| 摘要 |
PROBLEM TO BE SOLVED: To provide a drying device capable of increasing the amount of dried objects dried in drying treatment at a time by uniforming the temperature distribution of a drying chamber. SOLUTION: The drying device D comprises a chamber wall 2 forming the drying chamber 1 in which raw plaster molds 10 serving as the dried objects are arranged; an air supply device 20 for supplying heated air into the drying chamber 1; and an exhaust device 40 exhausting heated air in the drying chamber 1 as exhaust from the drying chamber 1. The chamber wall 2 has a bottom wall 3 and a top wall 4 facing with the molds 10 held between in a vertical direction. The air supply device 20 comprises guide blades 37, 38 for guiding the heated air flowing into the drying chamber 1 from air supply ports 27, 28 arranged closer to the bottom wall 3 side in a vertical direction so that the heated air flowing into the drying chamber 1 from the air supply ports 27, 28 forms spiral flows B1, B2 heading toward the top wall 4 while swirling in spiral shape in the drying chamber 1. COPYRIGHT: (C)2008,JPO&INPIT
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