B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/110, 28/4
B01D 39/12 (2006.01) B01D 46/04 (2006.01)
Patent
CA 1045052
ABSTRACT A particle laden gas stream is cleaned by passing it through an all metal fabric including a base with pile fibers connected to the base. The flowing gas forces the pile fibers to lie down upon each other to form a depth filter media adapted to entrap fine particles. This depth filter media is cleaned to remove entrapped particles by passing air through the fabric in a direction counter to the direction the particle laden gas flows through the fabric. Consequently, the pile fibers tend to open and extend out- wardly from the base, permitting entrapped particles to be carried by the air from the fabric. Apparatus including a tubular element made of an all metal pile fabric is also disclosed. The tubular element has associated with it one or more nozzles adapted to blow air through the fabric along an incremental portion of the tubular element. Consequently, a small portion of the fabric is cleaned while simultaneously the remainder of the fabric filters particles from the gas stream.
254005
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