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Contact UsDirect reduced iron DRI , also called sponge iron, is produced from the direct reduction of iron ore in the form of lumps, pellets, or fines to iron by a reducing gas or elemental carbon produced from natural gas or coal Many ores are suitable for direct reduction...
Jul 29, 2010 0183 32 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...
Pig iron is divided into steel-making pig iron, which is intended for further processing to steel by various refining processes, and foundry pig iron, from which cast iron is produced by re-melting Directly Reduced Iron Directly reduced iron is a product of iron steel direct reduction from ores in the solid...
Sponge iron process The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of an oxide In the process, selected magnetite Fe 3 O 4 ore is mixed with coke and lime and placed in a silicon carbide retort The filled retort is then heated in a kiln ....
Nov 12, 2012 0183 32 HAND BOOK OF SPONGE IRON MAKING IN ROTARY KILNS , Books about HAND BOOK OF SPONGE IRON MAKING IN ROTARY KILNS BY P C PRADHANDownload free books online share with friends any PDF ebook on hand book of sponge iron , »More detailed...
The process of sponge iron making aims to remove the oxygen from iron ore The quality of sponge iron is primarily ascertained by the percentage of metallization removal of oxygen , which is the ratio of metallic iron to the total iron present in the product Sponge iron manufacture is highly sensitive to raw material characteristics...
i Direct Reduced Iron Production , DRI or sponge iron Processes that produce iron by reduction of iron ore in solid state below the melting point are generally classified as DR processes ....
The sponge iron process The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of an oxide In the process, selected magnetite Fe3O4 ore is mixed with coke and lime and placed in a silicon carbide retort...
Jun 25, 2008 0183 32 IRON ORE MGM IRON ORE , , which can generally yield a 33 to 40 recovery of magnetite by weight, to produce a , COAL INJECTION IN ROTARY KILN KRamu, CRamesh, ARajasekaran During the process of manufacture of sponge iron, coal injection plays a v, IRON ORE MGM IRON ORE...
Nov 09, 2014 0183 32 Making process iron ore to sponge iron Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising If you continue browsing the site, you agree to the use of cookies on this website...
Sponge iron is used to make steel by all Indian steel producers and is a substitute for steel melting scrap Healthy demand growth in steel sector is also pushing sponge iron demand Apart from declining availability of steel melting scrap, sponge iron demand has also gone up ,...
Method for Calculating Yield of DRI Production in Rotary Kiln 12/16/2010 3 58 AM we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln we have been evaluating the yield for production using the following formula...
1 TECHNO ECONOMIC EVALUATION OF IRON ORE PELLET MANUFACTURING PROCESSES IN INDIA AND JUSTIFICATION FOR NEW UNITS IN ODISHA HK Naik and ICPradhan Associate Professor, Mining Engineering Department National Institute of Technology, Rourkela...
Conducting complete energy audit both process and utility of a sponge iron unit is challenging as there is no laid down procedure to audit the process side Further, the average heat to power ratio kW th /kW e of sponge iron plants ranges from 25 1 to 31 1 This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant...
Jul 15, 2017 0183 32 Tata Sponge production surges 8 per cent to record 39 lakh tonne in 2016-17 Based on the experience gained from using imported coal of superior quality having a positive impact on the quality of sponge iron, the company sourced 96 per cent of coal of different grades from South Africa...
The process involves use of carbon at temperatures below the melting point of iron Sponge iron is not useful in itself, but must be processed to create wrought iron Producing sponge iron and then working with it was the earliest method used to obtain iron in the Middle East, Egypt and Europe where it remained in use until at least the 16th ....
Our efficient manufacturing process caters to all steps to reduce wastage and optimize productivity It consists of the following Iron Ore Mining We have 106 hectare of mines in Chhattisgarh rich in iron ore Our mining methods are thus driven by an environmental friendly yet active exploration, mining and development programme leading to efficient raw ,...
Jun 24, 2008 0183 32 i have a steel melting shop with 2 nos of induction furnaces of 8 ton capacity each followed by a 4/7 continous casting machine which will produce 100mm billetswhat should one keep in mind if we plan to get into conversion process of sponge iron to billetwhat would be the conversion cost on the whole and what all points one needs to keep in mind while going for conversion with the ,...
Sponge iron is not useful in itself, but must be processed to create wrought iron Producing sponge iron and then working with it was the earliest method used to obtain iron in the Middle East, Egypt and Europe where it remained in use until at least the 16th century...
Jul 23, 2019 0183 32 Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron oreThe iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens, blast ....
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 ,...
Yield of Sponge Iron Yield of sponge iron depends on the metallization percentage It is nothing but the percentage of the molten metal you get from the sponge iron you have charged in the furnace Better yield will give lesser power consumption and better productivity As the slag content in sponge iron plays a vital role And the power...
Lighthouse ERP for Sponge Iron Industry is designed to handle complete needs in most efficient, effective accurate way Lighthouse ERP has continuously evolved since 1987 and Lighthouse is committed to provide a industry- specific, comprehensive and robust solution for the Steel Industry...
The company has the world s largest coal-based sponge iron manufacturing facility at Raigarh, Chhattisgarh and stands out as the market leader in coal-based sponge iron industry within India , The plant uses direct reduced iron DRI process method of production and utilises ten indigenously developed rotary kilns 6 kilns of 300 tonnes per ....
Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas, Himanshu shrivas Abstract---Today is an era of competition, and contrary to this the Iron and steel industries are also suffering from the same One of the major challenges for sponge iron plant is the Accretion formation Through this...
Dec 07, 1982 0183 32 It has now been found that the above difficulties and drawbacks with the known processes can be substantially eliminated according to the present invention This invention is directed to a method and apparatus for manufacturing sponge iron by the continuous reduction of iron ,...
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Know MoreDiscover nail manufacturing process Nail production line YouTube Feb 4, 2017 Discover nail manufacturing process Nail production line In woodworking and construction, a nail is a pinshaped object of metal or wood, called a treen sponge iron plants manufacturers and sponge iron ,...