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镁铝尖晶石钢包砖在西宁特钢等钢厂长期使用，滑动水口系列在本钢等一些钢厂使用效果很好。
Mg-Al spinel ladle brick in Xining Special Steel for long-term use, such as steel, sliding gate series in the Benxi steel mill and other good results.
对狭缝式透气砖在大型精炼钢包中的损毁原因进行了分析，热应力和强大的冲刷磨损作用是两个主要因素。
The wear reason of slit purging plug used in the large refining ladle has been analyzed in detail in the paper, that is the thermal stress and strong erosion and abrasion.
调整耐火材料的选用及配比，加入部分减水剂、锆英石，提高了钢包烘烤器烧嘴砖的使用寿命。
Properly adjusting selection of materials and reasonable ratio, and adding additives, we can improve using time of burner refractory brick during ladle heating.
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