Preheated trough for molten metal transfer

Details Preheated trough for molten metal transfer Preheated trough for molten metal transfer

1984-03-22

1985-07-30

Rutledge, L. Dewayne

Metallurgical apparatus

Treating vessel with distinct molten material holding means,...

266196, 266231, 266236, F27B 1900

Patent

active

045317178

ABSTRACT:
A covered trough for conveying molten metal, wherein the trough includes a channel of refractory material within a metal shell, and the cover includes a layer of refractory insulation to reduce heat loss and means for preheating the trough such as a gas-fired radiant heater. Adjacent trough modules are joined together in an abutting end-to-end fashion, so that metal may flow between modules, by resilient joining means which elongate or contract to absorb differences in thermal expansion between parts of each trough module, to avoid the build up of large thermal stresses which might cause premature failure of the refractory parts.

REFERENCES:
patent: 3525506 (1970-08-01), Harry, Jr. et al.
patent: 3863907 (1975-02-01), Pierson, Sr. et al.
patent: 4355788 (1982-10-01), La Bate

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