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    • 1. 发明专利
    • Method for increasing calorie of blast furnace gas
    • 增加燃烧气体的方法
    • JP2009108241A
    • 2009-05-21
    • JP2007283570
    • 2007-10-31
    • Jfe Engineering CorpJfe Steel CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • HARAOKA TAKASHINAKAGAWA FUTAHIKO
    • C10K1/02C10K1/04C21B5/00
    • Y02P10/122
    • PROBLEM TO BE SOLVED: To efficiently perform separation of carbon dioxide or nitrogen from blast furnace gas with a minimized input energy, in reforming of blast furnace gas to a gas high in calorific value by separating carbon dioxide or nitrogen therefrom, while preventing adverse effects of dust, sulfur and mist in the blast furnace gas on a gas reforming process. SOLUTION: When the calorie of blast furnace gas is increased by separating and removing, from blast furnace gas discharged from the top of a blast furnace, carbon dioxide and/or nitrogen in the gas, a preliminary processing step S1 of removing the mist, dust and sulfur content in the blast furnace gas is executed prior to the separation and removal of carbon dioxide and/or nitrogen. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了有效地以最小化的输入能量从高炉煤气中分离二氧化碳或氮气,通过从其中分离二氧化碳或氮气将高炉煤气重整成高热值气体,同时防止 气体重整过程中高炉煤气中灰尘,硫和烟雾的不利影响。 解决方案:通过分离除去高炉煤气的热量,从高炉炉顶排出的高炉煤气中的气体中的二氧化碳和/或氮气,增加了高炉煤气的热量, 在分离除去二氧化碳和/或氮气之前执行高炉煤气中的雾,灰尘和硫含量。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Method for optimally controlling ratio of reduction material
    • 最佳控制减量材料比例的方法
    • JP2009174030A
    • 2009-08-06
    • JP2008015793
    • 2008-01-28
    • Jfe Engineering CorpJfe Steel CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • NASU TAKUNAKAGAWA FUTAHIKOIDA HIROYUKIHARAOKA TAKASHI
    • C21B5/00C21C5/52F27D17/00
    • Y02P10/216
    • PROBLEM TO BE SOLVED: To provide a method for controlling the ratio of a reduction material with which the emitting quantity of carbon dioxide gas can be set while considering the energy balance in the whole iron works. SOLUTION: In the iron works provided with at least a coke furnace, a blast furnace, a converter, a power plant and an electric furnace for melting scraps; the method for optimally controlling the ratio of the reduction materials is used such following method that while considering raw steel production quantity, CO 2 generating quantity, electricity generating quantity in the power plant and electric power quantity used in the iron works as the inner factor, and purchased quantity of the scrap, the purchased quantity of electric power and the purchased quantity of the reduction material as the outer factor in [the inlet item]; the excessive electric power quantity in the iron works is calculated, and the ratio of the reducing material for blast furnace, etc., is decided in [the outlet item] by using the excessive electric power quantity. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种在整个熨斗工程中考虑能量平衡来控制可以设定二氧化碳排放量的还原材料的比例的方法。 解决方案:在至少设有焦炉,高炉,转炉,电厂和用于熔化废料的电炉的铁厂中; 采用如下方法,在考虑原料钢生产量,CO 2 发电量,发电厂发电量和电力使用量的以下方法时,采用最佳控制还原材料比例的方法 铁作为内部因素,以[入口项目]为外部因素购买废料,购买的电力数量和减少材料的购买量; 计算铁工件中的过量电力,并且通过使用过大的电力量来确定[出口物品]中的高炉还原材料的比例等。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Separation method for blast furnace gas
    • 用于燃烧气体的分离方法
    • JP2009133601A
    • 2009-06-18
    • JP2008069217
    • 2008-03-18
    • Jfe Engineering CorpJfe Steel CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • HARAOKA TAKASHIKISHIMOTO HIROSHINAKAGAWA FUTAHIKOSAIMA HITOSHI
    • F27D17/00B01D53/04B01D53/14C01B32/40C01B32/50C10K1/08C10K1/32C21B5/06
    • Y02A50/2341Y02C10/06Y02C10/08Y02P10/122Y02P10/128Y02P20/152
    • PROBLEM TO BE SOLVED: To provide a separation method for blast furnace gas capable of efficiently recovering each gas in the separation of blast furnace gas into gases mainly composed of respective components. SOLUTION: In the separation method for blast furnace gas, when separating the blast furnace gas discharged from a blast furnace top into gases mainly composed of components by using a two-stage gas separation purifying device, the blast furnace gas is separated into a gas comprising carbon dioxide and unavoidable impurity gas components, and a gas comprising nitrogen, a carbon monoxide, and unavoidable impurity gas components by the first stage gas separation purifying device S1, and the gas comprising nitrogen, the carbon monoxide, and the unavoidable impurity gas components separated by the first stage gas separation purifying device is separated into a gas comprising nitrogen and unavoidable impurity gas components, and gas comprising a carbon monoxide and unavoidable impurity gas components by the second stage gas separation purifying device S2. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种高炉煤气的分离方法,其能够在将高炉煤气分离成主要由各成分组成的气体的同时有效地回收每种气体。 解决方案:在高炉煤气分离方法中,通过使用两级气体分离净化装置将从高炉炉顶排出的高炉煤气分离成主要由组分组成的气体,将高炉煤气分离成 包含二氧化碳和不可避免的杂质气体成分的气体,以及包含氮气,一氧化碳和第一级气体分离净化装置S1的不可避免的杂质气体成分的气体,以及包含氮气,一氧化碳和不可避免的杂质的气体 由第一级气体分离净化装置分离的气体成分被第二级气体分离净化装置S2分离成包含氮气和不可避免的杂质气体成分的气体,以及包含一氧化碳和不可避免的杂质气体成分的气体。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Method for separating blast furnace gas
    • 分离火焰气体的方法
    • JP2013231584A
    • 2013-11-14
    • JP2013121738
    • 2013-06-10
    • Jfe Steel CorpJfeスチール株式会社Jfe Engineering CorpJfeエンジニアリング株式会社
    • HARAOKA TAKASHIKISHIMOTO HIROSHINAKAGAWA FUTAHIKOSAIMA HITOSHI
    • F27D17/00B01D53/04B01D53/14B01D53/22C01B3/56C01B21/04C01B32/40C01B32/50
    • Y02A50/2341Y02C10/06Y02C10/08Y02P10/122Y02P10/128Y02P20/152
    • PROBLEM TO BE SOLVED: To efficiently recover, in the separation of blast furnace gas into gases mainly composed of respective components, each gas at high recovery rate.SOLUTION: In the separation of a blast furnace gas into gases mainly composed of respective components by use of three stages of gas separation and refinement apparatuses, the blast furnace gas is separated into a gas including COand unavoidable impurity gas components (hereinafter, referred to as "impurity gas") and a gas including N, CO, Hand an impurity gas by a first stage gas separation and refinement apparatus (S1), the gas including N, CO, Hand the impurity gas which is separated by the first stage gas separation and refinement apparatus is separated into a gas including Nand the impurity gas, a gas including CO and the impurity gas, and a gas including H, Nand the impurity gas by a second stage gas separation and refinement device (S2), and a gas including Hand the impurity gas is separated from the gas including H, Nand the impurity gas, which is separated by the second stage gas separation and refinement apparatus, by a third stage separation and refinement apparatus (S3).
    • 要解决的问题:为了有效地回收高炉煤气分离成主要由各成分组成的气体,每种气体回收率高。解决方案:将高炉煤气分离成主要由各成分组成的气体 的三段气体分离精制装置,将高炉煤气分离成包含CO和不可避免的杂质气体成分(以下称为“杂质气体”)的气体和包含N,CO的气体,通过 第一级气体分离精制装置(S1)中,包括N,CO的气体,将由第一级气体分离精制装置分离的杂质气体分离成包括N和杂质气体的气体,包括CO和 杂质气体和包含H,N的气体和通过第二级气体分离和精制装置(S2)的杂质气体,并且包括手中的杂质气体的气体与气体包 g,N和由第二级气体分离和精制装置分离的杂质气体,通过第三级分离和精制装置(S3)。
    • 7. 发明专利
    • Operation method of heating furnace having heat storage type burner
    • 具有储热式燃烧器的加热炉的操作方法
    • JP2009186101A
    • 2009-08-20
    • JP2008027134
    • 2008-02-07
    • Jfe Engineering CorpJfe Steel CorpJfeエンジニアリング株式会社Jfeスチール株式会社
    • KISHIMOTO HIROSHINAKAGAWA FUTAHIKOIDA HIROYUKINASU TAKUHARAOKA TAKASHI
    • F23L15/02F23L7/00
    • Y02E20/348
    • PROBLEM TO BE SOLVED: To provide an operation method of a heating furnace having a heat storage type burner, which uses by-product gas generated in an ironworks as combustion gas, capable of further improving thermal efficiency as compared with a conventional method. SOLUTION: In the operation method of the heating furnace having the heat storage type burner, the plurality of heat storage type burners having direct firing burners 2a, 2b with porous heat storage bodies 3a, 3b attached are arranged. The heat storage type burners alternately burn, the combustion gas in the furnace is sucked from the not-burningdirect firing burners, the combustion gas is introduced to the heat storage bodies and the heat in the combustion gas is recovered in the heat storage bodies, and the recovered heat is utilized for heating air for combustion of the burning direct firing burners. Reformed blast furnace gas which is previously manufactured by separating and eliminating carbon dioxide and nitrogen in the gas from blast furnace gas and heightened in heat values compared with the blast furnace gas is used as fuel gas of the direct firing burner. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有蓄热式燃烧器的加热炉的操作方法,其使用在炼铁厂中产生的副产物气体作为燃烧气体,与常规方法相比能够进一步提高热效率 。 解决方案:在具有蓄热型燃烧器的加热炉的操作方法中,安装具有附接有多孔蓄热体3a,3b的直接点火燃烧器2a,2b的多个储热型燃烧器。 储热式燃烧器交替燃烧,炉内的燃烧气体从不燃烧式直接燃烧器吸入,燃烧气体被引入储热体,并且燃烧气体中的热量被回收到蓄热体中, 回收的热量用于加热燃烧直接燃烧燃烧器的燃烧空气。 作为直接燃烧用燃烧器的燃料气体,使用先前通过从鼓风炉气体中分离除去气体中的二氧化碳和氮气并且与高炉气体相比加热而得到的改进的高炉煤气。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Manufacturing method of fuel storable in liquefied state from by-produced gas from iron mill
    • 来自铁矿石生产的气体的液化石油储存的制造方法
    • JP2008247929A
    • 2008-10-16
    • JP2007087034
    • 2007-03-29
    • Jfe Engineering KkJfe Steel KkJfeエンジニアリング株式会社Jfeスチール株式会社
    • HARAOKA TAKASHINAKAGAWA FUTAHIKO
    • C10L3/00C10K3/02
    • Y02P10/122
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a fuel storable in a liquefied state from a by-produced gas from an iron mill that permits the stable manufacture at a lower cost of the fuel storable in a liquefied state by effectively utilizing a gas separated from the fuel storable in a liquefied state when the fuel storable in a liquefied state is manufactured from the by-produced gas from an iron mill. SOLUTION: The manufacturing method of the fuel storable in a liquefied state from the by-produced gas from an iron mill comprises manufacturing the fuel storable in a liquefied state from a raw material gas by using a part of the by-produced gas generated in an iron mill as a raw material gas, where at least a part of carbon dioxide gas is separated from a surplus gas as a residue of the raw material gas cleared of the manufactured fuel storable in a liquefied state and the surplus gas cleared of the carbon dioxide gas is utilized by mixing it with the remainder of the by-produced gas. Preferably, the removal ratio of carbon dioxide gas from the surplus gas is 10-100 mol% and the by-produced gas is a mixed gas of one or two or more selected from among a converter gas, a blast furnace gas and a coke oven gas. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种从液化状态储存的燃料的制造方法,该方法允许以较低的成本在低成本的情况下以液化状态储存的燃料以较低的成本从铁磨机提供, 利用从液化状态储存的燃料中分离出的气体,从处于液化状态的燃料由来自铁厂的副产气体制成。 解决方案:从来自铁厂的副产气体以液化状态储存的燃料的制造方法包括通过使用一部分副产气体来制造从原料气体以液化状态储存的燃料 在作为原料气体的铁厂中产生,其中至少一部分二氧化碳气体与剩余气体分离,作为清除了液化状态下储存的制造燃料的原料气体的残留物,并且剩余气体被清除 通过将二氧化碳气体与剩余的副产气混合来利用二氧化碳气体。 优选地,来自剩余气体的二氧化碳气体的去除率为10〜100摩尔%,副产气体为选自转炉煤气,高炉煤气和焦炉中的一种或两种以上的混合气体 加油站。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • System and apparatus for recovering waste heat
    • 用于回收废热的系统和装置
    • JP2008143770A
    • 2008-06-26
    • JP2007235084
    • 2007-09-11
    • Jfe Engineering KkJfe Steel KkJfeエンジニアリング株式会社Jfeスチール株式会社
    • HARAOKA TAKASHINAKAGAWA FUTAHIKOSHIKADA TSUTOMU
    • C01B3/38C01B3/36
    • Y02P20/124Y02P20/129
    • PROBLEM TO BE SOLVED: To provide a system for recovering energy in high efficiency and an apparatus for recovering waste heat. SOLUTION: Carbon dioxide or steam is added to dimethyl ether and the resulting dimethyl ether is subjected to a reforming reaction using waste heat to obtain synthesis gas or hydrogen gas. The pressure energy of the obtained synthesis gas or hydrogen gas is converted into mechanical energy or electrical energy. For example, as shown in figure, the gas which is produced by the reforming reaction and the volume of which is expanded, is introduced into an expansion turbine 2 from a reforming reactor 1 and a turbine of the expansion turbine 2 is rotated by the pressure energy of the introduced gas to convert the pressure energy into the mechanical energy to be used for generating electricity. Meanwhile, the synthesis gas or hydrogen gas discharged from the expansion turbine 2, as before, is introduced into a by-product gas line of a blast furnace or a coke plant, stored in a gas holder 5 as fuel energy and used as fuel energy in a power plant or a factory. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种高效回收能量的系统和用于回收废热的装置。 解决方案:将二氧化碳或蒸汽加入到二甲醚中,所得二甲醚用废热进行重整反应,得到合成气或氢气。 所获得的合成气或氢气的压力被转化为机械能或电能。 例如,如图所示,通过重整反应生成的气体和其膨胀的气体从重整反应器1引入膨胀涡轮机2中,并且膨胀涡轮机2的涡轮机被压力 引入气体的能量将压力能转换成用于发电的机械能。 同时,如前所述从膨胀涡轮机2排出的合成气体或氢气被引入作为燃料能量储存在气体保持器5中的作为燃料能量的高炉或焦炭厂的副产品气体管线中并用作燃料能量 在电厂或工厂。 版权所有(C)2008,JPO&INPIT