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Use of fines for sponge iron production in coal based rotary kiln

Use of fines for sponge iron production in coal based rotary kiln

Mar 16 2013 · In a coal based plant the reactor for the reduction reaction is a inclined horizontal rotary kiln In this kiln both coal and the iron ore feed material is charged from the same end of the kiln During the movement of feed material forward the oxidation reaction of carbon in coal and reduction reaction of CO gas is carefully balanced

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  • Sponge Iron Production From OreCoal Composite Pellets

    Sponge Iron Production From OreCoal Composite Pellets

    Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking coal However Rotary kiln process suffers from serious limitations like low productivity and pollution 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

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  • Direct Reduced Iron Wikipedia

    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 to iron by a reducing gas or elemental carbon produced from natural gas or coal Many ores are suitable for direct reduction

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  • Rotary Kiln Process Of Making Sponge Iron Solution For

    Rotary Kiln Process Of Making Sponge Iron Solution For

    Nov 12 2012Sponge iron production by Rotary Kiln VEBSAR for a rotary kiln coal based sponge iron manufacturing process to be successful it is absolutely 8122424015 9788122424010 Advances Rotary Kiln Sponge Iron Plant Role of Coal in Rotary Kiln Sponge Iron Making Process 6 Quantity of Protective Char 7 Reduction of Iron Oxide 8

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  • Flow Of Materials In Rotary Kilns Used For Sponge Iron

    Flow Of Materials In Rotary Kilns Used For Sponge Iron

    Abstract Looking forward to the need of developing coalbased sponge iron technology in India a country having no significant resources of either coking coal or natural gas the Research and Development Division of the Tata Iron and Steel Company Limited TISCO set up a rotary kiln based direct reduction pilot plant in 1975

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  • Conversion Of Sponge Iron From Low Grade Iron Ore

    Conversion Of Sponge Iron From Low Grade Iron Ore

    Rotary Kiln method is very important for sponge iron production using noncoking coal as a reluctant The Iron ore is charged from one end with noncoking coal which is in the lump form or pellets and heated from the other end thus carrying counter current movement of raw materials and gases The reduced ore es out as product from opposite end During reduction the rotary movement of the kiln requires

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  • Process For Making Sponge Copper Powder India For Sale Price

    Process For Making Sponge Copper Powder India For Sale Price

    Use of fines for sponge iron production in coal based process for making sponge copper powder india for sale price Iron The coal based rotary kiln process of making sponge in a rotary

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  • What Is The Process For Producing Sponge Iron In Coal

    What Is The Process For Producing Sponge Iron In Coal

    What is the process for producing sponge iron in coal based rotary kiln process quantitatively sponge iron production is continuous process sponge iron production is continuous process

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  • COAL BASED SPONGE IRON PLANT

    COAL BASED SPONGE IRON PLANT

    Use of iron ore fines slimes etc and now use of syn gas coal gasification for DRI production in JSPLs Angul Project Orissa ALTERNATE IRON MAKING KEY DRIVER FOR INDIAS FUTURE STEEL GROWTH T H A N K S Title COAL BASED SPONGE IRON PLANT

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  • Cold Bonded Orecoal Posite Pellets For Sponge

    Cold Bonded Orecoal Posite Pellets For Sponge

    AbstractThere is a need for the development of efficient industrial processes to use iron ore fines of high grade Attention is particularly drawn to rotary kiln sponge ironmaking technology using lump iron ore where productivity is low and energy consumption high pared with gas based processes

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  • Rotary Kiln Process Of Making Sponge Iron

    Rotary Kiln Process Of Making Sponge Iron

    Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a select grade 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

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  • Direct Reduced Iron Kiln Sponge Iron Production Kiln

    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

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  • Rotary Kiln Wikipedia

    Rotary Kiln Wikipedia

    Heat exchange in a rotary kiln may be by conduction convection and radiation in descending order of efficiency In lowtemperature processes and in the cooler parts of long kilns lacking preheaters the kiln is often furnished with internal heat exchangers to encourage heat exchange between the

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  • Modeling Of Pulverized Coal Combustion In Cement Rotary Kiln

    Modeling Of Pulverized Coal Combustion In Cement Rotary Kiln

    Sep 06 2006In this paper based on analysis of the chemical and physical processes of clinker formation a heat flux function was introduced to take account of the thermal effect of clinker formation Combining the models of gassolid flow heat and mass transfer and pulverized coal bustion a set of mathematical models for a fullscale cement rotary kiln were established

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  • Tunnel Kiln Electrotherm Engineering Technologies

    Tunnel Kiln Electrotherm Engineering Technologies

    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 produced sponge iron from our 25TPD Tunnel Kiln at our steel making plex at Samakhyali Kutch

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  • Coal Based Sponge Iron Making Process  BINQ Mining

    Coal Based Sponge Iron Making Process BINQ Mining

    Nov 18 2012The petitive quality and pricing of our coal based sponge iron are creating benchmarks for our market petitors More detailed Rotary Kiln Process of Making Sponge Iron Rotary Kiln Process of Making Sponge Iron 21 HISTORICAL BACKGROUND Production of Sponge Iron through Tunnel Kiln Process

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  • PDF I Direct Reduced Iron Production

    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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  • Free Download Sponge Iron Production In Rotary Kiln Book

    Free Download Sponge Iron Production In Rotary Kiln Book

    Nov 12 2012use of fines for sponge iron production in coal based rotary kiln Sponge Iron Production in Rotary Kiln Google Books Result Coal Based Sponge Iron Industry Free download as PDF File Word Doc More detailed

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  • Coal Gas Based DRI Plant Sponge Iron Plant

    Coal Gas Based DRI Plant Sponge Iron Plant

    Manufacturer of Coal Gas based DRI Plant Sponge Iron Plant Coal Based DRI Plant Gas Based HYL DRI Plant and Rotary Kiln for Making Sponge Iron offered by Remso Control Technologies Private Limited Greater Noida Uttar Pradesh

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  • Iron OreMetallurgy Chemical Sponge Iron Rotary Kiln For

    Iron OreMetallurgy Chemical Sponge Iron Rotary Kiln For

    Iron Ore Metallurgy Chemical Sponge Iron Rotary Kiln for Sponge Iron Production Plant Introduction 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

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  • ENERGY INTEGRATION IN SPONGE IRON PLANT

    ENERGY INTEGRATION IN SPONGE IRON PLANT

    Sponge iron is mainly produced from iron ore by two different routes a by reducing gases CO and H 2 in a shaft furnace and b through direct treatment with coal in a rotary kiln The conventional route for making steel consists of sintering or pelletization plants

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  • Sponge Iron Composition Manufacturing Process

    Sponge Iron Composition Manufacturing Process

    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 bunkers prior to dispatch

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  • Use Of Anthracite Coal In Sponge Iron Kiln

    Use Of Anthracite Coal In Sponge Iron Kiln

    Coal briquetting procesS used in sponge iron plant Use Of Fines For Sponge Iron Production In Coal Based Rotary use of fines for sponge iron production in coal based rotary kiln The coal based rotary kiln process of making sponge iron is the focus of the present write up Chat With Sales A study on the accretion formation in DRI kilns and

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  • Coal Fines Burner For Rotary Kiln

    Coal Fines Burner For Rotary Kiln

    CASE provides gasifier technology for DRI rotary kiln replacement of coal fines used in Rotary Kiln to coal gas The technology for Sponge Iron plant is now viable with roughly 20MT of coal saving for 100 TPD Plant in a day

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  • Study On Accretion Formation On DRI Kiln During

    Study On Accretion Formation On DRI Kiln During

    12 Rotary Kiln Operation Generally in any sponge iron process reduction is conducted in a refractory lined rotary kiln The kiln of suitable size generally inclined at 25 slope rest on two four support stations depending on the kiln size

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  • Recovery And Utilization Of Waste Heat In A Coal Based

    Recovery And Utilization Of Waste Heat In A Coal Based

    In the sponge iron production serves as the motivation of the present research work to propose some better alternative than waste heat recovery boiler to utilize waste heat Along with the energyaspectthepresentworkalsoconsidersbetterutilization of water 2 Coalbased sponge iron process The process of the direct reduction of haematite in a rotary kiln

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  • SPONGE IRON PRODUCTION FROM ORE COAL

    SPONGE IRON PRODUCTION FROM ORE COAL

    Rotary kiln process using calibrated ore and non coking coal However Rotary kiln process suffers from serious limitations like low productivity and pollution 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

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  • Modelling And Optimization Of A Rotary Kiln Direct

    Modelling And Optimization Of A Rotary Kiln Direct

    Illustrative examples are included for the case of a generic rotary kiln ironore reduction process Rotary kiln model Kiln modelling consists of two steps An Excelbased calculation is used to determine the kiln bed profile and residence time based on specific operating conditions and the kiln configuration followed by a calculation of the

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  • Sponge Iron Making Process SlideShare

    Sponge Iron Making Process SlideShare

    Nov 09 2014Sponge iron making process 6 SECONDARY AIR Secondary air is introduced axially in the direction of the gas flow The air supplied to the length of the kiln is metered for close control of temperature and gas atmosphere in the kiln Heating zone extends from 25 to 40 along length of the kiln and in the reduction zone

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  • WELSPUN STEEL LIMITED

    WELSPUN STEEL LIMITED

    For the direct reduction of iron ore the main furnace used is rotary kiln The rotary kiln is the refractory lined cylindrical vessel on which blowers are mounted the air pipes to provide bustion air to the inside of the kiln During lite up there is a start up burner at the kiln discharge end which is oil fired to heat up the rotary kiln To ignite the injected coal from outlet of the kiln

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  • A Study On The Accretion Formation In DRI Kilns And

    A Study On The Accretion Formation In DRI Kilns And

    Of a processing plant determines the type of control strategy to be implemented Sponge iron production process requires accurate monitoring and control of the process parameters The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings Accretion build up is the

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  • Sponge Iron An Overview ScienceDirect Topics

    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 8001200 C Iron oxide is charged into shaft furnace rotary kiln or fluidized beds

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  • Rotary Kiln Electrotherm Engineering Technologies

    Rotary Kiln Electrotherm Engineering Technologies

    Coal Based Rotary Kiln for Direct Reduced Iron Sponge Iron 100 TPD 350 TPD 500 TPD Solid state reduction of Iron Ore using either coalgas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron DRI

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  • Brief Process Of Coal Based Sponge Iron Rotary Kiln

    Brief Process Of Coal Based Sponge Iron Rotary Kiln

    Brief Process Of Coal Based Sponge Iron Rotary Kiln 2 D Model of Sponge Iron Rotary Kiln Developed variation in mass fraction of Fe content in kiln outlet stream is observed based on kiln which consists of iron ore coal rotary kiln of sponge iron process Get Price And Support Online A Thesis Submitted for Partial Fulfillment of the

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  • Simulation Of Rotary Kiln Used In Sponge Iron Process

    Simulation Of Rotary Kiln Used In Sponge Iron Process

    Along the length of the kiln To produce sponge iron iron ore and coal are used as raw material In the kiln coal is injected from feed side which is called feed coal as well as discharge side which is called injected coal Injected coal is fed as fines medium and coarse coal pnmatically however feed coal is fed as coarse coal This is due to

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  • A Thesis Submitted For Partial Fulfillment Of The

    A Thesis Submitted For Partial Fulfillment Of The

    There are some key features which makes kiln based process different from other practiced sponge iron production A sealed environment prevents external air to get into the system Throwing or slinging of a coal stream into the kiln from the discharge end

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  • Direct Reduced Iron And Its Production Processes IspatGuru

    Direct Reduced Iron And Its Production Processes IspatGuru

    Mar 16 2013In a coal based plant the reactor for the reduction reaction is a inclined horizontal rotary kiln In this kiln both coal and the iron ore feed material is charged from the same end of the kiln During the movement of feed material forward the oxidation reaction of carbon in coal and reduction reaction of CO gas is carefully balanced

    See Details >