CN214514588U - 2, 4-di-tert-butylphenol production system - Google Patents
2, 4-di-tert-butylphenol production system Download PDFInfo
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- 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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- butylphenol
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Abstract
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, which comprises an isobutene overhead tank, a phenol pipeline, a catalyst pipeline and a reaction kettle, wherein the phenol pipeline and the catalyst pipeline are both connected with an inlet of a metering tank, the top of the reaction kettle is provided with a motor which is connected with a stirring shaft in the reaction kettle, the stirring shaft is sequentially provided with a plurality of layers of stirring paddles from top to bottom, the outer wall of the reaction kettle body and the jacket form a steam cavity, a plurality of guide rings are uniformly arranged in the steam cavity, a feed inlet and an exhaust outlet are arranged on the upper portion of the reaction kettle, a discharge outlet is arranged on the lower portion of the reaction kettle, the isobutene high-level tank and the metering tank are connected with the feed inlet, the exhaust outlet is connected with the emptying tank, the discharge outlet is connected with a receiving tank, the receiving tank is connected with a filter, and the filter is connected with the rectifying device. The utility model discloses can make reactant intensive mixing reaction, lead to and the temperature changes the control to improve production efficiency, increase the performance of enterprises.
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)
1. A2, 4-di-tert-butylphenol production system, which is characterized in that: comprises an isobutene high-level 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 plurality of layers of stirring paddles from top to bottom, a jacket is arranged outside the kettle body of the reaction kettle (5), the outer wall of the kettle body of the reaction kettle (5) and the jacket form a steam cavity (7), a plurality of guide rings (6) are uniformly arranged in the steam cavity (7), the upper part of the reaction kettle (5) is provided with a feed inlet (9) and an exhaust port (10), the lower part of the reaction kettle (5) is provided with a discharge port (19), and the isobutene high-level tank (1) and the metering tank (4) are connected with the feed inlet (9), the exhaust port (10) is connected with the emptying tank (20), the discharge port (19) is connected with the receiving tank (21), the receiving tank (21) is connected with the filter (22), and the filter (22) is connected with the rectifying device (23).
2. The production system of 2, 4-di-tert-butylphenol according to claim 1, characterized in that: the stirring shaft (14) is sequentially provided with a six-blade turbine stirring paddle (15) and an anchor frame type stirring paddle (16) from top to bottom.
3. The production system of 2, 4-di-tert-butylphenol according to claim 1, characterized in that: the steam cavity (7) is provided with a steam inlet (18) and a steam outlet (8).
4. The production system of 2, 4-di-tert-butylphenol according to claim 1, characterized in that: a plurality of baffles (17) are uniformly arranged on the inner wall of the reaction kettle (5).
5. The production system of 2, 4-di-tert-butylphenol according to claim 1, characterized in that: the reaction kettle (5) is provided with a pressure gauge (13) and a temperature gauge (12).
6. The production system of 2, 4-di-tert-butylphenol according to claim 1, characterized in that: the exhaust port (10) is connected with the receiving tank (21).
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 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661495.8U Active 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 active Active
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