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1. 发明专利

JP2003252686A REFRACTORY 审中-公开
公开(公告)号：JP2003252686A
公开(公告)日：2003-09-10
申请号：JP2002374340
申请日：2002-12-25
申请人： NIPPON STEEL CORP , KUROSAKI HARIMA CORP
发明人： GOTO KIYOSHI , NAKAMURA HISASHI , YAMADA YASUHIRO , TAKI TOKUO , ITOSE SHIYOUICHI
IPC分类号： C04B35/66
摘要： PROBLEM TO BE SOLVED: To provide refractories such as cast material that is excellent in corrosion resistance and generates less cracking, having a long service life. SOLUTION: The refractories comprise a CaO content of 0.5% by mass or less, a total amount of lactic acid and glycolic acid of 0.005-1% by mass and the remainder of Al 2 O 3 , SiO 2 , MgO and carbon. The refractories is a formulation of 3-15% by mass of an alumina super fine powder having an average particle size of 1.5 μm or less, 0.01-2% by mass of aluminum lactate or glycolic acid/aluminum lactate and 0.01-3% by mass of a lightly calcined magnesia having an iodine absorption amount of 20 iodine mg/g or more and an average particle size of 1 μm or less. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2001270781A CASTABLE ALUMINA-MAGNESIA-BASED REFRACTORY USING MAGNESIUM CARBONATE AS MAGNESIA SOURCE 失效
公开(公告)号：JP2001270781A
公开(公告)日：2001-10-02
申请号：JP2000333430
申请日：2000-10-31
申请人： NIPPON STEEL CORP , KUROSAKI HARIMA CORP
发明人： TAKI TOKUO , GOTO KIYOSHI , ITOSE SHIYOUICHI
IPC分类号： C04B35/66 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a castable alumina-magnesia-based refractory excellent in slaking resistance, dimensional stability and high temperature deformability and having a long service life. SOLUTION: This castable alumina-magnesia-based refractory, in which magnesium carbonate is employed as the source of magnesia, is produced by compounding 68-98 mass % of an alumina raw material having an average particle diameter of

3. 发明专利

JP2010159461A Immersion tube 有权
标题翻译：浸没管
公开(公告)号：JP2010159461A
公开(公告)日：2010-07-22
申请号：JP2009002766
申请日：2009-01-08
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： FUJII TETSUO , YASUDA HISATOSHI , TANAKA MANJIRO , IWAI MASASHI , TAKI TOKUO , TAKEWAKI KENJI
IPC分类号： C21C7/10
摘要： PROBLEM TO BE SOLVED: To provide an immersion tube which suppresses the thermal deformation of a core metal and is easily constructed. SOLUTION: The immersion tube 10 roughly includes the cylindrical core metal 11, an inner surface brick 13 coating the inner circumferential surface of the core metal 11 and a castable refractory 16 for covering the outer circumferential surface side of the core metal 11 and also forming the lower end part of the immersion tube 10, The immersion tube 10 further includes circulation gas piping 20 which serves as a feeding passages for circulation gas and is disposed on the outer circumferential surface of the core metal 11. The circulation gas piping 20 has circumferential-direction piping 21 disposed along the outer circumferential surface at lower end part of the core metal 11 and vertical piping 22 for feeding the circulation gas into the circumferential-direction piping 21. The circumferential-direction piping 21 has square-shaped cross section and includes discontinuous four pieces of partial piping 21a, 21b, 21c, 21d. In each piece of the partial piping 21a, 21b, 21c, 21d, vertical piping 22 is provided and the circulation gas is supplied into the respective partial piping 21a, 21b, 21c, 21d through four system of the vertical piping 22. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种抑制芯金属的热变形并容易构造的浸入管。解决方案：浸入管10大致包括圆筒形芯金属11，涂覆芯金属11的内圆周表面的内表面砖13和用于覆盖芯金属11的外周表面侧的可浇注耐火材料16和也形成浸入管10的下端部。浸入管10还包括作为循环气体的供给通道的循环气体管道20，并且设置在芯金属11的外周面上。循环气体配管20 具有沿着芯金属11的下端部的外周面配置的周向配管21，以及用于将循环气体供给到周向配管21的垂直配管22.周向配管21具有矩形截面并且包括不连续的四条部分管道21a，21b，21c，21d。在各部分管道21a，21b，21c，21d中，设有垂直配管22，循环气体通过垂直配管22的四个系统供给到各部分配管21a，21b，21c，21d中。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2005008496A Monolithic refractory 有权
$Monolithic refractory$
标题翻译：单片机
公开(公告)号：JP2005008496A
公开(公告)日：2005-01-13
申请号：JP2003177113
申请日：2003-06-20
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： GOTO KIYOSHI , TAKI TOKUO , INUZUKA TAKAYUKI , ITOSE SHIYOUICHI , ISOBE TOSHIHIRO , NISHI TAKASHI
IPC分类号： B22D41/02 , C04B35/66 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To obtain a highly durable monolithic refractory containing no alumina cement and improved in strength in a medium or low temperature range without deteriorating the hot strength of a high corrosion resistant material for casting. SOLUTION: The monolithic refractory comprises 0.1-3 mass% P 2 O 5 , ≤0.5 mass% CaO, 0.05-5 mass% SiO 2 , 0.005-1 mass% in total of lactic acid and glycolic acid, and the balance being Al 2 O 3 , MgO and other inevitable components. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了获得不含氧化铝水泥的耐久性高的整体耐火材料，并且在中等或低温范围内强度得到改善，而不会降低用于铸造的高耐腐蚀材料的热强度。解决方案：整体耐火材料包括0.1-3质量％的P 2 5 ，≤0.5质量％的CaO，0.05-5质量％的SiO / SB>，总共为0.005-1质量％的乳酸和乙醇酸，余量为Al 2 3 ，MgO等不可避免的成分。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2003171183A ALUMINA-MAGNESIA CASTABLE REFRACTORY HAVING LOW ELASTIC MODULUS, PRECAST BLOCK, AND VESSEL FOR MOLTEN METAL 审中-公开
公开(公告)号：JP2003171183A
公开(公告)日：2003-06-17
申请号：JP2001371644
申请日：2001-12-05
申请人： NIPPON STEEL CORP , KUROSAKI HARIMA CORP
发明人： GOTO KIYOSHI , TAKI TOKUO , IDE KOJI
IPC分类号： C04B35/66 , F27B14/00 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a castable refractory which has high strengths and can reduce the occurrence of cracks and peeling to lower the wear rate more than the conventional material. SOLUTION: The castable refractory is an alumina-magnesia castable refractory containing an alumina raw material, a magnesia raw material and a hardening agent. In the alumina-magnesia castable refractory, either or both of a magnesia fine powder containing particles having particles diameters of 10 to 300 μm in an amount of ≥90 mass % and magnesia particles having particle diameters of 1 to 5 mm is contained, as the alumina raw material, in an amount of 1 to 30 mass %, based on the total mass of the alumina raw material, the magnesia raw material and the curing material, and further, a silica ultrafine powder having particle diameters of ≤45 μm is contained in an amount of 0.2 to 3 mass %, expressed in terms of outer percentage, to the total mass. COPYRIGHT: (C)2003,JPO

6. 发明专利

JP2007145706A Method for kneading monolithic refractory 有权
$Method for kneading monolithic refractory$
标题翻译：打破单片烧结的方法
公开(公告)号：JP2007145706A
公开(公告)日：2007-06-14
申请号：JP2006302088
申请日：2006-11-07
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： GOTO KIYOSHI , INUZUKA TAKAYUKI , TAKI TOKUO , SHINPO AKIHIRO
IPC分类号： C04B35/66 , B01F7/16
摘要： PROBLEM TO BE SOLVED: To effectively knead a monolithic refractory or the like containing a lot of ultra-fine powders and to obtain a kneaded product of high flowability and a high quality worked body. SOLUTION: The method for kneading a monolithic refractory is characterized by kneading the monolithic refractory using a kneading machine equipped with a container 3 equipped with a lower part of a reverse truncated cone shape, an inward stirring bar (inward blade 1) rotated by a perpendicular shaft at the center of the container and an outward stirring bar (outward blade 2) rotating along the inward wall of the container 3 on the same axle of the inward stirring bar. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了有效地捏合含有大量超细粉末的整体耐火材料等，并获得高流动性和高质量加工体的捏合产物。解决方案：整体式耐火材料的捏合方法的特征在于，使用装备有倒装锥形下部的容器3，旋转的向内搅拌棒（向内的叶片1）的捏合机捏合整体耐火材料通过容器中心处的垂直轴和沿向内搅拌棒的同一轴上的容器3的内壁旋转的向外的搅拌棒（向外的叶片2）。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2004026561A Rare earth metal-containing monolithic refractory, applied body and kiln lined with them 有权
$Rare earth metal-containing monolithic refractory, applied body and kiln lined with them$
公开(公告)号：JP2004026561A
公开(公告)日：2004-01-29
申请号：JP2002184606
申请日：2002-06-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： GOTO KIYOSHI , TAKI TOKUO
IPC分类号： C04B35/66 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To obtain a monolithic refractory showing high hot-strength and an excellent durability. SOLUTION: The rare earth metal-containing monolithic refractory comprises, by mass, 50-99% Al 2 O 3 , 0.005-20% at least one rare earth metal oxide and the balance being MgO and other unavoidable impurities. Alternatively, the refractory comprises, by mass, 50-99% MgO, 0.005-20% at least one rare earth metal oxide and the balance being Al 2 O 3 and other unavoidable impurities. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2003081678A Method of kneading monolithic refractory 有权
$Method of kneading monolithic refractory$
标题翻译：打破单晶玻璃的方法
公开(公告)号：JP2003081678A
公开(公告)日：2003-03-19
申请号：JP2001273667
申请日：2001-09-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ABE TETSUYA , MATSUI TAIJIRO , IMAGAWA HIROSHI , TAKI TOKUO , GOTO KIYOSHI
IPC分类号： B22D41/02 , C04B35/66
摘要： PROBLEM TO BE SOLVED: To provide a method of kneading a monolithic refractory by which the flowability of a monolithic refractory raw material can be improved even when the amount of added water is made small in kneading the monolithic refractory raw material, and thereby the monolithic refractory raw material is uniformly mixed, the porosity of the resulting monolithic refractory is made lower, the corrosion resistance and the wear resistance of the monolithic refractory can be enhanced and the use cost of the monolithic refractory can be reduced. SOLUTION: Water having an electrical conductivity of
摘要翻译：要解决的问题：提供一种捏合整体耐火材料的方法，即使在整体式耐火材料捏合时加入水的量也能提高整体耐火材料的流动性，从而整体耐火材料原料均匀混合，使得整体耐火材料的孔隙率降低，可以提高整体耐火材料的耐腐蚀性和耐磨性，降低整体耐火材料的使用成本。解决方案：将导电率<=5,000μs/ m的水加入整体耐火原料中，并将所得混合物捏合。

9. 发明专利

JP2002003932A REFRACTORY IMMERSION STRUCTURAL BODY HAVING SLITS AND ITS MANUFACTURING METHOD 失效
公开(公告)号：JP2002003932A
公开(公告)日：2002-01-09
申请号：JP2000178842
申请日：2000-06-14
申请人： NIPPON STEEL CORP
发明人： GOTO KIYOSHI , TAKI TOKUO , AMANO MASAHIKO , NAKAMURA HISASHI , YAMADA YASUHIRO
IPC分类号： C21C7/10 , C21C7/00 , F27D1/08
摘要： PROBLEM TO BE SOLVED: To provide a refractory immersion structure with which the falling-out and the breakage of the refractory are prevented, and to provide its manufacturing method. SOLUTION: This refractory immersion structural body has monolithic refractory and iron cores, and the monolithic refractory peculiarly has linear or curving slits at a part or the whole of the monolithic refractory.

10. 发明专利

JP2011084450A Carbon-containing magnesia refractory and degassing method using the same 审中-公开
$Carbon-containing magnesia refractory and degassing method using the same$
标题翻译：含碳镁合金和使用其的脱脂方法
公开(公告)号：JP2011084450A
公开(公告)日：2011-04-28
申请号：JP2009240232
申请日：2009-10-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAMOTO MASAAKI , TAKEUCHI HIRONORI , TAKI TOKUO , TAMURA YOSHIHIRO , TAKEUCHI TOMOHIDE
IPC分类号： C04B35/043 , C21C7/00 , C21C7/10
摘要： PROBLEM TO BE SOLVED: To provide a carbon-containing magnesia refractory exhibiting excellent durability against low basicity slag having the basicity (C/S:CaO/SiO 2 ) of ≤2. SOLUTION: The carbon-containing magnesia refractory having durability against low basicity slag contains magnesia, graphite and an Al-Mg alloy, wherein the content of the Al-Mg alloy is 3.5-14 mass% and the mass ratio of Al-Mg alloy to graphite is ≥0.5. COPYRIGHT: (C)2011,JPO&INPIT

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