Gas separation – Combined or convertible – In environmental air enclosure
Patent
1999-04-23
2000-12-19
Simmons, David A.
Gas separation
Combined or convertible
In environmental air enclosure
55481, 55483, 55485, 55486, 55487, 55488, 55525, 55DIG46, B01D 2962, B01D 3518
Patent
active
061622702
ABSTRACT:
The invention relates to a downdraft paint booth having an overspray filtering system integral with the floor grates, and to the floor grate filters themselves. The grates have a load bearing frame portion having enclosed within it an integral or removable recyclable filter. The filter is preferably metallic and of a construction that will withstand baking in a high temperature oven to reduce captured overspray particles to an inert ash. Alternatively, the combination floor grate filters may be cleaned of paint residue by immersion in a suitable solvent or chemical bath. The floor grate filters will have 95-99% efficiency at removing airborne particulates. Secondary filters may be used after the combination floor grate filters to remove any final over-spray passing the filters. Typically, the floor grate fillers will go through five to ten cleaning cycles before he secondary filters would need replacement.
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Nystrom Kenneth A.
Sheppard James B.
Gehr Keith D.
N.S.Technologies Inc.
Pham Minh-Chau T.
ReamsGoodloe R.
Simmons David A.
LandOfFree
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