Method and apparatus for the determination of the oxygen content

Details Method and apparatus for the determination of the oxygen content Method and apparatus for the determination of the oxygen content

1974-11-07

1976-01-13

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

75 60, G01N 3320

Patent

active

039321355

ABSTRACT:
An immersible probe for determining the oxygen content of a steel bath, having a disposable tip that contains aluminum, calcium, magnesium, titanium, zirconium or a rare earth metal that reacts exothermically with the bath oxygen to cause a temperature rise whose magnitude is proportional to bath oxygen content. In preferred embodiments, the probe tip captures a predetermined volume of the molten metal in a chamber having a closure of the metal of the bath which accordingly melts and exposes the chamber when the probe tip has penetrated beneath the slag. Plural chambers, one with oxidizable metal and one without, may be provided for precise comparison.

REFERENCES:
patent: 3188180 (1965-06-01), Holler
patent: 3279888 (1966-10-01), Holler
patent: 3661559 (1972-05-01), Horvath et al.

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