Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN ... Index Terms—Sponge iron process, rotary kiln, temperature profile, artificial neural network. I. INTRODUCTION ... To produce sponge iron, iron ore and coal are used as raw material. In the kiln coal is
The contribution of coal based sponge iron to the total production in India has remained above 60 per cent since 2004-05. The contribution of coal based sponge iron has been on the rise.
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.
brief process of coal based sponge iron rotary kiln malaysian manganese mining company is manufactured from iron ore mining company in Next：brief process of coal based sponge iron rotary kiln…
The rotary kiln process chosen for the unit considers reduction of iron ore (5-20 mm) with solid carbonaceous material like coal heated up to a temperature of 950-1000 0 c in rotary kiln and then
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 reducing agent in Rotary Kiln.
In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK). A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.
Modelling and optimization of a rotary kiln direct reduction process H.P. Kritzinger and T.C. Kingsley ... for cement production and sponge iron production. Hatch has developed a proprietary one-dimensional kiln model to ... Illustrative examples are included for the case of a generic rotary kiln iron-ore reduction process.
Process Raw Materials Treatment The primary raw materials to produce sponge iron are non-coking coal and iron ore. These are fed into the rotary kiln along with dolomite to produce the sponge iron.
sponge iron manufacturing process or kiln operation with a view to finding out major energy sav- ing potential of the unit. In the research work we find that it is the incomplete reaction of coal that
Brief Process Of Coal Based Sponge Iron Rotary Kiln. 2 D Model of Sponge Iron Rotary Kiln Developed . variation in mass fraction of Fe content in kiln outlet stream is observed based on . kiln which consists of iron ore, coal . rotary kiln of sponge iron 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.
Jul 29, 2010· The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to 2.0% based on requirement for steel making.
100 Tpd Rotary Kiln. Sponge Iron. Exec Summary-DRI Process. ... Pig Iron Sponge Iron Coal Based: 64.06% Gas Based: 35.94% No. of units 90 47 35 40 15 ... SPONGY TECH has come out with unique sponge iron making process. In this process a fuel economizer named ―AAG‖ is suggested to install parallel to ABC on top of the feed chute of sponge ...
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 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 ... successfully manufactured in various parts of the world through either natural gas or coal-based technology. Iron ore is reduced in solid state at 800 ...
Dec 25, 2014· Coal based DRI (Sponge Iron) plant using Rotary Kiln from Electrotherm.
Sponge iron making is a process in which iron ore lumps … for a rotary kiln coal based sponge iron manufacturing process to be successful it is absolutely … 8122424015 9788122424010 Advances Rotary Kiln Sponge Iron Plant …
brief process of coal based sponge iron rotary kiln manufacturer in Shanghai, China. brief process of coal based sponge iron rotary kiln is manufactured from Shanghai Xuanshi,It is the main mineral processing solutions.. XSM stone crushing machine project-brief process of coal based sponge iron rotary kiln
The rotary kiln process is a well-established process for production of sponge iron. In this process a refractory lined rotary kiln is used for reduction of iron ore in solid state. The size depends on the production capacity of kiln.
In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).
Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas, Himanshu shrivas ... when the coal based DRI plant of Sponge Iron India Limited (SIIL) was commissioned at ... 1.2 Rotary Kiln Operation Generally in any sponge iron process, reduction is ...
Use Of Fines For Sponge Iron Production In Coal Based Rotary Kiln. Simulation of Rotary Kiln Used in Sponge Iron . Simulation of Rotary Kiln Used in Sponge Iron Process . coal and dolomite) into the sponge iron . . fines.
tion technology based on the use of non-coking coal in rotary kiln based processes is of obvious interest. With this in view, the Tata Iron and Steel Company Limited (TISCO) ... TDR (Tisco Direct Reduction) process of sponge iron manu- facture. 3 In order to commercialize the TDR technology to plants of 300 to 500 tpd capacity, a need was felt ...
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.
Further, many coal based rotary kiln sponge iron plants are generating ... of the few countries in the world endowed with ... » Learn More. brief process of coal based sponge iron rotary kiln - crusher in India. ... rotary kiln based sponge iron plant process pdf.
For Sponge Iron production by Direct Reduction Process CUMI offers the following solutions. COAL BASED SPONGE IRON ROTARY KILN
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 .
Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is …
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)
Coal based Rotary Kiln process - Solid Reduction. India there is no plant using liquid fuel for the reduction of iron ore since it's availability is problematic and injection of iron ore's done in the form of pellets, which becomes very expensive.
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:
identified various key issues related to performance of rotary kilns and were simulated based on CFD models. The authors ... A schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in Fig. 1. The rotary ... feed end of the kiln which consists of iron ore, coal and dolomite. Feed material moves ...