CN205328899U - Triphenyl phosphite and recovery unit of phenol in derivant production thereof - Google Patents
Triphenyl phosphite and recovery unit of phenol in derivant production thereof Download PDFInfo
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- CN205328899U CN205328899U CN201521101582.9U CN201521101582U CN205328899U CN 205328899 U CN205328899 U CN 205328899U CN 201521101582 U CN201521101582 U CN 201521101582U CN 205328899 U CN205328899 U CN 205328899U
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- tower
- tower body
- absorption
- phenol
- rectifying column
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Abstract
The utility model relates to a triphenyl phosphite and recovery unit of phenol in derivant production thereof, including rectification knockout tower and absorption tower, rectifying column tower body bottom is equipped with the reboiler, be equipped with the heating pipe on the rectifying column tower body side wall, phenol and isooctanol mixture dog -house and tower bottoms export, be equipped with a plurality of column plates in the rectifying column tower body, be equipped with a plurality of coolers on the tower body side wall of absorption tower, the absorption liquid entry, absorption liquid export and noncondensable gas entry, heating pipe and cooler all are equipped with thermal -insulated shell outward, be equipped with drawing liquid pump and shower on the absorption liquid entry, be equipped with a plurality of atomizers on the shower, absorption tower tower body inside is equipped with a plurality of baffles, the utility model discloses to absorb the processing including phenol tail gas, reduce the TVOC content in the effluent gas by a wide margin, the maintenance rate of greatly reduced vacuum pump.
Description
Technical field
This utility model relates to a kind of retracting device, specifically a kind of triphenyl phosphite and derivant thereof produce in the retracting device of phenol。
Background technology
On triphenyl phosphite and derivant process units thereof, there is the problem that in vacuum pump discharge fixed gas, phenol entrainment is big, reason comes from distillation unit and adopts reduced pressure distillation process, and the freezing point of phenol is higher, it is necessary to adopt the thermostatted water of about 40 DEG C to implement overhead vapours condensation, so make the content of phenol in tail gas higher, easily cause TVOC in discharge gas on the one hand to exceed standard, easy green coke on vacuum pump air valve, causes vacuum pump air valve to reveal on the other hand, and maintenance rate rises。
Utility model content
The purpose of this utility model is the defect for prior art, the retracting device of phenol in providing a kind of triphenyl phosphite and derivant thereof to produce, absorption process will be carried out containing phenol tail gas, and TVOC content in discharge gas will be greatly lowered, is substantially reduced the maintenance rate of vacuum pump。
This utility model is achieved by the following technical solutions:
The retracting device of phenol in a kind of triphenyl phosphite and derivant production thereof, including rectification knockout tower and absorption tower, described rectification knockout tower includes rectifying column tower body, it is provided with reboiler bottom described rectifying column tower body, described rectifying tower body sidewall is provided with and adds heat pipe, phenol and isooctanol mixture dog-house and tower bottoms export, described phenol and isooctanol mixture dog-house are positioned at rectifying column tower body top, the outlet of described tower bottoms is positioned at bottom rectifying column tower body, described rectifying column tower body top is provided with steam (vapor) outlet, it is provided with some column plates in described rectifying tower body, described some column plate uniform intervals are arranged；
Described absorption tower includes absorption tower tower body, described absorbing tower body sidewall is provided with some coolers, absorb liquid entrance, absorb liquid outlet and fixed gas entrance, described some coolers are arranged around absorption tower tower body for one week, described adding, is equipped with heat-insulating housing outside heat pipe and cooler, described heat-insulating housing and add and be provided with thermal insulation layer between heat pipe and cooler, it is provided with thermal insulating filling in described thermal insulation layer, described absorption liquid entrance is positioned at tower body top, absorption tower, described absorption liquid entrance is provided with drawing liquid pump and shower, it is provided with tube for transfusion between described drawing liquid pump and absorption liquid entrance, it is provided with liquid suction pipe between described drawing liquid pump and tower bottoms outlet, described shower is placed in portion in absorbing tower body, described shower is provided with some nebulizers, described some nebulizer uniform intervals are arranged, described absorption liquid exports and is positioned at bottom the tower body of absorption tower, in described absorbing tower body, portion is provided with some dividing plates, described some dividing plates uniform intervals between nebulizer and fixed gas entrance is arranged, tower body top, described absorption tower is provided with fixed gas outlet。
In above-mentioned a kind of triphenyl phosphite and derivant production thereof, the retracting device of phenol, wherein, described rectifying column tower body and absorption tower tower body is equipped with thermodetector。
The beneficial effects of the utility model are:
The tail gas outlet that fixed gas entrance of the present utility model produces reactor with triphenyl phosphite and derivant thereof is connected, fixed gas outlet is connected with absorbing vacuum pump, phenol and isooctanol mixture are put into rectification knockout tower, phenol mass fraction is about 30%, isooctanol mass fraction is about 70%, tower bottoms after rectification knockout tower rectification separates absorbs liquid entrance by drawing liquid pump suction, sprayed by nebulizer again, tail gas outlet passes into containing phenol tail gas, cold cycle absorption is carried out at 5--25 DEG C, reduce the saturated vapor pressure of phenol as far as possible, to reduce the TVOC content in discharge gas as far as possible。
This utility model adopts this tower absorbing form in absorption tower, and gas-liquid mass transfer is effective, absorbs fully, will carry out absorption process containing phenol tail gas, TVOC content in discharge gas is greatly lowered, is substantially reduced the maintenance rate of vacuum pump。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model。
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further。
The retracting device of phenol in a kind of triphenyl phosphite and derivant production thereof, including rectification knockout tower 1 and absorption tower 2, described rectification knockout tower 1 includes rectifying column tower body 3, it is provided with reboiler 4 bottom described rectifying column tower body 3, described rectifying column tower body 3 sidewall is provided with and adds heat pipe 5, phenol and isooctanol mixture dog-house 6 and tower bottoms export 7, described phenol and isooctanol mixture dog-house 6 are positioned at rectifying column tower body 3 top, described tower bottoms outlet 7 is positioned at bottom rectifying column tower body 3, described rectifying column tower body 3 top is provided with steam (vapor) outlet 8, some column plates 25 it are provided with in described rectifying column tower body 3, described some column plates 25 uniform intervals is arranged；
Described absorption tower 2 includes absorption tower tower body 9, described absorption tower tower body 9 sidewall is provided with some coolers 10, absorb liquid entrance 11, absorb liquid outlet 12 and fixed gas entrance 13, described some coolers 10 are arranged around absorption tower tower body for 9 one weeks, described adding, is equipped with heat-insulating housing 24 outside heat pipe 5 and cooler 10, described heat-insulating housing 24 and add and be provided with thermal insulation layer 14 between heat pipe 5 and cooler 10, it is provided with thermal insulating filling 15 in described thermal insulation layer 14, described absorption liquid entrance 11 is positioned at absorption tower tower body 9 top, described absorption liquid entrance 11 is provided with drawing liquid pump 16 and shower 17, it is provided with tube for transfusion 18 between described drawing liquid pump 16 and absorption liquid entrance 11, it is provided with liquid suction pipe 19 between described drawing liquid pump 16 and tower bottoms outlet 7, it is internal that described shower 17 is placed in absorption tower tower body 9, described shower 17 is provided with some nebulizers 20, described some nebulizers 20 uniform intervals is arranged, described absorption liquid exports 12 and is positioned at bottom absorption tower tower body 9, described absorption tower tower body 9 is internal is provided with some dividing plates 21, described some dividing plates 21 uniform intervals between nebulizer 20 and fixed gas entrance 13 is arranged, tower body 9 top, described absorption tower is provided with fixed gas outlet 22, described rectifying column tower body 3 and absorption tower tower body 9 are equipped with thermodetector 23。
Working method of the present utility model is:
The tail gas outlet that fixed gas entrance of the present utility model produces reactor with triphenyl phosphite and derivant thereof is connected, fixed gas outlet is connected with absorbing vacuum pump, phenol and isooctanol mixture are put into rectification knockout tower, phenol mass fraction is about 30%, isooctanol mass fraction is about 70%, tower bottoms after rectification knockout tower rectification separates absorbs liquid entrance by drawing liquid pump suction, sprayed by nebulizer again, tail gas outlet passes into containing phenol tail gas, cold cycle absorption is carried out at 5--25 DEG C, reduce the saturated vapor pressure of phenol as far as possible, to reduce the TVOC content in discharge gas as far as possible。
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed in protection domain of the present utility model。Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims。
Claims (2)
1. a triphenyl phosphite and derivant thereof produce in the retracting device of phenol, including rectification knockout tower and absorption tower, it is characterized by, described rectification knockout tower includes rectifying column tower body, it is provided with reboiler bottom described rectifying column tower body, described rectifying tower body sidewall is provided with and adds heat pipe, phenol and isooctanol mixture dog-house and tower bottoms export, described phenol and isooctanol mixture dog-house are positioned at rectifying column tower body top, the outlet of described tower bottoms is positioned at bottom rectifying column tower body, described rectifying column tower body top is provided with steam (vapor) outlet, it is provided with some column plates in described rectifying tower body, described some column plate uniform intervals are arranged；
Described absorption tower includes absorption tower tower body, described absorbing tower body sidewall is provided with some coolers, absorb liquid entrance, absorb liquid outlet and fixed gas entrance, described some coolers are arranged around absorption tower tower body for one week, described adding, is equipped with heat-insulating housing outside heat pipe and cooler, described heat-insulating housing and add and be provided with thermal insulation layer between heat pipe and cooler, it is provided with thermal insulating filling in described thermal insulation layer, described absorption liquid entrance is positioned at tower body top, absorption tower, described absorption liquid entrance is provided with drawing liquid pump and shower, it is provided with tube for transfusion between described drawing liquid pump and absorption liquid entrance, it is provided with liquid suction pipe between described drawing liquid pump and tower bottoms outlet, described shower is placed in portion in absorbing tower body, described shower is provided with some nebulizers, described some nebulizer uniform intervals are arranged, described absorption liquid exports and is positioned at bottom the tower body of absorption tower, in described absorbing tower body, portion is provided with some dividing plates, described some dividing plates uniform intervals between nebulizer and fixed gas entrance is arranged, tower body top, described absorption tower is provided with fixed gas outlet。
2. a kind of triphenyl phosphite as claimed in claim 1 and derivant thereof produce in the retracting device of phenol, it is characterized by, described rectifying column tower body and absorption tower tower body are equipped with thermodetector。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101582.9U CN205328899U (en) | 2015-12-28 | 2015-12-28 | Triphenyl phosphite and recovery unit of phenol in derivant production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101582.9U CN205328899U (en) | 2015-12-28 | 2015-12-28 | Triphenyl phosphite and recovery unit of phenol in derivant production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205328899U true CN205328899U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101582.9U Active CN205328899U (en) | 2015-12-28 | 2015-12-28 | Triphenyl phosphite and recovery unit of phenol in derivant production thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN205328899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870507A (en) * | 2023-07-26 | 2023-10-13 | 江苏三吉利化工股份有限公司 | High freezing point substance preparation device and method thereof |
-
2015
- 2015-12-28 CN CN201521101582.9U patent/CN205328899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870507A (en) * | 2023-07-26 | 2023-10-13 | 江苏三吉利化工股份有限公司 | High freezing point substance preparation device and method thereof |
| CN116870507B (en) * | 2023-07-26 | 2024-04-19 | 江苏三吉利化工股份有限公司 | High freezing point substance preparation device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.3, Qinglongshan Road, Dagang, Zhenjiang New District, Jiangsu Province Patentee after: Jiangsu changqingshu New Material Technology Co., Ltd Address before: No.3, Qinglongshan Road, Dagang, Zhenjiang New District, Jiangsu Province Patentee before: JIANGSU EVERGREEN NEW MATERIAL TECHNOLOGY Co.,Ltd. |