最后对交流、直流探尺系统进行了比较。
本文介绍变频器应用于高炉探尺控制系统，准确探测高炉料面。
Frequency converters were used in the control System of sounding rod of BF, which solved the problem of accuracy control of the sounding rod.
操作时采用空料线法(从炉顶打水)，回收高炉煤气，不安装特殊探尺，用风量判断料面行程。
During lowering charge level with water spraying into the blast furnace, the gas is recovered and the charge level is judged by the blast volume not by special stock rod.
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