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    • 2. 发明专利
    • Method for producing iron ore pellet
    • 生产铁矿石颗粒的方法
    • JP2010024477A
    • 2010-02-04
    • JP2008185045
    • 2008-07-16
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MAKI GOJIHASEGAWA NOBUHIROIWASAKI NOBUYUKISAKAMOTO MITSURU
    • C22B1/216C22B1/16
    • C22B1/205C22B1/2413F27B21/06
    • PROBLEM TO BE SOLVED: To provide a method for producing pellet with which in a grate-kiln type pellet producing apparatus, the development of bursting in a preheating chamber of a grate-furnace can surely be prevented.
      SOLUTION: In an upper space of the preheating chamber 5, the actual operational conditions (for example, at least one among the firing amount of a water-separating chamber burner 31, the firing amount of a preheating chamber burner 21, the grate-moving speed and the pellet layer thickness) are adjusted, so that the temperature difference ΔT=T
      2 -T
      1 between the atmospheric temperature T
      2 measured with a preheating chamber inlet thermometer 43 separately arranged at the inlet part of the preheating chamber 5 excepting from a preheating chamber thermometer 44 for measuring the atmospheric temperature in the preheating chamber and the gas temperature T
      1 measured with a fire-grate thermometer 42 at the outlet of the water-separating chamber arranged just below the grate 2 at the outlet part of the water-separating chamber 4 becomes smaller than the permissible temperature difference ΔT
      max preset based on the past operational result.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决问题的方案为了提供一种生产颗粒的方法,在炉窑式颗粒制造装置中,可以确实地防止在炉膛的预热室中破裂的发展。 解决方案:在预热室5的上部空间中,实际操作条件(例如,分水室燃烧器31的燃烧量,预热室燃烧器21的燃烧量, 调整格栅移动速度和颗粒层厚度),使得在大气温度T 2 之间的温度差ΔT= T 2 SB',其分别设置在预热室5的入口部分,除了用于测量预热室中的大气温度的预热室温度计44和气体温度T SB <1>之外, 在水分离室4的出口处布置在格栅2正下方的分水室的出口处用火炬温度计42测量,变得小于允许的温度差ΔT 根据过去的运行结果进行预设。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Method of producing sintered ore
    • 生产烧结矿的方法
    • JP2005194616A
    • 2005-07-21
    • JP2004042966
    • 2004-02-19
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MATSUMURA TOSHIHIDEOKATA TOSHIHITOYAMAGATA HITOAKIMAKI GOJIANO KOJISHIBUTA KATSUHIKO
    • C22B1/16
    • PROBLEM TO BE SOLVED: To provide a method of producing sintered ore where productivity and the yield of products are not reduced even when maramanba ore of high crystallization water and low gangue containing much fine powder is used as the raw material for sintered ore.
      SOLUTION: The sintered ore is produced by blending maramanba ore containing, by mass, ≥3.0% crystallization water, ≤4.0% SiO
      2 , and ≥20% fine powder with a particle diameter of ≤0.25 mm with ore having a specific surface area of ≥3 m
      2 /g, and in which the relation between the ratio A
      1 (mass%) of particles with a particle diameter of 3 to 2 (mass%) of particles with a particle diameter of 5 to 1 +0.033A
      2
    • 待解决的问题:为了提供一种生产和产率不降低的烧结矿的方法,即使使用高结晶水和含有很多细粉末的低ang石的马拉姆巴矿作为烧结矿的原料 。 解决方案:烧结矿是通过混合含有≥3.0%结晶水,≤4.0%SiO 2 和≥20%粒径为≤20%的细粉的马拉曼巴矿石 0.25mm,具有比表面积≥3m 2 / g的矿石,其中颗粒与颗粒之比A 1 (质量%)之间的关系 粒径为5〜10mm的粒子的比例A 2 (质量%)满足以下不等式(1):13.2-0.014×A 1 + 0.033A 2 <14.5,以形成共混物,并将混合物与高速搅拌器混合并造粒,然后烧结。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Method for producing reduced iron using wet dust of blast furnace and method for producing crude zinc oxide
    • 使用硫酸锌粉末生产减少铁的方法和生产氧化锌的方法
    • JP2003293020A
    • 2003-10-15
    • JP2002101667
    • 2002-04-03
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MAKI GOJIMATSUI YOSHIYUKISUGIYAMA TAKESHIHARADA TAKAOTETSUMOTO MASAHIKOTAMAZAWA HIROSHI
    • C22B1/16C21B13/10C22B19/34
    • PROBLEM TO BE SOLVED: To provide a method for producing a reduced iron with which the collapse and the powdering of a pellet in the heating furnace is produced and the product reduced iron having high dezincificating rate and high metallizing rate can be produced at a high yield when the pellet containing wet dust of blast furnace is heated and reduced in the heating furnace to obtain the reduced iron. SOLUTION: The additional ratio of the other powdery raw material containing iron oxide and/or carbon into the wet dust of the blast furnace, is adjusted and mixed raw material is prepared so that an excessive carbon rate SC satisfies the formula: Sc≤8-2NL+0.02YD. Wherein, SC=XC-(12/16)XO, NL: average number of layers of the pellet laid on the furnace hearth, YD =100XC'B/XC. Then, XC: mass% of carbon in the pellet, XO: total mass% of oxygen in the iron oxide and zinc oxide in the pellet, XC'B: mass% of carbon contained in the other powdery raw material in the pellet. COPYRIGHT: (C)2004,JPO
    • 解决问题的方案:提供一种还原铁的制造方法,在该方法中,制造在加热炉中产生塌陷和粉碎的还原铁,并且可以生产具有高脱氮速率和高金属化速率的产品还原铁 当在加热炉中加热和还原含有高炉的湿粉尘的颗粒以获得还原铁时,产率高。

      解决方案:调整含有氧化铁和/或碳的其它粉末原料与高炉湿粉的附加比例,制备混合原料,使得过量碳速率SC满足下式:Sc ≤8-2NL+ 0.02YD。 其中,SC = XC-(12/16)XO,NL:放置在炉底上的平均颗粒层数,YD = 100XC'B / XC。 然后,XC:颗粒中碳的质量%,XO:颗粒中氧化铁和氧化锌中的氧的总质量%,XC'B:颗粒中另一种粉末原料中所含的碳的质量%。 版权所有(C)2004,JPO

    • 7. 发明专利
    • Method for manufacturing sintered ore
    • 烧结炉的制造方法
    • JP2009114485A
    • 2009-05-28
    • JP2007286624
    • 2007-11-02
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MATSUMURA TOSHIHIDEMAKI GOJI
    • C22B1/16
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing sintered ore, wherein the yield and productivity of the sintered ore can be stably improved with certainty without changing the chemical components of the sintered ore influencing blast furnace operation.
      SOLUTION: Various fine ores to be blended as a raw material for sintering are classified, according to Al
      2 O
      3 content, into two series [(a high Al
      2 O
      3 content side)=(a first series)(A) and (a low Al
      2 O
      3 content side)=(a second series)(B)]. The respective classified fine ores of the series (A and B) are blended with CaO sources (4A and 4B) and powder fuels (7A and 7B), respectively. The respective blended materials of the series (A and B) are mixed/pelletized (8A and 8B), respectively. The respective pellets of these series are mixed (9) to prepare a whole raw material for sintering, and the whole raw material for sintering is fired (10) to obtain the sintered ore. The method for manufacturing the sintered ore is characterized in that: the basicity (mass ratio, CaO/SiO
      2 ) of a fine powder portion with a size of ≤0.5 mm in the blended material of the first series (A) ranges from 4.4 to 7.3; and the mixing ratio between the blended material (excluding returned ore and the powder fuel) of the first series (A) and the blended material (excluding the powder fuel) of the second series (B) ranges from 2:8 to 8:2 by mass ratio.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种制造烧结矿的方法,其中可以确定地稳定地提高烧结矿的产率和生产率,而不改变影响高炉操作的烧结矿的化学成分。

      解决方案:根据Al 2 O 3 含量,将作为烧结原料混合的各种细矿石分为两个系列[(高Al 内容物侧)=(第一系列)(A)和(低Al 2 3 3 >内容侧)=(第二系列)(B)]。 分别与CaO源(4A和4B)和粉末燃料(7A和7B)混合分别分列的系列(A和B)的分级细矿石。 将(A和B)系列的各自的混合材料分别混合/造粒(8A和8B)。 将这些系列的各个颗粒混合(9)以制备整个烧结原料,并将整个烧结原料烧制(10)以获得烧结矿石。 烧结矿的制造方法的特征在于:在第一系列的共混材料中,尺寸≤0.5mm的细粉末部分的碱度(质量比,CaO / SiO 2 SBS 2 ) (A)范围为4.4至7.3; 第一系列(A)的混合材料(不包括返回矿石和粉末燃料)与第二系列(B)的混合材料(不包括粉末燃料)之间的混合比例为2:8至8:2 质量比。 版权所有(C)2009,JPO&INPIT

    • 8. 发明专利
    • Method of measuring temperature of sintering raw material layer and temperature measurement structure
    • 烧结原料层温度测量方法及温度测量结构
    • JP2007271355A
    • 2007-10-18
    • JP2006095075
    • 2006-03-30
    • Kobe Steel Ltd株式会社神戸製鋼所
    • ANO KOJIMAKI GOJI
    • G01K1/14C22B1/20F27B21/14G01K13/10
    • PROBLEM TO BE SOLVED: To provide a method of measuring temperature of a sintering raw material layer and a temperature measurement structure capable of successively and precisely measuring the temperature profile at any position in a layer in a movement process of the sintering raw material layer itself.
      SOLUTION: In the method of measuring an in-layer temperature of the sintering raw material layer moving from the material supply-side to a product discharge side when manufacturing a sintered ore by sintering a sintering raw material by a sintering machine, a consumption type temperature measurement probe structure having a plurality of temperature measurement terminals in a height direction and connected to an external power supply is mounted on a flooring of a raw material supply-side of the sintering machine. The in-layer temperature of the sintering raw material layer is successively measured while burying the temperature measurement probe in the sintering raw material layer supplied and formed from the upside thereof and integrally moving it with the sintering raw material layer from the raw material supply side to the product discharge side.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种测量烧结原料层的温度和温度测量结构的方法,其能够连续且精确地测量烧结原料的运动过程中的层中的任何位置处的温度分布 层本身。 解决方案:在通过烧结机烧结烧结原料制造烧结矿时,测量从材料供给侧向产品排出侧移动的烧结原料层的层内温度的方法中, 消耗型温度测量探头结构安装在烧结机的原材料供给侧的地板上,其具有高度方向上的多个温度测量端子并连接到外部电源。 连续地测量烧结原料层的层内温度,同时将温度测量探针从其上方提供和形成的烧结原料层中埋入,并将其与原料供应侧的烧结原料层整体移动到 产品排放侧。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Pellet particle size control method
    • 颗粒粒度控制方法
    • JP2003275570A
    • 2003-09-30
    • JP2002076566
    • 2002-03-19
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MAKI GOJIWASA YASUHIRO
    • G01N15/02B01J2/00B01J2/14G06T1/00
    • PROBLEM TO BE SOLVED: To provide a pellet particle size control method capable of saving manpower and manufacturing raw pellets at a high yield by automatically and accurately measuring the particle size distribution of granulated pellets.
      SOLUTION: The upper ends of horizontally movably and/or inclination angle changeably provided inclined plates (S1, S2) are inserted into the falling flow of the granulated pellets, all or part of the pellets are made to flow down onto the inclined plates (S1, S2) and the flowing-down pellets are photographed by ITV cameras (C1, C2). The photographed image is processed in an image processor (A), the particle size distribution of the pellets is obtained and granulation conditions are corrected so as to bring the particle size distribution closer to a target particle size distribution.
      COPYRIGHT: (C)2003,JPO
    • 解决的问题:提供一种能够通过自动且精确地测定粒状粒子的粒度分布,能够高效率地节省人力和制造原料粒子的粒料粒度控制方法。 解决方案:可水平移动和/或倾斜角度可倾斜地设置的倾斜板(S1,S2)的上端插入造粒颗粒的下落流中,使全部或部分颗粒流下到倾斜的 板(S1,S2)和ITV照相机(C1,C2)拍摄流下的小球。 拍摄的图像在图像处理器(A)中进行处理,获得颗粒的粒度分布,并对造粒条件进行校正,使粒度分布更接近目标粒度分布。 版权所有(C)2003,JPO
    • 10. 发明专利
    • Method of manufacturing carbonaceous material-containing agglomerate
    • 含碳材料的制备方法
    • JP2010236081A
    • 2010-10-21
    • JP2009179557
    • 2009-07-31
    • Kobe Steel Ltd株式会社神戸製鋼所
    • TOYODA HITOSHIMAKI GOJIKASAI AKITOSHIBATA KOICHIRO
    • C22B1/244
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing carbonaceous material-containing agglomerate capable of reliably securing strength of a carbonaceous material-containing agglomerate without increasing energy consumption even in manufacturing equipment of an industrial scale. SOLUTION: Mixed raw material composed of powdery carbonaceous material A having softening fusion property and powdery iron-containing raw material B is granulated by a granulation machine 1 to prepare pellets C, the pellets C are heated at a temperature of 300°C or more and the maximum fluidity temperature + 50°C or less by means of a pellet heating device 2 and, thereafter, the heated pellets C is hot-formed to manufacture the carbonaceous material -containing agglomerate D. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种即使在工业规模的制造设备中也能够可靠地确保含碳质材料的附聚物的强度而不增加能量消耗的含碳质的附聚物的制造方法。 解决方案:由具有软化熔融性的粉状碳质材料A和含铁的原料B组成的混合原料通过造粒机1造粒以制备颗粒C,将颗粒C在300℃的温度下加热 以上,最大流动性温度+ 50℃以下,然后将加热的粒料C热成型,制造含碳质的附聚物D.权利要求(C )2011,JPO&INPIT