Lance for removing skulls from steelmaking vessels

Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – In terminal element

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Details

75 60, 266137, 266225, C21C 532

Patent

active

042302749

ABSTRACT:
Skulls which form within the upper nose section of steelmaking vessels are removed by means of a centrally located top blowing lance designed to blow at high velocity oxygen or other gases. The lance includes laterally extending ports communicating with a central relatively wide gas chamber and the gas is directed generally laterally outwardly against the inner wall of the nose section to retard or remove the skulls.

REFERENCES:
patent: 2564037 (1951-08-01), Slottman
patent: 3338570 (1967-08-01), Zimmer
patent: 3346190 (1967-10-01), Shepherd
patent: 3525508 (1970-08-01), Berry et al.
patent: 3730505 (1973-05-01), Ramacciotti et al.
patent: 3827632 (1974-08-01), Rymarchyk et al.
patent: 3960546 (1976-06-01), Rote et al.
patent: 4040819 (1977-08-01), Rounds

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