| 摘要 |
A relatively simple fabric drying apparatus achieving high energy efficiency and fast drying at low temperature to be gentle to fabrics. This fabric dryer recirculates air, causing the air to make several passes by the fabrics. Recirculation provides high energy efficiency by ensuring that the air is nearly saturated with water before leaving the dryer; therefore, less energy is wasted heating the air. The present invention's recirculating air is directed upward. Since the flow of recirculating air is directed upward toward the fabrics as they fall downward in the drum, air speed relative to the fabrics is maximized, and the fabrics' fall time increases. Drying time is shortened, because the high air speed past the fabrics means fast water removal; the lengthened fall time of the fabrics also helps speed water removal because the fabric surfaces are more exposed to the drying air while falling.
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