Development & Application of Taphole Clay for 4350m^3 Blast Furnace

To satisfy the service conditions of TISCO 4 350 m^3 blast furnace and the requirements to taphole clay, the study on the taphole clay for large blast furnace was carried out. The taphole clay with good workability, opening ability and high-temperature performance was prepared by optimizing raw materials, grain size distribution, binder selection, etc. The trail application in TISCO 4 350 m^3 blast furnace showed that the newlydeveloped taphole clay had a satisfactory performance.

Development of Anhydrous Taphole Clay for Blast Furnace

The application state of anhydrous taphole clay in China and overseas was introduced. The characters and requirements of starting materials of anhydrous taphole clay. for blast furnace, and the formulation and properties of anhydrous taphole clay in some plants were mentioned. The environment problems of anhydrous taphole clay were discussed and the developing trend was pointed out.

高性能有水炮泥的开发与应用

在分析炮泥侵蚀机理及影响炮泥质量的因素的基础上,开发了高性能有水炮泥。高炉使用这种高性能有水炮泥后,铁口合格率由以前的83％提高到100％。

高炉出铁口半石墨炭-碳化硅组合砖的研制

研制开发的高炉出铁口用半石墨炭—碳化硅组合砖具有良好的导热性、抗热震性、耐碱性、抗剥落性、抗铁水和熔渣的冲刷性,该组合砖已在近10座高炉使用,实践结果表明,出铁口深度稳定,开堵铁口容易,没有煤气泄漏现象产生。

太钢4350m^3高炉用炮泥的研制与应用

针对太钢新建4 350 m3高炉的使用条件和对炮泥使用性能的要求,从耐火原料的选择、原料粒度组成的优化、结合剂的选取等方面进行了研究,研制出一种具有较好作业性能、开口性能和高温使用性能的炮泥,并在太钢新建4 350 m3高炉上进行了实际应用试验,使用效果完全满足要求。