公开(公告)号：US20020070488A1

公开(公告)日：2002-06-13

申请号：US09735178

申请日：2000-12-12

发明人： Stewart C. Jepson

IPC分类号： C21B007/16

CPC分类号： C22B9/006 ,  C21B7/14 ,  C21C7/072

摘要： Methods and apparatus for efficient utilization of a cryogen in inerting of solid and molten metals are presented. One method and apparatus of the invention includes providing a source of liquid cryogen; transporting the liquid cryogen through a conduit connected to the source of liquid cryogen to a gas/liquid separator, wherein a portion of the liquid cryogen transforms into gaseous cryogen en route; transporting a portion of the liquid cryogen through a first conduit connecting the gas/liquid separator to a cryogen supply nozzle; transporting the gaseous cryogen through a second conduit connecting the gas/liquid separator to a cryogen supply nozzle; and flowing at least a portion of liquid cryogen and at least a portion of the gaseous cryogen through the cryogen nozzle separately and near a surface of solid or molten metal. Thus liquid that transforms into gaseous cryogen en route from storage is not vented and not wasted, but used in inerting of solid or molten metals.

摘要翻译： 提出了有效利用冷冻剂在固体和熔融金属惰化中的方法和装置。 本发明的一种方法和装置包括提供液体冷冻剂源; 将液体冷冻剂通过连接到液体冷冻剂源的导管输送到气/液分离器，其中一部分液体冷冻剂在途中转化为气态冷冻剂; 通过将气/液分离器连接到制冷剂供应喷嘴的第一导管输送一部分液体冷冻剂; 通过将气/液分离器连接到冷冻剂供应喷嘴的第二导管运送气态冷冻剂; 并且将至少一部分液体冷冻剂和至少一部分气态冷冻剂分别通过冷冻剂喷嘴流动并在固体或熔融金属的表面附近流动。 因此，从存储路径转变为气态冷冻剂的液体不会排放而不被浪费，而是用于惰性化固体或熔融金属。

公开(公告)号：US20030209846A1

公开(公告)日：2003-11-13

申请号：US10144939

申请日：2002-05-13

发明人： Luis Paredes Rojas ,  Alfredo Zolezzi Garreton

IPC分类号： C21B007/16

CPC分类号： C21C5/4693 ,  C21C5/48

摘要： A system for eliminating the formation of accretions inside the air blowing tuyeres of converters and pyrometallurgical furnaces in smelting and conversion processes consisting in an electrical signal generator, transducers that convert said electrical signals in mechanical waves placed on the outer end of air blowing tuyeres, coupling means between said system and the shell of the converter, air blowing means placed with the transducers to apply mechanical waves with the airflow into said converter or pyrometallurgical furnace, breaking and eliminating the accretions that form in said air blowing tuyere due to the field of mechanical waves that allows a higher reaction efficiency of the injected air, increasing the kinetics of chemical reactions.

摘要翻译： 一种用于消除在熔融和转化过程中的转炉和火法冶金炉的吹风风口内形成积木的系统，包括电信号发生器，将放置在吹风风口外端的机械波转换所述电信号的换能器，耦合 在所述系统和转炉外壳之间的装置，设置有换能器的空气吹送装置将气流施加到所述转换器或火法冶金炉中的机械波，从而消除由于机械领域而在所述吹风风口中形成的积分 允许喷射空气的反应效率更高的波浪，增加了化学反应的动力学。

公开(公告)号：US20030075842A1

公开(公告)日：2003-04-24

申请号：US09982781

申请日：2001-10-22

申请人： Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)

发明人： Yoshihiro Urabe ,  Sumito Hashimoto ,  Takao Umeki

IPC分类号： C21B007/16

CPC分类号： C21B13/105 ,  F27B9/16 ,  F27B9/39 ,  F27D3/08 ,  F27M2001/02

摘要： A rotary hearth furnace is provided to simplify detachment and assembly operations of a reduced iron discharging screw. At both side walls of an insulating housing 2a constituting in part of a furnace body 2 of a rotary hearth furnace 1 are installed through-holes which a spiral blade 42 of a reduced iron discharging screw 4 can pass through, each of the through-holes is closed by an inner hatch member 8 and an outer hatch member 9 which are externally mounted in a removable fashion to a rotary shaft 41 of the reduced iron discharging screw 4, an inner screw supporting device 10 is installed in the outside at an inner periphery side of the hearth 3 as well as an outer screw supporting device 20 is installed in the outside at an outer periphery side of the hearth 3. The reduced iron discharging screw 4 is detached from the furnace body 2 via the through-holes and assembled to the furnace body 2 via the through-holes by using the inner screw supporting device 10 and the outer screw supporting device 20.

公开(公告)号：US20020031469A1

公开(公告)日：2002-03-14

申请号：US09755049

申请日：2001-01-08

发明人： Albert Lebl

IPC分类号： C21C005/38 ,  C21B007/22 ,  C21C005/40 ,  C22B001/00 ,  C21B007/16 ,  C21B007/18

CPC分类号： C23G1/36 ,  B01J8/003 ,  B01J8/087 ,  B01J8/10 ,  C01B7/035 ,  C01B13/18 ,  C01B13/34 ,  Y10S423/01 ,  Y10S423/02

摘要： Process and apparatus for regenerating spent acid liquor includes a primary roasting furnace for evaporating a substantial portion of the liquid from the spent acid to produce acid vapors and partially roasted metal salts. The partially roasted metal salts are transferred to a secondary roasting chamber where the acids adhering to the surface of the metal salts is vaporized and the metal salts are oxidized. The acid vapors from the primary roasting furnace are then transferred to an absorption column to regenerate the acid. The primary roasting furnace is operated at a different temperature from the secondary roasting chamber and has different retention times for the metal salts. The secondary roasting chamber includes a raking device to mix and convey the metal salts during the secondary roasting step to produce a uniformly roasted metal oxide.

摘要翻译： 用于再生废酸液的方法和设备包括用于从废酸蒸发大部分液体以产生酸蒸气和部分焙烧的金属盐的初级焙烧炉。 将部分焙烧的金属盐转移到二次焙烧室中，其中附着在金属盐表面的酸被蒸发并且金属盐被氧化。 然后将来自初级焙烧炉的酸蒸汽转移到吸收塔中以再生酸。 初级焙烧炉在与二次焙烧室不同的温度下运行，并且对于金属盐具有不同的保留时间。 二次焙烧室包括在二次焙烧步骤期间混合和输送金属盐的耙装置以产生均匀焙烧的金属氧化物。

公开(公告)号：US20030209845A1

公开(公告)日：2003-11-13

申请号：US10143286

申请日：2002-05-10

发明人： Luis Paredes Rojas ,  Alfredo Zolezzi Garreton

IPC分类号： C21B007/16

CPC分类号： C21C5/48

摘要： A system for generating mechanical waves for use in smelting and conversion processes that occur in furnaces and converters for a higher production of refined metals, consisting in an electrical signal generator, transducers that convert said electrical signals in mechanical waves placed on the outer end of air blowing tuyeres and a coupling means between said system and the shell of the converter. The air blowing tuyeres are placed forming an angle less than or equal to 90null with the transducer and the airflow entrance to the interior of the converter, forming a figure with an null angle shape; and the transducer is placed in the direction of the cross axis of the converter pointing towards the null angle of the air blowing tuyere, for applying mechanical waves that travel in a longitudinal direction with the airflow into the converter. The field of mechanical waves allows a higher efficiency in the oxygen reactions within the metal bath and slag, increasing the kinetics of chemical reactions, allowing a quicker homogenisation of the metal bath and reducing notoriously the copper trapped mechanically by the slag, all this leading to a higher production of metal.

摘要翻译： 一种用于产生用于冶炼和转化过程中的机械波的系统，其用于在用于更高产量的精炼金属的炉子和转炉中，其组合在电信号发生器中，换能器将放置在空气外部的机械波的所述电信号转换 在所述系统和所述转换器的外壳之间吹入风口和耦合装置。 吹风风口被放置形成小于或等于90°的角度，换能器和气流入口到转换器的内部，形成具有α角形状的图形; 并且换能器被放置在转向器的交叉轴线的方向上，该方向指向吹风风口的α角，用于施加沿着纵向方向行进的气流进入转换器的机械波。 机械波的领域允许在金属浴和炉渣内的氧反应更高的效率，增加化学反应的动力学，允许金属浴的更快的均质化和众所周知地减少被炉渣机械地捕获的铜，这一切导致 更高的金属生产。

公开(公告)号：US20030209843A1

公开(公告)日：2003-11-13

申请号：US10143054

申请日：2002-05-10

发明人： Luis Paredes Rojas ,  Alfredo Zolezzi Garreton

IPC分类号： C21B007/16

CPC分类号： C21C5/48 ,  C22B15/0028 ,  C22B15/0034 ,  F27D3/1545 ,  F27D21/0021 ,  F27D21/0028 ,  F27D2003/166 ,  F27D2019/0028

摘要： A system for generating mechanical waves for use in smelting and conversion processes that occur in furnaces and converters for a higher production of refined metals, consisting in a electrical signal generator, transducers that convert said electrical signals in mechanical waves placed on the outer end of air blowing tuyeres, a coupling means between said system and the shell of the converter, at least one resonant chamber that envelopes the air blowing tuyere and at least one transducer placed inside said resonant chamber, for applying mechanical waves that contain a great number of components of different amplitudes that travel with the airflow into the converter or pyrometallurgical furnace. The field of mechanical waves allows a higher efficiency in the oxygen reactions within the metal bath and slag, increasing the kinetics of chemical reactions, allowing a quicker homogenisation of the metal bath and reducing notoriously the copper trapped mechanically by the slag, all this leading to a higher production of metal.

摘要翻译： 一种用于产生机械波的系统，用于冶炼和转化过程中，用于更高生产精炼金属的炉子和转炉中，其中包括电信号发生器，换能器，其将放置在空气外部的机械波的所述电信号转换 吹风口，所述系统和转炉的壳体之间的耦合装置，至少一个谐振室，其包围吹风风口和至少一个置于所述谐振室内部的换能器，用于施加包含大量组分的机械波 不同的幅度随空气流进入转炉或火法冶金炉。 机械波的领域允许在金属浴和炉渣中的氧反应更高的效率，增加化学反应的动力学，允许金属浴的更快的均质化和众所周知地减少被炉渣机械捕获的铜，这一切导致 更高的金属生产。

公开(公告)号：US20030201587A1

公开(公告)日：2003-10-30

申请号：US10422975

申请日：2003-04-25

申请人： TOSHIBA CERAMICS CO., LTD.

发明人： Hiroshi Ohtsuka ,  Etsuhiro Hasebe ,  Kouji Enomoto

IPC分类号： C21B007/16

CPC分类号： B22D41/50

摘要： A submerged nozzle for continuous thin-slab casting by which a high quality thin-slab strand may be stably supplied for a long time in a continuous manner is provided, as a drift current and surface fluctuation of molten steel in the nozzle and a mold are prevented, and adhesion of ground metal to the nozzle, the damages of the nozzle and the like are suppressed even under long time use. In the submerged nozzle for continuous thin-slab casting, which comprises: a molten steel entrance port at the upper end; a molten steel stream channel with a shape of a tube extending downward from the molten steel entrance port; and a molten steel discharge opening at the lower end and in which the molten steel stream channel includes an upper section with a shape of a circular cylinder, an intermediate section with a transforming shape from a shape of a circular cylinder to a shape of a flat cylinder, and a lower section with a shape of a flat and straight tube, a cross sectional area at the flat and straight tube section in the lower section is configured to be equal to or larger than 95% or equal to or less than 105% of a cross sectional area at the cylindrical section in the upper section of the molten steel stream channel.

摘要翻译： 提供了一种用于连续薄板坯铸造的浸没喷嘴，其中可以连续地长时间稳定地供应优质薄板坯坯料，作为喷嘴和模具中的钢水的漂移电流和表面波动 即使长时间使用也能够抑制接地金属对喷嘴的粘附，喷嘴等的损伤。 在用于连续薄板坯铸造的浸没喷嘴中，其包括：上端的钢水入口; 从钢水入口入口向下延伸的具有管形的钢水流道; 和在下端的钢水排放口，其中钢水流道包括具有圆柱形形状的上部分，具有从圆柱形形状变成扁平形状的变形形状的中间部分 圆柱体和具有扁平和直管形状的下部分，下部中的平坦和直管部分处的横截面面积被构造成等于或大于95％或者等于或小于105％ 在钢水流道的上部的圆筒部的横截面积。

公开(公告)号：US20010033045A1

公开(公告)日：2001-10-25

申请号：US09883176

申请日：2001-06-19

申请人： Voest-Alpine Industrienalagenbau GmbH

发明人： Udo Gennari ,  Johannes-Leopold Schenk

IPC分类号： C21C005/46 ,  C21B007/16

CPC分类号： C21B13/002 ,  C21B13/0026 ,  C21B13/14 ,  C21B2100/44 ,  Y02P10/136

摘要： In a method of charging metal carriers which contain a portion of fines and are at least partially reduced to a melter gasifier in which a melt-down gasifying zone formed by a bed is maintained, the metal carriers and carbon carriers are fed into the melter gasifier above the level of the melt-down gasifying zone. The metal carriers descend to the melt-down gasifying zone and travel through the same forming a metal melt and producing a reducing gas by coal gasification. In order to prevent a partial discharge from the melter gasifier of the metal carriers, in particular of the fine particles thereof, when charging the same, feeding of the metal carriers into the interior of the melter gasifier is effected at a vertical distance below a dome (30) terminating the melter gasifier toward the top, gravitationally and under the formation of a strand (44), and the strand (44) is surrounded by a gas jacket (45) enclosing and accompanying the freely falling strand (44) from its level of origin (at 40) onwards over a section (46) of the fall, and in this section (46) the strand (44) is supported against expansion by the gas jacket (45).

摘要翻译： 在包含一部分细粉的金属载体的方法中，至少部分地还原成保持由床形成的熔化气化区的熔化气化器，将金属载体和碳载体进料到熔炉气化器 高于熔化气化区的水平面。 金属载体下降到熔化气化区，并通过其形成金属熔体并通过煤气化产生还原气体。 为了防止金属载体，特别是其微细颗粒的熔融气化器的局部放电，当充电时，金属载体进入熔化器气化器的内部在垂直距离的圆顶下方进行 （30）在重力作用下和在股线（44）的形成下终止熔融气化器朝向顶部终止熔融气化器，并且股线（44）被包围并伴随着自由落下的股线（44）的气套（45）包围， 起始点（40°）在秋天的一部分（46）之后，在该部分（46）中，股线（44）被气套（45）支撑而不被膨胀。

公开(公告)号：US20030209844A1

公开(公告)日：2003-11-13

申请号：US10143055

申请日：2002-05-10

发明人： Luis Paredes Rojas ,  Alfredo Zolezzi Garreton

IPC分类号： C21B007/16

CPC分类号： C22B15/0028 ,  C21C5/48 ,  C22B15/0034 ,  F27D3/1545 ,  F27D21/0021 ,  F27D21/0028 ,  F27D2003/166 ,  F27D2019/0028

摘要： A system for generating mechanical waves for use in smelting and conversion processes that occur in furnaces and converters for a higher production of refined metals, consisting in an electrical signal generator, transducers that convert said electrical signals in mechanical waves placed on the outer end of air blowing tuyeres and a coupling means between said system and the shell of the converter. The air blowing tuyeres are placed forming an 180null angle in the direction of the airflow entrance, while the transducers are placed transversally to the air blowing tuyeres so as to apply mechanical waves that travel in a transversal direction with the air flow into the converter or pyrometallurgical furnace. The field of mechanical waves allows a higher efficiency in the oxygen reactions within the metal bath and slag, increasing the kinetics of chemical reactions, allowing a quicker homogenization of the metal bath and reducing notoriously the copper trapped mechanically by the slag, all this leading to a higher production of metal.

摘要翻译： 一种用于产生用于冶炼和转化过程中的机械波的系统，其用于在用于更高产量的精炼金属的炉子和转炉中，其组合在电信号发生器中，换能器将放置在空气外部的机械波的所述电信号转换 在所述系统和所述转换器的外壳之间吹入风口和耦合装置。 吹气风口在气流入口的方向上形成180°角，同时将换能器横向放置在吹风风口上，以便施加沿横向行进的机械波，空气流进入转换器或 火法冶金炉。 机械波的领域使得金属浴和炉渣内的氧反应的效率更高，从而增加了化学反应的动力学，允许金属浴的更快的均质化和众所周知地减少被炉渣机械地捕获的铜，这一切导致 更高的金属生产。

公开(公告)号：US20030102611A1

公开(公告)日：2003-06-05

申请号：US10257744

申请日：2002-10-16

发明人： Jean-luc Renard ,  Vincent Boisdequin ,  Calogero Lattuca ,  Mariano Collura

IPC分类号： C21B007/16

CPC分类号： B22D41/56

摘要： The present invention relates to a clamping device including at least two assemblies each composed of a clamp (10) pivoting about a horizontal axis (11) and fitted with a groove (12) receiving a shoe (13) generally cylindrical in shape incorporating a flat surface (14) parallel to the axis of said cylinder, said shoe being capable of pivoting in the groove. The present invention also relates to a one-piece inner nozzle (2) particularly adapted for use with this clamping device. The one-piece inner nozzle according to the invention is thus composed of a tubular part (6) defining a pouring channel (4) and a flat part or plate (7) providing contact with the downstream component (8) of the pouring channel. The characteristic of the nozzle according to the invention is that the plate (7) is generally shaped as a prism which can be defined by its polygon-shaped bases and the prismatic surface which they intersect perpendicularly, the said polygonal bases comprising an upper base (22), whose displacement within the prismatic surface defines the interface with the tubular part (6) and a lower base (21) parallel to the upper base and, on either side of the upper base, two sides (23, 23null) forming an obtuse angle (null) with the upper base (22).

摘要翻译： 夹紧装置技术领域本发明涉及一种夹紧装置，其包括至少两个组件，每个组件由围绕水平轴线（11）枢转并且装有槽（12）的夹具（10）组成，所述凹槽（12）容纳大致圆柱形的鞋 平行于所述气缸的轴线的表面（14），所述鞋能够在所述凹槽中枢转。 本发明还涉及特别适用于该夹紧装置的单件式内部喷嘴（2）。 因此，根据本发明的单件式内部喷嘴由限定浇注通道（4）的管状部件（6）和与浇注通道的下游部件（8）提供接触的平坦部件或板（7）组成。 根据本发明的喷嘴的特征在于，板（7）通常成形为棱镜，其可以由其多边形基部和它们垂直相交的棱镜表面限定，所述多边形基部包括上基部（ 22），其在棱柱形表面内的位移限定与管状部分（6）的界面和与上基部平行的下基部（21），并且在上基部的任一侧上形成两侧（23,23'），形成 与上基座（22）的钝角（α）。