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    • 12. 发明专利
    • Method for producing ashless coal
    • 生产无烟煤的方法
    • JP2005120185A
    • 2005-05-12
    • JP2003355421
    • 2003-10-15
    • Kobe Steel Ltd株式会社神戸製鋼所
    • OKUYAMA NORIYUKISHIGEHISA TAKUODEGUCHI TETSUYAKOMATSU NOBUYUKI
    • C10L5/00
    • PROBLEM TO BE SOLVED: To provide a method for producing ashless coal, comprising extracting coal with a solvent to obtain the solvent-soluble component and then separating the component to obtain the ashless coal, by which the solvent can more easily be recovered and recycled than by conventional methods.
      SOLUTION: This method for producing the ashless coal, comprising a process for mixing a solvent with coal to prepare the slurry, a process for heating the slurry at 300 to 420°C in the presence of an inert gas to extract a solvent-soluble coal component, a separation process for separating a solvent-insoluble coal component from the obtained slurry, a process for separating and recovering the solvent attached to the separated solvent-insoluble coal component, a process for recovering the solvent from the solvent-soluble coal component obtained by the above separation process to obtain the ashless coal, and a process for circulating the recovered solvent to the slurry-preparing process, is characterized by using a coal-originated oil having a boiling point range from a boiling point (selected from 180 to 200°C) to a boiling point (selected from 300 to 330°C) as the solvent in the slurry-preparing process.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提供一种生产无灰煤的方法,包括用溶剂萃取煤以获得溶剂可溶组分,然后分离组分以获得无灰煤,通过该煤无法回收溶剂 并比常规方法循环使用。 解决方案:用于生产无灰煤的方法,包括将溶剂与煤混合以制备浆料的方法,在惰性气体存在下在300至420℃下加热浆料以提取溶剂的方法 可溶性煤成分,用于从所得浆料中分离溶剂不溶性煤成分的分离方法,分离和回收附着在分离的溶剂不溶性煤成分上的溶剂的方法,从溶剂可溶性回收溶剂的方法 通过上述分离方法获得的煤成分以获得无灰煤,以及将回收溶剂循环至浆料制备方法的方法,其特征在于使用沸点范围为沸点范围(从 180至200℃)至沸点(选自300至330℃)作为浆料制备方法中的溶剂。 版权所有(C)2005,JPO&NCIPI
    • 15. 发明专利
    • Aging device for reducing natural heat generating property of upgraded low rank coal, and operating method of the same
    • 用于降低升级低排放煤的天然气发热性能的老化装置及其操作方法
    • JP2014152229A
    • 2014-08-25
    • JP2013022481
    • 2013-02-07
    • Kobe Steel Ltd株式会社神戸製鋼所
    • TADA TOSHIYAKOMATSU NOBUYUKIHAMAGUCHI MAKI
    • C10L9/06
    • PROBLEM TO BE SOLVED: To provide a technique capable of preventing upgraded low rank coal from absorbing moisture and generating heat after an aging process.SOLUTION: There is provided an aging device 100 for reducing natural heat generating property of upgraded brown coal, in which the aging device comprises: a treatment container 1 into which upgraded brown coal is filled; and an air blower 2 which supplies gas (gas for aging) containing oxygen to the treatment container 1. A control unit 4 of the aging device 100 is configured to adjust oxygen concentration in gas for aging, which is supplied to the treatment container 1, based on a detection value of an in-container thermometer 10 which detects temperature of the treatment container 1, and adjust humidity of gas for aging to prevent upgraded brown coal in the treatment container from being dried by temperature rise due to partial oxidation.
    • 要解决的问题:提供一种能够防止升级的低等级煤在老化过程之后吸收水分和产生热量的技术。解决方案:提供一种用于降低升级的褐煤的天然发热性能的老化装置100,其中 老化装置包括:处理容器1,其中填充有升级的褐煤; 以及向处理容器1供给含有氧的气体(老化用气体)的鼓风机2.老化装置100的控制单元4构成为调节供给到处理容器1的老化用气体中的氧浓度, 基于检测处理容器1的温度的容器内温度计10的检测值,并且调节用于老化的气体的湿度,以防止处理容器中的升高的褐煤被部分氧化引起的温度升高而干燥。
    • 16. 发明专利
    • Method of manufacturing raw material coal for manufacturing coke, method of manufacturing coke and method of manufacturing pig iron
    • 制造原料煤的制造方法,制造焦炭的方法和制造铁的方法
    • JP2014043583A
    • 2014-03-13
    • JP2013230298
    • 2013-11-06
    • Kobe Steel Ltd株式会社神戸製鋼所
    • HAMAGUCHI MAKIOKUYAMA NORIYUKIKOMATSU NOBUYUKI
    • C10B57/08C10B57/04
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing raw material coal for manufacturing coke, suitable for manufacturing high strength coke by blending with strongly caking coal.SOLUTION: A method of manufacturing raw material coal for manufacturing coke includes a process of heating mixed coal containing 1.0 pts.mass of ashless coal and 2.0 pts.mass to 20.0 pts.mass of bony coal having a carbon percentage content (d.a.f) of 78.0% to 88.0%, to or over a softening temperature of the ashless coal, and the mixed coal is obtained by mixing the ashless coal at smaller particle size than the bony coal. It is suitable to manufacture coke by blending 20 mass% or more of first raw material coal obtained by the manufacturing method and second raw material coal having the carbon percentage content (d.a.f) of 85.0% to 91.0% and the obtained coke are preferably used in a method of manufacturing pig iron.
    • 要解决的问题:提供一种制造焦炭原料煤的方法,适用于通过与强结块煤混合制造高强度焦炭。解决方案:制造焦炭原料煤的方法包括加热混煤的方法 含有1.0质点无灰煤和2.0质量度到20.0质量吨的碳含量(daf)为无碳煤的软化温度为78.0%〜88.0%的骨煤,混合 通过将比无骨煤更小的无灰煤混合获得煤。 通过混合20质量%以上的通过制造方法得到的第一原料煤和碳含量(daf)为85.0%〜91.0%的第二原料煤,适合制造焦炭,所得焦炭优选用于 一种制造生铁的方法。
    • 17. 发明专利
    • Method for producing carbon anode
    • 生产碳阳极的方法
    • JP2011157606A
    • 2011-08-18
    • JP2010021630
    • 2010-02-02
    • Kobe Steel LtdSumitomo Corp住友商事株式会社株式会社神戸製鋼所
    • HAMAGUCHI MAKIKOMATSU NOBUYUKIOKUYAMA NORIYUKIKOIDE JIROKANO TAKANORI
    • C25C3/12C01B31/02C04B35/52C10B57/04C10B57/08
    • C25C3/125C01B32/05C04B35/532C04B2235/422C04B2235/5427C04B2235/5472C04B2235/72C04B2235/726
    • PROBLEM TO BE SOLVED: To provide a method for producing a carbon anode in which calcined petroleum coke of low quality can be used for a raw material of the carbon electrode, and the carbon anode of small coefficient of thermal expansion and high quality is obtained. SOLUTION: The method for producing the carbon anode for aluminum refining includes an ashless coal producing step of producing an ashless coal which is improved coal by improving coal quality using solvent, a carbonizing step of forming ashless coal coke by carbonizing the ashless coal, a carbon material producing step of producing the carbon material by mixing the ashless coal coke with calcined petroleum coke obtained by calcining raw petroleum coke, and a carbon anode producing step of producing the carbon anode by heating the carbon material. In the carbon material producing step, grain parts having the grain size of ≥0.25 mm is constituted of the ashless coal coke and the calcined petroleum coke, and powder parts having the powder size of COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供一种生产碳阳极的方法,其中可以将低质量的煅烧石油焦炭用于碳电极的原料,并且具有小的热膨胀系数和高质量的碳阳极 获得。 解决方案:用于铝精炼的碳阳极的制造方法包括无灰煤的生产步骤,其通过使用溶剂提高煤质来生产改善煤的无灰煤;通过碳化无灰煤形成无灰煤焦炭的碳化步骤 通过将无灰煤焦炭与通过煅烧原料石油焦炭获得的煅烧石油焦混合来制造碳材料的碳材料制造步骤和通过加热碳材料制造碳阳极的碳负极制造步骤。 在碳材料制造工序中,粒径≥0.25mm的粒状部件由无灰煤焦炭和煅烧石油焦炭构成,粉末粒径<0.25mm的粉末部分由含有硫的煅烧石油焦炭构成 作为碳材料的粒度混合,≥2.0质量%。 版权所有(C)2011,JPO&INPIT
    • 19. 发明专利
    • Method for producing ashless coal
    • 生产无烟煤的方法
    • JP2009221340A
    • 2009-10-01
    • JP2008066815
    • 2008-03-14
    • Kobe Steel Ltd株式会社神戸製鋼所
    • SAKAI KOJIOKUYAMA NORIYUKIFURUYA ATSUSHIKOMATSU NOBUYUKI
    • C10L5/00
    • PROBLEM TO BE SOLVED: To provide a method for producing an ashless coal of very low ash content by removing by filtration even ash of especially small grain diameter contained in a liquid component containing an extracted coal component.
      SOLUTION: The method for producing an ashless coal comprises a slurry-heating process (S1) to treat by heat a slurry prepared by mixing coal and an aromatic solvent, a separation process (S2) to separate the thermally treated slurry in the slurry-heating process (S1) into a liquid component and a solid component, the first filtration process (S3) to filtrate the liquid component separated in the separation process (S2), the second filtration process (S4) to filtrate further the filtrate filtered in the first filtration process (S3), and an ashless coal-obtaining process (S5) to obtain an ashless coal by removing the aromatic solvent from the filtrate filtered in the second filtration process (S4), wherein, a temperature of a filtrate filtered in the second filtration process (S4) is lower than the temperature of the liquid component filtered in the first filtration process (S3).
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种通过过滤除去包含含有提取的煤成分的液体成分中的特别小的粒径的灰分的方法来生产具有非常低灰分含量的无灰煤的方法。 解决方案:生产无灰煤的方法包括浆料加热方法(S1),通过加热处理通过混合煤和芳族溶剂制备的浆料,分离方法(S2)以将热处理浆料分离在 浆液加热工序(S1)成为液态成分和固体成分,第一过滤工序(S3)过滤分离工序(S2)中分离的液体成分,第二过滤工序(S4)进一步滤滤滤液 在第一过滤方法(S3)和无灰煤获得方法(S5)中,通过从在第二过滤方法(S4)中过滤的滤液中除去芳族溶剂来获得无灰煤,其中过滤滤液的温度 在第二过滤处理(S4)中,低于在第一过滤处理(S3)中过滤的液体成分的温度。 版权所有(C)2010,JPO&INPIT