Abstract
In order to increase the usage of semi-soft coking coal and the productivity in cokemaking, a novel process of charging only briquettes into a conventional slot-type coke oven was studied from the viewpoint of productivity, coke quality and coke pushing. Coal briquette charging process can increase the productivity and coke quality compared to powder charging. Larger size briquettes made from coal blends having lower caking property are favorable from the viewpoint of enhancing productivity. Pushing performance of coke cake generated from coal briquette charging process depends on the experimental conditions and in some cases still leaves rooms for improvement. Larger size briquettes are favorable from the viewpoint of making coke cake structure rigid enough for normal pushing.
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