Device for extracting particulate materials of a fluidized bed from the fluidization enclosure
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United States of America Patent
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-
Sep 1, 1992
Grant Date -
N/A
app pub date -
May 16, 1990
filing date -
May 19, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device has an opening provided through a side wall of the fluidization enclosure and a tube extends outside a enclosure and substantially perpendicular thereto. A duct is connected substantially perpendicularly to the tube and extends downwards. A piston is slidably mounted in sealed manner inside the tube to slide between a first position in which it constitutes a panel closing the opening and a second position in which it at least partially uncovers the opening of the duct into the tube, and control means for controlling displacement of the piston inside the tube.
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