Measuring lance for molten metal such as steel

Details Measuring lance for molten metal such as steel Measuring lance for molten metal such as steel

1975-05-14

1977-01-11

Swisher, S. Clement

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73DIG9, G01K 1312

Patent

active

040020690

ABSTRACT:
An improved measuring lance to be inserted into a bath of molten metal, for example, molten steel, is disclosed having thermocouples on its tip end and in its receptacle chamber, respectively. The lance is provided with means to discharge air from inside a cover for a thermocouple in a receptacle chamber. A deoxidation chamber made of steel may be provided in the lance. Means to spray gas from around the connector of the lance may also be provided. These means assure accurate measuring of the temperature, composition, etc. of the bath.

REFERENCES:
patent: 2999121 (1961-09-01), Mead
patent: 3055961 (1962-09-01), Robertson
patent: 3460393 (1969-08-01), Putnam
patent: 3463005 (1969-08-01), Hance
patent: 3559452 (1971-02-01), Perbix
patent: 3685359 (1972-08-01), Boron et al.
patent: 3709040 (1973-01-01), Coe

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