Method and apparatus for detecting molten metal surface level in

Details Method and apparatus for detecting molten metal surface level in Method and apparatus for detecting molten metal surface level in

1981-07-06

1984-09-11

Godici, Nicholas P.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164156, 164452, B22D 1116, B22D 4600

Patent

active

044704461

ABSTRACT:
A method for detecting a molten metal surface level in a casting mold, comprises inserting an electrode in a slag constituting a layer under a flux floating on the surface of the molten metal, detecting a change of electric resistance due to a temperature gradient of the place at which the electrode is inserted, displacing the electrode to bring the detected value to be always constant within a range of from 5 to 50 .OMEGA., and measuring the degree of the displacement of the electrode thereby detecting the surface level of the molten level. An apparatus for carrying out the method is also disclosed.

REFERENCES:
patent: 2290083 (1942-07-01), Webster
patent: 3677333 (1972-07-01), Crowell
patent: 3692091 (1972-09-01), Saxer

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