Electrostatic precipitator apparatus having an improved ion gene

Details Electrostatic precipitator apparatus having an improved ion gene Electrostatic precipitator apparatus having an improved ion gene

1978-03-30

1980-12-02

Sever, Frank

Gas separation

Means within gas stream for conducting concentrate to collector

55139, 55151, 55152, 55153, 55154, B03C 312, B03C 902

Patent

active

042369002

ABSTRACT:
A multi-stage system is disclosed for removing particles from a gaseous medium and comprises an upstream precipitating stage of spaced corona discharging wires between parallel collecting plates, followed by a downstream precipitating stage having one or more electrically charged shells with flat sides generally parallel to collecting side plates for providing a uniform electric field in the medium carrying space, the sides of the shell having openings through which ions generated in the interior pass into the gaseous medium. A corona discharge apparatus inside the shell produces the ions at predictable, generally uniformly spaced locations. Alternative embodiments of the system include another stage located ahead of the upstream stage for removing the larger particles in the gaseous medium which can comprise a gravitational precipitator, a cyclone separator, a low voltage electrostatic precipitator or a low voltage ion beam generator. A further embodiment of the system includes a downstream electrostatic precipitator stage for recharging and removing particles which may become reentrained in the gaseous medium after initial collection thereof.

REFERENCES:
patent: 617618 (1899-01-01), Thwaite
patent: 1357201 (1920-10-01), Nesbit
patent: 1357466 (1920-11-01), Muller
patent: 2142128 (1939-01-01), Hoss et al.
patent: 2377391 (1945-06-01), White
patent: 2440455 (1948-04-01), White
patent: 3120626 (1964-02-01), Schweriner
patent: 3178930 (1965-04-01), Moore et al.

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