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81. 发明专利

JP2009266428A Plasma heating device 有权
标题翻译：等离子加热装置
公开(公告)号：JP2009266428A
公开(公告)日：2009-11-12
申请号：JP2008111683
申请日：2008-04-22
申请人： Nippon Steel Corp , Nippon Steel Engineering Co Ltd , 新日本製鐵株式会社 , 新日鉄エンジニアリング株式会社
发明人： WAKITA NAGAYOSHI , MIYASHITA MASAYUKI , FUKUNAGA SHINICHI
IPC分类号： H05B7/06 , H05B7/18
摘要： PROBLEM TO BE SOLVED: To provide a plasma heating device in which the lifetime of an insulating film to cover the external exposed face of a plasma torch is improved greatly without using a special material.
SOLUTION: Nozzle cylinders 12, 13 have nozzle outer cylinders 14, 15, nozzle inner cylinders 18, 19, and nozzle tips 20, 21 which close tips of spaces 32, 33 formed between the nozzle outer cylinders 14, 15 and the nozzle inner cylinders 18, 19, and insulating films 30, 31 for preventing a side arc in which a current flows directly between an anode plasma torch 10 and a cathode plasma torch 11 are formed on external exposed faces of the nozzle cylinders 12, 13. The insulating film 30 has an interlayer 30b formed of a mixture of a lowermost layer 30a and an uppermost layer 30c between the lowermost layer 30a composed of a bonding coat material such as Ni-Al and Ni-Cr and the uppermost layer 30a composed of alumina or spinel or mullite. The mixture has a ratio of the bonding coat material in a range of 1/3-2/3 in mass.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种等离子体加热装置，其中绝缘膜的寿命覆盖等离子体焰炬的外部暴露面大大地改善而不使用特殊材料。
解决方案：喷嘴缸12,13具有喷嘴外筒14,15，喷嘴内筒18,19和喷嘴尖端20,21，其封闭形成在喷嘴外筒14,15之间的空间32,33的尖端，喷嘴内筒18,19和绝缘膜30,31，用于防止电弧直接在阳极等离子体焰炬10和阴极等离子体焰炬11之间流动的侧弧形成在喷嘴缸12,13的外部暴露面上。绝缘膜30具有由最下层30a和最上层30c的混合物形成的层间30b，所述中间层30b由Ni-Al和Ni-Cr等接合涂层材料构成的最下层30a和由氧化铝构成的最上层30a 或尖晶石或莫来石。该混合物的接合涂层材料的比例在1 / 3-2 / 3的范围内。版权所有（C）2010，JPO＆INPIT

82. 发明专利

JP2009045641A Method for preventing surface of molten metal in mold from being varied when starting continuous casting 有权
标题翻译：开始连续铸造时，从变形中预防模具中金属表面的方法
公开(公告)号：JP2009045641A
公开(公告)日：2009-03-05
申请号：JP2007212951
申请日：2007-08-17
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： IWASAKI JUNYA , SANJO SATORU , FUKUNAGA SHINICHI , MARUKI YASUO
IPC分类号： B22D11/08 , B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a method for preventing a surface of a molten metal in a mold from being varied when starting continuous casting, in which anxious break-out due to variation of the surface of the molten metal in the mold caused when starting the continuous casting is suppressed, and degradation in quality of a slab due to inclusions to be rolled in is suppressed and further prevented.
SOLUTION: A sensor group for inspecting a continuous casting apparatus 10 is provided on a link member located in a range of 0.2-0.6 L from an upstream end of a link type dummy bar 12 of the total length L where a plurality of link members 17-19 are connected with pins 20, and arranged on the upstream side of the link member 18 with the sensor group being mounted thereon. When the spacing of the pins 20 adjacent to each other in the longitudinal direction of the dummy bar 12 is denoted as P, the dummy bar 12 is conveyed while pressing the link members 18, 19 in the range from the center in the longitudinal direction of the link member 18 with the sensor group mounted thereon to the point of 2.5 P to the upstream side by a plurality of pinch rolls, and the manufacture of a slab 13 is started while carrying out the inspection by the sensor group.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止模具中的熔融金属的表面在开始连续铸造时变化的方法，其中由于模具中的熔融金属的表面的变化引起的急剧的分解抑制连续铸造时的起动，抑制被轧制夹杂物的板坯质量的劣化。解决方案：用于检查连续铸造设备10的传感器组件设置在从总长度L的连接型虚拟棒12的上游端位于0.2-0.6L范围内的连杆构件上，其中多个连杆构件17-19与销20连接，并且布置在连接构件18的上游侧，传感器组被安装在其上。当在虚拟棒12的纵向彼此相邻的销20的间隔被表示为P时，虚拟棒12被输送，同时沿着连接构件18,19的纵向方向的中心通过多个夹送辊将传感器组安装到上游侧的传感器组的连杆构件18，并且在进行传感器组的检查的同时开始制造板坯13。版权所有（C）2009，JPO＆INPIT

83. 发明专利

JP2009000737A Nozzle for continuous casting 有权
标题翻译：喷嘴用于连续铸造
公开(公告)号：JP2009000737A
公开(公告)日：2009-01-08
申请号：JP2007166284
申请日：2007-06-25
申请人： Akechi Ceramics Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 明智セラミックス株式会社
发明人： KATO YOSHINARI , KIKUCHI JUN , YAMAGUCHI KAZUHIRO , FUKUNAGA SHINICHI , MATSUI TAIJIRO
IPC分类号： B22D11/10 , B22D41/50 , B22D41/60
摘要： PROBLEM TO BE SOLVED: To provide a nozzle for continuous casting capable of suppressing narrowing of the inner hole of the nozzle for supplying molten metal from a tundish to a mold, further effectively suppressing clogging, and preventing cracks of the nozzle due to thermal shock.
SOLUTION: A sheet member is inserted which is concentric with the nozzle inner hole 3, electrically insulated, and comprises a carbonaceous material containing 25 mass% or more carbon, and electricity is applied during the period from the finish of preheating to the start of casting, thereby effectively and drastically suppressing the temperature drop on the outer surface of the nozzle. The suppression of the temperature drop of the nozzle can prevent the cracks of the nozzle due to thermal shock in early stage of the casting. Moreover, the surface temperature of the nozzle is maintained at high, thereby decreasing the amount of heat transfer from the molten metal to the nozzle material and preventing the deposition of alumina due to the solidification of the molten metal.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于连续铸造的喷嘴，其能够抑制用于将熔融金属从中间包供给到模具的喷嘴的内部孔的变窄，从而进一步有效地抑制堵塞，并且防止喷嘴由于热冲击。
解决方案：插入与喷嘴内孔3同心的片状部件，电绝缘，并且包括含有25质量％以上的碳的碳质材料，并且在从预热完成到开始铸造，从而有效地且显着地抑制喷嘴外表面的温度下降。抑制喷嘴的温度下降可以防止在铸造初期由于热冲击引起的喷嘴裂纹。此外，喷嘴的表面温度保持在高水平，从而减少从熔融金属到喷嘴材料的传热量，并防止由于熔融金属凝固而引起的氧化铝沉积。版权所有（C）2009，JPO＆INPIT

84. 发明专利

JP2008080397A Stopper head 有权
标题翻译：停止头
公开(公告)号：JP2008080397A
公开(公告)日：2008-04-10
申请号：JP2007167478
申请日：2007-06-26
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： AMANO JIRO , MIZOBE ARIHITO , SHIMOKASA TOMOHARU , TSUZUKI TETSUO , FUKUNAGA SHINICHI , UCHIYAMA TOSHIYUKI , HONDA NAOHISA
IPC分类号： B22D41/18 , B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide a stopper head used for controlling the discharge of molten metal, particularly a stopper head with an integrated structure having no function of blowing gas, in which risk of the occurrence of damage is reduced, moreover is prevented.
SOLUTION: The stopper head 10 is used for starting the discharge of the molten metal from a vessel through a nozzle or stopping the same or controlling the flow rate thereof, wherein the vicinity of the center at the distal end part in the lower part of a stopper head body 1 made of a refractory is provided with a stress relaxation part 5 for breaking off the continuity of the refractory structure in the vicinity of the outer surface of the stopper head body 1, and relaxing stress.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于控制熔融金属排放的止动头，特别是具有不具有吹气功能的一体结构的止动头，其中损害发生的风险降低，此外是预防。解决方案：止动头10用于通过喷嘴开始从容器中排出熔融金属或使其停止或控制其流量，其中下部的末端部分的中心附近由耐火材料制成的止动头主体1的一部分设置有用于断开止动头部主体1的外表面附近的耐火结构的连续性的应力松弛部5和松弛应力。版权所有（C）2008，JPO＆INPIT

85. 发明专利

JP2008055454A Method for producing cast slab excellent in surface and inner qualities 有权
标题翻译：在表面和内部质量上生产优质铸件的方法
公开(公告)号：JP2008055454A
公开(公告)日：2008-03-13
申请号：JP2006234217
申请日：2006-08-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUKUNAGA SHINICHI , NISHIHARA RYOJI , IWASAKI JUNYA , HIRAMOTO YUJI
IPC分类号： B22D11/124 , B22D11/00 , B22D11/128 , B22D11/16 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a cast slab excellent in the surface and the inner qualities, in which the productivity can be improve by suppressing and further preventing quality deterioration which is anxious when a kind of steel which is apt to have the molten steel surface variation in a mold caused by e.g. surface crack or inner part crack or non-stationary bulging, is cast at high speed.
SOLUTION: In the method for producing the cast slab, using a curving type or a vertical and bending type continuous caster 10 having rolls 16 for conveying the cast slab 14 and nozzles 17-22 for cooling the cast slab 14, one or more of the rolls 16 are constituted of dividing rolls 23-26, and auxiliary nozzles 34, 35 for cooling the cast slab 14 are disposed at one side or both sides around the nozzles 18-21 for cooling in the range of 1/8-3/8×W from both end parts, wherein W is the width of the cast slab, and the interval between the nozzles 18-21 and the auxiliary cooling nozzles 34, 35, is in the range of 0.1-0.5×L, wherein L is maximum interval of nozzles 17-22.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供一种制造表面和内部品质优异的铸坯的方法，其中通过抑制和进一步防止当一种钢是一种容易造成模具中的钢水表面变化表面裂纹或内部裂纹或非固定凸起，以高速铸造。解决方案：在铸造板坯的制造方法中，使用具有用于输送铸坯14的辊16和用于冷却铸坯14的喷嘴17-22的弯曲型或纵向和弯曲型连续铸造机10，一个或更多的辊16由分割辊23-26构成，用于冷却铸坯14的辅助喷嘴34,35设置在喷嘴18-21的一侧或两侧，以在1/8的范围内冷却， 3/8×W，其中W是铸坯的宽度，喷嘴18-21和辅助冷却喷嘴34,35之间的间隔在0.1-0.5×L的范围内，其中 L是喷嘴17-22的最大间隔。版权所有（C）2008，JPO＆INPIT

86. 发明专利

JP2008055452A Hardly adherent nozzle for continuous casting 有权
标题翻译：用于连续铸造的HARDLY ADJENENT喷嘴
公开(公告)号：JP2008055452A
公开(公告)日：2008-03-13
申请号：JP2006233892
申请日：2006-08-30
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： SASAKI AKINARI , MORIKAWA KATSUMI , NEHA KEIICHIRO , KOGA SAEKO , AMANO JIRO , FUKUNAGA SHINICHI , TANAKA KAZUHISA
IPC分类号： B22D11/10 , B22D41/50 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To prevent a nozzle body from being cracked in the preheating time or in the using time even without providing a space for an expansion margin in a nozzle for continuous casting in which an inner hole body containing dolomite clinker and less in carbon content is arranged in the inner hole of the nozzle body.
SOLUTION: In the nozzle for continuous casting, the inner hole body is arranged in the inner hole part of the nozzle body. A blending material for the inner hole body is composed of the dolomite clinker, and the grain-size configuration of the blending material in the inner hole body is ≤10 mass% (including 0) of >1 mm grain size, 30-80 mass% of >0.5-1 mm to ≤1 mm grain size and 10-70 mass% of ≤0.5 mm grain size. In the hardly adherent nozzle for continuous casting, the inner hole body is manufactured by adding an organic binder into the blending material, kneading them, then moling and heat-treating them.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止喷嘴体在预热时间或使用时间内在连续铸造用喷嘴中没有设置膨胀余量的空间，其中含有白云石熟料的内孔体和较少的碳含量被布置在喷嘴体的内孔中。解决方案：在用于连续铸造的喷嘴中，内孔体布置在喷嘴体的内孔部分中。用于内孔体的混合材料由白云石熟料组成，内孔体中的混合材料的晶粒尺寸构型为≤10质量％（包括0）>1μm晶粒尺寸，30-80质量％％> 0.5-1mm至≤1mm晶粒度和10-70质量％≤0.5mm晶粒尺寸。在用于连续铸造的几乎不粘附的喷嘴中，通过向混合材料中加入有机粘合剂，捏合它们，然后进行捏合和热处理来制造内孔体。版权所有（C）2008，JPO＆INPIT

87. 发明专利

JP2008043981A Method for continuously casting steel 有权
标题翻译：连续铸钢的方法
公开(公告)号：JP2008043981A
公开(公告)日：2008-02-28
申请号：JP2006222544
申请日：2006-08-17
申请人： Nippon Steel Corp , Nippon Steel Weld Prod & Eng Co Ltd , 新日本製鐵株式会社 , 日鐵溶接工業株式会社
发明人： FUKUNAGA SHINICHI , OKUMURA HIROHIKO , KISHIGAMI KIMIHISA , HIRAMOTO YUJI , TABATA KAZUFUMI , KAWAMURA KENJI , IFUKURO JUNICHI
IPC分类号： B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously casting a steel, realizing high efficiency and high productivity by which in the case of performing the casting of a steel kind in a peritectic zone steel of 0.08-0.14 mass% C content having large solidified shrinkage, or the casting of steel kind containing special elements, such as Nb, V, or in the case of high speed casting, the abnormality of solidified shell in fear, particularly, a break-out according to the solidified delay around the corner part of a mold is prevented from happening. SOLUTION: In the method for continuously casting the steel, by which a cast slab is produced while solidifying molten steel supplied into a mold 10 for continuous casting, and drawing downward of the mold 10, the range of 1-20 mm in the plate thickness of the mold 10, an optical fiber sensor 12 is protected with a metal-made pipe material 11 having 0.2-6 mm inner diameter and a cross sectional void rate of this metal-made pipe material 11 is made to be 40-99.7% and provided with a detecting part 15 detectable to the variation of a wave length caused by the temperature variation of the mold 10, is arranged, and with this sensor, the temperature variation is measured. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种连续铸造钢的方法，实现了在0.08-0.14质量％C含量的包晶区钢中进行钢种铸造的情况下的高效率和高生产率具有大的凝固收缩率，或者含有诸如Nb，V等特殊元素的钢种的铸造，或者在高速铸造的情况下，由于担心的凝固壳异常，特别是根据凝固延迟的突出防止模具的角落部分发生。＆lt; P＆gt;解决方案：在连续铸造钢的方法中，在将供给到用于连续铸造的模具10中的钢水固化并且向下拉模具10的同时，生产铸造板坯，其范围为1-20mm 模具10的板厚度，光纤传感器12被内径为0.2-6mm的金属制管材11保护，该金属制管材11的横截面空隙率为40- 设置有由模具10的温度变化引起的波长变化可检测的检测部15，并且利用该传感器测量温度变化。版权所有（C）2008，JPO＆INPIT

88. 发明专利

JP2007313539A Refining vessel repair method 有权
标题翻译：修理船维修方法
公开(公告)号：JP2007313539A
公开(公告)日：2007-12-06
申请号：JP2006145382
申请日：2006-05-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ITO SATOSHI , FUKUNAGA SHINICHI , MATSUI TAIJIRO , ITAKUSU MOTOKUNI
IPC分类号： B22D41/02
摘要： PROBLEM TO BE SOLVED: To provide a refining vessel repair method which dispenses with a drying time after the repair thereby considerably shortening the repair time, and causes no deterioration in the quality of steel due to picking up hydrogen into the steel.
SOLUTION: The refining vessel repair method is employed for repairing a refining vessel which is used for pouring molten steel into a mold and lined with a refractory. The method is characterized in that powder containing an aggregate having the same component as that of the refractory and aluminum or silicon is sprayed with oxygen onto the repair position of the refractory, and the repair is performed by thermite reaction between the metal and the oxygen, wherein the thermite reaction between the metal and the oxygen is started through the steps of: spouting fuel from a fuel spouting tube 32 and igniting the fuel; spraying the powder while spouting the oxygen from a spray nozzle 31 after the ignition, and starting the thermite reaction; stopping the spouting of the fuel after starting the thermite reaction.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供在修理之后省去干燥时间的精炼容器修复方法，从而大大缩短了修理时间，并且不会由于将氢吸收到钢中而使钢质量下降。解决方案：精炼容器修理方法用于修理用于将钢水浇注到模具中并用耐火材料衬里的精炼容器。该方法的特征在于，将具有与耐火材料和铝或硅相同成分的骨料的粉末用氧气喷射到耐火材料的修复位置，并且通过金属和氧之间的铝热反应进行修复，其中金属和氧之间的铝热反应通过以下步骤开始：从燃料喷射管32喷出燃料并点燃燃料; 在点燃之后从喷嘴31喷出氧气并喷射粉末，并开始热沸腾反应; 在开始热化反应后停止喷射燃料。版权所有（C）2008，JPO＆INPIT

89. 发明专利

JP2007111744A Induction-heating type tundish and repairing method therefor 审中-公开
标题翻译：感应加热式地面及其修复方法
公开(公告)号：JP2007111744A
公开(公告)日：2007-05-10
申请号：JP2005306077
申请日：2005-10-20
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： FUKUNAGA SHINICHI , YAMAZAKI YASUO , TSUZUKI TETSUO , AMANO JIRO , OGATA KOJI
IPC分类号： B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide an induction-heating type tundish and a repairing method therefor, wherein the stuck material stuck on a contacting surface with molten steel in a hollow refractory is reduced than before and the removal of the stuck material is easily performed and a stable casting is attained for long term.
SOLUTION: The induction-heating type tundish 10 is formed with: a steel receiving part 16 for receiving the poured molten steel 15 with a weir 14 which has the hollow refractory 12 for forming a molten steel flowing path 11, formed at the bottom part 13 and is provided with an induction-heating means; and a molten steel discharging part 19 for pouring the molten steel 17 heated in the molten steel flowing path 11 into a mold 18, wherein the stickiness of the stuck material onto the contact surface 22 with the molten steel, is restrained by including CaO component-containing refractories 23, 24 on the molten steel contact surface 22 side of the hollow refractory 12, and a low melting point compound is formed from the CaO component and Al
2 O
3 component in the molten steel 15. In this repairing method, after performing the casting by causing the molten steel 15 to flow into the molten steel flowing path 11, the stuck material on the molten steel contact surface 22 is removed by spraying water onto the refractories 23, 24.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种感应加热型中间包及其修复方法，其中粘贴在与中空耐火材料中的钢水的接触表面上的卡住材料比以前更小，并且卡住的材料的去除容易实现，长期稳定铸造。感应加热型中间包10形成有用于接收浇注钢水15的钢接收部分16，堰14具有形成在钢水流道11的中空耐火材料12，底部13并设置有感应加热装置; 以及将钢水流路11中加热的钢水17注入到模具18中的钢水排出部19，其中通过包含CaO成分分散体来抑制卡合材料与钢水接触面22的粘着性，在中空耐火材料12的钢水接触面22侧含有耐火材料23,24，由CaO成分和Al 2 O 3 / SB 3形成低熔点化合物，在该修补方法中，通过使钢水流入钢水流路11进行铸造之后，通过将水喷射到耐火材料上来除去钢水接触面22上的卡合材料 23，24.版权所有（C）2007，JPO＆INPIT

90. 发明专利

JP2007111723A Method and apparatus for maintenance of tundish 有权
标题翻译：维护维护方法和装置
公开(公告)号：JP2007111723A
公开(公告)日：2007-05-10
申请号：JP2005304477
申请日：2005-10-19
申请人： Astec Irie Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 株式会社アステック入江
发明人： TANAKA KAZUHISA , FUKUNAGA SHINICHI , YAMAJI KIYOSHI , TAKAYAMA YOSHIYUKI , UCHIDA KUNITSUGU
IPC分类号： B22D11/10 , B22D41/02 , F27D1/16 , F27D17/00 , F27D25/00
CPC分类号： Y02P10/283
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for the maintenance of a tundish which can simplify the work for removing residual steel slag from inside of the tundish, improved its workability, and shorten the removal work. SOLUTION: The residual steel slag 12 is removed by cooling and solidifying the slag 12 by jetting an air-water mixture 13 into the tundish 10 in the state that high-temperature residual steel slag 12 is present in the bottom portion 11 of the tundish 10 after the completion of continuous casting. In addition, a maintenance apparatus 17 of the tundish has a plurality of air-water nozzles 14, and can individually control the amount of the air-water mixture jetted from the respective air-water nozzles 14. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于维护中间包的方法和装置，其可以简化从中间包内部除去残余钢渣的工作，提高其可加工性，并缩短去除工作。解决方案：通过在高温残渣钢渣12存在于底部11中的状态下将空气 - 水混合物13喷射到中间包10中来冷却并固化炉渣12来除去残余钢渣12 中间包10连续铸造完成后。此外，中间包的维护装置17具有多个空气 - 水喷嘴14，并且可以单独地控制从各个空气 - 水喷嘴14喷射的空气 - 水混合物的量。版权所有（C） 2007年，日本特许厅和INPIT

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