dri direct reduced iron using iron ore fines india iron oreiron sponge


Process Description and flow diagram of Coal Based DRI Plant

Aug 07, 2016· Most of the plants in India use DRI process—a solid state direct reduction process by which iron ore is reduced to sponge without phase change. Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is taken out from the other ... Mar 16, 2013· Direct reduced iron (DRI) is the product which is produced by the direct reduction of iron ore or other iron bearing materials in the solid state by using non-coking coal or natural gas. Processes which produce DRI by reduction of iron ore below the melting point of the iron are normally known as the direct reduction (DR) processes.

mining technology: Direct reduced iron

Direct-reduced iron (DRI), also called sponge iron [1], is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of Hydrogen (H2) and Carbon Monoxide (CO) which acts as reducing agent. 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.

Direct reduction of iron (DRI) – 'Sponge iron' - Blogger

Sponge iron is the product created when iron ore is reduced to metallic iron, in the presence of coal, at temperatures below the melting point of iron. The external shape of the ore is retained with 30% reduction in weight due to oxide reduction resulting in change in … Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H2) and carbon monoxide (CO) which acts as reducing agent. This process of directly reducing the iron ...

Direct-reduced iron - URM-Company

All effective methods of direct reduction actually use the same process: rich iron ore (fine concentrate or pellets) is reduced by a special gas mixture up to the iron content of 85-90%. This explains why the production of direct-reduced iron is mainly concentrated in countries with large reserves of oil (oilwell gas), natural gas and iron ore ... железо прямого восстановления

Fire in Direct Reduced Iron Fines - bulk-online.com

Jun 11, 2014· Dear All, We have a Midrex Sponge Iron plant producing cold DRI. Since some days we are noticing fire in DRI dust. The temperature stays normal at the furnace discharge but when the product gets transferred after moving through a belt for around 200 meters to another belt the DRI dust catches fire. It is happening again and again. We have started using some new pellets since some days but … Direct reduced iron (DRI), produced by the reaction between iron ore and reducing gasses, is used as a source of low-residual iron, in addition to ferrous scrap and pig iron, in the production of steel mainly through the electric arc furnace (EAF) route of steelmaking. The main DRI technologies in use are those of Midrex and Hyl, but

Hot Briquetted Iron (HBI) | International Iron Metallics ...

Overview. Hot Briquetted Iron (HBI) is a premium form of DRI that has been compacted at a temperature greater than 650° C at time of compaction and has a density greater than 5,000 kilograms per cubic metre (5,000 kg/m 3).. HBI was developed as a product in order to overcome the problems associated with shipping and handling of DRI - due to the process of compaction it is very much less ... Jul 29, 2010· IS 12668: 1989 Melting characteristics of sponge iron/direct reduced iron(DRI) IS 12929: 1990 Feedstock (iron oxides and natural gas) for gas based direct reduction-guidelines. IS 13839: 1993 Specification for sponge iron/direct reduced (DRI) fines/briquettes for steel making.

What is sponge iron? - Quora

Dec 19, 2017· India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route,... Oct 12, 2017· 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 …

88 IRON ORE - USGS

$4.6 billion in 2018. The remaining 2% of domestic iron ore was produced for nonsteel end uses. Seven open-pit iron ore mines (each with associated concentration and pelletizing plants), and three iron metallic plants—one direct-reduced iron (DRI) plant in Louisiana and two hot-briquetted iron (HBI) plants in Indiana and Texas—operated during 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 ...

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 ... In the last two decades, the use of a combination of scrap and high-quality scrap substitutes (Direct Reduced Iron (DRI) and Pig Iron) by the steelmakers has been steadily increasing due to the ...

Can India cross 1 mnt in DRI exports? - Iron and Steel News

In 2013 when India's total Direct Reduced Iron (DRI) export stood at a meager 0.13 mnt it was almost incomprehensible to think that the country would be able to target the 1 mnt mark in overseas sales of DRI. However, over the last few years tides in steel trade have turned drastically with India 45 dri direct reduced iron products are offered for sale by suppliers on Alibaba.com, of which other iron accounts for 51%. A wide variety of dri direct reduced iron options are available to you, such as fines …

Janki Corp - direct reduced iron DRI - sponge iron - India

The direct reduction plant has a capacity of 180,000 tonnes of DRI per annum. The manufacturing unit is setup at Sidiginamola village, Bellary District, Karnataka. JCL produces iron ore pellets from iron ore fines using grate-kiln technology. This technology allows production of superior grade feed material for DRI and blast furnace operations. Direct-reduced iron (DRI), also called sponge iron, [1] is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H 2) and carbon monoxide (CO) which acts as reducing agent. This process of directly reducing the iron ore in solid form by reducing …

Optimization of the Iron Ore Direct Reduction Process ...

Direct reduction (DR) in a shaft furnace followed by electric arc steelmaking thus results in 40 to 60% lower CO 2 emissions compared with the reference route . Direct reduction converts solid iron ore pellets into so-called direct reduced iron (DRI), using a mixture of CO and H 2 produced by reforming natural gas. The major part of metallic charge for steel production is hot metal from BF (64.2%); steel scrap makes up 31.5%; a share of direct reduced iron and hot briquetted iron (DRI/HBI) and hot metal from SR makes up worldwide 4.0% and 0.3%, respectively (all the data from the year 2015 according to Lüngen, 2017).

dri sponge iron price - DRI HBI prices - Simurgh iron and ...

Jun 02, 2019· Direct reduced iron prices. Sponge iron is one of the upstream steel products that is being offered on the stock exchange. Sometimes, we see the difference in prices announced in the stock market, with the involvement of the Steel Association and the Ministry of Industry, Mining and Commerce, with the aim of controlling the market for the supply of sponge iron, on the price of sponge iron on ... Cost Effectiveness Analysis of HYL and drex DRI Te chnologies for the Iron and Steel-king Industry Pa ge | 4 also included in each individual section. The results show that not only does the HYL/EAF combination yields the most cost savings over the business as usual scenario, but it also results in the most reduction of CO 2.

What is Direct Reduced Iron? (with picture)

Mar 20, 2020· Direct reduced iron (DRI) is a type of alternative iron made by heating iron ore so that the oxygen and carbon burns off while the temperature is kept below iron's melting point. Direct-reduced iron is also known as sponge iron and is sold as briquettes, lumps, or pellets. Iron ore crushing is not required since sized material has to be purchased. 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

What is Sponge Iron? (with pictures) - wiseGEEK

Mar 15, 2020· Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source. This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens, … May 17, 2017· The process can treat a wide range of iron ore fines and waste materials from the steel plant. The Redsmelt process is based upon a RHF which reduces green pellets made out of iron ore, reductant fines and binders to produce hot, metallized direct reduced iron (DRI) which is charged to a submerged arc furnace (SAF).

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

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 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 carbon produced from natural gas or coal. Its main use is as raw material feedstock for electric furnaces in mini mills, where DRI can be used as a scrap substitute.

Direct reduced iron - WikiMili, The Free Encyclopedia

Oct 11, 2019· Direct reduced iron Last updated October 11, 2019. Direct reduced iron (DRI), also called sponge iron, [1] 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. Sponge iron, also called Direct-Reduced Iron (DRI), is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by reducing gas produced from natural gas or coal.

Price Of Sponge Iron In India | DRI HBI Prices | SteelMint

Get Sponge Iron Prices From Major Markets Of India Including Durgapur, Jharsuguda, Rourkela, Raipur, Raigarh, Bellary, Hyderabad. Find DRI HBI Price Per Ton. 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. Reduced iron derives its name from the chemical change that iron ore undergoes when it is heated in a furnace at high ...

Direct Reduced Iron Industry in India — Problems and …

Direct Reduced Iron Industry in India — Problems and Prospects iii. Calibrated to size with less fines — preferably 6-16 mm with less than 3% fines iv. High reducibility — (dR/d0 40% about 0.7%/minute or higher. Hematite ores generally meet the requirement v. Low decrepitation during reduction — less than 5% fines generation vi. It is also the world's third-largest producer of LNG and is forecast to be the world leader by 2020. Reduction of iron ore to reduced iron form adds value and provides more compact products, which reduces shipping costs. The specific iron content of the direct reduced iron is a function of the iron content of the iron ore.

magnetite dri direct reduced iron - Alderbuebe

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. Jul 16, 2017· Industrial Training Report on Direct Reduced Iron Plant(DRI) 1. 1 | P a g e 20 days Industrial Training Report File On DRI (18/02/2017-09/03/2017) Submitted To Submitted By Mr. MK Pyasi Shani Kumar Singh General Manager Roll No-1344948 Direct Reduced Iron Plant-2 Branch-Mechanical Jindal Steel and Power Ltd, Raigarh Semester-8th College-CGC-COE, …