Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1984-07-25
1986-05-13
Lacey, David L.
Gas separation
Means within gas stream for conducting concentrate to collector
55120, 55127, 55138, 55146, 55148, 55431, B03C 312, B03C 314, B03C 380
Patent
active
045884234
ABSTRACT:
An apparatus (10) for cleaning a flow of particulate-laden gas is disclosed. The apparatus (10) has a housing (11) having a gas inlet (15) and a gas outlet (16) to permit a flow of gas through the housing (11). Suspended inside the housing (11) is an electrode element (20) having a charging element (26) which defines with the housing (11) a charging chamber (31) adjacent the gas inlet (15) and having an electrostatic force element (25) which defines with the housing (11) a collecting chamber (32) adjacent the gas outlet (16). The electrode element (20) is maintained at a voltage differential from the housing (11) for charging particulate in the charging chamber (31) and subjecting charged particulate in the collecting chamber (32) to an electrostatic force, whereby charged particulate is forced outwardly toward the housing (11) and removed from the gas flow. In yet another embodiment, a helical vane structure (33) is mounted in the housing (11) at the gas inlet (15), whereby the particulate in gas is subjected to a centrifugal force and forced outwardly towards the housing (11), the centrifugal force cooperating with the electrostatic force to enable efficient removal of particulate from a flow of particulate-laden gas.
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Bulletin No. 1200-240, "STB Strata Engine Air Systems", Donaldson Company, Inc., 1974.
Gillingham Gary R.
Rothman James C.
Donaldson & Company, Inc.
Lacey David L.
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