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A separation device and method for effectively separating siloxane in the production of organosilicon monomer

A separation method and siloxane technology, which are applied in the directions of immiscible liquid separation, silicon organic compounds, etc., can solve problems such as unimplemented industrial production, and achieve the effects of simple structure, production cost saving, and easy method.

Active Publication Date: 2015-11-11
浙江中天东方氟硅材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The relevant domestic literature is basically a theoretical removal method, which has not been implemented in industrial production

Method used

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  • A separation device and method for effectively separating siloxane in the production of organosilicon monomer
  • A separation device and method for effectively separating siloxane in the production of organosilicon monomer
  • A separation device and method for effectively separating siloxane in the production of organosilicon monomer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: Such as figure 1 , A separation device for effectively separating siloxane in the production of organic silicon monomers, including a hydrolysis first layerer 1, an intermediate tank 2, an intermediate pump 3, a plate phase separator 4, a filter 5, and a neutralization collector 6 , Fiber bed phase separator 7, hydrochloric acid storage tank 8, and interface regulating valve 9. The first hydrolysis layer 1 is connected to the intermediate tank 2; the intermediate tank 2 is connected to the plate phase separator 4 through two intermediate pumps 3, and the two intermediate pumps 3 are connected in parallel; the plate phase The upper end of the separator 4 is connected to the neutralization collector 6 through an interface regulating valve 9, and the lower end of the plate phase separator 4 is connected to the fiber bed phase separator 7 through two filters 5, and the two filters 5 are connected Connected in parallel; the upper end of the fiber bed phase separato...

Embodiment 2

[0031] Example 2: Such as figure 2 , A separation device for effectively separating siloxane in the production of organic silicon monomers, including a hydrolysis first layerer 1, an intermediate tank 2, an intermediate pump 3, a plate phase separator 4, a filter 5, and a neutralization collector 6 , Fiber bed phase separator 7, hydrochloric acid storage tank 8, and interface regulating valve 9. The first hydrolysis layer 1 is connected to the intermediate tank 2; the intermediate tank 2 is connected to the plate phase separator 4 through three intermediate pumps 3, and the three intermediate pumps 3 are connected in parallel; the plate phase The upper end of the separator 4 is connected to the neutralization collector 6 through an interface regulating valve 9, and the lower end of the plate phase separator 4 is connected to the fiber bed phase separator 7 through two filters 5, and the two filters 5 are connected Connected in parallel; the upper end of the fiber bed phase sep...

Embodiment 3

[0039] Example 3: Such as image 3 , A separation device for effectively separating siloxane in the production of organic silicon monomers, including a hydrolysis first layerer 1, an intermediate tank 2, an intermediate pump 3, a plate phase separator 4, a filter 5, and a neutralization collector 6 , Fiber bed phase separator 7, hydrochloric acid storage tank 8, and interface regulating valve 9. The first hydrolysis layer 1 is connected to the intermediate tank 2; the intermediate tank 2 is connected to the plate phase separator 4 through three intermediate pumps 3, and the three intermediate pumps 3 are connected in parallel; the plate phase The upper end of the separator 4 is connected to the neutralization collector 6 through an interface regulating valve 10, and the lower end of the plate phase separator 4 is connected to the fiber bed phase separator 7 through three filters 5, and the three filters 5 are connected Connected in parallel; the upper end of the fiber bed phase...

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PUM

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Abstract

The invention relates to a separation device and method for effectively separating oxosilane during organic silicon monomer preparation. The separation device comprises a first hydrolysis layering device, an intermediary tank, intermediary pumps, a plate type phase separator, filters, a neutral collector, a fibrous bed phase separator, a hydrochloric acid storage tank and an interface adjusting valve. The separation device combines the unique fibrous bed phase separator and the plate type separator for separation, the content of oxosilane in the hydrochloric acid is reduced to below 20ppm; the maximum recycling of oxosilane in the hydrochloric acid is realized; the separation device is simple in structure, and the method is convenient and feasible; continuous feeding operation can be realized; large amount of settling time which impacts the operation of the main device is not desired and the production cost is saved.

Description

Technical field [0001] The invention relates to an organosilicon monomer production device and process, in particular to a separation device and method for effectively separating siloxane in the production of organosilicon monomer. Background technique [0002] At present, the domestic organosilicon monomer hydrolysis process mainly adopts azeotropic acid hydrolysis process. Due to the continuity of the production process, the standing time is limited, and the stirring of the reactor during the production process causes the siloxane droplets to disperse, so the separation of the standing and sedimentation The accuracy is poor, and the separated hydrochloric acid still contains a lot of siloxane. According to the measurement, the content of siloxane in the hydrochloric acid is about 0.25% under normal operation. Large domestic organic silicon manufacturers such as Xin'an Chemical, Jiangxi Xinghuo, Hesheng, etc., the siloxane in the acid is treated by large tank sedimentation. The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/02C07F7/20
Inventor 邵向东杨庆红吉兰平王鑫
Owner 浙江中天东方氟硅材料股份有限公司