process of sponge iron by rotary kiln
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US2462900A - Reduction accelerator for the sponge iron ...
similar reducing agents in the rotary kiln sponge iron process undernormal operating conditions usually involves operating temperatures about 2000 Fahrenheit, and a processing time within that temperature range of approximately 80 minutes in order to produce highly metallized (approximately 95 percent) sponge iron.
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Kiln For Sponge Iron Production - alanglover.co.za
Sponge Iron Production in Rotary … Sponge Iron Production in Rotary Kiln [Bidyapati Sarangi] on *FREE* shipping on qualifying offers. The increase in the demand of sponge iron is also due ...
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2 D Model of Sponge Iron Rotary Kiln Developed Using CFD
II. 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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Sponge Iron Composition & Manufacturing Process - Lloyd's ...
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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Modelling and optimization of a rotary kiln direct ...
Modelling and optimization of a rotary kiln direct reduction process H.P. Kritzinger and T.C. Kingsley ... In this paper the direct reduction of iron ore to sponge iron is used as an example. ... Illustrative examples are included for the case of a generic rotary kiln iron-ore reduction process.
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sponge iron process
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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rotary kiln process for 350 tpd sponge iron lurgi technology
Rotary Kiln Process of Making Sponge Iron - New Age International. 2.2 A concise schematic representation of a rotary kiln sponge iron plant. Fig. 2.1 Key steps in ... sponge iron technology in India. .... DRC Process (250 to 350 tpd) and TDR Process. (400 tpd). ... SIIL Process …
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Energy survey of the coal based sponge iron industry ...
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 ...
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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SPONGE IRON PLANT
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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China Sponge Iron Rotary Kiln&Rotary Kiln Process of ...
China Sponge Iron Rotary Kiln&Rotary Kiln Process of Making Sponge Iron, Find details about China Sponge Iron Rotary Kiln, Rotary Kiln Process of Making Sponge Iron from Sponge Iron Rotary Kiln&Rotary Kiln Process of Making Sponge Iron - Luoyang Zhongtai Industries Co., Ltd. Sign In. …
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iron ore pellets manufacturing process by tunnel kiln
Jan 17, 2018· Wholesale Sponge Iron Modern Automatic Coal Rotary Kiln . Tags: Clay Limestone Kiln Slag Drying Kiln Oxidized Pellet Kiln . dry process cement rotary kiln burner for overseas. Get Price Dri Direct Reduced Iron Wholesale, Reduce Iron Suppliers. Manufacturer and supplier of Sponge iron Direct reduced iron.
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Direct Reduced Iron and its Production Processes ...
The pressure and temperature in shaft furnace in HYL process is 5-6 bars and 800-850 deg C. The same in Midrex process is 1-1.5 bar and 800-850 deg. C. In a coal based plant the reactor for the reduction reaction is a inclined horizontal rotary kiln. In this kiln both coal and the iron ore feed material is charged from the same end of the kiln.
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rotary kiln cement making process – 200T/H-1000T/H Stone ...
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 … Rotary kiln,Lime rotary kiln,Cement kiln,Ceramsite sand …
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sponge iron | Iron | Coal - Scribd
Rotary Kiln Process of Making Sponge Iron 2. 1 HISTORICAL BACKGROUND The production of steel began in ancient times; but because of the complexity and slow speed of the ancient process, they could not be carried out on a very large scale.
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China Rotary Kiln Process of Making Sponge Iron - China ...
China Rotary Kiln Process of Making Sponge Iron, Find details about China Rotary Kiln Process of Making Sponge Iron, Sponge Iron Rotary Kiln from Rotary Kiln Process of Making Sponge Iron - Luoyang Zhongtai Industries Co., Ltd.
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Simulation of Rotary Kiln Used in Sponge Iron Process ...
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 - Cement Rotary Kiln and Sponge Iron Rotary Kiln
Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying, calcination and sintering work in a continuous process. Widely used for cement, pet coke calcination, sponge iron and other materials, it uses hot gases for the operation.
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difference between sponge iron kiln and cement kiln « BINQ ...
May 01, 2013· difference between sponge iron kiln and cement kiln. Posted at:May 1, 2013[ 4.5 - 2978 Ratings] Modeling of Rotary Kiln for Sponge Iron Processing Using CFD … Schematic of optimised Rotary kiln sponge iron making process. 21 ...
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Accretion Control in Sponge Iron Production Kiln using ...
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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OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN …
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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Study on Accretion Formation on DRI kiln during spong iron ...
utility of sponge iron in other steel manufacturing processes like L.D. Converters, Open Hearth Furnaces (OHFs), Blast Furnaces (BFs) & Basic Oxygen Furnaces (BOFs), Induction Furnaces (IFs) and Cupolas. 1.2 Rotary Kiln Operation Generally in any sponge iron process, reduction is conducted in a refractory lined rotary kiln.
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iron ore rotary kiln - africar-hire.co.za
Rotary Kiln - Cement Rotary Kiln and Sponge Iron Rotary Kiln. The hot gases may be generated in an external furnace or by a flame inside the kiln. Our cement rotary kiln and sponge iron rotary kiln has been developed for
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Rotary Kiln For Sponge Iron / Dry Process Rotary Kiln ...
Rotary Kiln For Sponge Iron / Dry Process Rotary Kiln / Rotary Kiln For Cement Plant , Find Complete Details about Rotary Kiln For Sponge Iron / Dry Process Rotary Kiln / Rotary Kiln For Cement Plant,Rotary Kiln For Sponge Iron,Dry Process Rotary Kiln,Rotary Kiln For Cement Plant from Cement Making Machinery Supplier or Manufacturer-Shanghai Minggong Heavy Equipment Co., …
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iron ore pellets manufacturing process by tunnel kiln
Sep 08, 2018· Wholesale Sponge Iron Modern Automatic Coal Rotary Kiln . Tags: Clay Limestone Kiln Slag Drying Kiln Oxidized Pellet Kiln . dry process cement rotary kiln burner for overseas. Get Price Dri Direct Reduced Iron Wholesale, Reduce Iron Suppliers. Manufacturer and supplier of Sponge iron Direct reduced iron.
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sponge iron rotary kiln - resourceplus.co.za
Rotary Kiln - Cement Rotary Kiln and Sponge Iron Rotary Kiln. Rotary kiln The hot gases may be generated in an external furnace or by a flame inside the kiln. Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying, calcination and sintering work in a continuous process.
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Tunnel Kiln| Tunnel Kiln Manufacturer India – Electrotherm ...
Quality of sponge iron made by the Tunnel Kiln technology is superior as compared to that made from the rotary kilns because, while the input raw material gets just about 24hours for the reaction, the figures almost reverse in case of the Tunnel Kiln.
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Rotary Kiln Process of Making Sponge Iron C
Rotary Kiln Process of Making Sponge Iron 2.1 HISTORICAL BACKGROUND The production of steel began in ancient times; but because of the complexity and slow speed of the ancient process, they could not be carried out on a very large scale.
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Direct Reduced Iron | Industrial Efficiency Technology ...
Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BF-BOF and Scrap-EAF routes. In DRI, iron ore is reduced in its solid state – unlike BF process where a liquid metal is formed during reduction. ... Waste Heat Recovery for Rotary Kiln Direct Reduction: The coal consumption is about 800 kg/t DRI.
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kiln iron ore process - perkinspreschool.com
Sep 30, 2017· Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN. main units of the process which is kiln and production rate as well as % metallization of iron ore. These parameters depend on air, iron ore and coal flow rate. Contact Us. Iron Ore Processing for the Blast Furnace - …
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