Membrane cooling system for metallurgical furnace

Details Membrane cooling system for metallurgical furnace Membrane cooling system for metallurgical furnace

1981-04-06

1984-07-03

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

432238, F27D 112

Patent

active

044583516

ABSTRACT:
A membrane cooling system for a metallurgical furnace including a single or series of individual panel sections, each section including a plurality of closely spaced cooling tubes disposed in laterally spaced relation, the tubes being arcuate and/or linear in a lengthwise direction and oriented circumferentially to define exposed inner furnace wall surfaces, spacer bar elements are disposed centrally between and extend between adjacent of the tubes to provide a trough-like recess therebetween, weldments join the spacer bar elements to the cooling tubes to form a continuous, undulating membrane surface, and retention elements are made integral with the membrane surface and extend from the hot face thereby to provide, by refractory or slag build-up, a protective and heat insulation barrier layer of generally uniform thickness to protect the panel sections and to reduce energy losses to the cooling system.

REFERENCES:
patent: 3843106 (1974-10-01), Nanjyo et al.
patent: 4206312 (1980-06-01), Kuhlmann
patent: 4207060 (1980-06-01), Zangs
patent: 4241232 (1980-12-01), Gelsing

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