sponge iron gas based process diagram

Modeling and Simulation of the MIDREX Shaft Furnace

Request PDF Modeling and Simulation of the MIDREX Shaft Furnace Reduction Transition and MIDREX technology which is the most important gas based direct reduced iron DRI process in the

Coal Gas for DRI plant

Coal Gasification Plant and use of by products Angul Direct reduced iron DRI also called sponge iron is produced from direct reduction of iron in the form of lump pellets or fines by a reducing gases produced from natural gas or coal This reduction takes

Direct Reduced Iron and its Production Processes – IspatGuru

Fig 2 Principle of direct reduction process Gas based process In the gas based reduction processes a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to

Sponge Iron Manufacturer India

For producing the sponge iron through this process requires high grade of iron ore and non coking coal Gas Based DRI HBI In this process route iron oxides are converted to the DRI HBI by using natural gas in a vertical shaft furnace

Sponge Iron DRI The Hira Group

With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns 1 350T and 3 500T laid up the best DRI making process in India It is Coal Fuel based DRI Coal based Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state As such it is also known as Direct Reduced Iron DRI

sponge iron process

In general the gangue content in sponge iron varies from 4 to 8 Carbon content The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0 08 to 0 20 The carbon content in gas based

MIDREX Processes

The process reduces iron ore using a reforming gas made from natural gas The DRI is used mainly as the raw material for electric arc furnaces EAFs as a clean iron source substitute for scrap iron Pores are left behind in the DRI after oxygen has


Sponge iron is produced primarily both by using non coking coal and natural gas as reductant and therefore classified as coal based and natural gas process respectively Presently there are 118 large and small sponge iron

Use of Coke Oven Gas in DRI Plant

5 5 Sponge Iron Plant Technology – MIDREX Gas based Commissioned Original capacity 0 MTPA World s first mega module DRI plant Current capacity 6 MTPA Modifications carried out in 2005 Successfully operated with 100 Iron ore Lump in feed


State of direct reduction and reduction smelting processes J Min Met 38 3 ‡ 4 B 2002 129 Figure 3 Schematic Review of MIDREX PROCESS 2 ore or iron oxide pellet solids in the bed Figure 3 The reducing gas from 20 CO and 90 H2 is


gas based production units registered with Sponge Iron Manufacturers Association SIMA The existing capacity of production of Sponge iron is 6 978 million tonnes in coal based and 3 86 million tonnes in gas based units In addition to these there are several


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

Gas Based Sponge Iron Manufacturers amp Exporters

Need gas based sponge iron products manufacturers and exporters requirement for your industries in India Sponge iron is obtained by direct reduction of iron ore It contains nearly 94 of metallic iron and thus it is vital constituent in steel making process

Heat and Mass Transfer in Reduction Zone of Sponge Iron

Numerical prediction is performed on reduction zone of iron ore reactor which is a part of counter current gas solid reactor for producing sponge iron The aim of the present study is to investigate the effect of reduction gas composition and temperature on quality and

Direct reduced iron

Gas based direct reduction processes are particularly suitable for installation in those areas where natural gas is available in abundance and at economical prices The MIDREX process is a shaft type direct reduction process where iron ore pellets lump iron ore or a combination are reduced in a Vertical Shaft reduction furnace to metallic iron by means of a reduction gas see Figure 1 1 39

Sponge iron making full process Coal base DRI

nbsp 0183 32 Direct reduced iron DRI also called sponge iron 1 is produced from the direct reductionof iron ore in the form of lumps pellets or fines to iron by a reducing gas or elemental carbon

Coal Base DRI Operation Process Description and flow

Process Description and flow diagram of Coal Based DRI Plant Description of Sponge Iron Manufacturing Process Most of the plants in India use DRI process a solid state direct reduction process by which iron ore is reduced to sponge without phase

Make Sponge Iron From Coal And Iron Ore Process

Make Sponge Iron From Coal And Iron Ore Process We are a large scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment milling equipment mineral processing equipment and

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

A schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in Fig 1 The rotary kiln consists of a rotating cylindrical shell lined inside with refractory material The kiln is around 80 m long with 4 m internal diameter with

Gas Nitriding of Iron Based Alloys

GAS NITRIDING OF IRON BASED ALLOYS Von der Fakult 228 t Chemie der Universit 228 t Stuttgart genehmigte Abhandlung zur Erlangung der W 252 rde eines Doktors der Naturwissenschaften Dr rer nat Vorgelegt von B ENJAMIN S CHWARZ aus Waiblingen

Direct reduced iron final ppt

Direct reduced iron final ppt 1 International Corporation 2 History Established as Corporation 1967 Became member company of POSCO Group 2010 Major Business International Trading Project Organizing Natural

Natural Gas Sweetening Process Design

2011 145 Mearkeltor K Natural Gas Sweetening Process Design Natural Gas Sweetening Process Design gas by injecting into a suitable reservoir – acid gas injection Sharma amp Campbell 1969 In the transmission of natural gas further condensation of water is


DRI Sponge iron is produced primarily both by using non coking coal and natural gas as reductant and therefore classified as coal based and gas based process respectively Due to a promising availability of coal the coal based sponge iron

Energy Audit Methodology of Sponge Iron Manufacturing Units Using DRI Process

Energy Audit DRI Process Sponge Iron Kiln Efficiency Sankey Diagram of Kiln Coal Balancing 1 Background of This Study Sponge iron industries in India have mandatory energy performance target in terms of specific energy consump tion SEC They shall

Steel making today and tomorrow

Hydrogen based metallurgical process In the HYBRIT concept specially developed iron ore pellets are reduced by hydrogen gas in a so called direct reduction process Reduction occurs in a solid state at a lower temperature than in the blast furnace process and produces an intermediate product sponge iron or direct reduced iron DRI with water vapour emitted from the top of the furnace

World DRI and Pellet Congress 2014 Deependra Kashiva

While gas based DRI process is highly eco friendly and energy efficient coal based DRI process is Sponge Iron Manufacturers Association dkashiva11 sima org in dkedsima gmail com www spongeironindia in Title PowerPoint Presentation Author


All India production of Sponge Iron during April January 2009 is reported as 15 94 MT with share of 4 03 MT from gas based units and balance 11 91 MT from coal based units Capacity utilization in gas based DRI Units on all India basis during 09

Sponge Iron Plants Steel Manufacturing Companies in

Steel manufacturing Company in India JSPL has world s largest Coal based Sponge Iron manufacturing facility at Raigarh Chhattisgarh with capacity of 1 37 MTPA Download Brochure The company has the world s largest coal based sponge iron manufacturing

Biogas Desulfurization

The DSC process is based on the property of iron sponge to convert to iron pyrite in the presence of hydrogen sulfide To enhance the reactivity of the active product as well as the activity of the whole pellets and not only the external surface the active media is


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