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- Title
Drying Characteristics of a Combined Drying System of Low-Pressure Superheated Steam and Heat Pump.
- Authors
Yao, Yuan; Lu, Zhenneng; Gong, Yulie; Guo, Song; Xiao, Chupeng; Hu, Wenbo
- Abstract
The present study aimed at investigating the use of a drying system combining the concept of low-pressure superheated steam drying and heat pump drying for fish. The effects of various drying medium pressures on the temperature field, airflow field, drying time, equipment performance as well as the power consumption of the drying process were investigated and discussed. Four comparative tests with different initial pressures were carried out according to a specified drying process by the combined drying system. The results showed that when the vacuum was high, the temperature field and airflow field in the drying chamber were more uniform. Due to the poor heat transfer performance of the drying medium at high vacuum, the drying time increased with a decrease in initial pressure. It was also found that with the decrease in drying medium pressure, the power consumption of the heat pump and the axial fans was reduced, while the power consumption of the electric heater went up. Overall, the total power consumption is directly proportional to the drying medium pressure.
- Subjects
HEAT pumps; ELECTRIC power consumption; SUPERHEATED steam; HEAT transfer
- Publication
Processes, 2022, Vol 10, Issue 7, pN.PAG
- ISSN
2227-9717
- Publication type
Article
- DOI
10.3390/pr10071402