FIELD: mining.
SUBSTANCE: unit comprises a furnace with an outlet for gaseous products, the heat exchanger comprising a pipeline located in a container which is made with the ability to unload burnt rock from the furnace to it. The furnace is made heat-insulated, and the container is filled with liquid and is provided with the means of transporting the rock from the rock loading zone to the container to the zone of unloading.
EFFECT: increased heat-availability factor produced from combustion of low-calorie coal-containing wastes.
3 cl, 1 dwg
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