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1. 发明专利

JP2008101249A Hot dip galvannealing device, and method for producing hot dip galvannealed steel sheet 有权
标题翻译：热脱盐沟槽装置及其制造方法
公开(公告)号：JP2008101249A
公开(公告)日：2008-05-01
申请号：JP2006284935
申请日：2006-10-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： OKADA NOBUYOSHI , ONOZAWA HAJIME
IPC分类号： C23C2/40 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvannealing device by which, even when bottom dross is deposited to some extent, sticking of the bottom dross to a steel sheet can be evaded regardless of operating conditions, and to provide a method for producing a hot dip galvannealed steel sheet using the same. SOLUTION: In the hot dip galvannealing device, a steel sheet with the desired maximum sheet thickness can be subjected to plating treatment, and also, the plating treatment is made possible at the desired maximum plating velocity V(m/min), the distance L1(m) from the lower end of a pot roll to the bottom part of a plating pot, the distance L2(m) from the one side end part of the steel sheet with the maximum sheet width to the horizontal side wall of the plating pot proximate thereto, and the distance L3(m) from a bath rising pass line to the steel sheet inlet side wall in the plating pot are set so as to satisfy (V-70) 0.67 /(13×(L1-0.5)×(L2-0.5)×L3) COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种热浸镀锌退火装置，即使在一定程度上沉积底渣时，无论操作条件如何，都可以避免将底渣附着到钢板上，并提供一种方法用于制造使用其的热浸镀锌合金化热镀锌钢板。解决方案：在热浸镀锌合金化装置中，可以对具有所需最大板厚的钢板进行电镀处理，并且可以以期望的最大镀层速度V（m / min）进行镀覆处理，从罐辊下端到镀槽底部的距离L1（m），从钢板宽度最大的一侧端部到水平侧壁的距离L2（m）电镀锅附近的电镀锅以及电镀槽中的钢液进入侧壁的距离L3（m）设定为满足（V-70） 0.67 （13×（L1-0.5）×（L2-0.5）×L3）<1.5。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007191745A High-strength hot-dip galvanized steel sheet, its manufacturing device, and manufacturing method of high-strength hot dip zincing steel sheet 有权
标题翻译：高强度热镀锌钢板，其制造装置和高强度热镀锌钢板的制造方法
公开(公告)号：JP2007191745A
公开(公告)日：2007-08-02
申请号：JP2006009745
申请日：2006-01-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ITO TATEO , SUEMUNE YOSHIHIRO , NISHIYAMA TETSUO , HONDA KAZUHIKO , OKADA NOBUYOSHI
IPC分类号： C21D9/56 , C21D9/46 , C22C38/00 , C22C38/02 , C22C38/04 , C23C2/02 , C23C2/28 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a high-strength hot-dip galvanized steel sheet having excellent plating property and excellent corrosion resistance and containing Si of high concentration, and also to provide its manufacturing device, and a manufacturing method of a high-strength hot-dip zincing steel sheet.
SOLUTION: In the manufacturing method of the high-strength hot-dip galvanized steel sheet subjected to the continuous hot dip galvanization, when a high-strength steel sheet containing Si of 0.4-2.0 mass% is subjected to the continuous hot dip galvanization, the steel sheet is pre-heated, and the steel sheet is reduced by a direct-fired reduction furnace in a reducing atmosphere in which the air ratio of a direct-fired reduction burner is set to be ≥0.6 and below 0.9. Thereafter, the steel sheet is reduced by an indirect heating furnace for performing the hydrogen reduction in an atmosphere in which log (PH
2 O/PH
2 ) of the partial pressure of water and the partial pressure of hydrogen satisfies inequalities (1), -1.6≤log (PH
2 O/PH
2 )≤-0.5. Reduction and cooling are performed in the atmosphere in which inequality (2), log (PH
2 O/PH
2 )≤-1.5, is satisfied in a section from the indirect heating furnace to a snout part on a plating equipment inlet side. Hot-dip zincing is performed after the hot dip galvanization.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了提供具有优异的电镀性能和优异的耐腐蚀性并且含有高浓度的Si的高强度热浸镀锌钢板，并且还提供其制造装置，以及高的制造方法强度热镀锌钢板。解决方案：在进行连续热浸镀锌的高强度热浸镀锌钢板的制造方法中，当将含有0.4-2.0质量％的Si的高强度钢板进行连续热浸时镀锌，预热钢板，并且在直接还原炉的空气比设定为≥0.6且低于0.9的还原气氛中，通过直接还原炉还原钢板。此后，通过间接加热炉将钢板还原，在间隔加热炉中，在其中log（PH 2 O / PH 2 ）的气氛中进行氢还原水和氢的分压满足不等式（1），-1.6≤log（PH 2 O / PH 2 ）≤-0.5。在不等式（2），log（PH 2 O / PH 2 ）≤-1.5的气氛中进行还原和冷却，加热炉到电镀设备入口侧的口部。热镀锌后进行热镀锌。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2003027145A Cooling zone in continuous annealing furnace and method for controlling cooling 有权
标题翻译：连续退火炉的冷却区和控制冷却的方法
公开(公告)号：JP2003027145A
公开(公告)日：2003-01-29
申请号：JP2001208685
申请日：2001-07-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKEMURA SUKEBUMI , HOSHINO MASANORI , TERAHARA KOICHI , OKADA NOBUYOSHI , NANRI SATOSHI
IPC分类号： C23C2/00 , C21D9/573 , C21D11/00 , C23C2/02 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To efficiently perform a cooling control with high accuracy to continuous annealing plate and hot-dip coated plate, different in suitable plate temperature at outlet side of a furnace, respectively, in a continuous annealing furnace of a facility for both of the continuous annealing and the hot-dip metal coating.
SOLUTION: A cooling zone where a gas-jet system variable-speed blower is arranged is divided into three parts in a progressing direction of the passing plate and a plate-thermometer is set at the outlet side in each control zone and the cooling zone is provided with a control mechanism which controls the variable-speed blower in each control zone based on a preset cooling pattern and the measured value of each plate-thermometer. Further, a heater is disposed in at least a second control zone, and the control mechanism is provided with a heater control function, too, in the cooling zone. When the hot-dip coated plate is cooled, the second control zone is desirable to be a slow-cooling zone or a keeping zone.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了有效地对连续退火板和热浸镀板进行冷却控制，在炉的出口侧的适当的板温度分别在用于两者的设备的连续退火炉中连续退火和热浸金属涂层。解决方案：设置气体喷射系统变速风机的冷却区域在通过板的前进方向上分为三部分，在每个控制区域的出口侧设置板温度计，冷却区域设置有基于预设的冷却模式和每个板温度计的测量值来控制每个控制区域中的变速鼓风机的控制机构。此外，在至少第二控制区域中设置加热器，并且控制机构也在冷却区域中设置有加热器控制功能。当热浸涂层板被冷却时，第二控制区域希望是缓慢冷却区域或保持区域。

4. 发明专利

JP2003021325A Method of controlling combustion of continuous heating furnace using regenerative radiant tube 有权
标题翻译：使用再生辐射管控制连续加热炉的燃烧方法
公开(公告)号：JP2003021325A
公开(公告)日：2003-01-24
申请号：JP2001208684
申请日：2001-07-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKEMURA SUKEBUMI , HOSHINO MASANORI , TERAHARA KOICHI , OKADA NOBUYOSHI , NANRI SATOSHI
IPC分类号： F23D14/12 , F23C3/00 , F23L15/02
CPC分类号： Y02E20/348
摘要： PROBLEM TO BE SOLVED: To raise the responsiveness of control when performing time proportion system of combustion control at load change such as size alteration, etc., in a continuous heating furnace using a regenerative radiant tube, and to prevent the acceleration of deterioration of heat accumulator material by performing restoration in the case that the heat balance of the heat accumulator is lost by having raised the responsiveness.
SOLUTION: In a method of providing a combustion stop time as occasion demands within a changeover setting time in alternating combustion and altering the rate of combustion time within the changeover setting time, according to the load change, the interval between the points of time to issue alteration commands is made an integer times, twice or over, the changeover setting time. It is desirable to measure the temperatures of the heat accumulators of both burners and switch the combustion in the direction of reducing the temperature difference or stop the combustion when the temperature difference is over a specified value, and it is desirable to integrate the differences between the combustion times of both burners and switch the combustion in the direction of reducing the difference or stop the combustion when the integrated value is over a specified value.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：在使用再生辐射管的连续加热炉中，在进行尺寸变更等负载变化时的燃烧控制的时间比例系统的情况下，提高控制的响应性，防止加热劣化在通过提高响应性而损失蓄热器的热平衡的情况下进行恢复的蓄电池材料。解决方案：根据负载变化，在交替燃烧的切换设定时间内提供燃烧停止时间的方法，并根据负荷变化，改变发生时间点之间的时间间隔更改命令是整数倍，两次或更多次，转换设置时间。期望测量两个燃烧器的蓄热器的温度，并且当温度差超过规定值时，在降低温度差的方向上切换燃烧或停止燃烧，并且期望将燃烧器之间的差异两个燃烧器的燃烧时间，并且当积分值超过规定值时，在减小差异或停止燃烧的方向上切换燃烧。

5. 发明专利

JP2003027199A Producing facility used for both of cold-rolled steel sheet and hot-dip coated steel sheet 有权
标题翻译：生产用于两辊冷轧钢板和热镀铝钢板的设备
公开(公告)号：JP2003027199A
公开(公告)日：2003-01-29
申请号：JP2001209083
申请日：2001-07-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MAEHARA KAZUYOSHI , OKADA NOBUYOSHI , HONDA TOSHIMITSU , HORIBE HIROYUKI , WATANABE KAZUO
IPC分类号： B21B1/22 , C23C2/00 , C23C2/08 , C23C2/10 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a producing facility used for both of a cold-rolled steel sheet and a hot-dip coated steel sheet in which atmosphere in an annealing furnace and a cold-rolling pass-root for cold-rolled steel sheet is kept and changeover of the pass-roots for the hot-dip coated steel sheet and the cold-rolled steel sheet, is easily performed and quantity of the cold-rolled steel sheet can be made good.
SOLUTION: This producing facility is provided with a changeover means 40 for selecting the hot-dip coating root 23 for producing the hot-dip coated steel sheet 11a by feeding a thin steel sheet 11 coming out from the annealing furnace 12 to a hot-dipping vessel 15, or the cold-rolled pass-root 24 for producing the cold-rolled steel sheet 11b without passing the thin steel sheet 11 coming out from the antenna furnace 12 through the hot-dipping vessel 15. Further, an atmosphere shut-off means 30 for shutting off the cold-rolling pass-root 24 when the thin steel sheet 11 is fed to the hot-dipping vessel 15, is provided.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提供一种用于冷轧钢板和热镀锌钢板的制造设备，其中在退火炉中的气氛和冷轧钢板的冷轧根底是可以容易地进行热浸镀锌钢板和冷轧钢板的根管的保持切换，能够使冷轧钢板的数量变得良好。解决方案：该生产设备设置有转换装置40，用于通过将从退火炉12出来的薄钢板11送入热浸镀层中，选择用于制造热浸镀钢板11a的热浸涂层根部23 容器15或用于制造冷轧钢板11b的冷轧通根24，而不使经由热浸容器15从天线炉12出来的薄钢板11通过。此外，气氛切断提供了当将薄钢板11供给到热浸容器15时，关闭冷轧通根24的装置30。

6. 发明专利

JP2007291473A Method for producing hot dip galvanized steel strip 审中-公开
标题翻译：生产热镀锌钢带的方法
公开(公告)号：JP2007291473A
公开(公告)日：2007-11-08
申请号：JP2006122751
申请日：2006-04-27
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ISHIBASHI HIROO , KIMURA YOSHITAKA , NISHIMURA FUTOSHI , ONOZAWA HAJIME , OKADA NOBUYOSHI
IPC分类号： C23C2/00 , C22C18/04 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a continuous hot dip plating production method by which in a continuous hot dip plating operation, the occurrence of dross itself is exceedingly reduced, thereby the frequency of a dross recovery operation is extremely reduced, and surface defects such as flaws caused by dross do not occur, while high productivity is obtained.
SOLUTION: The method for producing the hot dip galvanized steel strip is characterized in that a galvanizing pot in a hot dip galvanizing line where plating is continuously applied to the surface of a steel sheet to produce the hot dip galvanized steel strip is discontinuously replenished with hot dip zinc.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种连续的热浸镀生产方法，其中在连续热浸镀操作中，渣渣本身的发生极大地减少，从而极大地减少了浮渣回收操作的频率，并且表面不会发生诸如由浮渣引起的缺陷的缺陷，同时获得高生产率。解决方案：热浸镀锌钢带的制造方法的特征在于，在钢板表面连续施加电镀以产生热浸镀锌钢带的热浸镀锌线中的镀锌锅不连续用热浸锌补充。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2006250469A Device for removing foreign matter from molten metal 审中-公开
标题翻译：从金属中去除外来物质的装置
公开(公告)号：JP2006250469A
公开(公告)日：2006-09-21
申请号：JP2005069231
申请日：2005-03-11
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAMOTO RYUICHI , KATSUBE MAKOTO , OKADA NOBUYOSHI , TAGUCHI MASAKUNI
IPC分类号： F27D3/16 , C21C7/06 , C21C7/072 , C23C2/00
摘要： PROBLEM TO BE SOLVED: To provide a device using fine bubbles for removing floating foreign matter from molten metal subjected to continuous treatment such as continuous molten metal plating bath.
SOLUTION: The device 9 for removing the floating foreign matter from the molten metal comprises metal protecting tubes 11 in which a plurality of ceramic thin tubes 12 are mounted with mortar and attached to an inert gas introducing pipe 13. The ceramic thin tubes 12 for generating fine bubbles have a small inner diameter of 0.3 mm or smaller or an inner diameter of 5 mm or smaller with the inner hole filled with a porous material or ceramic fibers. The front end of the ceramic tubing 12 can be protruded a distance longer than the target diameter of the bubble from the front end of the metal protecting tube 11.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使用细小气泡的装置，用于从连续熔融金属电镀浴等连续处理的熔融金属中除去漂浮的异物。解决方案：用于从熔融金属中除去浮动异物的装置9包括金属保护管11，其中多个陶瓷细管12用砂浆安装并附着到惰性气体导入管13上。陶瓷细管用于产生细小气泡的气泡12，内孔填充有多孔材料或陶瓷纤维，其内径小于0.3mm，内径为5mm以下。陶瓷管12的前端可以从金属保护管11的前端突出一个比泡沫的目标直径更长的距离。（C）2006年，JPO和NCIPI

8. 发明专利

JP2004027340A Combination equipment for cold rolled steel sheet and hot dip metal coated steel sheet 有权
公开(公告)号：JP2004027340A
公开(公告)日：2004-01-29
申请号：JP2002189443
申请日：2002-06-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HORIBE HIROYUKI , MAEHARA KAZUYOSHI , OKADA NOBUYOSHI
IPC分类号： C23C2/00 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide combination equipment for a cold rolled steel sheet and a hot dip metal coated steel sheet capable of stabilizing equipment efficiency as the combination equipment for the cold rolled steel sheet and the hot dip metal coated steel sheet to a high level by preventing foreign substances from sticking to a switching roll surface.
SOLUTION: The switching roll 36 which is disposed in a branching section 35 of a threading path 21 for hot dip metal coating and a threading path 31 for annealing on the outlet side of a final heat treatment furnace 20 and introduces a thin steel sheet 11 to the threading path 31 for annealing is provided with a scraping member 37 for preventing the foreign substances flying through the threading path 21 for the hot dip metal coating from hot dip metal coating equipment 14 for applying the hot dip metal coating to the cold rolled steel sheet 11 past the threading path 21 for the hot dip metal coating from sticking to the surface of the switching roll 36.
COPYRIGHT: (C)2004,JPO

9. 发明专利

DE60133912D1 未知
公开(公告)号：DE60133912D1
公开(公告)日：2008-06-19
申请号：DE60133912
申请日：2001-09-13
申请人： NIPPON STEEL CORP
发明人： HOSHINO MASANORI , TERAHARA KOUICHI , TAKEMURA MOTOFUMI , OKADA NOBUYOSHI
IPC分类号： C21D9/56 , C21D9/573 , C23C2/00 , C23C2/02 , C23C2/40
摘要： The present invention provides a dual-purpose installation for continuous annealing and hot dip plating to produce a continuously annealed steel sheet and a hot dip plated steel sheet by switching process routes in the single installation, and according to the present invention, by installing a bypass facility which leads a steel sheet from a continuous annealing furnace to a water quenching facility without it traveling through a plating pot and a plating facility in the a dual-purpose installation for continuous annealing and hot dip plating, it becomes possible to prevent the steel sheet coming out from the annealing furnace from being exposed to the outside atmosphere and being oxidized during the production of a continuously annealed product and to realize a less expensive dual-purpose installation for continuous annealing and hot dip plating.

10. 发明专利

CA2261749A1 RUSTPROOF STEEL SHEET FOR AUTOMOBILE FUEL TANK WITH EXCELLENT RESISTANCE WELDABILITY CORROSION RESISTANCE AND PRESS MOLDABILITY 未知
公开(公告)号：CA2261749A1
公开(公告)日：1998-02-05
申请号：CA2261749
申请日：1997-07-31
申请人： NIPPON STEEL CORP
发明人： OKADA NOBUYOSHI , OHMORI TAKAYUKI , IZAKI TERUAKI , FUDA MASAHIRO , MAKI JUN
IPC分类号： B05D7/00 , C23C28/00 , B60K15/03 , B23K11/06 , C23C2/12 , C23C22/24
摘要： A preservative steel plate including (a) a steel plate, (b) an aluminum plating layer formed on one or both sides of the steel plate and using aluminum or an aluminum alloy containing 2-15 wt.% of silicon, and (c) a coating layer formed on at least one aluminum plating layer mentioned above. The aluminum plating layer is one of i) a resin chromate film of 0.1-2 .mu.m in thickness containing a resin and a chromate and having a resin/metallic chromium weight ratio of 0.5-18; ii) an inorganic chromate film the amount of which is 10-200 mg/m2 in terms of metallic chromium, containing 100 parts by weight of chromate in terms of metallic chromium and 100-1000 parts by weight of colloidal silica in terms of metallic chromium, and one or more of 100-600 parts by weight of phosphate, 10-200 parts by weight of phosphonate and less than 50 parts by weight of resin; iii) an inorganic chromate film the amount of which is not less than 10 mg/m2 and less than 35 mg/m2 in terms of metallic chromium. The aluminum-plated steel plate is suitable for fuel tanks. An automobile fuel tank having high durability, formability and weldability, and a fuel tank seam welding method are also disclosed.

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