sponge iron plant process

Coke (fuel) - Wikipedia

Coke is a grey, hard, and porous fuel with a high carbon content and few impurities, made by heating coal or oil in the absence of air — a destructive distillation process. It is an important industrial product, used mainly in iron ore smelting, but also as a fuel in stoves and forges when air pollution is a concern.

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 …

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.

What is Sponge Iron? (with pictures) - wisegeek.com

Jul 23, 2019· 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, blast ...

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

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). At integrated mini-mills, DRI can be hot charged to the EAF, at temperatures in the region of 650° C, …

sponge iron process

Jul 29, 2010· The Fe total content in sponge iron purely depends on Fe con tent in iron ore and the degree of reduction achieved in the process. Fe total content of 90%min is required for steel making requirement. Fe metallic: Fe metallic content in sponge iron depends on the effective control of process …

ORISSA SPONGE IRON AND STEEL LTD.

Coal acts as the reductant to romove oxygen from iron ore. The process of reduction causes micro pores in the ore body turning it porous. Directly reduced iron looks like sponge in texture due to pores and hence is called sponge iron. Iron Ore after due reduction inside the kiln is discharged to a rotary cooler of 3.5 mtr.

SPONGE-IRON - shakambhariispat.com

Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore (5 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln. Sponge iron is rich in Metallic Iron (Pure Iron) with consistent chemical & …

Sponge Iron Plant - entrepreneurindia.co

The sponge iron is a substitute for scrap in the electric arc furnace, which can be easily manufactured from indigenously available raw materials at very competitive price. It is the iron ore reduced in solid state by a direct reduction process using natural gas or non cooking coal as reluctant.

Sponge Iron Process for Manned Space Exploration

Sponge iron process for manned space exploration Final project report June 2005 Executive Summary REDOX cycling of an iron-rich contact mass has been investigated and applied with terrestrial hydrogen production from hydrocarbon and biomass sources. The governing

sponge iron process

sponge iron making through coal based (non-coking coal) is developed by siil, andhra pradesh through undp/unido aid and m/s.lurgi chemie technique , west germay. all the sponge iron plants of capacities of 50tpd, 100 tpd, 350 tpd and 500 tpd are developed on this technology only.

Energy integration of sponge iron production process

SPONGE IRON PLANT The process flow sheet of a typical coal-based sponge iron plant with material and energy balanced operating data is shown in the figure. 1. The overall production capacity of the plant is 100tpd. In this process screened iron ore (6.5tph), coal (3.529tph) and dolomite (0.2tph) are charged into the rotary kiln.

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 …

Design Modifications for Energy Conservation of Sponge ...

sponge iron manufacturing and suggested improvement in that. However, as the present paper is based on energy savings of sponge iron plant, literature, focused on this aspect, is discussed

Sponge Iron Plant Manufacturers and Sponge Iron Equipment ...

Sponge Iron Plant Manufacturers. The process was widely accepted by almost all developing countries where generation of scrap was less in comparison to requirements. Steel produced by recycling process found much cheaper than the steel produced by blast Furnace process. The scrap vanished gradually causing threat to the Arc furnace where BF-BOF ...

Pilot plant slated for a H2-based process to make DRI from ...

Aug 01, 2019· Pilot plant slated for a H2-based process to make DRI from iron-ore fines. By Gerald Ondrey | August 1, 2019. The use of direct reduced iron (DRI; sponge iron) and hot briquetted iron (HBI) is expected to continue to grow due to the need to reduce greenhouse gas emissions and the growing number of electric arc furnaces (EAFs) in service ...

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

Process. 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 ...

Process Plant Equipment - Sponge Iron Plant Equipment ...

Exporter of Process Plant Equipment - Sponge Iron Plant Equipment offered by Varsha Techno Ind- Equip Pvt. Ltd, Hyderabad, Telangana.

(PDF) i) Direct Reduced Iron: Production - ResearchGate

i) Direct Reduced Iron: Production ... Selection of coals for rotary kiln sponge iron plant. Article. Jan 1987 ... A lot of investigations have been carried out on direct reduction process of iron ...

Direct Reduced Iron (DRI) Production Plant - ECCJ

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD. Basic Concept or Summary S-16 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.

A leader in metal powders born in Sweden | Höganäs

Sieurin invents sponge iron method The Höganäs Method is invented by engineer Emil Sieurin. The method means reducing iron ore with the help of coke, lime and clay. After patenting the method, Höganäs starts production in 1911 and in 1912 a plant is built. Later on, Höganäs will start grinding the reduced iron to powder, sponge iron powder.

Sponge Iron Plants | Steel Manufacturing Companies in ...

Commissioned in 1991, the Raigarh plant has a manufacturing capacity of 1.37 MTPA and metallic iron content of more than 81%. The plant uses direct reduced iron (DRI) process method of production and utilises ten indigenously developed rotary kilns (6 kilns of …

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

Recovery and utilization of waste heat in a coal based sponge iron process ... of coal of 264,535million tonnes the coal based sponge iron plants share the major amount of its production [2]. At present, there are 118 large and small sponge iron plants operating in India, among

Sponge iron making process - SlideShare

Nov 09, 2014· Making process iron ore to sponge iron Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.

Energy survey of the coal based sponge iron industry ...

This process is adopted by worldwide conventional sponge iron industries. The production of sponge iron in the plant undertaken is started in the financial year 1988–1989. For better visualization of the process the longitudinal section of coal based sponge iron plant …

Direct Reduced Iron | Industrial Efficiency Technology ...

Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BF-BOF and Scrap-EAF routes. In DRI, iron ore is reduced in its solid state – unlike BF process where a liquid metal is formed during reduction. DRI can then be transformed to steel in electric arc furnaces. DRI production is common in Middle East, South America, India and Mexico.

Ironmaking Technology - electricity-machinery.com

Rotary Hearth Furnace Technology . Tunnel Kiln Technology . Rotary Kiln Technology . Paired Pushing Kiln Technology . Chain Grate+Rotary Kiln Machine Tech. High Density Metallized Pellet ... Iron Ingot . Sponge Iron . Granular Iron . Oxidized Pellet . CONTACT US: Contact Person : Mr. Zhibin Jiang. Contact Phone : 0086 510 87820959.

Direct reduced iron and production of DRI part 1 - YouTube

Mar 11, 2016· The presentation gives features, properties and various details of direct reduced iron.

Sponge Iron | Gagan Group

The rotary kiln process is a well-established process for production of sponge iron. In this process a refractory lined rotary kiln is used for reduction of iron ore in solid state. The size depends on the production capacity of kiln. The kiln is mounted with a slope …

Plant Details - MGM Group

The basic raw materials for the production of sponge iron are iron ore, non coking coal and dolomite. Iron Ore: Iron ore is the source of iron and available in oxide form namely hematite(Fe2O3). As only oxygen can be removed from the iron ore during the process of making sponge iron iron,ores rich in iron content of 65percent and above is ...

Sponge Iron Plant - nakodagroup.com

SPONGE IRON PLANT. Nakoda Group is producing premium quality Sponge Iron through Direct Reduction Iron (DRI) Process. Sponge Iron is formed through the reduction of Iron Ore through reaction with carbon in the form of coal, etc. at approx 1100 degree Celsius. It is also referred to as direct reduced iron, metallized iron, or hot briquetted iron.

WELSPUN STEEL LIMITED

The process of sponge iron making aims to remove the oxygen from iron ore. The quality of sponge iron is primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product. Sponge iron manufacture is highly sensitive to raw material characteristics.

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