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1. 发明专利

JP2014000585A Method of using ladle nozzle 有权
标题翻译：使用乳液喷嘴的方法
公开(公告)号：JP2014000585A
公开(公告)日：2014-01-09
申请号：JP2012137679
申请日：2012-06-19
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KOBAYASHI TAKASHI
IPC分类号： B22D41/32 , B22D11/10
摘要： PROBLEM TO BE SOLVED: To easily adjust a flow rate of molten steel while securely preventing immersion of the molten steel between pieces of refractory constituting a ladle nozzle and cracks of the refractory.SOLUTION: When using a ladle nozzle 3 that opens/closes by sliding at least two pieces of refractory for a ladle side molten steel hole 19 provided at the bottom of a ladle 2 for streaming molten steel therethrough, it is defined that, before streaming the molten steel inside the ladle 2 into a refractory side molten steel hole 30: a thickness of the refractory t is 30-50 mm; a length of the refractory in the sliding direction L is 500-550 mm; a width of the refractory W is 200-300 mm; a hole diameter of the refractory side molten steel hole 30 is 75-90 mm; a composition of the refractory is 72-80 wt.% of AlO, 8-15 wt.% of ZrOand 5-20 wt.% of C; and a temperature surrounding the refractory side molten steel hole 30 is 500-1600°C.
摘要翻译：要解决的问题：为了容易地调节钢水的流量，同时可靠地防止钢水浸入构成浇包喷嘴的耐火材料块和耐火材料的裂纹之间。解决方案：当使用通过滑动打开/关闭的浇包喷嘴3时设置在用于使钢水流过的钢包2的底部的用于钢包钢水钢孔19的至少两块耐火材料，其定义是在钢水包2内的钢水流入耐火钢水钢水孔30之前：耐火材料t的厚度为30-50mm; 耐火材料在滑动方向L上的长度为500-550mm; 耐火材料W的宽度为200〜300mm; 难熔侧钢水孔30的孔径为75〜90mm; 耐火材料的组成为72-80重量％的AlO，8-15重量％的ZrO和5-20重量％的C; 围绕耐火侧钢水孔30的温度为500〜1600℃。

2. 发明专利

JP2011230154A Method for using fountain in continuous casting 有权
标题翻译：在连续铸造中使用方法
公开(公告)号：JP2011230154A
公开(公告)日：2011-11-17
申请号：JP2010102633
申请日：2010-04-27
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KOBAYASHI TAKASHI
IPC分类号： B22D11/10 , B22D11/00 , B22D41/54 , C21C7/00
摘要： PROBLEM TO BE SOLVED: To prevent carbon included in a fountain from being mixed in molten steel when extremely-low carbon steel is cast.SOLUTION: The fountain is used for making the flow of molten steel pass when the molten steel in a ladle is injected into a tundish at a continuous casting step. The composition of the fountain is as follows, C:28-34%, SiO:19-25%, and AlO:41-49%. The thickness of the part immersed in the molten steel in the tundish of the fountain is 40-60 mm. When the extremely-low carbon steel, in which the carbon content in the molten steel is ≤40 ppm, is cast, by using the fountain for the charge just before the extremely-low carbon steel is cast, the lower part of the fountain is immersed in the molten steel in the tundish. The carbon content of the molten steel component of the last charge is ≤0.3%. The immersion time to immerse the lower part of the fountain in the molten steel of the last charge is ≥60 minutes.
摘要翻译：要解决的问题：为了防止喷射器中包含的碳在铸造极低碳钢时混入钢水中。解决方案：当钢包中的钢水以连续铸造步骤注入中间包时，喷泉用于使钢水流通。喷泉的组成如下：C：28-34％，SiO 2 ：19-25％，Al 2 3 ：41-49％。浸在喷泉中间包中的钢水中的部分的厚度为40-60mm。当钢水中的碳含量低于40ppm的极低碳钢被铸造时，通过使用在极低碳钢铸造之前进行充电的喷泉，喷泉的下部是浸入中间包中的钢水中。最后一次充电的钢水部件的碳含量≤0.3％。将喷泉的下部浸入最后一次装料的钢水中的浸渍时间≥60分钟。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2008264827A Method for improving central segregation of spring steel in continuous casting 审中-公开
标题翻译：改进连续铸造中弹簧钢中心分离的方法
公开(公告)号：JP2008264827A
公开(公告)日：2008-11-06
申请号：JP2007110902
申请日：2007-04-19
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TERAUCHI MASAHIKO , KOBAYASHI TAKASHI , SUMIDA KAZUTAKE , NAKADA HITOSHI , MORISHITA MASAFUMI , FUNAOKA YOICHI
IPC分类号： B22D11/00 , B22D11/124 , B22D11/128 , B22D11/16 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method for a spring steel of which the central segregation is reduced based on concrete operating conditions.
SOLUTION: The thickness D [mm] in the upper end of a mold is controlled to 270 to 310, casting velocity Vc [m/min] is controlled to 0.80 to 0.95, specific water content Wt [L/kg
Steel ] is controlled to 0.20 to 0.60, and a molten steel superheat degree ΔT [°C] is controlled to 15 to 45. The roll gradient GRD [mm/m] in the section where meniscus distance M [m] is 24.2 to 25.9 is controlled to 0.6 to 4.4; similarly, that in the section of 25.9 to 27.5 is controlled to 0.5 to 2.5; that in the section of 27.5 to 29.1 is controlled to 0.2 to 1.6, and that in the section of 29.1 to 30.7 is controlled to 0.0 to 0.6.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种基于具体操作条件减少中心偏析的弹簧钢的连续铸造方法。解决方案：将模具上端的厚度D [mm]控制在270〜310，浇铸速度Vc [m / min]控制在0.80〜0.95，比水含量Wt [L / kg 钢]控制在0.20〜0.60，将钢水过热度ΔT[℃]控制在15〜45°。弯液面距离M [m ]为24.2〜25.9，控制在0.6〜4.4; 类似地，将25.9至27.5的部分控制在0.5至2.5; 将27.5至29.1的部分控制在0.2至1.6，将29.1至30.7的部分控制在0.0至0.6。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008036670A Method for restarting continuous casting of steel through basin in tundish 有权
标题翻译：通过盆地连续铸造连续铸钢的方法
公开(公告)号：JP2008036670A
公开(公告)日：2008-02-21
申请号：JP2006213514
申请日：2006-08-04
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KOBAYASHI TAKASHI
IPC分类号： B22D11/18 , B22D11/08 , B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide a method for restarting continuous casting of steel, which does not block a molten steel passage 4 formed at the bottom part of a tundish 3. SOLUTION: (1) Molten steel is stored in the tundish 3 for three hours or more. (2) A pipe 8 having a prescribed shape is erected at the bottom part of the tundish 3 that is made nearly empty. (3) The tundish 3 is kept nearly empty for three hours or less. (4) Molten steel having an overheat temperature ΔT [°C] of 25-50 is poured into the tundish 3, while supplying from the inner peripheral surface of a first sliding nozzle 5 into the molten steel passage 4 Ar gas of a predetermined supply amount Q Ar [NL/min]. (5) At the time when the depth Y [mm] of the molten steel in the tundish 3 exceeds the extending length L [mm] of the cylindrical pipe 8 by 50 [mm] or more, the molten steel passage 4 is made open. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种重新开始连续铸钢的方法，其不会阻塞形成在中间包3的底部的钢水通道4.解决方案：（1）熔钢被储存在中间包3里3个小时以上。（2）具有规定形状的管8竖立在几乎为空的中间包3的底部。（3）中间包3几乎空了三个小时以上。（4）将过热温度ΔT[℃]为25〜50的熔融钢水从第一滑动喷嘴5的内周面供给到钢水通道4中预先给出的Ar气体量Q Ar [NL / min]。（5）在中间包3中的钢水的深度Y [mm]超过圆筒管8的延伸长度L [mm]为50 [mm]以上时，使钢水通道4打开。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2006239758A DIFFERENT STEEL CONSECUTIVE CASTING METHOD 审中-公开
公开(公告)号：JP2006239758A
公开(公告)日：2006-09-14
申请号：JP2005061291
申请日：2005-03-04
申请人： KOBE STEEL LTD
发明人： KOBAYASHI TAKASHI , YOSHIMORI KIMITO
IPC分类号： B22D11/10 , B22D11/18
摘要： PROBLEM TO BE SOLVED: To suppress the falling-down of each solidified shell as possible. SOLUTION: In the different steel consecutive casting method where casting to a precharge 2a in a tundish 5 and casting to a postcharge 2b of a steel kind different from that of the precharge 2a are continuously performed, for suppressing the falling-down of the solidified shell 13 of the precharge 2a within a mold 6, from the time before the feed of the precharge 2a to the mold 6 is stopped, based on the weight of the tundish storing the prestage 2a, as the casting rate of the precharge 2a is reduced, casting is performed. COPYRIGHT: (C)2006,JPO&NCIPI

6. 发明专利

JP2006218520A Method for changing support roll unit, and method of continuous casting 有权
标题翻译：改变支撑辊单元的方法和连续铸造方法
公开(公告)号：JP2006218520A
公开(公告)日：2006-08-24
申请号：JP2005034998
申请日：2005-02-10
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KOBAYASHI TAKASHI , SUMIDA KAZUTAKE
IPC分类号： B22D11/128
摘要： PROBLEM TO BE SOLVED: To prevent bad effects on central segregation even if a step is generated between adjacent support rolls.
SOLUTION: In the present method, the support roll units 8 are changed such that the step H between a fixed side support roll 6 of the support roll unit 8 and the fixed side support roll 6 of the adjacent support roll unit 8 is within the range from 0.1 to 1.5 mm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在相邻的支撑辊之间产生台阶，也可防止对中心偏析的不良影响。解决方案：在本方法中，改变支撑辊单元8，使得支撑辊单元8的固定侧支撑辊6与相邻支撑辊单元8的固定侧支撑辊6之间的台阶H为在0.1至1.5mm的范围内。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2000351050A METHOD FOR SUPPLYING POWDER FOR CONTINUOUS CASTING AND SUPPLYING DEVICE THEREOF 失效
公开(公告)号：JP2000351050A
公开(公告)日：2000-12-19
申请号：JP37524499
申请日：1999-12-28
申请人： KOBE STEEL LTD , TOYO HITEC KK
发明人： KOBAYASHI TAKASHI , OKAZAKI TOSHIYUKI , AOKI SHUJI
IPC分类号： B22D11/108
摘要： PROBLEM TO BE SOLVED: To eliminate the clogging of a pipe, to restrain the generation of dust and to improve the surroundings by forming negative pressure in a conveying pipe with suction from a supplying hopper side and conveying powder in the conveying pipe into the supplying hopper side. SOLUTION: Exhaust nozzles 18a, b are fitted to flexible containers 10a, b, and blasting means 17a, b and the conveying pipe 12 are connected. One side of the flexible container 10a side is opened with a switching valve 11 and the powder in the inner part is stirred by blasting into the flexible container 10a with the blasting means 17a. A suction pump 15 is worked, and the powder in the flexible container 10a is sucked into the supplying hopper 14 through the conveying pipe 12. The powder is not directed to the suction pump 15 with a filter 24 at the upper part of the supplying hopper 14 and only the air is directed to the suction pump 15. When the conveying is completed, the suction pump 15 is stopped and a shut-off valve 16a is opened and a vibrator 20 is vibrated to supply the powder into the mold.

8. 发明专利

JPH0716718A MANUFACTURE OF COLD ROLLED STEEL SHEET EXCELLENT IN SURFACE PROPERTY 失效
公开(公告)号：JPH0716718A
公开(公告)日：1995-01-20
申请号：JP18444593
申请日：1993-06-29
申请人： KOBE STEEL LTD
发明人： OKANO YOICHIRO , MUKAI YOICHI , KOBAYASHI TAKASHI , KAGEYAMA HIDEO
IPC分类号： B21B1/22 , B21B1/46 , B22D11/00 , B22D11/16 , B22D11/20 , C21D8/02 , C21D9/46 , C22C38/00 , C22C38/14
摘要： PURPOSE:To improve workability and surface property without causing the excess restriction of component and increase of cost at the time of manufacturing a cold rolled dead soft steel sheet by continuously casting under specified casting conditions. CONSTITUTION:A cold rolled steel sheet contains, by weight, ), (a)

9. 发明专利

JP2008062251A Method for reducing central segregation of spring steel in continuous casting of large cross section bloom 有权
标题翻译：用于减少连续铸造大型交叉部分弹簧的弹簧钢的中心分离的方法
公开(公告)号：JP2008062251A
公开(公告)日：2008-03-21
申请号：JP2006240209
申请日：2006-09-05
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE , KOBAYASHI TAKASHI , NAKADA HITOSHI , MORISHITA MASAFUMI
IPC分类号： B22D11/128 , B22D11/00 , B22D11/20 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method of spring steel, which method can reduce central segregation based on specific operational conditions.
SOLUTION: The central segregation of the spring steel containing 0.55 to 0.65 wt.% of C. 1.30 to 2.10 wt.% of Si, 0.40 to 1.10 wt.% of Mn, and 0.10 to 0.70 wt.% of Cr is reduced as follows. The thickness D of a casting mold is set to 350 to 410 mm. The casting speed Vc is set to 0.50 to 0.65 m/min. The specific water content Wt is set to 0.25 to 1.00 L/kg
Steel . The degree ΔT of super heating is set to 10 to 45°C. The gradient GRD of a roll in a meniscus length M of 10.0 to 22.3 m is set to 0.0 to 5.0 mm/m. The gradient GRD of the roll in a meniscus length M of 22.3 to 25.9 m is set to 0.5 to 3.0 mm/m. The gradient GRD of the roll in a meniscus length M of 25.9 to 27.5 m is set to 1.0 to 2.0 mm/m. The gradient GRD of the roll in a meniscus length M of 27.5 to 32.3 m is set to 0.5 to 1.5 mm/m.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供弹簧钢的连续铸造方法，该方法可以根据具体的操作条件减少中心偏析。
解决方案：含有0.55-0.65重量％的C 1.30至2.10重量％的Si，0.40至1.10重量％的Mn和0.10至0.70重量％的Cr的弹簧钢的中心偏析是减少如下。铸模的厚度D设定为350〜410mm。铸造速度Vc设定为0.50〜0.65m / min。比水含量Wt设定为0.25〜1.00L / kg 钢。超加热度ΔT设定为10〜45℃。弯曲面长度M为10.0〜22.3μm的辊的梯度GRD为0.0〜5.0mm / m。弯曲面长度M为22.3〜25.9μm的辊的梯度GRD为0.5〜3.0mm / m。弯曲面长度M为25.9〜27.5μm的辊的梯度GRD为1.0〜2.0mm / m。弯曲面长度M为27.5〜32.3μm的辊的梯度GRD为0.5〜1.5mm / m。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2008062250A Method for reducing central segregation of machine structural steel in continuous casting of large cross section bloom 有权
标题翻译：连续铸造大型交叉部分机械结构钢中心分离的方法
公开(公告)号：JP2008062250A
公开(公告)日：2008-03-21
申请号：JP2006240208
申请日：2006-09-05
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE , KOBAYASHI TAKASHI , NAKADA HITOSHI , MORISHITA MASAFUMI
IPC分类号： B22D11/128 , B22D11/00 , B22D11/20 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method of machine structural steel, which method can reduce central segregation based on specific operational conditions. SOLUTION: The central segregation of the machine structural steel containing 0.47 to 0.60 wt.% of C. 0.10 to 0.30 wt.% of Si, 0.50 to 1.00 wt.% of Mn, and 0.10 to 0.30 wt.% of Cr is reduced as follows. The thickness D of a casting mold is set to 350 to 410 mm. The casting speed Vc is set to 0.50 to 0.65 m/min. The specific water content Wt is set to 0.25 to 1.00 L/kg Steel . The degree ΔT of super heating is set to 10 to 45°C. The gradient GRD of a roll in a meniscus length M of 10.0 to 22.3 m is set to 0.0 to 5.0 mm/m. The gradient GRD of the roll in a meniscus length M of 22.3 to 25.9 m is set to 0.0 to 0.5 mm/m. The gradient GRD of the roll in a meniscus length M of 25.9 to 27.5 m is set to 1.0 to 2.0 mm/m. The gradient GRD of the roll in a meniscus length M of 27.5 to 32.3 m is set to 0.5 to 2.0 mm/m. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供机械结构钢的连续铸造方法，该方法可以根据具体的操作条件减少中心偏析。
解决方案：含有0.47〜0.60重量％的C的机械结构钢的中心偏析，0.10〜0.30重量％的Si，0.50〜1.00重量％的Mn和0.10〜0.30重量％的Cr 减少如下。铸模的厚度D设定为350〜410mm。铸造速度Vc设定为0.50〜0.65m / min。比水含量Wt设定为0.25〜1.00L / kg 钢。超加热度ΔT设定为10〜45℃。弯曲面长度M为10.0〜22.3μm的辊的梯度GRD为0.0〜5.0mm / m。弯曲面长度M为22.3〜25.9μm的辊的梯度GRD为0.0〜0.5mm / m。弯曲面长度M为25.9〜27.5μm的辊的梯度GRD为1.0〜2.0mm / m。弯曲面长度M为27.5〜32.3μm的辊的梯度GRD为0.5〜2.0mm / m。版权所有（C）2008，JPO＆INPIT

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