A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SUBMERGED NOZZLE FOR CONTINUOUS CASTING OF STEEL
To provide a submerged nozzle for continuous casting of steel, which is highly effective for alumina adhesion prevention.SOLUTION: In a submerged nozzle for continuous casting of steel according to the present invention, a nozzle operation surface brought into contact with at least molten steel is partially or wholly made of a refractory material that is composed of 55-80 mass% of calcium zirconate-based raw material, 5-15 mass% of magnesia-alumina spinel raw material, 5-20 mass% of alumina raw material and 5-35 mass% of carbon raw material.SELECTED DRAWING: Figure 1
【課題】本発明の目的は、アルミナ付着防止効果の高い鋼の連続鋳造用浸漬ノズルを提供することにある。【解決手段】本発明の鋼の連続鋳造用浸漬ノズルは、少なくとも溶鋼と接するノズル稼働面の一部または全部が、ジルコン酸カルシウム系原料５５〜８０質量％、マグネシア−アルミナ質スピネル原料５〜１５質量％、アルミナ質原料５〜２０質量％、カーボン質原料５〜３５質量％からなる耐火材料から構成されることを特徴とする。【選択図】図１
SUBMERGED NOZZLE FOR CONTINUOUS CASTING OF STEEL
To provide a submerged nozzle for continuous casting of steel, which is highly effective for alumina adhesion prevention.SOLUTION: In a submerged nozzle for continuous casting of steel according to the present invention, a nozzle operation surface brought into contact with at least molten steel is partially or wholly made of a refractory material that is composed of 55-80 mass% of calcium zirconate-based raw material, 5-15 mass% of magnesia-alumina spinel raw material, 5-20 mass% of alumina raw material and 5-35 mass% of carbon raw material.SELECTED DRAWING: Figure 1
【課題】本発明の目的は、アルミナ付着防止効果の高い鋼の連続鋳造用浸漬ノズルを提供することにある。【解決手段】本発明の鋼の連続鋳造用浸漬ノズルは、少なくとも溶鋼と接するノズル稼働面の一部または全部が、ジルコン酸カルシウム系原料５５〜８０質量％、マグネシア−アルミナ質スピネル原料５〜１５質量％、アルミナ質原料５〜２０質量％、カーボン質原料５〜３５質量％からなる耐火材料から構成されることを特徴とする。【選択図】図１
SUBMERGED NOZZLE FOR CONTINUOUS CASTING OF STEEL
鋼の連続鋳造用浸漬ノズル
HAYASHI I (author) / OKAWA YUKIO (author) / MATSUNAGA TAKAYUKI (author)
2020-06-04
Patent
Electronic Resource
Japanese
NOZZLE REFRACTORY FOR CONTINUOUS CASTING, AND NOZZLE FOR CONTINUOUS CASTING
| European Patent Office | 2017