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1. 发明专利

JP2008264830A Method for improving central segregation of high-carbon chromium bearing steel in continuous casting 审中-公开
标题翻译：改善连续铸造高碳钢轴承钢中心分离的方法
公开(公告)号：JP2008264830A
公开(公告)日：2008-11-06
申请号：JP2007111212
申请日：2007-04-20
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 , FUNAOKA YOICHI
IPC分类号： B22D11/128 , B22D11/00 , B22D11/124 , B22D11/20 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method for a high-carbon chromium bearing 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 0.60 to 0.80, 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 1.6 to 3.1; similarly, that in the section of 25.9 to 27.5 is controlled to 0.9 to 2.8; that in the section of 27.5 to 29.1 is controlled to 0.2 to 2.2, and that in the section of 29.1 to 30.7 is controlled to 0.0 to 1.3.
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使中心偏析减少的高碳铬轴承钢的连续铸造方法。
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0.60〜0.80，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1.6〜3.1; 同样，将25.9至27.5节控制在0.9至2.8; 将27.5至29.1的部分控制在0.2至2.2，将29.1至30.7的部分控制在0.0至1.3。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009183977A Light rolling reduction method for slab in continuous casting 有权
标题翻译：连续铸造中的SLAB的轻钢滚动减少方法
公开(公告)号：JP2009183977A
公开(公告)日：2009-08-20
申请号：JP2008026396
申请日：2008-02-06
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MORISHITA MASAFUMI , KOBAYASHI TAKASHI , SUMIDA KAZUTAKE
IPC分类号： B22D11/20 , B22D11/00 , B22D11/115 , B22D11/128 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To provide a light rolling reduction method for a slab which can surely suppress central segregation. SOLUTION: When a molten steel for a steel wire lying in a prescribed range is poured into a mold at a molten steel superheating degree of 10 to 45[°C], is subjected to electromagnetic stirring in the mold at a strength of 50,000 to 500,000[Gauss 2 /sec], and, while being cooled at a specific water content of 0.25 to 1.0[l/kg] in a secondary cooling zone, is continuously cast at a casting rate of 0.50 to 0.65[m/min], so as to produce a slab with a thickness of 350 to 410[mm], light rolling reduction is performed by two or more roll pairs. Then, provided that the casting direction distance is defined as X[m], the rolling reduction rate is defined as R[mm/min], and a standard distance calculated based on the superheating degree of the molten steel, the specific water content, the electromagnetic stirring strength in the mold, the casting rate, the thickness of the slab, a carbon content or the like is defined as S[m], 0≤R≤1.0 is set in the section of 0.67×S≤X COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够可靠地抑制中心偏析的板坯的轻压轧方法。解决方案：将用于规定范围的钢丝的钢水以10〜45℃的钢水过热度注入模具时，以模具的强度进行电磁搅拌 50,000至500,000 [高斯 2 /秒]，并且在二次冷却区中以特定的含水量为0.25至1.0 [l / kg]冷却，以铸造速率 0.50〜0.65 [m / min]，制成厚度为350〜410 [mm]的板坯，通过两辊以上进行轻轧。然后，如果将铸造方向距离定义为X [m]，则将轧制压下率定义为R [mm / min]，将基于钢水的过热度，比水分，模具中的电磁搅拌强度，铸造速度，板坯厚度，碳含量等定义为S [m]，在0.67×S≤X

3. 发明专利

JP2009148788A Method for restarting continuous casting of steel using pouring basin in tundish employing steel pipe 审中-公开
标题翻译：采用钢管连续铸造连续铸造钢管的方法
公开(公告)号：JP2009148788A
公开(公告)日：2009-07-09
申请号：JP2007328164
申请日：2007-12-20
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE
IPC分类号： B22D11/10 , B22D11/08
摘要： PROBLEM TO BE SOLVED: To provide a method for restarting continuous casting of steel using a pouring basin in tundish, which prevents clogging of a nozzle, improves the quality of the bottom of a casting piece and is easily operated. SOLUTION: Prior to restart of pouring of molten steel to a tundish 3, a steel pipe 12 is provided above a sliding nozzle 5. The steel pipe 12 has a thickness t [mm] meeting formula (1) and formula (2), and a length L [mm] of 350-550. Before completion of blocking of the molten steel by the steel pipe 12, the sliding nozzle 5 is brought into a closed state in advance. In this case, T LL denotes a liquidus temperature [°C], ΔT denotes a molten steel overheat temperature [°C] and äΔT} denotes a target value [°C] of the molten overheat temperature ΔT[°C]. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供使用中间包中的倾倒盆重新开始钢的连续铸造的方法，其防止喷嘴堵塞，提高了铸件底部的质量并且容易操作。解决方案：在将钢水重新浇注到中间包3之前，钢管12设置在滑动喷嘴5的上方。钢管12具有满足公式（1）和式（2）的厚度t [mm] ），长度L [mm]为350-550。在通过钢管12完成钢水的堵塞之前，滑动喷嘴5预先进入关闭状态。在这种情况下，T LL 表示液相线温度[℃]，ΔT表示钢水过热温度[℃]，äΔT}表示熔融过热温度ΔT的目标值[℃] [C]。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2007044743A Continuously casting facility and method for cast slab 有权
标题翻译：连续铸造设备和铸件的方法
公开(公告)号：JP2007044743A
公开(公告)日：2007-02-22
申请号：JP2005233164
申请日：2005-08-11
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE
IPC分类号： B22D11/124 , B22D11/128
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method with which development of internal crack and surface crack in a cast slab are restrained.
SOLUTION: In the continuous casting method with which the cast slab is cast while supporting and guiding the cast slab from both surfaces with roll belt including an arc part arranged in the arc state side by side, the interval of rolls at the inlet of the arc part is made 200(mm)-390(mm) and cooling strength from right under a mold to the finish solidifying position of the cast slab is made 0.6(L/kg of steel)-3.0(L/kg of steel) in specific water quantity (the ratio of water consumption quantity to weight of cast slab) in the case of the water cooling and further, a drawing-down speed of the cast slab in the whole arc part is controlled so as to satisfy the condition of following formula (1): 0.0004(min
-1 )×D≤Vsq≤0.0009(min
-1 )×D ...(1). Wherein, Vsq: drawing-down speed(mm/min) of the cast slab, D: interval(mm) of rolls at the inlet of the arc part.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种连续铸造方法，其中限制了铸坯中的内部裂纹和表面裂纹的发展。解决方案：在铸造铸坯的铸造连续铸造方法中，在从包括圆弧状并排设置的辊筒的辊子的两面支撑并引导铸坯的连续铸造方法中，入口处的辊的间隔的圆弧部分为200（mm）-390（mm），铸模右侧的冷却强度为0.6（L / kg钢）-3.0（L / kg钢）在水冷却的情况下的特定水量（铸坯的耗水量与重量的比）），并且进一步控制整个弧形部分中铸坯的拉拔速度，以满足条件（1）：0.0004（min -1 ）×D≤Vsq≤0.0009（min -1 ）×D ...（1）。其中，Vsq：铸坯的拉拔速度（mm / min），D：圆弧部的入口处的辊的间隔（mm）。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2013111650A Method for constructing spray material in tundish 有权
标题翻译：在土耳其建造喷涂材料的方法
公开(公告)号：JP2013111650A
公开(公告)日：2013-06-10
申请号：JP2011263478
申请日：2011-12-01
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE
IPC分类号： B22D41/02 , B22D11/10 , C04B35/66 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To prevent peeling of a spray material upon wet spraying the spray material of an MgO material on an operation surface side of a refractory constructed in a tundish.SOLUTION: When performing construction by wet-spraying the spray material 5 of an MgO material on a working surface 4 side of the refractory constructed in the tundish, the spray material 5 having a compressive strength of 3-15 MPa at 110 °C is sprayed in two layers. The thickness of the first layer is 20 mm or more and the total sprayed thickness of the spray material 5 is 30-60 mm. When a crack occurring during curing after the spraying has a width of 10 mm or more, the crack is repaired. The moisture content of the spray material before heating the tundish is 14 mass% or less.
摘要翻译：要解决的问题：为了防止在中间包中构造的耐火材料的操作表面侧上湿式喷涂MgO材料的喷涂材料，防止喷涂材料剥离。解决方案：通过将MgO材料的喷涂材料5湿式喷涂在中间包构造的耐火材料的工作表面4侧进行施工时，在110℃下抗压强度为3-15MPa的喷涂材料5 C喷涂成两层。第一层的厚度为20mm以上，喷涂材料5的总喷涂厚度为30〜60mm。当喷涂后的固化期间发生的裂纹的宽度为10mm以上时，修复裂纹。加热中间包前喷雾材料的含水量为14质量％以下。版权所有（C）2013，JPO＆INPIT

6. 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

7. 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

8. 发明专利

JP2006136902A Continuous casting method 有权
标题翻译：连续铸造方法
公开(公告)号：JP2006136902A
公开(公告)日：2006-06-01
申请号：JP2004326575
申请日：2004-11-10
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE , NAKADA HITOSHI
IPC分类号： B22D11/20 , B22D11/00 , C22C38/00 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method where casting speed is made high as possible, so as to increase productivity without generating the problem on run-out or the like at the time of bloom cutting.
SOLUTION: Provided that the thickness of a bloom is defined as D, the distance from a meniscus in a mold to a final stand roll as L1 (cm), and the distance from the meniscus in the mold to a bloom cutting position as L2 (cm), operation is performed in such a manner that casting speed Vc(cm/min) is controlled so as to be within the ranges of the maximum casting speed Vmax prescribed by the following formula (1) and the minimum casting speed Vmin prescribed by the following formula (2): Vmax=(2k/D)
2 ×(L2-200) (1), and Vmin=(2k/D)
2 ×(L1) (2); wherein, k denotes a solidification constant (mm/min
1/2 ) obtained by the following formula (3) provided that k denotes the [C](mass%) of the bloom: k=-α[C]+β (α, β denote coefficients decided by the kind of steel) (3).
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供尽可能高的铸造速度的连续铸造方法，从而提高生产率而不会在花纹切割时产生失效等问题。解决方案：如果将花纹的厚度定义为D，则从模具中的弯液面到最终支架的距离为L1（cm），以及从模具中的弯月面到花纹切割位置的距离作为L2（cm），以如下方式进行操作，即施加速度Vc（cm / min）被控制为在由下式（1）规定的最大铸造速度Vmax和最小铸造速度 Vmin =（2k / D） 2 ×（L2-200）（1），Vmin =（2k / D） 2 ×（L1）（2）; 其中，k表示通过下式（3）获得的凝固常数（mm / min

9. 发明专利

JP2012187596A Construction method of partitioning weir in tundish and tundish having partitioning weir 有权
标题翻译：在具有划分堰的土地和土地上划分堰的施工方法
公开(公告)号：JP2012187596A
公开(公告)日：2012-10-04
申请号：JP2011051603
申请日：2011-03-09
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE
IPC分类号： B22D11/10
摘要： PROBLEM TO BE SOLVED: To prevent the fall-down of a partitioning weir 4 during casting by strongly fixing the partitioning weir.SOLUTION: When constructing the partitioning weir 4 for partitioning an injection chamber 3 and a distribution chamber 2 to a tundish 1 having the injection chamber 3 into which molten steel is injected from a ladle and the distribution chamber 2 in which the molten steel in the injection chamber 3 is injected into a casting mold, the bottom face 4B and one side face 4A of the partitioning weir 4 are made to abut on the inner wall of the tundish, the partitioning weir 4 is fixed in advance by striking a wedge member 30 into the other side face side 4C, and coatings composed of magnesia-quality refractories whose lengths from joints are 50 to 200 mm and whose thicknesses are 10 to 40 mm are filled into the joint 31 between the partitioning weir 4 and the wedge member 30 and the joint 32 between the wedge member 30 and the inner wall of the tundish from both sides of the partitioning weir 4.
摘要翻译：要解决的问题：通过强力固定分隔堰，防止铸造过程中分隔堰4的下落。解决方案：当构建用于将注射室3和分配室2分隔成具有注射室3的中间包1的分隔堰4时，钢水从浇包中注入钢水中，而分配室2中的钢水在注射室3中注入铸模时，分隔堰4的底面4B和一个侧面4A与中间包的内壁抵接，分隔堰4预先通过冲击楔形件将构件30插入到另一侧面4C中，并且将由接缝长度为50〜200mm，厚度为10〜40mm的氧化镁质量的耐火材料构成的涂料填充到分隔堰4与楔构件 30和楔形构件30与分隔堰4两侧的中间包内壁之间的接头32.版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2011245532A Method for executing tundish 审中-公开
标题翻译：执行土木工程的方法
公开(公告)号：JP2011245532A
公开(公告)日：2011-12-08
申请号：JP2010122795
申请日：2010-05-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUMIDA KAZUTAKE
IPC分类号： B22D11/10 , B22D41/02
摘要： PROBLEM TO BE SOLVED: To prevent separation of any refractory of magnesia quality being a coating material when the refractory of magnesia quality is coated on an operational surface of a castable.SOLUTION: In an execution method of a tundish 1 in which a refractory 5 of magnesia quality is executed on an operational surface 4a of a castable 4 executed on the tundish 1, a plurality of uneven members 20 having the size of a corresponding inscribed circle of the diameter of 100-200 mm while portions of one half or more have the height H of 2-5 mm are executed on the operational surface 4a of the castable 4 at the pitch P of 100-200 mm, and then, the refractory 5 of magnesia quality is executed on the operational surface 4a of the castable 4 on which the uneven members 20 are formed.
摘要翻译：要解决的问题：当耐火材料质量的耐火材料涂覆在浇注料的操作表面上时，防止将作为涂层材料的任何耐氧化镁质量分离。解决方案：在中间罐1的执行方法中，在中间包1上执行的耐火材料5的耐火材料5执行在浇注料4的操作表面4a上，具有尺寸相应的多个不平坦部件20 以100-200mm的间距P在铸件4的操作表面4a上执行直径为100-200mm的内切圆，其中一半以上的高度H为2-5mm的高度H，在其上形成有凹凸构件20的浇注料4的操作表面4a上执行氧化镁质量的耐火材料5。版权所有（C）2012，JPO＆INPIT

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