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calculation of sponge iron recovery in induction furnace

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calculation of sponge iron recovery in induction furnace

calculation of sponge iron recovery in induction furnace. Calculation of sponge iron recovery in induction furnace 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 c iron oxide is charged into shaft furnace rotary kiln or fluidied beds in the form

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calculation of sponge iron recovery in induction furnace

calculation of sponge iron recovery in induction furnace. Laboratory has made an attempt to melt sponge iron in induction furnaces and optimize its melting behavour it is possible to use continuous charging arrangements for melting of lx sponge iron in induction furnace introduction steel scrap is normally the feed stock for the production of steel in induction furnace

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calculation of sponge iron recovery in induction furnace

calculation of sponge iron recovery in induction furnace; calculation of sponge iron recovery in induction furnace. Pakistan Journal of Scientific and Industrial Research. Article ID Author Title Submission Date Status 2157 Muhammad Khawar Hayat Radiolysis Induced Dosimetric Response of Reactive Yellow 160 .

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calculation of sponge iron recovery in induction f

through induction melting furnace contributes about 31 % of Indias total steel induction furnaces is steel scrap cast iron and sponge iron. 3 Change in phosphorous distribution ratio as a function of FeO Separation and Recovery of RE and Mn From MN Rare Earth Mud in China 02-Stoichiometric

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slag recovery process of iron from induction furnace

calculation of sponge iron recovery in induction furnace. calculation of sponge iron recovery in induction furnace. Laboratory has made an attempt to melt sponge iron in induction furnaces and optimize its melting behavour it is possible to use continuous charging arrangements for melting of lx sponge iron in induction furnace introduction ...

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Production of Steel in Induction Furnace – IspatGuru

The induction furnace for melting sponge iron is required to have a large ratio of cross sectional area to volume so that the heat transfer is high and to keep the slag hot and fluid. The induction furnace uses the transformer principle of induction, i.e. when an electrical conductor is placed in a fluctuating magnetic field then a voltage is induced in the conductor.

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Steelmaking in Induction Furnace – IspatGuru

For every 1 % slag formed at 1500 deg C energy loss is 10 kWh per ton. Unlike steel scrap, iron scrap, and pig iron, the sponge iron is characterized by (i) high porosity, (ii) low density, (iii) low thermal conductivity, (iv) high specific surface area, (v) high oxygen content, and (vi) intermediate carbon content.

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Sponge Iron - an overview ScienceDirect Topics

In the first step, iron ore is reduced to sponge iron in a shaft furnace by means of reducing gas. In the second step, the reduced iron is completely reduced and melted in the melter-gasifier vessel. The combustion and gasification of the coal in the melter gasifier generate the heat to melt the reduced iron and the hot reducing gas containing 65–70% CO, 20–25% H 2 , and 2–4% CO 2 .

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A PROCESS FOR REFINING STEEL IN INDUCTION FURNACE

The furnaces greater than 5 ton sizes are popular in India to make steel using sponge iron. Sponge iron in induction furnace is used as a substitute of steel scrap. Usually such 4 furnaces are provided with acidic lining. Impurities such as phosphorous, sulphur, carbon etc cannot be removed by lancing oxygen in the bath.

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How to Calculate Electricity Cost ... - ELECTROHEAT

Require kWh = 612.5 kWh/ ton x 50 ton. Require kWh = 30,625 kWh require to melting 50 of the aluminum scrap. Let assume Utility company charge $ 0.108 per kWh for electricity (electricity cost will be different for your case) Monthly Electricity cost = 30,625 kWh x $ 0.108 /

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calculation of sponge iron recovery in induction furnace

calculation of sponge iron recovery in induction furnace; calculation of sponge iron recovery in induction furnace. Pakistan Journal of Scientific and Industrial Research. Article ID Author Title Submission Date Status 2157 Muhammad Khawar Hayat Radiolysis Induced Dosimetric Response of Reactive Yellow 160 .

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Steelmaking in Induction Furnace – IspatGuru

For every 1 % slag formed at 1500 deg C energy loss is 10 kWh per ton. Unlike steel scrap, iron scrap, and pig iron, the sponge iron is characterized by (i) high porosity, (ii) low density, (iii) low thermal conductivity, (iv) high specific surface area, (v) high oxygen content, and (vi) intermediate carbon content.

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STUDIES ON DIRECT REDUCED IRON MELTING IN INDUCTION FURNACE

iron oxide is introduced into a high carbon bath at high temperature, there is a vigorous carbon boil that could be extremely dangerous. An induction furnace for melting DRI should have a large ratio of cross sectional area to volume so heat transfer is high and it keep the slag hot and fluid.11 3.1 Basis of Calculation 3.1.1 Rate of Melting

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Melting behaviour of sponge iron in - EPrints

(1) The experience of melting sponge iron in induction furnaces infers that the best usage and melting of the sponge iron can be achieved if the particle size of the sponge iron is in close range and its metallization is + 90%. The density of its particle should be as high as possible. (2) Even acidic slag facilitiates the melting of sponge iron.

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Development of charge calculation program for target steel ...

Development of charge calculation program for target steel in induction furnace . Saliu Ojo SEIDU* and Adetunji ONIGBAJUMO . Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Ondo State. P.M.B 704. E-Mails: * [email protected], [email protected] * Corresponding author, phone: +2347088277396 . Abstract

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Sponge Iron - an overview ScienceDirect Topics

In the first step, iron ore is reduced to sponge iron in a shaft furnace by means of reducing gas. In the second step, the reduced iron is completely reduced and melted in the melter-gasifier vessel. The combustion and gasification of the coal in the melter gasifier generate the heat to melt the reduced iron and the hot reducing gas containing 65–70% CO, 20–25% H 2 , and 2–4% CO 2 .

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Induction Furnace and Important Operational Aspects ...

Emission rate from an induction furnace depends upon the charge material which again depends upon the product being made from that furnace. If the product being made is a good quality casting then emissions are of the order of 1 to 2 kg/ton metal charge but if it is ingot/billet which then emission rates of the order of 10 to 20 kg/ton metal charge are normal.

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sponge iron process

The important constituents determining the quality of sponge iron are the Fe total, Fe metallic , sulphur, phosphorous, carbon and gangue content. Fe total: 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.

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Studies on direct reduced iron melting in induction

The experiment was continued to reduce pellet composite in the HBC furnace. The pig iron produced from this process contained of 93.62%Fe, 3.5%C, 1.55%Si, 0.87%Mn, 0.05%P, and 0.087%S.With this ...

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How to Calculate Electricity Cost ... - ELECTROHEAT

Require kWh = 612.5 kWh/ ton x 50 ton. Require kWh = 30,625 kWh require to melting 50 of the aluminum scrap. Let assume Utility company charge $ 0.108 per kWh for electricity (electricity cost will be different for your case) Monthly Electricity cost = 30,625 kWh x $ 0.108 /

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DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE IRON

The conventional blast furnace process uses coking coal. The DRI process doesn‟t require coking coal and therefore is advantageous. In the present work waste heat recovery system is designed to integrate the heat of waste gas in the sponge iron process. For this purpose a case study of typical sponge iron

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Billet casting from scrap and sponge iron using induction ...

Billet casting from scrap and sponge iron using induction Furnace - Project Report - Manufacturing Process - Cost - Investment Required. Report includes feasibility report, profitability analysis, raw materials, break even points, formulations and formula and much more.

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Studies on direct reduced iron melting in induction

Carbon charged through CBIC into the electric steelmaking furnace enhanced iron recovery from the molten slag more effectively and caused higher Fe yields amounts in comparison with free-charged ...

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Removal of Phosphorous from Steel Produced by

Request PDF Removal of Phosphorous from Steel Produced by Melting Sponge Iron in Induction Furnace In secondary route of steelmaking, production through induction melting furnace contributes ...

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(PDF) Refining of Steel Through Induction Furnace-LRF ...

The amount of sponge iron in the charge mix varies from 0-90% depending on its availability and economics of production. Majority of the steel produced through induction furnace route is plain ...

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MetallurgicalFurnaces - vscht

Metallurgical Furnaces 1 MetallurgicalFurnaces For other industrial reactors and their applications, see →Stirred-Tanc and Loop Reactors, →Tubular ... production of sponge iron is the SL/RN pro-cess[40],[139],illustratedinFigure6.Lump ore, pellets, titanomagnetite-containing sea-

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sponge iron process

TECHNICAL ASPECTS OF MANUFACTURE OF SPONGE IRON We have produced 55 million tons plus of steel in our country in the year 2008.This production of steel has come thro both conventional blast furnace route , electric arc/induction furnace route and thro new iron making technology COREX.

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Direct reduced iron process - tec-science

Direct reduced iron (DRI) process. In addition to the process route via the blast furnace process, there is another option for extracting crude steel from iron ores using the so-called direct reduced iron (DRI) process (secondary route).The starting point for the efforts to find an alternative to the blast furnace process was the relatively high process expenditure.

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Articles About Induction Technology Inductotherm Corp.

An article listing pros cons of the coreless furnace and channel furnace in holding iron, discussing each furnace’s ability for growth, as well as shortcomings. Request this article: How Your Induction Melt Shop Can Survive the Power Crisis Author(s): Mark T. Eckert Publication: An Inductotherm Publication Date: December 2001

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Singhal Group of Industries

The group has installed Waste Heat Recovery Boiler (WHRB) for generation of 20 MW Power. In Sponge Iron Plant, waste gas of 25000 NM3/Hr at 900 to 950 degrees centigrade is available. Technology is used to recover Waste Gases generated of high pressure, high temperature, and super heated steam by installation of Waste Heat Recovery Boiler (WHRB).

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