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Sponge iron rotary kiln process

1 Krupp Sponge Iron Process The Krupp Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets Fig 1 The feed is introduced together with reducing and desulphurizing agents limestone or raw dolomite into an inclined rotary kiln heated counter current to the flow of hot gas and reduced to form sponge

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Sponge Iron Production In Rotary Kiln
Sponge Iron Production In Rotary Kiln

Sponge iron production in rotary kiln nnguniclubcoza rotary kiln is a rotating cylindrical vessel which is used for drying calcination and sintering in a continuous process with the use of hot gas the hot gases may be generated in an external furnace

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Sponge Iron  an overview  ScienceDirect Topics
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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Coal based Direct Reduction Rotary Kiln Process – IspatGuru
Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Boudouard reaction dolomite DRI Iron ore metallization non coking coal pellets reduction Rotary kiln Sponge iron Sulphur Coal based Direct Reduction Rotary Kiln Process The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials

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sponge iron making process mining
sponge iron making process mining

Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times but because of the complexity and slow speed of the ancient process they More iron making process tupkary pdf download « 465 sponge iron importers in south africa « Mining 475

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sponge iron by tunnel process
sponge iron by tunnel process

sponge iron production from ore coal composite pellets in tunnel kiln rotary kiln process using calibrated ore and non coking coal Keywords Tunnel Kiln Iron orecoal composite pellets Sponge iron Thermal efficiency Get Price Chapter 73 Iron and Steel Since prehistoric times humans have learned to prepare and process these

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sponge iron rotary kiln in thailand
sponge iron rotary kiln in thailand

Sponge iron making process SlideShare Nov 09 2014 Making process iron ore to sponge iron Sponge iron making process 13652 views Share Like ROTARY KILN 9 ROTARY KILN 10 ROTARY COOLER The product come to the water cooled Where its temperature reaches to 80100 C 11 ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron

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Modelling and optimization of a rotary kiln direct
Modelling and optimization of a rotary kiln direct

The kiln model applied in this work was developed by Hatch over a number of years and has been used for several rotary kiln projects It has its roots in a FORTRAN program that was developed by Venkateswaran 1978 to study the reduction of iron ore The original software was used to model the operation of a 35 m pilot kiln at the Stellco company

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Technology – Tata Steel Long Products Limited
Technology – Tata Steel Long Products Limited

Iron ore and noncoking coal are the prime raw materials for the production of sponge iron These are charged into a rotary kiln in requisite proportion along with some dolomite Coal plays a dual role in the process by acting as a reductant as well as a fuel for providing heat to maintain the requisite temperature inside the kiln at 9501050 o C

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Quality Prediction and Control in CoalFired Rotary Kilns
Quality Prediction and Control in CoalFired Rotary Kilns

present work to take care of dynam ic process conditions inside the rotary sponge iron kiln rotating at a very low RPM Adaptation of the reduction model to kiln conditions is done by usi ng

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China Rotary Kiln Process of Making Sponge Iron  China
China Rotary Kiln Process of Making Sponge Iron China

Model NO Rotary Kiln Process of Making Sponge Iron Type IronMaking Equipment Certification ISO Lateritic Nickel Rotary Kiln Rotary Kiln for Laterite Nickel Ore Calcining Output 80100 THRoasted Sand Application Roasting Laterite Ores

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Sponge Iron Composition  Manufacturing Process
Sponge Iron Composition Manufacturing Process

Process Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a ‘select’ grade of ironcoking 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

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SPONGE IRON UNIT  SEIL
SPONGE IRON UNIT SEIL

6 The product ie Sponge Iron and semi burnt coal are discharged from the kiln through a rotary cooler The cooler is 12M in length and water is sprayed directly as well as indirectly for cooling the material The material is cooled down to 100oC and fed to magnetic separator for separating the sponge iron and nonmagnetic char The Sponge

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Sponge Iron Production In Rotary Kiln
Sponge Iron Production In Rotary Kiln

Sponge iron production in rotary kiln nnguniclubcoza rotary kiln is a rotating cylindrical vessel which is used for drying calcination and sintering in a continuous process with the use of hot gas the hot gases may be generated in an external furnace

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SPONGE IRON PLANT
SPONGE IRON PLANT

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are sized graded Iron Ore and NonCoking coal Limestone in small quantities is also required to scavenge the sulphur IRON ORE The quality requirement of Sized ore for sponge iron production

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Coal based Direct Reduction Rotary Kiln Process – IspatGuru
Coal based Direct Reduction Rotary Kiln Process – IspatGuru

The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in predetermined ratio The rotary kiln is slightly inclined at an angle 25 degree and rotated by AC variable speed motor at a variable speed ranging from 02 rpm revolutions per minute to 10 rpm

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Sponge Iron Production In Rotary Kiln
Sponge Iron Production In Rotary Kiln

Sponge iron production in rotary kiln nnguniclubcoza rotary kiln is a rotating cylindrical vessel which is used for drying calcination and sintering in a continuous process with the use of hot gas the hot gases may be generated in an external furnace

Get Price
sponge iron making process mining
sponge iron making process mining

process of sponge iron by rotary kiln Grinding Mill China Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times but because of the complexity and slow speed of the ancient process they

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Sponge Iron  an overview  ScienceDirect Topics
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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Rotary Kiln – Electrotherm – Engineering  Technologies
Rotary Kiln – Electrotherm – Engineering Technologies

The iron ore is converted to DRI as it traverses along the length of the kiln Hot product discharges from the reactor through a transition chute to the rotary drum cooler The cooler is an inclined steel cylinder

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Sponge iron rotary kiln process  AntiCorruption Helpline
Sponge iron rotary kiln process AntiCorruption Helpline

Sponge Iron Composition Manufacturing Process Lloy Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled magnetically separated screened and size wise in finished product

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Sponge Iron Composition  Manufacturing Process
Sponge Iron Composition Manufacturing Process

Process Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a ‘select’ grade of ironcoking 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

Get Price
Rotary Kiln For Sponge Iron  Dry Process Rotary Kiln
Rotary Kiln For Sponge Iron Dry Process Rotary Kiln

rotary kiln for sponge iron dry process rotary kiln rotary kiln for cement plant Rotary kiln Our company has manufactured a new rotary kiln production line with low pressure and energy consumption which adopts advanced the rotary kiln also has functions of environmental protection and energy conservation

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sponge iron making process mining
sponge iron making process mining

Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times but because of the complexity and slow speed of the ancient process they More iron making process tupkary pdf download « 465 sponge iron importers in south africa « Mining 475

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US2462900A  Reduction accelerator for the sponge iron
US2462900A Reduction accelerator for the sponge iron

sponge iron iron rotary kiln sponge Prior art date 19460930 Legal status The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed Expired Lifetime Application number US700181A Inventor John P Riott Original Assignee John

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Study on Accretion Formation on DRI kiln during
Study on Accretion Formation on DRI kiln during

utility of sponge iron in other steel manufacturing processes like LD Converters Open Hearth Furnaces OHFs Blast Furnaces BFs Basic Oxygen Furnaces BOFs Induction Furnaces IFs and Cupolas 12 Rotary Kiln Operation Generally in any sponge iron process reduction is conducted in a refractory lined rotary kiln

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sponge iron rotary kiln in thailand
sponge iron rotary kiln in thailand

Sponge iron making process SlideShare Nov 09 2014 Making process iron ore to sponge iron Sponge iron making process 13652 views Share Like ROTARY KILN 9 ROTARY KILN 10 ROTARY COOLER The product come to the water cooled Where its temperature reaches to 80100 C 11 ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron

Get Price
Direct Reduced Iron and its Production Processes – IspatGuru
Direct Reduced Iron and its Production Processes – IspatGuru

Mar 16 2013 · DR process DRI HBI Iron making Metallization reformed natural gas residual elements Rotary kiln Direct Reduced Iron and its Production Processes Direct reduced iron DRI is the product which is produced by the direct reduction of iron ore or other iron bearing materials in the solid state by using noncoking coal or natural gas

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SPONGE IRON UNIT  SEIL
SPONGE IRON UNIT SEIL

6 The product ie Sponge Iron and semi burnt coal are discharged from the kiln through a rotary cooler The cooler is 12M in length and water is sprayed directly as well as indirectly for cooling the material The material is cooled down to 100oC and fed to magnetic separator for separating the sponge iron and nonmagnetic char The Sponge

Get Price
Sponge Iron – Prakash Industries Limited
Sponge Iron – Prakash Industries Limited

The hot product discharged from the kiln is indirectly cooled in a rotary cooler by spraying water on the shell of the cooler The discharge from the cooler is conveyed through a belt conveyor screened and magnetically separated Sponge iron and nonmagnetic components are separated and stored in separate bins for further transfer

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

In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln The process is very energy demanding In order to identify the largest losses and to find ways to increase the efficiency an energy survey of the sponge iron plant was carried out for a number of

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Simulation of Rotary Kiln Used in Sponge Iron Process
Simulation of Rotary Kiln Used in Sponge Iron Process

Index TermsSponge iron process rotary kiln temperature profile artificial neural network I INTRODUCTION Sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore 1535oC by utilizing hydrocarbon gases or carbonaceous fuels as coal The reduced iron having high

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Rotary Kiln  Cement Rotary Kiln and Sponge Iron Rotary Kiln
Rotary Kiln Cement Rotary Kiln and Sponge Iron Rotary Kiln

Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying calcination and sintering work in a continuous process Widely used for cement pet coke calcination sponge iron and other materials it uses hot gases for the operation

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