FIELD: pulp-and-paper industry. SUBSTANCE: apparatus has fans and heat pump unit including evaporator, compressor, throttle valve and condenser. Apparatus is further equipped with heater and steam turbine or electric engine. Steam turbine or electric engine provides operation of compressor. Light hydrocarbon refrigerant is used as working fluid in evaporator. EFFECT: simplified heat recuperation process, increased efficiency and improved ecological safety. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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