Slag detecting apparatus and method

Details Slag detecting apparatus and method Slag detecting apparatus and method

1995-09-27

1997-07-22

Kastler, Scott

Metallurgical apparatus

Process

266 78, 266 80, 266 90, 266 99, C21D 1100

Patent

active

056501170

ABSTRACT:
Both an apparatus and method for detecting slag in a flow of molten metal conducted through a ladle shroud are provided. In the apparatus, first and second conductive pins are mounted beside one another in a wall of the ladle shroud, the first being in contact with the flow of molten metal, but electrically insulated from both the wall and from the second conductive pin, the second being in electrical contact both with the wall and with the flow of molten metal. A voltmeter is connected between the two conductive pins for detecting differences in the electrical potential between them as molten metal flows through the shroud. Abrupt changes in potential caused by the passage of a metal slag interface through the shroud indicate the presence of slag in the molten metal.

REFERENCES:
patent: 4160948 (1979-07-01), Tytgat et al.
patent: 4342633 (1982-08-01), Cure
patent: 4365788 (1982-12-01), Block
patent: 5375816 (1994-12-01), Ryan et al.

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