Reverse-flow baghouse

Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning

Reexamination Certificate

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Details

C055S283000, C055S293000, C055S284000, C095S280000, C096S426000, C096S427000

Reexamination Certificate

active

06890365

ABSTRACT:
An apparatus and method for removing particulate from a particulate-laden gas stream are disclosed. The apparatus and method include a reverse-flow process for cleaning filter bags with a cleaning gas stream. The process includes: flowing a particulate-laden gas stream to one side of the filter bags; stopping the particulate-laden gas stream to at least one filter bag; popping the filter bag with a reverse-flow of a cleaning gas stream to remove dust from the bag; and finally re-introducing the particulate-laden gas stream to the recently cleaned filter bag at a low velocity/flow rate to prevent small particles from blowing through the recently cleaned filter bag. The apparatus and method allow the particulate-laden gas stream and cleaning gas stream to be controlled independently.

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