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    • 41. 发明申请
    • MELTING AND POURING OF SPECIALTY METALS
    • 特殊金属的熔炼和浸渍
    • WO99030857A1
    • 1999-06-24
    • PCT/US1998/026987
    • 1998-12-16
    • H05B7/20B22D1/00B22D27/02B22D45/00F27B3/08F27B3/19F27D3/14F27D3/15F27D11/08F27D99/00
    • F27D99/0006B22D21/02B22D27/15F27B3/085F27B3/19F27D3/1509F27D11/08F27D2099/0031
    • Specialty metals and alloys are melted in a crucible (10) typically holding no more than about 100 lbs. of metal and disposed in a furnace (2) filled with an inert gas and subjected to a vacuum in the range of about 5 % to 32 % of atmospheric pressure. The vacuum permits in the initiation and formation of long electric discharge arcs between the electrode (48) and the inside of the crucible (10) to provide enough space for charging of the crucible (10) with fresh metal. A skull (96) forming along the inside surfaces of the crucible (10) is lifted off the crucible surfaces (26) after each pour with a closure plate (32) that is pushed from below into the drain hole (30). The skull (96) is then melted with the plasma torch (44) so that resulting melted metal collecting in the drain forms a drain plug (94) upon solidification.
    • 特殊金属和合金在通常不超过约100磅的坩埚(10)中熔化。 并放置在填充有惰性气体的炉(2)中并经受大气压的约5%至32%范围内的真空。 真空允许在电极(48)和坩埚(10)的内部之间引发和形成长的放电弧,以提供足够的空间用于用新鲜金属对坩埚(10)充电。 沿着坩埚(10)的内表面形成的颅骨(96)在每次倒下之后从坩埚表面(26)被提起,并具有从下方推入排水孔(30)的封闭板(32)。 颅骨(96)然后用等离子体焰炬(44)熔化,使得在排水中收集的所得熔融金属在凝固时形成排水塞(94)。
    • 44. 发明申请
    • ESTIMATION OF ARC LOCATION IN THREE DIMENSIONS
    • 三维电弧定位的估算
    • WO2018058070A1
    • 2018-03-29
    • PCT/US2017/053326
    • 2017-09-25
    • KW ASSOCIATES LLC
    • CIBULA, Matthew A.KING, Paul E.WOODSIDE, C. Rigel
    • G01R33/00C21C5/52F27B3/28F27D11/08H05B7/148H05B7/20
    • Multiple magnetic field sensors are arranged around a current-containing volume at multiple longitudinal and circumferential positions. Each sensor measures multiple magnetic field components and is characterized by one or more calibration parameters. A longitudinal primary current flows through two end-to-end electrical conductors that are separated by an arc gap, and flows as at least one longitudinal primary electric arc that spans the arc gap and that moves transversely within the arc gap. Estimated transverse position of the primary electric arc is calculated, based on the longitudinal position of the arc gap, and two or more of the measured magnetic field components along with one or more corresponding sensor positions or calibration parameters. In addition, estimated occurrence, position, and magnitude of a transverse secondary current ( i.e. , a side arc) can be calculated based on those quantities.
    • 多个磁场传感器围绕多个纵向和周向位置处的含电流体积布置。 每个传感器测量多个磁场分量,并由一个或多个校准参数表征。 纵向一次电流流过由电弧间隙分开的两个端到端电导体,并且作为至少一个跨过电弧间隙并且在电弧间隙内横向移动的纵向一次电弧流动。 基于电弧间隙的纵向位置以及两个或更多个测量的磁场分量以及一个或多个对应的传感器位置或校准参数来计算主电弧的估计的横向位置。 此外,可以基于这些量来计算横向次级电流(即,侧电弧)的估计出现,位置和大小。
    • 50. 发明申请
    • FUSION APPARATUS AND A FUSING METHOD USING SAME
    • 熔融装置和使用相同的熔化方法
    • WO2009148043A3
    • 2010-01-28
    • PCT/JP2009060045
    • 2009-06-02
    • OSAKA TITANIUM TECHNOLOGIES COAZUMA KAZUOMIYAMAGUCHI MAKOTONATSUME YOSHITAKEUENISHI TORU
    • AZUMA KAZUOMIYAMAGUCHI MAKOTONATSUME YOSHITAKEUENISHI TORU
    • C22B34/12C22B9/22F27D11/08
    • F27B3/04C22B4/005C22B4/08C22B9/226C22B34/1295F27B3/105F27B3/20F27D11/08F27D99/0006F27D2099/0031
    • Provided are a fusing method in which metal powder is fused and separated from a mixture of metal salt and metal powder, and fusion apparatus which employs this method, wherein it is possible to use moving plasma having excellent energy efficiency. A lining part (15) comprising a second metal is inserted in such a way as to cover the side walls and upper edges of the side walls of a bath (10) comprising a first metal. Then the mixture (1) comprising metal salt and metal powder is introduced into a mixture introduction region (16) of the bath (10) which is partitioned by a skimmer (13) and, maintaining a state where the whole of the mixture (1) has been fused using the plasma (19a), two layers, namely an upper layer (fused salt (6)) where the metal salt has been fused) and a lower layer (fused metal (7)) are formed as a result of the difference in specific gravities. The formation of a fused salt layer which is an insulator by the solidification of the fused salt (6) on the inner surface of the bath (10) is prevented by maintaining the temperature of the portion of the lining part (15) in contact with the fused salt (6) above the melting point of the fused salt (6).
    • 提供一种熔融金属粉末与金属盐和金属粉末的混合物熔融分离的熔融方法,以及采用该方法的熔融装置,其中可以使用具有优异的能量效率的移动等离子体。 包括第二金属的衬里部分(15)以覆盖包括第一金属的浴(10)的侧壁的侧壁和上边缘的方式被插入。 然后将包含金属盐和金属粉末的混合物(1)引入由撇渣器(13)分隔的浴(10)的混合物引入区域(16)中,并保持整个混合物(1 )已经使用等离子体(19a),两层,即金属盐已熔合的上层(熔融盐(6))和下层(熔融金属(7))而形成,作为 比重差异。 通过使衬套部分(15)的一部分的温度保持接触而防止在熔池(10)的内表面上通过熔融盐(6)的凝固而形成绝缘体的熔融盐层的形成 熔融盐(6)高于熔融盐(6)的熔点。