High pressurering-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
2
The reasons of frequently pressurering ignition loss are analysed of 25mva electric furnace, and the structure is improved, the applied result is very well.
分析了25 MVA封闭电炉压力环频繁烧损的原因,并对其结构进行了改进,使用后效果良好。
3
Adopting linearity disperse control technique, position ring, pressurering, rate ring, current ring constitute the more closed loop pressure regulate system.