Abstract: A process of producing metal from a metal ore containing metal oxides includes the steps of: obtaining a reducing gas containing at least one of carbon and hydrogen from solid substances containing at least one of carbon and hydrocarbons; bringing the ore into reaction contact with the reducing gas in a metallurgical blast furnace; and injecting a comminuted, fluidized plastics material into a blast current in a hearth region of the blast furnace, the plastics material comprising an agglomerate including plastics particles having a particle size substantially between 1 mm and 10 mm.
Type:
Grant
Filed:
August 18, 1995
Date of Patent:
June 30, 1998
Assignee:
Stahlwerke Bremen GmbH
Inventors:
Hans De Haas, Joachim Janz, Horstmar Mohnkern, Manfred Voss