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Rotary Kiln Process Of Making Sponge Iron C Journal

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.

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  • Dri Update

    Dri Update

    2 ed sima requested the participants to volunteer to spare their rotary kiln for carrying out the rampd 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

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  • 2 D Model Of Sponge Iron Rotary Kiln Developed Using

    2 D Model Of Sponge Iron Rotary Kiln Developed Using

    2ii rotary kiln operation and construction details a schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in fig 1 the rotary kiln consists of a rotating cylindrical shell lined inside with refractory material the kiln is around 80 m long with 4

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  • A Thesis Submitted For Partial Fulfillment Of The

    A Thesis Submitted For Partial Fulfillment Of The

    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 amp material flow in rotary kiln 27 45 filling of bed geometry

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  • Study On Air Tubes Failure In Sponge Iron Rotary Kiln

    Study On Air Tubes Failure In Sponge Iron Rotary Kiln

    Abstract the rotary kiln process is a commonly practiced method in the industry for producing sponge iron using coal in the industry there have been recent reports of premature failures of certain air tubes in a rotary kiln most of those cases have concentrated on those air tubes

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  • Recovery And Utilization Of Waste Heat In A Coal Based

    Recovery And Utilization Of Waste Heat In A Coal Based

    All at 30 c air coal at 30 c rotary kiln c kiln air at 30 c flue gas fly ash fines of iron ore at 900 oc kiln feeding iron ore feed coal dolomite all at 30 c rotary cooler sponge iron magnetic at 110 oc water at 30 oc dsc 900 c c dust abc air whrb waste gas water esp dust wet scraper waste gas dusty gas chimney steam water

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  • pdf Spontaneous Burning Of Sponge Iron

    pdf Spontaneous Burning Of Sponge Iron

    As touched upon earlier sponge iron is mainly produced from ore by two different routes a by reducing gases co and h 2 in a shaft furnace b through direct treatment with coal in a rotary kilnsponge ironsponge iron is the metallic product formed by the reduction removal of oxygen of iron ore at temperature below the fusion point of

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  • Some Studies On Energy Savings In Sponge Iron Plants

    Some Studies On Energy Savings In Sponge Iron Plants

    Aug 29 simulation of combustion and thermalflow inside a petroleum coke rotary calcining kiln—part i process review and modeling j thermal sci eng appl june performance improvements in cookertop gas burners for small aspect ratio

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  • Sponge Iron

    Sponge Iron

    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– 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

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  • Sponge Iron  Iron

    Sponge Iron Iron

    Gasbased process this process utilizes natural gas as the reducing agent natural gas is reformed to enrich with h2 and co mixture and this enriched and reformed gas mixture is preheated in gasbased process a vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron

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  • Modelling And Optimization Of A Rotary Kiln Direct

    Modelling And Optimization Of A Rotary Kiln Direct

    Hp kritzinger and tc kingsley 51 modelling and optimization of a rotary kiln direct reduction process hp kritzinger and tc kingsley hatch goba rotary kilns are used for a variety of mineral processing operations hatch makes use of a kiln model developed from first principles to evaluate designs for its clients this tool

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  • Sponge Iron Production From Ore

    Sponge Iron Production From Ore

    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

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  • Energy Integration In Sponge Iron Plant

    Energy Integration In Sponge Iron Plant

    In the present work a system is designed to integrate the heat of waste gas in the sponge iron process for this purpose a case study of typical sponge iron production process is considered waste gas from the rotary kiln of the sponge iron plant exits at a temperature around 900

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  • Development Of Energy Conservations Scenarios For Sponge

    Development Of Energy Conservations Scenarios For Sponge

    Jan 16 this paper presents an approach to find the best modification in the coalbased sponge iron process with an aim to integrate energy in it for this purpose a few energy conservation cases are formulated by integrating unutilized energy present in possible areas of process flow sheet when unutilized energy of the process is properly integrated energy demand from outside sources can be

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  • Energy Audit Methodology Of Sponge Iron

    Energy Audit Methodology Of Sponge Iron

    Jul 14 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 mixiron 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

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  • Sponge Iron Process

    Sponge Iron Process

    Jul 29 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 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

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  • Modeling Of Rotary Cement Kilns Applications To Reduction

    Modeling Of Rotary Cement Kilns Applications To Reduction

    Mar 01 rotary cement kilns are used for converting calcineous raw meal into cement clinkers in this paper we discuss and evaluate possible ways of reducing energy consumption in rotary cement kilns a comprehensive onedimensional model was developed to simulate complex processes occurring in rotary cement kilns a modeling strategy comprising three submodels viz a model for simulating

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  • Iron Process

    Iron Process

    Rotary kiln process of making sponge iron c rotary kiln process of making sponge iron 21 historical background the production of steel began in ancient times but because of the complexity and slow emerging technologies for iron and steelmaking tms figure 3 evolution of steel by process from to

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  • Simulation Of Rotary Kiln Used In Sponge Iron Process

    Simulation Of Rotary Kiln Used In Sponge Iron Process

    Simulation of rotary kiln used in sponge iron process using ann iacsit international journal of engineering and technology vol 6 no 2 april doi ijetv 95 abstract—in the present study estimation of actual output parameters is carried out for a sponge iron production

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  • Sponge Iron Plant

    Sponge Iron Plant

    Sponge iron being magnetic gets attracted and gets separated from non magnetic char the iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in predetermined ratio the rotary kiln is slightly inclined at an angle 25 deg and rotated

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  • International Journal Of Engineering Sciences

    International Journal Of Engineering Sciences

    Sponge iron making through coal route 2 rotary kiln reactor both ported and imported ones are being predominantly used for coal based sponge iron making in india 3 although the process can handle a wide variety of raw materials yet it is very sensitive to raw material characteristics

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  • Extract More Sponge Iron To Boost Steel Production Jobs

    Extract More Sponge Iron To Boost Steel Production Jobs

    Such coal based sponge iron making from iron ore is popular both in india and china however in the world almost 80 of sponge iron is being produced by gas based dr

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  • Coal Based Direct Reduction Rotary Kiln Process – Ispatguru

    Coal Based Direct Reduction Rotary Kiln Process – Ispatguru

    The process of direct reduction is carried out in a rotary kiln where the operating temperatures are maintained in a range from deg c to deg c the product of the kiln dri and char mix is then cooled in a rotary cooler with external water cooling

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  • Accretion Control In Sponge Iron Production Kiln

    Accretion Control In Sponge Iron Production Kiln

    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 the reduction process is carried out in an inclined horizontal rotary kiln which rotates at a programmed

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  • Sponge Iron By Tunnel Process In South Africa

    Sponge Iron By Tunnel Process In South Africa

    Tunnel kiln process for sponge iron making can we use magnetite ore for dri tunnel kiln process sponge iron tunnel kiln process of iron ore reduction low grade iron ore fines can be utilized and further processing of produced hot of rotary hearth furnace

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  • Direct Reduced Iron Industry In India — Problems And

    Direct Reduced Iron Industry In India — Problems And

    The quality requirements for the rotary kiln sponge iron process the sponge iron fines generation is high and ranges from 15 — 30 depending upon the ore used due to high reduction degradation this will not only reduce the sales realization of the product but also will lead to accretion formation in the kiln shortening the campaign

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