| 摘要 |
An industrial furnace with insulating walls and roof comprising side-by-side pre-formed panels each including a plurality of ceramic insulating modules. The roof modules are suspended by a structure comprising a support grid embedded in situ in the ceramic module. The grid includes four holding rods each parallel to the corresponding side of the module. Hanger rods are attached to the grid at the corners thereof, and extend out from the module to pass through holes in the furnace roof member where the rods are secured in place by nuts. The module may also carry electric heating coil embedded in situ in the ceramic material adjacent the surface thereof facing the furnace interior.
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