Silicon tetrachloride hydrogenation reactor introducing microcirculation distribution structure
The technology of a hydrogenation reactor and silicon tetrachloride is applied in the directions of halogenated silicon compounds, halogenated silanes, etc., which can solve the problems of large number of low-speed fluidized bubbles and large back-mixing degree, limited one-pass conversion rate, and high comprehensive energy consumption. Achieve the effect of increasing the gas-solid contact area, improving the single-pass conversion rate, and optimizing the internal structure
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[0017] The present invention will be further explained below with the accompanying drawings, which are drawn to illustrate the present invention and do not limit the specific application form of the present invention.
[0018] The present invention is a silicon tetrachloride hydrogenation reactor with microcirculation distribution structure, such as figure 1 Shown: Including silicon powder inlet 1, hydrogen inlet 2, silicon tetrachloride inlet 3, gas distribution plate 4, post-reaction gas outlet 5, heat exchange tube bundle 6, filter tube bundle 7, and elliptical head 8 , Horizontal baffle 9, heat conduction oil inlet 10, heat conduction oil outlet 11, side slit cone cap 12, gas pre-distributor 13, lower cone section 14, cylindrical shell 15, variable diameter section 16, catalyst particles and metallurgical grade The bed 17 formed by mixing silicon powder, the hollow pipe 18 of the heat exchange tube and the jacket 19 of the heat exchange tube. After the metallurgical grade sil...
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