Fluid bed reactor

Details Fluid bed reactor Fluid bed reactor

2010-11-17

2011-12-13

Zervigon, Rudy (Department: 1716)

Coating apparatus

Gas or vapor deposition

C118SDIG009, C156S345330, C156S345370

Reexamination Certificate

active

08075692

ABSTRACT:
Fluidized bed reactor systems for producing high purity silicon-coated particles are disclosed. A vessel has an outer wall, an insulation layer inwardly of the outer wall, at least one heater positioned inwardly of the insulation layer, a removable concentric liner inwardly of the heater, a central inlet nozzle, a plurality of fluidization nozzles, at least one cooling gas nozzle, and at least one product outlet. The system may include a removable concentric sleeve inwardly of the liner. In particular systems the central inlet nozzle is configured to produce a primary gas vertical plume centrally in the reactor chamber to minimize silicon deposition on reactor surfaces.

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