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    • 1. 发明专利
    • Refractory block for forming molten metal passage
    • 用于形成金属通道的耐火块
    • JP2014077167A
    • 2014-05-01
    • JP2012225066
    • 2012-10-10
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • YANAGI KENJIFURUSAWA EIJI
    • C21B7/14F27D1/04
    • PROBLEM TO BE SOLVED: To provide a refractory block for forming a molten metal passage that solves the problem of erosion of a connection joint between refractory blocks and that improves the durability of molten iron trough or slag trough constituted by using refractory blocks.SOLUTION: There is provided a refractory block 10 having a bottom part and both side parts by which a channel type molten metal passage is formed by arranging a plurality of the blocks in a row state, and the refractory block 10 has a structure in which a line f defining the molten metal passage in a cross section Sc vertically extending along the molten metal passage and at least a bottom part line e of an upstream side end face 11 form an obtuse angle D (>90°) and the upstream side end face 11 and an oppositely facing downstream side end face 12 of the neighboring other block are in a type symmetry.
    • 要解决的问题:提供一种用于形成熔融金属通道的耐火块,其解决了耐火砖之间的连接接头的侵蚀问题,并且提高了使用耐火砖构成的铁水槽或炉渣槽的耐久性。解决方案:有 设置有耐火块10,该耐火块10具有底部和两个侧面部分,通过排列多个块而形成通道型熔融金属通道,并且耐火块10具有其中定义 沿着熔融金属通道垂直延伸的横截面Sc和上游侧端面11的至少底部线e中的熔融金属通道形成钝角D(> 90°)和上游侧端面11和 相邻另一块的相对面向下游侧端面12处于类型对称。
    • 3. 发明专利
    • Impeller for stirring molten metal
    • 用于刺激金属的叶轮
    • JP2011184762A
    • 2011-09-22
    • JP2010052721
    • 2010-03-10
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • YANAGI KENJI
    • C21C1/02
    • PROBLEM TO BE SOLVED: To provide an impeller in which fall-out of a refractory at the lower outer edge part of a blade part is suppressed. SOLUTION: The impeller has the structure which includes a shaft part 1 a core metal 12 of which is covered with refractories 1b, 2c, and a blade part 2 and studs 3 extended from the core metal 12 to the lower outer edge part 2b of the blade part 2. Further, the stud 3 is formed such that the tip-end part is Y-shaped or V-shaped. Furthermore, the core metal 12 is provided with a shaft core metal 1a buried in the shaft part 1 and a blade core metal 2a buried in the blade part 2 extended from the lower end part of the shaft core metal 1a to the side-way direction, and the stud 3 is extended from the blace core metal 2a to the lower part and the outer part of the blade core metal 2a. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种叶片,其中抑制了叶片部分的下外缘部处的耐火材料的脱落。 解决方案:叶轮具有包括轴部1的结构,芯部1的芯金属12被耐火材料1b,2c覆盖,叶片部分2和从芯部金属12延伸到下部外边缘部分的螺柱3 此外,螺柱3形成为使得前端部为Y形或V形。 此外,芯金属12设置有埋置在轴部1中的轴芯金属1a和埋入从轴芯金属1a的下端延伸到叶片部2的叶片芯金属2a到侧向方向 并且螺柱3从起泡芯金属2a延伸到叶片芯金属2a的下部和外部。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Trough for molten iron and/or slag
    • 适用于铁和/或滑块
    • JP2011144405A
    • 2011-07-28
    • JP2010004576
    • 2010-01-13
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • FURUSAWA EIJIYANAGI KENJI
    • C21B7/14
    • PROBLEM TO BE SOLVED: To provide a tough for molten iron and/or slag, which can further improve its durability and extend its life.
      SOLUTION: The tough 1 for molten iron and/or slag is directed for passing the molten iron and/or the slag therein tapped out from a blast furnace, and includes: a refractory layer 23 having an excurrent groove passage 20 which has a groove shape and passes the molten iron and/or the slag therein, and having a discharge port 21 which is provided in a downstream side of the excurrent groove passage 20; and a shaped brick portion 3 which is embedded in a backside of the downstream area of the excurrent groove passage 20 out of the refractory layer 23 and contains silicon carbide as a principal component. In the shaped brick portion 3, the downstream end face 31 in the direction along which the molten pig iron flows through the excurrent groove passage 20 is exposed to an external part A.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为铁水和/或炉渣提供坚韧性,可进一步提高其耐用性并延长其使用寿命。 解决方案:用于铁水和/或炉渣的坚韧性用于使来自鼓风炉的铁水和/或炉渣通过,包括:耐火材料层23,其具有外部槽通道20,其具有 沟槽形状并使铁水和/或炉渣通过,并且具有设置在排出槽通道20的下游侧的排出口21; 以及成形的砖部3,其从耐火层23嵌入在外部通路沟槽20的下游区域的后侧,并且包含碳化硅作为主要成分。 在成形砖部分3中,沿着熔融生铁流过外部通道20的方向的下游端面31暴露于外部部分A.版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Lance pipe
    • LANCE PIPE
    • JP2011017529A
    • 2011-01-27
    • JP2010188342
    • 2010-08-25
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • FUKUDA TOMOMIYANAGI KENJIMATSUSHIMA TAKAAKI
    • F27D3/18C21C1/02C21C1/04C21C7/072
    • PROBLEM TO BE SOLVED: To provide a lance pipe having a curved part of a core metal, in which the core metal is hardly worn even when a solid molten metal treatment agent such as powder is introduced, and which can be easily manufactured.SOLUTION: The lance pipe 1 for supplying the solid molten metal treatment agent to molten metal includes the cylindrical core metal 10 made of metal, and a refractory layer 20 covering the outer circumferential surface of the core metal. The core metal includes a straight pipe part 11 linearly extended from an inlet port 21 for introducing the molten metal treatment agent and a curved pipe part 12 extended from the straight pipe part in a curved shape. The line pipe 1 includes one or more metallic protruding pieces P protruding from the inner circumferential surface on the side corresponding to the outside relative to the curve of the curved pipe part in the inner circumferential surface of the straight pipe part and the curved pipe part of the metal core in a height of 1/20-1/2 of the inside diameter of the core metal.
    • 要解决的问题:提供一种具有芯金属的弯曲部分的喷枪管,其中即使引入固体熔融金属处理剂如粉末,芯金属几乎不磨损,并且可以容易地制造。解决方案: 用于向熔融金属供应固体熔融金属处理剂的喷枪管1包括由金属制成的圆筒形芯金属10和覆盖芯金属的外圆周表面的耐火层20。 芯金属包括从用于引入熔融金属处理剂的入口21线性延伸的直管部分11和从直管部分弯曲形成的弯曲管部分12。 管线管1包括一个或多个金属突出片P,该金属突出片P从直管部分的内圆周表面中相对于弯曲管部分的曲线相对于外侧的内圆周表面突出,并且弯曲管部分 金属芯的高度为核心金属内径的1 / 20-1 / 2。
    • 6. 发明专利
    • Lance pipe
    • LANCE PIPE
    • JP2010159460A
    • 2010-07-22
    • JP2009002701
    • 2009-01-08
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • ARAMAKI KEIZOSOEDA TOMOMIYANAGI KENJIMATSUSHIMA TAKAAKIGOTO TOMOHIKOTERADO SHINYA
    • C21C7/072C21C1/02F27D3/16
    • PROBLEM TO BE SOLVED: To provide a lance pipe supplying gas into molten metal, in which erosion and deformation of a core metal caused by high temperature molten metal and clogging of the core metal caused by the solidified molten metal hardly occur.
      SOLUTION: The lance pipe 1 includes a metal-made cylindrical core metal 10 and a coating refractory layer 5 for coating the outer circumferential surface of the core metal, and supplies the gas into the molten metal through flow passages 21, 22 disposed inside the core metal, wherein a porous refractory layer 6 is connected to the end part of the core metal 12(10) at the side to be immersed into the molten metal.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种向熔融金属供应气体的喷枪管,其中几乎不发生由熔融金属熔化引起的芯金的侵蚀和变形以及由固化的熔融金属引起的芯体金属的堵塞。 解决方案:喷枪管1包括金属制的圆柱形芯金属10和用于涂覆芯金属的外圆周表面的涂层耐火层5,并且通过设置的流动通道21,22将气体供应到熔融金属中 在芯金属内部,其中多孔耐火层6在待浸入熔融金属的一侧连接到芯金属12(10)的端部。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Refractory block for forming molten metal passage
    • 用于形成金属通道的耐火块
    • JP2014077168A
    • 2014-05-01
    • JP2012225069
    • 2012-10-10
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • FURUSAWA EIJIYANAGI KENJI
    • C21B7/14F27D1/04F27D3/14
    • PROBLEM TO BE SOLVED: To provide a refractory block for a forming molten metal passage that solves the problem of erosion of a connecting joint between refractory blocks and that improves the durability of a molten metal passage (molten iron trough or slag trough) constituted by using refractory blocks.SOLUTION: In refractory blocks 10b, 10b, and so on having a bottom part and both side parts in which a channel type molten metal passage is formed by arranging the plurality of blocks in a column state, each refractory block 10b is constituted of two or more of sub-blocks 101b and 102b, or sub-blocks 103b and 104b, that are divided into a plurality to left sides and right sides with respect to the direction of molten metal flowing through the molten metal passage and in which case a dividing position of the sub-blocks is determined such that connecting faces between the respective sub-blocks do not align in a straight line among the refractory blocks 10b, 10b, and so on, which are arranged adjacently in series, and occupy discontinuous positions.
    • 要解决的问题:为了提供一种用于形成熔融金属通道的耐火块,其解决了耐火块之间的连接接头的侵蚀问题,并且提高了由使用的熔融金属通道(铁水槽或渣槽)的耐久性 耐火砖。解决方案:在耐火块10b,10b等具有底部和两个侧面部分,其中通过将多个块布置成柱状而形成通道型熔融金属通道,每个耐火块10b构成 分别相对于流过熔融金属通道的熔融金属的方向被分成多个左侧和右侧的两个或多个子块101b和102b或子块103b和104b,在这种情况下 确定子块的分割位置,使得各个子块之间的连接面不在耐火块10b,10b等之间的直线上排列, 相继排列,占据不连续的位置。
    • 8. 发明专利
    • Lance for blowing gas
    • 吹气的道路
    • JP2011241444A
    • 2011-12-01
    • JP2010114383
    • 2010-05-18
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • YANAGI KENJI
    • C21C7/072F27D3/16
    • PROBLEM TO BE SOLVED: To provide a lance for blowing gas in which the durability and the longevity can furthermore be obtained.SOLUTION: This lance for blowing the gas, is provided with a core-body 2 extended in the longitudinal direction and refractory layer 3 covered on the core-body 2 and dipped in or approached to the molten metal M. The core-body 2 has an inclining part 2r to direct to the center-axial line P3 as the part 2r advances toward the first gas blowing-out hole 41, on the cross-sectional surface along the center-axial line P3 of the first gas passage 4 in the core-body 2. In at least one side of the inclining part 2r and the wall part faced to the inclining part 2r through the center-axial line, there are provided projecting parts 8F projected to the diameter-inner part of the first gas passage 4.
    • 要解决的问题:提供一种用于吹送气体的喷枪,其中可以获得耐久性和寿命。 解决方案:用于吹送气体的喷枪设置有沿长度方向延伸的芯体2和覆盖在芯体2上并浸入或靠近熔融金属M的耐火层3。 主体2在第一气体通道4的中心轴线P3的截面上具有随着部分2r向第一气体吹出孔41前进而引导到中心轴线P3的倾斜部分2r 在芯体2中。在倾斜部分2r的至少一侧和通过中心轴线与倾斜部分2r相对的壁部分中,设置有突出部8F,其突出到第一 气体通道4.版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Gas-blowing lance
    • 气体开放
    • JP2011190488A
    • 2011-09-29
    • JP2010056104
    • 2010-03-12
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • YANAGI KENJI
    • C21C7/072B22D1/00B22D11/10F27D3/16
    • PROBLEM TO BE SOLVED: To provide a gas-blowing lance with which the durability and the long service life at the curving part in a core body can further be obtained. SOLUTION: The gas-blowing lance is provided with the core body 2 extending to the longitudinal direction and a refractory layer 3 covered on the core body and dipped or approached to molten metal M. At least curving parts 510, 610 of the core body 2 are provided with an inner pipe 51 and an outer pipe 52 set so as to cover the inner pipe 51 at the outer peripheral side of the inner pipe 51. In a gap between the inner pipe 51 and the outer pipe 52, a spacer member 9 forming the gap 6p for passing through the gas or for insulating the heat is arranged in the curving parts 510, 610. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种可以进一步获得耐久性和在芯体中的弯曲部分的使用寿命长的鼓风喷枪。 解决方案:气体喷枪设置有沿着纵向方向延伸的芯体2和覆盖在芯体上的耐火层3,并且浸入或靠近熔融金属M.至少弯曲部分510,610 芯体2设置有内管51和外管52,外管52设置成覆盖内管51的外周侧的内管51.在内管51和外管52之间的间隙中, 形成用于通过气体或绝热的间隙6p的间隔件9布置在弯曲部分510,610中。(C)2011年,JPO和INPIT