Ring-gap nozzle and its application in a fluidized bed dryer
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United States of America Patent
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-
Mar 11, 1986
Issued Date -
N/A
app pub date -
Jun 19, 1985
filing date -
Aug 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ring-gap nozzle for distributing a fluid medium over a plate, for instance over a bottom plate in a fluidized bed dryer, having two dish-shaped pressed parts suiting to each other complementarily being assembled in facing relationship and nested into each other and forming a ring gap through which the medium, deflected by 90.degree. or more, flows to the bottom plate, preventing both the settling of the product to be treated in the fluidized bed dryer on the plate as well as the reflux of the product backwardly into the nozzle when the flow of medium is cut off. This type of nozzle is simple to manufacture and does close the passage without any complicated manipulation automatically.
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