DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants (CO + H ...
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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 iron ore, its structure is just like a sponge with a network of …
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Simulation of Rotary Cement Kilns Using a One-Dimensional Model By Vivek Ranade 523-1 Designing of an Intelligent Fuzzy Logic System for Accretion Prevention in Sponge Iron SL/RN Rotary Kiln Based 100TPD Dri Process
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Jul 29, 2010 In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product.
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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 …
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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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in the sponge iron production serves as the motivation of the present research work to propose some better alternative than waste heat recovery boiler to utilize waste heat. Along with the energyaspectthepresentworkalsoconsidersbetterutilization of water. 2. Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln
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2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the R&D 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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SIPL is operating 4 x 100 TPD Direct Reduced Iron Rotary Kilns for production of 2000 TPA Sponge Iron at Purulia, using the proven German SL/RN technology. 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 ...
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Rotary Kiln Electrotherm Engineering & Technologies. 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 …
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kiln iron air rotary kiln sponge iron Prior art date 1952-09-26 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US311593A Inventor Wienert Fritz Otto Original Assignee
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To keep a check on this vicious phenomenon SKS Ispat & Power Limited, Raipur, successfully commissions their Coal Gasification Plant which they have installed for their 100TPD sponge iron rotary kiln.
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Abstract. Sponge iron is being increasingly made using coal in a rotary kiln in India. In the design and operation of the kiln, aerodynamics plays an important role. So far, all adjustments of ...
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We manufacture Sponge Iron Plant on turn-key basis of different functional capacities i.e. 100 TPD, 300 TPD, 500 TPD plants.The equipment support provided for the plants include Kiln/cooler tyre, Kiln/cooler support roller, Kiln/cooler support roller shaft, Kiln/cooler support roller assembly with bearing housing, Kiln/cooler girth gear, Kiln/cooler pinions, Kiln/cooler pinion shaft, Kiln ...
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Nov 13, 2020 In coal-based DRI process, accretion formation inside the rotary kiln is a genuine complex problem. Accretion formation in a rotary kiln of 100 tpd DRI plant has been investigated. The nature of accretion formation with respect to the charge burden and operational parameter have been discussed. High ash content in the coal and excess use of dolomite lead to accretion formation. Two …
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2020-1-30ensp0183enspRotary kiln for sponge iron 1. rotary kiln Applications A rotary kiln is ideal for calcining high-grade cement in cement plants. It is also commonly used in the production process of catalytic agent, molecular sieve and zinc oxide, etc. Complete Process Of Sponge Iron Kilns. ppt for rotary kiln process of making sponge iron ...
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Sponge Iron. Dri, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800– c. iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. the reduction takes place using gaseous reductants ...
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Mar 01, 2017 The geometry of rotary kiln of sponge iron process is developed using GAMBIT 2.4.6. Dimensions of kiln are 80 m length and 4 m internal diameter. The kiln is inclined to 2.5 degree to the horizontal and rotated with 4.3 rpm. Bed material consists of iron ore, coal and dolomite, enters the kiln through feed end.
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Sep 01, 2018 It is a viable option for plants having capacity 200 TPD and above. the smaller capacity individual Sponge Iron Plants (capacity up to 100 TPD) and operating in the can collectively install unit for power generation. The Sponge Iron Plant are free to explore other options/ possibilities to use char for generation of power.
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Kiln Pinion assembly - for 100 TPD DRI Coal Based Sponge Iron Plant rotary kiln 50 TPD - 600 TPD. Kiln Pinion complete assembly with bearing. Kiln Pinion, Kiln Pinion shaft, Kiln Pinion plumber block or bearing blocks, Kiln Pinion end cover end plate, Kiln Pinion sleeves, Kiln Pinion labyrinth ring or oil seal, Kiln Pinion bush, Kiln Pinion bearings, ZKL / SKF / FAG / Chinese / KOYO etc. Kiln ...
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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 an angle 2.5 deg and rotated by
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