流化床反应器的底部机构

By designing pore and gap structures at the bottom of the fluidized bed reactor, combined with a stirring paddle and cooling channels, the problem of uneven precursor diffusion was solved, achieving uniform diffusion of the precursor in the reactor and system stability.

CN121466933BActive Publication Date: 2026-07-17JIANGSU BOTAO INTELLIGENT THERMAL ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU BOTAO INTELLIGENT THERMAL ENG CO LTD
Filing Date
2025-12-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing fluidized bed reactors, the diffusion of precursors is insufficient, which easily leads to accumulation and channeling, affecting the normal progress of gas-solid phase reactions.

Method used

A bottom mechanism for a fluidized bed reactor was designed, including a bottom flange, a through-feed assembly, a pressure cap, an agitator, and a drive assembly. Uniform diffusion of the precursor is achieved through air outlets and gap structures, and the diffusion effect is accelerated by the agitator. At the same time, cooling channels and air seal structures are set to improve system stability.

Benefits of technology

This method achieves uniform diffusion of precursors within the fluidized bed reactor, avoiding accumulation and channeling phenomena, and improving reaction efficiency and system stability.

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Abstract

本发明公开了一种流化床反应器的底部机构,包括底部法兰、贯通的进料组件、贯通的压帽、搅拌桨和驱动组件,底部法兰包括贯通的主体部,以及凸伸于主体部顶面的柱形安装部,主体部的顶面凹设有弧形凹槽,安装部凸伸于弧形凹槽的中间,安装部的侧壁上均布有多个出气孔;进料组件连接于底部法兰并与其连通,包括连通出气孔并用于外接前驱体的进气孔;压帽罩设于安装部,其与弧形凹槽、安装部侧壁之间分别形成有间隙;搅拌桨设置于底部法兰上方,且部分延伸至弧形凹槽内;驱动组件连接于进料组件,其连接和驱动搅拌桨转动。本发明的底部机构能够将前驱体均匀地扩散至流化床反应器的内部,避免前驱体堆积和沟流现象。
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