Trichlorosilane reactor

A trichlorosilane and reactor technology, applied in the direction of halosilane and silicon halide compounds, can solve the problems of low production efficiency, easy burning loss, high cost, etc., so as to improve service life, avoid local burning loss, reduce The effect of equipment cost

Inactive Publication Date: 2012-07-18
兰州兰石四方容器设备有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned traditional trichlorosilane reactor, such as high cost, easy to burn out, and low production efficiency

Method used

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  • Trichlorosilane reactor
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  • Trichlorosilane reactor

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Embodiment Construction

[0021] Now in conjunction with accompanying drawing, this trichlorosilane reactor is specifically described as follows:

[0022] Reference attached figure 1 , through process calculation, design analysis, and cost comparison, the material of the main shell 1 of the equipment is changed from the original 0Cr18Ni10Ti to the more economical 15CrMoR material; the silicon powder feed port 2 is moved from the middle to the top; the water jacket 3 is added On the outer surface of the main shell 1; the gas distributor 4 is added above the air inlet 5; the water jacket 3 is formed by welding and sealing the jacket cylinder 7, the inner cylinder 6 and the connecting pipe 8.

[0023] During the operation of the equipment, the reaction gas is introduced from the mixed gas inlet 5, and then enters the equipment after being uniformly dispersed by the gas distributor 4; the silicon powder is added from the silicon powder feeding port 2, and the process of free falling realizes the dispersion...

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Abstract

The invention provides a trichlorosilane reactor, overcoming the disadvantages that in the prior art, cost is over high, burning loss failure is easy to occur, and production efficiency is low. The trichlorosilane reactor comprises a main shell 1, a silicon powder inlet 2 and an air inlet 5, wherein the main shell 1 is made of a 15CrMoR carbon steel material; the silicon powder inlet 2 is located on the top of the main shell 1; a water jacket structure 3 is additionally arranged on the outer surface of the main shell 1; an air distributor 4 is added and located above the air inlet 5; and the water jacket structure 3 is formed by welding and sealing of a jacket cylinder body 7, an inner cylinder body 6 and a nozzle 8. Through arrangement of the structure, equipment cost is greatly reduced, production efficiency is improved, the use safety of the equipment is ensured, and the service life of the equipment is prolonged.

Description

technical field [0001] The invention relates to a trichlorosilane reactor used in the chemical industry. technical background [0002] The trichlorosilane reactor is a device used in the chemical industry to generate trichlorosilane. The main material of the traditionally manufactured trichlorosilane reactor is 0Cr18Ni10Ti stainless steel. The gas in the lower cone enters the equipment and directly contacts the silicon powder without effective distribution. Mix the reaction near the lower cone. This device structure has the following disadvantages: [0003] 1. The purchase cost of stainless steel materials is high and the economy is low. [0004] 2. The reaction between silicon powder and hydrogen chloride gas is an exothermic reaction, and a large amount of heat is released during the reaction process. The reaction process is not easy to control, and it is easy to cause local burning of the shell. [0005] 3. The gas in the lower cone of the trichlorosilane reactor enter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/107
Inventor 李岩张银顺窦晓涛雒永军
Owner 兰州兰石四方容器设备有限责任公司
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