• SPONGE IRON PRODUCTION FROM ORE COAL COMPOSITE

    In the year 1908 use of tunnel kiln started for iron oxide reduction This process was invented by ESieurin as Hoganas process [3] In 1954, more kilns came in operation in SWEDEN and USA Presently it is more popular in China for sponge iron production from beneficiated iron ore fines cakes In this process, the material passes through

  • Production of Sponge Iron through Tunnel Kiln Process

    Production of Sponge Iron through Tunnel Kiln Process Is there anyone who knows anything about the difficulties of this Process? And why these difficulties occur? For example:

  • Sponge Iron Production Process Arij Trading

    Market share: About 23% of sponge iron total production 4) Tunnel furnace process This process is the oldest direct reduction method In this method, Thermal coal is mixed with iron ore as a reducing agent Natural gas generates the required reduction temperature, and reduction is performed on Silicon Carbide (SiC) Crucibles in a tunnel furnace

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  • Production Sponge Iron Through Tunnel Kiln Process

    Sponge Iron Tunnel Kiln Process Wembley Primary Sponge iron production in tunnel kiln Aramico Company Sponge iron production by tunnel kiln method was developed from 1911 as H 246 gan 228 s method in Sweden After many modifications now this process is a sufficient and effective method for sponge iron production The main advantage of tunnel kiln process is the possibility to build small

  • Production of Sponge Iron through Tunnel Kiln Process

    Production of Sponge Iron through Tunnel Kiln Process Is there anyone who knows anything about the difficulties of this Process? And why these difficulties occur? For example:

  • SPONGE IRON PRODUCTION FROM ORE COAL COMPOSITE

    In the year 1908 use of tunnel kiln started for iron oxide reduction This process was invented by ESieurin as Hoganas process [3] In 1954, more kilns came in operation in SWEDEN and USA Presently it is more popular in China for sponge iron production from beneficiated iron ore fines cakes In this process, the material passes through

  • Sponge Iron Production Process Arij Trading

    Market share: About 23% of sponge iron total production 4) Tunnel furnace process This process is the oldest direct reduction method In this method, Thermal coal is mixed with iron ore as a reducing agent Natural gas generates the required reduction temperature, and reduction is performed on Silicon Carbide (SiC) Crucibles in a tunnel furnace

  • tunnel kiln process sponge iron

    tunnel kiln process of iron ore reduction Sponge iron production in tunnel kiln – Aramico Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines

  • tunnel kiln process for sponge iron

    tunnel kiln for sponge iron production production sponge iron through tunnel kiln process the production of value added products by melting of scrap or sponge iron or sui le mixture of irrespective of the products, during processing of steel to yield long or flat of the Get Price Tunnel Kiln Process Sponge Iron Sbm Crusher In Australia Tunnel kiln process sponge iron in south africa sponge

  • Sponge Iron Production From OreCoal Composite

    In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns The material bed in Tunnel kiln being stationary, it does not require high strength and thermal stability of the raw material This gives the opportunity for charging

  • sponge iron from iron concentrate tunnel kilns

    sponge iron from iron concentrate tunnel kilns (PDF) Production of Sponge Iron through Tunnel Kiln Process Production of Sponge Iron through Tunnel Kiln Process were focused on investigating effects of reduction temperature and time on the reduction dynamics of Nbbearing iron concentrate

  • tunnel kiln for sponge iron production in myanmar

    Tunnel Kiln – Electrotherm – Engineering Technologies Tunnel Kilns are comfortable with coal fines and mill scale Uniform product quality Production cost from Tunnel Kilns is lower than that from rotary kilns Extremely low on environmental pollution The Research Development team of Electrotherm has extensively worked upon this process of Sponge Iron making and we have successfully

  • SPONGE IRON PLANT

    The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and NonCoking coal Limestone, in small quantities, is also required to scavenge the sulphur IRON ORE The quality requirement of Sized ore for sponge iron production can be classified into: wwwspongeitc 2 1) Physical requirements: Strength and granulometry are the two

  • Iron Manufacturing process related to the specified

    Sponge iron powder The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron cake that is crushed, milled and magnetically separated from impurities The final reduction is made in a

  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A ROTARY KILN

    Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig 1) The feed is introduced together with reducing and desulphurizing agents (limestone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge iron Depending on its content of volatile matter, the coal is partly blown into the

  • Sponge Iron Production From OreCoal Composite

    In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns The material bed in Tunnel kiln being stationary, it does not require high strength and thermal stability of the raw material This gives the opportunity for charging

  • tunnel kiln process for sponge iron

    tunnel kiln for sponge iron production production sponge iron through tunnel kiln process the production of value added products by melting of scrap or sponge iron or sui le mixture of irrespective of the products, during processing of steel to yield long or flat of the Get Price Tunnel Kiln Process Sponge Iron Sbm Crusher In Australia Tunnel kiln process sponge iron in south africa sponge

  • CNA Tunnel kiln without exterior combustion

    The relates coalbase direct reduction process for sponge iron with different shape by tunnel kiln without outer combustion chamber and the combination comprises as shown in abstract figure: to iron concentrate, firing pellet, cooling or compacting; preparing the reducer; blending, loading into retort; entering the kiln; out the kiln; and sorting This invention enlarges kiln width up to more

  • Tunnel Kiln Process Sponge Iron Crusher

    Production Sponge Iron Through Tunnel Kiln Process Sponge iron production by tunnel kiln method was developed from 1911 as H gan s method in Sweden After many modifications now this process is a sufficient and effective method for sponge iron production The main advantage of tunnel kiln process is the possibility to build small plants with low investment costs which are feasible

  • USA Production of sponge iron Google Patents

    USA USA USA USA US A US A US A US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords kiln charge temperature iron sponge iron Prior art date Legal status (The legal status is an assumption and is not a

  • sponge iron process

    · In general sized iron ore of 518mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 1520%The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product The mean particle size ratio of iron ore to feed coal shall be in the range of 12 to 15 depending

  • A Thesis Submitted for Partial Fulfillment of the Degree

    33 Schematic of optimised Rotary kiln sponge iron making process 21 41 Industrial view of Sponge Iron making Rotary Kiln 24 42 Schematic view of internal heat exchange in Rotary kiln 26 43 Schematic view of Lobe Blower 27 44 Schematic view of Air & material flow in Rotary kiln 27 45 Filling of Bed Geometry 28 61 Schematic Drawing of discharge end of Kiln 38 62 2D & 3D model of Sponge

  • Detailed Project Report

    351 Manufacturing Process of Sponge Iron (DRI) 31 352 Manufacturing process of Pig Iron through Mini Blast Furnace 37 353 Process and Process Flow diagram of Iron Ore and other Mineral Ore Beneficaiton Plant 42 354 Process and Process Flow diagram of Coal Washery 49 355 Manufacturing process of reducing metallic mineral ore to metal power such as Iron Powder through Tunnel Kiln

  • Direct reduced iron Wikipedia

    Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) into iron by a reducing gas or elemental carbon produced from natural gas or coalMany ores are suitable for direct reduction Direct reduction refers to solidstate processes which reduce iron oxides to metallic iron at temperatures below the melting

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