In-furnace slag level measuring apparatus

Details In-furnace slag level measuring apparatus In-furnace slag level measuring apparatus

1991-03-27

1992-05-19

Barroon, Jr., Giberto

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

Determining distance

Material level within container

342130, 342145, 342205, G01S 1328

Patent

active

051152428

ABSTRACT:
Disclosed is an in-furnace slag level measuring apparatus having a microwave radar for measuring a slag level in a convertor or the like. The level of a transmission signal or a reception signal is adjusted in accordance with the level of a detection signal so that the signal level in the microwave radar is adjusted to be constant. Further, the level measurement value and the detection signal are inputted and the level measurement values obtained in a predetermined time are subjected to averaging operation. In the averaging operation, when the detection signal is smaller than a set point, the averaging operation is performed while disregarding the level measurement value at that time.

REFERENCES:
patent: 3614785 (1971-10-01), Kratzer
patent: 4044356 (1977-08-01), Fournier
patent: 4241347 (1980-12-01), Albanese et al.
patent: 4442513 (1984-04-01), Mead
patent: 4758839 (1988-07-01), Goebel et al.
patent: 4933916 (1990-06-01), May et al.

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