FIELD: gas and oil production.
SUBSTANCE: mixture for blowing preliminary heated to 700-850°C containing 70 wt % of steam and 30 wt % of oxygen is supplied under layer of solid product of coal pyrolysis - burning-hot coke. Produced reducing gas containing hydrogen and carbon oxide is withdrawn and used for preliminary blowing mixture heating.
EFFECT: raised intensity of output and reduced prime cost of reducing gas, decreased consumption of coke.
2 cl, 1 dwg
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