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1. 发明专利

JP2012036064A Alumina-carbon unfired brick for lining molten metal holding furnace, method for producing the same, and furnace equipment and construction method using the same 有权
标题翻译：用于内衬金属保持炉的氧化铝碳纤维砖及其制造方法及其设备及使用其的构造方法
公开(公告)号：JP2012036064A
公开(公告)日：2012-02-23
申请号：JP2010180344
申请日：2010-08-11
申请人： Kurosaki Harima Corp , Nippon Steel Corp , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： MISHIMA MASAAKI , HOKII TOSHIYUKI , WAKITA TAMOTSU , KONO KOJI , IMAGAWA HIROSHI , MATSUI TAKESHI
IPC分类号： C04B35/103 , B22D41/02
摘要： PROBLEM TO BE SOLVED: To inhibit a hydration reaction in a spinel added alumina-carbon unfired brick, to enhance corrosion resistance to various slags and hot strength, and to improve thermal conductivity maintaining characteristics so as to reduce heat loss by release from a molten metal holding furnace.SOLUTION: The alumina-carbon unfired brick for lining a molten metal holding furnace is provided which is obtained by adding an organic binder to a refractory raw material composition consisting of 6-25 mass% of a carbon raw material, 0.1-4 mass% of aluminum and/or aluminum alloy, 2-20 mass% of a spinel ultrafine powder and the balance essentially an alumina raw material, kneading these, molding and heat treating at ≤1,000°C. The spinel ultrafine powder in the refractory raw material composition has a particle size of
摘要翻译：要解决的问题：为了抑制添加氧化铝 - 碳未烧结砖的尖晶石中的水合反应，以提高对各种炉渣的耐腐蚀性和热强度，并且提高热导率保持特性，以便通过从熔融金属保温炉。解决方案：提供了一种用于衬里熔融金属保持炉的氧化铝 - 碳未烧砖，其通过将有机粘合剂添加到由6-25质量％的碳原料组成的耐火材料组合物中，0.1-4质量％铝和/或铝合金的质量％，2-20质量％的尖晶石超细粉末，余量基本上为氧化铝原料，将其捏合，成型和热处理在≤1000℃。耐火材料组合物中的尖晶石超细粉末的粒径为<150μm，平均粒径为0.1-50μm，由MgO的25〜50质量％，余量为Al 2 ○ 3 。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2014148430A Refractory, manufacturing method of refractory, and immersion nozzle for continuous molding 有权
$Refractory, manufacturing method of refractory, and immersion nozzle for continuous molding$
标题翻译：耐火材料制造方法，连续铸造用浸渍喷嘴
公开(公告)号：JP2014148430A
公开(公告)日：2014-08-21
申请号：JP2013017011
申请日：2013-01-31
申请人： Nippon Steel & Sumitomo Metal , 新日鐵住金株式会社 , Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： KATAOKA ATSUICHIRO , IKEMOTO TADASHI , IMAWAKA HIROSHI , SHIOKAWA MASAHITO , WAKITA TAMOTSU , MATSUI TAIJIRO , MORIKAWA KATSUMI
IPC分类号： C04B35/103 , B22D11/10 , B22D41/54 , C04B38/00
摘要： PROBLEM TO BE SOLVED: To provide a refractory for an aeration of an immersion nozzle inhibiting changes of aeration property with molding time passage, stabilizing aeration property during molding and capable of preventing damage accidents during molding around a powder part.SOLUTION: There is provided a refractory containing a secondary particles having length of over 0.05 mm and 2 mm or less formed by aggregating a primary particles which are flat shape alumina particles having an aspect ratio of 5 to 50, and containing 55 mass% to 90 mass% of the secondary particles after a heating treatment in a non-oxidation atmosphere at 1500°C for 3 hours, AlOof 98 mass% or more as a component excluding carbon in the secondary particles, and as chemical components, free carbon of 3 mass% to 45 mass%, SiC of 1 mass% to 10 mass%, and having the total content of single compounds SiO, an alkali metal oxide, an alkaline earth metal oxide, TiOand other inevitable components from a production view point of 2 mass% or less.
摘要翻译：要解决的问题：提供一种用于通过浸渍喷嘴通气的耐火材料，其抑制成型时间通过的通气性变化，在成型期间稳定通风性能并且能够防止在粉末部件周围的成型期间的损坏事故。解决方案：提供一种含有长度大于0.05mm和2mm以下的二次粒子的耐火材料，其通过聚集长径比为5〜50的平坦状氧化铝粒子的一次粒子，并含有55质量％〜90质量％的二次粒子在非氧化性气氛中在1500℃下加热处理3小时后，作为除二次粒子以外的碳以外的成分为98质量％以上的AlO，作为3质量％〜45质量％的游离碳的化学成分， 1质量％〜10质量％的SiC，从生产观点考虑，具有单一化合物SiO，碱金属氧化物，碱土金属氧化物，TiO和其它不可避免的成分的总含量 nt为2质量％以下。

3. 发明专利

JP2010082653A Basic plate refractory for sliding nozzle apparatus 有权
$Basic plate refractory for sliding nozzle apparatus$
标题翻译：用于滑动喷嘴装置的基础板式耐火材料
公开(公告)号：JP2010082653A
公开(公告)日：2010-04-15
申请号：JP2008254015
申请日：2008-09-30
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： WAKITA TAMOTSU , SURUGA TOSHIHIRO
IPC分类号： B22D41/32 , C04B35/043 , C21C7/00 , F27D3/14
摘要： PROBLEM TO BE SOLVED: To provide a basic SN plate whose spalling resistance is improved by remarkably suppressing its thermal expansion coefficient compared with the conventional one. SOLUTION: The basic SN plate is obtained by adding a binder to a compound comprising a carbon raw material in 1.5 to 5 mass% composed of expanded graphite in 1.5 to 4 mass% and the other carbon raw material in 0 to 3.5 mass%, a spinel raw material with a grain size of 0.5 to 4 mm in 10 to 35 mass% and a metal raw material, and the balance magnesia raw material, kneading the same, performing molding and firing the molded body at ≥1,000°C in a nonoxidizing atmosphere. Its thermal expansion coefficient is COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种基本的SN板，其与常规的相比显着地抑制其热膨胀系数，从而提高了耐剥离性。解决方案：通过在由1.5〜5质量％的由1.5〜4质量％的膨胀石墨构成的碳原料的化合物和0〜3.5质量％的其他碳原料中添加粘合剂而获得基本的SN板％，10〜35质量％的粒径为0.5〜4mm的尖晶石原料和金属原料，余量为氧化镁原料，进行捏合，在≥1000℃进行成形烧成在非氧化气氛中。其在1500℃下的热膨胀系数<1.7％。版权所有（C）2010，JPO＆INPIT

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