水口砖是镶嵌在盛钢桶底部座砖中的耐火材料质钢水流出口。不浇注时水口砖和塞头砖呈线接触，保证不漏钢。水口砖上口是弧面形，便于开启、关闭水口及减小钢水流动的阻力，下段是直线段以稳定注流。
本发明的滑动水口砖抗 钢水侵蚀和抗热震性能好，使用寿命长。
The slide gate nozzle brick has the advantages of good molten steel resistance, thermal shock resistance, and long service life.
本文对引进的用于有色浇注的小型锆质水口砖进行了显微结构分析。
The microstructures of small nozzle bricks introduced from abroad for nonferrous metal casting were analyzed.
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.
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