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Process Making Sponge Iron Rotary Kiln

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 m

  • process of sponge iron by rotary kiln process of sponge iron by rotary kiln

    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 m

  • ppt for rotary kiln process of making sponge iron rotary ppt for rotary kiln process of making sponge iron rotary

    Jul 29, 2010 In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.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 product.

  • Production Process Of Sponge Iron In Rotary Kiln Grinding Production Process Of Sponge Iron In Rotary Kiln Grinding

    Process For Production Of Sponge Iron. Process for production of sponge iron by direct reduction of iron ore wherein iron ore admixed with a carbonaceous reducing agent is passed through a rotary kiln countercurrent to a gas stream, and wherein granular coking high volatile coal is injected co-current to said gas stream as a solid reducing agent by means of oxygen containing gases through an ...

  • Components Required For Rotary Kiln For Sponge Iron Plant Components Required For Rotary Kiln For Sponge Iron Plant

    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 .

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

    II. 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 m

  • Sponge Iron Production in Rotary Kiln - Arabinda Sarangi ... Sponge Iron Production in Rotary Kiln - Arabinda Sarangi ...

    Jun 30, 2011 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 ...

  • Accretion Control in Sponge Iron Production Kiln using ... 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 non-coking coal [Patra et al, (2005)]. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.

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

  • THE KRUPP SPONGE IRON PROCESS PRODUCTION … THE KRUPP SPONGE IRON PROCESS PRODUCTION …

    treatment by the KRUPP Sponge Iron Process. Small-scale tests have been carried out in labo-ratory-scale rotary kilns in order to assess the quality of the raw materials and to make a pre-liminary choice of ores and coals. Fig. 2 shows the three laboratory-type rotary kilns. Ores are …

  • US4490168A - Process of making steel by melting sponge ... US4490168A - Process of making steel by melting sponge ...

    Sponge iron produced by direct reduction is melted in an electric arc furnace, in which a pool of liquid metal is maintained. To ensure that liquid carbon-containing iron for forming the pool is available in adequate quantities and that the process can be carried out with the highest possible economy, the sponge iron is reacted in an electric arc furnace on a bath of liquid carbon-containing ...

  • Sponge Iron from Magnetite | Zee Business Sponge Iron from Magnetite | Zee Business

    Sep 10, 2021 Hitherto; Sponge Iron, one of the essential raw materials to produce steel, was commonly manufactured in the country through the DRI process, which involves solid state reduction of Iron Oxides occurring in the form of Haematite Iron ore. Sponge iron produced by this process employed a coal fired Rotary Kiln with the input charge consisting of ...

  • Sponge Iron Production In Rotary Kiln By Sarangi Arabinda Sponge Iron Production In Rotary Kiln By Sarangi Arabinda

    Rotary Kiln Process Of Making Sponge Iron. process of sponge iron by rotary kiln Grinding Mill China Posted at January 5 2013 Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times.

  • New Concept of Hot Metal Production using Rotary Kiln ... 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 ...

  • Development of energy conservations scenarios for sponge ... Development of energy conservations scenarios for sponge ...

    Jan 16, 2011 Coal based sponge iron plant: a conventional process. The process flow diagram of conventional coal-based sponge iron plant is shown in Fig. 1. The operating data shown in Fig. 1 is taken from a typical Indian sponge iron plant. In the conventional process kiln feed, which consists of iron ore, feed coal, and dolomite, is fed to the rotary kiln.

  • process of sponge iron by rotary kiln process of sponge iron by rotary kiln

    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 m

  • ppt for rotary kiln process of making sponge iron rotary ppt for rotary kiln process of making sponge iron rotary

    Jul 29, 2010 In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.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 product.

  • Simulation of Rotary Kiln Used in Sponge Iron Process ... Simulation of Rotary Kiln Used in Sponge Iron Process ...

    Index Terms—Sponge iron process, rotary kiln, temperature profile, artificial neural network. I. INTRODUCTION Sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore (1535oC) by utilizing hydrocarbon gases or

  • (PDF) Modeling of Rotary Kiln for Sponge Iron Processing ... (PDF) Modeling of Rotary Kiln for Sponge Iron Processing ...

    Simulation of Rotary Cement Kilns Using a One-Dimensional Model By Vivek Ranade 523-1 Designing of an Intelligent Fuzzy Logic System for Accretion Prevention in Sponge Iron SL/RN Rotary Kiln Based 100TPD Dri Process

  • SPONGE IRON PLANT 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 …

  • Recovery and utilization of waste heat in a coal based ... Recovery and utilization of waste heat in a coal based ...

    Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig. 1. Haematite and non-coking ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To

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

    3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air & material flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28

  • (PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ... (PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ...

    Also, the process conditions in a sponge iron rotary kiln are dynamic in nature. Hence, the quality keeps fluctuating and is not a constant value. A mathematical mass ...

  • Energy survey of the coal based sponge iron industry ... Energy survey of the coal based sponge iron industry ...

    Sep 01, 2015 In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding. In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of ...