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REFRACTORY FOR CONVERTER BOTTOM BLOWING TUYERE
PROBLEM TO BE SOLVED: To provide a refractory for converter bottom blowing tuyere high in durability.SOLUTION: There is provided a refractory for converter bottom blowing tuyere consisting of a component composition of MgO:5 to 60 mass%, AlO-MgO spinel:30 to 70 mass% and C:10 to 30 mass%, all amount of the AlO-MgO spinel has a particle diameter of 1 mm or more and contains no single AlO.SELECTED DRAWING: Figure 1
【課題】耐用性の高い転炉底吹き羽口用耐火物を提供する。【解決手段】ＭｇＯ：５〜６０ｍａｓｓ％、Ａｌ２Ｏ３−ＭｇＯスピネル：３０〜７０ｍａｓｓ％、Ｃ：１０〜３０ｍａｓｓ％の成分組成からなり、上記Ａｌ２Ｏ３−ＭｇＯスピネルは、その全量が１ｍｍ以上の粒径を有するものであって、単体Ａｌ２Ｏ３は含まない転炉底吹き羽口用耐火物。【選択図】図１
REFRACTORY FOR CONVERTER BOTTOM BLOWING TUYERE
PROBLEM TO BE SOLVED: To provide a refractory for converter bottom blowing tuyere high in durability.SOLUTION: There is provided a refractory for converter bottom blowing tuyere consisting of a component composition of MgO:5 to 60 mass%, AlO-MgO spinel:30 to 70 mass% and C:10 to 30 mass%, all amount of the AlO-MgO spinel has a particle diameter of 1 mm or more and contains no single AlO.SELECTED DRAWING: Figure 1
【課題】耐用性の高い転炉底吹き羽口用耐火物を提供する。【解決手段】ＭｇＯ：５〜６０ｍａｓｓ％、Ａｌ２Ｏ３−ＭｇＯスピネル：３０〜７０ｍａｓｓ％、Ｃ：１０〜３０ｍａｓｓ％の成分組成からなり、上記Ａｌ２Ｏ３−ＭｇＯスピネルは、その全量が１ｍｍ以上の粒径を有するものであって、単体Ａｌ２Ｏ３は含まない転炉底吹き羽口用耐火物。【選択図】図１
REFRACTORY FOR CONVERTER BOTTOM BLOWING TUYERE
転炉底吹き羽口用耐火物
HOSOHARA SEIJI (author) / IIDA ATSUHISA (author) / YOSHIOKA HIROKI (author)
2017-09-07
Patent
Electronic Resource
Japanese
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