Tundish nozzle assembly block with elevated and slanted opening

Details Tundish nozzle assembly block with elevated and slanted opening Tundish nozzle assembly block with elevated and slanted opening

1994-04-12

1995-03-14

Kastler, Scott

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

266275, B22D 4150

Patent

active

053971051

ABSTRACT:
A two-piece tundish nozzle assembly block is provided for the drain regions of tundish vessels. The two-piece assembly block includes a lower main block firmly mounted in the refractory lining of the tundish, and a selectively removable top sleeve which, together with the refractory lining, protects the lower main block from direct exposure to molten iron or steel. The top sleeve is directly exposed to molten iron or steel passing into the drain. The top sleeve is not strongly bonded in place, and can be easily removed and replaced when worn or damaged. The top sleeve further includes a ramp for channeling molten metal into the drain, and a blocking wall for preventing heavy inclusions from entering the drain.

REFERENCES:
patent: 2190296 (1940-02-01), Richardson
patent: 3333746 (1966-05-01), Cope et al.
patent: 3511261 (1970-05-01), Bick et al.
patent: 3549061 (1970-12-01), Piene
patent: 3934755 (1976-01-01), Rheinlander et al.
patent: 4079869 (1978-03-01), Meier et al.
patent: 4096976 (1978-06-01), Daussan
patent: 4268015 (1981-05-01), Luhrsen et al.
patent: 4776502 (1988-10-01), Hagenburger et al.
patent: 5044533 (1990-10-01), King

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