Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1988-03-21
1990-01-30
Paschall, M. H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219494, 219413, 219360, 219393, 432120, 432 72, H05B 102
Patent
active
048975281
ABSTRACT:
A contaminant elimination system is disclosed which eliminates (or dramatically reduces) the contaminating components in, for example, exhaust gas from a kiln by enclosing the kiln gas venting channel and processing the exhaust gas by the contaminant eliminator system. This system includes a heating element which is disposed adjacent to the gas venting channel. The heating element is controlled to heat the kiln exhaust gas to a temperature (e.g., 1800.degree.) at which many of the contaminating gases change to a less harmful state. The heated exhaust gas is directed along a winding cooling path where metallic particles in contaminated exhaust gas compounds are plated on relatively cold condensing plates. The cooled exhaust gas is then filtered to trap substantially all remaining airborne metallic or other contaminating particles.
REFERENCES:
patent: 3794459 (1974-02-01), Meenan
patent: 4115317 (1978-09-01), Spater
patent: 4240787 (1980-12-01), Jamaluddin
patent: 4398472 (1983-08-01), Burke et al.
patent: 4431405 (1984-02-01), Eatherton
patent: 4460332 (1984-07-01), Lawler et al.
patent: 4662840 (1987-05-01), Ellison
patent: 4751886 (1988-06-01), Kopks et al.
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