Method and system for instantaneously determining the oxygen act

Details Method and system for instantaneously determining the oxygen act Method and system for instantaneously determining the oxygen act

1971-08-12

1978-08-08

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204195S, 73 23, G01N 2746

Patent

active

041055071

ABSTRACT:
A system for determining the oxygen activity in molten metals includes a measuring probe insertable in the melt and provided with an electrochemical cell, a thermoelement, and three contact devices. The probe is mounted at the end of a measuring lance. A preamplifier mounted on the lance is connected to the contact devices and furnishes the signals received to a preamplifier which supplies signals to a calculating unit which converts the EMF of the electrochemical cell and the EMF of the thermoelement to magnitudes representing the oxygen acitivity and the temperature, which are either recorded or observed on indicators.
The measuring probe is mounted in a paper sleeve which is removable attached to the end of the lance. The electrochemical cell includes a body of solid electrolyte passing through the outer end wall of the cell and connected to one of the contact devices.

REFERENCES:
patent: 2183531 (1939-12-01), Allison
patent: 3400054 (1968-09-01), Ruka et al.
patent: 3454486 (1969-07-01), Davies
patent: 3514377 (1970-05-01), Spacil et al.
patent: 3616407 (1971-10-01), Engell et al.
patent: 3630874 (1971-12-01), Olette et al.
patent: 3645720 (1972-02-01), Imai et al.
patent: 3652427 (1972-03-01), Flood et al.
patent: 3713995 (1973-01-01), Cherkason et al.

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