CN205241587U - Ultra high molecular volume polysiloxanes's apparatus for producing - Google Patents
Ultra high molecular volume polysiloxanes's apparatus for producing Download PDFInfo
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- CN205241587U CN205241587U CN201520828078.2U CN201520828078U CN205241587U CN 205241587 U CN205241587 U CN 205241587U CN 201520828078 U CN201520828078 U CN 201520828078U CN 205241587 U CN205241587 U CN 205241587U
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Abstract
The utility model provides an ultra high molecular volume polysiloxanes's apparatus for producing. Ultra high molecular volume polysiloxanes's apparatus for producing includes the parallel vacuum of reation kettle, static mixer, incorgruous toper double helix extruder and syntropy double helix extruder, reation kettle static mixer incorgruous toper double helix extruder reaches the parallel vacuum of syntropy double helix extruder is the series connection in proper order. The utility model discloses a neotype apparatus for synthetic ultra high molecular volume polysiloxanes molecular weight can reach 1, 00 -, 200 ten thousand, and synthetic ultra high molecular volume polysiloxanes viscosity is little, the fugitive constituent is less than 0.6%, and the ejection of compact is easy.
Description
Technical field
The utility model relates to the process units of polysiloxanes, particularly a kind of super high molecular weightThe process units of polysiloxanes.
Background technology
Catalytic equilibration technique is generally taked in the production of polysiloxanes, and device therefor is polymeric kettle. ForObtain the polysiloxanes of super high molecular weight, industrial general when extending polymerization between ﹑ devolatilizationTime etc. realize. There is lower column defects in this technique: the synthetic polysiloxanes of 1 ﹑ produces molecular weightGenerally can not exceed 1,000,000; 2 ﹑ require very high to stirring system, along with the viscosity of polymer increasesAdd, mobility variation, causes stirring insufficient, and hot-spot, crosslinked phenomenon easily occurs; 3 ﹑The fugitive constituent of product is higher, is generally greater than 1.0%; 4 ﹑ viscosity are large, are difficult to discharging.
Utility model content
For the process units fugitive constituent that solves existing super high molecular weight polysiloxanes is sloughed speedSlowly, easily there is the high and fugitive constituent of crosslinked phenomenon, energy consumption and slough the technical problem that rate is low, this practicalityNovel provide a kind of fugitive constituent slough speed fast, be difficult for occurring the low and volatilization of crosslinked phenomenon, energy consumptionPart is sloughed the process units of the super high molecular weight polysiloxanes that rate is high.
The process units of the super high molecular weight polysiloxanes that the utility model provides comprises insteadAnswer still, static mixer, incorgruous conical double ribbon to revolve extruder and cocurrent and parallel vacuum screw is extrudedMachine, described reactor, described static mixer, described incorgruous conical double ribbon revolve extruder and instituteStating cocurrent and parallel vacuum screw extruder is connected in series successively.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described static mixer comprise tank body, porous plate, charging aperture, discharging opening andSupporting construction, described charging aperture and described discharging opening are located at respectively described tank body two ends, are communicated with instituteState tank body, described porous plate is located at described tank interior, nearly described charging aperture one end, describedSupport structure is located at described tank interior, and the nearly described discharging opening of described tank body one end is fixed in one end,The other end is connected with described porous plate.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described supporting construction comprises that gripper shoe and support lean on, and described gripper shoe is fixed onThe nearly described discharging opening of described tank body one end, described support column is located at described tank body central shaft position,Two ends connect respectively described porous plate and described gripper shoe.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described static mixer also comprises conical surface body, and described conical surface body comprises hole, instituteStating conical surface body is located in described supporting construction.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described conical surface body comprises front conical surface body and reverse side conical surface body, described positive face coneFace body is located at the vertical direction of described reverse side conical surface body, and described in described front conical surface body size ratioReverse side conical surface body is little.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described front conical surface body and described reverse side conical surface body quantity are two.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described static mixer also comprises vacuum port, and described vacuum port is located at described tankBody medium position, together with described tank body.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, the hole on described porous plate is 50-80.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, described incorgruous conical double ribbon revolves extruder and described cocurrent and parallel vacuum screw squeezesGo out machine and be double-spiral structure.
The one of the process units of the super high molecular weight polysiloxanes providing at the utility modelIn good embodiment, on described cocurrent and parallel vacuum screw extruder, there are 2 vacuum ports.
The process units 1 of super high molecular weight polysiloxanes of the present utility model has useful as followsEffect:
One, adopt described reactor, described static mixer, described incorgruous conical double ribbon to revolve crowdedGo out the design that machine and described cocurrent and parallel vacuum screw extruder are connected in series successively, increase sticky bodyLength of flow, and fluid attenuation, avoid because of mobility variation cause stirring insufficient, partOverheated, easily there is the problems such as crosslinked phenomenon.
Two, adopt the vacuum design of described cocurrent and parallel vacuum screw extruder, utilize described sameTo parallel vacuum screw extruder, the attenuation of super high molecular weight polysiloxanes is diminished, be equipped with height simultaneouslyVacuum, can further slough rapidly the sub-material of low molecule, obtains the supra polymer of low-volatileAmount polysiloxanes.
Three, adopt described static mixer, fugitive constituent in super high molecular weight polysiloxanes is taken offDeenergize relatively quick, the time is short, and energy consumption is low, and super high molecular weight polysiloxanes is at 2-3 hour,Can slough fugitive constituent, fugitive constituent can reach 0.8% once, and after this device, superThe uniformity of HMW polysiloxanes improves. Described porous plate and described conical surface body adoptHole design, the colloid that super high molecular weight polysiloxanes is divided into a lot of band shapes flows down, make itsIn volatilization device, can slough more fast fugitive constituent. On described tank body, be provided with described vacuumMouthful, can make described tank body in vacuum state, be beneficial to sloughing of fugitive constituent. Described positive face coneThe setting of face body and described reverse side conical surface body, has extended super high molecular weight polysiloxanes in tank bodyThe time of staying, make the time of devolatilization more longer, make super high molecular weight gather silica simultaneouslyAlkane has the process of a mixing in this device, and super high molecular weight polysiloxanes is had betterUniformity.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below will be to realityThe accompanying drawing of executing required use in example description is briefly described, and apparently, the following describesIn accompanying drawing be only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain other according to these accompanying drawingsAccompanying drawing, wherein:
Fig. 1 be the super high molecular weight polysiloxanes that provides of the utility model process units oneThe structural representation of good embodiment;
Fig. 2 is the static mixer of the process units of the super high molecular weight polysiloxanes shown in Fig. 1Structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, in the utility model embodimentTechnical scheme be clearly and completely described, obviously, described embodiment is only this realityWith novel a part of embodiment, instead of whole embodiment. Based in the utility modelEmbodiment, those of ordinary skill in the art obtain under creative work prerequisite not makingAll other embodiment, belong to the scope that the utility model is protected.
Referring to Fig. 1, is the production dress of the super high molecular weight polysiloxanes that provides of the utility modelPut the structural representation of a preferred embodiment.
The process units 1 of described super high molecular weight polysiloxanes comprises reactor 01, static mixedClose device 02, incorgruous conical double ribbon revolves extruder 03 and cocurrent and parallel vacuum screw extruder 04.Described reactor 01, described static mixer 02, described incorgruous conical double ribbon revolve extruder 03And described cocurrent and parallel vacuum screw extruder 04 is connected in series successively. Described incorgruous taper is twoExtruser 03 and described incorgruous vacuum screw extruder 04 are double-spiral structure. DescribedOn cocurrent and parallel vacuum screw extruder 04, there are 2 vacuum ports.
Please again consulting Fig. 2, is the process units of the super high molecular weight polysiloxanes shown in Fig. 1The structural representation of static mixer.
Described static mixer 02 comprises tank body 11, porous plate 12, charging aperture 13, dischargingMouth 14, conical surface body 15, vacuum port 16 and supporting construction 17.
Described charging aperture 13 and described discharging opening 14 are located at respectively described tank body 11 two ends, connectLogical described tank body 11, described porous plate 12 is located at described tank body 11 inside, nearly described chargingMouth 13 one end, described supporting construction 17 is located at described tank body 11 inside, and institute is fixed in one endState the nearly described discharging opening of tank body 11 14 one end, the other end is connected with described porous plate 12. InstituteState conical surface body 15 and comprise hole, described conical surface body 15 is located in described supporting construction 17. DescribedVacuum port 16 is located at described tank body 11 medium positions, together with described tank body 11. Described porousHole on plate 12 is 50-80
Described supporting construction 17 comprises gripper shoe 171 and supports and lean on 172. Described gripper shoe 171Be fixed on the nearly described discharging opening of described tank body 11 14 one end, described in described support column 172 is located atTank body 11 central shaft positions, two ends connect respectively described porous plate 12 and described gripper shoe 172.
Described conical surface body 15 comprises front conical surface body 151 and reverse side conical surface body 152. Just describedFace cone face body 151 is located at the vertical direction of described reverse side conical surface body 152, and the described front conical surfaceBody 151 sizes are less than described reverse side conical surface body 152. Described front conical surface body 151 and described anti-Face cone face body 152 quantity are two.
Process units 1 operation principle of super high molecular weight polysiloxanes of the present utility model is instituteState reactor 01, described static mixer 02, described incorgruous conical double ribbon revolve extruder 03 andDescribed cocurrent and parallel vacuum screw extruder 04 is connected in series successively, and siloxanyl monomers is describedIn reactor, 01 is reacted to certain molecular weight, enters described static mixer 02, sloughs oneThe responseless low molecule of part, at this moment polysiloxanes viscosity is not high, easily slough, then byDescribed incorgruous conical double ribbon revolves extruder 03 and is transported to described cocurrent and parallel vacuum screw extruder04, in described cocurrent and parallel vacuum screw extruder 04, add terminator, cessation reaction,Utilize the high vacuum of described cocurrent and parallel vacuum screw extruder 04 simultaneously, further slough lowThe sub-material of molecule, obtains the super high molecular weight polysiloxanes of low-volatile.
The process units 1 of super high molecular weight polysiloxanes of the present utility model has useful as followsEffect:
One, adopt described reactor 01, described static mixer 02, described incorgruous taper pairWhat extruser 03 and described cocurrent and parallel vacuum screw extruder 04 were connected in series successively establishesMeter, increases sticky body length of flow, and fluid attenuation, avoids causing stirring because of mobility variationInsufficient,, easily there is the problems such as crosslinked phenomenon in hot-spot.
Two, adopt the vacuum design of described cocurrent and parallel vacuum screw extruder 04, utilize instituteState cocurrent and parallel vacuum screw extruder 04 attenuation of super high molecular weight polysiloxanes is diminished, withTime be equipped with condition of high vacuum degree, can further slough rapidly the sub-material of low molecule, obtain low-volatileSuper high molecular weight polysiloxanes.
Three, adopt described static mixer 02, make to volatilize in super high molecular weight polysiloxanesPart is sloughed can be relatively quick, and the time is short, and energy consumption is low, and super high molecular weight polysiloxanes is at 2-3Hour, can slough fugitive constituent, fugitive constituent can reach 0.6% once, and through this deviceAfter, the uniformity of super high molecular weight polysiloxanes improves. Described porous plate 12 and described inConical surface body 15 adopts hole design, super high molecular weight polysiloxanes is divided into the glue of a lot of band shapesBody flows down, and makes it in volatilization device, can slough more fast fugitive constituent. Described tank body 11On be provided with described vacuum port 16, can make described tank body 11 in vacuum state, be beneficial to waveSend out sloughing of part. The setting of described front conical surface body 151 and described reverse side conical surface body 152, prolongsGrow the time of staying of super high molecular weight polysiloxanes in tank body 9, made the time of devolatilization moreLonger, make super high molecular weight polysiloxanes in this device, have the mistake of a mixing simultaneouslyJourney, makes super high molecular weight polysiloxanes have better uniformity.
The foregoing is only embodiment of the present utility model, not thereby limit of the present utility modelThe scope of the claims, every utilize equivalent structure that the utility model description and accompanying drawing content do orThe conversion of equivalence flow process, or be directly or indirectly used in other relevant technical field, all in like manner wrapDraw together in scope of patent protection of the present utility model.
Claims (10)
1. the process units of a super high molecular weight polysiloxanes, it is characterized in that, comprise that reactor, static mixer, incorgruous conical double ribbon revolve extruder and cocurrent and parallel vacuum screw extruder, described reactor, described static mixer, described incorgruous conical double ribbon revolve extruder and described cocurrent and parallel vacuum screw extruder is connected in series successively.
2. the process units of super high molecular weight polysiloxanes according to claim 1, it is characterized in that, described static mixer comprises tank body, porous plate, charging aperture, discharging opening and supporting construction, described charging aperture and described discharging opening are located at respectively described tank body two ends, be communicated with described tank body, described porous plate is located at described tank interior, nearly described charging aperture one end, described supporting construction is located at described tank interior, the nearly described discharging opening of described tank body one end is fixed in one end, and the other end is connected with described porous plate.
3. the process units of super high molecular weight polysiloxanes according to claim 2, it is characterized in that, described supporting construction comprises that gripper shoe and support lean on, described gripper shoe is fixed on the nearly described discharging opening of described tank body one end, described support column is located at described tank body central shaft position, and two ends connect respectively described porous plate and described gripper shoe.
4. the process units of super high molecular weight polysiloxanes according to claim 2, is characterized in that, described static mixer also comprises conical surface body, and described conical surface body comprises hole, and described conical surface body is located in described supporting construction.
5. the process units of super high molecular weight polysiloxanes according to claim 4, it is characterized in that, described conical surface body comprises front conical surface body and reverse side conical surface body, described front conical surface body is located at the vertical direction of described reverse side conical surface body, and described front conical surface body size is less than described reverse side conical surface body.
6. the process units of super high molecular weight polysiloxanes according to claim 5, is characterized in that, described front conical surface body and described reverse side conical surface body quantity are two.
7. the process units of super high molecular weight polysiloxanes according to claim 2, is characterized in that, described static mixer also comprises vacuum port, and described vacuum port is located at described tank body medium position, together with described tank body.
8. the process units of super high molecular weight polysiloxanes according to claim 2, is characterized in that, the hole on described porous plate is 50-80.
9. the process units of super high molecular weight polysiloxanes according to claim 1, is characterized in that, described incorgruous conical double ribbon revolves extruder and described cocurrent and parallel vacuum screw extruder is double-spiral structure.
10. the process units of super high molecular weight polysiloxanes according to claim 1, is characterized in that, on described cocurrent and parallel vacuum screw extruder, has 2 vacuum ports.
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| CN201520828078.2U CN205241587U (en) | 2015-10-23 | 2015-10-23 | Ultra high molecular volume polysiloxanes's apparatus for producing |
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| CN201520828078.2U CN205241587U (en) | 2015-10-23 | 2015-10-23 | Ultra high molecular volume polysiloxanes's apparatus for producing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574714A (en) * | 2020-05-15 | 2020-08-25 | 浙江新安化工集团股份有限公司 | Continuous production system and production method of polysiloxane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574714A (en) * | 2020-05-15 | 2020-08-25 | 浙江新安化工集团股份有限公司 | Continuous production system and production method of polysiloxane |
| CN111574714B (en) * | 2020-05-15 | 2021-08-03 | 浙江新安化工集团股份有限公司 | Continuous production system and production method of polysiloxane |
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