Corrosion resistant electrostatic precipitator

Details Corrosion resistant electrostatic precipitator Corrosion resistant electrostatic precipitator

1977-05-09

1978-03-07

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55DIG38, B03C 302

Patent

active

040777855

ABSTRACT:
A corrosion resistant electrostatic precipitator has an array of tubular collector electrodes with a cylindrical casing, the tubular collector electrodes and casing each having a surface resistivity of the order 10.sup.6 ohms. The walls of the collector tubes, in preferred form, are a lamina comprising, in order from the inner surface outwardly, an innermost resin impregnated with graphite followed by a conductive metal mesh, another layer of resin impregnated with graphite, a fiberglass veil (corrosion resistant barrier), a layer of fiberglass mat, a layer of fiberglass roving, another layer of fiberglass mat, another layer of fiberglass roving, and finally an outer layer of fiberglass mat. The wall of the cylindrical casing is also a lamina whose make-up is generally similar but not identical to the walls of the collector tubes. Means are provided for grounding the conductive metal mesh which is embedded in the collector walls and in the casing wall. In a preferred form, the metal mesh in the walls of the collector tubes is a 2-inch wide band wound helically on 6-inch centers, while the helically wound mesh in the wall of the casing is on 12-inch centers.

REFERENCES:
patent: 2114682 (1938-04-01), Gumaer
patent: 3750373 (1973-08-01), Olson
patent: 3918939 (1975-11-01), Hardt

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