In-furnace slag level measuring method and apparatus therefor

Details In-furnace slag level measuring method and apparatus therefor In-furnace slag level measuring method and apparatus therefor

1991-03-27

1993-01-26

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Determining distance

Material level within container

G01S 1308

Patent

active

051825651

ABSTRACT:
Disclosed is a in-furnace slag level measuring method for measuring a slag level in a convertor and an apparatus therefor. A sublance and an antenna of a microwaver radar are arranged exchangeable therebetween so that the sublance and the antenna are alternatively inserted in to the convertor from about the convertor. The antenna is inserted into the convertor in first and middle stage of the refining operation of the converter to thereby measure the slag level, and the sublance is inserted into the convertor to thereby perform various measurement.

REFERENCES:
patent: 3701518 (1972-10-01), Heff
patent: 3727897 (1973-04-01), Bennett
patent: 4044356 (1977-08-01), Fournier
patent: 4210023 (1980-07-01), Sakamoto et al.
patent: 4442513 (1984-04-01), Mead
patent: 4933916 (1990-06-01), May et al.

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