The methods of steam coals usage for coke production
1998
Nowadays, high volatile bituminous coals are broadly used for metallurgical coke production in Russia. The share of such coals in the coking blend is variable from 20 to 40 % by weight. There are some coal deposits in Kuznetskii basin which have big resources of the coals with low caking tendency. The low caking properties of such coals limit of its application in coking process. At the same time the usage of low caking coals for the coke production would allow to broad up the feedstock for coke production. Preliminary tests, carried out in COAL-C`s lab shown some differences in coal properties in dependence on the size distribution. That is why the separation of well caking fraction from petrographically heterogeneous coals and its further usage in coking process may be promising. Another way of low caking coals application in coke industry is briquettes production from such coals. This method is been known for a very loner time acro. It may be divided into two possible directions of briquettes using. First is a direct coking of briquettes from the low caking coals. Another way is briquettes adding to coal blend in defined proportion and its combined coking. The possibility of applicationmore » of coal benefication methods mentioned above was investigated in present work.« less
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