| abstract |
(57) [Summary] [Object] To provide a drying system for an article to be dried, which is capable of producing the article to be dried in a short time and further having an adequate flavor. [Structure] A far-infrared heater 33 is provided behind the ceiling of the drying chamber 11, and heat from the far-infrared heater 33 is used to dry the drying chamber 1. 1, the air supply means 16 and the exhaust means 17 are arranged in the drying chamber 11, and the air supply means 16 introduces external air into the drying chamber 11 while the exhaust means 17 is provided. By this, the pressure in the drying chamber 11 is always maintained in a reduced pressure state, and the material to be dried in the drying chamber is heated and dried under reduced pressure while constantly introducing new air. |