Heating – Heating apparatus element having protective cooling structure – Work skid or rail structure
Patent
1979-06-18
1981-09-08
Ruehl, Charles A.
Heating
Heating apparatus element having protective cooling structure
Work skid or rail structure
138147, F27D 112
Patent
active
042882192
ABSTRACT:
A reheat furnace work supporting member has a full length support bar protruding outwardly from precise locations on each of its opposite sides. The support bars extend the full length of the portion of the member which is to be insulated. A sectioned refractory barrier is suspended on the member by metal hangers which rest on the support bars. A method is also disclosed which includes providing a horizontal member having support bars positioned accurately on its opposite sides by preparation of the member outside a reheat furnace, then installing the member in the furnace where a refractory barrier having downwardly extending metal hangers can be attached quickly and easily at proper locations anywhere along the length of the member without requiring welding inside the furnace.
REFERENCES:
patent: 2436452 (1948-02-01), Schmidt
patent: 2482878 (1949-09-01), Schmidt
patent: 3169754 (1965-02-01), O'Reilly
patent: 3329414 (1967-07-01), Greaney
patent: 3781167 (1973-12-01), Ahonen
patent: 4182609 (1980-01-01), Hovis et al.
J. E. Foldessy "Precast Refractory Covering for Reheating Furnace Skid Rails"-Disclosure #66-2, Design Engineering (Chicago)-Dec. 1966.
Gana John
Torlay Dwight L.
Riesmeyer, III William F.
Ruehl Charles A.
United States Steel Corporation
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