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11. 发明专利

JP2009090319A Nozzle for continuous casting 有权
标题翻译：喷嘴用于连续铸造
公开(公告)号：JP2009090319A
公开(公告)日：2009-04-30
申请号：JP2007262959
申请日：2007-10-09
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： MORIKAWA KATSUMI , SASAKI AKINARI , MIZOBE ARIHITO , KAWABE HIDEAKI , HIRAIWA YOSHITAKA
IPC分类号： B22D11/10 , B22D41/50
摘要： PROBLEM TO BE SOLVED: To prevent damage such as a vertical crack in an axial direction and a horizontal crack, etc., in a nozzle for continuous casting composed of a tubular refractory structure provided with two layer structure of an inner bore-side refractory layer and an outer periphery-side refractory layer.
SOLUTION: In the nozzle for continuous casting provided with the inner bore-side refractory layer 2 facing an inner bore and the outer periphery-side refractory layer 1 positioned at the outer periphery-side of the inner bore-side refractory layer, between the inner bore-side layer 2 and the outer periphery-side layer 1, a lubricating layer 3 having a solid lubricating function, where the respective layers 1, 2 can slide each other at a shearing stress or lower not exceeding the rupture strength of the respective layers 1, 2, and a spacing layer 4 having the thickness at room temperature, with which the thickness in the inner bore is made zero by bringing the respective layers 1, 2 close contact with each other at the hot-state of the molten metal temperature level, and the produced stress to the outer periphery-side layer 1 with the heat expansion of the inner bore-side layer 2 is made lower than the rupture strength of the outer periphery-side layer 1, are arranged. Further, a shrinkable lubricating layer 5 also provided with the functions of the lubricating layer 3 and the spacing layer 4 is arranged between the inner bore-side layer 2 and the outer periphery-side layer 1.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了防止由连续铸造用喷嘴构成的连续铸造用喷嘴等的损伤，所述连续喷嘴用管状耐火结构体构成，所述管状耐火结构体具有内层孔结构的两层结构，侧面耐火层和外周侧耐火层。解决方案：在内孔侧耐火层2面向内孔的连续铸造用喷嘴和位于内孔侧耐火层的外周侧的外周侧耐火层1中，在内孔侧层2和外周侧层1之间，具有固体润滑功能的润滑层3，其中各层1,2可以在剪切应力下相互滑动或不超过断裂强度各层1,2和间隔层4具有在室温下的厚度，通过使各层1,2的热状态彼此紧密接触，使内孔中的厚度为零熔融金属温度水平以及内周侧层2的热膨胀使外周侧层1产生的应力比外周侧层1的断裂强度低。此外，还具有润滑层3和间隔层4的功能的可收缩润滑层5布置在内孔侧层2和外周侧层1之间。版权所有（C）2009 ，JPO＆INPIT

12. 发明专利

JP2008133177A Refractory raw material coated with nanocarbon, its manufacturing method, refractory using the same and manufacturing method of refractory 有权
$Refractory raw material coated with nanocarbon, its manufacturing method, refractory using the same and manufacturing method of refractory$
标题翻译：用纳米碳制造的原料原料，其制造方法，使用该制造方法的制造方法和制造方法
公开(公告)号：JP2008133177A
公开(公告)日：2008-06-12
申请号：JP2007277550
申请日：2007-10-25
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： HOKII TOSHIYUKI , YOSHITOMI TAKENORI , SURUGA TOSHIHIRO , MORIKAWA KATSUMI , MOCHIDA ISAO , IN SEIKO
IPC分类号： C04B35/628 , C01B31/02 , C04B35/043 , C04B35/103 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a refractory raw material and its manufacturing method where the uniform dispersion of carbon nanotubes (CNT) or carbon nanofibers (CNF) can be relatively easily performed in a refractory and where the refractory excellent in thermal shock resistance and slag resistance can be achieved and to provide a refractory using the refractory raw material and its manufacturing method. SOLUTION: The refractory raw material coated with nanocarbon where the surface of refractory raw material particles 1 is coated with CNT or CNF is manufactured by supporting a catalyst on the refractory raw material particles and by heat-treating the resultant refractory raw material particles under the contact with a carbon compound. The refractory raw material coated with nanocarbon is blended with a refractory raw material by 1-30 mass% to form a refractory raw materila composition. The refractory composition is added with an organic binder, kneaded and heat-treated after molding, to thereby prepare a refractory containing nanocarbon. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：为了提供耐火材料及其制造方法，其中可以相对容易地在耐火材料中进行碳纳米管（CNT）或碳纳米纤维（CNF）的均匀分散，并且耐热性优异的耐火材料可以实现电阻和耐渣性，并提供使用耐火材料的耐火材料及其制造方法。解决方案：通过将耐火材料颗粒上的催化剂负载并且对所得到的耐火材料颗粒进行热处理，制造涂覆有耐火材料颗粒1的表面涂覆有CNT或CNF的纳米碳的耐火材料与碳化合物接触。将涂覆有纳米碳的难熔原料与耐火原料共混1-30质量％以形成耐火材料原料组合物。向耐火材料组合物中添加有机粘合剂，在成型后进行捏合和热处理，由此制备含有纳米碳的耐火材料。版权所有（C）2008，JPO＆INPIT

13. 发明专利

JP2007106618A Fiber-reinforced refractory 有权
$Fiber-reinforced refractory$
标题翻译：纤维增强耐火材料
公开(公告)号：JP2007106618A
公开(公告)日：2007-04-26
申请号：JP2005297314
申请日：2005-10-12
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： SATO MASAHARU , MATSUI TAIJIRO , TAKEUCHI TOMOHIDE , YAMADA YASUHIRO , ITO SATOSHI , ISHIMOTO KATSUHIRO , MORIKAWA KATSUMI , AMANO JIRO
IPC分类号： C04B35/80 , C04B41/89
摘要： PROBLEM TO BE SOLVED: To provide fiber reinforced refractory capable of improving its tensile strength, suppressing occurrence of crack or damage and extending its service life and reliability. SOLUTION: In the fiber reinforced refractory, a fiber bonded layer formed by bonding a unidirectional bundle, a twisted string or a woven fabric having higher tensile strength than that of the refractory is arranged on a part or the whole surface of the refractory, an oxidation preventing base layer is arranged on the surface of the fiber bonded layer and an oxidation preventing layer is arranged thereon. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够提高其拉伸强度的纤维增强耐火材料，抑制裂纹或损坏的发生并延长其使用寿命和可靠性。解决方案：在纤维增强耐火材料中，通过粘结单向束，扭绞丝或具有比耐火材料拉伸强度更高的拉伸强度的织物形成的纤维粘合层设置在耐火材料的一部分或整个表面上在纤维接合层的表面上配置氧化防止底层，在其上配置防氧化层。版权所有（C）2007，JPO＆INPIT

14. 发明专利

JP2013188764A Nozzle for casting 审中-公开
标题翻译：喷枪喷嘴
公开(公告)号：JP2013188764A
公开(公告)日：2013-09-26
申请号：JP2012055299
申请日：2012-03-13
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： MORIKAWA KATSUMI , SASAKI AKINARI
IPC分类号： B22D11/10 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To prevent oxidation in a preheating stage of a nozzle for casting by restraining an antioxidant layer, which is arranged on an inner hole surface of the nozzle for casting, from being peeled off in the preheating stage.SOLUTION: In a nozzle 20 for casting, an intermediate layer 2 is provided on a part or the whole of a surface of a nozzle body refractory 1 having an inner hole 5 for allowing the passage of molten steel, and one or more antioxidant layers 3 densified by being vitrified in a temperature range of 400-1,500°C are formed on the outer surface of the intermediate layer 2. The intermediate layer 2 is a refractory in which inorganic fibers are intertwined with one another and coupled together by a carbonaceous binder, and has resistance to heat at 1,000°C or higher. The intermediate layer 2 and the nozzle body refractory 1 configure an integral structure in which matrix organizations of the mutual refractories continue into each other via an interface between them.
摘要翻译：要解决的问题：通过抑制布置在用于铸造的喷嘴的内孔表面上的抗氧化层在预热阶段中被剥离来防止用于铸造的喷嘴的预热阶段中的氧化。解决方案：在用于铸造的喷嘴20，在具有用于允许钢水通过的内孔5的喷嘴体耐火材料1的表面的一部分或全部上设置中间层2，并且通过玻璃化而使一个或多个抗氧化层3致密化在中间层2的外表面上形成400-1,500℃的温度范围。中间层2是无机纤维彼此缠结并通过碳质粘合剂结合在一起的耐火材料，并且具有耐 1000℃以上的加热。中间层2和喷嘴体耐火材料1构成互相耐火材料的基体组织经由它们之间的界面彼此连续的整体结构。

15. 发明专利

JP2011067860A Stopper control type dipping nozzle 有权
标题翻译：停止控制类型DIPPING喷嘴
公开(公告)号：JP2011067860A
公开(公告)日：2011-04-07
申请号：JP2009223062
申请日：2009-09-28
申请人： Kurosaki Harima Corp , Nisshin Steel Co Ltd , 日新製鋼株式会社 , 黒崎播磨株式会社
发明人： MORIKAWA KATSUMI , SASAKI AKINARI , KAWABE HIDEAKI , HIRAIWA YOSHITAKA , NUKUSHINA NORIAKI
IPC分类号： B22D11/10 , B22D41/16 , B22D41/50 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To prevent air from entering from a fitting part and, further, to suppress the occurrence of cracks on the nozzle body accompanying the thermal expansion of the fitting part in a stopper control type dipping nozzle.
SOLUTION: A stepped part 17 having an expanded diameter part 17a in the upper part is formed on the side of an inner hole in the upper end part of the nozzle body 11; a fitting ring 13 is arranged in the stepped part 17 and a groove 14 the bottom surface of which is constituted with the fitting ring 13 and the bottom surface of the expanded diameter part 17a is formed. A press block 15 is inserted into the groove 14 so as to stride the bottom surfaces of the fitting ring 13 and the expanded diameter part 17a and to be fixed to the nozzle body 11 by a rising-up preventing means and a shrinkable mortar 18 is filled between the press block 15 and the fitting ring 13 and between the outer peripheral surface of the fitting ring 13 and the stepped part 17.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：防止空气从配合部件进入，并且进一步抑制随着装配部件在止动器控制型浸渍喷嘴中的热膨胀而在喷嘴体上的裂纹的发生。解决方案：在喷嘴体11的上端部的内侧的一侧形成有在上部具有扩径部17a的台阶部17，在阶梯部17中设置有嵌合环13，其下表面由嵌合环13构成并形成扩径部17a的底面的槽14。将压块15插入到槽14中，以便跨越装配环13和扩径部17a的底面，并通过上升防止装置固定到喷嘴体11，并且可收缩的灰浆18是填充在压块15与嵌合环13之间以及嵌合环13的外周面与阶梯部17之间。（C）2011，JPO＆INPIT

16. 发明专利

JP2010235405A Production method of low-odor unburned brick 审中-公开
标题翻译：低气味未燃砖的生产方法
公开(公告)号：JP2010235405A
公开(公告)日：2010-10-21
申请号：JP2009086236
申请日：2009-03-31
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： HOKII TOSHIYUKI , FUCHIMOTO HIROYUKI , SURUGA TOSHIHIRO , TOMITA DAISUKE , SASAKI AKINARI , MORIKAWA KATSUMI
IPC分类号： C04B35/00 , B22D41/02 , C04B35/632 , C04B35/66 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a production method of low-odor unburned brick, suppressing spring back of brick during molding when a low-odor binder is used. SOLUTION: The production method of low-odor unburned brick comprises: adding a polyethylene fiber having an ultrahigh molecular weight by 0.03 to 1 mass% as an external percentage to a refractory raw material blend; adding at least one kind of monosaccharide, oligosaccharide, polysaccharide, pulp waste liquid, hexavalent polyols and polyvinyl alcohols as a binder, and kneading; press-forming; and then heat treating at a temperature of 500°C or lower. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供低气味未燃烧砖的生产方法，当使用低气味粘合剂时，在模制期间抑制砖的弹回。解决方案：低气味未燃烧砖的制造方法包括：以耐高温原料混合物的外部百分比添加超高分子量的聚乙烯纤维为0.03〜1质量％加入至少一种单糖，寡糖，多糖，纸浆废液，六价多元醇和聚乙烯醇作为粘合剂，并捏合; 压制成形; 然后在500℃以下的温度下进行热处理。版权所有（C）2011，JPO＆INPIT

17. 发明专利

JP2009220150A Immersion nozzle 有权
标题翻译：浸泡喷嘴
公开(公告)号：JP2009220150A
公开(公告)日：2009-10-01
申请号：JP2008067853
申请日：2008-03-17
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： KONDO YOSHIYUKI , MORIKAWA KATSUMI
IPC分类号： B22D11/10 , B22D41/54 , B22D41/58
摘要： PROBLEM TO BE SOLVED: To provide an immersion nozzle where an inert gas is blown to an inner hole to form into the circulation passage of molten steel, in which the dissipation of an inert gas from the outer circumferential face of the immersion nozzle is suppressed, and the sticking of inclusions or the like to the wall face of the inner hole is securely prevented.
SOLUTION: In the immersion nozzle 10 comprising: an inner hole 1 to form into the circulation passage of molten steel from a tundish to a mold; a gas permeable inner hole body 2 arranged so as to face the inner hole 1; and a hollow chamber 3 formed at the outer circumferential side of the inner hole body 2, and wherein an inert gas introduced into the hollow chamber 3 is blown off from the inner hole body 2 to the inner hole 1, in the wall side on the outer circumferential side of the hollow chamber 3, at least at the region corresponding to the powder line of a mold, a refractory layer 7 having gas permeability lower than that of a refractory 5 on the outer circumferential side of the region is arranged.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种浸入式喷嘴，其中惰性气体吹向内孔以形成到钢水的循环通道中，其中惰性气体从浸入式喷嘴的外圆周面的散发被抑制，并且可靠地防止夹杂物等粘附在内孔的壁面上。解决方案：浸入式喷嘴10包括：内孔1，用于形成从中间包到模具的钢水循环通道; 以与内孔1相对的方式配置的透气性内孔体2; 以及形成在内孔体2的外周侧的中空室3，其中引入中空室3的惰性气体从内孔体2向内孔1吹出，中空室3的外周侧，至少在与模具的粉末线对应的区域，布置有在该区域的外周侧具有低于耐火材料5的气体透过性的耐火材料层7。版权所有（C）2010，JPO＆INPIT

18. 发明专利

JP2014141381A Zirconia-carbon-containing refractory and immersion nozzle for continuously casting a steel as well as method for manufacturing a zirconia-carbon-containing refractory and method for manufacturing an immersion nozzle for continuously casting a steel 有权
$Zirconia-carbon-containing refractory and immersion nozzle for continuously casting a steel as well as method for manufacturing a zirconia-carbon-containing refractory and method for manufacturing an immersion nozzle for continuously casting a steel$
标题翻译：用于连续铸造钢的含ZIRCONIA-CARBON的耐火材料和浸渍喷嘴作为用于制造含有ZIRCONIA-CARBON的耐火材料的方法的钢和用于制造用于连续铸造钢的浸入喷嘴的方法
公开(公告)号：JP2014141381A
公开(公告)日：2014-08-07
申请号：JP2013012099
申请日：2013-01-25
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： IKEMOTO TADASHI , MORIKAWA KATSUMI , YASUMI JIN
IPC分类号： C04B35/48 , B22D11/10 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To provide a zirconia-carbon-containing refractory exhibiting an excellent tolerability as an immersion nozzle for continuously casting a steel.SOLUTION: The provided zirconia-carbon-containing refractory comprises: within the refractory texture thereof, zirconia particles and a carbon matrix material; and at least 78 and no more than 90 mass% of ZrOand at least 5 and no more than 17 mass% of carbon. The zirconia particles comprise, in a case where the total weight of the zirconia particles is defined as 100 mass%, at least 97 mass% of particles having diameters of 75 μm or less and at least 40 mass% of particles having diameters of 45 μm or less. The carbon matrix material has a maximal length of 100 μm or less and an average length of 45 μm and is included within the refractory at a ratio of at least 2 and no more than 15 mass%. The refractory exhibits a strain magnitude fluctuation value confined within 20% in a test method for inducing the rupture of a sample provided by forming the refractory in the shape of a ring by homogeneously compressing the sample from the inner hole thereof.
摘要翻译：要解决的问题：提供一种具有优异耐受性的含氧化锆 - 碳的耐火材料作为用于连续铸造钢的浸渍喷嘴。解决方案：提供的含氧化锆 - 碳的耐火材料包括：在其耐火材料中，氧化锆颗粒和碳基质材料; 和至少78和不超过90质量％的ZrO和至少5和不超过17质量％的碳。在氧化锆粒子的总重量定义为100质量％的情况下，氧化锆粒子包括直径为75μm以下的粒子的至少97质量％和直径为45μm的粒子的至少40质量％或更少。碳基体材料的最大长度为100μm以下，平均长度为45μm，并且以至少2〜15质量％的比例包含在耐火材料中。耐火材料在通过从其内孔均匀地压缩样品而引起通过形成环状的耐火材料形成的样品的试验方法中的应变幅度波动值被限制在20％以内。

19. 发明专利

JP2011230168A Refractory, nozzle for continuous casting using the refractory, method for production of the nozzle, and continuous casting method using the nozzle 有权
$Refractory, nozzle for continuous casting using the refractory, method for production of the nozzle, and continuous casting method using the nozzle$
标题翻译：用于使用耐火材料的连续铸造的喷射器，喷嘴的制造方法和使用喷嘴的连续铸造方法
公开(公告)号：JP2011230168A
公开(公告)日：2011-11-17
申请号：JP2010103809
申请日：2010-04-28
申请人： Kurosaki Harima Corp , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 黒崎播磨株式会社
发明人： MORIKAWA KATSUMI , SASAKI AKINARI , OTSUKA HIROSHI , TSUKAGUCHI YUICHI
IPC分类号： B22D11/10 , C04B35/103
摘要： PROBLEM TO BE SOLVED: To prevent attachment of AlOinclusion or the like to the inside of a nozzle to be used or clogging due to the inclusion in a continuous casting operation using a steel type such as an aluminum-killed steel which particularly tends to take place a nozzle clogging phenomenon.SOLUTION: There is provided a refractory 10 which contains, by mass, ≥0.5% of CaO, ≥0.5% of either BOor RO (R is Na, K or Li) or of the sum of those, ≥50% of AlO, 8.0-34.5% of free carbon, and 1.0-15.0% of (CaO+BO+RO) and has a mass ratio CaO/(BO+RO) of ≥0.1 and ≤3.0. The above attachment of or clogging due to the inclusion is prevented by disposing the refractory on a part of or the whole of a surface contacting the molten steel in the nozzle for continuous casting.
摘要翻译：要解决的问题：为了防止在喷嘴内部附加Al 2 O 3 夹杂物等被使用或堵塞，这是因为包含在使用特别容易发生喷嘴堵塞现象的铝型杀死钢的钢种的连续铸造操作中。解决方案：提供了一种耐火材料10，其含有质量≥0.5％的CaO，≥0.5％的B 2 O 3 或R 2（R为Na，K或Li）或其总和的≥50％Al 3 ，游离碳的8.0-34.5％和（CaO + B O 3 + R 2 O），并且具有质量比CaO /（B O 3 + R 2 O）≥0.1和≤3.0。通过将耐火材料设置在与连续铸造用喷嘴中的钢水接触的一部分或全部的表面上来防止由于夹杂而引起的上述附着或堵塞。版权所有（C）2012，JPO＆INPIT

20. 发明专利

JP2010036229A Nozzle for continuous casting 有权
标题翻译：喷嘴用于连续铸造
公开(公告)号：JP2010036229A
公开(公告)日：2010-02-18
申请号：JP2008203386
申请日：2008-08-06
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 , HIRAIWA YOSHITAKA , NEHA KEIICHIRO , SADANO KENJI , FUKUNAGA SHINICHI , TANAKA KAZUHISA
IPC分类号： B22D11/10 , B22D41/54 , C04B35/66
摘要： PROBLEM TO BE SOLVED: To prevent stress-oriented crack of an outer periphery-side layer caused by heat expansion difference between an inner bore-side layer and the outer periphery-side layer of a body material, in a nozzle for continuous casting with an MgO-CaO based material applied to the inner bore-side layer, to possess a property allowing the inner bore-side layer to be fixed on the outer periphery-side layer in a prescribed arrangement, and to prevent exfoliation of the inner bore-side layer during casting. SOLUTION: As an intermediate layer 1, there is used a refractory which contains 10-75 vol.% hollow fire-resistant aggregate satisfying R/t≥10 in the ratio of the average radius R and the average wall thickness t of the grains and which, as percentages of the remainder other than the hollow fire-resistant aggregate, contains 0.5-15 mass% in total of Al, Mg and Si in one or more of single metals or alloys, in terms of their metallic components only, and 2-99.5 mass% carbon. As the inner bore-side layer 2, an MgO-CaO-based refractory is used. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了防止由内孔侧层和主体材料的外周侧层之间的热膨胀差引起的外周侧层的应力取向裂纹，在连续的喷嘴中用施加到内孔侧层的MgO-CaO类材料进行铸造，具有使内孔侧层以规定的排列固定在外周侧层上的性质，并且防止内侧面层的剥离在铸造期间钻孔侧层。解决方案：作为中间层1，使用含有10-75体积％的满足R /t≥10的中空耐火骨料的耐火材料，其平均半径R和平均壁厚t的比例除了中空耐火骨料以外的剩余部分的百分比，其单一金属或合金中的一种或多种中的Al，Mg和Si总共含有0.5-15质量％，和2-99.5质量％的碳。作为内孔侧层2，使用MgO-CaO类耐火材料。版权所有（C）2010，JPO＆INPIT

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