| 摘要 |
PROBLEM TO BE SOLVED: To provide a furnace structure reducing heat dissipation from an external wall and improving heat efficiency, without requiring excessive investment in the facility or causing the structure to become complex. SOLUTION: This furnace structure constituted for the inside of a furnace 1 includes a fire-resistant layer 2, disposed on the side of the inside of furnace 1 and is constituted of a fire-resistant material 12; a heat-insulating layer 3 disposed outside of the fire-resistant layer 2 and composed of a heat-insulating material 13; a metallic external wall 4, disposed outside the heat-insulating layer 3; and a metallic attachment (Y-stud 5) supported by the heat-insulating layer 3, while projecting to the inside of furnace 1 side of the heat-insulating layer 3 and holding the fire-resistant material 12 to the heat-insulating layer 3. The heat-insulating material 13 has a locking groove 20 capable of locking the Y-stud 5, and the Y-stud 5 is supported by the heat-insulating layer 3, with a space with respect to the external wall 4 by being locked in the locking groove 20. COPYRIGHT: (C)2010,JPO&INPIT
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