通过优化工艺操作，改善了溅渣护炉的效果，简要介绍强化炉型控制等技术管理措施，提高了30 t氧气顶吹转炉炉龄。
The measures in technical management for the strengthening furnace type control ectare briefly introduced, the furnace life of 30t oxygen top blowing converter has been increased.
根据冶炼厂生产的迫切需要，研制成国内首创的USG—2型50吨转炉炉口清理机。
According to the Urgent requirement of smelter production, the USG2model 50t cleaning machine for converter outlet, which is the first one in China, was developed.
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