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51. 发明授权

US3354939A Apparatus for handling molten metal 失效
标题翻译：处理熔融金属的设备
公开(公告)号：US3354939A
公开(公告)日：1967-11-28
申请号：US38335664
申请日：1964-07-17
申请人： CALDERON AUTOMATION INC
发明人： ALBERT CALDERON
IPC分类号： B22D11/10 , B22D41/08 , C21C7/10
CPC分类号： B22D41/08 , B22D11/10 , C21C7/10

52. 发明公开

US20240253111A1 TUNDISH WITH FILTER MODULE 审中-公开
公开(公告)号：US20240253111A1
公开(公告)日：2024-08-01
申请号：US18289580
申请日：2022-05-06
申请人： VESUVIUS USA CORPORATION
发明人： Johan Richaud , Martin Kreierhoff , John Rogler , Abhishek Chakraborty
IPC分类号： B22D41/00 , B22D11/119 , B22D41/08 , B22D43/00
CPC分类号： B22D41/003 , B22D11/119 , B22D41/08 , B22D43/004
摘要： A Filter module of a filtering system for a tundish is provided that includes a filter unit provided with channels extending from a channel inlet to a channel outlet, and a wall module with a wall defining an opening extending over an opening height from the floor. A bypass passage is defined between the wall module and the filter module of largest width such that a metal melt can only flow from the inlet portion to the outlet portion by flowing either through the channels of the filter unit or through the bypass passage. The wall module includes a wall ledge having a width. The filter module further includes a filter ledge having a width and being offset vertically relative to the wall ledge to form therewith a baffle.

53. 发明授权

US09962764B2 Fireproof ceramic bottom 有权
公开(公告)号：US09962764B2
公开(公告)日：2018-05-08
申请号：US14648140
申请日：2013-12-03
申请人： REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
发明人： Alexander Maranitsch , Matthias Hoeck , Marcus Kirschen
IPC分类号： B22D41/02 , B22D41/08 , F27D1/00
CPC分类号： B22D41/02 , B22D41/08 , F27D1/0003 , F27D1/0043
摘要： An exemplary embodiment relates to a fireproof ceramic bottom in the connection region to at least one wall of a vessel for handling high-temperature melts.

54. 发明授权

US09718128B2 Method for using upper nozzle 有权
公开(公告)号：US09718128B2
公开(公告)日：2017-08-01
申请号：US14414208
申请日：2012-12-12
申请人： KROSAKIHARIMA CORPORATION
发明人： Arito Mizobe , Kento Furukawa , Tetsuo Tsuduki , Masaki Yamamoto , Joji Kurisu
IPC分类号： B22D41/50 , B22D41/08 , B22D41/58
CPC分类号： B22D41/50 , B22D41/08 , B22D41/58
摘要： With a view to adding, to an upper nozzle formed with a bore having a shape capable of creating a less energy loss or smooth (constant) molten steel flow to suppress the occurrence of adhesion of inclusions and metals in molten steel, a gas injection function to thereby further suppress the occurrence of the adhesion, the present invention provides a method of using an upper nozzle configured to have a cross-sectional shape of a wall surface defining the bore, taken along an axis of the bore, comprising a curve represented by the following formula: log(r (z))=(1/n)×log((H+L)/(H+z))+log(r (L)) (n=1.5 to 6), where: L is a length of the upper nozzle; H is a calculational hydrostatic head height; and r (z) is an inner radius of the bore at a position downwardly away from an upper edge of the bore by a distance z. The method comprises using the upper nozzle in such a manner as to satisfy the following relationship: RG≦4.3×VL, where RG is a gas rate defined as a volume ratio of a flow rate QG (Nl/s) of injection gas to a flow rate QL (l/s) of molten steel flowing through the bore (RG=(QG/QL)×100(%)), and VL is a flow speed of the molten steel at a lower edge of the upper nozzle.

55. 发明授权

US09579721B2 Double entry channel ladle bottom 有权
标题翻译：双入口钢包底部
公开(公告)号：US09579721B2
公开(公告)日：2017-02-28
申请号：US14344151
申请日：2012-07-25
申请人： Johan Richaud , William Chung
发明人： Johan Richaud , William Chung
IPC分类号： B22D41/08 , B22D43/00
CPC分类号： B22D41/08 , B22D43/001
摘要： A metallurgical ladle, and more particularly the bottom of the ladle or a ladle block in the bottom of the ladle, have an outlet through which the molten metal can drain. The ladle bottom contains an open-end channel bounded by at least one wall with a major dimension perpendicular to a line joining the center of the outlet entrance to the center of the wall. In selected configurations, opposing faces of the walls bounding the open-end channel are convex in the horizontal plane and concave in the horizontal plane, respectively.
摘要翻译：尤其是钢包的底部或钢包底部的钢包块，具有出口，熔融金属可通过该出口排出。钢包底部包含由至少一个壁限定的开放式通道，其中主要尺寸垂直于连接出口入口的中心至壁的中心的线。在选择的构造中，限定开放通道的壁的相对面在水平面上是凸的，在水平面上是凹的。

56. 发明授权

US09360255B2 Method and arrangement for vortex reduction in a metal making process 有权
标题翻译：金属制造过程中涡流减少的方法和装置
公开(公告)号：US09360255B2
公开(公告)日：2016-06-07
申请号：US14192345
申请日：2014-02-27
申请人： ABB Research Ltd.
发明人： Jan-Erik Eriksson , Tord Kroon , Mohamed Ali Rahmani , Ola Widlund , Xiaojing Zhang , Christer Carlsson , Hongliang Yang
IPC分类号： F27D3/15 , F27B3/08 , F27B3/19 , F27D27/00 , B22D37/00 , B22D41/08 , C21C5/46
CPC分类号： F27D3/1518 , B22D37/00 , B22D41/08 , C21C5/4653 , F27B3/085 , F27B3/19 , F27D3/1509 , F27D27/00
摘要： A method for reducing vortex formation in molten metal when bottom tapping the molten metal from a metallurgical vessel in a metal making process. The method includes the steps of tapping the molten metal via a tapping hole in the metallurgical vessel, and providing a flow of the molten metal in the metallurgical vessel while tapping via a time-varying electromagnetic field applied to the metallurgical vessel, the flow of the molten metal being such that it constantly moves vortices in the molten metal away from a tapping hole region during the tapping to thereby prevent accumulation of the vortices for vortex formation over the tapping hole. It is also presented an arrangement for carrying out the method.
摘要翻译：一种用于在金属制造过程中从冶金容器底部冲出熔融金属时减少熔融金属中的涡流形成的方法。该方法包括以下步骤：通过冶金容器中的攻丝孔攻击熔融金属，并且通过施加到冶金容器上的时变电磁场来提供熔融金属在冶金容器中的流动，熔融金属使得其在攻丝期间不断地将熔融金属中的涡流从攻丝孔区域移动，从而防止涡流积聚在出孔上形成涡流。还提出了执行该方法的安排。

57. 发明申请

US20150196954A1 METHOD FOR USING UPPER NOZZLE 有权
标题翻译：使用上喷嘴的方法
公开(公告)号：US20150196954A1
公开(公告)日：2015-07-16
申请号：US14414208
申请日：2012-12-12
申请人： KROSAKIHARIMA CORPORATION
发明人： Arito Mizobe , Kento Furukawa , Tetsuo Tsuduki , Masaki Yamamoto , Joji Kurisu
IPC分类号： B22D41/50 , B22D41/08
CPC分类号： B22D41/50 , B22D41/08 , B22D41/58
摘要： With a view to adding, to an upper nozzle formed with a bore having a shape capable of creating a less energy loss or smooth (constant) molten steel flow to suppress the occurrence of adhesion of inclusions and metals in molten steel, a gas injection function to thereby further suppress the occurrence of the adhesion, the present invention provides a method of using an upper nozzle configured to have a cross-sectional shape of a wall surface defining the bore, taken along an axis of the bore, comprising a curve represented by the following formula: log(r (z))=(1/n)×log((H+L)/(H+z))+log(r (L)) (n=1.5 to 6), where: L is a length of the upper nozzle; H is a calculational hydrostatic head height; and r (z) is an inner radius of the bore at a position downwardly away from an upper edge of the bore by a distance z. The method comprises using the upper nozzle in such a manner as to satisfy the following relationship: RG≦4.3×VL, where RG is a gas rate defined as a volume ratio of a flow rate QG (Nl/s) of injection gas to a flow rate QL (l/s) of molten steel flowing through the bore (RG=(QG/QL)×100(%)), and VL is a flow speed of the molten steel at a lower edge of the upper nozzle.
摘要翻译：为了向形成有具有能够产生较少能量损失或平滑（恒定）钢水流的形状的孔的上部喷嘴添加，以抑制钢水中夹杂物和金属粘附的发生，气体注入功能从而进一步抑制粘附的发生，本发明提供了一种使用上部喷嘴的方法，所述上部喷嘴被构造成具有沿孔的轴线截取的限定孔的壁表面的横截面形状，包括由 log（r（z））=（1 / n）×log（（H + L）/（H + z））+ log（r（L））（n = 1.5〜6） L是上喷嘴的长度; H是计算静压头高度; 并且r（z）是在距离孔的上边缘向下远离距离z的位置处的孔的内半径。该方法包括以满足以下关系式的方式使用上喷嘴：RG＆nlE; 4.3×VL，其中RG是气体速率，其定义为喷射气体的流量QG（Nl / s）的体积比流过孔的钢水的流量QL（l / s）（RG =（QG / QL）×100（％）），VL是上喷嘴下边缘的钢水的流速。

58. 发明申请

US20150107797A1 Flexible minimum energy utilization electric arc furnace system and processes for making steel products 审中-公开
标题翻译：灵活的最小能量利用电弧炉系统和制造钢铁产品的工艺
公开(公告)号：US20150107797A1
公开(公告)日：2015-04-23
申请号：US13998277
申请日：2013-10-18
申请人： John A. Guliana , Guy A. Brada , Christian H. Ericksen , Bruce C. Liimatainen , Algirdas A. Underys
发明人： John A. Guliana , Guy A. Brada , Christian H. Ericksen , Bruce C. Liimatainen , Algirdas A. Underys
IPC分类号： C21C7/00 , B22D41/08 , B22D41/44 , B22D47/00 , B22D1/00 , F27D3/14 , C21C5/52 , F27B3/08 , F27B3/19 , F27B3/22 , F27B19/00 , F27D3/06 , B22D41/015 , C21C7/10
CPC分类号： C21C7/0075 , B22D1/002 , B22D41/015 , B22D41/08 , B22D41/44 , C21C5/5211 , C21C5/5229 , C21C5/5252 , C21C5/5294 , C21C7/072 , C21C7/10 , C21C2300/08 , F27B3/085 , F27B3/19 , F27D3/1509
摘要： In an electric arc furnace system for making steel, a method and structure (1) for eliminating teeming hang-ups and ensuring temperature homogeneity in a ladle which teems into an ingot mold by gas purging at all possible steps under both atmospheric and vacuum conditions, and (2) for preventing non-metallic inclusions from appearing in the final product by deflecting the granular material in the teeming ladle well block away from the ingot mold by a heat resistant but combustible deflector just prior to entry of the teeming stream into the ingot mold.
摘要翻译：在用于制造钢的电弧炉系统中，一种方法和结构（1），用于在大气和真空条件下以所有可能的步骤通过气体吹扫来消除浇注悬挂并确保钢包中的温度均匀性，和（2）为防止非金属夹杂物出现在最终产品中，即使在浇注料流进入铸锭之前，通过使耐热但易燃的导流板偏转浇注浇包井块中的颗粒材料远离铸锭模具模子。

59. 发明申请

US20140175715A1 Method And Arrangement For Vortex Reduction In A Metal Making Process 有权
标题翻译：金属制造过程中减少涡流的方法和装置
公开(公告)号：US20140175715A1
公开(公告)日：2014-06-26
申请号：US14192345
申请日：2014-02-27
申请人： Jan-Erik Eriksson , Tord Kroon , Mohamed Ali Rahmani , Ola Widlund , Xiaojing Zhang , Christer Carlsson , Hongliang Yang
发明人： Jan-Erik Eriksson , Tord Kroon , Mohamed Ali Rahmani , Ola Widlund , Xiaojing Zhang , Christer Carlsson , Hongliang Yang
IPC分类号： F27D3/15 , F27D27/00
CPC分类号： F27D3/1518 , B22D37/00 , B22D41/08 , C21C5/4653 , F27B3/085 , F27B3/19 , F27D3/1509 , F27D27/00
摘要： A method for reducing vortex formation in molten metal when bottom tapping the molten metal from a metallurgical vessel in a metal making process. The method includes the steps of tapping the molten metal via a tapping hole in the metallurgical vessel, and providing a flow of the molten metal in the metallurgical vessel while tapping via a time-varying electromagnetic field applied to the metallurgical vessel, the flow of the molten metal being such that it constantly moves vortices in the molten metal away from a tapping hole region during the tapping to thereby prevent accumulation of the vortices for vortex formation over the tapping hole. It is also presented an arrangement for carrying out the method.
摘要翻译：一种用于在金属制造过程中从冶金容器底部冲出熔融金属时减少熔融金属中的涡流形成的方法。该方法包括以下步骤：通过冶金容器中的攻丝孔攻击熔融金属，并且通过施加到冶金容器上的时变电磁场来提供熔融金属在冶金容器中的流动，熔融金属使得其在攻丝期间不断地将熔融金属中的涡流从攻丝孔区域移动，从而防止涡流积聚在出孔上形成涡流。还提出了执行该方法的安排。

60. 发明申请

US20130221588A1 IMPACT PAD FOR USE IN TUNDISH OF CONTINUOUS CASTING STEEL 有权
标题翻译：用于连续铸钢的冲击垫
公开(公告)号：US20130221588A1
公开(公告)日：2013-08-29
申请号：US13812746
申请日：2011-04-19
申请人： Thiago Augusto Avila , Bruno Augusto Batista Ribeiro , Herbert Amarildo Santos
发明人： Thiago Augusto Avila , Bruno Augusto Batista Ribeiro , Herbert Amarildo Santos
IPC分类号： B22D41/00
CPC分类号： B22D41/003 , B22D11/10 , B22D41/08
摘要： The present invention relates to an impact pad for use in tundish of continuous casting steel during pouring out of molten steel (6) from the casting ladle into the tundish. The impact pad (1) has side walls (2) provided with barriers (3) distributed spaced apart and staggered in height and in length in the whole extension of the walls (2) or part thereof, the impact pad (1) still comprises an impact bottom (5) provided with corrugations (4) uniformly distributed and staggered in its entirety or part thereof.
摘要翻译：本发明涉及一种用于在从钢水浇注到中间包中的钢水（6）浇注出来的连续铸钢中间包中使用的冲击垫。所述冲击垫（1）具有侧壁（2），所述侧壁（2）设置有在所述壁（2）或其一部分的整个延伸部中高度间隔开并且长度分布的隔离物（3），所述冲击垫（1）还包括设置有波纹（4）的整体或部分均匀分布和交错的冲击底部（5）。

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