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    • 1. 发明申请
    • METHOD AND APPARATUS FOR METAL CASTING
    • 金属铸造方法和设备
    • WO2006044179A2
    • 2006-04-27
    • PCT/US2005/035556
    • 2005-10-03
    • LIANG, Fu, Shun
    • LIANG, Fu, Shun
    • B22D37/00B22D41/00
    • B22D18/04B22D43/002B22D43/004
    • A technique for pressurized or differential pressure casting according to the present disclosure provides a riser tube filter formed of ceramic foam having a specific gravity lower than the molten metal to be cast. A riser tube filter according to the present invention may float in and/or on the molten metal within the riser tube and smooth the flow of molten metal within the riser tube simultaneously filtering the metal. As the molten metal is depressurized, a riser tube filter according to the present disclosure will travel back down the riser tube engaging the walls of the riser tube and minimizing the surface of molten metal in contact with the air or other gas. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
    • 根据本公开的用于加压或差压铸造的技术提供了一种由陶瓷泡沫形成的提升管过滤器,其比重低于待铸造的熔融金属。 根据本发明的立管过滤器可浮在立管内的熔融金属内和/或上方,并且使立管内的熔融金属流动平滑,同时过滤金属。 当熔融金属被减压时,根据本公开的立管过滤器将沿着与立管的壁接合的立管返回,并且使与空气或其他气体接触的熔融金属的表面最小化。 要强调的是,提供这个摘要是为了遵守需要摘要的规则,这将允许搜索者或其他读者快速确定技术公开的主题。 提交时的理解是,它不会被用来解释或限制权利要求的范围或含义。
    • 2. 发明申请
    • VORTEX INHIBITOR WITH SACRIFICIAL ROD
    • VORTEX抑制剂与SACRIFICIAL ROD
    • WO02057500A1
    • 2002-07-25
    • PCT/US2002/000553
    • 2002-01-04
    • B22D41/50B22D43/00C21C5/46F27D3/14
    • F27D3/1536B22D43/002C21C5/4653
    • An improved vortex inhibitor (22) for separating slag from molten metal during the discharge of molten metal through a nozzle (14) includes a uniform castable refractory body (24) with a generally tapering shape, a hollow chamber (30) within the body and an elongated sacrificial member (32). The hollow chamber receives the sacrificial member or a mount for the sacrificial member. The refractory body (24) and the sacrificial member (32) combination in molten metal has a specific gravity less than the specific gravity of molten metal and is positioned narrow end downward when supported in molten metal. The hollow chamber (30) can fill with molten metal to form a core that aids in orienting the body in a narrow end downward position. The sacrificial member align the with the area in which the vortex forms and minimizes interference with the flow through the discharge nozzle (14). The body (24) preferably includes swirl obstructing surfaces.
    • 一种用于在熔融金属通过喷嘴(14)排出期间将熔融金属分离的改进的涡流抑制剂(22)包括具有大致锥形形状的均匀浇铸耐火材料体(24),在本体内的中空室(30) 细长的牺牲构件(32)。 中空室容纳牺牲构件或用于牺牲构件的安装件。 熔融金属中的耐火体(24)和牺牲构件(32)组合具有小于熔融金属的比重的比重,并且当被支撑在熔融金属中时位于较窄的端部。 中空室(30)可以填充熔融金属以形成有助于使主体朝向狭窄端向下位置的芯部。 牺牲构件与涡流形成的区域对准,并使与通过排出喷嘴(14)的流动的干扰最小化。 主体(24)优选地包括涡流阻挡表面。
    • 3. 发明申请
    • SLAG CONTROL APPARATUS FOR MOLTEN METAL VESSELS
    • 用于金属容器的滑块控制装置
    • WO1996003238A1
    • 1996-02-08
    • PCT/US1995007694
    • 1995-06-22
    • AJF, INC.
    • AJF, INC.FORTE, Gary, L.MILLER, WayneMcGUIRE, James, P.VINSON, David, B.
    • B22D43/00
    • B22D43/002C21C2005/468
    • A slag control shape (32) is releasably mounted on a cover for a molten metal vessel (10). An actuator (164) is connected to a slag control shape release member (100) to move the release member (100) from a first position engaged with the slag control shape (32) to a second position disengaged from the slag control shape (32) to allow the slag control shape (32) to descend into the molten metal vessel (10). Upon the occurrence of a predetermined condition, such as a predetermined weight of molten metal in the vessel (10) or a predetermined total time of molten metal discharge from the vessel (10), a controller (152) generates a signal to the actuator (164) to automatically release the slag control shape (32) into the vessel (10). The controller (152) is located remote from the actuator (164) and transmits the activation signal (164) to the actuator by radio frequency signals, directly through an electrical conductor, or to a light emitter which transmits a light beam to a photodetector mounted on the cover (28).
    • 炉渣控制形状(32)可释放地安装在用于熔融金属容器(10)的盖上。 致动器(164)连接到炉渣控制形状释放构件(100),以将释放构件(100)从与炉渣控制形状(32)接合的第一位置移动到与炉渣控制形状(32)脱离的第二位置 )以允许炉渣控制形状(32)下降到熔融金属容器(10)中。 在发生预定条件(例如容器10中的预定重量的熔融金属)或从容器(10)排出的熔融金属的预定总时间时,控制器(152)向致动器产生信号 164)以将炉渣控制形状(32)自动释放到容器(10)中。 控制器(152)位于远离致动器(​​164)的位置,并通过射频信号直接通过电导体将激活信号(164)发送到致动器,或者将光束发射到安装在光电检测器 在盖(28)上。
    • 6. 发明申请
    • PLUG MEMBERS FOR STEEL FURNACES
    • 钢铁会员
    • WO01059383A1
    • 2001-08-16
    • PCT/GB2001/000476
    • 2001-02-08
    • C21C5/46B22D43/00F27D3/14F27D3/15
    • B22D43/002F27D3/1536
    • A dart has a metal bar (1) passing through a ceramic, shaped, dart head (2) and then through a cylindrical ceramic dart stem (3). A sleeve (4) of a carbonaceous or reactive material is provided about the stem (3) or a layer of that material can be formed on the lower face (5) of the dart head (2) (at the interface of the steel and slag). A block or sleeve (6) of suitable reactive material could be positioned on the top face (7) of the dart. The reactive material could be cardboard or paper, or a reactive metal, such as aluminium or magnesium. In each case a chemical reaction with the molten steel will result in an updraft in the steel which clears slag from the area of the tap hole.
    • 飞镖具有通过陶瓷,成形的飞镖头(2),然后穿过圆柱形陶瓷镖杆(3)的金属棒(1)。 围绕杆(3)设置有碳质或反应性材料的套筒(4),或者可以在飞镖头(2)的下表面(5)上(在钢和 矿渣)。 可以将合适的反应性材料的块或套筒(6)定位在飞镖的顶面(7)上。 反应性材料可以是纸板或纸,或反应性金属,例如铝或镁。 在每种情况下,与钢水的化学反应将导致钢中的上升气流,其从排气孔的区域中清除炉渣。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR METAL CASTING
    • 金属铸件的方法和装置
    • WO2006044179A3
    • 2006-06-08
    • PCT/US2005035556
    • 2005-10-03
    • LIANG FU SHUN
    • LIANG FU SHUN
    • B22D1/00B22D23/00B22D35/00B22D37/00B22D39/00C22B9/02
    • B22D18/04B22D43/002B22D43/004
    • A technique for pressurized or differential pressure casting according to the present disclosure provides a riser tube filter formed of ceramic foam having a specific gravity lower than the molten metal to be cast. A riser tube filter according to the present invention may float in and/or on the molten metal within the riser tube and smooth the flow of molten metal within the riser tube simultaneously filtering the metal. As the molten metal is depressurized, a riser tube filter according to the present disclosure will travel back down the riser tube engaging the walls of the riser tube and minimizing the surface of molten metal in contact with the air or other gas. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
    • 根据本公开的用于加压或压差压铸的技术提供了一种由具有比要铸造的熔融金属低的比重的陶瓷泡沫形成的提升管过滤器。 根据本发明的提升管过滤器可以在提升管内的熔融金属中和/或上漂浮,并使提升管内的熔融金属流平滑并同时过滤金属。 当熔融金属被减压时,根据本公开的提升管过滤器将沿着与提升管的壁接合的提升管返回并使与金属空气或其它气体接触的熔融金属的表面最小化。 要强调的是,该摘要被提供以符合要求抽象的规则,允许搜索者或其他读者快速确定技术公开的主题。 提交它的理解是,它不会用于解释或限制权利要求的范围或含义。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR DELIVERING METALLURGICALLY IMPROVED MOLTEN METAL
    • 用于提供冶金改进的金属的方法和装置
    • WO01088209A1
    • 2001-11-22
    • PCT/US2000/013621
    • 2000-05-17
    • B22D43/00C21C5/46C21C7/00F27D3/15
    • B22D43/002C21C5/4653F27D3/1509F27D3/159
    • A method and an apparatus for enhanced metallurgical processing of molten metal includes an enclosable ladle chamber (23) for reducing the escape of heat during transport of the ladle from a manufacturing vessel such as a furnace (13) to an intermediate processing (15) or refining station or during processing or transport to a receptacle vessel such as a tundish (17). The method comprises introducing a refractory body into the ladle chamber (23), the body having an adjusted specific gravity having a reduced steel ballast to refractory material ratio that is less than required for a specific gravity required to buoyantly support the body in the molten metal. Preferably, the ratio provides a specific gravity greater than the specific gravity required to buoyantly support the body entirely in the slag layer. The method includes enclosing the ladle (22) for example, with a lid (90) and maintaining said refractory body in said ladle until substantially termination of the discharge of the molten metal from the vessel. Preferably, the method also includes intermediate refining such as introducing a balancing composition to the ladle before enclosing. The ratio of steel ballast and refractory material used to achieve the preferred specific gravity may also be adjusted in conjunction with other temperature-resistant or corrosion-resistant changes to the refractory body. For example, high temperature alumina may be used as a refractory material in a higher degree than in previously known bodies, a high temperature cement may be used to join the refractory material and ballast components, and a non-wetting agent made of carbonaceous or siliceous material may reduce deterioration of the body during the extended period of steel and slag contact in the ladle.
    • 一种用于增强熔融金属冶金加工的方法和装置包括一个可封闭的浇包室(23),用于在将钢包从诸如炉(13)的制造容器运输到中间处理(15)期间减少热量逸出,或 精炼站或在处理或运输到诸如中间包(17)的容器容器中。 该方法包括将耐火体引入浇包室(23)中,该主体具有调节的比重,其具有减小的钢质镇流器与难熔材料的比例,该比率小于在熔融金属中浮力地支撑主体所需的比重 。 优选地,该比例提供的比重大于在渣层中完全支撑身体所需的比重。 该方法包括例如用盖子(90)包围浇包(22),并将所述耐火材料体保持在所述浇包中,直到熔融金属从容器中排放到基本上终止。 优选地,该方法还包括中间精炼,例如在包封之前将平衡组合物引入钢包中。 用于实现优选比重的钢质镇流器和耐火材料的比例也可以与耐火材料的其他耐温或耐腐蚀变化一起进行调整。 例如,高温氧化铝可以比以前已知的体系更高程度地用作耐火材料,可以使用高温水泥来连接耐火材料和压载组分,以及由碳质或硅质制成的非润湿剂 材料可能会减少长时间钢水和钢渣在钢包中的接触时体内的变质。