System and process for drying loose bulk material
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United States of America Patent
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Aug 25, 2020
Grant Date -
Apr 11, 2019
app pub date -
Feb 17, 2017
filing date -
Feb 19, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An energy efficient a drying system and process using heated, dry air. The system includes an air inlet, a heat pump evaporator unit, a heat pump condenser unit, a drying unit, a heat exchanger unit, a fan, and air channels for transport of airflow from the air inlet through the system. The fan causes air to flow into the air inlet through the heat pump evaporator unit and to maintain an airflow through the system. The heat pump evaporator unit is configured to use a refrigerant to absorb heat from air that flows into the system through the heat pump evaporator unit. The heat pump condenser unit is configured to release the heat absorbed at the evaporator to the airflow. The heat exchanger unit is arranged to transfer heat from the airflow leaving the drying unit to the cold, dehumidified air flowing from the heat pump evaporator unit.
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