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    8th International Congress on Science and Technology of Ironmaking - ICSTI 2018

    25–28 Sept 2018
    Schloss Schönbrunn
    Europe/Vienna timezone
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    Session

    Smelting reduction

    26 Sept 2018, 09:00
    Schloss Schönbrunn

    Schloss Schönbrunn

    Schloss Schönbrunn, Apothekertrakt, Vienna

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    1. 296. 1ST CAMPAIGN HISTORY AND REVAMPING RESULTS OF #2 FINEX
      Mr Dongyoon Park (POSCO)
      26/09/2018, 09:00
      Cokemaking
      Oral Presentation
      The FINEX® process has been developed since 1992, starting from lab scale tests to constructing a pilot, a demo and two industrial plants consecutively in Pohang Works, South Korea. It has been 11 years since the first 1.5 MTPA commercial plant, #2 FINEX, began operating. The cumulative production of #2 FINEX achieved 14 million tons of hot metal and the availability in 2017 hit the record...
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    2. 203. CONTROL OF DIRECT REDUCTION IN SMELTING REDUCTION IRONMAKING
      Prof. Sung-Mo Jung (Pohang University of Science and Technology)
      26/09/2018, 09:20
      Smelting reduction
      Oral Presentation
      In two stage-smelting reduction process, it is desirable to decrease the reduction degree of iron ore in a pre-reducing unit by reducing its temperature to avoid any troubles due to stickiness of high reduced iron ore. However, less pre-reduced iron ore can induce direct reduction in a melter-gasifier, which can increase the consumption of coal. In this case, the portion of direct reduction...
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    3. 90. STATIC MODEL STUDY OF THE EFFECT OF DIRECT REDUCTION DEGREE IN COREX PROCESS
      Dr Heng Zhou (University of Science and Technology Beijing)
      26/09/2018, 09:40
      Smelting reduction
      Oral Presentation
      Direct reduction degree in COREX affects the reducing gas component and effective heat utilization rate. The present work systematically studies the influence of direct reduction degree on these characteristics in COREX through a static model. The model is developed based on mass and heat balances, which can calculate the consumption of iron ores, coal, fluxes, the volume and composition of...
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    4. 139. EXPERIMENTAL STUDY ON THE BURDEN DISTRIBUTION IN A COREX-3000 MELTER GASIFIER
      Mr Wanren Xu (Baosteel Group Corporation,China)
      26/09/2018, 10:00
      Smelting reduction
      Oral Presentation
      In order to simulate synchronous distribution of coal (coke) and DRI (ore) in the Melter Gasifier of COREX-3000, with down moving of perimeter zone of char bed, we have studied by laboratory experiment effect of charging pattern and kind of material on the stock pile shape, distribution of ore/coal ratio, distribution of porosity and particle size segregation on radius direction. The...
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    5. 147. THERMODYNAMIC ASPECTS OF HYDROGEN PLASMA SMELTING REDUCTION OF IRON OXIDES
      Mr Masab Naseri Seftejani (Fogh. Lic)
      26/09/2018, 10:50
      Smelting reduction
      Oral Presentation
      Hydrogen plasma smelting reduction (HPSR) is now an established alternative to be conside-red for upgrading existing ironmaking process and reducing the emission of greenhouse gases. HPSR offers thermodynamics and kinetics advantages over conventional carbo-thermic re-duction of iron ores. This process provides improved reducing conditions by the application of hydrogen in the plasma state and...
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    6. 165. TECHNICAL IMPROVEMENT AND PRODUCTION OVERVIEW OF SHANDONG MOLONG HISMELT PROCESS
      Prof. Kejiang Li (University of Science and Technology Beijing)
      26/09/2018, 11:10
      Smelting reduction
      Oral Presentation
      The only HIsmelt process in the world was moved from Kwinana, Australia to Shandong, China in 2013 and all the related copyright has also been transferred from Rio Tinto to a Chinese company in 2017. The Shandong HIsmelt plant was put into operation in June, 2016 and it has achieved 70-day continuous operation with the highest daily production being 1876 t/d. This is the first time to achieve...
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    7. 267. PREDICTION OF PHASE TRANSFORMATION AND VOLUME VARIATION PREDIC-TION OF HEMATITE ORE PARTICLES DURING IN-FLIGHT MELTING AND REDUCTION
      Dr Zhiyuan Chen (TU Delft)
      26/09/2018, 11:30
      Direct reduction
      Oral Presentation
      HIsarna is an emerging and promising alternative ironmaking process. Smelting cyclone is used to melt and pre-reduce fine and un-agglomerated iron ore particles in HIsarna reactor. Fine ore and flux are injected in the smelting cyclone together with oxygen. The injected ore is intensely mixed with rising hot reducing gases, undergoes partial reduction and melting. The melt hits the...
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