FIELD: drying equipment.
SUBSTANCE: invention is related to devices for drying coals. The installation for drying fine coals based on a heat pump consists of a receiving hopper, a belt conveyor on which coal moves, a drying chamber, breaker filters, a heating system and a supply of a drying agent. The heating and drying agent supply system consists of a heat pump and a heater. The heat pump includes an evaporator configured to dehumidify the air recirculated in the system. The heat pump also includes a condenser configured to heat the air. The air heater is configured to additionally heat the air before it is fed back into the drying chamber.
EFFECT: increase in the energy efficiency of coal drying.
1 cl, 1 dwg, 2 ex
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