dolomite in sponge iron process

  • Coal based Direct Reduction Rotary Kiln Process IspatGuru

    Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.

  • WELSPUN STEEL LIMITED

    Sponge iron manufacture is highly sensitive to raw material characteristics. Therefore, it is essential to examine the stone and physical characteristics of raw materials, both individually and in combination. The basic raw materials for the production of sponge iron are iron ore, non-coking coal and dolomite. Sizing of the Raw materials

  • Sponge Iron Composition & Manufacturing Process Lloyd's

    Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a ‘select’ grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in

  • advantages of limestone in sponge iron process

    dolomite in sponge iron process. Sponge Iron Composition Manufacturing Process Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a 'select' grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated

  • Limestone Used In Production Of Sponge Iron

    limestone ball mill for sponge iron plant. Limestone is used mainly in the iron, The production of iron or steel is a process, Open hearth steel-making means the pig iron, more iron ore and limestone [Chat Online] Limestone Used In Production Of Sponge Iron The process of manufacturing sponge iron or DRI is known as DR process Liquid hot metal and solid pig iron would also be .

  • SPONGE IRON PLANT

    The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron

  • Sponge Iron Prakash Industries Limited

    Sponge iron is a highly processed form of iron ore which contains metallic iron in the range of 83-88% obtained by direct reduction without melting it. Due to high porosity, the resulting iron is called sponge iron. It is used as a raw material for manufacturing steel

  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

    1. Krupp Sponge Iron Process The Krupp. 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

  • Energy Audit Methodology of Sponge Iron Manufacturing

    Jul 14, 2014· Most of the plants in India use DRI process—a solid state direct reduction process by which iron ore is reduced to sponge without phase change (Figure 1). Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary

  • sponge iron process

    Jul 29, 2010· The sulphur content in sponge iron is controlled by adding 1-6mm of limestone/dolomite along with feed materials which picks up sulphur from the coal preventing the sulphur pick up in sponge iron. the sulphur content in sponge iron can be controlled in the range 0.012 to 0,025%

  • Dolomite Its Processing and Application in Iron and

    Jun 28, 2017· Fig 1 Uses and form of dolomite in iron and steel industry. Processing of dolomite. (DRI) by the rotary kiln process, dolomite is used as a desulphurizing agent. Raw dolomite is used in the size range of 4 mm to 8 mm. The second major use of dolomite is in steelmaking. In steelmaking dolomite is used both as a fluxing material and also as a

  • advantages of limestone in sponge iron process

    dolomite in sponge iron process. Sponge Iron Composition Manufacturing Process Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a 'select' grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated

  • is limestone used in the production of sponge iron

    sponge iron process. Jul 29, 2010· The sulphur content in sponge iron is controlled by adding 1-6mm of limestone/dolomite along with feed materials which picks up sulphur from the coal preventing the sulphur pick up in sponge iron. the sulphur content in sponge iron can be controlled in

  • Sponge iron making full process_Coal base DRI YouTube

    Dec 24, 2018· Direct reduced iron (DRI), also called sponge iron,[1] is produced from the direct reductionof iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon

  • Sponge iron rotary kiln process Anti-Corruption Helpline

    Sponge Iron Composition Manufacturing Process Lloy. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product

  • DRI Plant Sponge Iron Manufacturers & Iron Ore Mining in

    It has now become one of the biggest Sponge Iron manufacturers in Vidarbha region of Maharashtra. The major raw materials required for production of Sponge Iron by using Rotary Kiln Process are sized iron ore and Non-coking coal. Dolomite / limestone in small quantities is also required as de-sulphurizing agent to control sulphur in the sponge

  • Raw Materials Tata Steel Long Products Limited

    The basic raw materials for the production of sponge iron are iron ore, non-coking coal and dolomite. Several tests are conducted in the company laboratory to ascertain their suitability in a rotary kiln.A state-of-the-art modern R&D facility has been established along with a stone laboratory to conduct the monitoring process.

  • Sponge iron making process LinkedIn SlideShare

    Nov 09, 2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 DOLOMITE • MgO = 20 % • CaO = 28 % min • SiO2= 5 % max stone Composition • Size = 2-6 mm Physical Composition 5. PRIMARY AIR Primary air is used to combustion the injection coal Temperature in used below 950 C 6.

  • sponge iron process: 2010

    Jul 29, 2010· The sulphur content in sponge iron is controlled by adding 1-6mm of limestone/dolomite along with feed materials which picks up sulphur from the coal preventing the sulphur pick up in sponge iron. the sulphur content in sponge iron can be controlled in the range 0.012 to 0,025%

  • MGM

    The basic raw materials for the production of sponge iron are iron ore, non coking coal and dolomite. Iron Ore: Iron ore is the source of iron and available in oxide form namely hematite(Fe2O3). As only oxygen can be removed from the iron ore during the process of making sponge iron iron,ores rich in iron content of 65percent and above is

  • rotary kiln process of making sponge iron

    Sponge iron rotary kiln process Anti-Corruption Helpline. Sponge Iron Composition Manufacturing Process Lloy. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically

  • Sponge Iron Manufacturing Process Pdf mining machine

    The main function of making Sponge Iron in the Kiln is to convert Iron ore into sp onge iron by using Iron ore coal and dolomite These Sponge Iron processed further for making liquid metal at MBF SMS The entire process of making Sponge Iron is associated with various Safety hazards. Read More

  • ORISSA SPONGE IRON AND STEEL LTD.

    Plant facilities: Sponge Iron Plant. The main plant consists of a 4 mtr. Dia x 84 mtr. Long ported rotary kin (DR 1) and 4.8 mtr. Dia x 84 mtr.long ported rotary kin (DR 2) equipped with air injection system to provide for generation of necessary heat and reducing atmosphere required for the process.

  • Shah Sponge & Power Limited, Jamshedpur Manufacturer of

    Manufacturer of Dolomite Stone And Quartz, Pig Iron & Sponge Iron offered by Shah Sponge & Power Limited from Jamshedpur, Jharkhand, India. a source of magnesium oxide and in the pidgeon process for the production of magnesium. It is an important petroleum reservoir rock, and serves as the host rock for large strata-bound mississippi valley

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