To positively dry a drying object even under a bad condition such as the outside temperature being low or the humidity being high, by maximizing the characteristic of moisture divergence from the inside of the drying object and evaporation from the surface thereof by a far-infrared heater.

The far infrared drier system includes: a drying chamber 2 for storing the drying object to be dried; a far infrared heater 10 for conductively heating the drying object stored in the drying chamber 2; a circulation fan 12 for circulating air inside the drying chamber 2; a feed air unit 8 provided on a wall of the drying chamber 2 for feeding open air to the inside of the drying chamber 2; and an exhaust unit 9 for exhausting water vapor along with the air inside the drying chamber 2 to the outside of the drying chamber 2. Further, the feed air unit 8 includes a heater unit 23 for heating and drying the open air to be introduced into the drying chamber 2, and the open air to be introduced into the drying chamber 2 is passed through the heater unit 23 to be heated and dried, then is fed into the drying chamber 2.

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