| 摘要 |
PROBLEM TO BE SOLVED: To provide a far infrared heating device capable of reducing total temperature difference of an article to be heated.SOLUTION: In a far infrared heating device in which a far infrared radiation unit 9, an air discharge adjusting plate member 8, an air straightening plate member 5, and a blower 3 or a hot air generating machine are arranged in series viewing from an article to be heated, the air straightening plate member 5 diffuses air discharged from the blower 3 or the hot air generating machine in a space in the rear face of the air straightening plate member 5 and sends the same the whole rear face of the air discharge adjusting plate member 8 from many vent holes 6 formed in the air straightening plate member 5, the air discharge adjusting plate member 8 adjusts discharge quantity of the air passing through the vent holes 13, 14, 15 according to the site of the air discharge adjusting plate member 8 based on the positions, sizes and number of the many vent holes 13, 14, 15 formed in the air discharge adjusting plate member 8. |
