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公开(公告)号：KR101607254B1
公开(公告)日：2016-03-29
申请号：KR1020140153899
申请日：2014-11-06
申请人： 주식회사 포스코
CPC分类号： C21B13/143 , C21B11/00 , C21B13/0033 , C21B13/0073 , F27D17/004 , F27D17/008 , F27D2019/0009
摘要： 복합용철제조장치를제공한다. 본발명에따르면, 유동환원로및 석탄충진형용융가스화로기반의용철제조장치와용융욕형용융환원로기반의용철제조장치에있어서상기 2개의용철제조장치를추가적으로구성되는별도의유동환원로를매개로결합하여, 유동환원로및 석탄충진형용융가스화로기반의용철제조장치에서는종래의야금용연, 원료를사용하여용철을안정적으로생산하고이와연결되는상기용융욕형용융환원로기반의용철제조장치에서는종래야금용으로부적합한저급연, 원료를사용하여용철을안정적으로생산할수 있다.
摘要翻译： 本发明提供一种复杂的铁制造装置。 根据本发明，一种基于流化还原炉和可充填熔融气体火盆的铁制造装置和基于熔融浴式熔融还原炉的铁制造装置通过另外设置为 一种媒介 基于流化还原炉和可充填熔融气体火盆的铁制造装置使用常规的用于冶金的气体和原料来稳定地生产铁，以及基于熔融型熔融还原炉的铁制造装置， 使用基于流化还原炉和可充填熔融气体火盆的铁制造装置使用不适合常规冶金的低质量气体和原料来稳定地生产铁。
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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：KR1020120133944A
公开(公告)日：2012-12-11
申请号：KR1020110052885
申请日：2011-06-01
申请人： 재단법인 포항산업과학연구원
IPC分类号： C21B11/02
CPC分类号： C21B13/0006 , C21B11/00
摘要： PURPOSE: A hot metal preparing method is provided to improve productivity by using a powder-type hot metal material and excluding a separate pretreatment or reduction process. CONSTITUTION: A hot metal preparing method comprises the steps of: spraying a reducing agent, limestone, and iron ore selected from coal, petroleum, and reducing gas to the inside of a furnace(10) and reducing the sprayed iron ore with a reducing agent to obtain hot metal(30). [Reference numerals] (AA) Predetermined space
摘要翻译： 目的：提供一种通过使用粉末型热金属材料并排除单独的预处理或还原工艺来提高生产率的热金属制备方法。 构成：一种热金属制备方法，包括以下步骤：将选自煤，石油和还原气体的还原剂，石灰石和铁矿石喷射到炉（10）的内部，并用还原剂还原喷射的铁矿石 以获得铁水（30）。 （附图标记）（AA）预定空间
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公开(公告)号：KR1020120071016A
公开(公告)日：2012-07-02
申请号：KR1020100132590
申请日：2010-12-22
申请人： 주식회사 포스코
发明人： 서대일
IPC分类号： C21B11/00
CPC分类号： C21B13/12 , C21B11/00 , C21B13/0006 , C21B15/003 , F27B14/061
摘要： PURPOSE: A blast furnace with no emission of CO2 using microwaves is provided to heat a melting furnace with high-temperature radiant heat emitted from a SiC ceramic layer irradiated with microwaves, thereby melting iron ore with high thermal efficiency through indirect heating. CONSTITUTION: A blast furnace with no emission of CO2 using microwaves comprises a cylindrical melting furnace(110) and a microwave oscillator(120). The melting furnace has the same diameter along the length thereof and is built with a refractory material inside. A ceramic layer, composed of SiC with superior self-heating performance, is formed on the exterior of the refractory material. The microwave oscillator provides microwaves to the melting furnace. The refractory material is a magnesia based or alumina based refractory material.
摘要翻译： 目的：提供使用微波炉不产生二氧化碳的高炉，以加热熔融炉，该炉具有从微波辐射的SiC陶瓷层发出的高温辐射热，从而通过间接加热熔化高热效率的铁矿石。 构成：使用微波不产生二氧化碳的高炉包括圆柱形熔化炉（110）和微波振荡器（120）。 该熔炉沿其长度具有相同的直径，并在其内部装有耐火材料。 在耐火材料的外部形成由SiC构成的具有优异的自热性能的陶瓷层。 微波振荡器向熔化炉提供微波。 耐火材料是氧化镁基或氧化铝基耐火材料。
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公开(公告)号：KR1020100000838A
公开(公告)日：2010-01-06
申请号：KR1020080060481
申请日：2008-06-25
申请人： 손익부
发明人： 손익부
摘要： PURPOSE: A manufacturing method of low sulphur molten reduced iron using Fe-containing sludge and an apparatus thereof are provided to produce low sulphur molten reduced iron of good quality by manufacturing molten reduced iron by cooling after removing the floated impurities. CONSTITUTION: A manufacturing apparatus(100) of low sulphur molten reduced iron using Fe-containing sludge is composed of a rotator(110), a moving pipe body(130), a melting furnace(150), and a cooling device(170). An input port(110a) and an outlet port(110b) are formed at one end and the other end of the rotator. The moving pipe body controls the moving amount of molding material(B) discharged by connecting one end to the outlet of the rotator. The melting furnace melts the molten material(C) by a burner(151). The melting furnace removes the floated impurities(D). The cooling device manufactures the molten reduced iron(E) by cooling the molten material discharged from the melting furnace.
摘要翻译： 目的：提供使用含Fe污泥的低硫熔融还原铁的制造方法及其装置，通过在除去漂浮的杂质后通过冷却制造熔融还原铁来制造质量好的低硫熔融还原铁。 构成：使用含Fe污泥的低硫熔融还原铁的制造装置（100）由旋转体（110），移动管体（130），熔化炉（150）和冷却装置（170）构成， 。 在旋转体的一端和另一端形成输入口（110a）和出口（110b）。 移动管体通过将一端连接到转子的出口来控制排出的成型材料（B）的移动量。 熔化炉通过燃烧器（151）熔化熔融材料（C）。 熔化炉除去漂浮的杂质（D）。 冷却装置通过冷却从熔炉排出的熔融材料制造熔融还原铁（E）。
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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
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。
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公开(公告)号：KR100642440B1
公开(公告)日：2006-11-02
申请号：KR1020000030852
申请日：2000-06-05
发明人： 이네스존알렉산더
IPC分类号： C21B11/08
CPC分类号： C21C5/567 , C21B11/00 , C21B13/0013 , C21B13/0026 , Y02P10/136
摘要： 금속을 함유하는 공급물로부터 금속을 생산하기 위한 직접적인 제련 방법이 기재되어있다. 본 방법은 금속층과 금속층상의 슬래그층을 갖는 용융조의 형성 단계 및 금속층에서 주입된 금속을 함유하는 공급물을 제련시키는 단계를 포함한다. 본 방법은 또한 금속층으로부터 상부 가스 흐름을 발생시키는데 이는 금속층에 있는 용융물을 포획하여 용융물을 슬래그층으로 운반하여 적어도 슬래그층과 금속층의 계면에서 난류 영역을 형성한다. 본 방법은 또한 다수의 창/송풍구를 통하여 슬래그층으로 가스를 주입하여 슬래그층의 상부 영역에서 난류를 발생시키고 슬래그층으로부터 용융물의 튐, 작은 방울 및 흐름을 슬래그층 위의 용기의 상부 공간으로 분출시키는 단계를 포함한다.
제련摘要翻译： 描述了从含有金属的饲料生产金属的直接熔炼过程。 该方法包括以下步骤：在金属层上形成具有金属层和熔渣层的熔融浴，并使注入金属层中的包含金属的进料平滑。 该方法也被用于从其中至少形成一个炉渣层和在所述金属层之间的界面处的湍流区和携带的熔融材料捕集在炉渣层的金属层的熔液中的金属层上的气流。 该方法还包括多个窗口/在通过风口用于气体喷射进入渣层中的炉渣层的上部区域中产生湍流和喷射飞溅，液滴和熔体从熔渣层到容器的渣层上方的上部空间中的流动 它包括的步骤。
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公开(公告)号：KR1019930007309B1
公开(公告)日：1993-08-05
申请号：KR1019860000357
申请日：1986-01-21
IPC分类号： C21B13/14
CPC分类号： C21B11/00 , C21B13/14 , Y02P10/122 , Y02P10/128
摘要： 내용 없음.
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公开(公告)号：KR1020140137590A
公开(公告)日：2014-12-03
申请号：KR1020130058280
申请日：2013-05-23
申请人： 주식회사 포스코
CPC分类号： C21B13/0046 , C21B11/00 , C21B13/0033 , C21B13/008 , C21B13/143
摘要： 본 발명에 따르면, 종래 소결광 제조용 광석으로 사용된 고품위광석의 고갈로 인하여 극미분광의 사용이 요구되고 있으나, 이러한 극미분 광석이 유동환원로에 다량으로 장입되는 경우 미분간의 상호 작용에 의해 유동 환원로 내부에 정체층이 형성되거나, 장입 호퍼에서 유동로를 연결하는 장입관 및 다단 유동로를 연결하는 파이프 등의 흐름이 불량해 지는 문제를 해결하고자 한다.
摘要翻译： 根据本发明，由于用作制造常规烧结矿石的矿物的高级矿石的消耗，需要使用极端非常细的光。 然而，如果将大量极细的矿石装入减流炉，本发明是通过极细矿石之间的相互作用解决在流动还原炉内部形成停滞层的问题， 连接用于连接充料斗中的流路的充电管和多级流路的管道的流动。
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公开(公告)号：KR101431695B1
公开(公告)日：2014-08-20
申请号：KR1020130079011
申请日：2013-07-05
申请人： 주식회사 포스코
CPC分类号： F27D25/008 , C21B11/00 , C21B13/0073 , C21B13/143 , F27D15/02 , F27D2017/009 , F27D2019/0009
摘要： Provided is an apparatus for dumping remaining fine ore in molten iron manufacturing equipment. The apparatus for dumping remaining fine ore in molten iron manufacturing equipment comprises a melting gas furnace which dumps fine ore remaining in a reducing furnace by drying the fine ore, and to which reduced iron is inserted to improve recyclability of the fine ore dumped in the reducing furnace; a multi-stage reducing furnace connected to the melting gas furnace, and providing reduced iron to the melting gas furnace; and a dumping part to dump the fine ore remaining in the reducing furnace, wherein the dumping part comprises a discharging line connected to each reducing furnace to discharge the remaining fine ore and reducing gas; a storage bin connected to the discharging line to store the remaining fine ore conveyed through the discharging line; a cyclone installed at the storage bin to separate the remaining fine ore and the reducing gas; and a pressure control valve installed at a reducing gas conveying line installed at the storage bin to control the difference between the inner pressure of the reducing furnace and the inner pressure of the storage bin.
摘要翻译： 提供了一种用于在铁水制造设备中倾倒剩余细矿石的装置。 用于在铁水制造设备中倾倒剩余细矿石的装置包括熔化炉，其通过干燥细矿石将残留在还原炉中的精细矿石倾倒，并且将还原铁插入其中以提高倾倒在还原剂中的细矿石的可再循环性 炉; 连接到熔化炉的多级还原炉，并向熔化炉提供还原铁; 以及倾倒部，其将残留在还原炉中的细矿石倾倒，其中所述倾倒部包括连接到每个还原炉的排出管，以排出剩余的细矿石和还原气体; 连接到排放管线的存储箱，以存储通过排出管线输送的剩余细矿石; 安装在存储箱处的旋风分离器以分离剩余的细矿石和还原气体; 以及压力控制阀，其安装在设置在所述收纳箱的还原气体输送管线处，以控制所述还原炉的内部压力与所述储藏箱的内部压力之间的差。
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