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sponge iron direct melting

IS 12668 (1989): Melting characterstics of sponge iron ...

2018-11-15  1.1 This standard prescribes the melting charac-teristics of sponge iron/direct reduced iron ( DRI 1 in electric arc furnace, in basic oxygen furnace when used as coolant, in cupola furnace and in induction furnace. 1.2 This standard should be read in conjunction with IS 10812 : 1984. 2 REFERENCES 2.1 The following Indian Standards are necessary

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Sponge Iron - an overview ScienceDirect Topics

3.3.3.1 Direct Reduced Iron. 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 ...

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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

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IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI ...

2018-12-25  SPONGE IRON/DIRECT REDUCED IRON (DRI) HOT BRIQUETTE IRON (HBI) AND COLD BRIQUETTE IRON (CBI) FOR STEEL MAKING — SPECIFICATION ICS 73.060.10 @ 131S2007 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 Notember 2007 Price Group 6. ... or other melting processes. The product of this solid state

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SPONGE-IRON - Shakambhari Group

Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore (5 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln. Sponge iron is rich in Metallic Iron (Pure Iron) with

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OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10  of sponge iron. Introduction The direct reduction - processes, developed for converting iron ore directly into metallic iron without melting the ingredients arose keen interest throughout the world due to the non-availability of coking coal or as the coke price is gradually rising and the coking Coal reserves

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Sponge Iron – Tulsyan Steel

2021-10-26  Sponge Iron has a variety of uses: Sponge Iron can be utilized as a substitute for steel scrap. It plays a pivotal role as feed material in all mini steel plants. Sponge Iron is an apt material as it can be utilized as a coolant in Integrated Steel Plants. Sponge Iron is manufactured by reducing iron ore without the melting process – thereby ...

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THE OPTIMUM METHOD FOR CONVERTING SPONGE

2012-1-11  continuous charging of sponge iron onto an unmolten sponge iron heap. The feed rate is regulated in ac-cordance with the melting rate of the sponge iron. The arcs are shielded against radiation losses by burn-ing in niches of unmolten sponge iron and the bath has liquidus temperature only. As compared with all-

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STUDIES ON DIRECT REDUCED IRON MELTING IN

2012-7-26  STUDIES ON DIRECT REDUCED IRON MELTING IN INDUCTION FURNACE S.K. Dutta, A.B. Lele and N.K. Pancholi Metallurgical Engg. Deptt., Faculty of Tech. Engg., M. S. University of Baroda, Kalabhavan, Vadodara 390 001. E mail: [email protected] (Received 10 April 2004 ; in revised form 18 May 2004) ABSTRACT

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Sponge Iron - Sambhv Steel

2021-6-19  Sponge iron is a highly processed form of iron ore that contains metallic iron in the range of 83-88% obtained by direct reduction through reaction with carbon in the form of coal at approx. 1100 degree Celsius. Due to high porosity, the resulting iron is called sponge iron. Sponge iron is also referred to as direct reduced iron or metalized iron.

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Sponge Iron (DRI) The Hira Group

Sponge Iron is a substitute of scrap in steel melting. Although the reduction in the kiln is not direct, the CO gas reduces the impurities and oxides of hematite and the resultant DRI is in the solid form, this process is known as Direct Reduction Process.

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IS 12668: Melting characterstics of sponge iron/direct ...

Section Name: Sponge Iron and Smelting Reduction (MTD 30) Designator of Legally Binding Document: IS 12668 Title of Legally Binding Document: Melting characterstics of sponge iron/direct reduced iron (DRI) Number of Amendments: 1 Equivalence: Superceding: Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru

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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

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What is Direct Reduced Iron (DRI) - Infinity Galaxy

2020-11-15  Sponge iron, therefore, substitutes scrap in steel production. Instead of melting the steel scraps in mini steel plants, sponge iron dissolves in an electric arc furnace/induction furnace to create steel. Direct reduced iron has different sizes and forms and all of them are easy to convey in plants of transferring to other locations.

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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

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IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI ...

2018-12-25  SPONGE IRON/DIRECT REDUCED IRON (DRI) HOT BRIQUETTE IRON (HBI) AND COLD BRIQUETTE IRON (CBI) FOR STEEL MAKING — SPECIFICATION ICS 73.060.10 @ 131S2007 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 Notember 2007 Price Group 6. ... or other melting processes. The product of this solid state

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Direct Reduced Iron (DRI) - Eisen Group

Sponge iron comes from the direct revival of iron ore, also called Direct Reduced Iron (DRI). This group has the ability to supply at least 50.000 tons of DRI per month for melting plats with best quality and minimum price. Application of Direct Reduced Iron

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Sponge Iron - Sambhv Steel

Sponge iron is a highly processed form of iron ore that contains metallic iron in the range of 83-88% obtained by direct reduction through reaction with carbon in the form of coal at approx. 1100 degree Celsius. Due to high porosity, the resulting iron is called sponge iron. Sponge iron is also referred to as direct reduced iron or metalized iron.

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Sponge Iron Manufacturer India

Sponge Iron / DRI. Sponge Iron also called Direct reduced iron (DRI), 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.

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THE OPTIMUM METHOD FOR CONVERTING SPONGE

2012-1-11  continuous charging of sponge iron onto an unmolten sponge iron heap. The feed rate is regulated in ac-cordance with the melting rate of the sponge iron. The arcs are shielded against radiation losses by burn-ing in niches of unmolten sponge iron and the bath has liquidus temperature only. As compared with all-

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Sponge Iron (DRI) The Hira Group

Sponge Iron is a substitute of scrap in steel melting. Although the reduction in the kiln is not direct, the CO gas reduces the impurities and oxides of hematite and the resultant DRI is in the solid form, this process is known as Direct Reduction Process.

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IS 12668: Melting characterstics of sponge iron/direct ...

Section Name: Sponge Iron and Smelting Reduction (MTD 30) Designator of Legally Binding Document: IS 12668 Title of Legally Binding Document: Melting characterstics of sponge iron/direct reduced iron (DRI) Number of Amendments: 1 Equivalence: Superceding: Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru

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Melting of a New Carbon –Free Waxed Sponge Iron in ...

2014-11-3  No problem with the melting of new carbon – free waxed coated sponge iron (Jaleel's process) for producing different steel alloys. Coated wax: (1) acts as inhibitor for inhibition of reoxidation of sponge iron. (2) provide the required carbon for reduction iron oxide as well as a balance for the chemical composition of steel. (3) provide part of the heat required for the reduction.

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Sponge Iron – A-One Gold Steel

Sponge iron is obtained by direct reduction (elimination of oxygen) of iron ore, without melting it in a blast furnace. Sponge iron is an intermediate iron product used as a substitute for steel scrap while producing steel through the electric induction furnace route, the entire production of sponge iron is consumed in-house for the manufacturing of MS Billets.

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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

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Direct Reduced Iron (DRI) - Eisen Group

Sponge iron comes from the direct revival of iron ore, also called Direct Reduced Iron (DRI). This group has the ability to supply at least 50.000 tons of DRI per month for melting plats with best quality and minimum price. Application of Direct Reduced Iron (DRI)

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Brief introduction of Sponge Iron - IronSteel

2021-11-4  Sponge iron is a good substitute for iron scrap, so a high percentage of the raw material needed for steel melting can be produced from this product instead of scrap. One of the most important applications of sponge iron is in induction furnaces in which it

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The increasing role of direct reduced iron in global ...

2009-8-27  sponge iron. Defining DRI ‘Reduced iron’ derives its name from the chemical change that iron ore undergoes when it is heated in a furnace at high temperatures in the presence of hydrocarbon-rich gasses. ‘Direct reduction’ refers to processes which reduce iron oxides to metallic iron below the melting point of iron. The

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OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10  of sponge iron. Introduction The direct reduction - processes, developed for converting iron ore directly into metallic iron without melting the ingredients arose keen interest throughout the world due to the non-availability of coking coal or as the coke price is gradually rising and the coking Coal reserves

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Process of making steel by melting sponge iron in an ...

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 ...

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