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  • Sponge iron making process SlideShare

    Nov 09, 2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition

  • Sponge Iron Industry SlideShare

    Nov 17, 2012· Pollution from the sponge iron industries is the core reason whycommunities rise in arms against this industry. 26 27. Various CSE Reports of 2008 inform us1. In Odisha, women from the Bonai Vana Suraksha Committee marched up to the District Collector with samples of soil, water and grain to protest against sponge iron plants.2.

  • sponge iron.pptx Iron Steelmaking

    sponge iron.pptx Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. altrnative iron production

  • 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 Prakash Industries Limited

    Sponge iron is a highly processed form of iron ore which contains metallic iron in the range of 83-88% obtained by direct reduction without melting it. Due to high porosity, the resulting iron is called sponge iron. It is used as a raw material for manufacturing steel

  • sponge iron process

    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.

  • PPT The production of Iron and Steel PowerPoint

    Iron And Steel Mills And Ferroalloy Market By Size, Trends and Segments Forecast 2030 A recent report published by The Business Research Company on Iron And Steel Mills And Ferroalloy Market provides in-depth analysis of segments and sub-segments in the global as well as regional. https://bit.ly/2YL1QuQ PowerPoint PPT presentation free to

  • 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. Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting

  • Direct Reduced Iron (DRI) Production Plant

    from the DRI production plant) will be reduced by 50 100 kg.) 3. Increase in the productivity of blast furnaces The productivity of a blast furnace increased with charging DRI with large metallic iron content to it. (When 100 kg of DRI is used for the production of 1 ton of molten iron, the production of molten iron increases by 10 15 %.) 4.

  • AN OVERVIEW OF STEEL SECTOR

    Production for sale of Pig Iron in 2016-17 (prov.) was 9.39 mt, a growth of 1.8% over 2015-16. India was the largest producer of sponge iron in the world during the period 2003-2015 and was the 2nd largest producer in 2016 (after Iran) . The coal based route accounted for 79% of total sponge iron production in the country in 2016-17 (prov).

  • PPT The production of Iron and Steel PowerPoint

    Iron And Steel Mills And Ferroalloy Market By Size, Trends and Segments Forecast 2030 A recent report published by The Business Research Company on Iron And Steel Mills And Ferroalloy Market provides in-depth analysis of segments and sub-segments in the global as well as regional. https://bit.ly/2YL1QuQ PowerPoint PPT presentation free to

  • SPONGE IRON INDUSTRY

    India is the world’s largest producer of sponge iron, accounting for 13 per cent of the global production 8. Sponge iron is produced using either coal or natural gas. Since coal is available in India, the sector largely depends on coal based sponge iron which contributes

  • 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

  • PRODUCTION OF IRON AND STEEL POWDERS

    quality sponge iron to be used by the Swedish steel industry as high-purity melting stock for the production of special steels like tool-steel and stainless steel. Initial tests in 1937 showed that, owing to its high porosity, the sponge iron produced by Höganäs could readily be comminuted to iron powder. Production of iron powder

  • Agni Steels Sponge Iron Manufacturing Process YouTube

    Nov 02, 2017· Right from the selection of high grade iron ore and coal, we use only the finest raw material for production. Sponge Iron (DRI) is the main constituent in pr...

  • (PDF) Different processes of Sponge Iron production A Review

    Different processes of Sponge Iron production A Review February 2013 Conference: International Conference on Advances in chemical Engineering (ACE-2013) February 22- 24,2013

  • A Thesis Submitted for Partial Fulfillment of the Degree

    requirement of sponge iron production. Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 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

  • Sponge Iron an overview ScienceDirect Topics

    Direct reduction iron or sponge iron is an old method for producing hydrogen (Milne et al., 2006; Peña et al., 2010; Biljetina and Tarman, 1981) that was replaced by more efficient and economic processes.Recently, the interest in sponge iron as a hydrogen production process has grown again, although the technology still has some major technical and economic challenges to overcome (Milne

  • DRI,THE SPONGE IRON INDUSTRIE FULL VIDEO YouTube

    Jan 17, 2017· we are trying to take a look at the sponge iron industrie,how we making sponge iron by coal based .if you like please subscribe and comment ,please comment...

  • AN OVERVIEW OF STEEL SECTOR

    Production for sale of Pig Iron in 2016-17 (prov.) was 9.39 mt, a growth of 1.8% over 2015-16. India was the largest producer of sponge iron in the world during the period 2003-2015 and was the 2nd largest producer in 2016 (after Iran) . The coal based route accounted for 79% of total sponge iron production in the country in 2016-17 (prov).

  • Direct Reduced Iron and its Production Processes IspatGuru

    Mar 16, 2013· Direct reduced iron (DRI) is the product which is produced by the direct reduction of iron ore or other iron bearing materials in the solid state by using non-coking coal or natural gas. Processes which produce DRI by reduction of iron ore below the melting point of the iron are normally known as the direct reduction (DR) processes.

  • Iron Ore Processing for the Blast Furnace

    240-ton production trucks, which haul it to crushers. The taconite is ground to a fine powder and mixed with water. A series of magnets is run over the mixture. The magnets grab the iron particles and the rest is discarded. For every ton of iron retained, two tons of waste, or tailings, are discarded. Crushing the Ore The crude taconite is

  • Steel making process ArcelorMittal

    In the former process, iron ore is the main raw material. In an electric furnace, scrap iron is used and occasionally also sponge iron. Sponge is an intermediate product, which is produced from iron ore by means of direct reduction (= DRI or directly reduced iron) and that is then further reduced and smelted in an electric furnace.

  • What is Sponge Iron? (with pictures) wiseGEEK

    Oct 09, 2020· Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source. This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens,

  • SPONGE IRON PRODUCTION FROM ORE -COAL

    products [1-2]. In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by E.Sieurin as Hoganas process [3]. In 1954, more kilns came in operation in SWEDEN and USA. Presently it is more popular in China for sponge iron production from beneficiated iron

  • Sponge Iron an overview ScienceDirect Topics

    Direct reduction iron or sponge iron is an old method for producing hydrogen (Milne et al., 2006; Peña et al., 2010; Biljetina and Tarman, 1981) that was replaced by more efficient and economic processes.Recently, the interest in sponge iron as a hydrogen production process has grown again, although the technology still has some major technical and economic challenges to overcome (Milne

  • Best Practices In Energy Efficiency in Sponge Iron

    BENEFITS UOM IRON ORE PELLET VARIANCE YIELD IMPROVEMENT % 56.80% 67.57% 10.77% PRODUCTION FACTOR MT 1.76 1.5 0.26 REDUCTION IN SOLID FUEL CONSUMPTION MT 1.54MT/MT 1.4MT/MT 0.14MT/MT 3. Use of Pellet Pellets are balls of iron ore used in the DRI Plant. They are made with technology that uses the powder that is generated during

  • SPONGE IRON PLANT

    Iron ore crushing is not required since sized material has to be purchased. Iron ore of size 5 mm to 20 mm is being used for the production of Sponge iron. Iron ore is being fed to the Ground hopper, from where it conveyed to the Screen with the help of Vibro Feeder, where Oversize i.e. + 20 mm and Undersize i.e. 5

  • 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

  • PPT The production of Iron and Steel PowerPoint

    Iron And Steel Mills And Ferroalloy Market By Size, Trends and Segments Forecast 2030 A recent report published by The Business Research Company on Iron And Steel Mills And Ferroalloy Market provides in-depth analysis of segments and sub-segments in the global as well as regional. https://bit.ly/2YL1QuQ PowerPoint PPT presentation free to

  • PRODUCTION OF IRON AND STEEL POWDERS

    quality sponge iron to be used by the Swedish steel industry as high-purity melting stock for the production of special steels like tool-steel and stainless steel. Initial tests in 1937 showed that, owing to its high porosity, the sponge iron produced by Höganäs could readily be comminuted to iron powder. Production of iron powder

  • (PDF) New Concept of Hot Metal Production using Rotary

    The idea of this technology is to utilize the heat or energy contained in sponge iron (temperature of sponge iron > 1000 o C) at the end of rotary kiln before it is cooled by rotary cooler to

  • Control of Pollution in the Iron and Steel Industry

    Lungen H. B. and Steffen R. (1998). Comparison of Production Costs for Hot Metal and Sponge Iron. Cokemaking International, Vol. 10, 1, pp. 28-34.[This article shows the current state of development of the ore reduction processes, and a comprehensive discussion of new processes of direct reduction iron

  • Iron Ore Processing for the Blast Furnace

    240-ton production trucks, which haul it to crushers. The taconite is ground to a fine powder and mixed with water. A series of magnets is run over the mixture. The magnets grab the iron particles and the rest is discarded. For every ton of iron retained, two tons of waste, or tailings, are discarded. Crushing the Ore The crude taconite is

  • SteelMint Commodity prices, insights, statistics

    India: Bajrang Power to Resume Sponge Iron Production from its 0.5 MnT Plant. 28 Apr, 17:29 IST. Show more like this Show less like this. Sponge Iron. Indian Sponge Iron Export Prices Drop by USD 5/MT in Recent Deals. 27 Apr, 18:34 IST. Show more like this Show less like this. Load More.

  • Resources Trend and Use of Direct Reduced Iron in

    source of iron for, and promoting the use of, electric-arc-furnace (EAF) processes. This rapid increase in crude steel production has also resulted in significant increases, as shown in Fig. 3, in the prices of iron ore and coking coal, the principal raw materials of iron and steel.3) There are some background factors: e.g., i) the current BF

  • AN OVERVIEW OF STEEL SECTOR Ministry of Steel GoI

    Ministry performs planning of the growth and development of Iron and Steel Industry in the country (including Re-rolling Mills, Alloy Steel and Ferro Alloy Industries,

  • PowerPoint Presentation

    IRON AND STEEL MAKING ROUTE ADOPTED IN INDIA. CRUDE STEEL PRODUCTION SHARE. PRESENT STEEL SCENARIO. World steel production, 2015 : 1621 MT. Indian steel production, 2015 : 89 MT. Indian steel consumption, 2014 : 84 MT. World ranking in steel production : 3rd. World ranking in steel consumption : 3rd. PowerPoint Presentation

  • PowerPoint Presentation

    IRON AND STEEL MAKING ROUTE ADOPTED IN INDIA. CRUDE STEEL PRODUCTION SHARE. PRESENT STEEL SCENARIO. World steel production, 2015 : 1621 MT. Indian steel production, 2015 : 89 MT. Indian steel consumption, 2014 : 84 MT. World ranking in steel production : 3rd. World ranking in steel consumption : 3rd. PowerPoint Presentation

  • 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

  • Cast Iron Production from Sponge Iron (Egypt)

    The project entitled “Cast Iron Production from Sponge Iron” was designed to develop appropriate industrial practices for the production of ductile iron made of sponge iron and evaluate their technical and economic viability. Two alternative approaches were tried; a) production of high purity pig-iron for the production of engineering

  • Sponge iron production process and plant Voest-Alpine

    Dec 07, 1999· A plant for the production of sponge iron from particulate iron-oxide material, comprising a reduction shaft furnace for particulate iron-oxide containing material including a supply duct for reducing gas as well as a discharge duct for top-gas, characterized in that the top-gas discharge duct runs into a CO 2 purification means, from which a

  • Best Practices In Energy Efficiency in Sponge Iron

    BENEFITS UOM IRON ORE PELLET VARIANCE YIELD IMPROVEMENT % 56.80% 67.57% 10.77% PRODUCTION FACTOR MT 1.76 1.5 0.26 REDUCTION IN SOLID FUEL CONSUMPTION MT 1.54MT/MT 1.4MT/MT 0.14MT/MT 3. Use of Pellet Pellets are balls of iron ore used in the DRI Plant. They are made with technology that uses the powder that is generated during

  • 116364638 Iron and Steel Manufacturing Process Ppt

    This technique produces 97.0 percent pure iron, which is called, solid Sponge Iron. Smelting Reduction Technologies In this process, the hot metal (liquid iron) is produced from iron ore in two steps. Ores are partly reduced in the first step and then final reduction and melting, takes place in the second stage.

  • SPONGE IRON PRODUCTION FROM ORE -COAL

    products [1-2]. In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by E.Sieurin as Hoganas process [3]. In 1954, more kilns came in operation in SWEDEN and USA. Presently it is more popular in China for sponge iron production from beneficiated iron

  • THE KRUPP SPONGE IRON PROCESS PRODUCTION AND

    Sponge 'iron process might well be scaled up to a commercial operation, a full-scale test was car-ried out in a production kiln of 4.6 m diameter and 110 m length, which had been modified to suit the conditions encountered in processing rich iron ores. This test furnished proof that the test results are reproducible on a production scale.

  • SPONGE IRON PLANT

    Iron ore crushing is not required since sized material has to be purchased. Iron ore of size 5 mm to 20 mm is being used for the production of Sponge iron. Iron ore is being fed to the Ground hopper, from where it conveyed to the Screen with the help of Vibro Feeder, where Oversize i.e. + 20 mm and Undersize i.e. 5

  • M/s Bravo Sponge Iron Pvt. Ltd.

    Bravo Sponge Iron Pvt. Ltd. Project Feasibility Report for Expansion project Chapter 01 2 of P a g e 2 Salient Features of the project The company has acquired 78.37 acres of land, out of which the existing plant is installed on around 40 acres of land and the proposed expansion project shall

  • PROCESS FOR PRODUCTION OF SPONGE IRON

    May 16, 1972· 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 inlet pipe, and said solid reducing

  • 12.5 Iron And Steel Production

    12.5.1.2 Iron Production Iron is produced in blast furnaces by the reduction of iron bearing materials with a hot gas. The large, refractory lined furnace is charged through its top with iron as ore, pellets, and/or sinter; flux as limestone, dolomite, and sinter; and coke for fuel. Iron

  • Sponge iron production vol. hits 11% growth in two months

    TEHRAN, Jun. 17 (MNA) Statistics showed that sponge iron production volume increased 11 percent in the first two months of the current Iranian calendar year [from March 21, to May 20]. Accordingly, 5,552,433 tons of sponge iron were produced by major steelmakers in the first two months of the current year, showing a 11 percent growth as

  • What is Sponge Iron? (with pictures) wiseGEEK

    Oct 09, 2020· Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source. This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens,