CN202808663U - Molecular device for removing low-boiling-point substances from methyl vinylsiloxane rubber - Google Patents
Molecular device for removing low-boiling-point substances from methyl vinylsiloxane rubber Download PDFInfo
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- CN202808663U CN202808663U CN2012204820561U CN201220482056U CN202808663U CN 202808663 U CN202808663 U CN 202808663U CN 2012204820561 U CN2012204820561 U CN 2012204820561U CN 201220482056 U CN201220482056 U CN 201220482056U CN 202808663 U CN202808663 U CN 202808663U
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- heat exchanger
- rubber
- barrel body
- interval
- exchanger tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a molecular device for removing low-boiling-point substances from methyl vinylsiloxane rubber. The molecular device comprises a molecular device body which comprises an upper barrel body and a lower barrel body, wherein the upper barrel body is internally provided with a first heat exchanger tube nest and a second heat exchanger tube nest with the interval of 300mm, and a first mixing area is formed by the interval area; a pattern card is mounted at the joint of the upper barrel body and the lower barrel body, and is embedded into the lower barrel body, the interval between the second heat exchanger tube nest and the pattern card is 300mm, and a second mixing area is formed by the interval; and four vacuum ports are uniformly distributed on the lower barrel body. According to the utility model, the molecular device comprises two layers of tube nests for heating, and the two layers are mixed, so that the heating is uniform, and the heating time is reduced, further, the stroke of the rubber in the tube nests is reduced, the heating efficiency is effectively promoted, the energy consumption during production is reduced, and the production cost is saved.
Description
Technical field
The utility model relates to a kind of methyl ethylene silicon raw rubber and takes off low molecule device.
Background technology
Raw-silastic continuously is the basic polysiloxane of a kind of uncured (crosslinked), is called silicon raw rubber (abbreviation rubber), and it is the linear polydiorganosiloxanepolyamide of a class high molecular weight.The production process of rubber is to be set out by highly purified two organodichlorosilanes, first through hydrolytic condensation, makes oligosiloxane,, comprise the polydiorganosiloxane that ring-type polydiorganosiloxane and line style are hydroxy-end capped, as the raw material of preparation rubber main chain.Again with Me
3SiCl or ViMe
2The SiCl hydrolytic condensation is made Me
3SiOSiMe
3Or ViMe
2The SiOSiMeVi intermediate is as end-capping reagent.Then require a kind of or concentrated siloxanes is middle and end-capping reagent according to rubber, through acid, corresponding rubber is made in base catalysis equilibrium polymerization or copolymerization.Then according to the requirement of rubber with a kind of or concentrated siloxanes intermediate and end-capping reagent, behind alkali, acid catalysis equilibrium polymerization or the copolymerization polymerization make corresponding rubber.Last again with catalyzer with or decompose and obtain stable rubber.
The preparation of rubber is through 70 ℃ of dehydrations 2 hours with dimethyl siloxane mixed methylcyclosiloxane (DMC), the mixing raw material that drying is good is continuously pumped in the polymerization reactor of helix agitator, under 100 ~ 110 ℃, carry out ring-opening polymerization, 1 hour residence time, then enter the ager under 120 ℃, make molar mass reach 40 ~ 800,000 g/mol, flow into again and take off the low-boiling-point substance device with heating jacket and sieve plate, under 180 ~ 200 ℃ and 1.3Kpa, destroy catalyzer and remove low-boiling-point substance in the rubber, obtain rubber.
In industrial production, need throughput finished product rubber, after polymerization is finished, will efficiently remove low-boiling-point substance.The structure of taking off low molecule device of general removal low-boiling-point substance using is at present, as shown in Figure 1, comprise molecule device body 1 ', it is heat exchanger tube 2 ' and the card 3 ' of 800mm that stroke is installed in the described molecule device body 1 ', and interval 500mm forms mixing zone 4 ' between wherein said heat exchanger tube 2 ' and the card 3 '.When adopting said apparatus to remove low-boiling-point substance, usually there is following several respects problem:
Problem 1: original taking off in the low molecule device production process exists residence time of material long, and output efficiency is poor; The rubber that polymerization is finished need be heated to 180 ~ 200 ℃, even for making temperature of charge, suitable prolongation heat-up time, causes production efficiency to reduce.
Problem 2: owing to prolong the material high-temperature time, bring equally easily because the long phenomenons such as the long-time high temperature generation of part rubber is crosslinked, jaundice that cause of the residence time.
Problem 3: it is by taking off low tubulation and take off low cylinder folder is connected that original card that takes off in the low molecule device is installed, and vacuum port only has two, causes after long-time the use to produce easily after the card distortion to leak glue, and vacuum suction speed is low, and the phenomenons such as the weak effect that boils are hanged down in removal.By can fill up the shortcoming of old-fashioned molecule device to the technological improvement of taking off low molecule device.
The utility model content
The purpose of this utility model is to provide a kind of methyl ethylene silicon raw rubber to take off low molecule device, of the present utility modelly take off low molecule device and be divided into the heating of 2 stratose pipes, 2 layers of mixing, homogeneous heating, thereby reduce heat-up time, reduce rubber at the stroke of tubulation, effectively promote heating efficiency, reduce the power consumption of producing, saved production cost.
In order to achieve the above object, the technical solution of the utility model is:
A kind of methyl ethylene silicon raw rubber takes off low molecule device, comprises molecule device body, and described molecule device body is divided into upper shell and lower shell; First Heat Exchanger tubulation and the second heat exchanger tube are installed in the described upper shell; And First Heat Exchanger tubulation and the second heat exchanger tube interval 300mm, and its interval section forms the first mixing zone; Described upper shell and lower shell junction are equipped with card, and in the card 5 embedding lower shells, described the second heat exchanger tube and card interval 300mm, and its interval section forms the second mixing zone; Be evenly equipped with 4 vacuum ports on the described lower shell.
Described First Heat Exchanger tubulation and the second heat exchanger tube stroke are 800mm.
The beneficial effects of the utility model are: the heating tubulation stroke that tradition is taken off low molecule device is 800mm, and two sections heating tubulation combined stroke of the present utility model only have 600mm, be heated in the situation of uniform temp, shortened except the low rubber tubulation heating stroke that boils, reduce the time that rubber contacts with high temperature heat conductive oil, thereby reduced the crosslinked and yellowing phenomenon that produces after rubber contacts with the high temperature tube wall.The card that next tradition is taken off in the low molecule device is taking off low molecule device mixing zone and is taking off between the low cylindrical shell clamping fixed, card can produce metamorphism after long-time the use under the pressure of rubber threading, cause leaking glue and lower shell gas leak phenomenon, cause and take off low vacuum decline, the low effect of boiling is removed in impact.Show as aborning the fugitive constituent superelevation.The utility model falls into card and takes off low lower shell embedding design, avoided causing leakage glue and the gas leak phenomenon that produces after the card distortion because of rubber threading pressure, the novel design of taking off low molecule device vacuum port has increased by two in addition, by two original vacuum ports, increased by four, increased vacuum suction speed, in long-time production, can not affect except the low effect of boiling, and can also improve the effect of boiling except low, make that fugitive constituent can be stabilized in the controlled range for a long time in the production.In sum, utilize methyl ethylene silicon raw rubber of the present utility model to take off low molecule device, its rubber quality has had raising, and driving rate significantly promotes, and reduces the power consumption of producing, and has saved production cost.
Description of drawings
Fig. 1 is the structural representation that traditional methyl ethylene silicon raw rubber takes off low molecule device;
Fig. 2 is structural representation of the present utility model.
Embodiment
As shown in Figure 2, a kind of methyl ethylene silicon raw rubber of present embodiment takes off low molecule device, comprises molecule device body 1, and described molecule device body 1 is divided into upper shell 11 and lower shell 12; First Heat Exchanger tubulation 2 and the second heat exchanger tube 3 are installed in the described upper shell 11; And First Heat Exchanger tubulation 2 and the second heat exchanger tube 3 interval 300mm, and its interval section forms the first mixing zone 4; Described upper shell 11 and lower shell 12 junctions are equipped with card 5, and in the card 5 embedding lower shells 12, described the second heat exchanger tube 3 and card 5 interval 300mm, and its interval section forms the second mixing zone 6; Be evenly equipped with 4 vacuum ports 13 on the described lower shell 12.Described First Heat Exchanger tubulation 2 and the second heat exchanger tube 3 strokes are 800mm.
The heating tubulation stroke that tradition is taken off low molecule device is 800mm, and two sections heating tubulation combined stroke of present embodiment only have 600mm, be heated in the situation of uniform temp, shortened except the low rubber tubulation heating stroke that boils, reduce the time that rubber contacts with high temperature heat conductive oil, thereby reduced the crosslinked and yellowing phenomenon that produces after rubber contacts with the high temperature tube wall.The card that next tradition is taken off in the low molecule device is taking off low molecule device mixing zone and is taking off between the low cylindrical shell clamping fixed, card can produce metamorphism after long-time the use under the pressure of rubber threading, cause leaking glue and lower shell gas leak phenomenon, cause and take off low vacuum decline, the low effect of boiling is removed in impact.Show as aborning the fugitive constituent superelevation.Present embodiment falls into card and takes off low lower shell embedding design, avoided causing leakage glue and the gas leak phenomenon that produces after the card distortion because of rubber threading pressure, in long-time production, can not affect except the low effect of boiling, make that fugitive constituent can be stabilized in the controlled range for a long time in the production.In sum, utilize the methyl ethylene silicon raw rubber of present embodiment to take off low molecule device, its rubber quality has had raising, and driving rate significantly promotes, and reduces the power consumption of producing, and has saved production cost.Below attached tradition take off low molecule device and hang down molecule device performance synopsis with taking off of present embodiment.
Can be confirmed further that by table 1 contrast the low molecule device more traditional low molecule device that takes off on production capacity that takes off of present embodiment has obvious lifting, has improved output capacity, has relatively saved electricity consumption and steam cost in the production.Turnaround has been saved recondition expense and cost of labor than very large prolongation is arranged simultaneously, and the qualification rate of rubber volatile matter has obvious lifting in long-time the production, is difficult for producing the rubber yellowing phenomenon, and is obvious to the rubber quality-improving.
Table 1
| Production capacity | Turnaround | The fugitive constituent qualification rate | |
| Old taking off hanged down the molecule device | 100~200KG/ |
3 months | 90% |
| Newly take off low molecule device | 500~600KG/ |
12 months | 99% |
Claims (2)
1. a methyl ethylene silicon raw rubber takes off low molecule device, and it is characterized in that: comprise molecule device body (1), described molecule device body (1) is divided into upper shell (11) and lower shell (12); First Heat Exchanger tubulation (2) and the second heat exchanger tube (3) are installed in the described upper shell (11); And First Heat Exchanger tubulation (2) and the second heat exchanger tube (3) interval 300mm, and its interval section forms the first mixing zone (4); Described upper shell (11) and lower shell (12) junction are equipped with card (5), and card (5) embeds in the lower shell (12), described the second heat exchanger tube (3) and card (5) interval 300mm, and its interval section forms the second mixing zone (6); Be evenly equipped with 4 vacuum ports (13) on the described lower shell (12).
2. a kind of methyl ethylene silicon raw rubber as claimed in claim 1 takes off low molecule device, and it is characterized in that: described First Heat Exchanger tubulation (2) and the second heat exchanger tube (3) stroke are 800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204820561U CN202808663U (en) | 2012-09-20 | 2012-09-20 | Molecular device for removing low-boiling-point substances from methyl vinylsiloxane rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204820561U CN202808663U (en) | 2012-09-20 | 2012-09-20 | Molecular device for removing low-boiling-point substances from methyl vinylsiloxane rubber |
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| Publication Number | Publication Date |
|---|---|
| CN202808663U true CN202808663U (en) | 2013-03-20 |
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ID=47867580
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204820561U Expired - Fee Related CN202808663U (en) | 2012-09-20 | 2012-09-20 | Molecular device for removing low-boiling-point substances from methyl vinylsiloxane rubber |
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| CN (1) | CN202808663U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254895A (en) * | 2015-10-15 | 2016-01-20 | 吴长江 | Methyl vinyl silicone rubber production system |
| CN105273193A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Silicone rubber production equipment |
| CN105273191A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Continuous production structure of low-volatility raw rubber |
| CN105273195A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Raw rubber production device |
| CN105273194A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Equipment for producing methyl vinyl silicone rubber |
| CN109265685A (en) * | 2018-11-15 | 2019-01-25 | 湖北兴瑞硅材料有限公司 | A kind of methyl vinyl silicone rubber takes off low molecule device and takes off low technique |
| CN109603178A (en) * | 2018-12-26 | 2019-04-12 | 佛山市金银河智能装备股份有限公司 | A method of it taking off low kettle and takes off low kettle and heat broken matchmaker |
| CN109758790A (en) * | 2017-11-09 | 2019-05-17 | 万华化学集团股份有限公司 | The apparatus and method of volatile organic compounds in a kind of removal acrylic emulsion |
-
2012
- 2012-09-20 CN CN2012204820561U patent/CN202808663U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254895A (en) * | 2015-10-15 | 2016-01-20 | 吴长江 | Methyl vinyl silicone rubber production system |
| CN105273193A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Silicone rubber production equipment |
| CN105273191A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Continuous production structure of low-volatility raw rubber |
| CN105273195A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Raw rubber production device |
| CN105273194A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Equipment for producing methyl vinyl silicone rubber |
| CN109758790A (en) * | 2017-11-09 | 2019-05-17 | 万华化学集团股份有限公司 | The apparatus and method of volatile organic compounds in a kind of removal acrylic emulsion |
| CN109758790B (en) * | 2017-11-09 | 2021-06-29 | 万华化学集团股份有限公司 | Device and method for removing volatile organic compounds in acrylic emulsion |
| CN109265685A (en) * | 2018-11-15 | 2019-01-25 | 湖北兴瑞硅材料有限公司 | A kind of methyl vinyl silicone rubber takes off low molecule device and takes off low technique |
| CN109265685B (en) * | 2018-11-15 | 2023-11-10 | 湖北兴瑞硅材料有限公司 | Methyl vinyl silicone rubber low molecular weight removing device and low molecular weight removing process |
| CN109603178A (en) * | 2018-12-26 | 2019-04-12 | 佛山市金银河智能装备股份有限公司 | A method of it taking off low kettle and takes off low kettle and heat broken matchmaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130920 |