· 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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· excellent sponge iron kiln to deal with your sponge iron kiln process. Today we will introduce a device that is popular with userssponge iron kiln. Sponge rotary kiln is a device for producing sponge iron. It has a reasonable structure, stable performance, and simple operation. new sponge iron rotary kiln design in sponge iron manufacturing process
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· leaving the rotary kiln and prehardened to a compressive strength of at least 10 kgf/pellet. This strength is necessary for subsequent treat-ment in the rotary kiln. Experience with different raw materials In the past, a number of different ores and fuels have been tested for their amenability to treatment by the KRUPP Sponge Iron Process.
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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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· 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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Rotary Kiln To Making Sponge Iron In India Binq Mining. Rotary Kiln Process of Making Sponge Iron New Age International Rotary Kiln Process of Making Sponge Iron 13 that the entire production by number 2 3 and 4 countries is. Get Price. Get Price
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Rotary Kiln Process of Making Sponge Iron C. Rotary Kiln Process of Making Sponge Iron Fig 25 Material balance in a rotary kiln sponge iron plant input such as pellets and reformed natural... Know More. ENERGY AND MASS BALANCE CALCULATIONS.
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· Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig. 1. Haematite and non-coking coal are fed to the kiln at controlled rates without pre-mixing and the charge moves through the …
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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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· ROTARY KILN (Coal-based DRI Plant) GROWMECH Rotary Kilns (Coal-based DRI Plant) are breakthrough technologies, having revolutionalised the production of Sponge Iron also known as Direct Reduced Iron (DRI) from Hematite iron ore. The rotary kilns are used to remove oxygen from the hematite iron ore through direct reduction process using non ...
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Sponge iron kiln's cylinder: The design of the sponge iron rotary kiln cylinder is more reasonable. The cylinder is rolled with a Q235-B steel plate to ensure five mechanical properties, usually with automatic welding. The wall thickness of the cylinder is generally 25 mm, and that of …
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· 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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Mining Industry Sponge Iron Rotary Kiln Production Lines, Find Complete Details about Mining Industry Sponge Iron Rotary Kiln Production Lines,Rotary Kiln,Sponge Iron Rotary Kiln,Kiln from Cement Making Machinery Supplier or …
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· 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 …
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· 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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· 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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· China Sponge Iron Rotary Kiln&Rotary Kiln Process of Making Sponge Iron, Find details about China Lime Rotary Kiln, Cement Rotary Kiln from Sponge Iron Rotary Kiln&Rotary Kiln Process of Making Sponge Iron - Luoyang Zhongtai Industries Co., Ltd.
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MANUFACTURING PROCESS. In the DRI plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material like coal or lignite. The reduction is carried out in a rotary Kiln (which …
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This study focuses on sponge iron kiln based process. The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal [Patra et al, (2005)]. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.
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Process of making Sponge Iron. Sponge Iron production using coal involves reducing iron ore with coal or lignite. The reduction is carried out in a Rotary Kiln at a pre-determined temperature and controlled atmosphere. The input raw material i.e. iron ore, coal and limestone in the required calibrated sizes are fed into the rotary kiln which is ...
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· study the kiln of sponge iron process, literature relat ed to it is dis- cussed here: Prasad and Ray [9] simulated flow pattern of air us- ing FLUENT software in rotary kiln of a typical 10 0 tpd ...
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· 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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· Rotary Kiln Process of Making Sponge Iron// 13 that the entire production by number 2, 3 and 4 countries is through gas based route while in India, more than half the production is by the coal based route. 2.5 THE INDIAN SCENE Situation in India is different from the rest of
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· rotary kiln operations. Regardless of rotary kiln size or configuration the basic principles outlined in this manual govern the reliable operation of every rotary kiln, calciner, dryer, incinerator, digester and cooler application. For questions or problems with your specific application please contact North American Kiln for assistance.
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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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· Scope & Areas for Energy Conservation in Sponge Iron Making Scope 4 Feed material as well as air enters the process (mainly rotary kiln) at ambient temperature and reduction reactions are taking place at 1080-1100 °C. This requires feed to be heated up which needs the significant amount of heat generated from combustion of coal. This
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