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1. 发明专利

JP2009252643A Induction heating apparatus and method 有权
标题翻译：感应加热装置和方法
公开(公告)号：JP2009252643A
公开(公告)日：2009-10-29
申请号：JP2008101622
申请日：2008-04-09
申请人： Fuji Electric Systems Co Ltd , Nippon Steel Corp , 富士電機システムズ株式会社 , 新日本製鐵株式会社
发明人： MOCHINAGA HIROTERU , ISHIZAKI KAZUNARI , KOGA SHIGENOBU , KATAOKA TAKEHARU , UMETSU KENJI , MATSUNAGA YASUZUMI , IKEDA YASUYUKI
IPC分类号： H05B6/36 , C21D9/56 , C21D9/60 , H05B6/10 , H05B6/44
CPC分类号： H05B6/362 , C21D1/42 , C21D8/02 , C21D9/56 , C21D9/60 , Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide an induction heating apparatus capable of changing variation of a temperature raising speed for heating a steel plate while improving energy efficiency; and an induction heating method. SOLUTION: This application provides this induction heating apparatus which continuously heats a steel plate by a solenoid system. The induction heating apparatus 1 comprises: at least three heating coils 10A to 10D which are arranged along the longitudinal direction of the steel plate such that the steel plate 2 passes through the inside thereof; and inductance adjusters 12A to 12D which are arranged on electrical pathways 11 electrically interconnecting the respective heating coils and a power source for applying voltage to the respective heating coils, and can generate self-induction and adjust self-inductance in the self-induction. The respective inductance adjusters are arranged such that mutual induction is generated at least between mutually adjacent inductance adjusters. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够改善加热钢板的升温速度的变化同时提高能量效率的感应加热装置; 和感应加热方法。解决方案：本申请提供了一种通过螺线管系统连续加热钢板的感应加热装置。感应加热装置1包括：至少三个加热线圈10A至10D，其沿着钢板的纵向方向布置，使得钢板2穿过其内部; 以及电感调节器12A〜12D，其配置在电气通路11上，电气互连各自的加热线圈和用于向各个加热线圈施加电压的电源，并且可以在自感应中产生自感应并调节自感。相应的电感调节器布置成使得至少在相互相邻的电感调节器之间产生互感。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2011224635A Continuous casting apparatus of steel 有权
标题翻译：连续铸钢装置
公开(公告)号：JP2011224635A
公开(公告)日：2011-11-10
申请号：JP2010098581
申请日：2010-04-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , NAKAJIMA JUNJI , MARUKI YASUO , YAMASAKI NORIMASA , TSUNENARI KEIJI , UMETSU KENJI
IPC分类号： B22D11/115 , B22D11/04 , B22D11/10 , B22D11/11
摘要： PROBLEM TO BE SOLVED: To improve the quality of a cast slab by reducing the amount of Ar gas bubbles contained in the cast slab to be continuously cast.SOLUTION: Curved parts 11a, 11b curved in a protrusion manner to electromagnetic stirring apparatuses 7a, 7b are formed at the positions opposite to at least immersion nozzles 21 in long side walls 3a, 3b. The long side walls 3a, 3b have a uniform thickness including the curved parts 11a, 11b. The minimum horizontal distance between tops of the curved parts 11a, 11b and the immersion nozzles 21 is ≥30 mm and ≤80 mm in a range from the lower end of the electromagnetic stirring apparatus 7a in the vertical direction to the position higher than the upper end of the electromagnetic stirring apparatus 7a by 50 mm.
摘要翻译：要解决的问题：通过减少连续铸造的铸坯中含有的Ar气泡的量来提高铸坯的质量。解决方案：在与长边侧壁3a，3b中的至少浸入式喷嘴21相对的位置处，形成有以电磁搅拌装置7a，7b突出的方式弯曲的弯曲部11a，11b。长侧壁3a，3b具有包括弯曲部分11a，11b的均匀厚度。弯曲部分11a，11b和浸入喷嘴21的顶部之间的最小水平距离在电磁搅拌装置7a的下端在垂直方向上至高于上部的位置的范围内为≥30mm且≤80mm 电磁搅拌装置7a的端部50mm。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011056566A Method for manufacturing continuous casting slab and facility for continuous casting 有权
标题翻译：制造连续铸造板材的方法和连续铸造设备
公开(公告)号：JP2011056566A
公开(公告)日：2011-03-24
申请号：JP2009211427
申请日：2009-09-14
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , NAKAJIMA JUNJI , YAMAMURA HIDEAKI , MARUKI YASUO , UMETSU KENJI
IPC分类号： B22D11/12 , B22D11/124 , B22D11/128
摘要： PROBLEM TO BE SOLVED: To provide a facility for continuous casting which have a zone for soft reduction with rolls for soft reduction and which adequately and efficiently heats the shorter side of the zone according to the temperature distribution regardless of cooling the full width of the longer side of the zone or cooling the longer side of the zone with smaller amount of water as a secondary cooling without increasing the roll force for soft reduction, which reduces the central segregation caused by soft reduction. SOLUTION: The facility for continuous casting includes: around the entrance of the F zone, one or more plasma torches T arranged at the outer side of both side surfaces of the slab H; the shorter sides S of the slab H irradiated with plasma arc P under an alternative magnetic field by an electromagnetic coil 34; and the plasma torches T1-T3 whose outputs are controlled to control the average temperature of the cross-section of the shorter sides of the slab at the soft reduction zone. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种连续铸造设备，其具有用于软还原的辊的软压下区域，并且可以根据温度分布充分有效地加热区域的较短侧，而不管冷却全宽度或者用较少量的水作为二次冷却来冷却该区域的长边，而不增加用于软还原的辊力，这减少了由软还原引起的中心偏析。
解决方案：连续铸造设备包括：围绕F区的入口，在板H的两个侧表面的外侧布置一个或多个等离子体炬T; 在电磁线圈34的替代磁场下用等离子弧P照射的板条H的短边S; 以及控制其输出的等离子体炬T1-T3，以控制在软还原区的板坯的短边的横截面的平均温度。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011056565A Method for manufacturing continuous casting slab and facility for continuous casting 有权
标题翻译：制造连续铸造板材的方法和连续铸造设备
公开(公告)号：JP2011056565A
公开(公告)日：2011-03-24
申请号：JP2009211425
申请日：2009-09-14
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , NAKAJIMA JUNJI , YAMAMURA HIDEAKI , MARUKI YASUO , UMETSU KENJI
IPC分类号： B22D11/128 , B22D11/12 , B22D11/124
摘要： PROBLEM TO BE SOLVED: To provide a facility for continuous casting which have a zone for soft reduction with rolls for soft reduction and which adequately and efficiently heats the shorter side of the zone according to the temperature distribution regardless of cooling the full width of the longer side of the zone or cooling the longer side of the zone with smaller amount of water as a secondary cooling without increasing the roll force for soft reduction, which reduces the central segregation caused by soft reduction. SOLUTION: The facility for continuous casting includes an induction heating coil 34 which is arranged at the outer side of both the side surfaces of the slab H near the entrance of the soft reduction zone, which heats at least the center of both shorter sides of a slab, and whose output is controlled to control the heating of the shorter sides to have the cross-sectional average temperature of the shorter sides S of the soft reduction zone of the slab H to be the temperature as a result 100°C or more deducted from the solidus temperature of the slab. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种连续铸造设备，其具有用于软还原的辊的软压下区域，并且可以根据温度分布充分有效地加热区域的较短侧，而不管冷却全宽度或者用较少量的水作为二次冷却来冷却该区域的长边，而不增加用于软还原的辊力，这减少了由软还原引起的中心偏析。
解决方案：连续铸造设备包括感应加热线圈34，该感应加热线圈34布置在靠近软质还原区的入口的板坯H的两个侧表面的外侧，至少加热两个较短的中心并且其输出被控制以控制短边的加热，使得板坯H的软质还原区的短边S的横截面平均温度为100℃的温度或更多地从板坯的固相线温度中扣除。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010212033A Transverse-type induction heating device 有权
标题翻译：横向型感应加热装置
公开(公告)号：JP2010212033A
公开(公告)日：2010-09-24
申请号：JP2009055624
申请日：2009-03-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UMETSU KENJI , UEKI TSUTOMU
IPC分类号： H05B6/10 , H05B6/36
摘要： PROBLEM TO BE SOLVED: To provide a transverse-type induction heating device capable of adjusting a temperature distribution in a width direction of a metal plate to be heated without using a specific coil and adjusting the position of the coil.
SOLUTION: An upper coil 12 is disposed in a switchback shape in the length direction of a stainless steel plate 100 in an area on the upper side of the stainless steel plate 100 and a lower coil 13 is disposed to in a switchback shape in the width direction of the stainless steel plate 100 in an area on the lower side of the stainless steel plate 100. The upper coil 12 and the lower coil 13 are connected in series with an AC current source, by which an eddy current flowing into the stainless steel plate 100 can be distributed in the plaided pattern.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种横向式感应加热装置，其能够在不使用特定线圈并调节线圈的位置的情况下，调节待加热的金属板的宽度方向上的温度分布。解决方案：在不锈钢板100的上侧的区域中，上部线圈12沿不锈钢板100的长度方向设置为倒退形状，下部线圈13设置成回转形状在不锈钢板100的下侧的区域中的不锈钢板100的宽度方向上。上部线圈12和下部线圈13与AC电流源串联连接，通过该AC电流流入不锈钢板100可以以格子图案分布。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010168656A Surface layer melting treatment method, surface layer-modified steel slab and worked product 有权
标题翻译：表面层熔融处理方法，表面改性钢板和工作产品
公开(公告)号：JP2010168656A
公开(公告)日：2010-08-05
申请号：JP2009294471
申请日：2009-12-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAMOTO KENICHI , FUJI TAKEHIKO , HAMAYA HIDEKI , TAKEUCHI JUN , UMETSU KENJI , TSUNENARI KEIJI
IPC分类号： C23C26/00 , B21B45/00 , B22D11/00 , B22D11/12 , B22D29/00 , H05H1/40
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a composite steel slab having a surface modified layer thicker than the conventional one and also having a reduced variation in the depth direction by plasma heating in a technique where the surface layer part of a steel slab is inexpensively subjected to melting treatment without reducing productivity so as to achieve high purification, and a technique where metal elements, alloys or different kinds of steels are added to the surface layer melting treated part so as to achieve high functionality. SOLUTION: The surface layer of a steel slab which is conveyed is preheated by at least any method selected from burner heating, induction heating and plasma heating, and thereafter, the surface layer part to ≥10 mm from the surface of the steel slab is subjected to melting treatment at a surface heat input density of ≥20 W/mm 2 by plasma heating. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制备具有比常规的表面改性层更厚的复合钢坯的方法，并且通过等离子体加热具有减小的深度方向的变化的技术，其中，表面层部分在不降低生产率的前提下，钢坯经济地进行熔融处理，从而实现高纯度化，并且将金属元素，合金或不同种类的钢添加到表层熔融处理部分中以达到高功能性的技术。解决方案：通过从燃烧器加热，感应加热和等离子体加热中选择的至少任何一种方法预热所输送的钢板的表面层，此后，从钢表面至表面层≥10mm的表面层通过等离子体加热，在≥20W/ mm 2 的表面热输入密度下进行熔融处理。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010059478A Method for reforming surface layer of cast slab of steel 有权
标题翻译：改造铸钢板表面层的方法
公开(公告)号：JP2010059478A
公开(公告)日：2010-03-18
申请号：JP2008226194
申请日：2008-09-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAMAYA HIDEKI , YAMAMOTO KENICHI , TANAKA JUN , FUJI TAKEHIKO , TSUNENARI KEIJI , UMETSU KENJI , TAKEUCHI JUN
IPC分类号： C23C26/00 , B22D11/00 , B22D11/12
摘要： PROBLEM TO BE SOLVED: To provide a method for reforming surface layer of a cast slab of steel capable of reliably reforming a surface layer of the cast slab of steel containing copper by reducing variance of the nickel concentration distribution in the surface layer, and preventing cracks during the hot working.
SOLUTION: In the methof for reforming surface layer of the cast slab of steel, a wire 7 is formed into droplets while oscillating the wire 7, and fed to a molten pool 8 so as to satisfy inequalities: 4Lo/Fo
摘要翻译：解决问题的方案为了提供一种能够通过减少表面层中的镍浓度分布的变化而能够可靠地重整含铜钢的铸造板坯的表面层的钢的铸造板的表面层的重整方法，并且在热加工期间防止裂纹。解决方案：在用于重铸钢板的表面层的炉中，在将钢丝7摆动的同时，将线7形成为液滴，并且供给到熔池8中，以满足不等式：4Lo / Fo

8. 发明专利

JP2010110765A Continuous casting apparatus for steel 有权
标题翻译：连续铸钢装置
公开(公告)号：JP2010110765A
公开(公告)日：2010-05-20
申请号：JP2008282981
申请日：2008-11-04
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , YAMAMURA HIDEAKI , UMETSU KENJI
IPC分类号： B22D11/04 , B22D11/10 , B22D11/11 , B22D11/115
CPC分类号： B22D11/115 , B22D11/043
摘要： PROBLEM TO BE SOLVED: To reduce Ar gas bubbles included in the slab to be continuously cast and to improve the quality of the slab.
SOLUTION: The continuous casting apparatus 1 has: a die 2 provided with a pair of long side walls 2a and a pair of short side walls 2b; and an immersion nozzle 6 discharging molten steel 8 to the inside of the die 2. A curved part 5 curved to the side of a box 4a made of stainless steel is formed at the upper center of the inner side face of a copper plate 3a in each long side wall 2a. The curved part 5 is formed so as to be confronted with the immersion nozzle 6. The outer side face of the copper plate 3a of each long side wall 2a is formed so as to be a flat face. The inside of the box 4a made of stainless steel of each long side wall 2a is provided with an electromagnetic stirring device 20 stirring the molten metal 8 at the upper part in the die 2. The lower part of the electromagnetic stirring device 20 is provided with an electromagnetic braking device applying a d.c. magnetic field having a uniform magnetic flux density distribution uniform in the width direction of the die 2 to the thickness direction of the die 2.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：减少连续铸造的板坯中包含的Ar气泡并提高板坯的质量。解决方案：连续铸造设备1具有：设置有一对长侧壁2a和一对短侧壁2b的模具2; 以及将钢水8排出到模具2的内部的浸渍喷嘴6.在铜板3a的内侧面的上侧的中央形成有弯曲到不锈钢制的箱体4a侧的弯曲部5，每个长侧壁2a。弯曲部分5形成为与浸入式喷嘴6相对。每个长侧壁2a的铜板3a的外侧面形成为平坦的面。每个长侧壁2a由不锈钢制成的箱体4a的内部设置有电磁搅拌装置20，搅拌模具2上部的熔融金属8.电磁搅拌装置20的下部设有应用dc的电磁制动装置具有在模具2的宽度方向上相对于模具2的厚度方向均匀的磁通密度分布的磁场。（C）2010，JPO＆INPIT

9. 发明专利

JP2010058145A Method for reforming surface layer of cast steel billet 有权
标题翻译：改造铸钢板表面层的方法
公开(公告)号：JP2010058145A
公开(公告)日：2010-03-18
申请号：JP2008226193
申请日：2008-09-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAMAYA HIDEKI , YAMAMOTO KENICHI , TANAKA JUN , FUJI TAKEHIKO , TSUNENARI KEIJI , UMETSU KENJI , TAKEUCHI JUN
IPC分类号： B22D11/00 , B22D11/12 , B22D19/00 , B22D19/16 , B23K9/00 , B23K9/022 , B23K9/04 , B23K9/095 , B23K10/02 , B23K35/30 , B23K103/04 , C22C19/03 , C22C38/00 , C23C26/00
摘要： PROBLEM TO BE SOLVED: To provide a method for reforming the surface layer of a cast steel billet which securely reforms the surface layer of the cast steel billet containing copper and can prevent the occurrence of cracks during hot working.
SOLUTION: In the method, a wire 7 is continuously fed into a melt pool 8 being stirred by oscillating the wire 7, while adjusting the center position of oscillation of the wire 7 to the center between plasma torches 3 so as to satisfy the following formula: 4Lo/Fo
摘要翻译：要解决的问题：提供一种对含有铜的铸钢坯的表层进行可靠改造的铸钢坯的表面层的重整方法，能够防止热加工时的裂纹的产生。解决方案：在该方法中，将线7连续地供给到通过使线7摆动而搅拌的熔池8中，同时将线7的振荡的中心位置调整到等离子体炬3之间的中心，以满足以下公式：4Lo / Fo

10. 发明专利

JP2005230847A Method for continuously casting molten metal 有权
标题翻译：连续铸造金属的方法
公开(公告)号：JP2005230847A
公开(公告)日：2005-09-02
申请号：JP2004041858
申请日：2004-02-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TANI MASAHIRO , FUJI TAKEHIKO , UMETSU KENJI , MIMURA YOSHITO , OKUMURA HIROHIKO
IPC分类号： B22D11/11 , B22D11/10 , B22D11/114 , B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a casting method, by which regarding the method for continuously casting a cast slab from molten metal, a meniscus state on the molten metal is stabilized and improving effects of lubrication and surface characteristic of the cast slab can stably be obtained by changing the dipping depth of a molten metal pouring nozzle according to the distribution of magnetic flux density to the casting direction in a mold.
SOLUTION: In the method for continuously casting the molten metal, by which AC is energized to a solenoid type electromagnetic coil disposed so as to surround the mold or to the solenoid type electromagnetic coil embedded into the mold wall, and the electromagnetic force is impressed to the molten metal in the mold and the casting is performed while changing the meniscus shape, the position of a spouting hole of the molten metal pouring nozzle is adjusted according to the distribution of the magnetic flux density in the casting direction in the mold.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种铸造方法，通过该方法，关于从熔融金属连续铸造铸坯的方法，使熔融金属上的弯液面状态稳定，并且铸造板坯的润滑和表面特性的改善效果可以通过根据在模具中的磁通密度分布到铸造方向改变熔融金属浇注嘴的浸入深度来稳定地获得。解决方案：在连续铸造熔融金属的方法中，通过AC将电力供给到围绕模具设置的螺线管式电磁线圈或嵌入到模具壁中的螺线管型电磁线圈，并且电磁力对模具中的熔融金属施加压力，并且在改变弯液面形状的同时进行铸造，根据模具中的铸造方向上的磁通密度的分布来调整熔融金属浇注嘴的喷射孔的位置。版权所有（C）2005，JPO＆NCIPI

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