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U.S. Department of Energy
Office of Scientific and Technical Information

Process for injecting brown coal into a blast furnace

Patent ·
OSTI ID:6219295
In a process for injecting fine-grain brown coal or lignite into a blast furnace through tuyere arches thereof, the initial speed at which coal dust, after leaving the supply conduit, moves towards the center of the blast furnace hearth is substantially lower than the speed at which the hot blast is blown into the furnace.
Assignee:
Acieries Reunies De Burbach-Eich-Dudelange, Luxembourg; Rheinische Braunkohlewerke Ag (Germany, Federal Republic Of)
Patent Number(s):
US 4266968
OSTI ID:
6219295
Country of Publication:
United States
Language:
English