Process for injecting brown coal or lignite into a blast...

Details Process for injecting brown coal or lignite into a blast... Process for injecting brown coal or lignite into a blast...

C - Chemistry, Metallurgy

21

B

53/44

C21B 13/02 (2006.01) C21B 5/00 (2006.01)

Patent

CA 1129655

ABSTRACT OF THE INVENTION A process for injecting fine-grain brown coal or lignite into a blast furnace through tuyere arches thereof provides that the initial speed at which the coal dust after leaving the supply conduit therefor moves towards the centre of the blast furnace hearth is substantially lower than the speed at which the hot blast is blown into the furnace.

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