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Sponge Iron Production Process - Arij Trading

2021-8-24  Sponge iron production process discussed herein are selected from known methods of which the references are available and referable. We look at the 4 different methods of producing sponge iron

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Iron Sponge Process - an overview ScienceDirect Topics

8.5.1 Iron sponge process An example of a hydrogen sulfide scavenger process is the iron sponge process (also called the dry box process), which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids (Anerousis and Whitman, 1984).

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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 inlet pipe, and said solid reducing ...

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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

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THE KRUPP SPONGE IRON PROCESS PRODUCTION AND

2012-1-5  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.

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SPONGE IRON – Lloyd's Metals

Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a ‘select’ grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product bunkers prior to dispatch.

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SPONGE IRON PLANT

2018-9-24  ron ore crushing is not required since sized material has to be Ipurchased. 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 mm is being removed by screening. The oversize material is conveyed to the

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Sponge iron making process - SlideShare

2014-11-9  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

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OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

2012-1-10  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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SPONGE IRON PRODUCTION FROM ORE -COAL

2014-9-2  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 ore fines cakes. In this process, the material passes through

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THE KRUPP SPONGE IRON PROCESS PRODUCTION AND

2012-1-5  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.

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Process for the production of pig iron and sponge iron ...

A similar sponge iron production process is known from U.S. Pat. No. 4,260,412, in which top gas of a reducing shaft furnace prepared by carbon dioxide removal is used for producing fresh reducing gas. The gas producer is a fluidized bed gasifier, to which are supplied the prepared top gas, coal and lime, as well as oxygen and optionally water ...

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OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

2012-1-10  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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Sponge Iron Production Line - Buy Sponge Iron Production ...

Direct Reducing Iron (DRI) Process. Process drawing. Introduction of direct reducing iron (DRI) process. The heat source is natural gas or heavy oil, petroleum coke (anthracite) as reducing agent, iron powder more than 68% Fe3O4 (can add 50% scale).

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sponge iron process

2010-7-29  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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AUTOMATION OF THE PRODUCTION OF SPONGE IRON BY

In the process for the production of sponge iron, the raw materials viz., iron ore, coal and dolomite are charged into rotary kiln from the inlet end by means of a feed tube in a pre-determined ratio by electronic weighing equipment. The Rotary kiln is of 3.00 mts. The fine coal is blown from the discharge end of

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(PDF) Production of sponge iron powder by reduction of ...

S. Uenosomo, A. Sonobe, H. Suhihara: Method for production sponge iron and reduced iron power and method for production thereof, Patent US 6,918,945 B2, 2005. Process and apparatus for producing ...

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SPONGE IRON PRODUCTION FROM ORE -COAL

2014-9-2  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 ore fines cakes. In this process, the material passes through

Get Price

US5238487A - Process for the production of pig iron and ...

A process for producing pig iron is described, which contains a reducing shaft furnace 1 and a melting gasifier 2. The sponge iron produced from iron ores in the reducing shaft furnace is supplied to the melting gasifier and converted there into a pig iron melt. The gas produced in the melting gasifier is supplied directly via a line 4 as reducing gas to the reducing shaft furnace.

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rotary kiln process spong iron - arcese-kech.ch

Rotary Kiln Sponge Iron Making - autofietsdrager.nl. Rotary Kiln Process Spong Iron. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a select grade of ironcoking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, ...

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Sponge Iron Production Line - Buy Sponge Iron Production ...

Direct Reducing Iron (DRI) Process. Process drawing. Introduction of direct reducing iron (DRI) process. The heat source is natural gas or heavy oil, petroleum coke (anthracite) as reducing agent, iron powder more than 68% Fe3O4 (can add 50% scale).

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Production of Sponge Iron Powder by Reduction of a By ...

2020-1-27  Key Words: Powder production, Sponge iron, Solid by-product. 1. Introduction Mill scale is a steelmaking by-product from the rolling mill in the steel hot rolling process. Mill scale contains both iron in elemental form and three types of iron oxides: wustite (FeO), hematite (α-Fe 2 O 3) and magnetite (Fe 3 O

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Which process is better for Sponge Iron Production? HYL ...

For this purpose, based on the principles of process integration, three design modifications, scheme-1, scheme-2, and scheme-3, are proposed and applied on actual data of two sponge iron plants ...

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Read Download Production Of Sponge Iron PDF – PDF

This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ‘directly reduced’ in the solid-state, using either natural gas or non-coking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron).

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SPONGE IRON PRODUCTION FROM ORE -COAL

2014-9-2  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 ore fines cakes. In this process, the material passes through

Get Price

PRODUCTION OF IRON AND STEEL POWDERS

1997-5-6  2. PRODUCTION OF IRON AND STEEL POWDERS 8 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

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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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rotary kiln process spong iron - arcese-kech.ch

Rotary Kiln Sponge Iron Making - autofietsdrager.nl. Rotary Kiln Process Spong Iron. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a select grade of ironcoking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, ...

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Accretion Control in Sponge Iron Production Kiln using ...

Sponge iron production process requires accurate monitoring and control of the process parameters. The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings. Accretion build up is the

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Iron - Manufacturing process related to the specified ...

2014-1-14  Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron cake that is crushed, milled and

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