pellets of sponge iron

Sponge Iron – Metalist

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 a high temperature of 800 to 1200 C

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REDUCTION BEHAVIOUR OF IRON ORE PELLETS

Sinters can be made for iron ore fines and used in the blast furnace. Composite pre-reduced pellets (CPR) can be made from iron ore and coal fines for use in iron blast furnace or EAF. Sponge iron rods, granules, etc can be made by iron ore fines in coal.

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Iron Price, Steel Price, Scrap Rate, Ingot Price, Old

Steel Information Marketing System (SIMS) is a ISO 9001-2008 Trade Mark Registered company .The Company is started in 2009 and Our Expert who has an experience of more than 15 years in dealing with Heavy Melting Scrap(HMS) and Rolling Materials.

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The HBI direct reduction process

Nov 03, 2016HBI is the product of reducing iron ore with natural gas. HBI stands for hot briquetted iron – porous sponge iron, pressed into briquettes. HBI is created by reducing the iron ore with natural gas. HBI can be used as a pre-material in blast furnaces or electric arc furnaces. In blast furnaces, HBI replaces coke and iron ore, while in electric arc furnaces it replaces scrap metal.

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US4388116A

Sponge iron pellets are protected against re-oxidation by pre-wetting them with water or steam, coating them with a pulverulent passivating agent which is a mixture of iron oxide particles and hydraulic cement particles, then drying the treated pellets. Especially good results are achieved by using a hydraulic cement such as Portland cement and an iron oxide/cement ratio of 40:60 to 70:30.

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Characterisation of the Physical and Metallurgical

Iron is mainly produced through two methods; the blast furnace, BF, route (pig iron), and the direct reduction, DR, route (sponge iron). According to the World Steel Association, 2011 [ 1 ], crude steel production was standing at 1.4 billion tonnes by the end of 2010.

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Sponge Iron

Composite pellets or briquettes are formed from intimate mixtures of finely ground iron oxide (iron ore) and carbon (coal or charcoal). When heated to 1250–1400 C, the iron oxides are reduced to form metallic sponge iron, and the other mineral components form a slag phase.

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iron ore pellets manufacturing process by tunnel kiln

sponge iron production from ore -coal composite pellets in tunnel kiln the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron Keywords: Tunnel Kiln, Iron ore-coal composite pellets, Sponge iron, good, and so the process finds application in reduction of Ferro-nickels.

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REDUCTION BEHAVIOUR OF FIRED IRON ORE PELLETS

of sponge Iron production is mostly the consequence of indirect reduction. Currently a lot of prominence is being given to direct reduction process because use of pre-reduced pellets or sponge iron as feed for blast-furnace induction-furnaces basic-oxygen furnaces, in spite of of some associated disadvantages,

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Sponge Iron Production From Ore

Sponge Iron Production From Ore-Coal Composite Pellets in Tunnel Kiln Khattoi, S C and Roy, G G (2013) Sponge Iron Production From Ore-Coal Composite Pellets in Tunnel Kiln. In: Proceeding of the international conference on science and technology of ironmaking and steelmaking, December 16-18, 2013, CSIR-NML Jamshedpur.

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basic difference between dri and pellet BINQ Mining

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 of sintering or pelletization plants, coke ovens, blast furnaces, and basic oxygen furnaces.

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Sponge Iron Process for Manned Space Exploration

Sponge iron process for manned space exploration Final project report June 2005 Prepared by: Dr. Simon Fraser Christian-Doppler Laboratory for Fuel Cell Systems Institute for Chemical Technology of Inorganic Materials Graz University of Technology Steyrergasse 21 A-8010 Graz Tel. +43(0)316 873 8787 Fax +43(0)316 873 8782 simon.fraserTUGraz.at

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Sponge Iron – Metalist

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 furnace at high

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SPONGE

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 (850C -1,500C).

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Sponge Iron Manufacturer in India by Shyam Metalics

Sponge Iron India is world's largest producer of sponge iron produced through direct reduction of iron-ore / iron pellet in the solid state. Sponge iron is a spongy mass of iron which is a metallic product produced through direct reduction of iron ore/ iron pellet in the solid state.

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What is the difference between sponge iron and billets

Dec 30, 2016Sponge iron is a product which is obtained from iron ore. It is sometimes also known as Direct Reduced Iron (DRI). It is sometimes also known as Direct Reduced Iron (DRI). Generally, iron ore is in the form of pellets or lumps.

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Iron Sponge Process

May 27, 2013The iron sponge process uses the chemical reaction of ferric oxide with H2S to sweeten gas streams. This process is applied to gases with low H2S concentrations (300 ppm) operating at low to moderate pressures (50-500 psig). Carbon dioxide is not removed by this process.

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dri sponge iron price

Exports of Iran sponge iron with HS code 72031000 to various countries such as Kuwait, Oman, Iraq, Turkey, Malaysia, Indonesia, India, UAE, Syria, China, Pakistan and Georgia. Exports of this product in the form of sponge iron pellets in bulk and jumbo, are also briquetted.

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Difference Between Iron Ore and Iron

Jun 14, 2011Iron is extracted from its ore through removal of oxygen, which is a process called its reduction. Another process is through blast furnace where the ore is heated with carbon (coke). Iron thus produced using coke in blast furnaces is called pig iron, while iron produced through direct reduction is called sponge iron.

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What is the difference between pellets and sinter?

Advantages of Pellets: Pellets are uniformely sized, with purity of 63%- 68% contributing to faster reduction and high metallization rates. Pellets with their high, uniform mechanical strength and high abrasive strength increase production of sponge iron by 25% to 30% with same amount of fuel.

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Iron ore pellets as feed to Sponge Iron Plants

Use of pellets to manufacture sponge iron All most all the coal based sponge iron plants use iron ore lumps. The requirement is generally 1.8 t/ t of sponge iron. This high requirement is mainly due to the fines generated in handling the purchased ore from the source to the plant.

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Sree Metaliks Limited

Sree Metaliks Limited[SML] entered the corporate domain in nineties with a production base for Sponge Iron at BARBIL, the iron ore mining heartland in the state of Orissa-India. Prior to nineties main engagement was in iron ore mining and it is still one of the important business verticals.

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Lubrication of Girth Gears in Sponge Iron Plants

Oct 03, 2011The major raw materials required for production of sponge iron are oxides of iron in the form of lump iron, pellets, non-coking coal and fluxes (limestone and dolomite). Use of high purity of lump ore, pellets with low phosphorus at an economic price helps in the cost effective production of sponge iron.

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PROPOSED EXPANSION OF SPONGE IRON/SPONGE PELLETS

PROPOSED EXPANSION OF SPONGE IRON/SPONGE PELLETS MANUFACTURING UNIT IN EXISTING PREMISES Identification of the project proponent Presently following are the directors of the company:- Mr. Chandrashekhar N Ayachi Mrs. Girija C Ayachi 2.2 Brief description of nature of the Project PROPOSED EXPANSION OF SPONGE IRON/SPONGE PELLETS MANUFACTURING

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Sponge Iron

SAL product range consists of Direct Reduced Iron (DRI/Sponge Iron), Ferro Alloys, Iron Ore pellets and various finished steel products. The company has double advantage of having proximity one of the busiest commercial port and also to the customer of company's finished products.

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Direct Reduced Iron (DRI)

point of iron (1,538C, but the furnace is usually heated to a temperature of between 800 and 1,050C). The reaction between the iron ore pellets and hot gas removes the chemically-bound oxygen component from the iron oxide ore, leaving metallic iron pellets (cold-moulded DRI) with a sponge-like structure.

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

The size range of the sponge iron lumps for use in steel making shall be as follows: Size – 3t020mm +20 mm – 5 percent, MUX –3 mm – 5 percent, Max This size range shall be valid for sponge iron at the despatch end only. The size range at the receiving point shall

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Cold bonded ore–coal composite pellets for sponge

The kiln productivity increased and energy consumption decreased, compared with levels obtained when sized lump ore was used as iron oxide feed material. The plant trials established the suitability of composite pellets for sponge ironmaking with enhanced kiln productivity.

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Sponge Iron Venezuela

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Sponge Iron Venezuela

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