PROBLEM TO BE SOLVED: To provide a low temperature dry warehouse for providing low humidity air by small electric power without lowering the temperature more than necessary.;SOLUTION: An air duct 16 is incorporated with a dehumidifier 11 having the reversible moisture absorbing-releasing function, an air blower 12 for ventilating air to the dehumidifier 11, a heating means 13 for raising the temperature of air passed through the dehumidifier 11, and a cooling part 28 of Peltier element 14 for cooling the air passed through the dehumidifier 11; and is constituted in an outer shell 15; and constitutes a dehumidifying passage having a suction port 17 and a blowout port 19 communicating with the inside of a drying chamber 1 with the air duct 16 as a passage, and a regenerating passage having a suction port 18 and a blowout port 20 connected to the outside of the drying chamber 1 with the air duct 16 as the passage. The dehumidifying passage and the regenerating passage are alternately communicated and cut off by an opening-closing damper mechanism 14; and are constituted so as to alternate dehumidifying operation by the air blower 12, the dehumidifier 11, and the Peltier element 14 and regenerating operation by the air blower 12, the heating means 13, and the dehumidifier 11.;COPYRIGHT: (C)2005,JPO&NCIPI
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