Brief Process Of Coal Based Sponge Iron Rotary Kiln
Brief Process Of Coal Based Sponge Iron Rotary Kiln
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Brief Process Of Coal Based Sponge Iron Rotary Kiln

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(PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ...

Data-1 includes temperatures profiles and air inlet at positions, AT-1 to AT-3 and MF-1 and MF-2, inside the kiln whereas, flow rates of iron ore, feed coal,

More

New Sponge Iron Rotary Kiln Design In Sponge Iron ...

Sep 10, 2020  In the newly designed sponge iron rotary kiln system, a coarse coal branch pipe and fine coal branch pipe are added at the kiln head. The original way of adding 100% coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 30-50% coal is added ...

More

SPONGE IRON PLANT

MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use non-coking coal as reducing agent due to abundantly available non-coking coal. The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore.

More

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

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 de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

More

pdf sponge iron tunnel kiln process

Simulation of Rotary Kiln Used in Sponge Iron , - Know More. mail ak_poonia rediffmail Anil K Poonia and Shabina Khanam, Member, IACSIT Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol 6,

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

Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To preheat kiln air using waste gas a

More

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

Sep 01, 2015  In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.

More

SPONGE IRON PRODUCTION FROM ORE -COAL

Abstract: Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking coal. However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln ...

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SPONGE-IRON - Shakambhari Group

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 physical characteristics.

More

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Feb 14, 2017  The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials. The process has the advantage of low capital expenditure and

More

(PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ...

Data-1 includes temperatures profiles and air inlet at positions, AT-1 to AT-3 and MF-1 and MF-2, inside the kiln whereas, flow rates of iron ore, feed coal, slinger coal and sponge iron is ...

More

Operation of Coal-Based Sponge Iron Rotary Kiln to Reduce ...

Sponge iron is the final product of coal fired rotary kilns. The schematic diagram in Fig. 1 describes the unit processes involved in a sponge iron a production plant [1] .

More

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

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 de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

More

New Sponge Iron Rotary Kiln Design In Sponge Iron ...

Sep 10, 2020  In the newly designed sponge iron rotary kiln system, a coarse coal branch pipe and fine coal branch pipe are added at the kiln head. The original way of adding 100% coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 30-50% coal is added ...

More

SPONGE IRON PLANT

MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use non-coking coal as reducing agent due to abundantly available non-coking coal. The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore.

More

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

Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To preheat kiln air using waste gas a

More

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

Sep 01, 2015  In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.

More

Sponge iron making process - SlideShare

Nov 09, 2014  ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron and char Place that spraying a controlled amount of water directly into hot solids and by spraying additional water outside the cooler shell. 12. SCREENING + 10 mm 3-10 mm - 3 mm. 13.

More

SPONGE-IRON - Shakambhari Group

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 physical characteristics.

More

sponge iron process

Jul 29, 2010  Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70% iron ore pellets and 30% lump iron ore of 10-30mm are being used. In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln. Reductant: Non coking ...

More

sponge iron process

Aug 03, 2011  During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. Generally the length of reduction zone is 60-70% of total kiln length.

More

US2754197A - Method and a rotary kiln for the manufacture ...

A process for producing sponge iron in a rotary kiln which comprises introducing into the kiln oxydic iron bearing material and carbonaceous matter, and forming a mixture thereof, the carbon content of said matter being in excess of the stoichiometric quantity required to reduce the iron completely, introducing oxygen containing gas under ...

More

Rotary Kiln Manufacturers Electrotherm ET

Rotary Kiln with SL/RN Process. Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI). Since DRI is produced by removing oxygen from ...

More

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Feb 14, 2017  The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials. The process has the advantage of low capital expenditure and

More

(PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ...

Data-1 includes temperatures profiles and air inlet at positions, AT-1 to AT-3 and MF-1 and MF-2, inside the kiln whereas, flow rates of iron ore, feed coal, slinger coal and sponge iron is ...

More

Operation of Coal-Based Sponge Iron Rotary Kiln to Reduce ...

Sponge iron is the final product of coal fired rotary kilns. The schematic diagram in Fig. 1 describes the unit processes involved in a sponge iron a production plant [1] .

More

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

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 de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

More

New Sponge Iron Rotary Kiln Design In Sponge Iron ...

Sep 10, 2020  In the newly designed sponge iron rotary kiln system, a coarse coal branch pipe and fine coal branch pipe are added at the kiln head. The original way of adding 100% coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 30-50% coal is added ...

More

SPONGE IRON PLANT

MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use non-coking coal as reducing agent due to abundantly available non-coking coal. The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore.

More

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

Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To preheat kiln air using waste gas a

More

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

Sep 01, 2015  In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.

More

Sponge iron making process - SlideShare

Nov 09, 2014  ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron and char Place that spraying a controlled amount of water directly into hot solids and by spraying additional water outside the cooler shell. 12. SCREENING + 10 mm 3-10 mm - 3 mm. 13.

More

SPONGE-IRON - Shakambhari Group

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 physical characteristics.

More

sponge iron process

Jul 29, 2010  Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70% iron ore pellets and 30% lump iron ore of 10-30mm are being used. In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln. Reductant: Non coking ...

More

sponge iron process

Aug 03, 2011  During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. Generally the length of reduction zone is 60-70% of total kiln length.

More

US2754197A - Method and a rotary kiln for the manufacture ...

A process for producing sponge iron in a rotary kiln which comprises introducing into the kiln oxydic iron bearing material and carbonaceous matter, and forming a mixture thereof, the carbon content of said matter being in excess of the stoichiometric quantity required to reduce the iron completely, introducing oxygen containing gas under ...

More

Rotary Kiln Manufacturers Electrotherm ET

Rotary Kiln with SL/RN Process. Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI). Since DRI is produced by removing oxygen from ...

More