Method and apparatus for compacting coal for a coal coking...

C - Chemistry – Metallurgy – 10 – B

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C10B 47/10 (2006.01)

Patent

CA 2652607

Relatively high speed methods for increasing the bulk density of coal particles, apparatus for increasing the bulk density of coal particles and methods for making metallurgical coke. Once such method includes depositing coal particles onto a charging plate external to a coking oven to provide an elongate bed of dry, uncompacted coal having an upper surface of the charging plate. The charging plate has side walls, and at least one movable end wall An impact pressure is applied to the upper surface of the bed of dry, uncompacted coal while degassing the coal to provide a dry, compacted coal bed having a bulk density ranging from about 960 to about 1200 kilograms per cubic meter.

L'invention concerne des procédés à relativement grande vitesse pour augmenter la masse volumique en vrac de particules de charbon, un dispositif pour augmenter la masse volumique en vrac de particules de charbon et des procédés pour fabriquer du coke métallurgique. Un procédé de ce type comprend le dépôt de particules de charbon sur une plaque de chargement située à l'extérieur d'un four de cokéfaction pour produire un lit allongé de charbon sec non compacté présentant une surface supérieure de la plaque de chargement. La plaque de chargement comprend des parois latérales, et au moins une paroi d'extrémité mobile. Une pression d'impact est appliquée à la surface supérieure du lit de charbon sec non compacté tout en dégazant le charbon pour produire un lit de charbon sec compacté dont la masse volumique en vrac est comprise entre environ 960 et environ 1200 kilogrammes par mètre cube.

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