Apparatus for preheating a reactor feed

Details Apparatus for preheating a reactor feed Apparatus for preheating a reactor feed

1993-08-20

1995-12-12

Andrews, Melvyn

Metallurgical apparatus

With means to preheat gas

By heat generating means

266141, 266155, 266172, 266186, C21B 1302

Patent

active

054742803

ABSTRACT:
A method and apparatus for preheating a reactor feed, comprised of an iron ore (10) and a process gas (21), in an iron carbide process for making steel is provided. The apparatus comprises a process gas preheater (40) having a furnace (56) and a heat exchanger (58). The process gas (21) is heated uniformly in tubes (117) of furnace (56) by burners (100). Excess heat generated by furnace (56) is captured by heat exchanger (58) and used to preheat combustion air (61) and ore (10).

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patent: 5137566 (1992-08-01), Stephens, Jr. et al.
patent: 5192486 (1993-03-01), Whipp

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