FIELD: conveyors.
SUBSTANCE: screw contains a unit for withdrawing a high-temperature gaseous working agent, a unit for supplying a high-temperature gaseous working agent with a temperature of 650°C and a unit for partial grinding of the transported product.
EFFECT: simultaneously with the transportation of the product, its partial grinding is ensured, direct contact between the high-temperature gaseous working agent and the transported product is excluded during the transfer of thermal energy.
1 cl, 4 dwg
