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61. 发明授权

KR100778673B1 용철 제조 장치 有权
标题翻译：熔铁生产设备
公开(公告)号：KR100778673B1
公开(公告)日：2007-11-22
申请号：KR1020050130116
申请日：2005-12-26
申请人： 주식회사 포스코
发明人： 조민영 , 김행구 , 신명균 , 최낙준 , 남궁원 , 정선광 , 이준혁
IPC分类号： C21B13/00 , C21B11/00
CPC分类号： C21B13/0033 , B01J8/0055 , B01J8/1818 , B01J8/1827 , B01J8/24 , B01J8/26 , B01J8/28 , B01J8/44 , B01J2208/00017 , B01J2208/00557 , B01J2219/0004 , C21B13/002 , C21B13/143 , F27B15/08 , F27B15/10
摘要： 본 발명에 따른 용철 제조 장치는 분광 및 부원료를 환원 및 소성하여 환원체로 변환하는 하나 이상의 유동 환원로, 환원체를 장입하고, 내부에 산소를 취입하여 용철을 제조하는 용융 가스화로 및 용융 가스화로에서 배출하는 환원 가스를 유동 환원로에 공급하는 환원가스 공급관을 포함하며, 유동 환원로는 유동 환원로의 내부로 가스를 분사하여 정체층을 제거하는 가스 분사 장치를 포함한다.
유동환원로, 용철제조장치, 정체층, 가스분사장치
摘要翻译：一种用于制造根据本发明通过减少和烧制的光谱和添加剂在一个或多个流化床反应器到身体缩小转换，充电减小的材料，和熔炉 - 气化器通过气化吹氧到内部和熔融材料，以制造铁水铁水包含还原气体供应管线供给排出到流化床反应器的还原气体，所述流化床反应器是通过喷射气体至流化床反应器的内部包括用于去除停滞层的气体喷射装置。

62. 发明公开

KR1020070068210A 개선된 유동환원로를 구비한 용철제조장치 有权
标题翻译：用改进的流化床还原反应器制造铸铁的装置
公开(公告)号：KR1020070068210A
公开(公告)日：2007-06-29
申请号：KR1020050130071
申请日：2005-12-26
申请人： 주식회사 포스코
发明人： 이준혁 , 김행구 , 신명균 , 정선광 , 남궁원 , 조민영 , 최낙준
IPC分类号： C21B13/00 , C21B11/00
CPC分类号： C21B13/0033 , C21B11/00 , C21B13/143 , F27D2003/167
摘要： An apparatus for manufacturing molten irons which can uniformize a flow of gas in a fluidized reduction furnace and can restrain a stagnant layer from being formed in the fluidized reduction furnace by improving distributor nozzles installed in the fluidized reduction furnace is provided. An apparatus for manufacturing molten irons comprises: a fluidized reduction furnace(20) for reducing fine iron ore to convert the fine iron ore into reduced materials; a melter-gasifier into which the reduced materials and bulk carbonaceous materials are charged, and oxygen is blown to manufacture molten irons; and a reducing gas feeding pipe for feeding a reducing gas exhausted from the meter-gasifier into the fluidized reduction furnace, wherein the fluidized reduction furnace comprises a distributor(211) installed in the fluidized reduction furnace to distribute the reducing gas, and distributor nozzles respectively installed in a plurality of through holes(2112) formed in the distributor, and wherein the distributor nozzles include: inclined nozzles(231) which are positioned in proximity to an inner wall(210) of the fluidized reduction furnace, which are inclined to the inner wall side of the fluidized reduction furnace, and which comprise a nozzle part(2311) and a nozzle guide part(2313); and vertical nozzles surrounded by the inclined nozzles.
摘要翻译：提供了一种制造铁水的装置，其可以使流化还原炉中的气体流量均匀化，并且可以通过改进在流化还原炉中安装的分配器喷嘴来限制在流化还原炉中形成停滞层。一种用于制造铁水的设备包括：用于还原细铁矿石以将细铁矿石转化成还原材料的流化还原炉（20）; 熔化器 - 气化器，其中装入还原材料和散装碳质材料，并且吹入氧气以制造铁水; 以及还原气体供给管，用于将从所述仪表气化器排出的还原气体进料到所述流化还原炉中，其中所述流化还原炉包括分散器（211），分配器（211）安装在所述流化还原炉中以分配所述还原气体，以及分配器喷嘴安装在形成在分配器中的多个通孔（2112）中，并且其中分配器喷嘴包括：倾斜喷嘴（231），其位于流化还原炉的内壁（210）附近，其倾斜于流化还原炉的内壁侧，并且包括喷嘴部分（2311）和喷嘴引导部分（2313）; 以及由倾斜喷嘴包围的垂直喷嘴。

63. 发明公开

KR1020040056305A 분철광석을 이용한 용철제조공정에서의 미분탄의 괴성화방법 无效
标题翻译：使用铁矿石精炼镍铁制造工艺中的精炼煤粉的方法
公开(公告)号：KR1020040056305A
公开(公告)日：2004-06-30
申请号：KR1020020082908
申请日：2002-12-23
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 이준혁 , 강태욱 , 김행구
IPC分类号： C21B13/00
CPC分类号： C21B13/0086 , C21B13/0066 , C21B13/143 , C21B13/146
摘要： PURPOSE: A method for agglomerating fine coal is provided to effectively manufacture agglomerated coal having compression strength of 50 kg/cm¬2 or more by mixing proper quantity of high temperature reduced iron fine with fine coal instead of a formed coal manufacturing process in which binder and high forming pressure are required. CONSTITUTION: In an ingot iron manufacturing process using an ingot iron manufacturing system comprising one or more stages of reduction furnaces for reducing iron ore fine charged using reduced gas blown in from a lower part of the reduction furnaces, and a melter gasifier for manufacturing hot metal by melting reduced iron fine discharged from the reduction furnaces and supplying flue gas of the reduced iron fine to the reduced gas of the reduction furnaces, the method for agglomerating fine coal in the ingot iron manufacturing process comprises the step of mixing the reduced iron fine discharged from the reduction furnaces with fine coal having 2.0 or more of free swelling coefficient at a temperature of 600 to 850 deg.C, wherein a mixing ratio of the reduced iron fine for the fine coal is controlled to 20 wt.% or more, wherein the mixing ratio of the reduced iron fine for the fine coal is controlled to 20 to 50 wt.%, and wherein the fine coal has free swelling coefficient of 2.0 to 5.5.
摘要翻译：目的：提供一种结块细煤的方法，通过混合适量的高温还原铁精细与细煤而不是形成煤的制造方法来有效地制造压缩强度为50kg / cm 2或更高的凝聚煤，其中粘合剂需要高的成形压力。构成：在使用锭铁制造系统的锭铁制造方法中，包括一个或多个阶段的还原炉，用于还原铁矿石，使用从还原炉的下部吹入的减少的气体精细加入，以及用于制造热金属的熔炉气化器通过将从还原炉排出的还原铁精细化并将还原铁精细的废气提供给还原炉的还原气体，在锭铁生产过程中使细煤团聚的方法包括将还原铁精细化在600〜850℃的温度下，来自具有2.0以上自由溶胀系数的微细煤的还原炉，其中将细煤的还原铁精细混合比控制在20重量％以上，其中将细煤的还原铁精细混合比控制在20〜50重量％，其中，细煤的游离溶胀系数为2.0〜 5.5。

64. 发明公开

KR1020020051992A 일반탄 및 분철광석을 이용한 용철제조방법 및 용철제조장치 有权
标题翻译：使用非焦煤和精细铁矿制造铸铁的方法和装置
公开(公告)号：KR1020020051992A
公开(公告)日：2002-07-02
申请号：KR1020000081055
申请日：2000-12-23
申请人： 주식회사 포스코 , 뵈스트-알핀 인두스트리안라겐바우 게엠바하 , 재단법인 포항산업과학연구원
发明人： 이준혁 , 신명균 , 이달회
IPC分类号： C21B13/00
CPC分类号： C21B13/143 , C21B13/008 , C21B13/146
摘要： PURPOSE: A method and an apparatus for manufacturing molten iron are provided to increase productivity by minimizing reduction loss of fine iron ore due to firing of subsidiary raw material and additionally charging fine iron ore as much as reduced amount of subsidiary raw material. CONSTITUTION: The method for manufacturing molten iron using non-coking coal and fine iron ore is characterized in that 40 to 60 wt.% of the total subsidiary raw material that is charged into a reduction furnace is supplied through a reduced iron discharge pipe, a particle diameter of the subsidiary raw material supplied through the reduction furnace is 8 mm or less while a particle diameter of the subsidiary raw material supplied through the reduced iron discharge pipe is 2 mm or less, and a location from which subsidiary raw material is supplied in the reduced iron discharge pipe is determined so that it takes 15 seconds or more to get to a melter gasifier(1) from a point of subsidiary raw material charging time. The apparatus for manufacturing molten iron comprises one or more reduction furnaces; a melter gasifier(1) connected to a final reduction furnace through a reduced iron discharge pipe in such a way that ore is circulated; and a subsidiary raw material separation charging device comprising a subsidiary raw material charging pipe(15) supplying subsidiary raw materials to the reduced iron discharge pipe.
摘要翻译：目的：提供一种用于制造铁水的方法和设备，以通过使辅助原料的烧制使细铁矿石的减少损失最小化并且另外装入少量的辅助原料的细铁矿石来提高生产率。构成：使用非焦煤和细铁矿石制造铁水的方法的特征在于，通过还原铁排出管供给装入还原炉的总辅助原料的40〜60重量％通过还原炉供给的辅助原料的粒径为8mm以下，通过还原铁排出管供给的辅助原料的粒径为2mm以下，从原料供给的位置还原铁排出管被确定为从辅料原料充电时间开始到达熔化器气化器（1）需要15秒或更多时间。用于制造铁水的设备包括一个或多个还原炉; 熔炼气化器（1），其通过还原铁排放管以使矿石循环的方式连接到最终还原炉; 以及辅助原料分离装料装置，其包括向副铁排出管供给辅助原料的副原料加料管（15）。

65. 发明公开

KR1020000032105A 유동층을 이용한 용융선철 제조장치 및 이를 이용한 용융선철제조방법 失效
标题翻译：钢铁制造设备及其制造方法
公开(公告)号：KR1020000032105A
公开(公告)日：2000-06-05
申请号：KR1019980048452
申请日：1998-11-12
申请人： 뵈스트-알핀 인두스트리안라겐바우 게엠바하 , 재단법인 포항산업과학연구원 , 주식회사 포스코
发明人： 주상훈 , 조민영 , 이준혁 , 신명균
IPC分类号： C21B13/00
CPC分类号： C21B13/0033
摘要： PURPOSE: A molten steel manufacturing device and a manufacturing method for molten steel are provided which are simple and energy-efficient by employing coal as a fuel to generate reduced gas and iron ore as raw material. CONSTITUTION: The device comprises: (i) a first fluid bed reducing furnace(14) which preheats and pre-reduces iron ore and burns a portion of supplementary raw material required for manufacturing molten steel; (ii) a second fluid bed reducing furnace(13) which secondarily pre-reduces the iron ore from step (i) and burns the supplementary raw material from step (i) respectively; (iii) a third fluid bed reducing furnace(12) which finally reduces the iron ore from step (ii) and burns the supplementary raw material from step (ii); (iv) a melting gasifying furnace(11) which manufactures molten steel by melting the iron ore from step (iii) and the supplementary raw material from step (iii); (v) a dust cyclone(111) which sends dust in the reduced gas generated at the melting gasifying furnace(11) to a dust cycling device and supplies finely powdered dust and separated auto exhaust to the third fluid bed reducing furnace(12); (vi) a melting combustion device(113) which sprays the finely powdered dust to the melting gasifying furnace(11); (vii) circulating cyclones(121, 131, 141) which collects the finely powdered dust in the auto exhaust from each fluid bed furnace(12, 13, 14) and recirculates to the each fluid bed furnace(12, 13, 14). The method comprises steps of: (i) primary pre-heating and pre-reducing iron ore and burning supplementary raw material; (ii) secondary pre-reducing the iron ore and burning the supplementary raw material; (iii) finally pre-reducing the iron ore and burning the supplementary raw material; (iv) melting and reducing the finally pre-reduced iron ore and the finally burned supplementary raw material at the melting gasifying furnace.
摘要翻译：目的：提供一种钢水制造装置和钢水的制造方法，其通过采用煤作为燃料来简单且节能地产生作为原料的还原气和铁矿石。构成：装置包括：（i）第一流化床还原炉（14），其预热和预还原铁矿石并燃烧制造钢水所需的补充原料的一部分; （ii）第二流化床还原炉（13），其二次预先还原来自步骤（i）的铁矿石并分别从步骤（i）燃烧补充原料; （iii）第三流化床还原炉（12），其最终减少来自步骤（ii）的铁矿石并燃烧来自步骤（ii）的补充原料; （iv）熔融气化炉（11），其通过熔化来自步骤（iii）的铁矿石和来自步骤（iii）的补充原料制造钢水; （v）将在熔化气化炉（11）产生的还原气体中的灰尘送到灰尘循环装置的灰尘旋风（111），并向第三流化床还原炉提供细粉尘和分离的自动排气; （vi）将细粉尘喷射到熔化气化炉（11）的熔化燃烧装置（113）; （vii）循环旋流器（121,131,141），其收集来自每个流化床炉（12,13,14）的自动排气中的细粉尘并再循环到每个流化床炉（12,13,14）。该方法包括以下步骤：（i）初级预热和预还原铁矿石和燃烧补充原料; （ii）二次预还原铁矿石并燃烧补充原料; （iii）最终预先还原铁矿石并燃烧补充原料; （iv）在熔化气化炉中熔化和还原最终预还原的铁矿石和最终燃烧的补充原料。

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