CN104031084B - Organosilicon hydrolyzation thing loop wire separation method - Google Patents
Organosilicon hydrolyzation thing loop wire separation method Download PDFInfo
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- CN104031084B CN104031084B CN201410277327.3A CN201410277327A CN104031084B CN 104031084 B CN104031084 B CN 104031084B CN 201410277327 A CN201410277327 A CN 201410277327A CN 104031084 B CN104031084 B CN 104031084B
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Abstract
The invention discloses a kind of organosilicon hydrolyzation thing loop wire separation method, in negative pressure of vacuum, at 100～200 DEG C, organosilicon hydrolyzation thing is through loop wire knockout tower, difference according to wire body and ring body boiling point carries out rectification, it is achieved ring body separates with wire body, wherein, tower reactor obtains wire body, and tower top obtains ring body；Beneficial effects of the present invention is, after this set loop wire segregation apparatus is arranged, meets cracking load after monomer is expanded production, decreases the investment of a set of cracker；After loop wire separates, hydrolysate makes 107 glue, compares DMC and makees 107 glue, is greatly saved cost；After loop wire separates, organosilicon hydrolyzation thing can be directly as production marketing.
Description
Technical field
The present invention relates to field of organic silicon, particularly relate to organosilicon hydrolyzation thing loop wire separation method.
Background technology
At present, organic silicon monomer manufacturer production capacity surplus, selling market is the most prosperous.Each producer the most constantly produces in developing downstream
Product, make good use of side-product, adjust the product mix, and constantly carry out the technological transformation of energy-saving and cost-reducing aspect, reduce production cost,
The most profitable say.Utilizing organosilicon hydrolyzation thing to make 107 glue products is a kind of trend place, uses DMC in alkalescence at present
, there is cost of material height, complex process, equipment investment greatly, and product quality be difficult in polymerization preparation 107 glue under catalyst action
The defects such as control, viscosity poor repeatability and product bond, physical property is poor.
Summary of the invention
For above-mentioned prior art, the invention provides a kind of organosilicon hydrolyzation thing loop wire separation method, have that technique is simple, joint
Can consumption reduction, the advantage such as cost-effective.
The present invention is achieved by the following technical solutions:
A kind of organosilicon hydrolyzation thing loop wire separation method, in negative pressure of vacuum, at 100～200 DEG C, organosilicon hydrolyzation thing separates through loop wire
Tower, carries out rectification according to the difference of wire body and ring body boiling point, it is achieved ring body separates with wire body, and wherein, tower reactor obtains wire body, tower
Top obtains ring body.
Preferably, temperature is 140～160 DEG C.
Preferably, pressure is-0.097Mpa.
The wire body content that described tower reactor obtains is 70%～98%.
The ring body content that described tower top obtains is 98%～99.8%.
Organosilicon hydrolyzation thing delivery pump outlet hydrolysate by metering, and separates after tower reactor hot line body out carries out heat exchange,
Being delivered to loop wire knockout tower, knockout tower is divided into two sections, and top flash zone tray designs is sieve plate or bubble cap plate, and hydrolysate is through liquid
Body distributor uniform distribution is on column plate, and the heat come by bottom ring body steam zone continues to flash off ring body steam, vacuum in tower
Under the conditions of-0.097MPa, tower bottom is designed as downward film evaporator, reaches 140～160 DEG C by middle pressure steam heating-up temperature, steams
Going out the part ring body in hydrolysate wire body, wire body hydrolysate has tower reactor extraction to store after hydrolysate heat exchange through wire body extraction pump
Packaging, delivers to crack unit and is completely converted into ring body material after the condensed recovery of top gaseous phase material；Fractionator overhead obtains containing few
The ring body of amount wire body, tower reactor obtains the wire body containing a small amount of ring body, and loop wire ratio can use demand by flowing back into Row sum-equal matrix.
Beneficial effects of the present invention is,
1., after this set loop wire segregation apparatus is arranged, meet cracking load after monomer is expanded production, decrease the investment of a set of cracker；
2. after loop wire separates, hydrolysate makes 107 glue, compares DMC and makees 107 glue, is greatly saved cost；
3., after loop wire separates, organosilicon hydrolyzation thing can be directly as production marketing.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1:
A kind of organosilicon hydrolyzation thing loop wire separation method, at-0.097MPa, at 100 DEG C, organosilicon hydrolyzation thing through loop wire knockout tower,
Difference according to wire body and ring body boiling point carries out rectification, it is achieved ring body separates with wire body, and wherein, it is 75% that tower reactor obtains content
Wire body, tower top obtains the ring body that content is 98%.
Embodiment 2:
A kind of organosilicon hydrolyzation thing loop wire separation method, at-0.097MPa, at 150 DEG C, organosilicon hydrolyzation thing through loop wire knockout tower,
Difference according to wire body and ring body boiling point carries out rectification, it is achieved ring body separates with wire body, and wherein, it is 98% that tower reactor obtains content
Wire body, tower top obtains the ring body that content is 99.8%.
Organosilicon hydrolyzation thing delivery pump outlet hydrolysate by metering, and separates after tower reactor hot line body out carries out heat exchange,
Being delivered to loop wire knockout tower, knockout tower is divided into two sections, and top flash zone tray designs is sieve plate or bubble cap plate, and hydrolysate is through liquid
Body distributor uniform distribution is on column plate, and the heat come by bottom ring body steam zone continues to flash off ring body steam, vacuum in tower
Under the conditions of-0.097MPa, tower bottom is designed as downward film evaporator, reaches 150 DEG C by middle pressure steam heating-up temperature, steams water
Solving the part ring body in thing wire body, wire body hydrolysate has tower reactor extraction to carry out storage package after wire body extraction pump with hydrolysate heat exchange,
Deliver to crack unit after the condensed recovery of top gaseous phase material and be completely converted into ring body material；Tower reactor obtains the wire body that content is 98%,
Tower top obtains the ring body that content is 99.8%, and loop wire ratio can use demand by flowing back into Row sum-equal matrix.
Embodiment 3:
A kind of organosilicon hydrolyzation thing loop wire separation method, at-0.097MPa, at 200 DEG C, organosilicon hydrolyzation thing through loop wire knockout tower,
Difference according to wire body and ring body boiling point carries out rectification, it is achieved ring body separates with wire body, and wherein, tower reactor obtains the wire body of 82%,
Tower top obtains the ring body that content is 98.6%.
Although the above-mentioned detailed description of the invention to the present invention is described, but not limiting the scope of the invention, affiliated
Skilled person should be understood that on the basis of technical scheme, and those skilled in the art need not pay creativeness
Various amendments that work can be made or deformation are still within protection scope of the present invention.
Claims (3)
1. an organosilicon hydrolyzation thing loop wire separation method, it is characterised in that organosilicon hydrolyzation thing is through loop wire knockout tower, according to line
The difference of body and ring body boiling point carries out rectification, it is achieved ring body separates with wire body, and wherein, tower reactor obtains wire body, and tower top obtains ring body,
Specific embodiment is:
Organosilicon hydrolyzation thing delivery pump outlet hydrolysate by metering, and separates after tower reactor hot line body out carries out heat exchange,
Being delivered to loop wire knockout tower, knockout tower is divided into two sections, and top flash zone tray designs is sieve plate or bubble cap plate, and hydrolysate is through liquid
Body distributor uniform distribution is on column plate, and the heat come by bottom ring body steam zone continues to flash off ring body steam, vacuum in tower
Under the conditions of-0.097MPa, tower bottom is designed as downward film evaporator, reaches 140～160 DEG C by middle pressure steam heating-up temperature,
Steaming the ring body in hydrolysate wire body, wire body hydrolysate is carried out storing bag by tower reactor extraction after wire body extraction pump with hydrolysate heat exchange
Dress, delivers to crack unit and is completely converted into ring body material after the condensed recovery of top gaseous phase material.
2. a kind of organosilicon hydrolyzation thing loop wire separation method as claimed in claim 1, it is characterised in that described tower reactor obtains
Wire body content is 98%.
3. a kind of organosilicon hydrolyzation thing loop wire separation method as claimed in claim 1, it is characterised in that described tower top obtains
Ring body content is 98%～99.8%.
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| CN104031084B true CN104031084B (en) | 2016-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022213890A1 (en) | 2021-04-09 | 2022-10-13 | 江西蓝星星火有机硅有限公司 | Process for producing organosilicon linear body |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105175730B (en) * | 2015-08-19 | 2018-11-20 | 湖北兴瑞化工有限公司 | A method of silicon rubber is prepared using organosilicon hydrolyzation object |
| CN106083910B (en) * | 2016-07-04 | 2018-09-28 | 湖北兴发化工集团股份有限公司 | A kind of organosilicon hydrolyzation object loop wire separation method and device |
| CN115197425B (en) * | 2022-08-17 | 2024-06-25 | 国元新能源科技发展(武汉)有限公司 | Process for separating siloxane linear body and ring body and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19846397A1 (en) * | 1998-10-08 | 2000-04-20 | Wacker Chemie Gmbh | Process for the preparation of mixtures of linear organopolysiloxanes |
| CN100357298C (en) * | 2003-08-10 | 2007-12-26 | 蓝星化工新材料股份有限公司江西星火有机硅厂 | Continuous hydrolysis process of organic dichlorosilane |
| CN101173044A (en) * | 2007-10-30 | 2008-05-07 | 江苏宏达新材料股份有限公司 | Method for producing 107 adhesive by comprehensive utilization of organosilicon hydrolyzation material loop separation |
| CN203123596U (en) * | 2012-12-27 | 2013-08-14 | 华东理工大学 | Vertical falling-film evaporator |
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Cited By (1)
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| WO2022213890A1 (en) | 2021-04-09 | 2022-10-13 | 江西蓝星星火有机硅有限公司 | Process for producing organosilicon linear body |
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