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公开(公告)号：KR1020150111486A
公开(公告)日：2015-10-06
申请号：KR1020140034562
申请日：2014-03-25
申请人： 주식회사 포스코
CPC分类号： C21B13/0086 , C21B11/02 , C21B13/0033 , C21B2200/00
摘要： 본발명은석탄계용철제조공정에서분진또는슬러지의형태로발생하는, 유용성분이다량함유된부산물을환원철의괴성화제조공정에서재활용하는방법및 괴성화설비에관한것으로서, 분철광석을환원시키는유동환원로; 환원철배출관을통해상기유동환원로와연결되며, 상기환원철을저장하여괴성화설비로공급하는환원철저장조; 상기환원철저장조로부터이송되는환원철을괴성화하는괴성화설비; 및용철제조공정에서발생한부산물괴성체를부산물공급배관을통해이송하는이송수단을포함하며, 상기부산물공급배관은상기부산물의괴성체를상기유동환원로, 환원철공급관및 환원철저장조로부터선택되는적어도하나에공급하는것인환원철괴성화설비및 이에따른괴성화방법을제공한다.
摘要翻译： 本发明涉及一种用于回收含有大量可利用成分的副产物的方法，并且在用于还原铁固化方法的灰尘或污泥的形式的煤基铁水生产方法中生成和固化设备。 本发明包括还原铁矿石的可移动还原炉; 还原铁储存罐，通过还原铁排放管连接到可移动还原炉，储存还原铁，并将还原铁供应到凝固设备; 凝固设备固化从还原铁储存罐转移的还原铁; 以及转移装置，其通过副产物供给管转移在铁生产过程中产生的副产物固化物。 副产品供给管将副产物凝固物供给到可动还原炉，还原铁供给管和还原铁储存罐中的至少一种。
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公开(公告)号：KR1020150053809A
公开(公告)日：2015-05-18
申请号：KR1020157009638
申请日：2013-09-10
申请人： 뵈스트알파인 스탈 게엠베하
CPC分类号： C21B13/0073 , C01B3/02 , C21B13/004 , C21B13/0086 , C21B13/02 , C21B13/14 , C22C37/00 , C22C38/00 , C25B1/04 , Y02E60/366 , Y02E70/10 , Y02P10/122 , Y02P10/126 , Y02P10/128 , Y02P10/136 , Y02P10/138 , Y02P20/133
摘要： 본발명은직접환원법으로철광석을환원시키는방법으로서, 여기서환원될철광석은환원고로와같은환원부를통해서이송되고및 환원가스와접촉되며; 상기환원가스는상기환원부로인도되어그 환원부를통과하며; 상기환원부를통과한후, 상기환원부로부터가스를취하고; 상기환원부를나온후, 상기가스를준비하고가능한신규가스성분을추가하고다시역공급하며; 및상기발생된가스혼합물로부터나온발생된가스혼합물또는환원가스생성물을, 상기환원부로진입하기전에, 700 내지 1100°C, 바람직하게는 850 내지 1000°C로가열하는데 있어서, 상기가열은주로전기적방식으로수행되는것을특징으로하는방법이다.
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公开(公告)号：KR101431689B1
公开(公告)日：2014-08-22
申请号：KR1020130075860
申请日：2013-06-28
申请人： 주식회사 포스코
CPC分类号： C21B13/0033 , C21B11/00 , C21B13/0086 , C21B13/143 , F27D25/008
摘要： A device for manufacturing molten iron comprises a melter-gasifier in which reduced iron is charged to process fine ore remaining in a reducing furnace by a drying method; a multi-stage reducing furnace connected to the melter-gasifier for providing reduced iron; and a dumping unit for discharging the fine ore remaining in the reducing furnace. The dumping unit includes a discharge line installed to the other reducing furnace connected to a final reducing furnace among the reducing furnaces and in which the remaining fine ore is discharged; a transfer line connected between the discharge line and the final reducing furnace to transfer the fine ore to the final reducing furnace; a supply line connected to the transfer line to supply high pressure gas to the transfer line; and a gas supply unit connected to the supply line.
摘要翻译： 一种用于制造铁水的装置包括熔化炉 - 气化器，其中通过干燥方法加入还原铁以处理残留在还原炉中的细矿石; 连接到熔炉 - 气化器的多级还原炉，用于提供还原铁; 以及用于排出残留在还原炉中的细矿石的倾倒单元。 倾卸单元包括安装在与还原炉中的最终还原炉相连的另一还原炉中的排出管线，其中剩余的细矿石排出; 连接在排出管线和最终还原炉之间以将细矿石转移到最终还原炉的输送管线; 连接到所述输送管线以将高压气体供给到所述输送管线的供给管线; 以及连接到供应管线的气体供应单元。
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公开(公告)号：KR1020140001582A
公开(公告)日：2014-01-07
申请号：KR1020120069489
申请日：2012-06-27
申请人： 주식회사 포스코
IPC分类号： C21B13/14
CPC分类号： C21B13/143 , B21B1/463 , C21B13/0033 , C21B13/0073 , C21B13/0086 , C21C5/28
摘要： The present invention relates to an integrated iron making system and an integrated iron making method and, more specifically, to integrated iron making system and an integrated iron-making method which are environment-friendly; which remarkably reduces the amount of environmental pollutants generated in a raw material processing process and an iron making process and energy consumption. A carboniferous smelting reduction method according to one aspect of the present invention includes a reduced fine iron ore manufacturing device including movable reducing furnace equipment which includes at least one movable reducing furnace and which is configured for manufacturing reduced fine iron ores by reducing fine iron ore; an granulation device which produces granulated ores by granulating iron ores and supplies the granulated ores to the movable reducing furnace equipment as a material to be reduced by the movable reducing furnace equipment; an agglomeration device which is configured to manufacture agglomerated reduced iron by receiving the reduced fine iron ores from the movable reducing furnace equipment and agglomerating the same; an iron making device including a smelting furnace which manufactures molten iron by smelting the agglomerated reduced iron agglomerated by the agglomeration device; and a steel-making device which manufactures molten steel by receiving the molten iron manufactured by the iron making device and scraps. [Reference numerals] (AA) Exhaust gas; (BB) Molten iron
摘要翻译： 本发明涉及一体化炼铁系统和综合炼铁方法，更具体地涉及环境友好的综合炼铁系统和综合炼铁方法; 这显着减少了原料加工过程中产生的环境污染物和炼铁工艺和能源消耗量。 根据本发明的一个方面的含碳冶炼还原方法包括还原的细铁矿石制造装置，其包括可移动的还原炉设备，其包括至少一个可移动还原炉，并且其被配置为通过还原细铁矿石来制造还原的细铁矿石; 造粒装置，其通过造粒铁矿石生产造粒矿石，并将颗粒矿石作为可还原炉设备还原的可移动还原炉设备供应; 凝结装置，其构造为通过从可移动的还原炉设备接收还原的细铁矿石并使其凝聚而制造团聚的还原铁; 一种制铁装置，包括熔炼炉，其通过熔炼由附聚装置凝聚的凝聚的还原铁制造铁水; 以及通过接收由炼铁装置制造的铁水和废料来制造钢水的炼钢装置。 （附图标记）（AA）废气; （BB）铁水
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公开(公告)号：KR101289217B1
公开(公告)日：2013-07-29
申请号：KR1020110068048
申请日：2011-07-08
申请人： 주식회사 포스코
IPC分类号： C21B13/14
CPC分类号： C21B13/0033 , C21B13/002 , C21B13/0086 , C21B13/143 , C21B2100/60 , C21C5/285 , C21C5/34 , C21C5/35 , C21C5/5217 , C21C5/562 , Y02P10/216
摘要： 본 발명은 일관제철시스템 및 일관제철방법에 관한 것으로서, 보다 상세하게는 원료처리과정 및 제선공정에서 발생하는 환경오염물질의 발생량을 현저히 감소시킬 뿐만 아니라, 에너지 사용량을 감소함으로써 환경친화적인 일관제철시스템 및 일관제철방법에 관한 것이다.
본 발명의 일측면에 의하면,각각 하나 이상의 유동환원로를 포함하여 분철광석을 환원시켜 환원분철광석을 제조하도록 구성되는 제1유동환원로설비 및 제2유동환원로설비를 포함하는 환원분철광석제조장치; 상기 제1유동환원로설비 및 제2유동환원로설비에서 환원된 분철광석을 각각 공급받아 괴상화하여 괴상화환원철을 제조하도록 구성되는 제1괴상화장치 및 제2괴상화장치; 및 상기 제1괴상화장치에서 괴상화된 괴상화환원철을 용융하여 용선을 제조하는 용융로를 포함하는 제선장치와 상기 제선장치에서 제조된 용선 및 괴상화환원철을 공급받아 용강을 제조하는 제강장치를 포함하는 일관제철시스템이 제공된다.
본 발명에 의하면, 원료환경에 유연하게 대처할 수 있을 뿐만 아니라 환경오염을 현저히 저감할 수 있는 일관제철시스템 및 이를 이용한 일관제철방법을 제공할 수 있다.-
公开(公告)号：KR101284532B1
公开(公告)日：2013-07-16
申请号：KR1020107025116
申请日：2009-03-31
申请人： 신닛테츠스미킨 카부시키카이샤
CPC分类号： C22B1/20 , C21B13/0033 , C21B13/0073 , C21B13/0086 , C21B13/146 , C21B2100/60 , C22B1/205 , C22B5/18 , Y02P10/136
摘要： 소결광 제조 프로세스에 있어서, 소결 원료로서 사용하는 피솔라이트 광석 또는 마라맘바 광석 등의 결정수를 포함하는 분철광석의 일부 또는 전부를, 고로 가스 등의 환원성 가스를 사용하여 유동층 등의 환원로에서 예비 환원하고, 분철광석 중의 결정수를 제거하는 동시에, 분철광석 중의 헤마타이트를 마그네타이트 또는 우스타이트까지 환원한다. 그리고, 이 예비 환원 분광석과 그 밖의 분철광석, 잡철원, 부원료, 반광 및 응결재와 배합한 원료를 소결광 제조 프로세스에서 사용한다.
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公开(公告)号：KR1020130050805A
公开(公告)日：2013-05-16
申请号：KR1020110116054
申请日：2011-11-08
申请人： 주식회사 포스코
IPC分类号： C22B1/14
CPC分类号： C22B1/2406 , C21B13/0086 , C22B1/16
摘要： PURPOSE: A bracket and a manufacturing method thereof are provided to prevent the reduction degradation of partially reduced steels even though using unreduced ores in a FINEX process. CONSTITUTION: A bracket manufacturing method is as follows: a step for preparing a mixture composed of 1-30 wt.% of coal, 10 wt.% or less of moisture, and the rest of steel material; a step for manufacturing the mixture to pellets(65) in a pelletizer(50); a step for partially reducing the pellets by charging the pellets into a fluidized reduction furnaces(70,71,72,73); and a step for manufacturing the partially reduced pellets to a bracket(95). [Reference numerals] (65) Pellet; (95) Highly-reactive partially-reduced iron bracket
摘要翻译： 目的：提供支架及其制造方法，以防止部分还原钢的还原退化，即使在FINEX工艺中使用未还原矿石。 构成：托架制造方法如下：制备由1-30重量％的煤，10重量％以下的水分组成的混合物和其余的钢材的工序; 在造粒机（50）中将混合物制成颗粒（65）的步骤; 通过将颗粒装入流化还原炉（70,71,72,73）中来部分还原颗粒的步骤; 以及将部分还原的颗粒制造到托架（95）的步骤。 （附图标记）（65）颗粒; （95）高反应性部分还原铁支架
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公开(公告)号：KR1020120110900A
公开(公告)日：2012-10-10
申请号：KR1020110029078
申请日：2011-03-30
申请人： 현대제철 주식회사
IPC分类号： C22B1/16
CPC分类号： C22B1/243 , C21B13/006 , C21B13/0086 , C22B1/16
摘要： PURPOSE: A method for preparing composite material for sintered ore is provided to recycle nickel slag as substitute for serpentine, forsterite, or dolomite, thereby obtaining high quality sintered ore ensuring high strength at room temperature. CONSTITUTION: A method for preparing composite material for sintered ore comprises a step of adding moisture to a powder material for sintered ore, which includes fine ore, a SiO2-containing material, a limestone-based powder material, and a solid fuel based powder material and assembling the powder material using water as a cross-linking agent, wherein the SiO2-cotaining material employs nickel slag. [Reference numerals] (AA) Room-temperature strength(SI,%); (BB) Ni-Slag usage ratio(%)
摘要翻译： 目的：提供一种制备烧结矿复合材料的方法，用于回收镍渣作为蛇纹石，镁橄榄石或白云石的替代品，从而获得高质量的烧结矿，确保室温下的高强度。 构成：一种烧结矿复合材料的制备方法，其特征在于，包括细矿石，含SiO2材料，石灰石粉末材料和固体燃料基粉末材料的烧结矿粉末材料中添加水分的步骤 并且使用水作为交联剂组装所述粉末材料，其中所述SiO 2脱脂材料使用镍渣。 （标号）（AA）室温强度（SI，％）; （BB）镍渣使用率（％）
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公开(公告)号：KR1020120097733A
公开(公告)日：2012-09-05
申请号：KR1020110017125
申请日：2011-02-25
申请人： 현대제철 주식회사
IPC分类号： C22B1/16
CPC分类号： C22B1/24 , C21B13/0086 , C22B1/16
摘要： PURPOSE: A sintered ore production method is provided to increase the falling speed and average grain diameter of sintered ore and reduce reduction degradation ratio at low temperature. CONSTITUTION: A sintered ore production method comprises the steps of: mixing and assembling mill scale of 0-15wt.% to blended sintered ore material of 100wt.%, charging the mixed material into a sintering machine, and igniting the sintering machine to implement sintering. [Reference numerals] (AA) Productivity; (BB) Mill scale(%)
摘要翻译： 目的：提供烧结矿生产方法，以提高烧结矿的下落速度和平均粒径，降低低温下的降解率。 构成：烧结矿生产方法包括以下步骤：将混合烧结矿物料重量为100％（重量）的0-15％（重量）的氧化皮混合组装，将混合料装入烧结机中，点火烧结机实现烧结 。 （附图标记）（AA）生产率; （BB）磨机规模（％）
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公开(公告)号：KR1020120075330A
公开(公告)日：2012-07-06
申请号：KR1020110071414
申请日：2011-07-19
申请人： 주식회사 포스코
CPC分类号： C21B13/0033 , C21B13/002 , C21B13/0086 , C21B13/143 , C21B2100/60 , C21C5/285 , C21C5/34 , C21C5/35 , C21C5/5217 , C21C5/562 , Y02P10/216
摘要： PURPOSE: An integrated steelmaking system using an electric furnace and an integrated steelmaking method provides a compact integrated steelmaking system and integrated steelmaking method by final fusion reduction treating an iron ore in an electric furnace. CONSTITUTION: An integrated steelmaking system using an electric furnace is composed of an agglomeration reduction iron ore manufacturing device(10) and an electric furnace(20). The agglomeration reduction iron ore manufacturing device comprises one or more fluidized-bed reduction furnaces(1111,1112,1113,1114) and fluidized-bed reduction furnace facilities(111). The agglomeration reduction iron ore manufacturing device comprise an agglomeration device manufacturing agglomeration reduction iron ore by receiving reduced iron ore and agglomerating. The electric furnace manufactures molten steel by receiving the agglomeration reduction iron manufacture in the agglomeration reduction iron ore manufacturing device.
摘要翻译： 目的：使用电炉和综合炼钢方法的综合炼钢系统，通过对电炉中的铁矿石进行最终的熔融还原处理，提供了一体化的炼钢系统和集成炼钢方法。 构成：使用电炉的综合炼钢系统由附聚还原铁矿石制造装置（10）和电炉（20）组成。 凝聚还原铁矿石制造装置包括一个或多个流化床还原炉（1111,1112,1113,1114）和流化床还原炉设备（111）。 附聚还原铁矿石制造装置包括通过接收还原的铁矿石和附聚物制造附聚还原铁矿石的附聚装置。 电炉通过在附聚还原铁矿石制造装置中接收附聚还原铁制造而制造钢水。
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