| 摘要 |
An air-cooled and grout sealed-off refractory furnace roof is provided in the form of assembled panels having aligned rows of tile members that are handled as pallet groups to facilitate storage, shipping and furnace mounting. The panels are carried in a suspended relation from overhead metal structure by a vertical to horizontal extending assembly of metal hangers that include vertically supported cross-extending horizontal arms or yokes having secondary hanger members at each of their ends that are in the form of U-shaped members that are provided with spaced-apart latching slot portions along their opposed walls for detachably suspending tile-carrying hanger castings therefrom. A bottom closing member is associated with each U-shaped member which is mounted in such a manner as to lock the hanger castings in position within the latching slot portions. Diagonally or cross-extending locking pins or rods are employed for tying the tile members of the rows together and for locking the hanger castings in position with respect to the tile members being suspended thereby. Filling material is used for sealing-off the joints between panels of tile members and over the upper surface of the roof assembly. This facilitates a circulatory movement of cooling and dust removing air along the upper reaches of the assembled tile members.
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