The equipment cost of the heat pump drying device is mainly the heat pump part and the drying chamber part, in which the drying chamber part has the same requirements as the ordinary convection drying chamber, and there is no special requirement for air tightness and pressure bearing.

The drying device of heat pump dryer has high energy efficiency and low operating cost, and its comprehensive economy still has certain advantages.

The heat pump drying unit is suitable for marine products, vegetable dehydration, tremella, melon seeds, peanuts, fruits and vegetables, meat products, casings, tobacco leaves, leather, mushrooms, medlar, dried fruits, mosquito-repellent incense, incense, cloth, clothes, grain, dried noodles, yuba, fertilizer, wood, paper products, seeds, pasture, flue-cured tobacco and so on.