CN207270751U - Solvent recovery unit for antioxidant 565 - Google Patents
Solvent recovery unit for antioxidant 565 Download PDFInfo
- Publication number
- CN207270751U CN207270751U CN201721189681.6U CN201721189681U CN207270751U CN 207270751 U CN207270751 U CN 207270751U CN 201721189681 U CN201721189681 U CN 201721189681U CN 207270751 U CN207270751 U CN 207270751U
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- CN
- China
- Prior art keywords
- tube
- antioxidant
- collector tube
- solvent
- solvent recovery
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- Expired - Fee Related
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Abstract
It the utility model is related to antioxidant technical field,A kind of more particularly to solvent recovery unit for antioxidant 565,Include the evacuated tube of coupled reaction kettle,The upper end of the evacuated tube is stretched into collector tube,The coiled pipe for being passed through cooling medium is provided with the collector tube,The coiled pipe is socketed on the upper end of the evacuated tube,The top closure of the evacuated tube,The part that the evacuated tube is socketed on the coiled pipe is provided with several exhausting-gas holes,The lower part of the collector tube is provided with solvent refluxing pipe,The top of the collector tube is provided with tail gas connecting tube,The utility model scientific structure,The device is at the same time suitable for the two-step reaction process of generation antioxidant 565,That is 4 amino 2 of intermediate product,6 DI-tert-butylphenol compounds carry out substitution reaction with Cyanuric Chloride,And reaction product carries out substitution reaction with n-octyl mercaptan again and obtains antioxidant 565,The device will can reuse after solvent recovery,Solvent need not be added in reaction process again,Material system ratio is kept to stablize.
Description
Technical field
Antioxidant technical field is the utility model is related to, is filled more particularly to a kind of solvent recovery for antioxidant 565
Put.
Background technology
Antioxidant is also referred to as antioxidant, in the presence of only a small amount of antioxidant in polymeric system, so that it may delay or suppress
The progress of polymer oxidizing process, so as to prevent the aging of polymer and extend its service life.Antioxidant is a kind of chemicals
Matter, species is more, and common antioxidant includes antioxidant 1010, antioxidant 1076, antioxidant CA, antioxidant 164, antioxidant
DNP, anti-oxidant DLTP, antioxidant TNP, antioxidant TPP, antioxidant MB, antioxidant 264 etc..
565 chemical name of antioxidant is 6-（4- hydroxyl -3,5- di-t-butyl phenylaminos）Just pungent sulfenyl -1 of -2,4- two,
3,5- triazines, are a kind of multi-functional thio Hinered phenols antioxidants of high molecular weight, with compatibility is strong, toxicity is low, color and luster is dirty
The characteristics of small is contaminated, and itself has the double effects of main and auxiliary antioxidant concurrently, intramolecular collaboration can be produced, and can be with other antioxidant
Compounding produces blending synergistic effect, and antioxidant effect is good.Carried out when producing antioxidant 565 using Cyanuric Chloride or n-octyl mercaptan
During substitution reaction, solvent is respectively ethyl acetate or ethanol, which reuses after can recycling, existing solvent recovery dress
Put it is complicated, it is inconvenient for use.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, and a kind of solvent for antioxidant 565 is provided
Retracting device, its scientific structure, can when carrying out substitution reaction using Cyanuric Chloride or n-octyl mercaptan when producing antioxidant 565
To the ethyl acetate as solvent or ethanol recycling, to reduce solvent loss, keep material system ratio to stablize.
Technical solution is used by the utility model solves its technical problem：A kind of solvent for antioxidant 565 returns
Receiving apparatus, it includes the evacuated tube of coupled reaction kettle, and the upper end of the evacuated tube is stretched into collector tube, is set in the collector tube
There is a coiled pipe for being passed through cooling medium, the coiled pipe is socketed on the upper end of the evacuated tube, the top closure of the evacuated tube,
The part that the evacuated tube is socketed on the coiled pipe is provided with several exhausting-gas holes, and the lower part of the collector tube is provided with solvent
Return duct, the top of the collector tube are provided with tail gas connecting tube.
The diameter of the collector tube is more than three times of the emptying pipe diameter.
The coiled pipe is provided with condensing medium inlet, condensing medium outlet, and the condensing medium inlet is positioned at described cold
The top of solidifying media outlet.
The solvent refluxing pipe, tail gas connecting tube are both provided with check valve.
The part that the evacuated tube is located at outside the collector tube is provided with check valve.
The lower part of the collector tube is cone, and the top of the collector tube is cylinder.
The beneficial effects of the utility model are：A kind of solvent recovery unit for antioxidant 565, it includes coupled reaction
The evacuated tube of kettle, the upper end of the evacuated tube are stretched into collector tube, are provided with the collector tube and are passed through the snakelike of cooling medium
Pipe, the coiled pipe are socketed on the upper end of the evacuated tube, the top closure of the evacuated tube, and the evacuated tube is socketed on described
The part of coiled pipe is provided with several exhausting-gas holes, and the lower part of the collector tube is provided with solvent refluxing pipe, the collector tube
Top is provided with tail gas connecting tube, the utility model scientific structure, and two steps which is suitable for generating at the same time antioxidant 565 are anti-
Answer process, i.e. intermediate product 4- amino -2,6- DI-tert-butylphenol compounds and Cyanuric Chloride carries out substitution reaction, and reaction product again with
N-octyl mercaptan carries out substitution reaction and obtains antioxidant 565, which will can reuse after the solvent recovery that used, and react
Solvent need not be added in journey again, keeps material system ratio to stablize.
Brief description of the drawings
Fig. 1 is the structure diagram of the solvent recovery unit for antioxidant 565 of the utility model.
Description of reference numerals：
1 --- evacuated tube 11 --- exhausting-gas hole
2 --- collector tube 3 --- coiled pipes
31 --- condensing medium inlet 32 --- condensing medium outlets
4 --- solvent refluxing pipe 5 --- tail gas connecting tubes
6 --- check valve.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, is not this practicality
New practical range limited to this.
When producing antioxidant 565, reaction kettle is used for intermediate product 4- amino -2,6- bis- as reaction vessel, the device
When tert-butyl phenol reacts to obtain 6-4- hydroxyl -3,5- di-t-butyl bis- chloro-1,3,5-triazines of phenylamino -2,4- with Cyanuric Chloride
（Call reaction one in the following text）, solvent is ethyl acetate, when the device is chloro- for 6-4- hydroxyl -3,5- di-t-butyl phenylaminos -2,4- bis-
When antioxidant 565 is made with n-octyl mercaptan reaction in 1,3,5-triazines（Call reaction two in the following text）, solvent is ethanol.
As shown in Figure 1, the solvent recovery unit for antioxidant 565 of the present embodiment, it includes the row of coupled reaction kettle
Blank pipe 1, the upper end of the evacuated tube 1 are stretched into collector tube 2, and the coiled pipe for being passed through cooling medium is provided with the collector tube 2
3, the coiled pipe 3 is socketed on the upper end of the evacuated tube 1, the top closure of the evacuated tube 1, and the evacuated tube 1 is socketed on
The part of the coiled pipe 3 is provided with several exhausting-gas holes 11, and the lower part of the collector tube 2 is provided with solvent refluxing pipe 4, described
The top of collector tube 2 is provided with tail gas connecting tube 5.The utility model for reaction one, reaction two, can use, pass through by
Cool down after evaporation of the solvent through coiled pipe 3, be condensed into the bottom that liquid enters collector tube 2, then flowed back by solvent refluxing pipe 4 heavy
New to utilize, unnecessary gas is drained by tail gas connecting tube 5, reduces solvent loss, keeps material system ratio to stablize.
Further, the diameter of the collector tube 2 is more than three times of 1 diameter of evacuated tube, so that from exhaust outlet
The gas volume of 11 discharges becomes larger, and temperature is reduced, easy to condense.
Further, the coiled pipe 3 is provided with condensing medium inlet 31, condensing medium outlet 32, the cooling medium
Entrance 31 is located at the top of the condensing medium outlet 32 so that cooling medium and gas relative flow to be condensed, heat exchange effect
Fruit is good.
Further, the solvent refluxing pipe 4, tail gas connecting tube 5 are both provided with check valve 6.
Further, the part that the evacuated tube 1 is located at outside the collector tube 2 is provided with check valve 6.
The lower part of the collector tube 2 is cone, and the top of the collector tube 2 is cylinder.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
Lead to it will be appreciated by the skilled person that can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from this
The spirit and scope of utility model technical solution.
Claims (6)
1. the solvent recovery unit for antioxidant 565, it is characterised in that：Include the evacuated tube of coupled reaction kettle（1）, the row
Blank pipe（1）Upper end stretch into collector tube（2）In, the collector tube（2）Inside it is provided with the coiled pipe for being passed through cooling medium（3）, institute
State coiled pipe（3）It is socketed on the evacuated tube（1）Upper end, the evacuated tube（1）Top closure, the evacuated tube（1）Set
It is connected to the coiled pipe（3）Part be provided with several exhausting-gas holes（11）, the collector tube（2）Lower part be provided with solvent return
Flow tube（4）, the collector tube（2）Top be provided with tail gas connecting tube（5）.
2. the solvent recovery unit according to claim 1 for antioxidant 565, it is characterised in that：The collector tube（2）
Diameter be more than the evacuated tube（1）Three times of diameter.
3. the solvent recovery unit according to claim 1 for antioxidant 565, it is characterised in that：The coiled pipe（3）
It is provided with condensing medium inlet（31）, condensing medium outlet（32）, the condensing medium inlet（31）Positioned at the cooling medium
Outlet（32）Top.
4. the solvent recovery unit according to claim 1 for antioxidant 565, it is characterised in that：The solvent refluxing
Pipe（4）, tail gas connecting tube（5）It is both provided with check valve（6）.
5. the solvent recovery unit according to claim 1 for antioxidant 565, it is characterised in that：The evacuated tube（1）
Positioned at the collector tube（2）Outer part is provided with check valve（6）.
6. the solvent recovery unit according to claim 1 for antioxidant 565, it is characterised in that：The collector tube（2）
Lower part for cone, the collector tube（2）Top for cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721189681.6U CN207270751U (en) | 2017-09-15 | 2017-09-15 | Solvent recovery unit for antioxidant 565 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721189681.6U CN207270751U (en) | 2017-09-15 | 2017-09-15 | Solvent recovery unit for antioxidant 565 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207270751U true CN207270751U (en) | 2018-04-27 |
Family
ID=61981168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721189681.6U Expired - Fee Related CN207270751U (en) | 2017-09-15 | 2017-09-15 | Solvent recovery unit for antioxidant 565 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207270751U (en) |
-
2017
- 2017-09-15 CN CN201721189681.6U patent/CN207270751U/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: 20180427 Termination date: 20190915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |