Sponge Iron Making Ppt

  • Non-blast Furnace Iron Making Technology :: Total Materia ...

    Non-blast Furnace Iron Making Technology Abstract: ... According to the final product of the processes (sponge iron and hot metal), these processes can be grouped as direct reduction DR processes and smelting reduction SR processes. According to the type of fuel used, these processes can also be grouped as gas-based and coal-based processes. ...

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

    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 6.1 Schematic Drawing of discharge end of Kiln 38 ...

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  • Home - Midrex Technologies, Inc.

    Feb 28, 2021· The World Leader in Direct Reduction Technology; clean and reliable ironmaking solutions for steelmakers around the world.

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  • Tata Steel Long Products Limited

    Tata Steel Long Products Limited offers a wide range of high-end steel products for industry like Forgings, Bearings, Fasteners and Free-Cutting, and caters to diverse sectors including Construction, Railways, Power, Auto, General Engineering and Defence, Infra/L&E. TSLPL is a pioneer in India for using Hot Metal in Electric Arc Furnace, which later became an industry norm.

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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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  • 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 ...

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  • Steelmaking - Wikipedia

    Steelmaking is the process of producing steel from iron ore and/or scrap.In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon (most important impurity) are removed from the sourced iron, and alloying elements such as manganese, nickel, chromium, carbon and vanadium are added to produce different grades of steel. ...

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  • Top Sponge Iron Manufacturer In Kolkata, India

    Sponge iron is a spongy mass of iron which is a metallic product produced through direct reduction of iron ore/ iron pellet in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen from iron …

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  • 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.

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  • WELSPUN STEEL LIMITED

    Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen from iron ore. The quality of sponge iron is primarily ascertained by the percentage of ...

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  • sponge iron making ppt - galleriadiciotto.it

    sponge iron making ppt. sponge iron process Know More. Jul 29 2010 0183 32 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 ...

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  • 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.

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  • SPONGE IRON PLANT

    sponge iron, originating from Iron Ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation. Therefore, the ore should be high in iron content and low in gangue, Physical Specification – Size - 5-20 mm Oversize - < 5 % max

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  • Fe Extraction.ppt - Live your life Create your destiny ...

    Direct reduction Iron • An alternative route of iron making • Sponge iron, is produced from direct reduction of iron ore (high purity) • Overcome some of difficulties of conventional blast furnaces • Iron ore is reduced in solid state at 800 to 1,050 °C either by reducing gas (H 2 +CO) • Direct-reduced iron has about the same iron ...

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  • PRESENTATION BY NMDC - Mines

    Expansion of iron ore production capacity from 25 million tonnes to 40 million tonnes per annum by 2014-15 by increasing production from existing mines and opening new mines on its own or in joint venture with state Govt/State Govt undertakings of various states. Value addition in iron ore by making sponge iron…

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  • Corex Process in Iron Making - SlideShare

    Dec 02, 2009· The blast furnace concept has been used, virtually splitting it into two at the cohesive zone interface. Accordingly a Corex plant has shaft unit, where iron ore pellets (with or without some closely sized lump ore) is reduced by gases emanating from the second unit to make hot sponge iron …

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  • 7 Major Mistakes You’re Making With Your Cast Iron ...

    While cast iron is a master at heat retention, it’s a mistake to think that the surface heats evenly. Unlike aluminum clad stainless steel or anodized aluminum nonstick cookware, cast iron actually heats extremely unevenly. I recommend avoiding cast iron when making anything fragile that you want to cook super evenly, like delicate fish or ...

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  • PRODUCTION OF IRON AND STEEL POWDERS

    2.3 The Höganäs Sponge Iron Process The Höganäs sponge iron process, is essentially a chemical process in which finely divided iron ore is being reduced with coke breeze yielding a spongy mass of solid metallic iron, which can readily be comminuted to iron powder. The iron ore used at Höganäs is a magnetite slick (powdery Fe 3 O 4

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  • Raw Materials – Tata Steel Long Products Limited

    Sponge Iron Business. The key raw materials to produce sponge iron are iron ore, non-coking coal and dolomite. Sponge iron manufacturing is highly sensitive to raw material characteristics that would help obtain the rated capacity and the desired product quality. To ascertain the suitability of our raw materials in a rotary kiln, Company has ...

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  • (PDF) i) Direct Reduced Iron: Production

    DRI or sponge iron refers to porous iron produced by the. DR process. The DR process is a solid-state reaction pro-cess (i.e., solid–solid or solid–gas reaction) in which.

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  • Direct Reduced Iron (DRI) Production Plant

    Direct Reduced Iron (DRI) Production Plant NIPPON STEEL ENGINEERING CO., LTD. Basic Concept or Summary S-16 u A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron …

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  • sponge iron manufacturing process ppt - Gold Ore Crusher

    iron ore use in manufacturing process ppt – Crusher South Africa. pellet manufacturing process of iron ore ppt – Basalt Crusher … Rotary Kiln Process of Making Sponge Iron 2.1 HISTORICAL BACKGROUND The production of …

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  • PowerPoint Presentation

    It is available in liquid, cake, and cream form. It enhances the natural lashes, making them appear thicker and longer. Lashes should be darker than the eyebrows. Polymer product: Include water, wax, thickeners, film-formers, and preservatives in their formulation. Pigments are carbon black, carmine, ultramarine, chromium oxide, and iron oxides.

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  • Sponge Iron Manufacturer India

    The Sponge Iron Manufacturers Association (SIMA) established in 1992 is an all India apex body of Indian sponge iron industry. It is the voice of the indian iron ore based sponge iron & steel industry, at both domestic and global forums. As a not-for-profit society, SIMA has been mandated to communicate the viewpoints of its constituents & al ...

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  • (PPT) Iron and Steel Industries : An Overview of India ...

    • Production for sale of Pig Iron in 2013-14 was 7.95 mt and 6.08 mt during April-December 2014-15 (provisional). • India is the largest producer of Sponge Iron in the world with the coal based route accounting for 89% of total sponge iron production in the country.

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  • SPONGE IRON INDUSTRY : CURRENT SCENARIO

    The sponge iron has of late come up as a major input material for steel making through electric furnace route – both Electric Arc Furnace and Induction Furnace. Due to long gestation period, huge investments, dependence for coke on foreign suppliers, etc., the steel industry is slowly diverting itself from blast furnace route to electric ...

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    Make stunning interactive charts, reports, maps, infographics, and more. Get started. Prezi Present Create moving, zooming presentations that grab attention and keep it. Prezi Video Appear right alongside your content while presenting to your audience. Prezi Design Make stunning interactive charts, reports, maps, infographics, and more. ...

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  • Sponge Iron Industry - slideshare.net

    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.

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  • iron and steel manufacturing process.ppt | Steelmaking | Steel

    Dec 11, 2012· Iron Making Process. producing iron from iron ore Methods in iron Making Process 1. Coke-oven-Sinter-BF route 2. Direct Reduction Technique 3. Smelting Reduction Technologies Coke-oven-Sinter-BF route used by integrated steel plants that produce steel from iron ore. In this process, the iron ore is first subjected to a sintering process.

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  • Direct Reduction Process - an overview | ScienceDirect Topics

    The sponge iron formed in the direct reduction process is then melted in an electric arc furnace. In these processes, the iron oxides in the ore are reduced to metallic iron. In the next step, the raw iron is usually dropped into a torpedo ladle car where reagent is added to purify the iron from sulfur. Then the steel production begins, which ...

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