Method of optimizing the collection efficiency of an electrostat

Details Method of optimizing the collection efficiency of an electrostat Method of optimizing the collection efficiency of an electrostat

1982-03-05

1983-11-22

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 5, 55 8, 55 10, 55106, 55 20, 364551, B03C 300

Patent

active

044166710

ABSTRACT:
A method of optimizing the collection efficiency of a dry-process electrostatic precipitator which is preceded by an evaporative cooler, wherein liquid is sprayed into the evaporative cooler at a rate which is controllable to maintain a desired temperature includes the steps of intermittently measuring the dew points of acid separately and setting the desired temperature T.sub.c in dependence on the measured dew point of acid and a preselected margin of safety .DELTA.T, in accordance with T.sub.c =T.sub.s +.DELTA.T, determining a desired input current I.sub.c for the electrostatic precipitator at T.sub.c and storing I.sub.c, and continuously calculating the deviations of the actual input current I of the precipitator from the desired input current I.sub.c and initiating the measurement of the dew point T.sub.s of acid in response to a predetermined deviation to update the desired temperature T.sub.c.

REFERENCES:
patent: 1909825 (1933-05-01), Hahn et al.
patent: 3704569 (1972-12-01), Hardison et al.

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