Coke blended with Russian coal and production method thereof
The invention provides coke blended with Russian coal and a production method thereof, and relates to the technical field of coking coal blending, the Russian coal and other coking coal are blended according to the following weight percentage: 15%-20% of Russian coal, 20%-35% of meager lean coal, 0-...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides coke blended with Russian coal and a production method thereof, and relates to the technical field of coking coal blending, the Russian coal and other coking coal are blended according to the following weight percentage: 15%-20% of Russian coal, 20%-35% of meager lean coal, 0-15% of lean coal, 15%-25% of 1/3 coking coal, 0-18% of gas coal, 5-25% of fat coal and 0-15% of coking coal; the quality indexes of the blended coal meet the following requirements: the active-inert ratio is 1.0-1.4, the MCI value is less than or equal to 4, and the G value is more than or equal to 60. According to the invention, large-proportion application of the Russian coal is realized, the produced coke has CRI of less than or equal to 28% and CSR of more than or equal to 64%, and other indexes meet the requirements of national standard first-grade coke; the proportion of low-cohesiveness inferior coal such as meager lean coal is expanded, and the coal blending cost is reduced.
本发明提供了一种配用俄罗斯煤的焦炭及其生产方法,涉及炼焦配煤技术 |
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