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    Oct 30, 2008· Ironmaking and Steelmaking: Theory and Practice [Ahindra Ghosh, Amit Chatterjee] on . *FREE* shipping on qualifying offers. This authoritative account covers the entire spectrum from iron ore to finished steel. It begins by tracing the history of iron and steel production

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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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  • Iron and Steelmaking - vsb.cz

    Pig iron is divided into steel-making pig iron, which is intended for further processing to steel by various refining processes, and foundry pig iron, from which cast iron is produced by re-melting. Directly Reduced Iron Directly reduced iron is a product of iron (steel) direct reduction from ores in the solid

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    Reduction occurs in a solid state at a lower temperature than in the blast furnace process and produces an intermediate product, sponge iron or direct reduced iron (DRI), with water vapour emitted from the top of the furnace. Water vapour can be condensed and scrubbed before reuse in the plant.

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    Sep 30, 2012· The Bessemer Converters increased in size from 5 tons to 30 tons, but the process was quickly rivalled by the Siemens process and was finally superceded in the U.K. in by the use of the 'Basic ...

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    The process of sponge iron making aims to remove the oxygen from iron ore. gangue content In Sponge Iron Process , two types of coal are being used such as feed For the direct reduction of iron ore the main furnace used is rotary kiln.

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    animation of sponge iron making process. Sponge Iron Making Process Required sized quantity Coal (0mm to 20mm) is injected to the kiln from dischargent side bunker weigh feeder through roots blower rotary feeder system.

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    The hot metal is decarburized to the required carbon content in the BOF. The main reaction in this process is the oxidization of the carbon in the hot metal by both pure oxygen gas (O 2) and iron oxide (Fe 2 O 3 ). The residual oxygen, after contributing to this decarburization reaction, remains in …

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    conventional blast furnace route. The paper details the efforts of Tata Sponge Iron Limited to make the process a clean technology without affecting its surroundings and natural resources. Key Words : Sponge iron, pollution control, equipment, gas cleaning. INTRODUCTION The Direct Reduction - Electric Arc Furnace (DR-EAF) combination provides

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    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 metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product. Sponge iron manufacture is highly sensitive to raw material characteristics.

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    The Manufacturing Process. The size of the pores is determined by the size of the sodium sulphate crystals. A rough sponge used for washing a car, for instance, is made with coarse crystals, while a fine sponge of the type used for applying makeup is made with very fine crystals. As the celluolose mix cooks, then cools, it becomes a hard, porous block.

  • Blast furnace - Wikipedia

    The primary advantage of the early blast furnace was in large scale production and making iron implements more readily available to peasants. Cast iron is more brittle than wrought iron or steel, which required additional fining and then cementation or co-fusion to produce, but for menial activities such as farming it sufficed.

  • Chapter 73. Iron and Steel

    For iron making, the essential feature is the blast furnace, where iron ore is melted (reduced) to produce pig iron. The furnace is charged from the top with iron ore, coke and limestone; hot air, frequently enriched with oxygen, is blown in from the bottom; and the carbon monoxide produced from the coke transforms the iron ore into pig iron containing carbon.

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  • Sponge iron making process - SlideShare

    Nov 09, 2014· Making process iron ore to sponge iron Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.

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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. ...

  • Direct reduced iron and production of DRI part 1 - YouTube

    Mar 11, 2016· The presentation gives features, properties and various details of direct reduced iron.

  • Sponge iron making full process_Coal base DRI - YouTube

    Dec 24, 2018· Direct reduced iron (DRI), also called sponge iron,[1] is produced from the direct reductionof iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon ...

  • COAL BASED SPONGE IRON PLANT

    CII STEEL SUMMIT, NEW DELHI, 4TH NOV., 2009 ALTERNATE IRON MAKING - KEY DRIVER FOR INDIA’S FUTURE STEEL GROWTH Salient Features of S-R Processes Use of Metallurgical Coke requiring good quality coking coal High smelting intensity and hence high productivity Ability to use various types of non-coking coal Environmental friendliness Use of iron ore fines, slimes, etc.

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    May 12, 2018· 2D animation is when scenes and characters are animated in a 2D space instead of a 3D environment. Today, artists use computer software to create everything in a 2D animation, including environments, characters, visual effects, and more. For most of the 20th century, animation was done by taking photographs of drawings on paper and then placing them on transparent acetate sheets called …

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    coal used in rotary kiln sponge iron. The process of sponge iron making aims to remove the oxygen from iron ore. gangue content In Sponge Iron Process , two types of coal are being used such as feed For the direct reduction of iron ore the main furnace used is rotary kiln.