• Sponge Iron Production in Rotary Kiln

     · The increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production ...

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  • sponge iron process

     · In general the gangue content in sponge iron varies from 4% to 8% . Carbon content: The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to 2.0% based on requirement for steel making.

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  • Direct Reduced Iron and its Production Processes – IspatGuru

     · Fig 2 Principle of direct reduction process. Gas based process. In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation.

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  • Buy Sponge Iron Production in Rotary Kiln Book Online at ...

     · This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production, commercially used DR (direct reduction) processes and physico-chemical principles of sponge iron production.

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  • New Sponge Iron Rotary Kiln Design In Sponge Iron ...

     · 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 coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln …

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  • rotary kiln process of making sponge iron | Solution for ...

    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. Sponge iron production by Rotary Kiln – VEBSAR. Sponge iron production by Rotary Kiln . Introduction. … Various rotary kiln ...

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  • Sponge Iron – Prakash Industries Limited

    These are the measures that have helped the company move at faster growth rate with significant reduction in the cost of production. Being an integrated Steel and Power Company, the company has used the high quality Sponge Iron produced in the Sponge Iron Kilns for its …

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  • Super Refractories

    GAS BASED SPONGE IRON ROTARY KILN. Application. Recommended Products. BUSTLE PORT. CUMILOX 201 HF. REACTOR HOT FACE LINING. CUMILOX K313W. REACTOR BACK UP. CUMILAC 29.

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  • Rotary Kiln with SL/RN Process

    Rotary Kiln with SL/RN Process. Rotary Kiln with SL/RN Process. Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas 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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  • 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 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production …

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  • Direct reduced iron

    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) into iron by a reducing gas or elemental carbon produced from natural gas or coal.Many ores are suitable for direct reduction. Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting ...

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  • Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati ...

     · This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production, commercially used DR (direct reduction) processes and physico-chemical principles of sponge iron production.

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  • 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 ...

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  • Sponge Iron Production Process

    Sponge iron production process discussed herein are selected from known methods of which the references are available and referable. We look at the 4 different methods of producing sponge iron: Midrex process. HYL process (4th generation) or Energiron. SL / RN process. Tunnel furnace process.

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  • DRI UPDATE

    2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the R&D 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

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  • CASE STUDY ON THRESHOLD PROBLEM Sponge Iron …

    Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity. The process flow diagram (PFD) of the sponge iron process is shown in Fig. 1. ... Kiln Feeding G-S HX Sponge iron At 110 C DSC

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  • Accretion Control in Sponge Iron Production Kiln using ...

    2 KILN BASED SPONGE IRON PRODUCTION PROCESS Rotary kilns are found in many processes that involve processing of solids. 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 non-coking coal [Patra et al, (2005)]. The ...

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  • Sponge Iron Production in Rotary Kiln, Sarangi, A. Sarangi ...

     · Sponge Iron Production in Rotary Kiln - Kindle edition by Sarangi, A. Sarangi, B.. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Sponge Iron Production in Rotary Kiln.

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  • Modelling and optimization of a rotary kiln direct ...

    production. In this paper the direct reduction of iron ore to sponge iron is used as an example. The model incorporates a large number of variables, covering, among others: feed properties and rates, combustion options, kiln operating information (speed and fill level), blower locations and flow rates, and the environmental conditions.

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  • Making Sponge Iron With Rotary Kiln

    Sponge Iron Production In Rotary Kiln By Sarangi Pdf. Sponge Iron Production In Rotary Kiln Sponge iron production in rotary kiln arabinda increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world this book comprehensively deals with the production ...

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  • Effluent and Emission Standards for Sponge Iron Plant

     · 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.

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  • SPONGE IRON – Lloyd''s Metals

    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 finished ...

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  • SPONGE-IRON

    In the Direct Reduced Iron (DRI) plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material such as coal. The reduction is carried out in a rotary kiln (which is inclined and rotates at a pre-determined range of speeds) at a stipulated temperature (850°C -1,500°C).

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  • Flow of materials in rotary kilns used for sponge iron ...

    The present work identifies the basic features of burden movement in a rotary kiln. The cold model study was conducted with iron ore as the feed material to determine the influence of length to diameter ratio (L/D) of a rotary kiln on the filling degree, hold-up, and residence time of the charge. An empirical equation correlating different operating variables has been derived on the basis of ...

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  • 2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

    In sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe which is called sponge iron. The performance of rotary kiln significantly affects the production capacities of these industries. The performance of rotary kiln …

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  • Sponge iron making process

     · Making process iron ore to sponge iron. Making process iron ore to sponge iron . SlideShare Explore ... 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 ...

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  • A Thesis Submitted for Partial Fulfillment of the Degree ...

    6.1 Schematic Drawing of discharge end of Kiln 38 6.2 2D & 3D model of Sponge iron Rotary Kiln 39 6.3 Faces of lobe blower. 39 6.4 Coal throw and solid out face at discharge end of kiln. 40 6.5 Cuts made to represent air pipes. 40 6.6 Wall of air pipe. 41 6.7 Face of air pipe. 41 6.8 Overall view and internal view of generated Mesh. 42

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  • ORISSA SPONGE IRON AND STEEL LTD.

    The process of reduction causes micro pores in the ore body turning it porous. Directly reduced iron looks like sponge in texture due to pores and hence is called sponge iron. Iron Ore after due reduction inside the kiln is discharged to a rotary cooler of 3.5 mtr. Dia x 50 mtr long from DR1 and 3.8 x 50 mtr long from DR2 for cooling the DRI ...

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  • Excellent Sponge Iron Kiln To Deal With Your Sponge Iron ...

    Sponge iron kiln''s cylinder: The design of the sponge iron rotary kiln cylinder is more reasonable. The cylinder is rolled with a Q235-B steel plate to ensure five mechanical properties, usually with automatic welding. The wall thickness of the cylinder is generally 25 mm, and that of the firing zone is 32 mm.

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  • Sponge Iron Production in Rotary Kiln by Sarangi

    Sponge Iron Production in Rotary Kiln book. Read reviews from world''s largest community for readers. With a boom in the steel industry all over the world...

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  • New Sponge Iron Rotary Kiln Design In Sponge Iron ...

     · 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 coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 30-50% coal is added ...

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