System and method for assuring fluidization of a material transported in a pneumatic conveying system
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United States of America Patent
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Jul 20, 2004
Grant Date -
N/A
app pub date -
Feb 14, 2003
filing date -
Feb 14, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a system for pneumatically conveying a bulk particulate material including a first conduit formed of a gas permeable material, a second conduit formed of an impermeable material encompassing and spaced from the first conduit, a plurality of partition walls disposed between said conduits and spaced along the lengths thereof providing a plurality of plenums, means connectable to a first source of gas under pressure for injecting a gas under pressure into said first conduit to impel material deposited therein and second means connectable to a second source of gas under pressure for supplying gas under pressure into said plenums to fluidize material flowing through the first conduit, a system for declogging the second conduit consisting of means connected to a source of gas under pressure operable for selectively supplying the plenums with bursts of gas under pressure for dislodging material deposited in said apertures of the first conduit.
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