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    • 73. 发明专利
    • Manufacturing method of metallurgical coke
    • 冶金焦的制造方法
    • JP2009074048A
    • 2009-04-09
    • JP2008159941
    • 2008-06-19
    • Jfe Steel KkJfeスチール株式会社
    • FUKADA KIYOSHISHIMOYAMA IZUMIANYASHIKI TAKASHIFUJIMOTO HIDEKAZUSUMI HIROYUKI
    • C10B57/04
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of metallurgical coke in which the blending composition of coal of a coke raw material is determined using a new parameter which is simple and highly reproducible. SOLUTION: The manufacturing method of metallurgical coke is characterized in that a ratio of coal having low content of nitrogen and sulfur in the coal to coal having high content of nitrogen and sulfur in the coal is used as one of the blending standard when the coal of the coke manufacturing raw material is blended. If the borderline of the ratio of the coal having low content of nitrogen and sulfur in the coal to the coal having high content of nitrogen and sulfur in the coal is set to 1.80-2.20 mass% in total content of the nitrogen and sulfur on dry ash-free basis, it is preferable that the coal is blended so that the ratio of the coal having low content of nitrogen and sulfur in the coal to the coal having high content of nitrogen and sulfur in the coal is 0.3 to 0.6. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种冶金焦的制造方法,其中使用简单且高度可重现的新参数确定焦炭原料的煤的共混组合物。 解决方案:冶金焦的制造方法的特征在于,将煤中的氮和硫含量低的煤与煤中的氮和硫含量高的煤的比例用作混合标准之一 混合焦炭生产原料的煤。 如果在煤中氮含量低,硫含量低的煤与煤中氮,硫含量较高的煤的比例与干燥时氮和硫总含量的比值确定为1.80-2.20质量% 无灰的基础,优选混合煤,使得煤中的氮和硫含量低的煤与煤中氮和硫含量高的煤的比例为0.3〜0.6。 版权所有(C)2009,JPO&INPIT
    • 74. 发明专利
    • Method for producing high strength coke
    • 生产高强度焦炭的方法
    • JP2008133384A
    • 2008-06-12
    • JP2006321253
    • 2006-11-29
    • Jfe Steel KkJfeスチール株式会社
    • FUKADA KIYOSHISHIMOYAMA IZUMIANYASHIKI TAKASHIFUJIMOTO HIDEKAZUYAMAMOTO TETSUYASUMI HIROYUKINODA TAKESHI
    • C10B57/04C10B57/08
    • PROBLEM TO BE SOLVED: To provide a method for producing high strength coke, by which the coke having a high cold strength and a high post reaction strength can be produced by crushing coal in proper conditions.
      SOLUTION: This method for producing the coke comprises crushing coal particles high in the presence rate of inorganic ingredients so that the crushed particle sizes of the coal particles high in the presence rate of inorganic ingredients are smaller than those of coal particles low in the presence rate of inorganic ingredients, mixing both the coal particles, and then charging the mixture into a coke oven to carbonize the mixture. The method for producing the coke preferably comprises treating coal (X) 10 high in the content of coal particles high in the presence rate of inorganic ingredients and coal (Y) 13 low in the content of coal particles high in the presence rate of inorganic ingredients in a classification process 11 for classifying at least one part of 10 into coal having large particle diameters and coal having small particle diameters, the first crushing process 12 for crushing coal having large particle diameters, and the second crushing process 14 for mixing the coal treated in 12, the coal having small particle diameters, the residue of the coal (X) and the coal (Y) 13, and then charging the treated product into a coke oven.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种高强度焦炭的制造方法,通过该方法可以在合适的条件下对煤进行粉碎来制造具有高的冷强度和高反应强度的焦炭。 解决方案:这种生产焦炭的方法包括以无机成分的存在率高的煤粉破碎,使得无机成分的存在率高的煤颗粒的粉碎粒度小于低于 无机成分的存在率,混合煤颗粒,然后将混合物装入焦炉中以碳化混合物。 生产焦炭的方法优选包括以无机成分的存在率和无机成分的存在率高的煤颗粒的含量较低的煤(Y)13处理高煤炭颗粒的含量高的X(10) 在用于将至少一部分10分解成具有大粒径的煤和具有小粒径的煤的分级过程11中,用于破碎具有大粒径的煤的第一破碎过程12和用于混合煤处理的第二破碎过程14 在12中,具有小粒径的煤,煤(X)和煤(Y)13的残渣,然后将处理的产物装入焦炉中。 版权所有(C)2008,JPO&INPIT
    • 75. 发明专利
    • Method for loading coal into coal tower and coal loading equipment
    • 将煤炭装入煤层和煤气装载设备的方法
    • JP2008024872A
    • 2008-02-07
    • JP2006200937
    • 2006-07-24
    • Jfe Steel KkJfeスチール株式会社
    • YAMAMOTO TETSUYASHIMOYAMA IZUMIFUKADA KIYOSHIFUJIMOTO HIDEKAZUANYASHIKI TAKASHISUMI HIROYUKIHAMAKI MAKOTOTAKIGAWA MANABU
    • C10B31/00
    • PROBLEM TO BE SOLVED: To provide a method for loading construction in a coal tower sharply shortening construction period and inhibiting fire in the construction for increasing a quantity of contraction of coke in an oven in the neighborhood of the oven mouth on the coke discharge side to smooth thrusting of the coke.
      SOLUTION: The coal loading equipment loads coal in the coal tower which feeds coal to a coal charging vehicle of a chamber-type coke oven. Thecoal loading equipment comprises a conveying means guiding coal to a predetermined charging location of the coal tower 1 and a loading chute 7 receiving the coal guided by the conveying means and dropping the coal to the neighborhood of the side wall 11 in the coal tower 1 corresponding to the discharging side of the coke oven, located in the tower 1. The loading chute 7 is installed by using a beam in the coal tower 1.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种在煤塔中装载施工的方法,其大大缩短施工期,并且抑制施工中的火焰,以增加焦炉附近的炉口附近的烤箱中的焦炭的收缩量 排放侧可平滑推进焦炭。 解决方案:煤炭装载设备将煤炭送入煤焦炉煤层,煤层将煤炭送入室型焦炉煤矿车辆。 煤炭加载设备包括将煤引导到煤塔1的预定充电位置的输送装置和接收由输送装置引导的煤的装载槽7,并将煤落入煤塔1中对应的侧壁11附近 到位于塔1中的焦炉的排放侧。装载滑道7通过在煤塔1中使用梁来安装。版权所有(C)2008,JPO&INPIT
    • 76. 发明专利
    • Ferrocoke and method for producing sintered ore
    • 用于生产烧结ORE的FERROCOKE和方法
    • JP2007246786A
    • 2007-09-27
    • JP2006074084
    • 2006-03-17
    • Jfe Steel KkJfeスチール株式会社
    • FUJIMOTO HIDEKAZUSHIMOYAMA IZUMISATO HIDEAKIANYASHIKI TAKASHIFUKADA KIYOSHIYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B57/04C10B57/08C22B1/16
    • PROBLEM TO BE SOLVED: To provide a method for producing ferrocoke at a lower price than usual without degrading quality such as strength by simplifying a pretreatment method when the particle size of iron ore which is one of the raw materials of ferrocoke is adjusted to a predetermined particle size. SOLUTION: The method for producing ferrocoke and sintered ore using a high-phosphorus ore which is iron ore containing 0.08 mass% or more of phosphorus (P) comprises sieving the high-phosphorus ore, using a minus-sieve high-phosphorus ore having a smaller particle size as a raw material for ferrocoke, and using a plus-sieve high-phosphorus ore having a larger particle size as a raw material for sintered ore. It is desirable that the mesh used for sieving is 3 mm or less. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种以比通常更低的价格生产铁碳粉的方法,而在通过简化预处理方法来降低诸如强度的品质时,当调整作为铁焦粉原料的铁矿石的粒度时 达到预定的粒度。

      解决方案:使用含有0.08质量%以上磷(P)的铁矿石的高磷矿石生产铁焦烧结矿的方法包括使用负筛高磷筛选高磷矿石 作为铁焦原料的粒径较小的矿石,使用粒径较大的加筛高磷矿石作为烧结矿的原料。 用于筛分的网格最好是3mm以下。 版权所有(C)2007,JPO&INPIT

    • 77. 发明专利
    • Manufacturing method of metallurgical coke
    • 冶金焦的制造方法
    • JP2007231066A
    • 2007-09-13
    • JP2006052004
    • 2006-02-28
    • 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 manufacturing method of metallurgical coke that permits the manufacture of high-strength coke without decreasing the amount of non- or slightly-caking coal used.
      SOLUTION: In the manufacturing method of the metallurgical coke where coal is dry-distilled to give the metallurgical coke, granulated coal comprising non- or slightly-caking coal as a nucleus and caking coal covering around the same is incorporated with blended coal in an amount of at least 40 mass%. As the caking coal of the neighboring granulated coal fuse with each other, high-strength coke having a substrate of high strengths is obtained as if the caking coal is crosslinked. Moreover, as the amount of the non- or slightly-caking coal and the caking coal used is increased, coal of a brand having a similar average maximum reflectance is inevitably left. Thus, high-strength coal can be manufactured, because coal having a similar brand can be blended even when the remaining coal is used.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供一种冶金焦的制造方法,其允许制造高强度焦炭而不减少所使用的非或轻微结块的煤的量。 解决方案:在冶金焦炭的制造方法中,将煤炭干馏以得到冶金焦炭,将包含非或微结块煤作为核的颗粒煤和覆盖在其上的结块煤与掺合煤 其量为至少40质量%。 随着相邻造粒煤的结块煤彼此熔合,得到具有高强度基材的高强度焦炭,就好像结块煤交联一样。 此外,随着非结晶或轻微结块煤和所使用的结块煤的量的增加,具有相似平均最大反射率的品牌的煤不可避免地留下。 因此,可以制造高强度煤,因为即使使用剩余的煤也可以混合具有相似品牌的煤。 版权所有(C)2007,JPO&INPIT
    • 80. 发明专利
    • Method for producing ferrocoke
    • 生产FERROCOKE的方法
    • JP2007126506A
    • 2007-05-24
    • JP2005318399
    • 2005-11-01
    • Jfe Steel KkJfeスチール株式会社
    • SHIMOYAMA IZUMISATO HIDEAKIANYASHIKI TAKASHIFUKADA KIYOSHIFUJIMOTO HIDEKAZUYAMAMOTO TETSUYASUMI HIROYUKI
    • C10B57/04C10B53/08
    • PROBLEM TO BE SOLVED: To provide a method for producing ferrocoke, with which ferrocoke having sufficient strength is produced by optimally selecting a carbonaceous material-containing substance when a mixture of an iron ore and iron sand is used as iron oxide-containing substances being a ferrocoke raw material and even if the mixing ratio of iron sand is changed.
      SOLUTION: In producing ferrocoke by mixing an iron oxide-containing substance composed of at least partially iron sand with a carbonaceous material-containing substance, molding the mixture and carbonizing the molded substance, the carbonaceous material-containing substance is composed of a mixture of a substance having caking property and a substance having no caking property and the mixing ratio of the substance having no caking property in the carbonaceous material-containing substance is determined based on the ratio of iron sand in the iron oxide-containing substance. Preferably A is determined so that the ratio A mass% of the substance having no caking property and B mass% being the mass ratio of iron sand satisfies relation represented by formula (1): A
    • 要解决的问题:提供一种生产铁焦的方法,通过使用铁矿石和铁砂的混合物作为含氧化铁的物质,通过优选选择含碳物质的物质来制备具有足够强度的铁焦炭 作为铁焦原料的物质,即使铁砂的混合比例发生变化。 解决方案:通过将由至少部分铁砂组成的含铁氧化物的物质与含碳质物质混合来制造铁焦粉,将该混合物成型并使成型物质碳化,含碳物质的物质由 基于含铁氧化物物质中的铁砂的比例来确定具有结块性的物质与不含结块物质的混合物和含碳物质中不结块的物质的混合比。 优选确定A,不具有结块性的物质的比例A质量%,铁砂质量比B质量%满足式(1)所示的关系:A <0.2×B + 5。 版权所有(C)2007,JPO&INPIT