Apparatus for injecting solid particulate material into vessel
    1.
    发明专利
    Apparatus for injecting solid particulate material into vessel 审中-公开
    将固体颗粒物料注入船只的装置

    公开(公告)号:JP2012255645A

    公开(公告)日:2012-12-27

    申请号:JP2012185278

    申请日:2012-08-24

    CPC classification number: C21C5/4606 F27D3/18 F27D2003/168

    Abstract: PROBLEM TO BE SOLVED: To provide an elongate metallurgical lance for injecting solid particulate material into molten material held within a vessel.SOLUTION: In the metallurgical lance, (i) an annular cooling jacket includes an inner tube and an outer tube which are connected to each other by a front end connection part made of copper or copper alloy, (ii) an outer wall of a forward end part of a jacket is formed from a first material which includes copper or copper alloy and which has high heat transfer properties and can withstand external temperature higher than 1,100°C when the jacket is cooled with coolant flow, (iii) an outer wall of a body part of the jacket is formed from a second material which includes steel and which maintains its structural properties even when exposed to external temperature higher than 1,100°C when the jacket is cooled with coolant flow, whereby the outer wall acts as a structural member which contributes to supporting the lance at these temperatures, and (iv) the outer wall of the forward end part and the outer wall of the body part are welded together.

    Abstract translation: 要解决的问题:提供用于将固体颗粒材料注入保持在容器内的熔融材料中的细长冶金喷枪。 解决方案:在冶金喷枪中,(i)环形冷却套管包括通过铜或铜合金制成的前端连接部件彼此连接的内管和外管,(ii)外壁 夹套的前端部由包含铜或铜合金的第一材料形成,并且当夹套用冷却剂流冷却时,其具有高的传热性能并能够承受高于1100℃的外部温度,(iii) 护套的主体部分的外壁由包括钢的第二材料形成,并且即使当外壳用冷却剂流冷却时,即使暴露于高于1100℃的外部温度时也保持其结构特性,由此外壁作为 有助于在这些温度下支撑喷枪的结构件,以及(iv)前端部的外壁和主体部分的外壁焊接在一起。 版权所有(C)2013,JPO&INPIT

    Apparatus for injecting gas into vessel
    2.
    发明专利
    Apparatus for injecting gas into vessel 审中-公开
    将气体注入船只的装置

    公开(公告)号:JP2008190854A

    公开(公告)日:2008-08-21

    申请号:JP2007324971

    申请日:2007-12-17

    Abstract: PROBLEM TO BE SOLVED: To provide a lance withstanding an extremely high temperature and allowing effective cooling at both the inside and an outer wall particularly at the lead-in end of the lance for injecting gas into a combustion zone of a metallurgical vessel. SOLUTION: This apparatus comprises a duct for injecting material; an inside inflow passage through which cooling water flows from the rear end of the duct to the front end, and an outside outflow passage through which the cooling water flows from the front end of the duct to the rear end, respectively extending through a duct wall; and an annular duct tip part disposed at the front end of the duct and connecting the inside and outside water passages to allow water to flow. The annular duct tip part comprises an annular inner end member, an annular outer end member, an annular central member arranged between the inner end member and outer end member, and a dividing device for dividing a space between the outer end member and the central member into individual radial passages. COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供耐受极高温度的喷枪,并且允许在内部和外壁,特别是在喷枪的引入端处有效地冷却,以将气体注入冶金容器的燃烧区域 。

    解决方案:该装置包括用于注入材料的管道; 内部流入通道,​​冷却水从管道的后端流向前端,以及外部流出通道,冷却水从管道的前端流动到后端,分别延伸穿过管道壁 ; 以及设置在管道的前端并连接内外水路以允许水流动的环形管道尖端部分。 环形管道末端部分包括环形内端构件,环形外端构件,布置在内端构件和外端构件之间的环形中心构件,以及用于分隔外端构件和中心构件之间的空间的分隔装置 进入单个径向通道。 版权所有(C)2008,JPO&INPIT

    Apparatus for injecting gas into vessel
    3.
    发明专利
    Apparatus for injecting gas into vessel 审中-公开
    将气体注入船只的装置

    公开(公告)号:JP2006138623A

    公开(公告)日:2006-06-01

    申请号:JP2005299932

    申请日:2005-10-14

    Abstract: PROBLEM TO BE SOLVED: To provide a structure allowing an inside edge member of a duct tip member and an end component to be cooled well and having improved structural strength. SOLUTION: This apparatus for injecting gas into a vessel includes a gas flow duct 31 which receives hot gas passing through a gas inlet structure 32 at a rear end of the duct. An elongate central structure 33 extends throughout the length of duct 31 and carries a series of vanes 34 for imparting swirl to the gas flow exiting at the forward end of the duct. The forward end of duct 31 has an annular tip member 36 mounted thereat and cooling water flows into the tip member 36 through passages 43 and 44 in the wall of duct 31. The tip member 36 comprise a hollow shell internally divided by a partitioning structure to form a series of water flow galleries. The respective galleries extend circumferentially around the tip member 36 and are interconnected for flow of cooling water sequentially through the galleries from the water supply passage 43 to the water return passage 44. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供允许管道尖端部件和端部部件的内边缘部件被良好冷却并且具有改善的结构强度的结构。 解决方案:用于将气体注入容器的装置包括气流管道31,其接收通过管道后端处的气体入口结构32的热气体。 细长的中心结构33延伸穿过管道31的整个长度,并且承载一系列的叶片34,用于对在管道前端离开的气流产生漩涡。 管道31的前端具有安装在其上的环形尖端构件36,冷却水通过管道31的壁中的通道43和44流入顶端构件36.顶部构件36包括内部由分隔结构分隔的中空壳体 形成一系列的水流画廊。 相应的画廊围绕尖端构件36周向延伸,并且被连接用于冷却水的流动,​​顺序地通过画廊从供水通道43到水回流通道44.版权所有(C)2006,JPO&NCIPI

    Direct smelting process and apparatus
    4.
    发明专利
    Direct smelting process and apparatus 审中-公开
    直接冶炼工艺和设备

    公开(公告)号:JP2012255215A

    公开(公告)日:2012-12-27

    申请号:JP2012172820

    申请日:2012-08-03

    CPC classification number: C21B11/00 C21B13/0026 Y02P10/136

    Abstract: PROBLEM TO BE SOLVED: To provide a direct smelting process and an apparatus therefor for producing a molten metal from an iron-containing material that can achieve a high efficiency for heat transfer.SOLUTION: A feed material which includes a solid material and a carrier gas is injected into molten baths 22 and 23 at a velocity of at least 40 m/s through a solid injection lance 27 arranged so that the central axis is at an angle of 20 to 90 degrees downward with respect to the horizontal axis. The feed material injection generates a surface 25 gas flow of at least 0.04 Nm/s/min the molten baths 22 and 23 at least in part by reactions of the material injected in the baths 22 and 23. The gas flow causes the molten material to be projected upwardly as splashes, droplets and streams, and forms an expanded molten bath zone 28, with the gas flow and the upwardly projected molten material causing substantial movement of the material in the molten bath 23 and strong mixing of the molten bath 23.

    Abstract translation: 要解决的问题:提供直接熔炼工艺及其设备,用于从能够实现传热效率高的含铁材料制造熔融金属。 解决方案:包括固体材料和载气的进料通过固体注射喷枪27以至少40m / s的速度注入熔池22和23中,固体注射喷枪27使得中心轴处于 相对于水平轴向下20度至90度的角度。 进料材料注入在熔池22中产生至少为0.04Nm的表面25气流。 并且至少部分地通过注入浴槽22和23中的材料的反应而使气体流动导致熔融材料以溅溅,液滴和流向上突出,并且形成膨胀的熔融浴区域28,气流 并且向上突出的熔融材料引起材料在熔池23中的大量移动,并且熔融浴23的强烈混合。版权所有(C)2013,JPO&INPIT

    Swirl induction in gas flow
    5.
    发明专利
    Swirl induction in gas flow 有权
    气流中的SWIRL感应

    公开(公告)号:JP2007024309A

    公开(公告)日:2007-02-01

    申请号:JP2006175839

    申请日:2006-05-30

    CPC classification number: C21C5/4606 C21C5/48 F27B3/22 F27D3/16

    Abstract: PROBLEM TO BE SOLVED: To provide a gas swirl generator capable of inducing swirl with reduced turbulent flow.
    SOLUTION: An apparatus for injecting gas into a vessel is disclosed. The apparatus may include a gas flow duct 31 and a central body 33 within a forward end region of the duct to form an annular nozzle for exhausting gas from the duct. A plurality of flow directing vanes 91 are arranged about the central body to impart swirl to a gas flow through the nozzle. The flow directing vanes have substantially straight leading end portions 91A radiating outwardly from the central body and extending along the duct. The vanes also have substantially helical trailing end portions 91C extending helically about the central body toward the front end of the duct and transition portions 91B joining the leading end portions to the trailing end portions. The transition portions are shaped to merge smoothly with both the leading end portions and the trailing end portions and to smoothly and progressively change shape between them.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题:提供能够引起具有减少的湍流的涡流的气体涡旋发生器。 解决方案:公开了一种用于将气体注入容器的装置。 该设备可以包括在管道的前端区域内的气体流动管道31和中心体33,以形成用于从管道排出气体的环形喷嘴。 多个流动引导叶片91围绕中心体布置以对通过喷嘴的气流赋予漩涡。 导流叶片具有从中心体向外辐射并且沿管道延伸的基本上直的前端部分91A。 叶片还具有基本上螺旋的后端部分91C,其围绕中心体螺旋地延伸到管道的前端,并且将前端部分连接到后端部分的过渡部分91B。 过渡部分成形为与前端部和后端部两者平滑地并入,并且在它们之间平滑且逐渐地改变形状。 版权所有(C)2007,JPO&INPIT

    Supplying solid feed materials for direct smelting process
    6.
    发明专利
    Supplying solid feed materials for direct smelting process 有权
    供应直接熔炼工艺的固体饲料

    公开(公告)号:JP2006118049A

    公开(公告)日:2006-05-11

    申请号:JP2005325327

    申请日:2005-10-12

    CPC classification number: F27D3/18 C21B13/0013 C21C5/567 F27B3/18 F27D3/0033

    Abstract: PROBLEM TO BE SOLVED: To provide a supply means of solid feed materials having efficiency and reliability for injecting the solid feed materials into a direct smelting vessel during Hismelt (R) process operation. SOLUTION: A solid material feeding means 31 for injecting the solid feed materials, that is, carbonaceous materials into a direct smelting vessel SRV as a facility, independently feeds the carbonaceous materials into the plurality of injecting lances 7a, 7b. The independent supply of the carbonaceous materials minimizes the possible adverse impact of breakdowns of the carbonaceous material injection means for one or more of lances or of one or more lances. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供在Hismelt(R)工艺操作期间将固体进料材料注入直接熔炼容器的具有效率和可靠性的固体进料的供给装置。 解决方案:用于将固体原料(即碳质材料)注入直接熔炼容器SRV作为设备的固体材料进料装置31独立地将碳质材料进料到多个喷射喷枪7a,7b中。 碳质材料的独立供应最小化碳质材料注射装置对于一种或多种喷枪或一种或多种喷枪的破坏的可能的不利影响。 版权所有(C)2006,JPO&NCIPI

    Direct smelting device
    7.
    发明专利
    Direct smelting device 审中-公开
    直接熔化设备

    公开(公告)号:JP2012102998A

    公开(公告)日:2012-05-31

    申请号:JP2012000035

    申请日:2012-01-04

    Abstract: PROBLEM TO BE SOLVED: To provide an effective facility arrangement for separating and arranging a plurality of facilities having various functions into different regions of a vessel circumference, minimizing a possibility of interference between the various functions, and maximizing the safety of smelting working in a smelting device.SOLUTION: An oxidation gas delivery duct means 31 and an exhaust gas duct means 32 are extended in a first region out of at least three individual regions arranged in the circumference of a fixed smelting vessel 11 and extended outward for the fixed smelting vessel. A metal discharge means and a metal discharge gutter means 34 are arranged in a second region out of the three regions, and a slag sampling means and a slag sampling gutter means 46 are arranged in a third region out of the three regions.

    Abstract translation: 要解决的问题:为了提供一种有效的设备布置,用于将具有各种功能的多个设施分离并布置在容器圆周的不同区域中,最小化各种功能之间的干扰的可能性,并最大限度地提高冶炼工作的安全性 在冶炼设备中。 解决方案:氧化气体输送管道装置31和排气管道装置32在布置在固定熔炼炉11周围的至少三个单独区域中的第一区域中延伸,并向外延伸用于固定熔炼容器 。 在三个区域中的第二区域中布置有金属排出装置和金属排出沟槽34,并且在三个区域中的第三区域中布置有炉渣取样装置和渣取样装置46。 版权所有(C)2012,JPO&INPIT

    Direct smelting method for producing metal from metal oxide
    8.
    发明专利
    Direct smelting method for producing metal from metal oxide 审中-公开
    用于从金属氧化物生产金属的直接熔化方法

    公开(公告)号:JP2008255494A

    公开(公告)日:2008-10-23

    申请号:JP2008148936

    申请日:2008-06-06

    Inventor: DRY RODNEY JAMES

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

    Abstract: PROBLEM TO BE SOLVED: To provide a direct smelting method obtained by improving the conventional Hismelt-method. SOLUTION: Lance/tuyere are inserted deep into the bath and oxygen for post-combustion of unoxidized reaction gas is supplied and in addition, splashes, droplets and streams of molten metal, are spouted up in the transition zone, and the effective heat-conduction is performed to the bath from the post-combustion zone by dropping down these again into the bath. The level of dissolved carbon in the bath is maintained to ≥3%, desirably >4%, and FeO content in the slag is maintained to 3 and the primary post-combustion is set at >40%, desirably >50% or >60%. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:提供通过改进常规Hismelt方法获得的直接熔炼方法。

    解决方案:将喷枪/风口插入浴室,并提供用于未氧化反应气体后燃的氧气,此外,在过渡区域喷出熔融金属的飞溅,液滴和液流,有效 通过将它们再次放入浴中,从后燃烧区域对浴进行热传导。 浴中溶解的碳水平保持在≥3%,理想的> 4%,炉渣中的FeO含量维持在<8%,理想的<6%或<5%。 选择作为充电材料的一部分充电的固体碳质材料的量使得废气含有至少一些碳,优选在废气中的粉尘重量的5-90%。 该重量%对应于10-50kg / Nm 3 / SP>,初级后燃烧设定在> 40%,期望> 50%或> 60%。 版权所有(C)2009,JPO&INPIT

    Apparatus for injecting material into vessel
    9.
    发明专利
    Apparatus for injecting material into vessel 审中-公开
    将材料注入船只的装置

    公开(公告)号:JP2008196048A

    公开(公告)日:2008-08-28

    申请号:JP2007324970

    申请日:2007-12-17

    Inventor: HARDIE GREG

    Abstract: PROBLEM TO BE SOLVED: To improve a cooling capacity of a lance for injecting gas into a metallurgical vessel at high temperature.
    SOLUTION: An apparatus includes a passage for flowing in which cooling water flows from the rear end part to the front end part of respective ducts in the inside and the outside extended through the duct for injecting the material and an annular duct tip end part arranged at the front end part of the duct so that the water flows by connecting the interval between the water flowing passages at the inside and the outside. The flowing passages for cooling water at the inside and the outside, are constituted so that the flowing-out water from the tip end part of the annular duct to the rear end part of the duct travels through a longer flowing passage than the flowing-in water flowing from the rear end part of the duct to the tip end part of the annular duct.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提高用于在高温下将气体注入到冶金容器中的喷枪的冷却能力。 解决方案:一种装置,包括一个通道,其中冷却水从内部的各个管道的后端部分到前端部分流动,并且外部延伸穿过用于注入材料的管道,并且环形管道末端 部分布置在管道的前端部分,使得水通过连接在内部和外部的水流动通道之间的间隔而流动。 内部和外部冷却水的流动通道被构造成使得从环形管道的末端部分到管道的后端部分的流出水穿过比流入的较长的流动通道 从管道的后端部分流到环形管道的末端部分的水。 版权所有(C)2008,JPO&INPIT

    Apparatus for injecting gas into vessel
    10.
    发明专利
    Apparatus for injecting gas into vessel 有权
    将气体注入船只的装置

    公开(公告)号:JP2008240144A

    公开(公告)日:2008-10-09

    申请号:JP2007324974

    申请日:2007-12-17

    Abstract: PROBLEM TO BE SOLVED: To provide an improved construction which achieves effective cooling of both swirl vanes and a forward nose portion of a central structure. SOLUTION: An apparatus 26 for injecting gas into a metallurgical vessel comprises a gas flow duct 31, an elongate control tubular structure 33 extending within the gas flow duct, the plurality of flow directing swirl vanes 34, a cooling water inflow passage 43 and a cooling water outflow passage 44 within the center structure and the nose portion 36 provided with one or more water flow passages. The flow directing vanes are provided with an internal water cooling vane passages 84. The water flow is communicated through the vane passage from the cooling water inflow passage in the central structure to the water flow passage in the nose portion of the central structure and thus, at least some of the inflow water is passed through the vane passage and the water flow passage in the nose portion and thence, to the outflow passage. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种改进的结构,其实现了涡流叶片和中心结构的前鼻部分的有效冷却。 解决方案:用于将气体注入到冶金容器中的装置26包括气体流动管道31,在气体流动管道内延伸的细长控制管状结构33,多个流动流动涡流叶片34,冷却水流入通道43 以及中心结构内的冷却水流出通道44和设置有一个或多个水流通道的鼻部36。 导流叶片设置有内部水冷却叶片通道84.水流通过叶片通道从中心结构中的冷却水流入通道连通到中心结构的鼻部中的水流通道, 至少一些流入水通过叶片通道和鼻部中的水流通道,并且从而进入流出通道。 版权所有(C)2009,JPO&INPIT

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