Furnaces – Arch or roof structure – Planar surface area
Patent
1982-01-07
1984-08-07
Yuen, Henry C.
Furnaces
Arch or roof structure
Planar surface area
521271, 52249, 52486, 110331, 110336, 110339, 266280, 432247, F23M 506
Patent
active
044636890
ABSTRACT:
A suspended nose construction for high temperature furnaces providing refractory replacement from the cold side of the refractory has a plurality of wedge-shaped refractories arranged to form a wedge row along the length of the nose adjacent, on at least one side, a plurality of rectangular-shaped refractories arranged to form a straight row along the length of the nose. The converging sides of the wedge-shaped refractories converge toward the cold side of the refractory. Both the wedge refractories and the rectangular refractories are suspended in pairs by suspension means from an exterior support structure, the suspension means and support structure providing space allowing removal of the refractories in pairs from the cold side of the nose construction. The suspended nose construction according to this invention provides for removal and replacement of a small number of refractories in the nose without disturbing the major portion of the nose construction. The suspended nose construction of this invention provides for replacement of nose refractories from the cold side of the furnace enabling continued operation of the furnace during most nose repairs.
REFERENCES:
patent: 1582275 (1926-04-01), Kellner
patent: 1636603 (1927-07-01), Hamilton
patent: 2158759 (1939-05-01), Morlock
Merkle Engineers Inc.
Speckman Thomas W.
Warner Steven E.
Yuen Henry C.
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