Airflow reducing and redirecting arrangement for industrial baghouse
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United States of America Patent
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Aug 16, 2011
Grant Date -
Jan 22, 2009
app pub date -
Jul 10, 2008
filing date -
Jul 19, 2007
priority date (Note) -
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Abstract
An air filtering unit for a factory includes: an entry duct; a flow expander section fluidly connected with the entry duct, the flow expander section including a flow distribution unit and a flow velocity reduction unit; a filter unit fluidly connected with the flow expander section, the filter unit having a plurality of filter bags, the filter bags being suspended from a tube sheet; and an exit duct fluidly connected with the filter unit. The flow distribution unit includes a series of flow distribution members positioned along a flow path, the flow distribution unit located and configured to substantially equally distribute an airstream along the length of the flow axis into a plurality of divided substreams. The flow velocity reduction unit includes a plurality of flow reduction members, each of the flow reduction members positioned and configured to confront at least one of the divided substreams and reduce the flow velocity thereof.
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