Lance hoisting and skull detecting apparatus for basic oxygen st

Details Lance hoisting and skull detecting apparatus for basic oxygen st Lance hoisting and skull detecting apparatus for basic oxygen st

1979-01-22

1981-01-27

Lewis, Michael L.

Metallurgical apparatus

With control means responsive to sensed condition

With means supplying a treating agent

266226, C21C 532

Patent

active

042470862

ABSTRACT:
A pair of cables are employed to raise and lower the lance of a basic oxygen steelmaking furnace. A centrally suspended equalizer bar is connected between the cables and a load detector is connected to the bar to sense the weight of a lance being hoisted. The detector functions to sense the build up of a slag skull on the lance.

REFERENCES:
patent: 1217334 (1917-02-01), Nelson
patent: 3386722 (1968-06-01), Brooks et al.
patent: 3708159 (1973-01-01), De Bray
patent: 3734218 (1973-05-01), Krupper

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