Oxygen lance assembly

Details Oxygen lance assembly Oxygen lance assembly

1977-05-09

1978-04-11

Dost, Gerald A.

Metallurgical apparatus

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

By means introducing treating material

C21C 532

Patent

active

040835430

ABSTRACT:
A steelmaking oxygen lance assembly includes a top support member having oxygen and water inlet and outlet pipes. The support member includes a connector plate assembly provided with slots communicating with the pipes. A second connector plate assembly with similar slots is clamped to the first connector plate by quick releasable securing members with the slots in registry. The support head includes an upper oxygen pipe that projects downwardly into a sleeve supported on the second connector plate assembly to provide a slip joint.
A lower oxygen pipe on the second connector plate assembly includes an upper enlarged tubular portion in sliding engagement with the sleeve with a lower enlarged portion of the upper oxygen pipe. The arrangement includes a vent chamber in the slip joint and positive venting through the second connector plate assembly.
The sleeve assembly is provided with an inwardly directed flange which provides a support to suspend the lower oxygen pipe which is also provided with a slip joint at its lower end.

REFERENCES:
patent: 3972515 (1976-08-01), Mercatoris

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