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1. 发明专利

JP2009161837A Heating furnace and method for controlling temperature of material to be heated 有权
标题翻译：加热炉和控制加热材料温度的方法
公开(公告)号：JP2009161837A
公开(公告)日：2009-07-23
申请号：JP2008002418
申请日：2008-01-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MASUKO SATORU , KARASHIMA HIROSUKE , SAITO TOSHIAKI , AGEO HIDETAKA , IWATANI TATSUO , KUBOYAMA EIICHI
IPC分类号： C21D1/52 , C21D9/00 , F23L15/02 , F27B9/36 , F27B9/40 , F27D19/00
CPC分类号： Y02E20/348
摘要： PROBLEM TO BE SOLVED: To provide a heating furnace which can surely conduct gradient heating and reverse gradient heating, and to provide a method for controlling a temperature of a material to be heated. SOLUTION: The heating furnace 1 for heating a material to be heated which has been charged into the furnace 1 such that the longitudinal direction of the material to be heated becomes perpendicular to the transporting direction of a transportation path provided in the heating furnace 1, while transporting the material along the transportation path, includes: a plurality of thermal-storage type combustion devices 4 which are arranged on both sides of the transportation path in between a 1A side of the charging part and a 1B side of the extracting part in the heating furnace 1 and alternately combust; and a plurality of continuous type combustion devices 5A to 5D which are installed in the upper side of the transportation path, are continuously arranged along a longitudinal direction of the furnace in between the midpoint of the transportation path and the end of the extracting part 1B, are arranged so as to be divided into a plurality of regions along the width direction of the furnace, and can control a combustion amount of each of the regions independently. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够可靠地进行梯度加热和反向梯度加热的加热炉，并且提供一种用于控制待加热材料的温度的方法。解决方案：加热炉1，其被加热到被加热材料的长度方向与加热炉中设置的输送路径的输送方向垂直的加热材料如图1所示，在沿着输送路径输送材料的同时，包括：多个蓄热型燃烧装置4，其配置在充电部的1A侧和提取部的1B侧之间的输送路径的两侧在加热炉1中交替燃烧; 并且安装在输送路径的上侧的多个连续型燃烧装置5A〜5D沿着炉的长度方向在输送路径的中点与提取部1B的端部之间连续配置，被布置成沿着炉的宽度方向被分成多个区域，并且可以独立地控制每个区域的燃烧量。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009263701A Method for heating material to be heated 有权
标题翻译：加热材料加热方法
公开(公告)号：JP2009263701A
公开(公告)日：2009-11-12
申请号：JP2008112709
申请日：2008-04-23
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MASUKO SATORU , KARASHIMA HIROSUKE , SAITO TOSHIAKI , AGEO HIDETAKA , IWATANI TATSUO , KUBOYAMA EIICHI
IPC分类号： C21D1/42 , C21D9/00
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a continuous rolling facility which can correct a temperature distribution in a longitudinal direction of a slab that has been heated under such conditions as to deviate from an original heating condition in a heating furnace, to an appropriate temperature distribution, and roll the slab under the optimum heating condition, and to provide a method for heating the material to be heated by using the continuous rolling facility. SOLUTION: The method for heating the material to be heated by using a continuous heating furnace which can selectively switch the heating condition for the material to be heated between a uniform heating condition and a gradient heating condition, and an induction heating device arranged right in front of a finish rolling mill includes heating the material which has been heated by the continuous heating furnace in the period of switching the heating condition of the continuous heating furnace between the uniform heating condition and the gradient heating condition, by the induction heating device so as to compensate an amount of the insufficient heating which has been generated along the longitudinal direction in the switching period. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种连续轧制设备，其能够在将在加热炉中的原始加热条件下偏离的条件下被加热的板坯的长度方向上的温度分布校正到适当的温度分布温度分布，并在最佳加热条件下轧制板坯，并提供通过使用连续轧制设备加热待加热材料的方法。解决方案：通过使用可以在均匀加热条件和梯度加热条件之间选择性地切换待加热材料的加热条件的连续加热炉来加热待加热材料的方法，以及布置成在精轧机前面包括在均匀加热条件和梯度加热条件下，在连续加热炉的加热条件切换期间，通过感应加热装置对连续加热炉加热的材料进行加热以补偿在切换期间沿长度方向产生的不充分的加热量。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2007307604A Method for producing hot rolled steel sheet 有权
标题翻译：生产热轧钢板的方法
公开(公告)号：JP2007307604A
公开(公告)日：2007-11-29
申请号：JP2006141265
申请日：2006-05-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAYASHIDA TERUKI , KUBOYAMA EIICHI , KARASHIMA HIROSUKE , ARISUMI SEIJI , ABE HIROSHI
IPC分类号： B21B1/26 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a hot rolled steel sheet, which can suppress the generation of scale defects and improve its surface shape, during the hot-rolling. SOLUTION: In the method for producing a hot rolled steel sheet containing, by mass%, 0.04-0.35% C, 0.001-2.5% Si, and 0.1-2.5% Mn, a slab is rough-rolled through a roughing mill 1, then further the slab is hot rolled by a finishing rolling mill3 arranged with 7 stages of rolling stands 2a-2g in the rolling direction. In this case, when the surface temperature of the steel sheet immediately after passage of a first stand 2a and the time reaching a second stand 2b after passage of the first stand 2a are expressed by T (°C) and K (sec), respectively, the surface temperature T (°C) and the time K (sec) are adjusted so that the value S1 defined by the formula A is less than 1.95 and the thickness of surface scales of the steel sheet rolled by the second stand 2b is regulated to ≤10 μm. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供一种在热轧期间能够抑制氧化皮缺陷的产生和表面形状的改善的热轧钢板的制造方法。解决方案：在以质量％计含有0.04-0.35％C，0.001-2.5％Si和0.1-2.5％Mn的热轧钢板的制造方法中，通过粗轧机将板坯粗轧如图1所示，然后通过在轧制方向上配置有7个轧制机架2a-2g的精轧机3将板坯进行热轧。在这种情况下，当第一台2a通过后的钢板的表面温度和通过第一台2a之后到达第二台2b的时间分别由T（℃）和K（秒）表示时调整表面温度T（℃）和时间K（sec），使得由式A定义的值S1小于1.95，并且调节由第二支架2b滚动的钢板的表面尺寸的厚度至≤10μm。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007105787A Rolling machine and rolling method 有权
标题翻译：滚压机和卷取方法
公开(公告)号：JP2007105787A
公开(公告)日：2007-04-26
申请号：JP2005301451
申请日：2005-10-17
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KUBOYAMA EIICHI , HATANO HIROSHI , KARASHIMA HIROSUKE
IPC分类号： B21B27/02 , B21B1/22 , B21B13/14 , B21B31/08
摘要： PROBLEM TO BE SOLVED: To reduce grinding cost as much as possible, that is required for removal of wear portion on the work roll surface caused by rolling.
SOLUTION: A rolling schedule is performed for the designated number of materials by passing a rolling material (a) through a gap between a pair of work rolls 12a, 12b and 13a, 13b supported from the upside and downside by back-up rolls 11a and 11b respectively. After interchanging the work rolls 12a, 12b and 13a, 13b, the subsequent rolling schedule is performed. At that time, the work rolls 12a, 12b and 13a, 13b are interchanged properly in accordance with the maximum plate width Cb of material (a) to be rolled in the subsequent rolling schedule.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：尽可能地降低磨削成本，这是由轧制引起的在工作辊表面上去除磨损部分所需要的。解决方案：通过使滚动材料（a）通过从上侧和下侧支撑的一对工作辊12a，12b和13a，13b之间的间隙通过备用来执行指定数量的材料的滚动计划辊11a和11b分别。在交换工作辊12a，12b和13a，13b之后，执行随后的滚动进度。此时，工件辊12a，12b，13a，13b根据随后的轧制工序中要轧制的材料（a）的最大板宽Cb适当地互换。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006289408A Rolling schedule determination method in hot rolling 有权
标题翻译：滚动滚动时间表测定方法
公开(公告)号：JP2006289408A
公开(公告)日：2006-10-26
申请号：JP2005111629
申请日：2005-04-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KARASHIMA HIROSUKE , KUBOYAMA EIICHI , NOGUCHI KOJI , NAKAMOTO TAKEHIRO
IPC分类号： B21B37/00
摘要： PROBLEM TO BE SOLVED: To provide a rolling method for achieving the target temperature on the finish rolling step inlet side while minimizing the rolling pitch after extracting a work to be rolled from a heating furnace by considering a method for setting the rolling schedule to efficiently perform the temperature control in a rough rolling step when the work is extracted from the heating furnace. SOLUTION: A method for determining the rolling schedule of performing the hot rolling of the work to be rolled which is extracted from the heating furnace comprises: a maximum pitch section selecting step of selecting a section of the maximum pitch when conveying the work at the permissible maximum rate of equipment to constitute a hot rolling line; a temperature adjustment step of adjusting the temperature of the work in one or two or more equipment except the equipment in the section of the maximum pitch and winding equipment out of the equipment to constitute the hot rolling line; and a work extraction step of extracting the next work from the heating furnace at the maximum pitch. Thus, the temperature of the work can be adjusted so that the biting temperature of a finish rolling mill reaches a preset value. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在精轧阶段进入侧实现目标温度的轧制方法，同时通过考虑用于设定轧制进度的方法来最小化从加热炉提取待轧制的工件之后的轧制间距在从加热炉取出作业时，在粗轧工序中有效地进行温度控制。解决方案：一种用于确定从加热炉提取的进行待轧制的热轧的轧制进度的方法，包括：最大节距部分选择步骤，当传送工件时选择最大间距的一部分以设备的允许最大速率构成热轧线; 温度调节步骤，将设备中最大间距和绕线设备的设备之外的一个或两个以上设备中的工件的温度调整到设备外，构成热轧线; 以及以最大间距从加热炉提取下一个工件的工作提取步骤。因此，可以调节工件的温度，使得精轧机的咬入温度达到预设值。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2011058535A Cooling method of lubricating oil fed to reduction roll bearing 有权
标题翻译：润滑油润滑方法减少滚动轴承
公开(公告)号：JP2011058535A
公开(公告)日：2011-03-24
申请号：JP2009207224
申请日：2009-09-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARAKI TAKESHI , KARASHIMA HIROSUKE
IPC分类号： F16N39/02 , B21B31/07 , F16C33/10
摘要： PROBLEM TO BE SOLVED: To provide a cooling method of lubricating oil fed to a rolling role bearing for preventing a trouble of the bearing such as burning by adjusting a temperature of an oil film of the lubricating oil.
SOLUTION: The cooling method cools and adjusts the temperature of the lubricating oil which is circularly fed to bearings 21, 22 to a preset temperature or lower by using a heat exchanger 33 when a steel plate is rolled by using a rolling mill 10 equipped with backup rolls 13, 14. The method comprises a process for obtaining a Sommerfeld number, a process for obtaining an amount of the lubricating oil passing through load faces of the bearings 21, 22 on the basis of the obtained Sommerfeld number, a process for obtaining a friction heating amount at the load face, a process for obtaining the temperature of the oil film of the lubricating oil at the load face, a process for obtaining the thickness of the oil film of the lubricating oil at the load face, and a process for adjusting a cooling temperature of the lubricating oil at the heat exchanger 33 to a temperature of the lubricating oil which can secure the thickness of the oil film or higher, and to the temperature of the oil film of the lubricating oil at the load face or lower.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过调节润滑油的油膜的温度来提供给滚动轴承的润滑油的冷却方法，以防止诸如燃烧的轴承的故障。解决方案：当使用轧机10轧制钢板时，冷却方法通过使用热交换器33将循环地供给到轴承21,22的润滑油的温度冷却并调节到预定温度或更低该方法包括获得Sommerfeld数的方法，根据获得的Sommerfeld数获得通过轴承21,22的载荷面的润滑油量的工序，工序用于获得负载面上的摩擦加热量，获得负载面上的润滑油的油膜温度的工序，获得负载面上的润滑油的油膜厚度的工序，以及用于将热交换器33的润滑油的冷却温度调节到可以确保油膜厚度以上的润滑油的温度以上，以及油膜的温度的负载面或更低的润滑油。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2009248163A Method of manufacturing hot-rolled steel sheet 有权
标题翻译：制造热轧钢板的方法
公开(公告)号：JP2009248163A
公开(公告)日：2009-10-29
申请号：JP2008101011
申请日：2008-04-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAYASHIDA TERUKI , ARAKI SHINICHI , KARASHIMA HIROSUKE
IPC分类号： B21B45/00 , B21B45/02
摘要： PROBLEM TO BE SOLVED: To make a good surface shape by suppressing the generation of scale defects in hot rolling.
SOLUTION: A method has a rough rolling stage where a rough-rolled steel sheet is obtained by performing the rough rolling of a slab manufactured by continuous casting and a finish rolling stage where a hot-rolled sheet is obtained by hot-rolling the rough rolled steel sheet with a finishing mill which is constituted of a plurality of rolling stands. In the finish rolling stage, the surface temperature T of the steel sheet and the concentration M of oxygen are adjusted so that the relationship between the surface temperature T (°C) of the steel sheet after passing through each rolling stand and the concentration M (vol.%) of the oxygen in the atmospheric gas which is in contact with the surface of the steel sheet satisfies the following numerical formula (1): M≤36.4-0.022×T.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过抑制热轧中的氧化皮缺陷的产生来形成良好的表面形状。解决方案：一种粗轧阶段，其中通过连续铸造制造的板坯的粗轧和精轧阶段获得粗轧钢板，其中通过热轧获得热轧板具有由多个轧制机架构成的精轧机的粗轧钢板。在精轧阶段，调整钢板的表面温度T和氧浓度M，使得通过轧制机架后的钢板的表面温度T（℃）与浓度M（与钢板表面接触的气氛气体中的氧的体积百分比满足下式（1）：M≤36.4-0.022×T。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2007275930A Method for manufacturing hot-rolled steel sheet 有权
标题翻译：制造热轧钢板的方法
公开(公告)号：JP2007275930A
公开(公告)日：2007-10-25
申请号：JP2006105406
申请日：2006-04-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAYASHIDA TERUKI , KUBOYAMA EIICHI , KARASHIMA HIROSUKE , ARISUMI SEIJI , ABE HIROSHI
IPC分类号： B21B9/00 , B21B1/26 , B21B45/00 , C21D9/46 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a hot rolled steel sheet by which a surface shape can be made excellent by suppressing the occurrence of scale defects at the time of hot rolling.
SOLUTION: A slab manufactured by continuous casting etc., is heated in a heating furnace and is subjected to rough rolling by a rougher 1, and thereafter, high pressure water 6 is injected from a nozzle 5 of a descaling apparatus to remove the scale formed on the surface. Thereafter, the steel sheet is immediately hot rolled by a finishing mill 3 equipped with rolling stands 2a to 2g. At this time, the nozzle 10 is arranged right behind the first stand 2a, and the water 11 is made to flow out of the nozzle under the conditions of water pressure 2 x minute or the gas of ≤0.1vol.% in oxygen content is made to flow out of the nozzle under the conditions of gaseous pressure 2 x minute to cover the surface of the steel sheet ejected from the first stand 2a with the gas of ≤0.1vol.% in the water or oxygen content.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供一种热轧钢板的制造方法，通过抑制热轧时的氧化皮缺陷的发生，能够使表面形状优异。解决方案：通过连续铸造等制造的板坯在加热炉中加热，并通过粗加工机1进行粗轧，之后，从除锈装置的喷嘴5喷射高压水6以除去表面上形成刻度。然后，利用装备有轧机机架2a〜2g的精轧机3将钢板立即热轧。此时，喷嘴10配置在第一支架2a的正后方，使水11在水压<7.8MPa，水量为200〜1500升/米的条件下流出喷嘴 > 2分钟，或者在气体压力<5MPa，流量为100〜1500升/ m·SP的条件下，使含氧量≤0.1vol％的气体从喷嘴流出 > 2分钟以覆盖从第一台2a排出的钢板的表面，其中在水或氧含量中≤0.1vol％的气体。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2006130540A Method for manufacturing hot rolled long coil 有权
标题翻译：制造热滚长丝的方法
公开(公告)号：JP2006130540A
公开(公告)日：2006-05-25
申请号：JP2004324010
申请日：2004-11-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAMOTO TAKEHIRO , KUBOYAMA EIICHI , TAZAKI FUMITADA , KARASHIMA HIROSUKE , TAKAHASHI KOUYA , YOSHIYAMA TOMOAKI
IPC分类号： B21B45/00 , B21B37/76
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a long coil having a long coil length, which method can avoid the processing troubles caused by the bad shape in a finish rolling process due to the increase of the coil length (the increase of the weight per a coil) and the long stoppage of the rolling line caused by treating the residue of the coil, and further can prevent the generation of the scale defects due to the temperature rise at the surface of steel strips, by a small electric power of a bar heater and without deteriorating the homogeneity of material quality. SOLUTION: A heating pattern of the bar heater for carrying out the heating control for the whole width of a rough bar is varied according to the temperature drop of the rough bar located on the inlet side of the finish rolling mill with the progress of the finish rolling process such that the temperature difference between the portion from the quarter portion of the width to the middle portion of the width and the portion from the edge portion to the quarter portion is within the temperature difference which does not cause the drawing defects. In addition, the heating is carried out while continuing the increase of the rolling speed after the leading edge of the coil has engaged with a coiler until the tail edge of the coil has passed the utmost upstream side stand of the finish rolling mill. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供一种长线圈长度的长线圈的制造方法，该方法可以避免由于线圈长度的增加导致的精轧过程中形状不良引起的加工故障增加线圈的重量）和通过处理线圈的残留物而导致的轧制线的长时间停止，并且还可以防止由于钢带表面的温度升高引起的氧化皮缺陷的产生，由小棒式加热器的电力，并且不会使材料质量的均匀性恶化。
解决方案：用于对粗棒的整个宽度进行加热控制的棒加热器的加热图案根据位于精轧机进口侧的粗棒的温度下降而变化的温度差，使得宽度的四分之一部分的部分与宽度的中间部分之间的温度差以及从边缘部分到四分之一部分的部分之间的温度差在不引起拉伸缺陷的温度差之内。此外，在线圈的前缘与卷取机接合直到线圈的尾缘已经通过精轧机的最上游侧机架的同时继续加速轧制速度的同时进行加热。版权所有（C）2006，JPO＆NCIPI

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