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    • 5. 发明申请
    • BYPRODUCT SLUDGE RECYCLING APPARATUS IN IRONMAKING SYSTEM
    • 在制铁系统中的副产品回收设备
    • WO2003025230A1
    • 2003-03-27
    • PCT/KR2002/001519
    • 2002-08-09
    • POSCORESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    • SHIN, Myoung-KyunJOO, Sang-HoonLEE, Jun-Hyuk
    • C21B13/00
    • C21B13/002C21B3/04C21B13/0033C21B2100/44C21B2100/66Y02P10/136Y02P10/216Y02W30/542
    • In an ironmaking system using non-coking coal and fine iron or directly in furnace operations without any additional treatment, a byproduct sludge recycling apparatus powders wet byproduct sludge which is by-produced in water treatment of discharge gas and then re-blows sludge powder into fluidized-bed reduction reactors so that byproduct sludge can be recycled. In the ironmaking system including the fluidized-bed reduction reactor (10, 20 and 30) and an HBI making apparatus (50), the byproduct sludge recycling apparatus (1) comprises: a sludge powder preparing unit (120) for preparing sludge powder by dewatering, drying and crushing byproduct sludge discharged from a water treatment unit (70) for treating process water from scrubbers (60) connected to discharge gas ducts (14); a storage unit (160, 160a) for storing prepared sludge powder; and a sludge powder feeder unit (190, 190a) for feeding sludge powder discharged from the sludge powder storage unit via a pneumatic conveying duct (200a, 200b) to a distributor (210a, 210b). The distributors (210) are connected to the final reduction reactor (30) and the preheating reactor (10), respectively, via sludge powder ducts (300 and 400) for blowing treated sludge powder. The invention reduces the amount of final sludge discharge and the treatment cost according to aftertreatment processes of sludge to enhance the productivity of the ironmaking system.
    • 在不使用非炼焦煤和细铁的炼铁系统中或直接进行炉膛操作而不进行任何额外的处理的副产品污泥回收设备中,将排放气体的水处理中副产的湿副产物污泥粉碎,然后将污泥粉末再次吹入 流化床还原反应器,使得副产物污泥可以再循环。 在包括流化床还原反应器(10,20和30)的炼铁系统和HBI制造设备(50)中,副产物污泥回收设备(1)包括:用于通过以下步骤制备污泥粉末的污泥粉末制备单元(120) 脱水,干燥和破碎从水处理单元(70)排出的副产物污泥,用于处理与排放气体管道(14)连接的洗涤器(60)的处理水; 用于储存预备的污泥粉末的储存单元(160,160a); 以及用于将通过气动输送管道(200a,200b)从污泥粉末储存单元排出的污泥粉末供给到分配器(210a,210b)的污泥粉末供给单元(190,190a)。 分配器(210)通过污泥粉末管道(300和400)分别连接到最终还原反应器(30)和预热反应器(10),用于吹送经处理的污泥粉末。 本发明根据污泥的后处理工艺减少最终污泥排放量和处理成本,以提高炼铁系统的生产率。
    • 6. 发明公开
    • APPARATUS FOR MANUFACTURING MOLTEN IRON AND METHOD FOR MANUFACTURING MOLTEN IRON USING SAME
    • 器具,用于产生铁水和方法SO铁水制造
    • EP2641981A2
    • 2013-09-25
    • EP11842354.0
    • 2011-11-18
    • Posco
    • SHIN, Myoung-KyunJOO, Sang-HoonKIM, Dong-JinKIM, Jin-Tae
    • C21B13/06
    • C21B13/002C21B13/143
    • Provided are an apparatus and method for manufacturing molten iron. The apparatus for manufacturing molten iron, according to the present invention, comprises: a multi-stage fluid bed furnace for converting fine iron ores into reduced fine iron through reduction; at least one high-temperature compacting unit for preparing a high-temperature compacted iron by compressing the reduced fine iron; at least one crushing unit for crushing the high-temperature compacted iron to have a certain particle size; a first conveying unit for conveying the crushed high-temperature compacted iron; and a melting furnace for melting the conveyed high-temperature compacted iron by combusting fine or lump coal, and for supplying a reducing gas, which is generated in the furnace, to a fluidized reduction furnace. In addition, the apparatus further comprises at least one compacted iron storing unit for storing some of the compacted iron which has been crushed. According to the present invention, molten iron can be manufactured stably and efficiently.
    • 本发明提供了在用于制造铁水的设备和方法。 铁水,gemäß制造在本发明的装置,包括:用于通过减少转换细铁矿石还原成铁细的多级流化床炉; 至少一个高温压紧单元用于制备高温通过压缩减小细铁压实铁; 至少一个粉碎单元粉碎压实铁具有一定粒径的高温; 用于输送粉碎高温压制铁的第一输送单元; 和熔化炉用于通过燃烧细或块煤熔化输送高温压制铁,和用于提供其在炉中产生的还原气体,在所有,以流化还原炉。 此外,该装置还包括至少一个压制铁存储单元,用于存储一些压制铁而一直粉碎的。 。根据本发明,熔融铁能够稳定地和有效地制造。