Process for monitoring a continuous casting mold in operation

Details Process for monitoring a continuous casting mold in operation Process for monitoring a continuous casting mold in operation

1982-10-14

1985-07-16

Goldberg, Howard N.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164454, 164450, G01F 2328, B22D 1106

Patent

active

045290296

ABSTRACT:
A process for monitoring continuous casting molds is presented. A primary coil coaxially surrounding the continuous casting mold is powered with currents whose Fourier analysis includes several frequencies. Several secondary coils are also arranged coaxially between the primary coil and the mold and surround the mold. The secondary coils are placed around the liquid metal pool level region, with the secondary coil in the lowest location being located beneath the pool surface at all times and serving as a reference coil. The differences between the Fourier components of the signals measured on the various secondary coils and the reference coil are taken, related to the intensities in the primary coil, and analyzed by magnitude or phase. By comparison of the various signals, the presence of liquid metal or slag, the temperature prevailing in the particular region of the mold wall, are determined.

REFERENCES:
patent: 3456715 (1969-07-01), Freedman et al.
patent: 4279149 (1981-07-01), Block

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