Nozzle assembly for a metallurgical furnace

Details Nozzle assembly for a metallurgical furnace Nozzle assembly for a metallurgical furnace

1983-12-12

1985-02-05

Rutledge, L. Dewayne

Metallurgical apparatus

Means for introducing fluent into vessel, e.g., tuyere

Having means preventing damage to introducing means, e.g.,...

239114, C21B 716

Patent

active

044974752

ABSTRACT:
A nozzle assembly constituting a burner or blowing nozzle includes, in the region of the discharge opening thereof, a piston-like member which is displaceable by an actuating means into a position of blocking off the discharge opening thereby to prevent same from becoming clogged by slag or metal splashed thereon. When the assembly is mounted in the wall of a metallurgical furnace, the piston-like member may also be adapted to close off the opening in the wall, which communicates with the nozzle assembly, in order also to keep the wall opening open. At least a part of the piston-like member may be caused to oscillate or at least the part thereof which is towards the interior of the furnace may comprise or be coated with a scale-resistant material or may be coated with a material that is difficult to wet.

REFERENCES:
patent: 294684 (1884-03-01), Schulze-Berge
patent: 1647052 (1927-10-01), Osolin
patent: 1835838 (1931-12-01), Anderson, Jr.
Newton, "Extractive Metallurgy", John Wiley and Sons Inc. 1959, pp. 260-263.

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