Burner Tile Installation Recommendations for hard refractory lined furnaces
Supplement DF-M1
Scope – These instructions are intended as a general guide for installing round or square burner tiles in hard refractory lined furnaces. Specific instructions for irregular shaped tiles outside the scope of this discussion should be obtained from the burner manufacturer. Tile length – Normally, ideal length for a burner tile is such that its hot face surface is flush with the inside surface of the furnace after installation. However, standard length tiles can usually be installed in furnace walls thicker or thinner than tile length if installed within the following guidelines.
2. (Figure 1B) For furnace walls thinner than tile length: Generally, a burner tile may extend beyond the inside furnace wall up to 1". Extensions greater than 1" should be supported on a mantel or by a metal jacket (if within temperature limitations). Consider also increasing the furnace wall thickness in port area on the outside of the furnace to make tile hot face flush with inside wall.
1" max. (most burners) ½ " max (Flat Flame™ Burners)
(Refer to Figure 1.)
1. (Figure 1A) For furnace walls thicker than tile length: Wall opening, with inside dimensions to accommodate tile outside dimensions, may usually be extended up to one additional tile length, after which port should be flared with at least a 60° included angle extending to the inside furnace wall.
burner tile
furnace wall (thinner than tile length)
dimension must not exceed " L "
tile length " L "
Figure 1B
3. Hot face of Flat Flame Burner tiles must be flush or no more than ½" extended beyond inside wall. Burners must be recessed into or extended out from outside wall to accommodate this requirement.
burner port tunnel port
burner tile (except flat flame)
60°
furnace wall (thicker than tile length) Figure 1A Figure 1. Tile length relationship to furnace wall thickness.
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