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    • 5. 发明专利
    • Evaluation method of blended iron ore for sintering
    • 用于烧结的混合铁矿石的评估方法
    • JP2010096592A
    • 2010-04-30
    • JP2008266569
    • 2008-10-15
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIOKA YUJIOKAZAKI JUNSAITO MOTOHARU
    • G01N33/24C22B1/16G01N5/04
    • PROBLEM TO BE SOLVED: To provide an evaluation method of blended iron ore for sintering for heightening a sintering property and a granulating property of a sintering raw material, when using as the sintering raw material, a large amount of Marramanba ore having a high content of Al
      2 O
      3 and including much fine powder below 0.25 mm blocking the granulating property, low phosphorous and high phosphorous Brockman ore, or blended ore including them.
      SOLUTION: Thermogravimetric determination of the iron ore is performed, and a kaolin amount is calculated from a weight reduction amount observed in a temperature range of 380-590°C in the thermogravimetric determination, and a gibbsite amount is calculated from an Al content determined from element analysis of the iron ore, and a goethite amount is calculated from a weight reduction amount observed in a temperature range of 110-380°C in the thermogravimetric determination, to thereby evaluate the sintering characteristic of the iron ore based on the calculated amounts.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供用于烧结的混合铁矿石的评价方法,以提高烧结原料的烧结性和造粒性,当使用烧结原料时,将大量具有 高含量的Al 2 3 ,并且包括低于0.25mm的细粉末阻止了造粒性能,低磷和高磷布鲁克曼矿石或包括它们的混合矿石。 解决方案:进行铁矿石的热重测定,并且在热重量测定中,在380-590℃的温度范围内观察到的重量减少量计算高岭土量,并且从Al计算三水铝石的量 由铁矿石的元素分析确定的含量,以及在热重量测定中,在110-380℃的温度范围内观察到的重量减少量计算出针铁矿的量,由此评价铁矿石的烧结特性 计算金额。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Method for manufacturing sintered ore
    • 烧结炉的制造方法
    • JP2005264310A
    • 2005-09-29
    • JP2004083141
    • 2004-03-22
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIOKA YUJIKANEHASHI KOJINISHIFUJI MASAYUKISAITO KOUJIOKAZAKI JUN
    • C22B1/16
    • PROBLEM TO BE SOLVED: To provide a method for preparing a raw material for sintering by which, in a sintering process where ore fines are pelletized/sintered to undergo agglomeration, the raw material for sintering can be formed into high-strength pseudo-pellets, productivity and product yield at sintering can be improved and sintered ore with excellent quality can be manufactured.
      SOLUTION: In the method for manufacturing the sintered ore, an iron-containing raw material composed mainly of iron ore, an auxiliary raw material and a carbonaceous material are mixed and the resultant mixture is pelletized with the addition of water and then the resultant pellets are charged into a sintering machine to undergo sintering. In the above method, sodium montmorillonite is mixed with the above iron-containing raw material of
    • 要解决的问题:提供一种烧结原料的制备方法,其中在细粉粒化/烧结以进行凝聚的烧结过程中,用于烧结的原料可以形成为高强度伪 可以提高烧结时的生产率和产品产量,并且可以制造具有优良品质的烧结矿。 解决方案:在烧结矿的制造方法中,将以铁矿石,辅助原料和碳质材料为主要成分的含铁原料混合,加入水使其成粒, 将所得颗粒装入烧结机中进行烧结。 在上述方法中,将钠蒙脱石与上述含有<1mm粒径的含铁原料混合,使得蒙脱石与含铁原料的质量比例为0.1〜5质量%。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Radiated infrared spectroscopic analysis method
    • 放射性红外光谱分析方法
    • JP2004251690A
    • 2004-09-09
    • JP2003040960
    • 2003-02-19
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIOKA YUJISAITO KOUJINISHIFUJI MASAYUKIKANEHASHI KOJI
    • G01N21/71G01N21/00
    • PROBLEM TO BE SOLVED: To provide a radiated infrared light spectroscopic analysis method for analyzing the structure of an organic compound, a polymer compound, an inorganic compound or the like adhering to a material substrate or the base material surface.
      SOLUTION: A radiated infrared light spectrophotometer is constituted of a sample heating device for heating the substrate or the base material having a measuring object adhering on its surface, a condensing optical system for guiding infrared light radiated from the heated measuring object into a spectroscope, the spectroscope for spectrally diffracting the condensed light, and a detector for detecting the spectrally diffracted light. This radiated infrared light spectroscopic analysis method is characterized by heating the substrate or the base material having the measuring object adhering on its surface and a substrate or a base material having no adhering measuring object respectively up to the same temperature, measuring each infrared light radiated at that time, and determining an infrared spectrum from the ratio between both values by using the spectrophotometer.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 解决的问题:提供一种用于分析附着在材料基板或基材表面上的有机化合物,高分子化合物,无机化合物等的结构的辐射红外光谱分析方法。 解决方案:辐射红外光分光光度计由用于加热衬底或具有粘附在其表面上的测量对象的基底材料的样品加热装置构成,用于将从加热的测量对象辐射的红外光引导到 分光镜,用于光谱衍射聚光的分光器,以及用于检测光谱衍射光的检测器。 该辐射红外光谱分析方法的特征在于,将具有附着在其表面上的测量对象的基底或基材和不具有粘附测量对象的基底或基材分别加热至相同的温度,测量辐射在 该时间,并且通过使用分光光度计从两个值之间的比率确定红外光谱。 版权所有(C)2004,JPO&NCIPI