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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 lumps, or fines. The reduction takes place using gaseous reductants (CO + H ...

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sponge iron from iron concentrate tunnel kilns

States is . ore in a vertical shaft furnace a rotary or tunnel kiln or other types of hearth or grate furnaces to produce lumps or particles of "sponge" iron. Get Price; DRI Tunnel Kiln India Tunnel Kiln for Sponge Iron Direct Reduced . DRI(Direct Reducted Iron) Tunnel Kiln was commissioned on 24 November 2011.

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Direct Reduced Iron (DRI) | International Iron Metallics ...

In India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source. Some of the sponge iron plants are captive to steel mills, but there is a significant domestic merchant market, India producing 57% of its crude steel in electric arc furnaces (2016).

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Sponge Iron Plant Manufacturers and Sponge Iron Equipment ...

The coal base DRI rotary kiln process for production of DRI / Sponge Iron has its many parameters to increase the quality as well as productivity which need careful operations throughout the process. Number of DRI processes came up and rotary kiln process with solid coal as fuel found to be most acceptable process in the world.

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Components required for rotary kiln for sponge iron plant

Building Materials Equipment - Components required for rotary kiln for sponge iron plant - Building materials equipment mainly includes cement production equipment, activated lime production equipment, etc., standardized production processes to ensure the smooth operation of equipment and processes, and ensure the interests of customers.

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SPONGE IRON UNIT - SEIL

Iron Ore and Coal are drawn with the help of weigh feeders in the required quantity and proportion and fed on to common conveyor. These raw materials enter into the rotary kiln through a feed chute. 4. The rotary kiln is 70 meters in length and 4.4 meter in diameter. This kiln is provided inside with 250mm thick refractory lining.

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Cheap and high quality rotary kilns used for sponge iron plant

Cheap And High Quality Rotary Kilns Used For Sponge Iron Plant, Find Complete Details about Cheap And High Quality Rotary Kilns Used For Sponge Iron Plant,Lime Rotary Kiln,Sponge Iron Rotary Kiln,Rotary Kiln Incinerator from Cement Making Machinery Supplier or Manufacturer-LUOYANG ZHONGTAI INDUSTRIES CO., LTD

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iron ore characteristics at highveld rotary kilns

SPONGE IRON PLANT. Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

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Plant Details - MGM

In the first phase one 350 TPD rotary kiln and 8MW power plant have been commissioned and are operating smoothly . SPONGE IRON PLANT Sponge iron plant or Direct Reduction Plant (DRP) is designed to produce 350tons of sponge iron per day in a rotary kiln using iron ore, non coking coal and dolomite as the raw materials.

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machine used in sponge iron plant

Sponge iron plant or Direct Reduction Plant (DRP) is designed to produce 350tons of sponge iron per day in a rotary kiln using iron ore, non coking coal and dolomite as the raw materials. The plant consists of the following sub divisions.

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machine used in sponge iron plant

Sponge iron plant or Direct Reduction Plant (DRP) is designed to produce 350tons of sponge iron per day in a rotary kiln using iron ore, non coking coal and dolomite as the raw materials. The plant consists of the following sub divisions.

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Sponge Iron Plant - ORISSA SPONGE

Plant facilities: Sponge Iron Plant. The main plant consists of a 4 mtr. Dia x 84 mtr. Long ported rotary kin (DR 1) and 4.8 mtr. Dia x 84 mtr.long ported rotary kin (DR 2) equipped with air injection system to provide for generation of necessary heat and reducing atmosphere required for the process.

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SPONGE-IRON

In the Direct Reduced Iron (DRI) plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material such as coal. The reduction is carried out in a rotary kiln (which is inclined and rotates at a pre-determined range of speeds) at a stipulated temperature (850°C -1,500°C).

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SPONGE IRON PLANT

Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

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(PDF) i) Direct Reduced Iron: Production

This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting point are generally classified as DR ...

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Iron Ore Fines Based Pellet Plant In Great Kiln Process In ...

Sponge Iron Composition & Manufacturing . 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 .

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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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making of iron ore pellets with tunnel kiln

tunnel kiln iron ore. sponge iron from iron concentrate tunnel kilns. sponge iron from iron concentrate tunnel kilns sponge iron production from ore coal composite pellets in tunnel kiln In this respect fixed bed Get Price And Support Online SPONGE IRON PLANT spongeitc 1 RAW MATERIAL General The major Raw Materials required for production of Sponge Iron by the rotary kiln .

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Building Materials Equipment - Macedonian rotary kiln ...

Building Materials Equipment Rotary Kiln Reduced Iron in . New Type Reduced Iron DRI Rotary Kiln Fair Price For Hot New type Reduced Iron DRI rotary kiln fair price for hot sale US 10000 100000 Set 180t10000t ISO 9001 ISO90012008 from Henan Hongke Heavy Machinery Co Ltd on Live Chat. Get Price; SPONGE IRON PLANT

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Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.

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Accretion Control in Sponge Iron Production Kiln using ...

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 reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.

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Rotary Kiln – Electrotherm – Engineering & Technologies ...

Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, 500 TPD) Solid state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI).

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best sponge iron plant for sponge iron calcination ...

Sponge Iron Plant(DRI)-Henan Dajia Mining Machinery Co., Ltd. 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.

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Direct Reduction Process - an overview | ScienceDirect Topics

The basis of the direct reduction process is that solid sponge iron is produced by removing oxygen from the ore in a shaft furnace, rotary kiln furnace or fluidised bed. Sponge iron can be produced in the form of Direct Reduced Iron (DRI), Hot Briquetted Iron (HBI) and Cold Briquetted Iron (CBI); also Low Reduced Iron (LRI), which is pre ...

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