Livestock facility ventilation exhaust air dust removal system
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United States of America Patent
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Jun 24, 2003
Grant Date -
Mar 27, 2003
app pub date -
Sep 24, 2002
filing date -
Sep 25, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A livestock facility exhaust system to remove a majority of the dust and other such odorous airborne particulate material from air exhausted by power ventilation equipment from a livestock confinement building and without a significant increase in static pressure within the ventilation system. This is accomplished by a free standing enclosure of high strength air permeable material supported by a hoop structure around the exhaust end of the containment building of the livestock facility. Exhausted air enters the enclosure and is temporarily contained therein. Air circulates around impaction surfaces in the enclosure that promote precipitation of airborne particulates from the air stream. A discharge opening is located at or near the top of the enclosure. Exhaust air rid of most of the airborne particulates moves upward and out through the opening. The enclosure also serves to deflect outside wind from the fan orifices which helps to maintain fan performance.
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