| 摘要 |
PROBLEM TO BE SOLVED: To provide a furnace body structure capable of suppressing a burner attachment portion of a furnace wall from being damaged by a flame or the like in a furnace.SOLUTION: In a cave 3a which is formed to penetrate a longitudinal wall 3 of a furnace including a furnace shell 1 covering an outer circumference and made of steel and an inner wall portion 2 provided inside the furnace shell 1 and formed of a flocculent ceramic heat insulation material, and to which a flame blow port of a burner 4 is attached, a cave member 5 formed of a ceramic fiber compact molded to shield a flame blown from the burner 4 from the inner wall portion 2 and to include a flame through space S through which the flame passes is provided. |
