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US4419834A Treating fluidized material 失效
处理流化物质

Treating fluidized material
摘要:
A fluidized bed apparatus for treating particulate material comprising a foraminous support such as a perforate plate, a screen, or the like, gas supply means to supply a fluidizing gas beneath said support and a plurality of movable flights above said support adapted to sweep fluidized material along the support. The apparatus is useful for obtaining controlled residence time of materials being treated within an enclosed treating chamber.
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