System for the sampling in an enclosure of solid particles in a fluidized bed
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United States of America Patent
Stats
-
Aug 8, 1989
Grant Date -
N/A
app pub date -
Oct 21, 1988
filing date -
Oct 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a sampling method and apparatus for a fluidized bed of particles in an enclosure, comprising a sampling riser pipe (4) that communicates with the enclosure (1) below the upper surface of the fluidized bed and forms an extension thereof and has a restriction (5) adapted to limit the sampling flow rate, and means (14, 15) provided for injecting a compressed gas at an adjustable flow rate into the pipe (4) between the enclosure (1) and the restriction (5) with a view to controlling, by appropriate regulation of the flow rate of the gas, the quantity of particles withdrawn.
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- Non-US Classification not provided for expired patents
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Patent Citation Ranking
- Citation Ranking not provided for expired patents
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