The Stamped Coal Nanoblend Coking: Law Regulation and Industrial Technology Development Features

The obtained coke was subjected to destructive forces for the realization of cracks by dropping it 4 times from a height of 1 m onto a metal plate, after which the coke was calibrated on sieves with round holes with a diameter of 70,60, 50,40,25 and 10 mm. Based on the results of screening, the yield of individual size classes was calculated. The amount of coal with size ${\lt}0.5 \mathrm{~mm}$ in the coal blends was 48.3-58.0 % due to the addition of float concentrate and sludge, which contained up to 90% coal with size ${\lt}0.5 \mathrm{~mm}$. A comprehensive study of the coking raw material base components properties was carried out. Based on this, several options for coal blend composition were developed and experimentally tested. The coal nanoblend during stamping, in addition to meeting the general requirements for obtaining high-quality coke, must have sufficient stamping capacity. Compositions of coal blends have been developed, which make it possible to obtain a stamped cake with the required strength and high-quality coke on mastered designs of coke oven batteries. Proposed requirements for stamped coal nanoblend for coking chambers of increased height. It is justified that to increase the height of the furnace for coking the stamped blend, a proportional increase in the strength of the stamped cake is necessary. This ensures the stability of the cake when it is loaded into the coking chamber and prevents complications in the furnace’s operation.