Radiation thermometer for molten iron and method for measuring t

Thermal measuring and testing – Temperature measurement – Of molten metal

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374140, 374208, G01K 112, G01K 114, G01J 510

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active

051802287

ABSTRACT:
A radiation thermometer for measurement of the temperature of molten iron includes a probe tube with a sealed bottom in the form of a spheroidal shape and is made of zirconium boride ceramics. The probe tube is immersed in molten iron and radiation emitted from the spheroidal closed end of the probe tube is received by a sensor at the far end of the tube which is above the level of the molten iron. The spheroidal end of the probe tube is below the surface of molten iron by more than 10 times the inner radius of the probe tube.

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patent: 4737038 (1988-04-01), Dostoomian
patent: 4770544 (1988-09-01), Mossey
patent: 5064295 (1991-11-01), Thill et al.
Current Advances in Materials and Processes, vol. 2, No. 5, 1989, p. 1446, pp. 17-19, Yoshihiko Tarumi.

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