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rotary kiln for sponge iron

rotary kiln for sponge iron

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

2020-9-10  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 ...

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

2012-5-29  6.2 2D 3D model of Sponge iron Rotary Kiln 39 6.3 Faces of lobe blower. 39 6.4 Coal throw and solid out face at discharge end of kiln. 40 6.5 Cuts made to represent air pipes. 40 6.6 Wall of air pipe. 41 6.7 Face of air pipe. 41 6.8 Overall view and internal view of generated Mesh. 42 7.1 Three Dimensional PDF Table 44 ...

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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 ...

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Coal based Direct Reduction Rotary Kiln Process – IspatGuru

2017-2-14  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 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 - 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

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2 D Model of Sponge Iron Rotary Kiln Developed Using

2021-8-10  2II. Rotary kiln: Operation and construction details 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

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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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2 D Model of Sponge Iron Rotary Kiln Developed Using

2021-8-10  2II. Rotary kiln: Operation and construction details 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

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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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Flow of materials in rotary kilns used for sponge iron ...

Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975. In this pilot plant, a totally indigenous technology for production of ...

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Flow of materials in rotary kilns used for sponge iron ...

The present work identifies the basic features of burden movement in a rotary kiln. The cold model study was conducted with iron ore as the feed material to determine the influence of length to diameter ratio (L/D) of a rotary kiln on the filling degree, hold-up, and residence time of the charge. An empirical equation correlating different operating variables has been derived on the basis of ...

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Modeling of rotary kiln for sponge iron processing using ...

CFD analysis of heat transfer in freeboard of rotary kiln was done with licence version of ANSYS 13.0, authorized by NIT Rourkela. ANSYS 13.0 is an engineering simulation software (Computer-Aided Engineering. Kiln of a typical Sponge Iron producing plant having capacity 500 Tons Per Day was modelled and simulated with CFD package (ANSYS 13.0).

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A STUDY OF RING FORMATION OF SPONGE IRON IN

2012-1-10  for the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and bituminous coal from Maharashtra also nut coke. The iron ore was of high grade with 65-66% Fe, 1.6-2.05% Si02 and 3.0-3.8 per cent A1 203. The

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(PDF) 2 D Model of Sponge Iron Rotary Kiln Developed

Nov 2016. Gajendra Kumar Gaurav. Shabina Khanam. 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate ...

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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 ...

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Computational fluid dynamics analysis of sponge iron ...

2017-3-1  Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln.

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Analysis of temperature profile and % metallization in ...

2016-6-1  In the sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe. Though sponge iron is a hard solid material, it is called sponge iron due to its honeycomb structure. Rotary kiln is also widely used in cement industry.

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

2015-2-15  Rotary kiln is cylindrical in shape and is 80m long having 4.2m internal diameter. This is the reactor of the process where reduction as well as combustion reactions are carried out. The role of kiln is to convert the raw material (iron ore, coal and dolomite) into the sponge iron [8]. Detail reaction mechanism of the process is discussed below:

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Modeling of rotary kiln for sponge iron processing using ...

CFD analysis of heat transfer in freeboard of rotary kiln was done with licence version of ANSYS 13.0, authorized by NIT Rourkela. ANSYS 13.0 is an engineering simulation software (Computer-Aided Engineering. Kiln of a typical Sponge Iron producing plant having capacity 500 Tons Per Day was modelled and simulated with CFD package (ANSYS 13.0).

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(PDF) 2 D Model of Sponge Iron Rotary Kiln Developed

Nov 2016. Gajendra Kumar Gaurav. Shabina Khanam. 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate ...

Read More
Analysis of temperature profile and % metallization in ...

2016-6-1  In the sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe. Though sponge iron is a hard solid material, it is called sponge iron due to its honeycomb structure. Rotary kiln is also widely used in cement industry.

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Super Refractories - Sponge Iron Production

2019-8-26  For Sponge Iron production by Direct Reduction Process CUMI offers the following solutions. COAL BASED SPONGE IRON ROTARY KILN. svenska casino spel. Application. Recommended Products. AFTER BURNING CHAMBER (ABC)

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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

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WELSPUN STEEL LIMITED

For the direct reduction of iron ore the main furnace used is rotary kiln. The rotary kiln is the refractory lined cylindrical vessel on which blowers are mounted the air pipes, to provide combustion air to the inside of the kiln. During lite up there is a start up burner at the kiln discharge end which is oil fired to heat up the rotary kiln.

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Sponge ITC, Sponge Iron,India Iron Consultant

2018-9-24  Non-coking coal is used as reluctant in the rotary kiln process. The major quality requirements of coal for Sponge iron production are-1) Non-coking characteristics 2) Low ash content 3) Low sulphur content 4) Good reactivity 5) High ash fusion temperature 6) Medium volatile matter

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DRI UPDATE - Sponge Iron Manufacturer India

2019-4-10  2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the RD for exploring the use of Syn Gas in the rotary kiln. Mr. T Srinivasa Rao, MD, Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose. 3. Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showed

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Modelling and optimization of a rotary kiln direct ...

2014-8-5  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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