CN203408486U - Device for rectifying and purifying decamethylcyclopentasiloxane from organic silicon high-boiling-point ring body mixture - Google Patents
Device for rectifying and purifying decamethylcyclopentasiloxane from organic silicon high-boiling-point ring body mixture Download PDFInfo
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- CN203408486U CN203408486U CN201320405009.1U CN201320405009U CN203408486U CN 203408486 U CN203408486 U CN 203408486U CN 201320405009 U CN201320405009 U CN 201320405009U CN 203408486 U CN203408486 U CN 203408486U
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Abstract
The utility model discloses a device for rectifying and purifying decamethylcyclopentasiloxane from an organic silicon high-boiling-point ring body mixture. The device comprises a high ring storage tank, a rectifying tower, a reflux tank, a reflux pump and a vacuum buffer tank, wherein a feeding hole of the rectifying tower is communicated with a discharging hole of the high ring storage tank; a discharging hole in the top of the rectifying tower is communicated with a feeding hole of a condenser; a discharging hole in the bottom of the rectifying tower is communicated with a feeding hole of a high-boiling-point mixture storage tank; a feeding hole of the reflux tank is communicated with a discharging hole of the condenser; a feeding hole of the reflux pump is communicated with a discharging hole of the reflux tank; a discharging hole of the reflux pump is communicated with the top of the rectifying tower, a low-boiling-point mixture storage tank and a feeding hole of a D5 storage tank respectively; the reflux tank is communicated with the vacuum buffer tank. The device is simple in structure, convenient to construct and mount, high in utilization rate of raw materials and high in product purity.
Description
Technical field
The utility model relates to a kind of chemical production equipment, relates in particular to a kind of process units that utilizes high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane.
Background technology
Decamethylcyclopentaandoxane has another name called decamethylcyclopentasiloxane, is called for short D
5, refer to a kind of volatile poly dimethyl alkylene oxide, mainly by D5, formed.Be for No. CAS 541-02-6, molecular formula is C
10h
30o
5si
5.Decamethylcyclopentaandoxane outward appearance is colourless transparent oil liquid, is volatile, silicone oil with low viscosity.It and most alcohol have good compatibility with other cosmetics solvent, and tasteless, nontoxic, non-stimulated, clean non-greasy, can be used as basic substance or carrier, the ductility having had and smear.So D
5can be used as various personal care products' base oil, can use separately, also blending is used and and other solvent use mutually.
Dimethyldichlorosilane passes through, after hydrolysis, cracking, mainly to generate dimethyl siloxane mixed methylcyclosiloxane (DMC), octamethylcy-clotetrasiloxane (D wherein
4) conventionally separated separately, for the production of high-temperature silicon disulfide rubber, the above high boiling organosilicon point ring body mixture forming in remaining five rings and five rings, common name epipodium.Main containing decamethylcyclopentaandoxane (D in epipodium
5), ten diformazan basic ring six siloxanes (D
6) and tetradecamethylcycloheptasiloxane (D
7) etc., and have micro-hexamethyl cyclotrisiloxane (D
3) and octamethylcy-clotetrasiloxane (D
4).
For the separated octamethylcy-clotetrasiloxane (D of dimethyl siloxane mixed methylcyclosiloxane (DMC)
4) after in remaining high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane process units not yet have at present a relevant report.
Utility model content
The utility model, for the problems referred to above, provides a kind of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane process units that utilizes.This described process units is simple in structure, and prepared using efficiency is high, the decamethylcyclopentaandoxane (D of rectifying gained
5) purity is up to more than 99.5%.
The technical solution of the utility model is:
High boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane device of the present utility model, comprise epipodium storage tank, rectifying column, return tank, reflux pump, vacuum buffer tank, it is characterized in that rectifying column charging aperture is communicated with the discharging opening of epipodium storage tank, rectifying tower top discharging opening is communicated with the charging aperture of condenser, and rectifier bottoms discharging opening is communicated with the charging aperture of high boiling mixture storage tank; The charging aperture of return tank is communicated with the discharging opening of condenser; The charging aperture of reflux pump is communicated with the discharging opening of return tank, the discharging opening of reflux pump respectively with rectifying column tower top, low boiling mixture storage tank and D
5the charging aperture of storage tank is communicated with; Return tank is communicated with vacuum buffer tank;
Described epipodium storage tank, for storage of raw materials high boiling organosilicon point ring body mixture;
Described rectifying column, for the separated epipodium mixture of rectification under vacuum;
Described return tank, for collecting refluxer;
Described vacuum buffer tank, for compensator or trimmer pressure, prevents from pouring in down a chimney, and also reaches stable vacuum simultaneously;
Described low boiling mixture storage tank, mainly receives hexamethyl cyclotrisiloxane (D a small amount of in epipodium
3) and octamethylcy-clotetrasiloxane (D
4);
Described D
5storage tank, for receiving highly purified decamethylcyclopentaandoxane (D
5) finished product;
Described high boiling mixture storage tank, mainly receives ten diformazan basic ring six siloxanes (D
6) and tetradecamethylcycloheptasiloxane (D
7) etc. material.
Preferably, between epipodium storage tank and the pipeline of rectifying column, be provided with measuring pump, be convenient to reaction and carry out continuously.
Preferably, between described raw material epipodium storage tank and the pipeline of rectifying column, be provided with control valve; Described control valve is selected check valve or two-way valve, comprises hand-operated valve or motor-driven valve.
Preferably, described rectifier adopts screen waviness packings structure, and bottom adopts bubble cap plate, to reduce production costs, reduces leakage, improves rectification efficiency.
Preferably, described rectifier bottoms is provided with reboiler, makes each after rectification under vacuum carry out mutually separation.
Preferably, on described vacuum buffer tank, be connected with two stage pump, the first order is water ring pump, and the second level is Roots vaccum pump.
Operation principle described in the utility model is:
Epipodium raw material in epipodium storage tank enters in rectifying column from rectifying column middle part, by reboiler, heats, and under 0.01-0.02MPa vacuum condition, carries out rectification under vacuum separation.Rectifying column column bottom temperature is controlled at approximately 150 ℃, and tower top temperature is controlled at approximately 120 ℃, and rectifying column tower top obtains D
5gas phase, through condenser condenses, the condensate liquid obtaining flows into return tank by potential difference, and return tank inner condensat liquid remains in the situation of suitable liquid level, and by reflux pump, a part is back to rectifying column tower top through Flow-rate adjustment, the D that a part is qualified
5through extraction, regulate and deliver to D
5storage tank.Rectifying tower substrate is expected extraction D in the situation of certain liquid level
6, D
7epipodium, deliver to high boiling mixture storage tank.
The utility model has the advantages that: the utility model is used for high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane, purification raw material comes from DMC rectifying and extracts D
4after residue higher boiling ring body mixture.Process units described in the utility model is simple in structure, construction install convenience, and raw material availability is high, and product purity is high, is conducive to apply.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model process units.
1-epipodium storage tank 2-measuring pump 3-rectifying column 4-reboiler
5-high-boiling components (D
6, D
7) storage tank 6-condenser 7-return tank
8-reflux pump 9-low-boiling-point substance (D
3, D
4) storage tank 10-D
5storage tank
11-vacuum buffer tank 12-Roots vaccum pump 13-water ring pump
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described;
As shown in Figure 1, a kind of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane process units that utilizes,
Comprise epipodium storage tank 1, rectifying column 3, return tank 7, reflux pump 8, vacuum buffer tank 11, the material inlet of rectifying column 3 is communicated with the discharging opening of raw material high boiling organosilicon point ring body mixture epipodium storage tank 1, rectifying column 3 tower top discharging openings are communicated with the charging aperture of condenser 6, and rectifying column 3 bottom discharge mouths are communicated with the charging aperture of high boiling mixture storage tank 5; The charging aperture of return tank 7 is communicated with the discharging opening of condenser 6; The charging aperture of reflux pump 8 is communicated with the discharging opening of return tank 7, the discharging opening of reflux pump 8 respectively with rectifying column 3 tower tops, low boiling mixture storage tank 9 and D
5the charging aperture of storage tank 10 is communicated with; Return tank 7 is communicated with vacuum buffer tank 11.
Described epipodium storage tank 1, for storage of raw materials high boiling organosilicon point ring body mixture;
Described rectifying column 3, for the separated epipodium mixture of rectification under vacuum;
Described return tank 7, for collecting refluxer;
Described vacuum buffer tank 11, for compensator or trimmer pressure, prevents from pouring in down a chimney, and also reaches stable vacuum simultaneously;
Described low boiling mixture storage tank 9, mainly accepts hexamethyl cyclotrisiloxane (D a small amount of in epipodium
3) and octamethylcy-clotetrasiloxane (D
4);
Described D
5storage tank 10, for receiving highly purified decamethylcyclopentaandoxane (D
5) finished product;
Described high boiling mixture storage tank 5, mainly receives ten diformazan basic ring six siloxanes (D
6) and tetradecamethylcycloheptasiloxane (D
7) etc. material.
Preferably, between epipodium storage tank 1 and the pipeline of rectifying column 3, be provided with measuring pump, be convenient to reaction and carry out continuously.
Preferably, between described raw material epipodium storage tank 1 and the pipeline of rectifying column 3, be provided with control valve; Described control valve is selected check valve or two-way valve, comprises hand-operated valve or motor-driven valve.
Preferably, described rectifying column 3 tops adopt screen waviness packings structure, and bottom adopts bubble cap plate, to reduce production costs, reduces leakage, improves rectification efficiency.
Preferably, described rectifying column 3 bottoms are provided with reboiler, make each after rectification under vacuum carry out mutually separation.
Preferably, on described vacuum buffer tank 11, be connected with two stage pump, the first order is water ring pump 13, and the second level is Roots vaccum pump 12.
Operation principle of the present utility model is: the raw material high boiling organosilicon point ring body mixture in epipodium storage tank 1 enters in tower from rectifying column 3 middle parts, by reboiler 4, heats, and carries out rectification under vacuum separation.Vacuum is utilized two stage pump, and the first order is water ring pump 13, and the second level is Roots vaccum pump 12.Rectifying column 3 tower tops obtain D
5gas phase, through condenser 6 condensations, condensate liquid flows into return tank 7 by potential difference, and return tank 7 inner condensat liquids remain in the situation of certain liquid level, and by reflux pump 8, a part is back to tower top through Flow-rate adjustment, the D that a part is qualified
5through extraction, regulate and deliver to D
5storage tank 10.Rectifying column 3 materials at bottom of towers after cooler is cooling, extraction D in the situation that keeping at the bottom of tower certain liquid level
6, D
7epipodium, deliver to high boiling mixture storage tank 5.
Claims (6)
1. the device of a high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane, comprise: epipodium storage tank, rectifying column, return tank, reflux pump, vacuum buffer tank, it is characterized in that rectifying column charging aperture is communicated with the discharging opening of epipodium storage tank, rectifying tower top discharging opening is communicated with the charging aperture of condenser, and rectifier bottoms discharging opening is communicated with the charging aperture of high boiling mixture storage tank; The charging aperture of return tank is communicated with the discharging opening of condenser; The charging aperture of reflux pump is communicated with the discharging opening of return tank, the discharging opening of reflux pump respectively with rectifying column tower top, low boiling mixture storage tank and D
5the charging aperture of storage tank is communicated with; Return tank is communicated with vacuum buffer tank;
2. the device of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane according to claim 1, is characterized in that being provided with measuring pump between epipodium storage tank and the pipeline of rectifying column.
3. the device of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane according to claim 1, is characterized in that being provided with control valve between described raw material epipodium storage tank and the pipeline of rectifying column; Described control valve is selected check valve or two-way valve, comprises hand-operated valve or motor-driven valve.
4. the device of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane according to claim 1, is characterized in that described rectifier adopts screen waviness packings structure, and bottom adopts bubble cap plate.
5. the device of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane according to claim 1, is characterized in that described rectifier bottoms is provided with reboiler.
6. the device of high boiling organosilicon point ring body mixture rectification and purification decamethylcyclopentaandoxane according to claim 1, is characterized in that being connected with two stage pump on described vacuum buffer tank, and the first order is water ring pump, and the second level is Roots vaccum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320405009.1U CN203408486U (en) | 2013-07-09 | 2013-07-09 | Device for rectifying and purifying decamethylcyclopentasiloxane from organic silicon high-boiling-point ring body mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320405009.1U CN203408486U (en) | 2013-07-09 | 2013-07-09 | Device for rectifying and purifying decamethylcyclopentasiloxane from organic silicon high-boiling-point ring body mixture |
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|---|---|
| CN203408486U true CN203408486U (en) | 2014-01-29 |
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ID=49971414
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320405009.1U Expired - Lifetime CN203408486U (en) | 2013-07-09 | 2013-07-09 | Device for rectifying and purifying decamethylcyclopentasiloxane from organic silicon high-boiling-point ring body mixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033351A (en) * | 2016-11-30 | 2017-08-11 | 江西蓝星星火有机硅有限公司 | A kind of preparation technology of ultralow viscous dimethicone |
-
2013
- 2013-07-09 CN CN201320405009.1U patent/CN203408486U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033351A (en) * | 2016-11-30 | 2017-08-11 | 江西蓝星星火有机硅有限公司 | A kind of preparation technology of ultralow viscous dimethicone |
| CN107033351B (en) * | 2016-11-30 | 2020-09-04 | 江西蓝星星火有机硅有限公司 | Preparation process of ultralow-viscosity dimethyl silicone oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HOSHINE SILICON CO., LTD. Free format text: FORMER NAME: ZHEJIANG HESHENG SILICON INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Jiaxing City, Zhejiang province 314201 Zhapu Zhen Ya Mountain Road No. 530 Patentee after: HOSHINE SILICON INDUSTRY CO.,LTD. Address before: 314200 Zhejiang province Pinghu Zhapu Zhen Ya Shan Road No. 530 Patentee before: ZHEJIANG HESHENG SILICON INDUSTRY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |