公开(公告)号：EP1944098B1

公开(公告)日：2010-05-19

申请号：EP07743742.4

申请日：2007-05-15

申请人： Nippon Steel Corporation

发明人： YAMAMOTO, Ryuji ,  SERIZAWA, Yoshihiro ,  OGAWA, Shigeru ,  UENO, Hironori ,  DOKI, Masahiro ,  NISHIYAMA, Yasuhiro

IPC分类号： B21B45/02

CPC分类号： B21B45/0233 ,  B21B45/0218

公开(公告)号：EP2047921A1

公开(公告)日：2009-04-15

申请号：EP07791980.1

申请日：2007-07-30

申请人： Nippon Steel Corporation

发明人： YAMAMOTO, Ryuji ,  SERIZAWA, Yoshihiro ,  OGAWA, Shigeru ,  UENO, Hironori ,  DOKI, Masahiro ,  NISHIYAMA, Yasuhiro

IPC分类号： B21B45/02

CPC分类号： B21B45/0218 ,  B21B45/0233

摘要： An apparatus for controlled cooling of hot steel plate while constraining and conveying the plate by constraining rolls horizontally which is inexpensive and enabling continuous control of the cooling ability over a broad range, that is, a cooling apparatus for spraying hot steel plate hot rolled and transferred between pairs of constraining rolls with cooling water from pluralities of lines of spray nozzles so as to cool the same, which apparatus has lines of gentle cooling spray nozzles and lines of strong cooling spray nozzles with different orifice shapes and enables continuous control of the cooling ability over a broad range due to the fact that a maximum cooling water impact pressure integrated value of the lines of gentle cooling spray nozzles and a minimum cooling water impact pressure integrated value of the lines of strong cooling spray nozzles are continuous.

摘要翻译： 同时限制对热钢板的控制冷却的装置和通过水平所有廉价且使得能够在宽范围的冷却能力连续控制约束辊输送所述板，所做的是，为喷雾热钢板的冷却设备的热轧和转移 对从喷雾喷嘴列的多个冷却水以便冷却相同的，这装置具有缓冷却喷雾喷嘴列，并用不同的孔口形状强冷却喷雾喷嘴列和启用的冷却能力连续控制约束辊对间 在宽范围内由于factthat最大冷却水冲击压力积分缓冷却喷雾喷嘴和强冷却喷雾喷嘴列的最小冷却水冲击压力积分值的线的值是连续的。

公开(公告)号：EP1154678A1

公开(公告)日：2001-11-14

申请号：EP00981694.3

申请日：2000-12-13

申请人： NIPPON STEEL CORPORATION

发明人： KAWACHI, Takeshi ,  YAMAMURA, Kazuto ,  MITAKE, Hiroyuki ,  KINOSHITA, Junichi ,  IMANAGA, Katsuhiro ,  DOKI, Masahiro ,  KIMURA, Yoshiaki ,  KAWABATA, Teruo

IPC分类号： H05H1/26 ,  B22D11/10 ,  H05B7/18

CPC分类号： B22D11/11 ,  B22D41/015 ,  H05B7/00 ,  H05B7/185 ,  H05H1/28 ,  H05H1/34 ,  H05H1/40 ,  H05H2001/3421 ,  H05H2001/3478

摘要： (57) Abstract: An anode for transfer plasma heating in which a DC current is applied to melted metal in a vessel to produce an Ar plasma and heat the melted metal is characterized in that it comprises an anode which has an internal water-cooling structure and is madc of conductive metal, a metallic protective element which is placed outside the anode with a certain gap therebetween and has an internal water-cooling structure, and a gas supply means for supplying an Ar-containing gas into the gap between the anode and the protective element, and the central part of the outer surface of the tip of the anode is recessed.

公开(公告)号：EP2350627A1

公开(公告)日：2011-08-03

申请号：EP08822598.2

申请日：2008-09-17

申请人： Nippon Steel Corporation

发明人： NAKAGAWA, Junichi ,  ITO, Tadayuki ,  NISHIYAMA, Tetsuo ,  DOKI, Masahiro ,  SAITO, Kozo ,  GHARAIBEH, Belal ,  CHUAH, Keng Hoo ,  SALAIMEH, Ahmad ,  YAMAMOTO, Masahiro ,  TAKEUCHI, Tomoya ,  ITO, Kazufumi ,  HUANG, Huaxiong ,  BOHUN, Sean, C.

IPC分类号： G01N25/72

CPC分类号： G01N25/72

摘要： A defect on the surface or in the surface layer of a moving material can be detected by using a method comprising steps of: heating the surface of the material, obtaining thermal image data of the surface of the material using an infrared thermography camera while the surface of the material is being heated up at the heating step or being cooled down after heating, and detecting the defect by calculating Laplacian with respect to temperature of the surface represented by the thermal image data. When the thermal image data is obtained while the material is being heated up, a heating device and the camera is arranged so that thermal energy emitted from the heating device is reflected by the material to come into the camera.

公开(公告)号：EP1944098A1

公开(公告)日：2008-07-16

申请号：EP07743742.4

申请日：2007-05-15

申请人： Nippon Steel Corporation

发明人： YAMAMOTO, Ryuji ,  SERIZAWA, Yoshihiro ,  OGAWA, Shigeru ,  UENO, Hironori ,  DOKI, Masahiro ,  NISHIYAMA, Yasuhiro

IPC分类号： B21B45/02

CPC分类号： B21B45/0233 ,  B21B45/0218

摘要： The present invention relates to an apparatus for cooling hot steel plate applied for controlled cooling of hot steel plate, obtained by hot rolling, while processing it constrained by constraining rolls and obtaining a steel material excellent and uniform in shape characteristics and provides a method of arranging and setting spray nozzles enabling uniform cooling in a direction perpendicular to processing and provides a method of arranging and setting spray nozzles of a spray cooling apparatus using two or more types of nozzles differing in amounts of water and spray regions to obtain a broad range of adjustment of amounts of water, wherein the spray nozzles are arranged so that a value of an n power of the impact pressures of the cooling water sprayed from the spray on the cooling surface integrated in the processing direction between pairs of constraining rolls becomes within -20% of the highest value in the direction perpendicular to processing,
where, 0.05≤n≤0.2

摘要翻译： 本发明涉及一种用于冷却热钢板的冷却装置，该热钢板用于通过热轧获得的热钢板的受控制冷却，同时加工受到约束辊约束，并获得形状特性优良且均匀的钢材，并提供一种布置方法 并设置喷嘴，使得能够在垂直于加工的方向上均匀地冷却，并且提供了使用两种或更多种不同水和喷射区域的喷嘴的喷嘴来布置和设定喷雾冷却装置的喷嘴的方法，以获得宽范围的调节 的水量，其中所述喷嘴被布置成使得从在所述约束辊对之间的加工方向上整合的所述冷却表面上的喷雾喷射的冷却水的冲击压力的n倍的值变为-20％ 在垂直于加工方向的最高值，其中，0.05‰n‰0.2