Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ALUMINA MOLTEN CAST REFRACTORY AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide an alumina molten cast refractory capable of being manufactured with a size capable of being used for a refractory lining of a glass manufacturing furnace and having less peeling of a surface layer even when used in the glass manufacturing furnace for long time.SOLUTION: There is provided an alumina molten cast refractory containing, by mass% in terms of oxide, AlOof 95.9 to 98.2%, NaO of 1.4 to 2.4%, SiOof 0.3 to 1.5%, CaO of 0 to 0.5%, and FeOof 0 to 0.2% as a chemical component and having porosity of 1.5% or less.
【課題】ガラス製造炉の炉材に使用できる大きさに製造でき、ガラス製造炉で長期間使用しても表面層の剥離の少ない、アルミナ溶融鋳造耐火物の提供を目的とする。【解決手段】化学成分として、酸化物基準の質量％表示で、Ａｌ２Ｏ３を９５．９〜９８．２％、Ｎａ２Ｏを１．４〜２．４％、ＳｉＯ２を０．３〜１．５％、ＣａＯを０〜０．５％、Ｆｅ２Ｏ３を０〜０．２％含有し、気孔率が１．５％以下であることを特徴とするアルミナ溶融鋳造耐火物。【選択図】なし
ALUMINA MOLTEN CAST REFRACTORY AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide an alumina molten cast refractory capable of being manufactured with a size capable of being used for a refractory lining of a glass manufacturing furnace and having less peeling of a surface layer even when used in the glass manufacturing furnace for long time.SOLUTION: There is provided an alumina molten cast refractory containing, by mass% in terms of oxide, AlOof 95.9 to 98.2%, NaO of 1.4 to 2.4%, SiOof 0.3 to 1.5%, CaO of 0 to 0.5%, and FeOof 0 to 0.2% as a chemical component and having porosity of 1.5% or less.
【課題】ガラス製造炉の炉材に使用できる大きさに製造でき、ガラス製造炉で長期間使用しても表面層の剥離の少ない、アルミナ溶融鋳造耐火物の提供を目的とする。【解決手段】化学成分として、酸化物基準の質量％表示で、Ａｌ２Ｏ３を９５．９〜９８．２％、Ｎａ２Ｏを１．４〜２．４％、ＳｉＯ２を０．３〜１．５％、ＣａＯを０〜０．５％、Ｆｅ２Ｏ３を０〜０．２％含有し、気孔率が１．５％以下であることを特徴とするアルミナ溶融鋳造耐火物。【選択図】なし
ALUMINA MOLTEN CAST REFRACTORY AND MANUFACTURING METHOD THEREFOR
アルミナ溶融鋳造耐火物とその製造方法
USHIMARU YUKIHIRO (Autor:in) / HAYASHI SHINYA (Autor:in) / TERAUSHI TADAO (Autor:in)
24.12.2015
Patent
Elektronische Ressource
Japanisch
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