| 摘要 |
PROBLEM TO BE SOLVED: To provide a draft drier capable of creating drying environment of desired capacity at all times only by properly increasing and decreasing the number of tray accommodating units. SOLUTION: This draft drier 1 comprises an air-blower unit 2 for blowing the drying air, the tray accommodating units 3 for accommodating trays having dried articles at intervals in multiple stages, and a duct unit 4 for forming a draft circulation passage between the air-blower unit 2 and the tray accommodating unit 3. The air-blower unit, the tray accommodating units 3 and the duct unit 4 are movable bodies. At least two or its multiple number of tray accommodating units 3 are prepared. Front sides of the tray accommodating units 3, 3 are respectively connected to an air-blower port 5 side and an air returning port 6 side of the air-blower unit 2. The duct unit 4 is connected to rear sides of the tray accommodating units 3, 3 to form a circulation air passage returning to the air blower unit 2 through the air blower unit 2, one of the tray accommodating units 3, the duct unit 4 and the other tray accommodating unit 3. COPYRIGHT: (C)2005,JPO&NCIPI
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