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公开(公告)号：US20090047536A1
公开(公告)日：2009-02-19
申请号：US11837851
申请日：2007-08-13
申请人： Hiroyuki Otsuka , Koshiro Yamane , Satoshi Terasaki , Mark Schlichting , Rama Ballav Mahapatra , David J. Sosinsky
发明人： Hiroyuki Otsuka , Koshiro Yamane , Satoshi Terasaki , Mark Schlichting , Rama Ballav Mahapatra , David J. Sosinsky
CPC分类号： B22D11/0622 , C22C38/00 , Y10T428/12
摘要： A thin cast steel strip and method of making thereof with improved resistance to microcracking, where the steel strip is produced by continuous casting and contains a carbon content between about 0.010% and about 0.065% by weight, less than 5.0% by weight chromium, at least 70 ppm of total oxygen and between 20 and 70 ppm of free oxygen, and manganese to sulfur ratio greater than about 250. The carbon content in the cast strip may be below about 0.035%, less than 0.005% by weight titanium, and the average manganese to silicon ratio in the strip produced may be greater than 3.5. The carbon content may be less than 0.035%, the casting speed less than 76.68 meters per minute, and the tundish temperature of the molten metal is maintained below 1612° C. (2933.7° F.).
摘要翻译： 一种薄铸钢带及其制造方法，具有改进的耐微裂纹性能，其中钢带通过连续铸造生产并且含有碳含量在约0.010％至约0.065重量％之间，小于5.0重量％的铬，在 至少70ppm的总氧气和20-70ppm的游离氧，以及锰与硫的比率大于约250.铸造带材中的碳含量可以低于约0.035％，小于0.005重量％的钛， 所生产的带材中的平均锰与硅的比率可以大于3.5。 碳含量可以小于0.035％，铸造速度小于76.68米/分钟，熔融金属的中间包温度保持在1612℃以下（2933.7°F）。
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公开(公告)号：US07975754B2
公开(公告)日：2011-07-12
申请号：US11837851
申请日：2007-08-13
申请人： Hiroyuki Otsuka , Koshiro Yamane , Satoshi Terasaki , Mark Schlichting , Rama Ballav Mahapatra , David J. Sosinsky
发明人： Hiroyuki Otsuka , Koshiro Yamane , Satoshi Terasaki , Mark Schlichting , Rama Ballav Mahapatra , David J. Sosinsky
IPC分类号： B22D11/06
CPC分类号： B22D11/0622 , C22C38/00 , Y10T428/12
摘要： A thin cast steel strip and method of making thereof with improved resistance to microcracking, where the steel strip is produced by continuous casting and contains a carbon content between about 0.010% and about 0.065% by weight, less than 5.0% by weight chromium, at least 70 ppm of total oxygen and between 20 and 70 ppm of free oxygen, and manganese to sulfur ratio greater than about 250. The carbon content in the cast strip may be below about 0.035%, less than 0.005% by weight titanium, and the average manganese to silicon ratio in the strip produced may be greater than 3.5. The carbon content may be less than 0.035%, the casting speed less than 76.68 meters per minute, and the tundish temperature of the molten metal is maintained below 1612° C. (2933.7° F.).
摘要翻译： 一种薄铸钢带及其制造方法，具有改进的耐微裂纹性能，其中钢带通过连续铸造生产并且含有碳含量在约0.010％至约0.065重量％之间，小于5.0重量％的铬，在 至少70ppm的总氧气和20-70ppm的游离氧，以及锰与硫的比率大于约250.铸造带材中的碳含量可以低于约0.035％，小于0.005重量％的钛， 所生产的带材中的平均锰与硅的比率可以大于3.5。 碳含量可以小于0.035％，铸造速度小于76.68米/分钟，熔融金属的中间包温度保持在1612℃以下（2933.7°F）。
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公开(公告)号：US08607847B2
公开(公告)日：2013-12-17
申请号：US12186155
申请日：2008-08-05
CPC分类号： B22D11/0622 , B22D11/16
摘要： A method of continuously casting thin strip dynamically controlling roll casting surface configuation by controlling the temperature of water flowing through the longitudinal water flow passages in a cyclindrical tube thickness of no more than 80 millimeters of counter rotated casting rolls, and varying the speed of the casting rolls with attenuation of the ends of the casting rolls with a casting roll drive system responsive to electrical signals received from sensors during a casting campaign.
摘要翻译： 通过控制流过纵向水流通道的水的温度连续铸造薄带，其方法是以不大于80毫米的反向旋转铸辊的循环管厚度，并改变铸造速度 通过响应于在铸造活动期间从传感器接收的电信号的铸辊驱动系统，使铸辊的端部具有衰减的辊。
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公开(公告)号：US07484551B2
公开(公告)日：2009-02-03
申请号：US11548493
申请日：2006-10-11
CPC分类号： B22D11/001 , B22D11/0622
摘要： A method of controlling heat flux between the casting pool and the surfaces of the casting roll in a strip steel casting process includes controlling the concentration of nitrogen in the steel melt. The concentration of nitrogen may be controlled to achieve an operational heat transfer to the casting roll. The beat flux to the casting rolls may be controlled by maintaining the sum of partial pressures calculated from the nitrogen and hydrogen concentrations in the casting pool below 1.15 atmospheres. Decreasing the concentration of nitrogen can increase heat flux at the casting rolls.
摘要翻译： 在带钢铸造工艺中控制浇注池和铸辊表面之间的热通量的方法包括控制钢水中的氮浓度。 可以控制氮的浓度以实现对铸辊的可操作的热传递。 可以通过保持从铸池中的氮和氢浓度计算的分压总和低于1.15大气压来控制到铸辊的通量。 降低氮的浓度可以增加铸辊的热通量。
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公开(公告)号：US08607848B2
公开(公告)日：2013-12-17
申请号：US12511381
申请日：2009-07-29
CPC分类号： B22D11/0622 , B22D11/16
摘要： A method of continuously casting thin strip dynamically controlling roll casting surface configuration by controlling the temperature of water flowing through the longitudinal water flow passages in a cylindrical tube thickness of no more than 80 millimeters of counter rotated casting rolls, and varying the speed of the casting rolls with attenuation of the ends of the casting rolls with a casting roll drive system responsive to electrical signals received from sensors during a casting campaign.
摘要翻译： 通过控制流过纵向水流通道的水的温度连续铸造薄带，其方法是以不超过80毫米的反向旋转浇铸辊的圆柱管厚度，并改变铸造速度 通过响应于在铸造活动期间从传感器接收的电信号的铸辊驱动系统，使铸辊的端部具有衰减的辊。
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公开(公告)号：US20100032128A1
公开(公告)日：2010-02-11
申请号：US12186155
申请日：2008-08-05
CPC分类号： B22D11/0622 , B22D11/16
摘要： A method of continuously casting thin strip dynamically controlling roll casting surface configuation by controlling the temperature of water flowing through the longitudinal water flow passages in a cyclindrical tube thickness of no more than 80 millimeters of counter rotated casting rolls, and varying the speed of the casting rolls with attenuation of the ends of the casting rolls with a casting roll drive system responsive to electrical signals received from sensors during a casting campaign.
摘要翻译： 通过控制流过纵向水流通道的水的温度连续铸造薄带，其方法是以不大于80毫米的反向旋转铸辊的循环管厚度，并改变铸造速度 通过响应于在铸造活动期间从传感器接收的电信号的铸辊驱动系统，使铸辊的端部具有衰减的辊。
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公开(公告)号：US20100032126A1
公开(公告)日：2010-02-11
申请号：US12511381
申请日：2009-07-29
CPC分类号： B22D11/0622 , B22D11/16
摘要： A method of continuously casting thin strip dynamically controlling roll casting surface configuration by controlling the temperature of water flowing through the longitudinal water flow passages in a cylindrical tube thickness of no more than 80 millimeters of counter rotated casting rolls, and varying the speed of the casting rolls with attenuation of the ends of the casting rolls with a casting roll drive system responsive to electrical signals received from sensors during a casting campaign.
摘要翻译： 通过控制流过纵向水流通道的水的温度连续铸造薄带，其方法是以不超过80毫米的反向旋转浇铸辊的圆柱管厚度，并改变铸造速度 通过响应于在铸造活动期间从传感器接收的电信号的铸辊驱动系统，使铸辊的端部具有衰减的辊。
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8.发明授权公开(公告)号：US08322402B2
公开(公告)日：2012-12-04
申请号：US12885988
申请日：2010-09-20
CPC分类号： B22D11/0622 , B22D11/16
摘要： During continuously casting metal strip, delivering molten metal supported on the casting surfaces of the casting rolls, and counter rotating the casting rolls to form metal shells on the casting surfaces brought together at the nip to deliver cast strip downwardly with a controlled amount of mushy material between the metal shells, determining at a reference location downstream from the nip a target temperature for the cast strip corresponding to a desired amount of mushy material between the metal shells of the cast strip, sensing the temperature of the cast strip cast downstream from the nip at the reference location and producing a sensor signal corresponding to the sensed temperature, and causing an actuator to vary the gap at the nip between the casting rolls in response to the sensor signal received from the sensor and processed to determine the temperature difference between the sensed temperature and the target temperature.
摘要翻译： 在连续铸造金属带的过程中，输送支撑在铸辊表面上的熔融金属，并且相反地旋转铸辊，以在辊隙上形成的铸造表面上形成金属壳，以将受控量的糊状材料向下输送 在金属壳之间，确定在辊隙下游的参考位置处铸钢带的目标温度对应于在铸造带材的金属壳之间的期望量的糊状材料的目标温度，感测铸模下游的辊隙温度 并且产生对应于感测到的温度的传感器信号，并且使得致动器响应于从传感器接收到的传感器信号而改变在铸辊之间的辊隙处的间隙，并且被处理以确定所感测的温度差 温度和目标温度。
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9.发明申请公开(公告)号：US20110067835A1
公开(公告)日：2011-03-24
申请号：US12885988
申请日：2010-09-20
CPC分类号： B22D11/0622 , B22D11/16
摘要： During continuously casting metal strip, delivering molten metal supported on the casting surfaces of the casting rolls, and counter rotating the casting rolls to form metal shells on the casting surfaces brought together at the nip to deliver cast strip downwardly with a controlled amount of mushy material between the metal shells, determining at a reference location downstream from the nip a target temperature for the cast strip corresponding to a desired amount of mushy material between the metal shells of the cast strip, sensing the temperature of the cast strip cast downstream from the nip at the reference location and producing a sensor signal corresponding to the sensed temperature, and causing an actuator to vary the gap at the nip between the casting rolls in response to the sensor signal received from the sensor and processed to determine the temperature difference between the sensed temperature and the target temperature.
摘要翻译： 在连续铸造金属带的过程中，输送支撑在铸辊表面上的熔融金属，并且相反地旋转铸辊，以在辊隙上形成的铸造表面上形成金属壳，以将受控量的糊状材料向下输送 在金属壳之间，确定在辊隙下游的参考位置处铸钢带的目标温度对应于在铸造带材的金属壳之间的期望量的糊状材料的目标温度，感测铸模下游的辊隙温度 并且产生对应于感测到的温度的传感器信号，并且使得致动器响应于从传感器接收到的传感器信号而改变在铸辊之间的辊隙处的间隙，并且被处理以确定所感测的温度差 温度和目标温度。
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公开(公告)号：US07926550B2
公开(公告)日：2011-04-19
申请号：US12131465
申请日：2008-06-02
申请人： Walter N. Blejde , Mike Schueren , David J. Sosinsky , Brian D. White , Mark Schlichting , W. Kent Cooper , James Leacock McIntosh , Peter Woodberry , Rama B. Mahapatra , Malcolm McDonald
发明人： Walter N. Blejde , Mike Schueren , David J. Sosinsky , Brian D. White , Mark Schlichting , W. Kent Cooper , James Leacock McIntosh , Peter Woodberry , Rama B. Mahapatra , Malcolm McDonald
CPC分类号： B22D11/0642
摘要： A metal strip casting apparatus and a method of casting continuous metal strip includes assembling a pair of counter-rotatable casting rolls having casting surfaces positioned laterally forming a nip between for casting, and delivering molten metal through a delivery nozzle disposed above the nip capable to form a casting pool supported on the casting rolls. The delivery nozzle comprises segments each having elongate nozzle body with longitudinally extending side walls, end walls and a bottom part to form an inner trough, a nozzle insert disposed above bottom portions of the inner trough of each segment and supported relative to the nozzle body through which incoming molten metal may be delivered to the inner trough of each segment of the delivery nozzle, and the elongate nozzle body of each segment having passageways in fluid communication with the inner trough and outlet openings capable of discharging molten metal from the nozzle body outwardly into the casting pool.
摘要翻译： 金属带铸造装置和铸造连续金属条的方法包括组装一对可逆转铸造辊，其具有横向形成用于铸造的辊隙的铸造表面，并且通过设置在能够形成的辊隙之上的输送喷嘴输送熔融金属 支撑在铸辊上的铸池。 输送喷嘴包括各自具有细长喷嘴体的段，其具有纵向延伸的侧壁，端壁和底部部分以形成内槽，喷嘴插入件设置在每个段的内槽的底部上方并相对于喷嘴体通过 输入的熔融金属可以被输送到输送喷嘴的每个段的内槽，并且每个段的细长喷嘴体具有与能够从喷嘴体向外排出熔融金属的内槽和出口开口流体连通的通道， 铸造池。
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