Electrostatic separator

Patent · Tue May 13 04:00:00 EDT 1986

OSTI ID:5581033

Gillingham, G R; Rothman, J C

An apparatus is described for cleaning a flow of particulate-laden gas, which consists of: (a) a housing having a gas inlet for receiving particulate-laden gas and a gas outlet for discharging clean gas, the housing having an inner wall forming a passageway axially extending from the gas inlet to the gas outlet to permit a flow of gas therethrough; (b) electrode means suspended axially in the passageway of the housing; (c) voltage means electrically connected to the electrode means of the housing at a voltage differential sufficient to cause a corona discharge at the charging element for charging particulate located in the charging chamber and sufficient to subject particulate located in the collecting chamber to an electrostatic force, whereby the particulate is forced outwardly towards the housing; (d) support means for supporting the electrode means in the housing; (e) vortex means within the passageway of the housing intermediate of the collecting chamber and the gas inlet for imparting a rotating motion to the gas flow, whereby particulate is forced outwardly toward the inner wall; (f) scavenge means within the passageway of the housing for separating particulate and agglomerated masses of particulate from the gas flow; (g) particulate removing means for removing particulate collected on the inside of the porous inner wall of the housing.

• Assignee: Donaldson Co., Inc., Minneapolis, MN
• Patent Number(s): US 4588423
• OSTI ID: 5581033
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
424000* -- Engineering-- Pollution Control Equipment-- (1980-1989)
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION ABATEMENT
CORONA DISCHARGES
DESIGN
DIELECTRIC MATERIALS
ELECTRIC DISCHARGES
ELECTRIC POTENTIAL
ELECTRODES
ELECTROSTATIC PRECIPITATORS
ELECTROSTATIC SEPARATION
EQUIPMENT
FLUID FLOW
GAS FLOW
MATERIALS
MECHANICAL STRUCTURES
PARTICLES
PARTICULATES
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
POROSITY
SEPARATION PROCESSES
SUPPORTS
VORTEX FLOW
WALLS
WIRES