Patent ID: 11965695
Assignee: SHUNDE POLYTECHNIC
Field: Chemical engineering (Chemistry)
Classification: CPC F | IPC F

Claim 2:
3. The control method of the closed variable-frequency heat pump drying device with the heat regenerator according to claim 2, wherein a set range of the set air humidity difference Δφ′ is from −10% to −60%; in the entire drying process, the set air humidity difference Δφ′ is a fixed value or has different values at different drying phases, which is a fixed value of −40%; a set range of the set air temperature difference ΔT′ is 1° C.-15° C.; and in the entire drying process, the set air temperature difference ΔT′ is a fixed value or has different values at different drying phases, which is a fixed value of 5° C.