Cupola furnace system

Details Cupola furnace system Cupola furnace system

1980-11-10

1983-01-25

Andrews, M. J.

Metallurgical apparatus

With means to preheat gas

Having heat storage means, e.g., checkers, stroves

266155, 266219, 266900, 75 43, F27B 122

Patent

active

043699553

ABSTRACT:
A cupola system for production of gray iron employs otherwise wasted heat to preheat fuel, pig iron, flux and compressed air fed into a melting furnace, by diversion of melting furnace exhaust-gases through a preheating furnace containing feeding conduits for the fuel, pig iron and flux, and for the compressed air; the preheating furnace is laterally inclined downwardly from a point of exhaust to a chimney, to the melting furnace; the diverting means includes a closed, downwardly concave reflecting top over the melting furnace, and the preheating furnace has a concave roof; an important provision of the invention is employment of a maximum number of conventional size and shape tuyeres in a radial array in the melting furnace.

REFERENCES:
patent: 1476106 (1923-12-01), Rochlitz
patent: 3615353 (1971-10-01), Mahoney
patent: 4056262 (1977-11-01), Pollock et al.

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