Production of metallurgical coke

C - Chemistry – Metallurgy – 10 – B

Patent

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Details

C10B 49/02 (2006.01) C10B 49/00 (2006.01) C10B 53/04 (2006.01) C10B 53/08 (2006.01) C10B 57/00 (2006.01) C10B 57/10 (2006.01) C10L 5/00 (2006.01) C10L 5/02 (2006.01) C10L 5/04 (2006.01) C10L 5/08 (2006.01)

Patent

CA 2475475

A process and plant for producing metallurgical coke is disclosed. The process comprises rapidly drying coal particles in an inert atmosphere, and maintaining the particles, once dry, in an inert atmosphere. The dried particles are then compressed into a briquette without addition of a binder. The briquette is heated to a temperature between 1000~C and 1400~C for a period of between 1 and 5 hours to produce metallurgical coke.

La présente invention concerne un procédé et une usine de production de coke métallurgique. Selon ce procédé, on fait sécher rapidement des particules de charbon dans une atmosphère inerte, et on maintient les particules, une fois sèches, dans une atmosphère inerte. Les particules séchées sont alors compressées sous forme de briquettes sans ajout de liant. Les briquettes sont alors chauffées à une température comprise 1000 ·C et 1400 ·C pendant 1 à 5 heures de façon à produire du coke métallurgique.

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