Heat-insulating casting tube for a metallurgical vessel

Details Heat-insulating casting tube for a metallurgical vessel Heat-insulating casting tube for a metallurgical vessel

1985-05-22

1987-04-28

Rutledge, L. Dewayne

Metallurgical apparatus

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

With means to discharge molten material

266287, C21C 542

Patent

active

046608087

ABSTRACT:
A heat insulating casting tube is disposed between the outlet orifice of a first metallurgical vessel and a second metallurgical vessel. One end of the casting tube has a removable and substantially leaktight engagement about a casting nozzle or an adapter forming an extension of the nozzle of the first vessel. The casting tube is formed of a material sinterable under the action of the heat of the liquid metal as it flows in the tube. A ring of refractory material is disposed on the tube end engaged on and surrounding the lateral surface of the casting nozzle or adapter. The internal surface of this ring is shaped as the lateral surface of the casting nozzle or adapter and has a substantially leaktight engagement with that lateral surface. The height of the ring is such that its bottom edge is located above the zone in which the liquid metal which is poured into the tube would be liable to come into contact with the internal surface of the tube.

REFERENCES:
patent: 4202533 (1980-05-01), Daussan et al.
patent: 4290589 (1981-09-01), Luhrsen et al.

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