利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

15 条记录 (耗时 0.035 秒)

    Centrifugal cast roll shell material
    1.
    发明授权
    Centrifugal cast roll shell material 失效
    离心铸辊外壳材质

    公开(公告)号：US5738734A

    公开(公告)日：1998-04-14

    申请号：US737070

    申请日：1996-10-29

    申请人： Yoshitaka Sawa ,  Tomoya Koseki ,  Kenji Ichino

    发明人： Yoshitaka Sawa ,  Tomoya Koseki ,  Kenji Ichino

    IPC分类号： B21B27/00 ,  B22D13/02 ,  C22C37/00 ,  C22C37/06 ,  C22C37/08 ,  C22C38/36

    CPC分类号： C22C37/06 ,  B21B27/00

    摘要： A centrifugal cast roll shell material composed of a granular MC carbide, graphite and C: 2.5 to 4.7%, Si: 0.8 to 3.2%, Mn: 0.1 to 2.0%, Cr: 0.4 to 1.9%, Mo: 0.6 to 5%, V: 3.0 to 10.0% and Nb: 0.6 to 7.0%, satisfying the following formulae (1), (2), (3) and (4): 2.0+0.715 V+0.10 Nb.ltoreq.C (%) (1) 1.1.ltoreq.Mo/Cr (2) Nb/V.ltoreq.0.8 (3) 0.2.ltoreq.Nb/V (4), the remainder being Fe and inevitable impurities, wherein the pouring temperature is 1,400.degree. C. or higher.

    摘要翻译： PCT No.PCT / JP96 / 00544 Sec。 371日期1996年10月29日第 102（e）日期1996年10月29日PCT 1996年3月6日PCT公布。 公开号WO96 / 27688 日期1996年9月12日由粒状MC碳化物，石墨和C：2.5〜4.7％，Si：0.8〜3.2％，Mn：0.1〜2.0％，Cr：0.4〜1.9％，Mo： 0.6〜5％，V：3.0〜10.0％，Nb：0.6〜7.0％，满足下式（1），（2），（3）和（4）：2.0 + 0.715 V + 0.10 Nb < （％）（1）1.1

    Method of manufacturing roll for hot rolling
    2.
    发明授权
    Method of manufacturing roll for hot rolling 失效
    制造轧制辊的方法

    公开(公告)号：US5839495A

    公开(公告)日：1998-11-24

    申请号：US932691

    申请日：1997-09-18

    申请人： Kenji Ichino ,  Tomoya Koseki ,  Yoshitaka Sawa

    发明人： Kenji Ichino ,  Tomoya Koseki ,  Yoshitaka Sawa

    IPC分类号： B21B27/00 ,  B22D19/16 ,  B32B15/01 ,  C22C37/00 ,  C22C37/06 ,  C22C37/10 ,  B23P15/00

    CPC分类号： B32B15/011 ,  B21B27/00 ,  B22D19/16 ,  C22C37/06 ,  Y10T29/49563

    摘要： A roll outer layer material for hot rolling includes, as analyzed in weight percent, of 2.5-4.0% C, 6.0-20% Cr, 3.0-10.0% V, 0.6-5.0% Nb, 2.0-15% Mo, 3.0% or below Si, 3.0% or below Mn, C, V, Nb and Cr satisfying a following formula (1), 10.5(%).ltoreq.6.5.C(%)-1.3.V(%)-0.7.Nb(%).ltoreq.2.Cr(%)-2(%)(1) , and the balance being Fe and incidental impurities. A method of manufacturing a roll for hot rolling includes the steps of centrifugally casting an outer layer material having the above composition, centrifugally casting graphite steel containing 0.5% or above of C as an intermediate layer, and casting an axis material which is a spheroidal graphite cast iron, a flake graphite cast iron or a graphite steel. C is present in the intermediate layer in an amount which satisfies a following formula (2), C (intermediate layer).gtoreq.2.0-0.5 (C-0.2 V-0.11 Nb)(outer layer)(2)

    摘要翻译： 用于热轧的辊外层材料包括如重量百分比为2.5-4.0％C，6.0-20％Cr，3.0-10.0％V，0.6-5.0％Nb，2.0-15％Mo，3.0％或 低于Si，3.0％以下的Mn，C，V，Nb和Cr满足下​​式（1），10.5（％）≤6.5.C（％）-1.3.V（％）-0.7。Nb（％ ） / = 2.0-0.5（C-0.2V-0.11 Nb）（外层）（2）的量存在于中间层中。

    Roll outer layer material for hot rolling and method of manufacturing roll for hot rolling
    3.
    发明授权
    Roll outer layer material for hot rolling and method of manufacturing roll for hot rolling 失效
    轧制热轧用外层材料及制造轧制方法

    公开(公告)号：US5674171A

    公开(公告)日：1997-10-07

    申请号：US494971

    申请日：1995-06-26

    申请人： Kenji Ichino ,  Tomoya Koseki ,  Yoshitaka Sawa

    发明人： Kenji Ichino ,  Tomoya Koseki ,  Yoshitaka Sawa

    IPC分类号： B21B27/00 ,  B22D19/16 ,  B32B15/01 ,  C22C37/00 ,  C22C37/06 ,  C22C37/10 ,  C22C38/36

    CPC分类号： B32B15/011 ,  B21B27/00 ,  B22D19/16 ,  C22C37/06 ,  Y10T29/49563

    摘要： A roll outer layer material for hot rolling consists essentially, as analyzed in weight percent, of 2.5-4.0% C, 6.0-20% Cr, 3.0-10.0% V, 0.6-5.0% Nb, 2.0-15% Mo, 3.0% or below Si, 3.0% or below Mn, C, V, Nb and Cr satisfying a formula where 10.5.ltoreq.6.5.C(%)--1.3.V(%)--0.7.Nb(%).ltoreq.2.Cr(%)--2, and the balance being Fe and incidental impurities. A method of manufacturing a roll for hot rolling comprises the steps of centrifugally casting an outer layer material having the above composition, centrifugally casting graphite steel containing 0.5% or above of C as an intermediate layer, and casting an axis material which is a spheroidal graphite cast iron, a flake graphite cast iron or a graphite steel. Carbon is present in the intermediate layer in an amount which satisfies a formula, C (intermediate layer).gtoreq.2.0-0.5�C(%)--0.2.V(%)--0.11.Nb(%)! (outer layer).

    摘要翻译： 用于热轧的辊外层材料基本上按重量百分比分析为2.5-4.0％C，6.0-20％Cr，3.0-10.0％V，0.6-5.0％Nb，2.0-15％Mo，3.0％ 或低于Si，3.0％以下的Mn，C，V，Nb和Cr满足下​​式：其中10.5 / = 2.0-0.5 [C（％）-0.2.V（％） - 0.11.Nb（％）]（外层）的量存在于中间层中， 。

    Method and apparatus for charging raw and carbonaceous materials into a moving hearth furnace
    6.
    发明授权
    Method and apparatus for charging raw and carbonaceous materials into a moving hearth furnace 失效

    公开(公告)号：US06629839B2

    公开(公告)日：2003-10-07

    申请号：US09917106

    申请日：2001-07-27

    申请人： Tatsuya Ozawa ,  Tetsuya Yamamoto ,  Yoshitaka Sawa

    发明人： Tatsuya Ozawa ,  Tetsuya Yamamoto ,  Yoshitaka Sawa

    IPC分类号： F27B916

    CPC分类号： C21B13/10

    摘要： The invention provides a method and apparatus for charging a raw material and a carbonaceous material, in which a reduced product generated on a hearth can be quickly melted for reliable separation into a metal and slag, and the metal and the slag can be easily discharged out of a furnace as individual small agglomerates. With the charging method and apparatus, when charging the raw material and the carbonaceous material onto the moving hearth of the moving hearth furnace, the carbonaceous material is first charged onto the moving hearth to form a carbonaceous material layer thereon. The raw material or a mixture of the raw material and a carbonaceous material is then charged onto the carbonaceous material layer to form a raw material layer thereon. A projection is then pressed against the raw material layer from above, thereby forming a plurality of recesses in the surface of the carbonaceous material layer.

    Rotary hearth furnace for reducing oxides, and method of operating the furnace
    7.
    发明授权
    Rotary hearth furnace for reducing oxides, and method of operating the furnace 有权
    用于还原氧化物的旋转炉底炉和操作炉的方法

    公开(公告)号：US06270552B1

    公开(公告)日：2001-08-07

    申请号：US09308869

    申请日：1999-05-26

    申请人： Kanji Takeda ,  Yoshitaka Sawa ,  Tetsuya Yamamoto ,  Tetsuya Kikui

    发明人： Kanji Takeda ,  Yoshitaka Sawa ,  Tetsuya Yamamoto ,  Tetsuya Kikui

    IPC分类号： C21B1100

    CPC分类号： C21B5/026 ,  C21B13/10 ,  C21B13/105 ,  Y02P10/136

    摘要： Traveling hearth furnace and an operating method thereof, which, when stacking a layer consisting of a mixture of oxides such as fine iron ore and a fine solid reducing material onto a horizontally traveling hearth and reducing the oxides through radiant heat transfer from above the hearth, is based on melting the reduction product in the course of up to a discharge port, and causing aggregation and separation of slag in from the reduction product, followed by solidifying the reducible material.

    摘要翻译： 行走式炉床及其操作方法，当将由细铁矿石和细小的固体还原材料的氧化物的混合物组成的层层叠到水平行进的炉床上并通过从炉床上方的辐射热传递来还原氧化物时， 是基于将还原产物在直到排出口的过程中熔化，并使渣从还原产物中聚集和分离，然后固化可还原材料。

    Method of reducing iron oxide on a movable hearth furnace
    8.
    发明授权
    Method of reducing iron oxide on a movable hearth furnace 失效
    在可移动炉床炉上还原氧化铁的方法

    公开(公告)号：US06248152B1

    公开(公告)日：2001-06-19

    申请号：US09319002

    申请日：1999-05-27

    申请人： Kanji Takeda ,  Yoshitaka Sawa

    发明人： Kanji Takeda ,  Yoshitaka Sawa

    IPC分类号： C21B1308

    CPC分类号： C21B13/10 ,  C21B13/0053 ,  C21B13/105 ,  Y02P10/136

    摘要： With a solid fine reducing material containing hydrogen placed as a lower layer on a movable hearth, a powdered mixture of an oxide powder dominantly of a fine iron ore and a solid fine reducing material is stacked in layered arrangement, and subsequent reduction operation is performed.

    摘要翻译： 在活性炉床上含有作为下层置换的氢的固体精细还原材料的情况下，分层排列堆叠主要为细铁矿石的氧化物粉末和固体精细还原材料的粉末状混合物，进行后续的还原操作。

    Method of producing a reduced metal, and traveling hearth furnace for producing same
    9.
    发明授权
    Method of producing a reduced metal, and traveling hearth furnace for producing same 有权
    还原金属的制造方法以及用于制造其的行进式炉床

    公开(公告)号：US06126718A

    公开(公告)日：2000-10-03

    申请号：US280326

    申请日：1999-03-29

    申请人： Yoshitaka Sawa ,  Tetsuya Yamamoto ,  Kanji Takeda ,  Hiroshi Itaya

    发明人： Yoshitaka Sawa ,  Tetsuya Yamamoto ,  Kanji Takeda ,  Hiroshi Itaya

    IPC分类号： F27B9/16 ,  C21B13/10 ,  C21B11/08

    CPC分类号： C21B13/105 ,  C21B13/10 ,  Y02P10/136 ,  Y02P10/216

    摘要： Producing reduced metal by charging and stacking a raw material containing a metal-containing material and a solid reducing material on a horizontally moving hearth of a traveling hearth furnace, by disposing a solid reducing material layer on the hearth, forming concave portions at the solid reducing material surface, stacking the raw material on the surface of the solid reducing material layer, reducing raw material by at least once heating and melting the material on the hearth to separate metal and gangue and ash ingredients, and discharging metal from the hearth.

    摘要翻译： 通过在行走式炉床炉的水平移动的炉床上装入含有含金属的材料和固体还原材料的原料并且在炉床上设置固体还原材料层来形成还原金属，在固体还原 材料表面，将原料堆叠在固体还原材料层的表面上，通过至少一次加热和熔化炉床上的材料来还原原料，以分离金属和g石和灰份成分，并从炉床排出金属。