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    APPARATUS FOR INJECTING GAS INTO A VESSEL
    102.
    发明公开
    APPARATUS FOR INJECTING GAS INTO A VESSEL 有权
    EINGEFÄSS的VORRICHTUNG ZUM EINBRINGEN VON气体

    公开(公告)号：EP1377689A4

    公开(公告)日：2004-07-21

    申请号：EP02717831

    申请日：2002-04-10

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DUNNE MARTIN JOSEPH ,  HARDIE GREGORY JOHN

    IPC: C21C7/072 ,  C21C5/46 ,  C21B5/00 ,  C21B13/00 ,  C21C5/32 ,  C21C5/56 ,  F27D3/16

    CPC classification number: C21C5/4606 ,  F23D2214/00

    Abstract: An injection lance (26) for injecting hot gas into a vessel includes an elongate gas flow duct (31) which receives hot gas from a gas inlet structure (32) and an elongate central tubular structure (33) which extends within gas flow duct (31) from its rear end to its forward end. Adjacent the forward end of duct (31), central structure (33) carries a series of flow directing vanes (34) for imparting swirl to the hot gas flow exiting the duct. The wall of duct (31) downstream from gas inlet (32) is internally water cooled by flow of water through annular passages (43,44). The cooling water also flows through the interior of a duct tip (36) at the forward end of duct (31). The front end of central structure (33) which carries the swirl vanes (34) is internally water cooled by cooling water supplied forwardly through a central water flow passage (52) from a water inlet (53) at the rear of the lance through to a nose (35) of the central structure. The cooling water returns back through the central structure via an annular water return passage (54) to a water outlet (55) at the rear end of the lance.

    Abstract translation: 用于将热气体注入容器的注射喷枪（26）包括从气体入口结构（32）接收热气体的细长气流通道（31）和在气流通道（32）内延伸的细长中心管状结构（33） 31）从其后端到前端。 靠近导管31的前端，中心结构33带有一系列导流叶片34，用于给离开导管的热气流施加涡流。 在气体入口（32）下游的导管（31）的壁通过水流通过环形通道（43,44）而在内部被水冷却。 冷却水也流过管道（31）前端处的管道尖端（36）的内部。 承载旋流叶片（34）的中央结构（33）的前端通过从喷枪后部的进水口（53）通过中央水流通道（52）向前提供的冷却水而被内部水冷却， 中央结构的鼻子（35）。 冷却水通过环形回水通道（54）通过中央结构返回到喷枪后端的出水口（55）。

    A DIRECT SMELTING PROCESS
    104.
    发明公开
    A DIRECT SMELTING PROCESS 有权
    DIREKTSCHMELZVERFAHREN

    公开(公告)号：EP1114191A4

    公开(公告)日：2003-07-02

    申请号：EP99945759

    申请日：1999-09-03

    Applicant: TECH RESOURCES PTY LTD

    Inventor： MCCARTHY CAROLYN ANNE ,  DRY RODNEY JAMES ,  GOLDSWORTHY TARA ELLEN

    IPC: C21B11/00 ,  C21B13/00 ,  C21B13/02 ,  C21C5/28 ,  C21C5/46 ,  C21C5/56 ,  C21C7/00 ,  C22B5/10 ,  F27B3/04 ,  F27B3/08 ,  F27B3/19 ,  F27B3/22 ,  F27B19/02 ,  F27D3/00 ,  F27D3/18 ,  F27D9/00 ,  C21B11/02 ,  C22B5/12 ,  F27B19/04

    CPC classification number: C22B5/10 ,  C21B13/0013 ,  C21B13/0026 ,  C21C5/4606 ,  C21C5/56 ,  C21C7/0037 ,  C21C7/0087 ,  F27B3/045 ,  F27B3/085 ,  F27B3/19 ,  F27B3/225 ,  F27D3/0026 ,  F27D3/18 ,  F27D9/00 ,  Y02P10/136

    Abstract: A direct smelting process for producing metal from a metalliferous feed material is disclosed. The direct smelting process is a molten bath-based process in which smelting occurs predominantly in the metal layer, carrier gas/metalliferous feed material/solid carbonaceous material are injected into the metal layer via lances/tuyeres, and oxygen-containing gas is injected into the top space above the molten bath and post-combusts reaction gases released from the bath. The injection of metalliferous feed material and solid carbonaceous material causes molten material to be projected from the molten bath as splashes, droplets and streams and to form a transition zone. The process is characterised by forming a pipe of a solid material on an outlet end of at least one lance/tuyere while injecting the metalliferous feed material and the carbonaceous material through the lances/tuyeres and thereby extending the effective length of the lance/tuyere or the lances/tuyeres.

    Abstract translation: 公开了由含金属原料生产金属的直接熔炼工艺。 直接熔炼过程是基于熔融浴的过程，其中熔炼主要发生在金属层中，载气/含金属原料/固体含碳材料通过喷枪/风口注入到金属层中，并且将含氧气体注入 熔池上方的顶部空间并且后燃烧从池中释放的反应气体。 含金属原料和固体碳质材料的注入导致熔融材料以飞溅，液滴和物流的形式从熔池中投射并形成过渡区。 该方法的特征在于，在至少一个喷枪/风口的出口端形成固体材料管，同时通过喷枪/风口喷射含金属原料和含碳材料，从而延长喷管/风口的有效长度或 枪/风嘴。

    DIRECT SMELTING PROCESS FOR PRODUCING METALS FROM METAL OXIDES
    105.
    发明公开
    DIRECT SMELTING PROCESS FOR PRODUCING METALS FROM METAL OXIDES 有权
    池窑拉丝工艺用于制造由金属氧化物METALS

    公开(公告)号：EP1034311A4

    公开(公告)日：2003-06-25

    申请号：EP98943588

    申请日：1998-09-23

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES

    IPC: C21B11/00 ,  C21B11/02 ,  C21B13/00 ,  C21B13/04 ,  C22B5/10

    CPC classification number: C22B5/10 ,  C21B13/0026 ,  Y02P10/136

    Abstract: The HIsmelt process as disclosed in WO 96/31627 A1 (PCT/AU96/00197) consists of forming a molten bath of iron and slag, injecting metalliferous feed (oxides), solid carbonaceous material (coal and/or coke) and slag formers into the bath and smelting the metalliferous feed to metal. The process also consists of post-combusting the unoxidised reaction gases and transferring the generated heat to the bath to facilitate the smelting. In addition, a transition zone between the post-combustion zone and the quiescent metal zone is formed by injecting the charge together with a carrier gas into the bath, thus causing the metal and slag to be projected into the transition zone. The present application constitutes an improvement over the afore-mentioned application, in that lances/tuyères are inserted deep into the melt to provide oxygen for post-combustion of the unoxidised reaction gases and, in addition, to project splashes, droplets and streams of molten metal into the transition zone, which, in turn, fall back into the bath, thus effectively transferring heat from the post-combustion zone to the molten bath. The level of dissolved carbon in the bath is maintained at >/= 3 %, preferably > 4 %. The FeO level in the slag is maintained at . Primary post-combustion is set at > 40 %, preferably > 50 % or > 60 %.

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