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    • 62. 发明专利
    • Method for producing coke
    • 生产焦糖的方法
    • JP2007077254A
    • 2007-03-29
    • JP2005266323
    • 2005-09-14
    • Jfe Steel KkJfeスチール株式会社
    • FUKADA KIYOSHISHIMOYAMA IZUMIANYASHIKI TAKASHIFUJIMOTO HIDEKAZUYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B57/04C10B57/08
    • PROBLEM TO BE SOLVED: To provide high-quality coke having high strength and a large particle diameter, and to provide a method for producing the coke, capable of producing the coke at a low cost. SOLUTION: This method for producing the coke comprises conducting blend treatment according to a ratio of coal particles composed of two or more kinds of textures different from each other, when the coke is produced by pulverizing blended coal which is a blend of two or more kinds of coal and then carbonizing the pulverized coal. The coal is preferably blended in such a manner that the ratio of the coal particles composed of two or more kinds of the textures different from each other is not more than 15 vol% of the blended coal. Further, at least a part of the coal comprising such a kind that the ratio of the particles composed of two or more kinds of the textures is high is preferably charged into a coke oven, after treated by a classification process for classifying the coal into coal having a large particle size and coal having a small particle diameter, a first pulverization process for pulverizing the coal having the large particle size, a blend process for blending the coal treated in the first pulverization process with the coal having the small particle size and a residual part of the coal, and a second pulverization process for pulverizing the blended coal. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有高强度和大粒径的高品质焦炭,并提供能够以低成本生产焦炭的焦炭生产方法。 解决方案:该焦炭的制造方法包括通过将两种以上不同的两种或多种纹理组成的煤粒子的比例进行共混处理,当通过粉碎混合的二氧化碳 或多种煤,然后对粉煤进行碳化。 煤优选以使得由两种或更多种彼此不同的纹理构成的煤粒子的比例不超过混合煤的15体积%的方式混合。 此外,至少一部分煤包含由两种或多种纹理组成的颗粒的比例高的种类,优选在通过用于将煤分类成煤的分级处理进行处理之后,将其装入焦炉中 具有大粒径的粒子和具有小粒径的煤的粉末,用于粉碎具有大粒径的煤的第一粉碎工艺,将在第一粉碎过程中处理的煤与具有小粒径的煤混合的共混方法和 煤的残留部分和用于粉碎混合煤的第二粉碎过程。 版权所有(C)2007,JPO&INPIT
    • 63. 发明专利
    • Method of manufacturing cokes
    • 制造焦糖的方法
    • JP2006307010A
    • 2006-11-09
    • JP2005131427
    • 2005-04-28
    • Jfe Steel KkJfeスチール株式会社
    • FUJIMOTO HIDEKAZUSHIMOYAMA IZUMIANYASHIKI TAKASHIFUKADA KIYOSHIYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B57/08
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing cokes in which the bulk density of cokes can be set freely at either high or low when injecting coals to a coke oven without lowering the strength of coals and the bulk density of cokes can be adjusted according to operational conditions of the coke oven.
      SOLUTION: The method of manufacturing cokes comprises: setting the bulk density of cokes to be injected to a coke oven in advance; calculating the particle distribution which gives the above bulk density; and distilling after injecting coals which are crushed to fulfill the target particle distribution calculated previously. The coals to be injected to the coke oven are divided into at least two groups. Preferably, coals are crushed separately in each group and mixed with ones from at least 2 groups to be injected. Further, coals are preferably divided into a plurality of groups according to an amount of an inert content and conditions for crushing are adjusted on the bases of the amount of the inert content.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种制造焦炭的方法,其中当将煤炭注射到焦炉中时,可以在高或低时自由设定焦炭的堆积密度,而不降低煤的强度和焦炭的堆积密度 可以根据焦炉的运行条件进行调整。 解决方案:焦炭的制造方法包括:预先将焦炭的体积密度设定为焦炭; 计算给出上述堆积密度的颗粒分布; 并在注入被粉碎以满足先前计算的目标颗粒分布的煤之后蒸馏。 将要注入焦炉的煤分成至少两组。 优选地,在每组中分别粉碎煤,并与至少两组进行混合以进行注射。 此外,优选根据惰性成分的量将煤分成多组,根据惰性成分的量调整粉碎条件。 版权所有(C)2007,JPO&INPIT
    • 64. 发明专利
    • Asphalt-modifying material, asphalt mixture, method for producing asphalt-modifying material, and method for producing asphalt mixture
    • 沥青改性材料,沥青混合料,生产沥青改性材料的方法,以及生产沥青混合料的方法
    • JP2003335946A
    • 2003-11-28
    • JP2002142493
    • 2002-05-17
    • Jfe Steel KkJfeスチール株式会社
    • OKADA TOSHIHIKOANYASHIKI TAKASHIARIYAMA TATSUROMIYAZAWA KUNIO
    • E01C7/26C08L95/00C08L101/00
    • PROBLEM TO BE SOLVED: To provide an asphalt composition having excellent flow resistance and abrasion resistance, namely an asphalt-modifying material capable of improving the durability of paved roads.
      SOLUTION: This asphalt-modifying material is characterized by comprising waste plastics thermally treated and purified in a solvent. When the waste plastics are thermally treated and purified in the solvent, for example, paper in the waste plastics is thermally decomposed, and aluminum foils are precipitated and separated. Thereby, the foreign matters in the waste plastics can be removed, and it can be prevented that the foreign matters disturb the adhesion of the modified asphalt to aggregates in the asphalt to lower the mutual binding of the aggregates. Thus, the asphalt-modifying material suitable for obtaining an asphalt composition having excellent flow resistance and abrasion resistance, namely an asphalt composition capable of improving the durability of paved roads, can be provided at a lower cost than those of conventional modifying materials.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供具有优异的流动阻力和耐磨性的沥青组合物,即能够提高铺设道路的耐久性的沥青改性材料。 解决方案:该沥青改性材料的特征在于包括在溶剂中热处理和纯化的废塑料。 当废塑料在溶剂中进行热处理和纯化时,例如,废塑料中的纸被热分解,铝箔沉淀并分离。 由此,可以除去废塑料中的异物,可以防止异物干扰改性沥青与沥青中的聚集体的粘附,降低聚集体的相互结合。 因此,能够以比常规改性材料低的成本提供适合于获得具有优异的耐流动性和耐磨性的沥青组合物的沥青改性材料,即能够改善铺路的耐久性的沥青组合物。 版权所有(C)2004,JPO
    • 65. 发明专利
    • Manufacturing method of molded product of raw material for ferrocoke and ferrocoke
    • FERROCOKE和FERROCOKE原料的模制产品的制造方法
    • JP2008056778A
    • 2008-03-13
    • JP2006233965
    • 2006-08-30
    • Jfe Steel KkJfeスチール株式会社
    • FUJIMOTO HIDEKAZUSHIMOYAMA IZUMIANYASHIKI TAKASHIFUKADA KIYOSHIYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B53/08
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a molded product of raw materials for ferrocoke and a manufacturing method of ferrocoke that can maintain strengths of a cold molded product of a mixture of coal with iron ore and strengths of ferrocoke manufactured from the molded product even when a small amount of a binder is used.
      SOLUTION: The manufacturing method of the molded product of raw materials for ferrocoke comprises mixing coal, iron ore and a binder and cold-molding the same to obtain the molded product, where an organic binder having a softening point of higher than 100°C and an organic binder having a softening point of 100°C or lower are used as the binder. Preferably, the binder is mixed with coal and iron ore after the organic binder having a softening point of higher than 100°C is mixed with the organic binder having a softening point of 100°C or lower thereby causing the organic binder having a softening point of higher than 100°C to swell and/or dissolve. The ferrocoke is manufactured by dry-distilling the molded product of raw materials for ferrocoke.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于铁焦的原料的成型产品的制造方法和可以保持煤与铁矿石的混合物的冷成型体的强度和铁焦的强度的铁焦的制造方法 即使使用少量的粘合剂也可以使用成型体。 解决方案:用于铁焦粉原料的模制产品的制造方法包括将煤,铁矿石和粘合剂混合并将其冷成型以获得模制产品,其中软化点高于100的有机粘合剂 使用软化点为100℃以下的有机粘合剂作为粘合剂。 优选地,在软化点高于100℃的有机粘合剂与软化点为100℃或更低的有机粘合剂混合之后,将粘合剂与煤和铁矿石混合,从而使具有软化点的有机粘合剂 高于100℃以溶胀和/或溶解。 铁粉是通过干法制造用于铁粉的原料的成型产品。 版权所有(C)2008,JPO&INPIT
    • 66. 发明专利
    • Manufacturing method of molded product of raw material for ferrocoke and ferrocoke
    • FERROCOKE和FERROCOKE原料的模制产品的制造方法
    • JP2008056777A
    • 2008-03-13
    • JP2006233964
    • 2006-08-30
    • Jfe Steel KkJfeスチール株式会社
    • FUJIMOTO HIDEKAZUSHIMOYAMA IZUMIANYASHIKI TAKASHIFUKADA KIYOSHIYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B53/08
    • Y02P20/52
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a molded product of raw materials for ferrocoke and a manufacturing method of ferrocoke that can maintain strengths of a cold molded product of a mixture of coal with iron ore and strengths of ferrocoke manufactured from the molded product even when a small amount of a binder is used. SOLUTION: The manufacturing method of the molded product of raw materials for ferrocoke comprises mixing coal, iron ore and a binder and cold-molding the same to obtain the molded product, where an organic binder having a softening point of 100°C or lower is used as the binder. Preferably, the viscosity of the binder is adjusted to 50-600 cP when the binder is mixed with the mixture of coal and iron ore and the mixing temperature at which the binder is mixed with the mixture of coal and iron ore is caused to be 70-150°C. The ferrocoke is manufactured by dry-distilling the molded product of raw materials for ferrocoke. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于铁焦的原料的成型产品的制造方法和可以保持煤与铁矿石的混合物的冷成型体的强度和铁焦的强度的铁焦的制造方法 即使使用少量的粘合剂也可以使用成型体。 解决方案:铁焦原料成型产品的制造方法包括将煤,铁矿石和粘合剂混合并将其冷成型,得到成型产品,其中软化点为100℃的有机粘合剂 或以下用作粘合剂。 当粘合剂与煤和铁矿石的混合物混合时,优选将粘合剂的粘度调节至50-600cP,将粘合剂与煤和铁矿石的混合物混合的混合温度为70℃ -150℃。 铁粉是通过干法制造用于铁粉的原料的成型产品。 版权所有(C)2008,JPO&INPIT
    • 67. 发明专利
    • Method for producing coke for metallurgy
    • 用于生产用于冶金的焦炭的方法
    • JP2006273885A
    • 2006-10-12
    • JP2005090306
    • 2005-03-28
    • Jfe Steel KkJfeスチール株式会社
    • FUJIMOTO HIDEKAZUSHIMOYAMA IZUMIANYASHIKI TAKASHIFUKADA KIYOSHIYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B57/04
    • PROBLEM TO BE SOLVED: To provide a method for producing coke for metallurgy in which, when coke is produced by adding carbon fibers composed of filament bundles to coal, a coke having a higher strength and a larger particle size than before can be produced by increasing the clearance.
      SOLUTION: The method for producing coke for metallurgy comprises carbonizing a coal to which carbon fibers are added, wherein the carbon fibers are added in the state of filament bundles, each bundle being composed of 5,000 or more filaments. Preferably, the length of the carbon fibers is 1-20 cm; the addition ratio of the carbon fibers to coal is 0.005-0.03 mass%; and one or more selected from tow, staple yarn, and chop are used as the carbon fibers in the state of filament bundles.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供一种生产用于冶金的焦炭的方法,其中当通过将由长丝束组成的碳纤维添加到煤中而产生焦炭时,具有比以前更高的强度和更大的粒度的焦炭可以是 通过增加间隙产生。 < P>解决方案:用于制造冶金焦炭的方法包括碳化碳纤维加入的煤,其中碳纤维以丝束状态加入,每束由5000根或更多根的长丝组成。 优选地,碳纤维的长度为1-20cm; 碳纤维与煤的添加比例为0.005-0.03质量%; 使用丝束,短纤维丝和剁丝中的一种或多种作为纤维束状态的碳纤维。 版权所有(C)2007,JPO&INPIT
    • 68. 发明专利
    • Method of estimation of percent coke contraction of blended coal and cokemaking process
    • 混合焦炭和焦化工艺的焦炭焦化估算方法
    • JP2006249174A
    • 2006-09-21
    • JP2005065193
    • 2005-03-09
    • Jfe Steel KkJfeスチール株式会社
    • YAMAMOTO TETSUYATSUKIHARA YUJIKAWAGUCHI YASUHIROSHIMOYAMA IZUMIANYASHIKI TAKASHIFUKADA KIYOSHIFUJIMOTO HIDEKAZUSUMI HIROYUKI
    • C10B57/00
    • PROBLEM TO BE SOLVED: To provide a method of estimation of percent coke contraction which is simple yet allows an accurate estimation of a percent contraction of coke in cokemaking using blended coke.
      SOLUTION: The estimation of a percent coke contraction of blended coke in cokemaking using blended coal as the raw material in which more than one kind of individual brand coal is blended in a specific ratio comprises estimating the reflectance distribution of the vitrinite structure of the blended coal from the reflectance distribution of the vitrinite structures of the individual brand coals and the blend ratio, obtaining the distribution width and estimating the percent coke contraction of the blended coal using the arithmetic average percent coke contraction of the blended coal obtained by weight-averaging based on the distribution width and the blend ratio. The percent coke contraction of an average quality blended coke estimated from the average reflectance of the blended coal obtained based on the blend ratio of the individual coals may also be used. The cokemaking process comprises placing a blended coal adjusted using the method of estimation in the carbonization chamber and carbonizing it.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种估计焦炭收缩百分比的方法,该方法简单,但允许使用混合焦炭准确估计焦炭在焦炭中的百分比收缩。

      解决方案:以混合煤为原料,以一种以上种类的单品牌煤以特定比例混合的混合焦炭焦炭收缩率的估计包括估计镜质体结构的反射率分布 来自各个品牌煤的镜质体结构的反射率分布的混合煤和混合比,通过重均分子量获得的混合煤的算术平均焦炭收缩百分比获得混合煤的分布宽度和焦炭收缩百分比, 基于分布宽度和混合比平均。 也可以使用根据单个煤的混合比例获得的混合煤的平均反射率估计的平均质量混合焦炭的焦炭收缩百分比。 合作过程包括将使用估算方法调整的混合煤放入碳化室并碳化。 版权所有(C)2006,JPO&NCIPI