[PDF] Rotary Kiln Process of Making Sponge Iron 2 . 1 …
Perhaps the very first patent in U.K. for sponge iron making was in 1792 presumably using a rotary kiln. More than 100 DR processes have been invented and operated since 1920. Most of these have died down. But some of them have re-emerged in slightly As
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During 70’s, the reduction of iron ore in small way was carried out in China in the same manner as retile was produced from illuminate and birth of DRI / Sponge Iron was brought into existence. The coal base DRI rotary kiln process for production of DRI / Sponge Iron has its many parameters to increase the quality as well as productivity which need careful operations through out the process.
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iv CONTENTS Acknowledgement ii Abstract iii Contents iv List of Table viii List of Figures x 1. Introduction 1 2. Literature Review 2.1 DRI Process of Sponge Iron making 2.1.1 Introduction 2.1.2 Raw Materials 2.1.3 Theory 2.1.4 Commercial Processes 18.104.22.168
Heat and Mass Balance in Rotary Kiln Sponge Iron Making. Appliion of Process Instruments---Cement Industry I---Burning Process Control The burning of clinker in a rotary kiln is the balancing of heat requirements and heat inputs. 2008-2010 Key Items of
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Such coal based sponge iron making from iron ore, is popular both in India and China. However, in the world almost 80% of sponge iron is being produced by gas based DR process.
Sponge iron production in tunnel kiln – Aramico Company
Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines. Process In sponge iron production plant by tunnel kiln method, after crushing and screening raw materials, iron ore, coal and limestone are mixed and charged in storage bins in certain ratios.
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Nov 26, 2012 · Production of Direct Reduced Iron in Rotary Hearth Furnace. Production of Direct Reduced Iron in Rotary Hearth Furnace. SlideShare. Upload Browse . the solids are discharged into a sealed rotary cooler, Rotary Kiln Process of Making Sponge
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In sponge iron making, iron ore is reduced in solid state. Unlike in the conventional steel melting processes, the gangue content of iron ore cannot be separated as a slag. Therefore, it becomes imperative to select an ore with a high Fe content and a low gangue content, to optimize yield during steel making.
Coal Based Direct Reduced Iron_Rotary kiln DR_ …
The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed nozzle in pre-determined ratio. The rotary kiln is slightly inclined at an angle 1.5 deg and rotated by AC variable drive at a variable speed ranging form 0.2-1.0 rpm.
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Manufacturer of 100 TPD Sponge Iron Plant Kiln Cooler Spare Part - Kiln - Cooler Pinion With Shaft Assely 50 Tpd, 100 Tpd, 350 Tpd,, Kiln - Cooler Support Roller With Shaft Assely, Girth Gear Kiln Cooler - Rotary Kilns - DRI - Sponge Iron Plant - 50
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Coal Based Rotary Kiln for 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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Sponge Iron Making The process of sponge iron manufacturing involves removal of oxygen from iron ore. After processed in rotary kiln, the product sponge iron come to the water cooled cooler where its temperature reaches to 80 to 100 C. The Product is
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Rotary kiln process of making sponge iron, present the production figures of sponge iron in india vis--vis world, sequence of photos get price and support online tunnel kiln sponge iron india - swiming-project magnetic ore iron reduction process i
SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE PELLETS IN TUNNEL KILN
SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE PELLETS IN TUNNEL KILN S.C.Khattoi 1* , G. G. Roy2 1 Project & Engineering Consultancy, Keonjhar, Odisha, India 2 Indian Institute of Technology, Kharagpur – 721302, India Abstract: Today India stands as the largest producer of coal based sponge iron through
(PDF) Aerodynamics inside a Sponge-Iron Rotary Kiln …
Sponge Iron Making in Rotary Kiln Jan 2002 K K Presed A K Ray Presed, K.K. and A.K. Ray, Sponge Iron Making in Rotary Kiln, RDClS SAIL, Ranchi, 2002 Selection of coals for rotary kiln sponge iron
rotary kiln iron ore pellet process
rotary kiln iron ore pellet process - ZENTIH crusher for , Iron ore pelletizing Grate-KilnTM system - Iron ore pelletizing 5 Pellet quality Because the induration of Get price Rotary Kiln Iron Ore Pellet Process rotary kiln for sponge iron processing ore mine on the west coast and the port latta .
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Rotary Kiln Direct Reduction Supplier Rotary Kiln Process of Making Sponge Iron New Age mainly produced from ore by two different routes a by reducing gases CO and H2 in a shaft furnace and b through direct treatment with coal in a rotary kiln Read more +
brief process of coal based sponge iron rotary kiln
Coal Based Rotary Kiln for Direct Reduced Iron Sponge Iron 100 TPD 350 TPD 500 TPD Solid state reduction of Iron Ore using either coalgas 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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Process Making Sponge Iron Rotary Kiln
Process Making Sponge Iron Rotary Kiln US3096172A - Rotary furnace production of sponge iron . ROTARY-FURNACE PRODUCTION OF SPONGE IRON 5 . and to other reduction processes carried out in a rotary kiln, . In a process for the production of sponge
Direct Reduction Process - an overview | ScienceDirect …
Further iron-making development took the other way of alternative to the BF direct and smelting reduction processes. rotary kiln furnace or fluidised bed. Sponge iron can be produced in the form of Direct Reduced Iron (DRI), Hot Briquetted Iron (HBI) and Cold
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