| 摘要 |
PROBLEM TO BE SOLVED: To provide a suspended ceiling structure of an atmosphere furnace capable of decreasing probability of troubles caused by thermal expansion/thermal contraction of a ceiling refractory by eliminating factors preventing smooth movement at a contact portion, of ceiling metal hangers. SOLUTION: Pipe materials 6, 12 of upper and lower two stages, as the ceiling metal hangers are disposed at a lower part of a supporting beam 2 and at an upper part of the ceiling refractory 4 in a state of intersecting with each other, and an anchor brick metal hanger 6 suspending the ceiling refractor 4 is hooked at a side of the upper pipe material 6 through a plurality of anchor bricks 5. COPYRIGHT: (C)2007,JPO&INPIT
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