Method and apparatus for detecting molten metal surface...

Details Method and apparatus for detecting molten metal surface... Method and apparatus for detecting molten metal surface...

G - Physics

01

F

340/143

G01F 23/00 (2006.01) G01F 23/24 (2006.01)

Patent

CA 1197591

ABSTRACT OF THE DISCLOSURE 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.

381447

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