2,4-di-tert-butylphenol production system, comprising an isobutene high-level tank, a phenol pipeline, a catalyst pipeline and a reactor, a phenol pipeline and a The catalyst pipelines are all connected to the inlet of the metering tank, the top of the reactor is provided with a motor, the motor is connected with the stirring shaft in the reactor, the stirring shaft is sequentially provided with multi-layer stirring paddles from top to bottom, and a jacket is provided outside the reactor. The outer wall of the reaction kettle and the jacket form a steam chamber. A plurality of guide circles are evenly arranged in the steam chamber. The upper part of the reaction kettle is provided with a feeding port and an exhaust port, and the lower part is provided with a discharging port, an isobutylene high-level tank and a metering tank. All are connected with the feed port, the exhaust port is connected with the venting tank, the discharge port is connected with the receiving tank, the receiving tank is connected with the filter, and the filter is connected with the rectifying device. The utility model can make the reactants fully mix and react, and the temperature is easier to control, thereby improving the production efficiency and increasing the enterprise benefit.
Description
Technical Field
The utility model belongs to the technical field of 2, 4-di tert-butylphenol production, concretely relates to 2, 4-di tert-butylphenol production system.
Background
2, 4-di-tert-butylphenol (2,4-DTBP) is an important fine chemical product and intermediate. 2,4-DTBP is mainly used for producing 168, 300 and 3114 antioxidants, and is also used for producing polymerization inhibitors, activators 460, initiators (TIPs), light stabilizers, ultraviolet absorbers (UV 326, UV 327 and UV 320), pesticide emulsifiers and the like. The 2,4-DTBP can also be directly added into fuel oil as an antioxidant.
At present, in the production of 2, 4-di-tert-butylphenol, a production process taking phenol, isobutene and the like as raw materials is mainly adopted. Phenol and isobutene are used as raw materials to prepare 2, 4-di-tert-butylphenol through catalytic reaction, however, reaction efficiency of reaction kettles in most of existing production devices is low, and production cost of enterprises is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the 2, 4-di-tert-butylphenol production system is provided, the production efficiency is improved, energy is saved, consumption is reduced, and the enterprise benefit is improved.
The utility model discloses an adopt following technical scheme to realize:
2, 4-di-tert-butylphenol production system, including isobutene overhead tank, phenol pipeline, catalyst pipeline and reation kettle, phenol pipeline and catalyst pipeline all with metering tank access connection, the reation kettle top is equipped with the motor, and the motor is connected through the agitator shaft in speed reducer and transmission and the reation kettle, the (mixing) shaft is from last to being equipped with multilayer stirring rake down in proper order the external cover that is equipped with of reation kettle, the external wall of reation kettle and cover formation steam chamber, evenly be provided with a plurality of water conservancy diversion circles in the steam chamber, reation kettle upper portion is equipped with feed inlet and gas vent, and the lower part is equipped with the discharge gate, isobutene overhead tank and metering tank all with the feed inlet is connected, the gas vent is connected with the blow-down jar, the discharge gate is connected with the receiving tank, and the receiving tank is connected with the filter, and the filter is connected with the rectifier unit.
Preferably, the stirring shaft is provided with a six-blade turbine stirring paddle and an anchor frame type stirring paddle from top to bottom in sequence.
Preferably, the steam cavity is provided with a steam inlet and a steam outlet.
Preferably, a plurality of baffles are uniformly arranged on the inner wall of the reaction kettle.
Preferably, a pressure gauge and a thermometer are arranged on the reaction kettle.
Preferably, the vent is connected to the receiving tank.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a set up many stirring rakes and cooperate the baffle simultaneously, the stirring effect is better, can be so that reactant intensive mixing reaction, through set up the water conservancy diversion circle in pressing from both sides cover steam chamber, can be so that steam heat transfer is more even, and the control is changeed to the temperature to improve production efficiency, increase the performance of enterprises.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. an isobutene head tank; 2. a phenol line; 3. a catalyst line; 4. a metering tank; 5. a reaction kettle; 6. a flow guide ring; 7. a steam chamber; 8. a steam outlet; 9. a feed inlet; 10. an exhaust port; 11. a motor; 12. a thermometer; 13. a pressure gauge; 14. a stirring shaft; 15. six-blade turbine stirring paddle; 16. anchor frame type stirring paddle; 17. a baffle plate; 18. a steam inlet; 19. a discharge port; 20. emptying the tank; 21. a receiving tank; 22. a filter; 23. a rectification device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the 2, 4-di-tert-butylphenol production system comprises an isobutylene overhead tank 1, a phenol pipeline 2, a catalyst pipeline 3 and a reaction kettle 5, wherein the phenol pipeline 2 and the catalyst pipeline 3 are connected with an inlet of a metering tank 4, a motor 11 is arranged at the top of the reaction kettle 5, the motor 11 is connected with a stirring shaft 14 in the reaction kettle 5 through a speed reducer and a transmission device, the stirring shaft 14 is sequentially provided with a six-blade turbine stirring paddle 15 and an anchor frame stirring paddle 16 from top to bottom, a jacket is arranged outside the kettle body of the reaction kettle 5, a steam cavity 7 is formed by the outer wall of the kettle body of the reaction kettle 5 and the jacket, the steam cavity 7 is provided with a steam inlet 18 and a steam outlet 8, a plurality of diversion rings 6 are uniformly arranged in the steam cavity 7, a feed inlet 9 and an exhaust outlet 10 are arranged at the upper part of the reaction kettle 5, a discharge outlet 19 is arranged at the lower part of the reaction kettle 5, and the isobutylene overhead tank 1 and the metering tank 4 are both connected with the feed inlet 9, the exhaust port 10 is connected with a blow-down tank 20, the discharge port 19 is connected with a receiving tank 21, the receiving tank 21 is connected with a filter 22, and the filter 22 is connected with a rectifying device 23.
A plurality of baffles 17 are uniformly arranged on the inner wall of the reaction kettle 5.
The reaction kettle 5 is provided with a pressure gauge 13 and a thermometer 12.
The exhaust port 10 is also connected to a receiving tank 21.
During operation, phenol enters a metering tank 4 through a phenol pipeline 2, catalyst enters the metering tank 4 through a catalyst pipeline 3, the phenol and the catalyst are mixed in the metering tank 4 and then are added into a reaction kettle 5 together with isobutene in an isobutene high-level tank 1, then a motor 11 is started to stir, steam is introduced into a steam cavity 7 to control the temperature in the reaction kettle 5 so that materials react, after the materials react in the reaction kettle 5, the reacted materials enter a receiving tank 21, then are filtered through a filter 22 and enter a rectifying device 23 to be rectified, and then 2, 4-di-tert-butylphenol products are obtained.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661495.8U CN214514588U (en) | 2021-03-31 | 2021-03-31 | 2,4-Di-tert-butylphenol production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661495.8U CN214514588U (en) | 2021-03-31 | 2021-03-31 | 2,4-Di-tert-butylphenol production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214514588U true CN214514588U (en) | 2021-10-29 |
Family
ID=78265727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661495.8U Expired - Fee Related CN214514588U (en) | 2021-03-31 | 2021-03-31 | 2,4-Di-tert-butylphenol production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214514588U (en) |
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2021
- 2021-03-31 CN CN202120661495.8U patent/CN214514588U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |