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    • 31. 发明申请
    • PULLING-UP-TYPE CONTINUOUS CASTING APPARATUS AND PULLING-UP-TYPE CONTINUOUS CASTING METHOD
    • 拉拔型连续铸造设备和拉拔式连续铸造方法
    • WO2015079810A1
    • 2015-06-04
    • PCT/JP2014/077025
    • 2014-10-01
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • SUGIURA, NaoakiYOKOTA, Yusuke
    • B22D11/01B22D11/14B22D11/20
    • B22D11/188B22D11/01B22D11/145B22D11/20
    • A pulling-up-type continuous casting apparatus includes a holding furnace that holds molten metal, a shape defining member disposed above a surface of the molten metal held in the holding furnace, and configured to define a cross-sectional shape of a cast-metal article as the molten metal passes through it, an image pickup unit that takes an image of the molten metal that has passed through the shape defining member, an image analysis unit that detects a fluctuation on the molten metal from the image and determines a solidification interface based on presence/absence of the fluctuation, and a casting control unit that changes a casting condition only when the solidification interface determined by the image analysis unit is not within a predetermined reference range. The casting control unit uses a reference range which differs according to the pulling-up angle of the molten metal.
    • 上拉式连续铸造装置包括保持熔融金属的保持炉,形状限定构件,其设置在保持在保持炉中的熔融金属的表面上方,并且被配置为限定铸造金属的横截面形状 熔融金属穿过它的物品,摄取已经通过形状限定部件的熔融金属的图像的图像拾取单元,图像分析单元,其从图像检测熔融金属的波动并确定凝固界面 基于波动的存在/不存在,以及只有当由图像分析单元确定的凝固界面不在预定参考范围内时才改变铸造条件的铸造控制单元。 铸造控制单元使用与熔融金属的上升角不同的基准范围。
    • 32. 发明申请
    • CONTINUOUS CASTING OF MATERIALS USING PRESSURE DIFFERENTIAL
    • 连续铸造材料使用压力差异
    • WO2014051945A1
    • 2014-04-03
    • PCT/US2013/058116
    • 2013-09-05
    • ATI PROPERTIES, INC.
    • ARNOLD, Matthew J.
    • B22D11/113B22D11/117B22D11/126B22D11/14
    • B22D11/16B22D11/0622B22D11/113B22D11/117B22D11/126B22D11/128B22D11/141B22D11/142B22D11/163B22D11/20B22D27/003B22D27/15
    • A system and method for continuous casting. The system includes a melt chamber, a withdrawal chamber, and a secondary chamber therebetween. The melt chamber can maintain a melting pressure and the withdrawal chamber can attain atmospheric pressure. The secondary chamber can include regions that can be adjusted to different pressures. During continuous casting operations, the first region adjacent to the melt chamber can be adjusted to a pressure that is at least slightly greater than the melting pressure; the pressure in subsequent regions can be sequentially decreased and then sequentially increased. The pressure in the final region can be at least slightly greater than atmospheric pressure. The differential pressures can form a dynamic airlock between the melt chamber and the withdrawal chamber, which can prevent infiltration of the melt chamber by non-inert gas in the atmosphere, and thus can prevent contamination of reactive materials in the melt chamber.
    • 一种用于连续铸造的系统和方法。 该系统包括熔化室,抽出室和它们之间的次级室。 熔体室可以保持熔化压力,并且抽出室可以获得大气压力。 次级室可以包括可以调节到不同压力的区域。 在连续铸造操作期间,与熔融室相邻的第一区域可以被调节至至少稍大于熔融压力的压力; 随后的区域中的压力可以依次减小然后依次增加。 最终区域中的压力可以至少略大于大气压力。 差压可以在熔体室和抽出室之间形成动态气闸,这可以防止熔体室在大气中的非惰性气体渗透,从而可以防止熔体室中反应性材料的污染。
    • 33. 发明申请
    • 鋼の連続鋳造方法及び条鋼の製造方法
    • 钢的连续铸造方法和制造钢铁的方法
    • WO2014030701A1
    • 2014-02-27
    • PCT/JP2013/072420
    • 2013-08-22
    • 新日鐵住金株式会社
    • 渡辺 信輔村上 敏彦
    • B22D11/128B22D11/00B22D11/12B22D11/20
    • B22D11/00B22D11/12B22D11/128B22D11/20
    •  この連続鋳造方法は、円筒状の鋳型から固液共存状態の鋳片を引き抜く引き抜き工程と、引き抜き工程後に、固液共存状態の鋳片に対して、鋳片の長手方向に垂直な第1圧下方向への圧下を施す第1の圧下工程と、鋳片の長手方向及び第1圧下方向の双方と直交する圧下方向を第2圧下方向とするとき、第1の圧下工程後に、完全凝固状態でありかつ中心部の温度が表面部の温度よりも高い状態にある鋳片に対して、第1圧下方向及び第2圧下方向への圧下を交互に施しながら、鋳片の長手方向に垂直な断面で見た場合の角部に丸みが有る角丸矩形に成形する第2の圧下工程と、を備える。
    • 该连续铸造方法设置有从圆筒形铸模中提取固体 - 液体共存状态的铸坯的提取步骤,用于在固液共存状态下进行铸造板坯的轧制压下的第一轧制压下工序 在提取步骤之后垂直于铸坯的纵向方向的第一轧制方向的第一轧制方向,以及用于模制铸坯的第二轧制压下步骤,其中心部分的温度高于温度 在第一轧制压下工序之后,在与第一轧制压下工序交替地进行轧制压下的同时,在与铸坯的长度方向垂直的截面中观察到具有圆角部的圆角矩形, 轧制压下方向,第二轧制方向为轧制压下方向 与铸坯的第一轧制方向和长度方向正交。
    • 39. 发明申请
    • MODEL-BASED SYSTEM FOR DETERMINING CASTING ROLL OPERATING TEMPERATURE IN A THIN STRIP CASTING PROCESS
    • 基于模型的薄带铸造工艺铸件铸辊温度确定系统
    • WO2003055623A1
    • 2003-07-10
    • PCT/AU2002/001736
    • 2002-12-20
    • NUCOR CORPORATIONBLEJDE, WalterMAHAPATRA, Rama, Ballav
    • BLEJDE, WalterMAHAPATRA, Rama, Ballav
    • B22D11/06
    • B22D11/0682B22D11/20
    • A model-based strategy is provided for determining casting roll operating temperature in a continuous thin strip casting process. A first temperature sensor produces a first temperature signal indicative of the temperature of cooling liquid supplied to the casting rolls and a second temperature sensor produces a second temperature signal indicative of the temperature of cooling liquid temperature exiting the casting rolls. A computer determines a heat flux value as a function of the first and second temperature signals, and computes the operating temperature of the casting rolls as a function of the heat flux value, the second temperature signal and a number of constants defined by fixed-valued operating parameters of the continuous thin strip casting process. A control strategy is also provided to modify one or more operating parameters of the continuous thin strip casting process as a function of the casting roll temperature.
    • 提供基于模型的策略来确定连续薄带铸造工艺中的铸辊操作温度。 第一温度传感器产生第一温度信号,该第一温度信号指示供应至铸造辊的冷却液体的温度,并且第二温度传感器产生指示离开铸造辊的冷却液体温度的温度的第二温度信号。 计算机根据第一和第二温度信号确定热通量值,并根据热通量值,第二温度信号和由固定值定义的常数计算铸辊的操作温度 连续薄带铸造工艺的操作参数。 还提供了控制策略,以根据铸辊温度来修改连续薄带铸造过程的一个或多个操作参数。
    • 40. 发明申请
    • METHOD FOR PRODUCING STEEL SLABS
    • 法生产钢砖
    • WO02011925A1
    • 2002-02-14
    • PCT/EP2001/008577
    • 2001-07-25
    • B22D11/128B22D11/20
    • B22D11/128B22D11/20Y10T29/49991
    • The invention relates to a method for producing steel slabs, whereby the strand leaves an ingot mold with melt enclosed by a strand shell and, in a strand guide located downstream, the opening width of guide rolls mounted in segments with upper and lower frames can be set in a continuous manner with successive steps by adjusting elements that join said guide rolls. An oscillation around a center line of the opening width serves to modify the opening width in order to render the dynamic influences on the guide rolls negligibly small. The amplitude of the opening width oscillation is set to a quantity, which does not provoke any plastic deformation of the strand shell. The actual opening width of the guide rolls is detected and the actuating force of the adjusting elements as well as the amplitude of the actuating force are determined at the same time. In the case of an increasing amplitude of the actuating force, the opening width is set to a predeterminable measure and/or guided in a pressure controlled manner via at least one adjusting element. A force/path diagram of the opening width setting is then determined from a multitude of force/path measurements along the strand. Said diagram is composed, in a chain-like manner, of a multitude of small force/path curves, which are each provided in the form of a hysteresis and which can be individually determined using an oscillation with a comparatively small amplitude.
    • 本发明涉及一种钢,其特征在于,所述链叶的模具与由链壳熔体并且在随后的链封闭通过连接它们彼此连续地调整包括以下步骤指导的存储在与上部和下部框架引导辊段口宽度产生板坯的方法 是可调的。 约的间隙的中心线振荡手段口宽度以这样的方式改变该动态效应是在导辊小得可以忽略。 口宽度振荡的幅度是在尺寸,这不会引起链外壳的塑性变形设置。 被检测的引导辊的实际口宽度,并在同一时间,调节元件的致动力,以及该力的幅度被确定。 在设定力的增加幅度的嘴宽度和/或通过控制的至少一个调节压力调节到可预定的尺寸。 然后,从沿所述链上的多个力/行程测量中确定的嘴宽度设置,它在多个各在一个滞后的形式,小的力/路径曲线中的一个链的方式组成的力/行程图,其中每个单独借助于 具有相对低振幅的振荡被确定。