Smelt spout for a recovery furance

Details Smelt spout for a recovery furance Smelt spout for a recovery furance

1995-03-24

1997-09-16

Sollecito, John M.

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

266218, 266270, 266236, 222590, 222592, C21B 714

Patent

active

056672012

ABSTRACT:
A smelt spout for a chemical recovery furnace comprises a trough of U-shaped profile fabricated as a casting in a nickel-chromium alloy containing a minor amount of niobium. A system incorporating the spout includes a cooling arrangement which delivers cooling air to the outside surface of the spout.

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patent: 5437768 (1995-08-01), Smith et al.
IN-657 cast nickel-chromium-niobium alloy for service against fuel-ash corrosion-Engineering Properties, International Nickel Company (undated).

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