Apparatus for preheating material to be charged into steel makin

Details Apparatus for preheating material to be charged into steel makin Apparatus for preheating material to be charged into steel makin

1979-05-31

1981-02-10

Rosenberg, P. D.

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

By means recycling exhaust gas

75 60, 75 61, C21C 538

Patent

active

042497213

ABSTRACT:
A preheating apparatus comprises a transfer duct connected to a dust collecting combustion chamber for steel making equipment, a hood fitting to the duct and shiftable to the position of one of preheating pits selectively, a bucket removably placed in each of the preheating pits and having an exhaust gas passage in its interior and openable bottom means at its bottom, and a communicating duct for holding each of the pits in communication with an outlet duct of the combustion chamber. The material to be charged into steel making equipment is placed into the bucket and preheated with exhaust gas from the combustion chamber. The apparatus assures savings in energy, improved safety and enhanced heat exchange efficiency.

REFERENCES:
patent: 3231369 (1966-01-01), Gorlich
patent: 3357820 (1967-12-01), Rasworshegg
patent: 3998626 (1976-12-01), Baum

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