Customer case aboutore for sprong iron making

ore for sprong iron making

Sponge iron making process SlideShare

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

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WELSPUN STEEL LIMITED

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. The process of sponge iron making aims to remove the oxygen from iron ore.

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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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Ironmaking 101 From Ore to Iron with Smelting and Direct

Oct 17, 2017 Source: World Steel Association (worldsteel) The first step in the production of steel or cast iron alloys is the reduction of iron ore—which contains iron oxide and gangue or mineral impurities—to unrefined, reduced iron form. Blast furnaces and reduction smelters produce “hot metal” or

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The Application and Benefits of Sponge Iron PK Steel

Jan 21, 2019 Sponge iron is a metallic product produced through the direct reduction of iron ore in the strong state. It is a substitute for scrap and therefore is mostly applicable in making steel through the secondary route. The procedure of sponge iron making aims to expel the oxygen from iron ore. The level of metallization (expulsion []

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Steel making process ArcelorMittal

In the former process, iron ore is the main raw material. In an electric furnace, scrap iron is used and occasionally also sponge iron. Sponge is an intermediate product, which is produced from iron ore by means of direct reduction (= DRI or directly reduced iron) and that is then further reduced and smelted in an electric furnace. Click on

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Ironmaking Process an overview ScienceDirect Topics

Apr 04, 2012 Often limestone (CaCO3) or dolomite (CaMg (CO 3) 2) is added with the feed to an RK and mixed with iron ore concentrate to act as a desulfurizing agent. The specification for sulfur in RK-grade coal in India is a maximum of 1% [ 38 ]. The maximum moisture content allowed in

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Ironmaking 101 From Ore to Iron with Blast Furnaces

Oct 10, 2017 Iron ores with lower iron content such as taconite are first processed to concentrate the iron level and drive off volatile impurities. The iron ore is dressed or crushed into 0.5-1 in. chunks, which increases surface area for reactions. Magnetic separation is used to remove some of the undesirable minerals or gangue in the crushed ore.

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Ironmaking 101 From Ore to Iron with Smelting and Direct

Oct 17, 2017 Unlike blast furnace pig iron, the siliceous gangue in the iron ore remains in reduced iron sponge and needs to be removed in the steel-making process. Extractive metallurgists and engineers will continue to invent new ironmaking processes to provide more environmentally friendly, energy efficient and lower-cost iron alloys with improved

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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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Extractive Metallurgy: Sponge Iron Making

Oct 11, 2013 Sponge Iron Making The process of sponge iron manufacturing involves removal of oxygen from iron ore. When that happens, the departing oxygen causes micro pores in the ore body, turning it porous. When the eventual product is observed under a microscope, it resembles a honeycomb structure, which looks spongy in texture.

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HYBRIT partners choose Gällivare for fossil-free sponge

The goal is to expand sponge iron production to a full industrial scale of 2.7 Mt by 2030 to be able to supply SSAB, among others, with feedstock for fossil-free steel. The choice of Gällivare for the demo plant was based on a joint assessment of industrial synergies, where proximity to iron ore, logistics, an electricity supply and energy

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Steel making process ArcelorMittal

In the former process, iron ore is the main raw material. In an electric furnace, scrap iron is used and occasionally also sponge iron. Sponge is an intermediate product, which is produced from iron ore by means of direct reduction (= DRI or directly reduced iron) and that is then further reduced and smelted in an electric furnace. Click on

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Corex Process in Iron Making SlideShare

Dec 02, 2009 Accordingly a Corex plant has shaft unit, where iron ore pellets (with or without some closely sized lump ore) is reduced by gases emanating from the second unit to make hot sponge iron (first stage). This is mechanically transferred to the second unit or Melter-Gasifier where it is melted and carburised (second stage) by injection of both coal

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

This standard has been formulated by amalgamating IS 10812:1992 ‘Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making’, IS 13839: 1993 ‘Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making’ and IS 13905:1993 ‘Hot briquette sponge iron (HBI) for steel making’.

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Blast furnace Wikipedia

Cast iron from the furnace was used to make girders for the world's first iron bridge in 1779. The Iron Bridge crosses the River Severn at Coalbrookdale and remains in use for pedestrians. Steam-powered blast. The steam engine was applied to power blast air, overcoming a shortage of water power in areas where coal and iron ore were located.

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Ore A Minecraft Package Repository

A Minecraft Package Repository

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Top Sponge Iron Manufacturer In Kolkata, India

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. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen from iron ore

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sponge iron process

Jul 29, 2010 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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Rotary Kiln Steel-making Solution Provider

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). Since DRI is produced by removing oxygen from iron ore, its structure is just like

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Iron Forge in Colonial America by Harry Schenawolf

Sep 06, 2016 By the late 1600’s and early 1700’s, iron ore was still being mined in Virginia and western Massachusetts. Small scale bloomeries, the most primitive form of smelting, reduced the ore into a porous mass of iron slag called bloom or sponge iron. The bloom was hammered into a low quality wrought iron by using hand held or large, heavy hammers

get price

Ironmaking 101 From Ore to Iron with Smelting and Direct

Oct 17, 2017 Unlike blast furnace pig iron, the siliceous gangue in the iron ore remains in reduced iron sponge and needs to be removed in the steel-making process. Extractive metallurgists and engineers will continue to invent new ironmaking processes to provide more environmentally friendly, energy efficient and lower-cost iron

get price

SPONGE IRON PLANT

sponge iron, originating from Iron Ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation. Therefore, the ore should be high in iron content and low in gangue, Physical Specification Size 5-20 mm Oversize

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Ironmaking 101 From Ore to Iron with Blast Furnaces

Oct 10, 2017 Iron ores with lower iron content such as taconite are first processed to concentrate the iron level and drive off volatile impurities. The iron ore is dressed or crushed into 0.5-1 in. chunks, which increases surface area for reactions. Magnetic separation is used to remove some of the undesirable minerals or gangue in the crushed ore.

get price

Extractive Metallurgy: Sponge Iron Making

Oct 11, 2013 Sponge Iron Making The process of sponge iron manufacturing involves removal of oxygen from iron ore. When that happens, the departing oxygen causes micro pores in the ore body, turning it porous. When the eventual product is observed under a microscope, it resembles a honeycomb structure, which looks spongy in texture.

get price

HYBRIT partners choose Gällivare for fossil-free sponge

The goal is to expand sponge iron production to a full industrial scale of 2.7 Mt by 2030 to be able to supply SSAB, among others, with feedstock for fossil-free steel. The choice of Gällivare for the demo plant was based on a joint assessment of industrial synergies, where proximity to iron ore, logistics, an electricity supply and energy

get price

Steel making process ArcelorMittal

In the former process, iron ore is the main raw material. In an electric furnace, scrap iron is used and occasionally also sponge iron. Sponge is an intermediate product, which is produced from iron ore by means of direct reduction (= DRI or directly reduced iron) and that is then further reduced and smelted in an electric furnace. Click on

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Tunnel Kiln Steel-making Solution Provider

These pellets are then used for making sponge iron. Rotary kilns have a drawback upon the size and quality of iron ore that can be used. Initially, when the process was first introduced, the ore with an iron content >/= 65% was preferred and the preferred size of ore was 5-18mm.

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

This standard has been formulated by amalgamating IS 10812:1992 ‘Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making’, IS 13839: 1993 ‘Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making’ and IS 13905:1993 ‘Hot briquette sponge iron (HBI) for steel making’.

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NMDC Limited Company Information

Because of its excellent chemical and metallurgical properties, the calibrated ore from Bailadila deposits has substituted the iron ore pellets in sponge iron making and hence became an important raw material for three major gas-based sponge iron steel producers like

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Blast furnace Wikipedia

Cast iron from the furnace was used to make girders for the world's first iron bridge in 1779. The Iron Bridge crosses the River Severn at Coalbrookdale and remains in use for pedestrians. Steam-powered blast. The steam engine was applied to power blast air, overcoming a shortage of water power in areas where coal and iron ore were located.

get price

Iron Forge in Colonial America by Harry Schenawolf

Sep 06, 2016 By the late 1600’s and early 1700’s, iron ore was still being mined in Virginia and western Massachusetts. Small scale bloomeries, the most primitive form of smelting, reduced the ore into a porous mass of iron slag called bloom or sponge iron. The bloom was hammered into a low quality wrought iron by using hand held or large, heavy hammers

get price

How to Manufacture Pig Iron: How Pig Iron is made?

For instance, the necessity of making iron ore pellets for subsequent conversion into sponge iron may be eliminated in the new projects. The process is simple and the control factors of process temperature exhaust gas composition and product quality can be easily managed by the latest techniques. (iii) Production: There are large reserves of

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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

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Direct reduced iron process tec-science

The appearance resembles a porous sponge, which is why the deoxidized and thus strongly ferrous iron ore is also called sponge iron. Sponge iron is a highly ferrous ore from the direct reduced iron process! In order to prevent excessive re-oxidation of the sponge iron in the ambient air, it must be cooled down in the lower region of the shaft

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