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 stockrod.
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。
2
A novel, simple and reliable control method is presented to resolve reverse ruler and slackline problems caused by acceleration during falling down of stockrod in blast furnace.
为解决高炉探尺放尺过程中加速度所造成的倒尺和松绳问题，提出了一种新颖、简单、可靠的控制方案。
3
Machining principle, main processes of connecting rod splitting decomposition and requirements of splitting decomposition on material and forging stock are dictated.