use of fines for sponge iron crusher production in coal based rotary kiln

  • use of fines for sponge iron production in coal based

    coal based process , which cannot be easily fines from rotary kiln sponge iron plants in a use of high carbonaceous reductant (petroleum coke coal fines generated in sponge iron making fines generated in sponge iron making through coal chars generated in the rotary kiln / of the oven dried (dried for 1 hour) pellets

  • Use Of Fines For Sponge Iron Production In Coal Based

    New Concept Of Hot Metal Production Using Rotary Kiln, Therefore it is now a trend to install rotary kiln technology for production of sponge iron in indonesia due to direct utilization of bituminous coal besides rotary kiln based process some Use Of Fines For Sponge Iron Production In Coal Based Rotary Kiln

  • SPONGE IRON PLANT

    Coal based Direct reduction process is classified based on the reducing agent namely solid Most solid reduction process use noncoking coal as reducing agent due to abundantly available noncoking coal The process proposed to be adopted is the rotary kiln proposes using Noncoking coal and iron ore

  • 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 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

  • Coal based Direct Reduction Rotary Kiln Process – IspatGuru

    Feb 14, 2017  The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials The process has the advantage of low capital expenditure and no requirement of coking coal The metallic iron in this process is produced by the reduction of iron oxide below the fusion

  • brief process of coal based sponge iron rotary kiln

    use of fines for sponge iron production in coal based , Rotary Kiln Process of Making Sponge Iron New Age International The production of steel began in ancient times; but because of , The coal based rotary kiln process of making sponge iron is the , Fine coal Sponge iron Char Air Rotary kiln Thermocoupl Waste gas Coal Flux , Use of 6 to 20 mm iron ore is indicated

  • sponge iron process

    Jul 29, 2010  Lump iron ore in the size range of 520mm can be used in all coal based rotary kiln processes In gas based processes 70% iron ore pellets and 30% lump iron ore of 1030mm are being used In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln Reductant:

  • DRI UPDATE Sponge Iron Manufacturer India

    2 ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the RD for exploring the use of Syn Gas in the rotary kiln Mr T Srinivasa Rao, MD, Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose 3 Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showed

  • Sponge Iron an 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 The reduction takes place using gaseous reductants (CO + H

  • Sponge Iron Production By Direct Reduction Of Iron Oxide

    This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ‘directly reduced’ in the solidstate, using either natural gas or noncoking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron) This intermediate product is subsequently melted in electric arc furnaces or induction furnaces

    3/5(1)
  • A Thesis Submitted for Partial Fulfillment of the Degree

    requirement of sponge iron production Today India produce 139 million tons of sponge iron, out of which 42 million ton is gas based and remaining 97 million ton is coal based India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron

  • Effluent and Emission Standards for Sponge Iron Plant

    Sep 01, 2018  The Sponge Iron Plant are free to explore other options/ possibilities to use char for generation of power Char can be sold to local entrepreneurs for making coal briquettes It can also be mixed with coal fines, converted to briquettes and used in brick kilns The industry can explore other reuse/recycling techniques for char

  • why magnetite ore not used in coal based sponge iron

    Mechanism of Reduction of HematiteMagnetite Hollow 13 May 2020 Coalbased production of sponge iron offers a number of advantages such as the possibility of using noncoking coal and iron ore fines[1] and obviating in the reduction of iron oxide in the tunnel kiln process has not been

  • sponge iron process

    Jul 29, 2010  Lump iron ore in the size range of 520mm can be used in all coal based rotary kiln processes In gas based processes 70% iron ore pellets and 30% lump iron ore of 1030mm are being used In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln Reductant:

  • 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

  • Sponge Iron Production By Direct Reduction Of Iron Oxide

    This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ‘directly reduced’ in the solidstate, using either natural gas or noncoking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron) This intermediate product is subsequently melted in electric arc furnaces or induction furnaces

    3/5(1)
  • sponge iron process: 2010

    Jul 29, 2010  Lump iron ore in the size range of 520mm can be used in all coal based rotary kiln processes In gas based processes 70% iron ore pellets and 30% lump iron ore of 1030mm are being used In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln Reductant:

  • Process Description and flow diagram of Coal Based DRI Plant

    Aug 07, 2016  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 Raw material mixiron ore, dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is taken out from the other

  • Kiln Pinion Assembly For 100 Tpd Dri Coal Based Sponge

    Kiln Pinion assembly for 100 TPD DRI Coal Based Sponge Iron Plant rotary kiln 50 TPD 600 TPD Kiln Pinion complete assembly with bearing Kiln Pinion, Kiln Pinion shaft, Kiln Pinion plumber block or bearing blocks, Kiln Pinion end cover end plate, Kiln Pinion sleeves, Kiln Pinion labyrinth ring or oil seal, Kiln Pinion bush, Kiln Pinion bearings, ZKL / SKF / FAG / Chinese / KOYO etc Kiln

  • (PDF) i) Direct Reduced Iron: Production

    Mar 30, 2016  Around 03% of crude steel production is produced by the smelting reduction processes such as COREX The DRI processes are categorized in two groups based on the use

  • New Sponge Iron Rotary Kiln Design In Sponge Iron

    Sep 10, 2020  In the newly designed sponge iron rotary kiln system, a coarse coal branch pipe and fine coal branch pipe are added at the kiln head The original way of adding 100% coal at the kiln head is changed to 5070% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 3050% coal is added

  • Direct Reduced Iron Kiln / Sponge Iron Production Kiln

    Direct Reduced Iron Kiln / Sponge Iron Production Kiln / DRI Production Kiln Directreduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal

  • New Concept of Hot Metal Production using Rotary Kiln

    Therefore, it is now a trend to install rotary kiln technology for production of sponge iron in Indonesia due to direct utilization of bituminous coal Besides rotary kiln based process, some

  • A Case Study on Accretion Formation in Rotary Kiln of DRI

    Nov 13, 2020  In coalbased DRI process, accretion formation inside the rotary kiln is a genuine complex problem Accretion formation in a rotary kiln of 100 tpd DRI plant has been investigated The nature of accretion formation with respect to the charge burden and operational parameter have been discussed High ash content in the coal and excess use of dolomite lead to accretion formation

  • Simulation of Rotary Kiln Used in Sponge Iron Process

    The sponge iron is produced in the form of lumps as well as fines The production of sponge iron depends on metallization of iron ore Fig 1 Schematic of rotary kiln For the present work data of a typical industry of 527 T/day production capacity is collected for 25 days The data of temperature T1 to T12, AT1 to AT3 and MF1 and MF2 are

  • A Thesis Submitted for Partial Fulfillment of the Degree

    requirement of sponge iron production Today India produce 139 million tons of sponge iron, out of which 42 million ton is gas based and remaining 97 million ton is coal based India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron

  • Effluent and Emission Standards for Sponge Iron Plant

    Sep 01, 2018  The Sponge Iron Plant are free to explore other options/ possibilities to use char for generation of power Char can be sold to local entrepreneurs for making coal briquettes It can also be mixed with coal fines, converted to briquettes and used in brick kilns The industry can explore other reuse/recycling techniques for char

  • 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

  • Sponge Iron Production By Direct Reduction Of Iron Oxide

    This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ‘directly reduced’ in the solidstate, using either natural gas or noncoking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron) This intermediate product is subsequently melted in electric arc furnaces or induction furnaces

    3/5(1)
  • Process Description and flow diagram of Coal Based DRI Plant

    Aug 07, 2016  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 Raw material mixiron ore, dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is taken out from the other

  • sponge iron process: 2010

    Jul 29, 2010  Lump iron ore in the size range of 520mm can be used in all coal based rotary kiln processes In gas based processes 70% iron ore pellets and 30% lump iron ore of 1030mm are being used In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln Reductant:

  • A Case Study on Accretion Formation in Rotary Kiln of DRI

    Nov 13, 2020  In coalbased DRI process, accretion formation inside the rotary kiln is a genuine complex problem Accretion formation in a rotary kiln of 100 tpd DRI plant has been investigated The nature of accretion formation with respect to the charge burden and operational parameter have been discussed High ash content in the coal and excess use of dolomite lead to accretion formation

  • Direct Reduced Iron Kiln / Sponge Iron Production Kiln

    Direct Reduced Iron Kiln / Sponge Iron Production Kiln / DRI Production Kiln Directreduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal

  • (PDF) i) Direct Reduced Iron: Production

    Mar 30, 2016  Around 03% of crude steel production is produced by the smelting reduction processes such as COREX The DRI processes are categorized in two groups based on the use

  • CNA Production of sponge iron Google Patents

    The invention is about the producing method of the sponge iron The process is: (1) make the material into the double iron oxide ball; (2) put the double iron oxide ball and the reductant into the reaction tank to get the sponge iron ball mass; (3) put the mass into the thermal insulating flume to separate the reductant, to remove the C, S,O in the protection of the N2 or the H2 to produce the

  • Sponge Iron Production In Rotary Kiln By Sarangi Arabinda

    Sponge Iron Production In Rotary Kiln Pdf Sponge iron production in rotary kiln Gases cooled to around deg C at the WHRB discharge travel to pollution control equipment such as bag filters scrubber or electro static precipitator

  • tunnel kiln to make sponge iron in india using iron ore fines

    Dec 08, 2020  Sep 01, 2015 In conventional coal based sponge iron plant, Fig 1, kiln feed (Stream no 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK)A separate conveyor collects different size fractions of coal (Stream no 5) for injection into the kiln with the help of pressurized air (Stream no 4) from discharge

  • Processing coal to produce cokes by rotary kilnHenan

    Feb 14, 2017 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 The process has the advantage of low capital expenditure and no requirement of coking coal See more details

  • A Thesis Submitted for Partial Fulfillment of the Degree

    requirement of sponge iron production Today India produce 139 million tons of sponge iron, out of which 42 million ton is gas based and remaining 97 million ton is coal based India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron

  • Simulation of Rotary Kiln Used in Sponge Iron Process

    The sponge iron is produced in the form of lumps as well as fines The production of sponge iron depends on metallization of iron ore Fig 1 Schematic of rotary kiln For the present work data of a typical industry of 527 T/day production capacity is collected for 25 days The data of temperature T1 to T12, AT1 to AT3 and MF1 and MF2 are

  • Effluent and Emission Standards for Sponge Iron Plant

    Sep 01, 2018  The Sponge Iron Plant are free to explore other options/ possibilities to use char for generation of power Char can be sold to local entrepreneurs for making coal briquettes It can also be mixed with coal fines, converted to briquettes and used in brick kilns The industry can explore other reuse/recycling techniques for char

  • 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

  • Sponge Iron Production By Direct Reduction Of Iron Oxide

    This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ‘directly reduced’ in the solidstate, using either natural gas or noncoking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron) This intermediate product is subsequently melted in electric arc furnaces or induction furnaces

    3/5(1)
  • Process Description and flow diagram of Coal Based DRI Plant

    Aug 07, 2016  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 Raw material mixiron ore, dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is taken out from the other

  • CNA Production of sponge iron Google Patents

    The invention is about the producing method of the sponge iron The process is: (1) make the material into the double iron oxide ball; (2) put the double iron oxide ball and the reductant into the reaction tank to get the sponge iron ball mass; (3) put the mass into the thermal insulating flume to separate the reductant, to remove the C, S,O in the protection of the N2 or the H2 to produce the

  • sponge iron process: 2010

    Jul 29, 2010  Lump iron ore in the size range of 520mm can be used in all coal based rotary kiln processes In gas based processes 70% iron ore pellets and 30% lump iron ore of 1030mm are being used In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln Reductant:

  • A Case Study on Accretion Formation in Rotary Kiln of DRI

    Nov 13, 2020  In coalbased DRI process, accretion formation inside the rotary kiln is a genuine complex problem Accretion formation in a rotary kiln of 100 tpd DRI plant has been investigated The nature of accretion formation with respect to the charge burden and operational parameter have been discussed High ash content in the coal and excess use of dolomite lead to accretion formation

  • Direct Reduction Process an overview ScienceDirect Topics

    However in the coal/oilbased DR process, the reducing gas is generated from hydrocarbons (primarily coal, but sometimes oil and natural gas) in the reduction zone of the furnace, which is typically a rotary kiln Typical examples of the coalbased process include the SL/RN and ACCAR processes

  • Tunnel Kiln Coal Based DRI Plant, टनल किलन in Village

    Quality of sponge iron made by the Tunnel Kiln technology is superior as compared to that made from the rotary kilns because, while the input raw material gets just about 24hours for the reaction, the figures almost reverse in case of the Tunnel Kiln

  • Crusher In Sponge Iron Process

    coal based sponge iron process crusher in India Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times; but because of the complexity and slow speed of the ancient process, they could not be carried out on a very large scale process making sponge iron rotary kiln animation Coal

  • Accretion Control in Sponge Iron Production Kiln using

    This study focuses on sponge iron kiln based process The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of noncoking coal [Patra et al, (2005)] The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed A temperature

  • sponge iron production in rotary kiln stone crusher machine

    Jaw CrusherJaw Crusher High Quality To Making Sponge Iron Kiln For Calcining Sponge Iron Stone Crushing Equipment Rotary kiln for iron ore solution for ore mining sponge iron production by rotary kiln introduction sponge iron is a metallic product produced through reduction of iron ore in the solid state and direct reduction iron ore crusher mining equipments rotary kilns for sale the