who make sponge iron from coal and iron ore process

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 ...

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,...

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 ...

Sponge iron making process - LinkedIn SlideShare

Nov 09, 2014· 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 % …

Difference Between Iron Ore and Iron | Compare the ...

Jun 14, 2011· Iron Ore vs Iron . Iron is one of the most important, and perhaps also one of the most abundantly found element on this planet. Iron has multifarious uses both as a structural and constructional material and it also has myriad industrial applications besides being used as furniture, railings and also as utensils in many parts of the world.

SPONGE IRON PLANT

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron …

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 ...

The Making of Iron & Steel - SEAISI

The BOS process uses pure oxygen, injected by a lance, for refining the relatively impure hot metal (and scrap is used for temperature control). The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units. Compared to the BOS process, the EAF requires

Direct Reduced Iron and its Production Processes – IspatGuru

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.

Direct Reduced Iron (DRI) Production Plant

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL ENGINEERING CO., LTD. Basic Concept or Summary S-16 u A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gases.

Direct reduced iron - Wikipedia

Make Sponge Iron From Coal And Iron Ore Process. We are a large-scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment.

Coal,Carbon,Coke,Iron Ore,Sponge Iron,Bituminous Coal ...

Coal,Carbon,Coke,Iron Ore,Sponge Iron,Bituminous Coal Briquetting Line For Sale In Zhengzhou, Find Complete Details about Coal,Carbon,Coke,Iron Ore,Sponge Iron,Bituminous Coal Briquetting Line For Sale In Zhengzhou,Bituminous Coal Briquetting Line,Coal Briquette Line,Anthracite Briquette Making Line from Briquette Machines Supplier or …

coal based sponge iron process - ilparcodiprimavera.it

Energy survey of the coal based sponge iron industry. The actual process of the coal based sponge iron production is based on SL/RN process (jointly developed by the Steel Company of Canada, Lurgi Chemie, Republic Steel Company and National Lead Corporation in 1964), which works on direct reduction of ore.This process is adopted by worldwide conventional sponge iron …

Sponge Iron (DRI) | The Hira Group

With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns (1 * 350T and 3 * 500T) laid up the best DRI making process in India. It is Coal Fuel based DRI. Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron ...

Sponge Iron By Tunnel Process In South Africa

Sponge Iron By Tunnel Process In South Africa JSPL (Jindal Steel & Power Ltd) | Crocodyl … from a moderately performing company in the steel sector to the largest sponge iron … diamond mining in the Democratic Republic of Congo, and coal mining in South Africa .

DRI Plant - Sponge Iron Manufacturers & Iron Ore Mining in ...

It has now become one of the biggest Sponge Iron manufacturers in Vidarbha region of Maharashtra. The major raw materials required for production of Sponge Iron by using Rotary Kiln Process are sized iron ore and Non-coking coal. Dolomite / limestone in small quantities is also required as de-sulphurizing agent to control sulphur in the sponge ...

Steel making today and tomorrow - Hybrit

In the HYBRIT- concept, specially developed iron ore pellets are reduced by hydrogen gas in a so-called direct reduction process. 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 ...

Sponge Iron Composition & Manufacturing Process - Lloyd's ...

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 ...

sponge iron process: IRON ORE & MGM IRON ORE

COAL INJECTION IN ROTARY KILN K.Ramu, C.Ramesh, A.Rajasekaran During the process of manufacture of sponge iron, coal injection plays a v... IRON ORE & MGM IRON ORE Iron ores are rocks & minerals from which metallic iron can be extracted types of iron ore …

What is Sponge Iron? (with pictures) - wiseGEEK

Apr 23, 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 …

Sponge Iron – Metalist.co

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. Reduced iron derives its name from the chemical change that iron ore undergoes when it is heated in a …

sponge iron process

Jul 29, 2010· IS 11092: 1991 Iron ore pellets for direct reduction process. IS 11093: 1991 Iron ore lumps for direct reduction process. IS 11284: 1985 Rotary tube test for iron bearing materials for the manufacture of sponge iron/direct reduced iron(DRI). IS 1285 : 1985 Various tests on raw materials to be used for coal based rotary kiln

Beneficiation of iron ore sponge iron in India-Ore ...

Beneficiation of iron ore sponge iron in India. Sponge iron, also known as direct reduction iron, uses high-quality ore, using redox reaction principle, in addition to the way out through the filter type, the pipe, boiler and circulating water dissolved oxygen corrosion after water treatment water dissolved oxygen content can reach below 0.05 mg/L.. With low backwashing frequency, …

SPONGE IRON – Properti Industri terpercaya

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.

PRODUCTION OF IRON AND STEEL POWDERS

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

How to use magnetite iron ore to make sponge iron in coal ...

the idea of the process of how to make sponge iron from iron ore is basically to add coal to remove oxygen from iron by adding non coking coal and to remove sulfur by adding lime stone, the iron ore and coal are crushed in crushers and screened to the recommended sizes (5mm- mm), then mixed and heated to degrees centigrade s, the mixture is treated in rotary kiln process …

Difference Between Sponge Iron and Pig Iron | Compare the ...

Apr 30, 2011· The key difference between sponge iron and pig iron is that we can produce sponge iron by direct reduction of iron ore through reducing agents whereas the production of pig iron is by melting iron ore with charcoal and limestone at very high pressures.. Sponge iron and pig iron are different forms of iron that we can produce from iron ores that occurs …

Recovery and utilization of waste heat in a coal based ...

Fines of iron ore at 900 oC Kiln Feeding Iron ore: Feed coal: Dolomite All at 30 C Rotary Cooler Sponge iron (magnetic) At 110 oC Water: at 30 oC DSC 900 C 1020 C Dust: ABC Air: WHRB Waste gas Water: ESP Dust Wet scraper waste gas Dusty gas Chimney Steam Water: at 34.5 oC Fe (Mag)=4.166 tph Char= 0.554 tph Ash=2.21 tph Spent lime=0.07tph Coal=2 ...

Analyzing The Differences Between Iron And Iron Ore

Almost 35% mass of the earth is covered by iron and its ores. Iron ore suppliers follow a process called reduction in which oxygen is removed from iron ores and pure iron is obtained. Iron ore suppliers make use of blast furnaces for the production of steel and other alloys which are used in many industries.

(PDF) Energy survey of the coal based sponge iron industry

In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding.