CN104707548A - Macromolecule polymerization reaction device - Google Patents
Macromolecule polymerization reaction device Download PDFInfo
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- CN104707548A CN104707548A CN201510084833.5A CN201510084833A CN104707548A CN 104707548 A CN104707548 A CN 104707548A CN 201510084833 A CN201510084833 A CN 201510084833A CN 104707548 A CN104707548 A CN 104707548A
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- tubular reactor
- static mixer
- polymerization reaction
- reactor
- reaction device
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a macromolecule polymerization reaction device. The device comprises tubular reactors and three static mixers, which are arranged in a protective casing, wherein the tubular reactors comprise a primary tubular reactor, a secondary tubular reactor and a tertiary tubular reactor; the three static mixers are used for containing a bisphenol A sodium salt solution, a chain terminator PTBP and caustic soda respectively. According to the device, the tubular reactors with different lengths are designed according to material reaction characteristics, so that the retention time of materials in the reactors is controlled; heating equipment and stirring equipment are not required for reaction, so that energy consumption is reduced.
Description
Technical field
The present invention relates to engineering plastics macromolecular polymerization reaction equipment, specifically a kind of macromolecular polymerization reaction device.
Background technology
Polymerization equipment is the nucleus equipment of Polymer production, many employing tank reactors and tubular reactor under regular situation.Tank reactor is generally made up of mixing plant, heat-transfer equipment, water-tight equipment and drive apparatus, and control point is more, is difficult to control stable operating parameter, and there is material risk of leakage; And conventional tube reactor, inside arranges multiple liquid barrier and forms stable flow velocity, and outer setting sleeve pipe heats, and reduces the radial temperature of tubular reactor, the uniformity of guarantee reaction condition.React the feature of raw material and course of reaction according to Merlon, invented a kind of macromolecular polymerization reaction equipment, decreased quantity and the control point of reactor apparatus, ensure that the uniformity of reaction condition, thus achieve continuous and stable production.
Summary of the invention
Object of the present invention is exactly to solve the problem, and provides a kind of macromolecular polymerization reaction device.
To achieve these goals, the present invention adopts following technical scheme:
A kind of macromolecular polymerization reaction device, comprise the tubular reactor be placed in containment vessel, static mixer, described tubular reactor comprises one-level tubular reactor, secondary tubular reactor and triode formula reactor, described static mixer has three, places bisphenol A disodium salt solution, chain terminating agent PTBP, caustic soda respectively;
First static mixer is connected with one end of one-level tubular reactor, the other end of described one-level tubular reactor is connected with one end of second static mixer, the other end of described second static mixer is connected with one end of described secondary tubular reactor, the other end of described secondary tubular reactor is connected with one end of the 3rd static mixer, described 3rd static mixer is connected with one end of described triode formula reactor, and the other end of described first static mixer connects containment vessel pipeline;
Be provided with nitrogen circulating system in described containment vessel, for absorbing alkali breaking device, the phosgene online detection instrument of the gas leaked out, described nitrogen circulating system is connected with described alkali breaking device.
Further, tubular reactor is made up of the straight pipe of the length of hollow and elbow.
Further, nitrogen circulating system and phosgene checkout equipment arrange chain.
Further, tubular reactor should meet specific pressure drop and the time of staying.
Compared with prior art, the present invention has the following advantages:
(1) every grade of preposition static on-line mixing device of tubular reactor, ensure that reaction mass fully mixes in reactor, achieves homogeneous phase, homogeneous;
(2) according to material reaction feature, the tubular reactor of design different length, thus control the time of staying of material in reactor;
(3) consersion unit is without the need to firing equipment and mixing plant, reduces energy consumption;
(4) peripheral hardware containment vessel, realizes the restriction to conversion zone, and real time on-line monitoring, reduce risk of leakage.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Wherein, 1, static mixer; 2, one-level tubular reactor; 3, static mixer; 4, secondary tubular reactor; 5, static mixer; 6, triode formula reactor; 7, containment vessel; 8, the special nitrogen circulatory system; 9, phosgene online detection instrument; 10, alkali breaking device.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, a kind of macromolecular polymerization reaction device, comprise the tubular reactor, the static mixer that are placed in containment vessel 7, described tubular reactor comprises one-level tubular reactor 2, secondary tubular reactor 4 and triode formula reactor 6, described static mixer has three, places bisphenol A disodium salt solution, chain terminating agent PTBP, caustic soda respectively;
First static mixer 1 is connected with one end of one-level tubular reactor 2, the other end of described one-level tubular reactor 2 is connected with one end of second static mixer 3, the other end of described second static mixer 3 is connected with one end of described secondary tubular reactor 4, the other end of described secondary tubular reactor 4 is connected with one end of the 3rd static mixer 5, and described 3rd static mixer 5 is connected with one end of described triode formula reactor 6; The other end of described first static mixer 1 connects containment vessel pipeline;
Be provided with nitrogen circulating system 8 in containment vessel 7, for absorbing alkali breaking device 10, the phosgene online detection instrument 9 of the gas leaked out, described nitrogen circulating system 8 is connected with described alkali breaking device 10.
Tubular reactor is made up of the straight pipe of the length of hollow and elbow.
Nitrogen circulating system 8 and phosgene checkout equipment arrange 9 chain.
Tubular reactor should meet specific pressure drop and the time of staying.
The course of work of the present invention is: liquid carbon acyl chlorides and carrene enter in containment vessel pipeline along pipeline, dissolves and forms solution; Solution directly enters static mixer 1, with bisphenol A disodium salt solution after this Homogeneous phase mixing, enters in one-level tubular reactor 2, and polymerization reaction take place forms oligomer, stops certain hour, monomer total overall reaction; Oligomer is along pipeline to static on-line mixing device 3, and mix with chain terminating agent PTBP, enter in tubular reactor 4, according to the additional proportion of chain terminating agent PTBP, Molecular regulator chain length, controls its molecular weight, stops certain hour; Enter static on-line mixing device 5 afterwards, mix with caustic soda, enter in triode formula reactor 6, the reaction such as unreacted phosgene in caustic soda and solution, caustic soda addition is regulated by locking system, guarantee that pH value of solution equals 12, in tubular reactor exit, form the polycarbonate solution of specified molecular weight length.
Owing to there being hypertoxic material phosgene in reaction mass; therefore all devices is all placed in containment vessel 7; and be furnished with the special nitrogen circulatory system; when phosgene online detection instrument 9 detect in containment vessel have phosgene gas time; in nitrogen circulating system 8, nitrogen enters alkali breaking device 10, and caustic soda absorbs the phosgene leaked.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a macromolecular polymerization reaction device, it is characterized in that, comprise the tubular reactor be placed in containment vessel, static mixer, described tubular reactor comprises one-level tubular reactor, secondary tubular reactor and triode formula reactor, described static mixer has three, places bisphenol A disodium salt solution, chain terminating agent PTBP, caustic soda respectively;
First static mixer is connected with one end of one-level tubular reactor; the other end of described one-level tubular reactor is connected with one end of second static mixer; the other end of described second static mixer is connected with one end of described secondary tubular reactor; the other end of described secondary tubular reactor is connected with one end of the 3rd static mixer; described 3rd static mixer is connected with one end of described triode formula reactor, and the other end of described first static mixer connects containment vessel pipeline.
2. macromolecular polymerization reaction device as claimed in claim 1; it is characterized in that; be provided with nitrogen circulating system in described containment vessel, for absorbing alkali breaking device, the phosgene online detection instrument of the gas of leakage, described nitrogen circulating system is connected with described alkali breaking device.
3. macromolecular polymerization reaction device as claimed in claim 1, it is characterized in that, described tubular reactor is made up of the straight pipe of the length of hollow and elbow.
4. macromolecular polymerization reaction device as claimed in claim 2, it is characterized in that, described nitrogen circulating system and described phosgene online detection instrument arrange chain.
5. macromolecular polymerization reaction device as claimed in claim 1, it is characterized in that, described tubular reactor should meet specific pressure drop and the time of staying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084833.5A CN104707548A (en) | 2015-02-16 | 2015-02-16 | Macromolecule polymerization reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084833.5A CN104707548A (en) | 2015-02-16 | 2015-02-16 | Macromolecule polymerization reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104707548A true CN104707548A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510084833.5A Pending CN104707548A (en) | 2015-02-16 | 2015-02-16 | Macromolecule polymerization reaction device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006136261A1 (en) * | 2005-06-23 | 2006-12-28 | Wacker Chemie Ag | Continuous polymer-analogous reaction of reactive silane monomers with functionalised polymers |
| CN102348733A (en) * | 2009-03-11 | 2012-02-08 | 瓦克化学股份公司 | Method for the continuous production of silane terminated pre-polymers |
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2015
- 2015-02-16 CN CN201510084833.5A patent/CN104707548A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006136261A1 (en) * | 2005-06-23 | 2006-12-28 | Wacker Chemie Ag | Continuous polymer-analogous reaction of reactive silane monomers with functionalised polymers |
| CN102348733A (en) * | 2009-03-11 | 2012-02-08 | 瓦克化学股份公司 | Method for the continuous production of silane terminated pre-polymers |
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Application publication date: 20150617 |
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| RJ01 | Rejection of invention patent application after publication |