3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 3.3 Schematic of optimised Rotary kiln sponge iron making process 21
Ppt For Rotary Kiln Process Of Making Sponge Iron Rotary. ... The coal based rotary kiln process of making sponge iron is the . 2.1 Key steps in sponge iron making in rotary kiln. . jaw crushers for sale in sa under 50000; Chat With Sales Flow of materials in rotary kilns used for sponge .
Aug 03, 2011· During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln.
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.
Rotary kiln process of making sponge iron c 14 // advances in rotary kiln sponge iron plant the krupp-renn process, about which we mentioned in chapter 1, was probably the last of the rotary kiln processes, which.
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.
The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials. The process has the advantage of low capital expenditure and no requirement of coking coal.
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The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production
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Rotary Kiln Process of Making Sponge Iron. Fig. 2.5 Material balance in a rotary kiln sponge iron plant 2.4 FEATURES OF A ROTARY KILN … furnaces, which make sponge iron…
ppt of kiln design for steel plant in wekipidiy BINQ Mining. ... Rotary Kiln Process of Making Sponge Iron. Fig. 2.5 Material balance in a rotary kiln Concrete crushing Plant soil bricks making machine manufacturer and . Check price. Sponge iron making process SlideShare.
Thermal analysis of the rotary kiln through FEA SUSANA ARAD Computer, Informatics and Electrical Engineering Department ... aluminum, and iron as the main elements. The ... process. The parameters of rotary kiln from Deva Factory are: diameter of 5.8 m, length of …
process making sponge iron rotary kiln. process making sponge iron rotary kiln. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any. Chat With Sales. Study on Air Tubes Failure in Sponge Iron Rotary Kiln.
Iron Ore: Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70% iron ore pellets and 30% lump iron ore of 10-30mm are being used. In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln.
Ppt For Rotary Kiln Process Of Making Sponge Iron Rotary. Rotary Kiln Process of Making Sponge Iron C . . rotary kiln process presentation power point - Grinding . Hot Products Used for rotary kiln process presentation . Get A Free Quote.
Carbon content: The carbon content in sponge iron produced by coal based rotary kiln processes are generally low and is in the range of 0.08% to 0.20%.The carbon content in gas based processes can be controlled to a level of 1.5% to 2.0% based on requirement for steel making.
Jan 17, 2017· we are trying to take a look at the sponge iron industrie, how we making sponge iron by coal based .if you like please subscribe and comment,please comment your opinion .
Rotary kiln body, with drive gear and 2 tyres (riding rings) A rotary kiln is a pyroprocessing device used to raise materials to a high temperature ( calcination ) in a continuous process. Materials produced using rotary kilns include:
mail: [email protected]) Anil K. Poonia and Shabina Khanam, Member, IACSIT Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014
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 ...
Sponge iron is discharged from the kiln at approximately 800 -1000°C. Off gases produced in the kiln contain considerable sensible and chemical heat, the recovery of which represents the biggest opportunity for improving energy efficiency in this process.
The iron ore, coal and dolomite are accurately proportioned and fed continuously as a charge to the feed end through feed chute of the rotary kiln. 6. A remaining bin-6 supplies coal, typically of less than 5mm particles injected to the discharge end of rotary kiln.
During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln.
CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity. The process flow diagram (PFD) of the sponge iron process is shown in Fig. 1. ... ROTARY KILN (RK)
Jun 05, 2018· Sponge iron rotary kiln is the widely used sponge iron processing equipment.In the rotary kiln, with coal, coke or other fuels,the iron ore or iron concentrate pellets realize low-temperature reduction under the melting temperature conditions,becoming porous products.
Direct Reduced Iron (DRI) ... The process results in a very high quality iron pellet ... Rotary Kiln Technology is an older technology that has fallen out of favor. It burns coal to create a ...
Sponge iron manufacturing process pdf The major Raw Materials required for production of Sponge Iron by the rotary kiln. The quality requirement of Sized ore for sponge iron production. sponge iron manufacturing process ppt Rotary kiln based sponge iron plant process pdf.
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, .
Apr 11, 2013· Rotary Kiln Process of Making Sponge Iron – New Age International sponge iron rotary kiln plant. However, the air tubes indicated in this diagram can be substituted by a ported kiln design, which is discussed later in this book.
The first patent was in 1792 in United Kingdom presumably utilizing a rotary kiln but the development of the modern direct reduction (DR) process began in the middle of 19th century. Since 1920 more than 100 DR have been invented and operated.
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.