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.
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.
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。
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