This book comprehensively discusses the production of rotary kiln sponge iron. The book is divided into 17 chapters. The first chapter briefly introduces the basic theory and principle of sponge iron production, the commercial application of Dr direct reduction process and the physical and chemical principle of sponge iron production
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Nov 09, 2014 sponge iron making process 1. albertus septyantoko 2712100014 2. iron ore iron 65-67 sio2 al2o3 2-3 cao mgo 0,5-1 sulphur 0,02 max phosphorus 0,04 max chemical composition size 5-18 mm shatter index 95 tumbler index 88 reducibility index 94 thermal degradation index 5 physical composition
Disadvantages of the iron sponge process. ... 126.96.36.199.3.1 rotary kilns. the main components in the flow sheets of these rk systems are similar, consisting of a solids feed system, the rk, a product cooler, screens, magnetic separators, and off-gas cleaners.
Sponge iron process. 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. get price and support online a thesis submitted for partial fulfillment of the .
Jun 30, 2011 the increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. this book comprehensively deals with the production of sponge iron in the rotary kiln. the book is divided into 17 chapters. the initial chapters give a brief on the fundamental theories and basic principles of sponge iron production ...
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. get price
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 stone size fraction of the product.
Rotary kiln process of making sponge iron 2historical 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 scaleotary kiln process of making sponge iron solution for. chat online sponge iron rotary kiln process cement.
Data-1 includes temperatures profiles and air inlet at positions, at-1 to at-3 and mf-1 and mf-2, inside the kiln whereas, flow rates of iron ore, feed coal, slinger coal and sponge iron is ...
The hot product discharged from the kiln is indirectly cooled in a rotary cooler by spraying water on the shell of the cooler. the discharge from the cooler is conveyed through a belt conveyor screened and magnetically separated. sponge iron and non-magnetic components are separated and stored in separate bins for further transfer.
Sponge iron rotary kiln manufacturer. sponge iron rotary kiln manufacturer , , over a billion tonnes of cement are made per year, andcement kilns are the heart of this production process ....
Index termssponge iron process, rotary kiln, temperature profile, artificial neural network. i. introduction sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore 1535oc by utilizing hydrocarbon gases or
Rotary kiln process of making sponge iron new age international 22 a concise schematic representation of a rotary kiln sponge iron plant fig 21 key technology in india siil process 100 tpd osil process 300 and more details get price. rotary kiln process of making sponge iron grinding mill.
2 d model of sponge iron rotary kiln developed using. 2ii 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
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 the kiln is mounted with a slope of ,
Mar 16, 2013 fig 2 principle of direct reduction process. gas based process. in the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation.
Sep 10, 2020 sponge iron is also known as direct reduced iron. using high-quality ore, using the principle of an oxidation-reduction reaction, in a rotary kiln, shaft kiln, or other reactors, the iron ore undergoes a reduction reaction and becomes porous sponge iron. sponge iron has a low content of harmful impurities such as sulfur and phosphorus and non ...
Aerodynamics inside a sponge iron rotary kiln and the usefulness of cfd. read more. recovery and utiliation of waste heat in a coal based sponge iron . iron exiting rotary kiln and further hot water is used to preheat air. to compute . of coal of 264535 million tonnes the coal based sponge iron
Sponge iron production in rotary kiln. sponge iron production in rotary kiln arabinda sarangi.the increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world this book comprehensively deals with the production of sponge iron in the rotary kiln the book is divided into 17 chapters.more.
6. the product i.e. sponge iron and semi burnt coal are discharged from the kiln through a rotary cooler. the cooler is 12m in length and water is sprayed directly as well as indirectly for cooling the material. the material is cooled down to 100oc and fed to magnetic separator for separating the sponge iron and non-magnetic char. the sponge ...
Rotary kiln furnace in sponge iron plant. rotary-kiln-furnace-in-sponge-iron-plant a rotary hearth furnace is mainly used in direct reduced iron indistry iron ore powder is reduced and molten into pig iron in the condition of reducing atmosphere its working temperature is up to 1520 a rotary heath furnace technology can also be used in the smelting of ferronickel ferrochrome and ferromanganese ...
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.
Rotary kiln process of making sponge iron. rotary kiln process of making sponge iron.favoured coal based rotary kiln units and presently india has more such modules than.get price.copper concentrate kiln dryer prices lki.rotary dryer is a kind of drying machine which can handle a large number ofquality rotary kiln dryer for sale, if you are interested in our rotary drying machine.
This book comprehensively deals with the production of sponge iron in the rotary kiln. the book is divided into 17 chapters. the initial chapters give a brief on the fundamental theories and basic principles of sponge iron production, commercially used dr direct reduction processes and physico-chemical principles of sponge iron production.
Rotary kiln for sponge iron plant view rotary kiln for. 2017-09-01 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 desulphurizing agents limestone or raw dolomite into an inclined rotary kiln heated counter current to the flow of hot gas and reduced to form ...
Rotary kilns figure 1 are used for a range of mineral processing operations. kilns range in size from 26 m in diameter and can be 50225 m long with an operating mass of up to 3000 t. two of the most common applications are for cement production and sponge iron production. hatch has developed a proprietary one-dimensional kiln model to