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1. 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
摘要翻译：要解决的问题：提供对碱度（C / S：CaO / SiO 2 ）≤2的低碱性矿渣具有优异的耐久性的含碳氧化镁耐火材料。解决方案：对低碱度炉渣具有耐久性的含碳氧化镁耐火材料包含氧化镁，石墨和Al-Mg合金，其中Al-Mg合金的含量为3.5-14质量％，Al- 镁合金对石墨≥0.5。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2005270985A For continuous casting immersion nozzle 有权
标题翻译：连铸喷嘴
公开(公告)号：JP2005270985A
公开(公告)日：2005-10-06
申请号：JP2004083879
申请日：2004-03-23
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： FUKUNAGA SHINICHI , TAKEUCHI TOMOHIDE , YOSHIDA MASAHIDE
IPC分类号： B22D11/10 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To provide an immersion nozzle for continuous casting with which the improvement of quality in a cast slab and the stability of the casting can be obtained by restraining the development of the nozzle clogging and the nozzle closing caused by the stickiness of inclusion on the immersion nozzle for pouring molten steel into a mold when the cast slab is produced by pouring the molten metal into the mold while using the continuous casting and this molten steel is solidified. SOLUTION: In the immersion nozzle for continuous casting, composed of a cylinder body for pouring the molten steel into the mold and an immersion part having a plurality of spouting holes successively arranged to the cylindrical body, at least a part of the cylindrical body containing the spouting holes in the immersion part, an interval build-up body composed of ≤10 mass% carbon content and/or ≤10 mass% SiO 2 , is arranged. Further, on the upper part of the internal build-up body, an internal build-up body mainly containing 25-65 mass% CaO and 25-70 mass% MgO contained in a refractory blended with dolomite clinker, is arranged. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于连续铸造的浸渍喷嘴，其中通过抑制喷嘴堵塞和喷嘴关闭的发展，可以获得铸坯质量的提高和铸件的稳定性当使用连续铸造而将熔融金属浇注到模具中并且该钢水凝固时制造铸造板坯时，将浸入钢水浇注到模具中的浸渍喷嘴的夹杂物粘附。解决方案：在用于将钢水浇注到模具中的用于连续铸造的浸入式喷嘴中，以及具有连续布置在圆筒体上的多个喷射孔的浸没部分，至少部分圆柱形包含浸没部分中的喷孔的主体，设置由≤10质量％碳含量和/或≤10质量％SiO 2 组成的间隔堆积体。此外，在内部堆积体的上部设置有主要含有与白云石熟料混合的耐火材料中含有25-65质量％CaO和25-70质量％MgO的内部积聚体。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2010167481A Nozzle for continuous casting 有权
标题翻译：喷嘴用于连续铸造
公开(公告)号：JP2010167481A
公开(公告)日：2010-08-05
申请号：JP2009014439
申请日：2009-01-26
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： MORIKAWA KATSUMI , SASAKI AKINARI , YOSHITOMI TAKENORI , HIRAIWA YOSHITAKA , KURATANI HIDEYA , HIRATA TAKESHI , TAKEUCHI TOMOHIDE , ITO SATOSHI
IPC分类号： B22D11/10 , B22D41/54 , C04B35/043 , C04B35/06
摘要： PROBLEM TO BE SOLVED: To provide a nozzle for continuous casting, having dolomite clinker contained in an inner bore body, wherein difficulty to be deposited, corrosion resistance and thermal impact resistance are allowed to have in a well balance. SOLUTION: This invention relates to the nozzle for continuous casting, in which the inner bore body obtained by adding an organic binder to a refractory raw material compound, kneading the same, and, after molding, performing heat treatment is arranged in the inner bore of a nozzle body for continuous casting, wherein the refractory raw material blend contains dolomite clinker 1 with a grain size of >1 mm by ≤10 mass% (including 0), the one with a grain size of >0.1 to 1 mm by 20 to 90 mass% and the one with a grain size of ≤0.1 mm by COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于连续铸造的喷嘴，其具有包含在内孔体中的白云石熟料，其中难以沉积，耐腐蚀性和耐热冲击性被允许具有良好的平衡。解决方案：本发明涉及连续铸造用喷嘴，其中将通过将有机粘合剂添加到耐火材料化合物而获得的内孔体，将其捏合，并且在成型后进行热处理，布置在用于连续铸造的喷嘴体的内孔，其中所述耐火材料混合物包含粒径为> 1mm至≤10质量％（包括0）的白云石熟料1，其粒径为> 0.1至1mm 20质量％〜90质量％，粒径≤0.1mm×15质量％（包括0）的粉末，长径比≥10的粒子2，粒径≤500μm的石墨2，3〜20质量％％，平均晶粒大小≤1mm的镁砂熟料3。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2004122193A Twin drum type continuous casting method and apparatus 审中-公开
公开(公告)号：JP2004122193A
公开(公告)日：2004-04-22
申请号：JP2002290854
申请日：2002-10-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARAI TAKASHI , TAKEUCHI TOMOHIDE
IPC分类号： B22D11/06
摘要： PROBLEM TO BE SOLVED: To extend the service life of a side gate, and to prevent skull from depositing to the side gate in the process of operation on producing a thin strip cast slab by a twin drum type continuous casting apparatus. SOLUTION: In the twin drum type continuous casting method, a ceramic board 6 is implanted in the part with almost a V-shape along the periphery of a drum in the side gate 2. Further, the ceramic board 6 and a molten steel contact face 5a are provided so as to be projected out from a molten steel noncontact face 5b. The outside of the surface in the ceramic board 6 is provided with a surface slope 6a. The rear face of the ceramic board 6 is provided with a rear face slope 6b parallel to the surface slope 6a. Casting is started in a state where the lower end of the ceramic board 6 is located in the upper direction from a drum kiss point, and, in the process of the casting, the side gate is shifted to an upper direction at a rate in accordance with the wear rete thereof. COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2011184737A Method for protecting lining-refractory in converter 有权
$Method for protecting lining-refractory in converter$
标题翻译：保护转炉内衬的方法
公开(公告)号：JP2011184737A
公开(公告)日：2011-09-22
申请号：JP2010051263
申请日：2010-03-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YOKOTA HIDEKI , TANABE KENTARO , KUZUME CHIAKI , ISOBE KAZUHIKO , KATAOKA ATSUICHIRO , TAKEUCHI TOMOHIDE , SAITO YOSHITOSHI
IPC分类号： C21C5/44 , C21C5/28 , C21C5/36
摘要： PROBLEM TO BE SOLVED: To surely scatter slag till the upper part of a furnace, even in the case of being the drastically lower fluidity of the slag after tapping off a molten steel, in a method for protecting a lining-refractory in a converter in which the spattered slag is coated on the lining-refractory in the converter by spattering the slag while injecting gas onto the left slag in the converter.
SOLUTION: In the method for protecting the lining-refractory in the converter, in the case that T. Fe content in the slag left in the converter is ≤15 mass% at
摘要翻译：要解决的问题：为了确保将炉渣分散到炉子的上部，即使在出钢后，炉渣的流动性显着降低的情况下，也可以采用保护衬里耐火材料的方法一种转炉，其中通过溅射炉渣同时在转炉中将气体喷射到左炉渣上，将喷溅的炉渣涂覆在转炉内的衬里耐火材料上。解决方案：在转炉中保护耐火材料的方法中，在转炉炉渣中的T.Fe含量在钢水温度<1650℃时≤15质量％脱碳完成时的脱碳吹制的完成时间，或在脱碳吹制完成时的钢水温度≥1650℃时≤10质量％，使炉渣中的T.Fe含量变成≥15％通过在转炉内留下炉渣的状态下将氧气注入炉渣中，通过从上部将炉渣上的气体注入炉渣中，将炉渣涂在转炉内的衬里耐火材料上。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2007326111A Immersion nozzle and continuous casting method 有权
标题翻译：浸入式喷嘴和连续铸造方法
公开(公告)号：JP2007326111A
公开(公告)日：2007-12-20
申请号：JP2006157156
申请日：2006-06-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ITO SATOSHI , FUKUNAGA SHINICHI , SATO MASAHARU , MATSUI TAIJIRO , NIITSUMA MINERO , TAKEUCHI TOMOHIDE
IPC分类号： B22D11/10 , C04B35/043 , C04B35/06 , C04B35/103 , C04B41/87
摘要： PROBLEM TO BE SOLVED: To provide an immersion nozzle having improved durability, and to provide a continuous casting method including a preheating step of preheating the immersion nozzle. SOLUTION: The immersion nozzle is used for the continuous casting method for molten metal and formed of a refractory containing one selected from among magnesia, spinel, dolomite clinker, a mixture of magnesia and spinel, and a mixture of magnesia and dolomite clinker, and containing free carbon. The immersion nozzle is preheated by high-frequency induction heating. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改善的耐久性的浸渍喷嘴，并提供一种包括预热浸入式喷嘴的预热步骤的连续铸造方法。解决方案：浸入式喷嘴用于熔融金属的连续铸造方法，由含有氧化镁，尖晶石，白云石熟料，氧化镁和尖晶石混合物中的一种和含有氧化镁和白云石熟料的混合物的耐火材料形成，并含有游离碳。浸入式喷嘴通过高频感应加热进行预热。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007136521A Immersion nozzle and continuous casting method 有权
标题翻译：浸入式喷嘴和连续铸造方法
公开(公告)号：JP2007136521A
公开(公告)日：2007-06-07
申请号：JP2005335923
申请日：2005-11-21
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ITO SATOSHI , SATO MASAHARU , MATSUI TAIJIRO , FUKUNAGA SHINICHI , NIITSUMA MINERO , TAKEUCHI TOMOHIDE
IPC分类号： B22D11/10 , B22D41/54 , B22D41/60 , C04B35/101
摘要： PROBLEM TO BE SOLVED: To provide an immersion nozzle capable of preventing adhesion of alumina. SOLUTION: The immersion nozzle is preheated by high frequency induction heating. The immersion nozzle contains Al 2 O 3 as a main component, and contains FC (free carbon) and SiO 2 , which satisfy the following two formulae: 0 mass% FC ≤(4/15)M SiO2 +23 mass%; M SiO2 2 are decreased, so that the adhesion of alumina to the immersion nozzle is prevented. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够防止氧化铝粘附的浸渍喷嘴。
解决方案：浸入式喷嘴通过高频感应加热进行预热。浸渍喷嘴含有作为主要组分的Al 2 O 3 ，并含有FC（游离碳）和SiO 2 ，满足以下两个公式：0质量％≤≤（4/15）M SiO2 +23质量％ SiO 2 <25质量％。通过这种组合物，FC和SiO 2 的量减少，从而防止了氧化铝与浸渍喷嘴的粘附。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006297476A Heating device for pouring nozzle of molten metal 有权
标题翻译：用于浇注金属喷嘴的加热装置
公开(公告)号：JP2006297476A
公开(公告)日：2006-11-02
申请号：JP2005299986
申请日：2005-10-14
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SATO MASAHARU , MATSUI TAIJIRO , TAKEUCHI TOMOHIDE , FUKUNAGA SHINICHI
IPC分类号： B22D11/10 , B22D41/60
摘要： PROBLEM TO BE SOLVED: To provide a nozzle preheating device which can preheat an entire body of nozzle to a high temperature uniformly, and can improve a nozzle life by preheating it to lighten thermal impact at a start of pouring molten metal.
SOLUTION: The heating device for a pouring nozzle of molten metal is characterized in that an induction heating coil as the heating device for the pouring nozzle of molten metal is installed in both the upper part and the lower part of the pouring nozzle of molten metal and the induction heating coil for the upper part is located inside the pouring nozzle of molten metal while the induction heating coil for the lower part is located outside the pouring nozzle of molten metal.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种喷嘴预热装置，其能够将整个喷嘴的整个体均匀地预热到高温，并且可以通过预热来提高喷嘴寿命，以在浇注熔融金属的开始时减轻热冲击。解决方案：用于熔融金属浇注嘴的加热装置的特征在于，作为用于熔融金属的倾倒喷嘴的加热装置的感应加热线圈安装在倾倒喷嘴的上部和下部熔融金属和用于上部的感应加热线圈位于熔融金属的倾倒喷嘴内部，而下部的感应加热线圈位于熔融金属的倾倒喷嘴之外。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2005320196A Refractory having excellent mechanical strength and spalling resistance, and method of manufacturing the same 有权
$Refractory having excellent mechanical strength and spalling resistance, and method of manufacturing the same$
标题翻译：具有优异的机械强度和耐压强度的耐火材料及其制造方法
公开(公告)号：JP2005320196A
公开(公告)日：2005-11-17
申请号：JP2004138925
申请日：2004-05-07
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SATO MASAHARU , MATSUI TAIJIRO , GOTO KIYOSHI , NITTA NORIO , TAKEUCHI TOMOHIDE
IPC分类号： C04B35/80
摘要： PROBLEM TO BE SOLVED: To provide refractory having excellent mechanical strength and spalling property. SOLUTION: In the refractory having excellent mechanical strength and spalling property, a solidified body formed by solidifying a high strength fiber bundle with a synthetic resin, pitch or tar is arranged in the refractory. COPYRIGHT: (C)2006,JPO&NCIPI

10. 发明专利

JP2005305488A Side weir of twin-drum continuous casting machine, method for forming oxide film on surface of side weir refractory, and casting method 审中-公开
$Side weir of twin-drum continuous casting machine, method for forming oxide film on surface of side weir refractory, and casting method$
标题翻译：双面连续铸造机的侧面磨边，侧面抗冲击表面形成氧化膜的方法和铸造方法
公开(公告)号：JP2005305488A
公开(公告)日：2005-11-04
申请号：JP2004124180
申请日：2004-04-20
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKEUCHI TOMOHIDE , INOUE SHUICHI , NAKAHO MASATERU , ISAKI HIROSHI , IZU TADAHIRO , KOBAYASHI HIDEAKI
IPC分类号： B22D11/06 , C04B41/87 , C23C30/00
摘要： PROBLEM TO BE SOLVED: To provide a side weir which restrains the growth of a linear groove, a method for forming an oxide film on the surface of the refractory of the side weir, and a casting method using the side weir so that the sealing of molten steel can be performed stably for a long time.
SOLUTION: The side weir of a metal strip casting machine is placed on both end faces of a pair of rotary cooling drums and forms a moving mold between the side weir and the pair of the cooling drums. The oxide film is formed on the surface of the refractory at least at the area of the side weir touching the cooling drums.
COPYRIGHT: (C)2006,JPO&NCIPI

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