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    Oxygen nozzle for metal refining
    3.
    发明授权
    Oxygen nozzle for metal refining 失效
    氧气喷嘴金属精炼

    公开(公告)号：US4730813A

    公开(公告)日：1988-03-15

    申请号：US17156

    申请日：1987-02-20

    申请人： Andre Bock ,  Romain Henrion ,  Jean Liesch ,  Carlo Heintz ,  Henri Klein ,  Jean-Francois Liesch

    发明人： Andre Bock ,  Romain Henrion ,  Jean Liesch ,  Carlo Heintz ,  Henri Klein ,  Jean-Francois Liesch

    IPC分类号： C21C5/46 ,  C21C5/32

    CPC分类号： C21C5/4606

    摘要： A nozzle for refining metals or ferroalloys by oxygen blasting from above the melt is presented. The nozzle terminates at a nozzle head and includes at least one central blast pipe for directing a jet of oxygen having supersonic speed. A chamber is interposed between the mouth of the blast pipe and the mouth of the nozzle head. This chamber widens progressively from the mouth of the blast pipe, and narrows toward the mouth of the nozzle head. At least one opening from at least one lateral duct opens to the chamber in the vicinity of the blast pipe mouth. Each lateral duct is connected to a source of gas, and includes an inidividual flow control valve. Preferably, at least three lateral ducts are arranged symmetrically around the blast pipe mouth.

    摘要翻译： 提出了一种用于通过从熔体上方进行氧气喷射来提炼金属或铁合金的喷嘴。 喷嘴在喷嘴头处终止，并且包括至少一个用于引导具有超音速的氧气射流的中央鼓风管。 在鼓风管口和喷嘴头之间插入一个腔室。 该腔室从鼓风管口逐渐变宽，朝向喷嘴头部的口部变窄。 从至少一个侧向管道至少一个开口在鼓风管口附近通向腔室。 每个横向管道连接到气源，并且包括一个单独的流量控制阀。 优选地，至少三个侧向管道围绕鼓风管口对称地布置。

    Oxygen blast nozzle
    4.
    发明授权
    Oxygen blast nozzle 失效
    氧气喷嘴

    公开(公告)号：US4730784A

    公开(公告)日：1988-03-15

    申请号：US17763

    申请日：1987-02-20

    申请人： Andre Bock ,  Romain Henrion ,  Jean Liesch ,  Carlo Heintz ,  Henri Klein ,  Jean-Francois Liesch

    发明人： Andre Bock ,  Romain Henrion ,  Jean Liesch ,  Carlo Heintz ,  Henri Klein ,  Jean-Francois Liesch

    IPC分类号： C21C5/46 ,  B05B7/12

    CPC分类号： C21C5/4606

    摘要： A nozzle for the refining of metals by oxygen blasting from above the melt is presented. The nozzle includes a nozzle head having a blast pipe therethrough upstream of the mouth of the nozzle. The blast pipe directs a jet of gas comprised, at least in part, of oxygen, having a supersonic speed onto the melt. The blast pipe includes an inner tube. The lower portion of the inner tube has a throat positioned between a convergent and divergent sections, this lower portion defining a laval nozzle. The blast pipe also includes an outer tube coaxial with the inner tube and having a greater cross section than the inner tube. The mouth of the inner tube is spaced back (downstream) from the mouth of the blast pipe. The inner and outer tubes are each provided with flow control valves, and are connected to sources of pressurized gas. Devices are provided to vary the cross sectional area of the mouth of the inner tube. This device may consist of a needle shaped member, displaceable along the longitudinal axis of the inner tube, with the pointed portion of the needle movable between different positions within the convergent section of the inner tube.

    摘要翻译： 提出了一种用于通过从熔体上方进行氧气喷射来提炼金属的喷嘴。 喷嘴包括喷嘴头，喷嘴头具有穿过喷嘴口的上游的鼓风管。 喷射管将包含至少部分氧的具有超音速速度的气体射流引导到熔体上。 鼓风管包括内管。 内管的下部具有位于收敛部分和发散部分之间的喉部，该下部限定了一个拉维尔喷嘴。 鼓风管还包括与内管同轴并具有比内管更大的横截面的外管。 内管的口与鼓风管口分开（下游）。 内管和外管各设有流量控制阀，并连接到加压气体源。 设置设备以改变内管的口部的横截面积。 该装置可以包括可沿着内管的纵向轴线移位的针状构件，针的尖部可在内管的会聚部分内的不同位置之间移动。

    Method of and apparatus for refining a melt containing solid cooling material
    5.
    发明授权
    Method of and apparatus for refining a melt containing solid cooling material 失效
    用于精炼含有固体冷却材料的熔体的方法和装置

    公开(公告)号：US4434005A

    公开(公告)日：1984-02-28

    申请号：US445037

    申请日：1982-11-29

    申请人： Paul Metz ,  Francois Schleimer ,  Ferdinand Goedert ,  Romain Henrion ,  Henri Klein ,  Jean-Francois Liesch

    发明人： Paul Metz ,  Francois Schleimer ,  Ferdinand Goedert ,  Romain Henrion ,  Henri Klein ,  Jean-Francois Liesch

    IPC分类号： C21C5/46 ,  C21C5/32

    CPC分类号： C21C5/4606 ,  Y02P10/212

    摘要： A method of and an apparatus for the refining of a molten metal overlain by a slag and in which cold solids are introduced, e.g. in the form of metal scrap. According to the invention the heat necessary to melt the scrap and prevent undue cooling of the bath is generated by directing a jet of neutral gas entraining carbon against the surface of the melt perpendicularly thereto at Mach 1.5 to Mach 2.5, while refining oxygen is directed at the surface from jets inclined to the carbon entraining jet and the melt is bottomblown by neutral gas to prevent excessive foaming of the slag.

    摘要翻译： 一种用于精炼熔融金属的方法和装置，其由炉渣覆盖，其中引入冷固体，例如， 以金属废料的形式。 根据本发明，熔融废料和防止不适当的冷却液体所需的热量是通过将熔融金属的中性气体的气流以马赫数1.5至马赫数2.5垂直于熔融物的表面引导到熔体的表面而产生的，同时精炼氧被引导到 来自倾斜于碳夹带射流的喷嘴的表面和熔体被中性气体吹吹，以防止炉渣过度起泡。

    Blast pipe for refining nozzle
    6.
    发明授权
    Blast pipe for refining nozzle 失效
    喷管用于精炼喷嘴

    公开(公告)号：US4730814A

    公开(公告)日：1988-03-15

    申请号：US17883

    申请日：1987-02-20

    申请人： Andre Bock ,  Roamin Henrion ,  Jean Liesch ,  Carlo Heintz ,  Henri Klein ,  Jean-Francois Liesch

    发明人： Andre Bock ,  Roamin Henrion ,  Jean Liesch ,  Carlo Heintz ,  Henri Klein ,  Jean-Francois Liesch

    IPC分类号： C21C7/072 ,  C21C5/46 ,  C21C5/32

    CPC分类号： C21C5/4606

    摘要： A blast pipe for delivering refining oxygen to the space above a metal bath in a refining operation is presented. The blast pipe is positioned in a gas supply duct and is provided with a pressure regulating valve. The blast pipe comprises a fixed straight wall portion along which the gas flows in a linear path. The straight wall portion terminates at a sharp edge, constituting a portion of the blast pipe exit orifice. A bent wall segment is located adjacent to and downstream of the straight wall portion and connects the remainder of the straight wall portion to the exit orifice. The bent wall segment preferably has a convergent configuration, upstream of the sharp edge, and a divergent configuration downstream thereof. The exit orifice, in cross section, has the shape of a rectangle, one of the long sides of which constitutes the sharp edge.

    摘要翻译： 提出了一种用于在精炼操作中将精炼氧提供到金属浴上方的空间的鼓风管。 鼓风管位于气体供给管道中并设有压力调节阀。 鼓风管包括固定的直壁部分，气体沿着该固定的直壁部分在线性路径中流动。 直壁部分终止于锋利的边缘，构成鼓风管出口孔的一部分。 弯曲的壁段位于直壁部分附近和下游，并将直壁部分的其余部分连接到出口孔。 弯曲的壁段优选地具有在锋利边缘的上游和在其下游的发散构造的收敛构型。 出口孔的横截面具有矩形的形状，其长边中的一个构成锋利的边缘。

    Gas-permeable element of a refractory material
    7.
    发明授权
    Gas-permeable element of a refractory material 失效
    耐火材料的透气元件

    公开(公告)号：US4647020A

    公开(公告)日：1987-03-03

    申请号：US681215

    申请日：1984-12-12

    申请人： Jean-Francois Liesch ,  Friedrich Kassegger ,  Rudolf Handler

    发明人： Jean-Francois Liesch ,  Friedrich Kassegger ,  Rudolf Handler

    IPC分类号： C21C7/072 ,  B22D1/00 ,  C21C5/44 ,  C21C5/48 ,  C21C5/34

    CPC分类号： B22D1/005 ,  C21C5/48

    摘要： A gas-permeable element of a refractory material for blowing gases into a metal treatment vessel through its lining has a body of a refractory material, a metal housing on the longitudinal sides of the refractory body, a free inner end surface at which the refractory material is exposed, an outer end surface provided with a gas distributing chamber for a gas supply, at least one local opening extending in the interior of the refractory body for a gas passage between the end surfaces and provided with a metal insert, wherein the metal insert is formed as a laterally closed small channel, the gas-distributing chamber is separated from the refractory material by a metal sheet plate, and the metal channel is tightly mounted in the metal sheet plate so that the refractory material is maintained free from loading with a gas pressure.

    摘要翻译： 用于通过其衬里将气体吹入金属处理容器的耐火材料的透气元件具有耐火材料体，耐火体纵向侧面上的金属外壳，耐火材料的自由内端表面 被暴露的外端表面，设置有用于气体供应的气体分配室，至少一个局部开口，其在耐火体内部延伸，用于在端面之间的气体通道并设置有金属插入件，其中金属插入件 形成为侧向封闭的小通道，气体分配室通过金属板板与耐火材料分离，并且金属通道紧密地安装在金属板板中，使得耐火材料保持不受负载 气压。