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sponge iron making process

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  • DRI UPDATESponge Iron Manufacturer India

    during the steel making through the induction furnace route. given to the sponge iron industry in the National Steel Policy 2017 which envisages the need to • Use of MATLAB for better prediction of process parameters.

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  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

    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 de-sulphurizing agents (lime- stone or raw dolomite) into an inclined rotary kiln heated counter current to the flow of hot gas and reduced to form sponge iron.

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  • Environmental Control Measures in Sponge Iron Industry

    Iron ore is converted into sponge iron in solid state condition during the processing following are the generation of waste and dust Waste gases containing minute dust particles. Non magnetics usually referred to as char. Dust generation during handling of raw materials and product in the circuits.

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  • USAProcess of making steel by melting sponge

    Sponge iron produced by direct reduction is melted in an electric arc furnace in which a pool of liquid metal is maintained. To ensure that liquid carbon-containing iron for forming the pool is available in adequate quantities and that the process can be carried out with the highest possible economy the sponge iron is reacted in an electric arc furnace on a bath of liquid carbon-containing

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  • (PDF) i) Direct Reduced Iron Production

    This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting point are generally classified as DR

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  • Direct reduced iron processtec-science

    In the electric steel process the sponge iron obtained from the direct reduced iron process is used for crude steel making. In general scrap is also added to this process as well as pig iron from the blast furnace process. These components are then mixed in a special oven.

    Get Price
  • DRI UPDATESponge Iron Manufacturer India

    during the steel making through the induction furnace route. given to the sponge iron industry in the National Steel Policy 2017 which envisages the need to • Use of MATLAB for better prediction of process parameters.

    Get Price
  • sponge iron process

    Jul 29 2010 · In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with 16mm not exceeding 15-20 .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.

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  • CACProcess for the production of pig iron and

    A process for producing pig iron is described which contains a reducing shaft furnace 1 and a melting gasifier 2. The sponge iron produced from iron ores in the reducing shaft furnace is supplied to the melting gasifier and converted there into a pig iron melt. The gas produced in the melting gasifier is supplied directly via a line 4 as reducing gas to the reducing shaft furnace.

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  • Direct Reduced Iron and its Production ProcessesIspatGuru

    Mar 16 2013 · Processes which produce DRI by reduction of iron ore below the melting point of the iron are normally known as the direct reduction (DR) processes. The reducing agents are carbon monoxide (CO) and hydrogen (H2) coming from reformed natural gas syngas or coal. Iron ore is used mostly in pellet and/or lumpy form.

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  • Iron Sponge Unit Design Procedures Hydrocarbon Compression

    Sep 19 2009 · Iron Sponge Unit Design Procedures. The iron-sponge process generally uses a single vessel to contain the hydrated ferric oxide wood shavings. A drawing of an iron-sponge unit showing typical provisions for internal and external design requirements was presented in Figure 7-3. The inlet gas line should have taps for gas sampling temperature

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  • Sponge iron Manufacturing processAzerbaijan Simurgh

    Sponge iron is a metal product that is produced by a direct reduction of iron ore in solid-state. Sponge iron is a good alternative to waste and is mainly used in the manufacture of steel via secondary routes. The process of making sponge iron occurs by removing oxygen from the iron ore.

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  • Convert your sponge iron plant into a cast iron plant and

    Schematic views of the existing rotary kiln for making sponge iron the proposed addition of MAGMA for making pig iron are given belowAdvantages of converting a sponge iron plant into a pig iron plant areAny grade of iron ore (55-63 Fe) and any size of iron ore and coal (3-20 mm) can be used in MAGMA. South African / Australian

    Get Price
  • Direct reduced iron processtec-science

    In the direct-reduced iron (DRI) process the iron ores are reduced directly to sponge iron by gaseous reducing agents Electro-steel process. In the electric steel process the sponge iron obtained from the direct reduced iron process is used for crude steel making. In general scrap is also added to this process as well as pig iron from the

    Get Price
  • Sponge iron (DRI HBI) briquette making and the

    Mar 16 2020 · Sponge iron/DRI has gained great prominence in some countries as a substitute of steel scrap (partially) in steel making in electric arc furnace and in induction furnace. Direct Reduction is a metallurgical process of producing sponge iron from iron oxides (mainly from lump iron ores or pellets) directly in the solid phase.

    Get Price
  • Corex Process in Iron MakingSlideShare

    Accordingly a Corex plant has shaft unit where iron ore pellets (with or without some closely sized lump ore) is reduced by gases emanating from the second unit to make hot sponge iron (first stage).

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  • Biochar in the Höganäs sponge iron processtechno

    utilization in the production of sponge iron by reduction of magnetite ore concentrate. The sponge iron process was created in 1910 by Sven Emil Sieurin and is a solid-state reduction process with a fine iron powder as the end product (Nationalencyklopedin 2018). Today the sponge iron process

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  • PRODUCTION OF IRON AND STEEL POWDERS

    Höganäs sponge-iron process and the water-atomizing process. The former process is based on reduction of iron ore yielding a highly porous sponge-iron which subsequently is comminuted to powder. The latter process is based on atomization of a stream of liquid iron (or steel) by means of a jet of pressurized water. Both processes will be

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  • Accretion Control in Sponge Iron Production Kiln using

    The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal Patra et al (2005) . The reduction process is carried out in an inclined horizontal rotary kiln which rotates at a programmed speed. A

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  • IS 15774 (2007) Sponge Iron/Directed Reduced Iron (DRI

    This standard has been formulated by amalgamating IS 10812 1992 Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making IS 13839 1993 Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making and IS 13905 1993 Hot briquette sponge iron (HBI) for steel making .

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  • PRODUCTION OF IRON AND STEEL POWDERS

    Höganäs sponge-iron process and the water-atomizing process. The former process is based on reduction of iron ore yielding a highly porous sponge-iron which subsequently is comminuted to powder. The latter process is based on atomization of a stream of liquid iron (or steel) by means of a jet of pressurized water. Both processes will be

    Get Price
  • Sponge iron (DRI HBI) briquette making and the

    Mar 16 2020 · Sponge iron/DRI has gained great prominence in some countries as a substitute of steel scrap (partially) in steel making in electric arc furnace and in induction furnace. Direct Reduction is a metallurgical process of producing sponge iron from iron oxides (mainly from lump iron ores or pellets) directly in the solid phase.

    Get Price
  • Direct reduced iron processtec-science

    In the electric steel process the sponge iron obtained from the direct reduced iron process is used for crude steel making. In general scrap is also added to this process as well as pig iron from the blast furnace process. These components are then mixed in a special oven.

    Get Price
  • How sponge is madematerial manufacture making used

    The sponge block is then soaked in a vat of bleach. This removes dirt and impurities and also brightens the color. Next the sponge is cleaned in water. Additional washings alter the texture making the sponge more pliable. The sponge is left to dry to prepare it for cutting.

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  • Convert your sponge iron plant into a cast iron plant and

    Schematic views of the existing rotary kiln for making sponge iron the proposed addition of MAGMA for making pig iron are given belowAdvantages of converting a sponge iron plant into a pig iron plant areAny grade of iron ore (55-63 Fe) and any size of iron ore and coal (3-20 mm) can be used in MAGMA. South African / Australian

    Get Price
  • Sponge iron making processSlideShare

    Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2. IRON ORE • Iron = 65-67 • SiO2 Al2O3 = 2-3 • CaO MgO = 0 5-1 • Sulphur = 0 02 max • Phosphorus = 0 04 3. COAL • Fixed Carbon = 45 • Volatile Matter = 25-30 • Ash = 20 • Moisture = 8 Chemical Composition

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  • IS 15774 (2007) Sponge Iron/Directed Reduced Iron (DRI

    This standard has been formulated by amalgamating IS 10812 1992 Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making IS 13839 1993 Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making and IS 13905 1993 Hot briquette sponge iron (HBI) for steel making .

    Get Price
  • CACProcess for the production of pig iron and

    A process for producing pig iron is described which contains a reducing shaft furnace 1 and a melting gasifier 2. The sponge iron produced from iron ores in the reducing shaft furnace is supplied to the melting gasifier and converted there into a pig iron melt. The gas produced in the melting gasifier is supplied directly via a line 4 as reducing gas to the reducing shaft furnace.

    Get Price
  • Sponge Ironan overview ScienceDirect Topics

    DRI also known as sponge iron is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace rotary kiln or fluidized beds in the form of pellet iron ore lumps or fines.

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