Electric arc heater having outlet gas admission

Electric heating – Heating devices – Electric arc-type devices

Patent

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Details

219121P, 373 18, H05B 718

Patent

active

045544352

ABSTRACT:
An electric arc heater having outlet gas admission. The mounting flange of an electric arc heater has a channel extending about its circumference which is enclosed by a detachably fastened plate to form a manifold. A passageway for the material to be admitted is provided between an outer surface of the mounting flange and the manifold. A plurality of peripherally spaced passageways are provided in the plate intermediate the manifold and the flow path of the arc heated gas exiting the arc heater outlet providing for the uniform distribution of the added material into the arc heated gas. By varying the position of these passageways a broad range of admission paths ranging from substantially parallel to the flow path of the arc heated gas to substantially perpendicular can be achieved without the use of additional downstream admission collars and seals. An annular gap can be provided between the plate and flange intermediate the peripherally spaced passageways and the flow path of the arc heated gas, the gap width controlling the flow rate of the material being added, preferably at sonic velocity.

REFERENCES:
patent: 3839618 (1974-10-01), Muehlberger
patent: 4042802 (1977-08-01), Fey
patent: 4127760 (1978-11-01), Meyer
patent: 4214736 (1980-07-01), Wolf
patent: 4219726 (1980-08-01), Meyer

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