CN203342791U - Polytetrafluoroethylene polymerization reaction device - Google Patents
Polytetrafluoroethylene polymerization reaction device Download PDFInfo
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- CN203342791U CN203342791U CN 201320330366 CN201320330366U CN203342791U CN 203342791 U CN203342791 U CN 203342791U CN 201320330366 CN201320330366 CN 201320330366 CN 201320330366 U CN201320330366 U CN 201320330366U CN 203342791 U CN203342791 U CN 203342791U
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- polymerization reaction
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- polytetrafluoroethylene
- monomer
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Abstract
The utility model discloses a polytetrafluoroethylene polymerization reaction device which comprises a tetrafluoroethylene liquid storage tank, a monomer measuring tank, a vaporizer, a silica gel filter and a polymerization reaction kettle which are connected sequentially, wherein the tetrafluoroethylene liquid storage tank is connected with a tetrafluoroethylene monomer pipeline by a monomer condenser; an initiator feed pipeline, an auxiliary agent feed pipeline, a paraffin feed pipeline, a blowdown pipeline and a vacuum pipeline are arranged at the top of the polymerization reaction kettle; the vacuum pipeline is connected with a vacuum pump; the paraffin feed pipeline is connected with a paraffin tank; a tetrafluoroethylene feed pipeline, a polytetrafluoroethylene discharge pipeline and a nitrogen pipeline are arranged at the bottom of the polymerization reaction kettle; the tetrafluoroethylene feed pipeline is connected with the silica gel filter; and the polytetrafluoroethylene discharge pipeline is connected with a separating tank. The polytetrafluoroethylene polymerization reaction device is simple in structure, reasonable in design and less in equipment investment; the continuity of a polymerization reaction is high; and an effect of a polyacrylamide polymerization reaction can be improved greatly.
Description
Technical field
The utility model relates to field of fine chemical, is specially a kind of polytetrafluoroethylene (PTFE) polymerizing reactor.
Background technology
Polytetrafluoroethylene (PTFE) is a kind of special engineering plastics of excellent performance, there are lower coefficient of friction, good chemical stability, excellent dielectric properties, by good reputation, be " King ", be indispensable material in the key technology of many fields, be widely used in the fields such as petrochemical industry, electronics, electric, Aeronautics and Astronautics, semiconductor, machinery, automobile.PTFE is generated through radical polymerization by tetrafluoroethene, its polymerization comprises polymerisation in bulk, polymerisation in solution, suspension polymerisation and emulsion polymerisation (also claiming dispersin polymerization) etc., mainly in industrial production adopt suspension polymerisation and emulsion polymerisation, current polymerizing reactor complex structure, equipment investment is large and continuity that produce is poor.
The utility model content
The purpose of this utility model just is to provide a kind of simple in structure, reasonable in design, equipment investment is few and continuous production is high polytetrafluoroethylene (PTFE) polymerizing reactor.
The concrete technical scheme of the utility model is: comprise the tetrafluoroethene wet tank, monomer measuring tank, vaporizer, filtered through silica gel device and the polymerization reaction kettle that connect successively; Connect the tetrafluoroethylene monomer pipeline by the monomer condensation device on described tetrafluoroethene wet tank; Described polymerization reaction kettle top is provided with initiator feed pipeline, auxiliary agent feeding line, paraffin feeding line, blow-down pipe and vacuum pipeline, on described vacuum pipeline, connects vavuum pump, and described paraffin feeding line connects paraffin tank; The bottom of described polymerization reaction kettle is provided with tetrafluoroethene feeding line, polytetrafluoroethylene (PTFE) discharging pipeline and nitrogen pipeline; Described tetrafluoroethene feeding line connects described filtered through silica gel device, and described polytetrafluoroethylene (PTFE) discharging pipeline connects separating tank; Be provided with cooling coil in described tetrafluoroethene wet tank, monomer measuring tank, and be connected with the chilled brine pipeline respectively; Be provided with heat exchange jacket in described polymerization reaction kettle.
Such scheme further is improved to:
Described cooling coil is the coil pipe type cooling coil.
Described tetrafluoroethene wet tank, monomer measuring tank and polymerization reaction kettle are respectively 16MnDR storage tank, 16MnDR measuring tank and 16MnDR reactor.
Described monomer condensation device is the 16MnR condenser.
The utility model is simple in structure, reasonable in design, equipment investment is few and the continuity of polymerisation is high, can greatly improve the effect of polyacrylamide polymerization reaction.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Referring to Fig. 1, a kind of polytetrafluoroethylene (PTFE) polymerizing reactor, comprise the tetrafluoroethene wet tank 3, monomer measuring tank 4, vaporizer 6, filtered through silica gel device 7 and the polymerization reaction kettle 9 that connect successively; Connect tetrafluoroethylene monomer pipeline 1 by monomer condensation device 2 on tetrafluoroethene wet tank 3; Polymerization reaction kettle 9 tops are provided with initiator feed pipeline 14, auxiliary agent feeding line 15, paraffin feeding line 19, blow-down pipe 16 and vacuum pipeline 17, connect vavuum pump 18 on vacuum pipeline 17, and paraffin feeding line 19 connects paraffin tank 20; The bottom of polymerization reaction kettle 9 is provided with tetrafluoroethene feeding line 8, polytetrafluoroethylene (PTFE) discharging pipeline 11 and nitrogen pipeline 13; The filtered through silica gel device 7 that tetrafluoroethene feeding line 8 connects, polytetrafluoroethylene (PTFE) discharging pipeline 11 connects separating tank 12; Be provided with cooling coil in tetrafluoroethene wet tank 3, monomer measuring tank 4, and be connected with the chilled brine pipeline respectively, cooling coil is the coil pipe type cooling coil; Be provided with heat exchange jacket 10 in polymerization reaction kettle 9.Tetrafluoroethene wet tank 3, monomer measuring tank 4 and polymerization reaction kettle 9 are respectively 16MnDR storage tank, 16MnDR measuring tank and 16MnDR reactor.Monomer condensation device 2 is the 16MnR condenser.
The technological process of said apparatus is: tetrafluoroethylene monomer enters tetrafluoroethene wet tank 3 after passing through tetrafluoroethylene monomer pipeline 1 and 2 condensations of monomer condensation device, and tetrafluoroethene wet tank 3 inner coil pipes lead to-35 ℃ of chilled brine cold insulations; Then enter monomer measuring tank 4 by potential difference.Monomer measuring tank 4 is by delivery pump 5 dischargings, and tetrafluoroethylene monomer is after vaporizer 6 gasifications, and the gas phase monomer enters polymerization reaction kettle 9 after filtered through silica gel device 7 is removed terpenes.In polymerization reaction kettle 9, add quantitative pure water by the formula regulation by the pure water groove, add quantitative auxiliary agent by auxiliary agent feeding line 15, add quantitative paraffin by paraffin tank 20 by paraffin feeding line 19, remove air in still by vacuum pipeline 17 and vavuum pump 18, the middle nitrogen replacement entered with nitrogen pipeline 13 once, continues to find time.Then opening still jacket steam valve and heat up, start stirring, is 2.0MPa to continuing to pass into tetrafluoroethylene monomer to still internal pressure in still, adds the initiator solution of ormal weight by initiator feed pipeline 14, and polymerisation starts.The heat of polymerization of emitting in course of reaction passes into the chilled brine of-5 ℃ by the polymerization reaction kettle chuck and shifts out.
The tetrafluoroethylene monomer reaction for the treatment of ormal weight is complete, stops stirring.In still, remaining tetrafluoroethylene monomer reclaims and sends into the tetrafluoroethene device.Then remaining gas in still is discharged through vacuum system, opening atmospheric valve makes still to normal pressure, at the bottom of opening still, the bleeder valve discharging is to separating tank 12 separating paraffins, and the material of isolating after paraffin flows into respectively dispersion liquid dosage bunker or thickener through filter by gravity, enters next procedure.。
For those skilled in the art, under the prerequisite that does not break away from the utility model principle, likely to concrete size, or partial structurtes make some improvements and modifications, and these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a polytetrafluoroethylene (PTFE) polymerizing reactor, is characterized in that: comprise the tetrafluoroethene wet tank, monomer measuring tank, vaporizer, filtered through silica gel device and the polymerization reaction kettle that connect successively; Connect the tetrafluoroethylene monomer pipeline by the monomer condensation device on described tetrafluoroethene wet tank; Described polymerization reaction kettle top is provided with initiator feed pipeline, auxiliary agent feeding line, paraffin feeding line, blow-down pipe and vacuum pipeline, on described vacuum pipeline, connects vavuum pump, and described paraffin feeding line connects paraffin tank; The bottom of described polymerization reaction kettle is provided with tetrafluoroethene feeding line, polytetrafluoroethylene (PTFE) discharging pipeline and nitrogen pipeline; Described tetrafluoroethene feeding line connects described filtered through silica gel device, and described polytetrafluoroethylene (PTFE) discharging pipeline connects separating tank; Be provided with cooling coil in described tetrafluoroethene wet tank, monomer measuring tank, and be connected with the chilled brine pipeline respectively; Be provided with heat exchange jacket in described polymerization reaction kettle.
2. polytetrafluoroethylene (PTFE) polymerizing reactor according to claim 1, it is characterized in that: described cooling coil is the coil pipe type cooling coil.
3. polytetrafluoroethylene (PTFE) polymerizing reactor according to claim 1 and 2, it is characterized in that: described tetrafluoroethene wet tank, monomer measuring tank and polymerization reaction kettle are respectively 16MnDR storage tank, 16MnDR measuring tank and 16MnDR reactor.
4. polytetrafluoroethylene (PTFE) polymerizing reactor according to claim 1 and 2, it is characterized in that: described monomer condensation device is the 16MnR condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320330366 CN203342791U (en) | 2013-06-08 | 2013-06-08 | Polytetrafluoroethylene polymerization reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320330366 CN203342791U (en) | 2013-06-08 | 2013-06-08 | Polytetrafluoroethylene polymerization reaction device |
Publications (1)
| Publication Number | Publication Date |
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| CN203342791U true CN203342791U (en) | 2013-12-18 |
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| CN 201320330366 Expired - Fee Related CN203342791U (en) | 2013-06-08 | 2013-06-08 | Polytetrafluoroethylene polymerization reaction device |
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| CN (1) | CN203342791U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162397A (en) * | 2014-08-05 | 2014-11-26 | 新乡市富邦科技有限公司 | Emulsion polymerization efficient-coating inhibitor reaction device for drilling fluid |
| CN106397644A (en) * | 2016-04-28 | 2017-02-15 | 福建三农化学农药有限责任公司 | Device and method for preparing polytetrafluoroethylene |
| CN107056973A (en) * | 2016-12-19 | 2017-08-18 | 福建三农化学农药有限责任公司 | The paradigmatic system and polymerization of a kind of functional fluoropolymer film polyflon |
| CN109675499A (en) * | 2019-01-18 | 2019-04-26 | 福建三农新材料有限责任公司 | A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device |
| CN110005940A (en) * | 2018-01-04 | 2019-07-12 | 中昊晨光化工研究院有限公司 | A kind of tetrafluoroethylene monomer measuring tank and stocking system with air temperature type vaporizer |
| CN112062891A (en) * | 2020-08-27 | 2020-12-11 | 浙江巨圣氟化学有限公司 | Preparation process of PTFE resin with high compression ratio |
| CN112386953A (en) * | 2020-11-30 | 2021-02-23 | 德清县宝华氟塑料工贸有限公司 | Paraffin separation and suction device for polytetrafluoroethylene production |
| CN112892286A (en) * | 2020-11-30 | 2021-06-04 | 德清县宝华氟塑料工贸有限公司 | Shock attenuation agitating unit is used in polytetrafluoroethylene production |
-
2013
- 2013-06-08 CN CN 201320330366 patent/CN203342791U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162397A (en) * | 2014-08-05 | 2014-11-26 | 新乡市富邦科技有限公司 | Emulsion polymerization efficient-coating inhibitor reaction device for drilling fluid |
| CN106397644A (en) * | 2016-04-28 | 2017-02-15 | 福建三农化学农药有限责任公司 | Device and method for preparing polytetrafluoroethylene |
| CN107056973A (en) * | 2016-12-19 | 2017-08-18 | 福建三农化学农药有限责任公司 | The paradigmatic system and polymerization of a kind of functional fluoropolymer film polyflon |
| CN110005940A (en) * | 2018-01-04 | 2019-07-12 | 中昊晨光化工研究院有限公司 | A kind of tetrafluoroethylene monomer measuring tank and stocking system with air temperature type vaporizer |
| CN109675499A (en) * | 2019-01-18 | 2019-04-26 | 福建三农新材料有限责任公司 | A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device |
| CN112062891A (en) * | 2020-08-27 | 2020-12-11 | 浙江巨圣氟化学有限公司 | Preparation process of PTFE resin with high compression ratio |
| CN112062891B (en) * | 2020-08-27 | 2022-08-19 | 浙江巨圣氟化学有限公司 | Preparation method of PTFE resin with high compression ratio |
| CN112386953A (en) * | 2020-11-30 | 2021-02-23 | 德清县宝华氟塑料工贸有限公司 | Paraffin separation and suction device for polytetrafluoroethylene production |
| CN112892286A (en) * | 2020-11-30 | 2021-06-04 | 德清县宝华氟塑料工贸有限公司 | Shock attenuation agitating unit is used in polytetrafluoroethylene production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20190608 |