calculation of sponge iron recovery in induction furnace

Comprehensive Industry Document on Electric Arc a Induction ...

Document on Electric Arc & Induction Furnaces" is latest one in this series being published by ... The EAF/IF units use scrap and sponge iron as raw material to produce steel. To a large extent, the ..... recovery of waste gas heat recovery of .... determine the carbon and electricity requirements of the process. The recycling of...

Get Price

new 02 Steel.qxd:03 Aluminium.qxd - Centre for Science and ...

EIF: Electric Induction Furnace, DRI: Direct Reduced Iron, HBI: Hot Briquetted Iron. .... unfinished (pig iron and sponge iron) products as well as finished steel products ... Average specific emissions was calculated to be about 2.7 MT CO2/tcs. .... If all coal DRI units in India had adopted waste heat recovery and also utilized.

Get Price

Sand For Concrete From Steel Mills Induction Furnace Waste Slag

In making M.S. ingot steel scrap, sponge iron is melt in induction furnace. ... These mills grind the slag and recover iron content in it through magnetic separation.

Get Price

Metallurgical Engineering Department - NED University of ...

Gibbs-Hemholt equation, Gibbs-Duhem equation, Measurement of heat ... Introduction, Types of furnaces, electric, oil, gas, coal, thermal efficiency, methods of heat recovery, ... rotary furnace, electric arc, resistance and induction furnaces. ... Furnace. Charcoal furnace. Electrical furnace. Direct reduction- Sponge iron route -.

Get Price

Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon ...

E 351 Test Methods for Chemical Analysis of Cast Iron—. All Types5. E 352 Test ... E 173 or ISO 5725. 7.2 Calculated values shall be rounded to the desired num- ..... 43.2.1 Turn on the power of the induction furnace and allow the electronic ... NOTE 7—The recovery of sulfur as SO2 ranged from 72 to 97 % with an average...

Get Price

Design Modifications for Energy Conservation of Sponge Iron Plants ...

During the operation in the coal based sponge iron plant, a tremendous ... It is found that both cases are better than the existing heat recovery system of the plant. ... of sponge iron preheating using waste energy of electric arc furnace (EAF). ... for energy savings in various capacity sponge iron plants by estimating heat...

Get Price

REPORT OF THE WORKING GROUP ON STEEL INDUSTRY FOR ...

domestic steel sector managed to make a recovery helped by a resurgence in .... (ix) In the last four years the Indian Sponge Iron industry grew at an annual rate of ..... Electric Arc Furnace (EAF) and Induction Furnace (IF) units - with capacity .... (2) For calculating growth rates (CAGR) for a five year plan, the terminal year of.

Get Price

Direct Reduced Iron - International Journal of Engineering (IJE)

Abstract Industrial and experimental induction furnaces are used for melting various types of iron ingots, returned scraps and DRI sponge pellets to produce high purity cast -iron and steel heats. .... applied to calculate the rate of transfer of heat to the gassing solid .... only is the slag volume diminished, but the recovery of.

Get Price

Modern Concepts of Steel making through Induction Furnaces - aiifa

The various types of Induction Furnaces used for Steel making are medium ... The chemical analysis is examined, calculations made tin further additions are made ... more of sponge iron fines are charged in case carbon is less, cast iron scrap...

Get Price

Technology in Indian Sponge Iron Industry - DSIR

when the coal based DRI plant of Sponge Iron India Limited (SIIL) was commissioned ... Potential of sensible heat recovery from waste gases. Possibility of ... Basic Oxygen Furnaces (BOFs), Induction Furnaces (IFs) and Cupolas. There are a...

Get Price

CARBON RECOVERY FROM SPONGE IRON PLANT DUST

Mar 18, 2013 ... India is the world's largest Sponge Iron producer and mostly uses the Coal based process. The down-side ... CARBON RECOVERY FROM SPONGE IRON PLANT DUST .... Calculated at Coal cost @ Rs.5000 MT & Fly ash cost @ Rs 2500 MT. ... Production of Direct Reduced Iron in Rotary Hearth Furnace.

Get Price

September 2012 - SIMA. Providing input solutions to Steel Industry

Sep 10, 2012 ... I am glad to note that Sponge Iron Manufacturers Association is hosting first ever “India. International DRI .... and Induction Furnace for Steel Making. Hot Briquetted Iron ..... 1999- An additional set of heat recovery bundles.

Get Price

studies on direct reduced iron melting in induction furnace

growth of electric arc furnace (EAF) and induction furnace ... iron (DRI) or sponge iron which is not only a .... calculation, proportion of various charging materials.

Get Price

Sponge Iron Industry - Central Pollution Control Board

Mar 20, 2007 ... The Comprehensive Industry Document on Sponge Iron Industry is one in the series that the Central .... 7.6 Waste Heat Recovery Boiler (WHRB). 110 .... Pig Iron/scrap in the Electric Arc Furnace (EAF) and Induction Furnace(IF) for steel making ...... CO with FeO to form CO2 and metallic iron (Equation II).

Get Price

2013/TR3 - IEAGHG

steel from scrap; and the use of the induction furnace is unique to the Indian steel ... Blast Furnace and Smelting Reduction) or solid sponge iron/DRI (i.e. Direct ..... heat recovery equipment to include the pre-heating of the CO2-lean top gas (as ..... 14 The calculation of syngas demand is based on the estimate of ~900 Nm3...

Get Price

Electric furnace steel plants

Solid substances used in the electric arc furnace (scrap, ferrous alloys, iron slurry) are ... electrical energy into heat can be achieved by an electric or, induction, or plasma ... The raw materials (scrap, sponge iron, pig iron, alloying elements, etc.) ... The waste gas is passed through a cooler which can also serve to recover the...

Get Price

A Study of Energy Efficiency in the Indian Iron and Steel ... - Cstep

furnace and Induction furnace routes respectively. In 2009, India's total final ... annual energy savings were calculated and compared. ... and in India as well such the Coke Dry Quenching and Top Recovery Turbine among others. ... application in eight sample plants from the Integrated Steel Plant (ISP) and Sponge Iron (SI).

Get Price

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

Recovery and utilization of waste heat in a coal based sponge iron process. Vivek Kumar, Shabina ... lems inherent in blast furnace and induction furnace process such ..... estimating coal requirement is given through Eq. (6) where NHV is.

Get Price

Researches on the production of self-reducing briquettes from waste ...

pellets, briquettes, and agglomerate or sponge iron. .... The second part of the experiments was performed in an induction furnace with a capacity of 10kg ... Also for determining the recovery rate of iron from briquettes it was determined the...

Get Price

The application of transferred-arc plasma to the - Mintek

and sponge iron, received the attention it deserves. Freital Steel in the. German ... Submerged—arc, open—arc, and induction furnace remelting have been con- sidered as ..... overall recovery of silicon was calculated as 96 per cent. A total of.

Get Price

Plant Details - MGM

Power plants based on waste heat recovery from sponge iron plants 8MW 2nos ... Steel plant with induction furnace 10tons capacity 4nos,ladle refining .... input raw materials and output product/waste products was calculated as given below.

Get Price

Glossary - Ministry of Steel, Government of India

Sponge Iron (SI): DRI is also known as Sponge Iron because of its spongy micro ... Converter/Electric Arc Furnace/Electric Induction Furnace/Energy Optimising ..... battery vis-a-vis Non-recovery type coke ovens, also known as Bee-hive type...

Get Price

Induction Furnace and Important Operational Aspects | ispatguru

Feb 14, 2015 ... The induction furnace consists basically of a crucible, inductor coil, and shell, ... Steel melting scrap, direct reduced iron and pig iron/cast irons are the input raw ... at this stage calculations are made for further additions of the metallics. ... Besides, the quality of sponge iron, which is sourced mostly from coal...

Get Price

an investigation for generation of energy conservation measures for ...

Keywords: Sponge iron plant, Heat integration, Coal consumption, Capital cost, ... making through the electric arc furnace (EAF) route. ... proposed a number of options to recover energy of waste gas but did not .... induction fan mounted before the chimney. ..... The final empirical relation for estimating coal requirement is:.

Get Price

Krishna Iron Steel & Power Pvt. Ltd. - Chhattisgarh Environment ...

1.2.4.1 Waste Heat Recovery Boiler from Sponge Iron Unit ... for DRI, Induction Furnace, Rolling Mill, SEAF, Power and Domestic water. ... It is observed from the computation results that the maximum predicted incremental rise in 24 hourly.

Get Price

Melting behaviour of sponge iron in induction furnace - [email protected]

Laboratory has made an attempt to melt sponge iron in induction furnaces and optimize ... producing steel by melting sponge iron in coreless induction furnace .

Get Price

Nickel pig iron production from lateritic nickel ores - Pyro

Jun 9, 2013 ... and sponge forms are the main end-product types. The most ... Nickel pig iron (NPI) production is a new promising process, although it was firstly ... In this study, experiments were conducted in an induction furnace with graphite crucibles. ... The most efficient experiment in recovery of Ni and Co was the.

Get Price

Download the document - Home | Global CCS Institute

emissions in India, with the cement and the iron and steel industries the next biggest .... possibly also as a sink, via Enhanced Oil Recovery (EOR). .... Sponge iron production is predominantly coal-based, due to greater local availability. v. The high emissions intensity Electric Induction Furnace (EIF) route accounts for 30%...

Get Price

Production of Sponge Iron by Oxidation Roast and Carbothermic ...

Nov 13, 2013 ... Sponge iron of low degree of metallization was produced after ... up the prospect of setting up small scale electric arc or induction furnace based steel plants in PNG. REVIEW ... No attempt was made to recover SO2, as the main thrust of the present ... The degree of conversion (α) was calculated as follows:-...

Get Price

Production of Iron from Mill Scale Industrial Waste via Hydrogen

Jul 15, 2013 ... Mill scale is very attractive industrial waste due to its richness in iron ... recycling to the blast furnace via sintering plant [4]. Ap- .... The percentage of reduction was calculated according .... [3] S. Cho and J. Lee, “Metal Recovery from Stainless Steel ... and N. A. El-Hussiny, “The Influence of Reduced Sponge.

Get Price

Induction Furnace - A Review - Engg Journals Publications

calculated.The review is carried out from the literature in the various journals and manuals. Keywords- Induction Furnace, molten metal , productivity, Melt rate .... 1) Raw Material: Induction Furnaces are using Steel melting scrap, Sponge Iron...

Get Price

Sponge Iron - WELSPUN STEEL LIMITED

Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state. ... Superior technical support to induction furnace operators .... Important factors determining coal quality are : ... WSL has installed 4 Nos of 10 TPH Waste Heat Recovery Boilers (WHRB) and 1 Nos of AFBC Boiler of 20 TPH and...

Get Price

IS 12668 (1989): Melting characterstics of sponge iron/direct ...

Jun 1, 2010 ... The technology of melting sponge iron is presently in an ... Section 3A Melting characteristics of DRI in ( induction furnace ) foundry.

Get Price

“DEPHOSPHORIZATION OF STEEL PRODUCED FROM SPONGE ...

PRODUCED FROM SPONGE IRON IN THE INDUCTION FURNACE” ..... metal samples were collected to determine the degree of dephosphorization. ..... Induction furnace has lower tapping temperature compared to EAF to recover the...

Get Price

Electric arc furnace - Wikipedia, the free encyclopedia

An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric ... Arc furnaces differ from induction furnaces in that the charge material is ... In the 19th century, a number of men had employed an electric arc to melt iron. ..... Bloomery (produces sponge iron); Blast furnace (Cold blast • Hot blast)...

Get Price