granite marble factories in pakistan

granite marble factories in pakistan

OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10  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 ...

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

2015-2-15  Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process

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

2020-9-10  During the sponge iron manufacturing process, hot air enters through the air tube and air nozzle of the sponge iron kiln, providing heat for the reaction. The waste gas produced by the rotary kiln first enters the dust settling chamber, and the settled dust is finally discharged by the scraper. The treated exhaust gas can enter the waste heat ...

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SPONGE IRON – Lloyd's Metals

Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a ‘select’ grade of iron-coking 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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A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air material flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28

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

Also, the process conditions in a sponge iron rotary kiln are dynamic in nature. Hence, the quality keeps fluctuating and is not a constant value. A mathematical mass ...

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SPONGE IRON PLANT

2018-9-24  Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

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Sponge iron making process - SlideShare

2014-11-9  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

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

2015-9-1  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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Analysis of temperature profile and % metallization in ...

2016-6-1  A 2D CFD model of rotary kiln for sponge iron process is developed in this work using ANSYS 14.5. The present study discusses the behavior of temperature profile of the bed and gas (air) along the length of the kiln. These parameters are studied based on variation of input parameters such as angle of inclination, number of rotation and mass ...

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process making sponge iron rotary kiln animation

rotary kiln for sponge iron - Sfinance. Rotary Kiln – Electrotherm – Engineering Technologies. Coal Based Rotary Kilnfor Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, 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).

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(PDF) Modeling of Rotary Kiln for Sponge Iron Processing ...

Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under

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

2015-2-15  Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process

Get Price

A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air material flow in Rotary kiln

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

Also, the process conditions in a sponge iron rotary kiln are dynamic in nature. Hence, the quality keeps fluctuating and is not a constant value. A mathematical mass ...

Get Price

SPONGE IRON PLANT

2018-9-24  Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

Get Price

SPONGE IRON PRODUCTION FROM ORE -COAL

2014-9-2  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 process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.

Get Price

Sponge iron making process - SlideShare

2014-11-9  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.

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

2015-9-1  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 ...

Get Price

Analysis of temperature profile and % metallization in ...

2016-6-1  A 2D CFD model of rotary kiln for sponge iron process is developed in this work using ANSYS 14.5. The present study discusses the behavior of temperature profile of the bed and gas (air) along the length of the kiln. These parameters are studied based on variation of input parameters such as angle of inclination, number of rotation and mass ...

Get Price

process making sponge iron rotary kiln animation

rotary kiln for sponge iron - Sfinance. Rotary Kiln – Electrotherm – Engineering Technologies. Coal Based Rotary Kilnfor Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, 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).

Get Price

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

2015-2-15  Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process

Get Price

(PDF) Modeling of Rotary Kiln for Sponge Iron Processing ...

Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of

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Sponge Iron Production In Rotary Kiln By Sarangi Arabinda

Rotary Kiln Process Of Making Sponge Iron. process of sponge iron by rotary kiln Grinding Mill China Posted at January 5 2013 Rotary Kiln Process of Making Sponge Iron

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SPONGE IRON – Lloyd's Metals

Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a ‘select’ grade of iron-coking 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

A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air material flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28

Get Price

SPONGE IRON PRODUCTION FROM ORE -COAL

2014-9-2  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 process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.

Get Price

PROCESS FOR PRODUCING SPONGE IRON - FRIED KRUPP

The sponge iron issuing from the rotary kiln is subjected to a size separation operation by screening to remove the fraction under 3 millimeters. This minus fraction is fed back to the sinter mixer. The oversize sponge iron is treated further as desired, for example in an arc furnace.

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Energy Audit Methodology of Sponge Iron

2014-9-15  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 change (Figure 1). Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary

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Modelling and optimization of a rotary kiln direct ...

2014-8-5  Modelling and optimization of a rotary kiln direct reduction process 55 Figure 3. Kiln temperature distribution for the base case The feed material (bed) enters the kiln at ambient temperature and rapidly heats up due to the hot gas in the freeboard.

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