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    • 4. 发明申请
    • APPARATUS FOR INJECTING SOLID PARTICULATE MATERIAL INTO A VESSEL
    • 将固体颗粒物料注入船只的装置
    • WO2006010210A1
    • 2006-02-02
    • PCT/AU2005/001103
    • 2005-07-27
    • TECHNOLOGICAL RESOURCES PTY LIMITEDWILLIAMS, TrevorCADY, Barry, Alan
    • WILLIAMS, TrevorCADY, Barry, Alan
    • C21B13/10
    • F27D1/12C21C5/462C21C5/567F27B3/20F27B3/22F27D99/0003
    • Smelting apparatus comprises a vessel (11) and a solids injection lance (27a) extending through an opening in the wall of vessel barrel (16) into the interior space of the vessel. Lance (27a) includes a central core tube (31) through which to pass solid particulate material into the vessel and an annular cooling jacket (32) surrounding the central core tube (31) throughout a substantial part of its length. Lance (27a) has a mounting structure (61) comprising a tubular part (60) extended about cooling jacket (32) and about twice the diameter of the cooling jacket. Tubular part (60) fits within a tubular lance mounting bracket (62) welded to the shell (16a) of vessel barrel (16) to extend outwardly from the vessel. The lance is held within mounting bracket (62) by clamping bolts (66) acting between flanges (63,65) on tubular part (60)and tubular bracket (62), such that the forward end of part (60) is flush with the inner surface of the refractory lining (16b) of vessel barrel (16). On release of the clamping bolts and removal of a spacer ring (67) between flanges (63,65), lance (27a) can be driven inwardly for some distance by sliding within tubular bracket (62) to break slag accretions to permit withdrawal of the lance.
    • 冶炼设备包括容器(11)和固体注入喷枪(27a),其延伸穿过容器筒(16)的壁中的开口进入容器的内部空间。 喷枪(27a)包括中心芯管(31),通过所述中心芯管(31)将固体颗粒材料传送到容器中,并且环形冷却套(32)围绕其中心芯管(31)的大部分长度。 喷枪(27a)具有安装结构(61),其包括围绕冷却套(32)延伸的约一半的冷却套的直径的管状部分(60)。 管状部分(60)装配在焊接到容器筒(16)的壳体(16a)上的管状喷枪安装支架(62)中,以从容器向外延伸。 喷枪通过夹紧在管状部件(60)和管状支架(62)上的凸缘(63,65)之间的螺栓(66)而保持在安装支架(62)内,使得部件(60)的前端与 容器筒(16)的耐火衬里(16b)的内表面。 在释放夹紧螺栓并拆除凸缘(63,65)之间的间隔环(67)时,可以通过在管状支架(62)内滑动来将喷枪(27a)向内驱动一段距离,以破碎进入渣滓 长枪
    • 5. 发明申请
    • METHOD FOR MELTING AND DECARBURIZATION OF IRON CARBON MELTS
    • 铁碳素熔融和脱碳的方法
    • WO2002099143A1
    • 2002-12-12
    • PCT/US2002/017232
    • 2002-05-31
    • PROCESS TECHNOLOGY INTERNATIONAL, INC.
    • SHVER, Valery, G.
    • C21C7/068
    • C21C5/462C21C5/5217F27B3/205F27B3/225F27D1/12F27D2009/0045H05B7/185Y02P10/216
    • A method and an apparatus for advantageously introducing a flame and a high velocity oxidizing gas into a furnace for metal melting, refining and processing, particularly steel making in an electric arc furnace. The steel making process of an electric arc furnace is made more efficient by shortening the time of the scrap melting phase and introducing an effective high velocity oxidizing gas stream into the process sooner to decarburize the melted metal. In one implementation of an apparatus, improved efficiency is obtained by mounting a fixed burner/lance closer to the hot face of the furnace refractory at an effective injection angle. This mounting technique shortens the distance that the flame of the burner has to melt through the scrap to clear a path to the molten metal and shortens the distance the high velocity oxygen from the lance travels to the slag-metal interface thereby increasing its penetrating power. The method additionally includes supplying a plurality of reaction zones with the high velocity oxidizing gas to decarburize the melted metal. The plurality of reaction zones increases the surface area available for the reaction thereby allowing a more rapid rate of decarburization and a more homogenous metal bath. The reaction zones are supplied with the high velocity oxidizing gas according to an oxygen supply profile which is related to the carbon content of the metal bath. In this manner an optimal amount of oxygen can be introduced into the metal bath to shorten the decarburization process without producing excessive oxidation of the metal bath and excessive free oxygen in the furnace.
    • 一种用于有利地将火焰和高速氧化气体引入用于金属熔化,精炼和加工的炉中,特别是在电弧炉中制钢的方法和装置。 电弧炉的制钢过程通过缩短废料熔融阶段的时间并将有效的高速氧化气体流引入该过程中以使熔融的金属脱碳,从而更有效。 在设备的一个实施方式中,通过将固定的燃烧器/喷枪以有效的注入角度更靠近炉子耐火材料的热面安装来获得提高的效率。 这种安装技术缩短了燃烧器的火焰必须通过废料熔化的距离,以清除熔融金属的路径,并缩短了高速氧从喷枪行进到渣 - 金属界面的距离,从而增加了其穿透力。 该方法还包括向高速氧化气体供给多个反应区以对熔融的金属进行脱碳。 多个反应区增加可用于反应的表面积,从而允许更快速的脱碳和更均匀的金属浴。 根据与金属浴的碳含量相关的供氧特性,向反应区供应高速氧化气体。 以这种方式,可以将最佳量的氧气引入金属浴中以缩短脱碳过程,而不会导致金属浴的过度氧化和炉中的过量游离氧。
    • 6. 发明申请
    • COUPLING
    • 耦合
    • WO00040352A1
    • 2000-07-13
    • PCT/GB2000/000036
    • 2000-01-07
    • B22D1/00C21C5/46
    • C21C5/462B22D1/005
    • A steel making system including a coupling for the supply of stirring gas to a ladle (10). The coupling includes a male member (6) mounted on a ladle car or stand (3) which is controllably actuable to move in a substantially horizontal plane between a first retracted position and a second extended position. The rear of the male member (6) is mounted on a universal joint (4) and its front is hung from springs (5). This mounting allows the male member to move in a vertical plane and makes it tolerant of misalignment between the ladle and the car or stand (3).
    • 一种炼钢系统,包括用于向钢包(10)供应搅拌气体的联接器。 联接器包括安装在钢包车或支架(3)上的阳构件(6),其可控地致动以在第一缩回位置和第二延伸位置之间在基本水平的平面中移动。 阳构件(6)的后部安装在万向节(4)上,其前部悬挂弹簧(5)。 该安装允许阳构件在垂直平面中移动并且允许钢包与汽车或支架(3)之间的未对准。
    • 10. 发明申请
    • LANZA TÉRMICA CON RETENCIÓN CONTINUA DE SUS COMPONENTES Y MÉTODO PARA SU FABRICACIÓN
    • 其部件的连续保持的热风和制造方法
    • WO2013097045A1
    • 2013-07-04
    • PCT/CL2012/000077
    • 2012-12-27
    • TREFIMET S.A.
    • PEÑA ASTORGA V, Victor
    • B23K35/02C21C5/46E21B7/14
    • B23K35/02C21C5/462
    • Una lanza térmica del tipo formada por, a lo menos, un componente interno oxidable y un tubo externo oxidable, sustancialmente coextensivos, definiendo uno o más pasajes longitudinales para la circulación de un gas oxidante que cruzará desde un extremo de alimentación hacia el otro extremo de ignición de dicha lanza térmica, cuando ésta se encuentre en operación. Los componentes internos de la lanza térmica quedan retenidos en el tubo externo por un estrechamiento o aplastamiento continuo de éste en toda su longitud. El método para fabricar la lanza térmica incluye, a lo menos: introducir axialmente componentes internos en el tubo externo; hacer pasar el conjunto previo por un dispositivo mecánico que reduzca la sección transversal del tubo externo; recortar los extremos de dicha lanza térmica; y, opcionalmente, conformar los extremos de la lanza térmica con medios de sujeción, para la fijación de los medios de suministro de gas oxidante y eventual acoplamiento de dos o más lanzas térmicas, o el acoplamiento de facilitadores de encendido en el extremo de ignición. También, opcionalmente, la lanza térmica y el método, incluyen un ceramizado de la superficie exterior y/o interior de la lanza.
    • 本发明涉及一种由可氧化内部组分和可氧化外管组成的热喷枪,其基本上共同延伸,限定了一个或多个纵向通道,用于循环氧化气体,该氧化气体将从所述一个进气端传递到所述 热喷枪,当后者运行时。 热喷枪的内部部件通过管沿其整个长度的连续平坦化或收缩而保持在外管内。 制造热喷枪的方法至少包括:将内部部件轴向地插入外管中; 使上述组件通过减小外管横截面的机械装置; 切割所述热喷枪的端部; 并且可选地为热喷枪的端部提供紧固装置,用于附接用于供应氧化气体的装置,并且可能联接两个或更多个热喷枪,或者在点火端耦合启动辅助装置。 热喷枪和方法还可选地包括在喷枪的外表面和/或内表面上的陶瓷涂层。