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FAR INFRARED RAY DRYING MACHINE EQUIPPED WITH PROTECTOR FOR MATTER TO BE DRIED AND FAR INFRARED RAY DRYING METHOD
FAR INFRARED RAY DRYING MACHINE EQUIPPED WITH PROTECTOR FOR MATTER TO BE DRIED AND FAR INFRARED RAY DRYING METHOD
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机译:装有要干燥的保护剂的远红外线干燥机和远红外线干燥方法
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摘要
PURPOSE:To protect from overheating and damage due to heating by a method wherein a drying machine is equipped with the supplying device of steam, which supplies steam into a drying furnace upon stopping, interrupting or starting the drying of matters to be dried, and a discharging device, discharging the supplied steam. CONSTITUTION:Far infrared ray emitting bodies 2, made of ceramics, are provided at the ceiling part and the bottom part of the inside of a drying furnace 1 and matters 3 to be dired are transferred from the entrance 11 of the matters to be dried into the drying furnace 1 continuously. Upon stopping or interrupting the transfer, a steam supplying valve 6 is opened to supply steam from the steam supplying port 8 of a steam pipeline 7 and diffuse it uniformly into the drying furnace 1 while a discharging fan 5 is operated at the same time. According to this operation, heated steam is induced uniformly from a discharging port near the matters 3 to be dried and is discharged out of a duct 10. Upon stopping the drying, the steam supplying valve 6 is closed and, then, the discharging fan 5 is stopped after the temperature of the far infrared ray emitting body 2 is reduced to a temperature which never affects the matters 3 to be dried. Accordingly, the overheating and the damage due to heating of the matters 3 to be dried can be prevented.
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