CN215741927U - High-boiling silicon oil refining device - Google Patents
High-boiling silicon oil refining device Download PDFInfo
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- CN215741927U CN215741927U CN202122082662.6U CN202122082662U CN215741927U CN 215741927 U CN215741927 U CN 215741927U CN 202122082662 U CN202122082662 U CN 202122082662U CN 215741927 U CN215741927 U CN 215741927U
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Abstract
The utility model relates to the technical field of organic silicon production, in particular to a high-boiling silicone oil refining device which comprises an adsorption resin fixed bed, an anion exchange resin fixed bed, a molecular sieve fixed bed and an active carbon fixed bed; the upper part of the adsorption resin fixed bed is provided with a feeding pipeline, the lower part discharging end of the adsorption resin fixed bed is communicated with the upper part feeding end of the anion exchange resin fixed bed to form a first section of material pipeline, the lower part discharging end of the anion exchange resin fixed bed is communicated with the upper part feeding end of the molecular sieve fixed bed to form a second section of material pipeline, the lower part discharging end of the molecular sieve fixed bed is communicated with the upper part feeding end of the activated carbon fixed bed to form a third section of material pipeline, and the lower part of the activated carbon fixed bed is provided with a discharging pipeline. The utility model has reasonable and compact structure, can prolong the operation period of the equipment through multi-gradient and step-by-step treatment, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Description
Technical Field
The utility model relates to the technical field of organic silicon production, and discloses a high-boiling-point silicon oil refining device.
Background
The high-boiling silicone oil is obtained by hydrolysis or alcoholysis reaction of a byproduct methyl chlorosilane high-boiling substance in the organosilicon industry and trimethyl chlorosilane. The methyl chlorosilane high-boiling residue mainly comprises disilane mixtures with structures of Si-Si, Si-O-Si, Si-C-Si and the like, and the mixtures also contain trifunctional and tetrafunctional substances, such as trimethyl trichlorosilane, dimethyl tetrachlorodisilane and the like.
The finished product of high-boiling silicone oil is obtained by removing low molecules and performing alkali washing neutralization on high-boiling silicone oil prepared by hydrolyzing or alcoholyzing methyl chlorosilane and trimethyl chlorosilane. Because the methyl chlorosilane high-boiling-point substance is a mixture of various substances, a small amount of gel can be formed during the production of the high-boiling-point silicon oil, and the prepared finished product high-boiling-point silicon oil contains moisture, is turbid in appearance, low in light transmittance, high in chloride ion content and pungent smell, and influences the quality of the high-boiling-point silicon oil. Therefore, the methyl chlorosilane high-boiling point is required to be purified to obtain the high-quality high-boiling silicone oil with high light transmittance, low acid value and no pungent smell.
Disclosure of Invention
The utility model provides a high-boiling-point silicon oil refining device which can effectively remove impurities such as small molecular gel, moisture, chloride ions, pigments and the like in high-boiling-point silicon oil.
The technical scheme of the utility model is realized by the following measures: a high-boiling silicone oil refining device comprises an adsorption resin fixed bed, an anion exchange resin fixed bed, a molecular sieve fixed bed and an active carbon fixed bed, wherein a feeding pipeline is arranged at the upper part of the adsorption resin fixed bed, a section of material pipeline is communicated with the lower discharging end of the adsorption resin fixed bed and the upper feeding end of the anion exchange resin fixed bed, a section of material pipeline is communicated with the lower discharging end of the anion exchange resin fixed bed and the upper feeding end of the molecular sieve fixed bed, a section of material pipeline is communicated with the lower discharging end of the molecular sieve fixed bed and the upper feeding end of the active carbon fixed bed, and a discharging pipeline is arranged at the lower part of the active carbon fixed bed.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the lower part of the adsorption resin fixed bed is provided with a nitrogen purging pipeline, the upper part of the adsorption resin fixed bed is provided with a gel recovery pipeline, the discharge end of the recovery pipeline is communicated with a gel storage tank, and the lower part of the gel storage tank is provided with a gel discharge pipe.
The lower part of the anion exchange resin fixed bed is provided with a regenerated liquid pipeline, the upper part of the anion exchange resin fixed bed is provided with a regenerated liquid recovery pipeline, the discharge end of the regenerated liquid recovery pipeline is communicated with a regenerated liquid storage tank, and the lower part of the regenerated liquid storage tank is provided with a regenerated liquid drainage pipe.
Valves are arranged on the feeding pipeline, the first material pipeline, the second material pipeline, the third material pipeline, the discharging pipeline, the nitrogen purging pipeline, the gel recovery pipeline, the gel discharging pipe, the regenerated liquid pipeline, the regenerated liquid recovery pipeline and the regenerated liquid discharging pipe.
The utility model has reasonable and compact structure and convenient use, can effectively remove micromolecular gel, residual water in chloride ions and silicon oil and water and pungent smell generated in the ion exchange process in the high-boiling-point silicon oil, and can effectively improve the light transmittance of the high-boiling-point silicon oil by carrying out decoloration treatment. The light transmittance of the turbid high-boiling silicone oil (the light transmittance is about 4%) before refining can reach more than 94% after refining by the device, and the high-quality high-boiling silicone oil with high light transmittance, low acid value and no pungent smell is obtained. The device can prolong the operation period of each device by multi-gradient and step-by-step treatment, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: the device comprises a fixed bed 1 of adsorption resin, a fixed bed 2 of anion exchange resin, a fixed bed 3 of molecular sieve, a fixed bed 4 of activated carbon, a feed pipeline 5, a first section material pipeline 6, a second section material pipeline 7, a third section material pipeline 8, a discharge pipeline 9, a nitrogen purging pipeline 10, a gel recovery pipeline 11, a gel storage tank 12, a gel discharge pipe 13, a regenerated liquid pipeline 14, a regenerated liquid recovery pipeline 15, a regenerated liquid storage tank 16 and a regenerated liquid discharge pipe 17.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The utility model is further described with reference to the following examples and figures:
as shown in the attached figure 1, the high-boiling silicone oil refining device comprises an adsorption resin fixed bed 1, an anion exchange resin fixed bed 2, a molecular sieve fixed bed 3 and an active carbon fixed bed 4; the upper part of the adsorption resin fixed bed 1 is provided with a feeding pipeline 5, the lower part discharging end of the adsorption resin fixed bed 1 is communicated with the upper part feeding end of the anion exchange resin fixed bed 2 to form a first section material pipeline 6, the lower part discharging end of the anion exchange resin fixed bed 2 is communicated with the upper part feeding end of the molecular sieve fixed bed 3 to form a second section material pipeline 7, the lower part discharging end of the molecular sieve fixed bed 3 is communicated with the upper part feeding end of the active carbon fixed bed 4 to form a third section material pipeline 8, and the lower part of the active carbon fixed bed 4 is provided with a discharging pipeline 9.
The high-boiling silicone oil raw material after low molecule removal and alkali washing neutralization firstly enters the adsorption resin fixed bed 1 through the feeding pipeline 5, and a small amount of micromolecular gel in the high-boiling silicone oil can be adsorbed by utilizing the higher specific surface area and the three-dimensional net-shaped structure of the adsorption resin fixed on the adsorption resin fixed bed 1. Then enters an anion exchange resin fixed bed 2, and removes the chloride ions in the high-boiling silicone oil through the ion exchange action of the anion exchange resin fixed on the anion exchange resin fixed bed 2. And the next step, the high-boiling silicone oil raw material enters a molecular sieve fixed bed 3, and the molecular sieve fixed on the molecular sieve fixed bed 3 can remove residual moisture in the high-boiling silicone oil and moisture generated in the anion exchange process on the resin. Finally enters an activated carbon fixed bed 4, and is adsorbed and decolored and removes pungent odor through activated carbon fixed on the activated carbon fixed bed 4.
The high-boiling-point silicon oil refining device can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, a nitrogen purging pipeline 10 is arranged at the lower part of the adsorption resin fixed bed 1, a gel recovery pipeline 11 is arranged at the upper part of the adsorption resin fixed bed 1, the discharge end of the recovery pipeline is communicated with a gel storage tank 12, and a gel discharge pipe 13 is arranged at the lower part of the gel storage tank 12. The fixed adsorption resin bed 1 has a nitrogen purge line 10, and the gel adsorbed by the resin is purged into a gel tank 12 by nitrogen to store the small molecule gel substance.
As shown in the attached figure 1, a regeneration liquid pipeline 14 is arranged at the lower part of the anion exchange resin fixed bed 2, a regeneration liquid recovery pipeline 15 is arranged at the upper part of the anion exchange resin fixed bed 2, a regeneration liquid storage tank 16 is communicated with the discharge end of the regeneration liquid recovery pipeline 15, and a regeneration liquid discharge pipe 17 is arranged at the lower part of the regeneration liquid storage tank 16. The anion exchange resin fixed bed 2 is provided with a regeneration liquid pipeline 14, sodium hydroxide regeneration liquid with certain concentration can be introduced to regenerate the anion exchange resin, and the regenerated regeneration liquid enters a regeneration liquid storage tank 16 through a regeneration liquid recovery pipeline 15 to be recovered.
As shown in the attached figure 1, valves are arranged on a feeding pipeline 5, a first-stage material pipeline 6, a second-stage material pipeline 7, a third-stage material pipeline 8, a discharging pipeline 9, a nitrogen purging pipeline 10, a gel recovery pipeline 11, a gel discharging pipe 13, a regenerated liquid pipeline 14, a regenerated liquid recovery pipeline 15 and a regenerated liquid discharging pipe 17.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (5)
1. A high-boiling silicone oil refining device is characterized by comprising an adsorption resin fixed bed, an anion exchange resin fixed bed, a molecular sieve fixed bed and an active carbon fixed bed; the upper part of the adsorption resin fixed bed is provided with a feeding pipeline, the lower part discharging end of the adsorption resin fixed bed is communicated with the upper part feeding end of the anion exchange resin fixed bed to form a first section of material pipeline, the lower part discharging end of the anion exchange resin fixed bed is communicated with the upper part feeding end of the molecular sieve fixed bed to form a second section of material pipeline, the lower part discharging end of the molecular sieve fixed bed is communicated with the upper part feeding end of the activated carbon fixed bed to form a third section of material pipeline, and the lower part of the activated carbon fixed bed is provided with a discharging pipeline.
2. The apparatus according to claim 1, wherein a nitrogen purge line is provided at the lower part of the fixed bed of the adsorption resin, a gel recovery line is provided at the upper part of the fixed bed of the adsorption resin, the discharge end of the recovery line is connected to a gel storage tank, and a gel discharge pipe is provided at the lower part of the gel storage tank.
3. The apparatus according to claim 1, wherein a regeneration liquid line is provided at the lower part of the anion exchange resin fixed bed, a regeneration liquid recovery line is provided at the upper part of the anion exchange resin fixed bed, the discharge end of the regeneration liquid recovery line is connected to a regeneration liquid storage tank, and a regeneration liquid discharge pipe is provided at the lower part of the regeneration liquid storage tank.
4. The apparatus according to claim 2, wherein a regeneration liquid line is provided at the lower part of the anion exchange resin fixed bed, a regeneration liquid recovery line is provided at the upper part of the anion exchange resin fixed bed, the discharge end of the regeneration liquid recovery line is connected to a regeneration liquid storage tank, and a regeneration liquid discharge pipe is provided at the lower part of the regeneration liquid storage tank.
5. The high boiling silicone oil refining device according to claim 4, characterized in that valves are provided on the feed line, the first material line, the second material line, the third material line, the discharge line, the nitrogen purge line, the gel recovery line, the gel discharge pipe, the regenerated liquid line, the regenerated liquid recovery line, and the regenerated liquid discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122082662.6U CN215741927U (en) | 2021-08-31 | 2021-08-31 | High-boiling silicon oil refining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122082662.6U CN215741927U (en) | 2021-08-31 | 2021-08-31 | High-boiling silicon oil refining device |
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| Publication Number | Publication Date |
|---|---|
| CN215741927U true CN215741927U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122082662.6U Active CN215741927U (en) | 2021-08-31 | 2021-08-31 | High-boiling silicon oil refining device |
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| CN (1) | CN215741927U (en) |
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2021
- 2021-08-31 CN CN202122082662.6U patent/CN215741927U/en active Active
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