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process for catalytic cracking in a fluidised bed and device containing a vortex in the third separation stage
process for catalytic cracking in a fluidised bed and device containing a vortex in the third separation stage
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机译:在第三分离阶段中在流化床中催化裂化的方法和包含涡旋的装置
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摘要
Horizontal, small diameter cyclones are disclosed. Gas and fines are added tangentially around a clean vapor outlet tube in a cylindrical cyclone. A vortex of solids and some gas passes into a contiguous and axially aligned cylindrical vortex containment means from which solids are withdrawn via a horizontal slot. 0-5 micron particle removal is enhanced. An FCC process uses the cyclones as a third stage separator. An alternative design uses a half pipe extension on the solids outlet to confine the vortex of solids and gas.
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