working of kiln rotary for making sponge iron in ppt
Sponge iron manufacturing process rotary klin process
Rotary Kiln Process Of Making Sponge Iron C. 10 Advances in Rotary Kiln Sponge Iron Plant A typical process scheme for making sponge iron in a rotary kiln is presented in Fig 21 While Fig 21 shows only the key steps, a more detailed scheme, as it would appear for a typical operating plant, is presented in
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China ISO Dri Kiln Sponge Iron Rotary Kiln
Cement kiln is used for making of cement clinker and there are dry and wet methods to make cement. Metallurgy chemical kiln is used in metallurgy industry and ironworks for lean iron ore, chromium ore and ferronickel ore calcimine.
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Conversion of Sponge Iron From Low Grade Iron ore And Mill ...
The process of DRI or sponge Iron making can be classified into different categories as given below: (A) Rotary Klin Process Rotary Kiln method is very important for sponge iron production using noncoking coal as a reluctant. The Iron ore is charged from one end with noncoking coal which is in the lump form or pellets and heated from
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Cement Manufacturing Process | Phases | Flow Chart ...
Aug 30, 2012· Cement Manufacturing Process Phase IV: Kiln Phase. Kiln is a huge rotating furnace also called as the heart of cement making process. Here, raw material is heated up to 1450 ⁰C. This temperature begins a chemical reaction so called decarbonation. In this reaction material (like limestone) releases the carbon dioxide.
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DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE .
This is to certify that the thesis entitled "Design of Waste Heat Recovery System in A Sponge Iron Plant" being submitted by Saurav Kumar Sahu as an academic project in the Department of Chemical Engineering, National Institute of Technology, Rourkela is a record of bonafide work carried out by him under my guidance and supervision.
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"DEPHOSPHORIZATION OF STEEL PRODUCED FROM .
In the secondary route of steel making steel is produced using sponge iron, scrap etc. In this route steel is produced in electric furnaces. The main electric furnaces that are used in secondary steelmaking to produce steel are induction furnace and electric arc furnace.
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Rotary Kilns FEECO International Inc.
Rotary kilns work by processing material in a rotating drum at high temperatures for a specified retention time to cause a physical change or chemical reaction in the material being processed. The kiln is set at a slight slope to assist in moving material through the drum.
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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: / 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process
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SEPTEMBER2012/1
l Most of the production will be used for DRI making in house, balance for the sale to other DRI manufacturers in the country. l Consumption is Reduced by 2025 % as against of Iron Ore Lumps. l Production of DRI increases by 10 15% in rotary kilns . l Specific Power Consumption is Reduced by 10% .
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electric rotary kiln Rotary kiln for Sponge iron ...
kiln (or active lime kiln) is applied to roast active lime and slight calcined dolomite for iron and steel plant and ferroalloy works. Working Principle The rotary kiln consists of gas flow, fuel burning, heat transmission, and material movements, and other processes.
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Direct reduced iron SlideShare
Jul 15, 2015· Direct reduced iron 1. International Corporation ... Sponge iron making process Albertus Septyantoko. Sponge Iron Industry ... Indian Institute of Technology (BHU) Varanasi. Production of Direct Reduced Iron in Rotary Hearth Furnace Sateesh Kumar (DRI) Direct Reduction Iron Plant Flowsheet Options Gerard B. Hawkins.
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SPONGE IRON PRODUCTION FROM ORE COAL COMPOSITE .
SPONGE IRON PRODUCTION FROM ORE COAL COMPOSITE PELLETS IN TUNNEL KILN . ... Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns. The material bed in Tunnel kiln being stationary, it ...
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Sponge Iron Composition Manufacturing Process Lloyd's ...
Sponge iron making is a process in which iron ore lumps (typically 5mm18mm size) are tumbled with a 'select' grade of ironcoking 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 finished ...
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Pressure Measurement and Control in Rotary Kilns at TATA ...
Pressure fluctuations inside a coalfired rotary kiln for production of sponge iron affect the temperature distribution as well as the rate of reduction of iron oxides.
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New Concept of Hot Metal Production using Rotary Kiln ...
The charging of hot sponge iron from rotary kiln into electric arc f urnace through conveying system seems to be not so efficient in term of energy management and di fficulties during transportati on.
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sponge iron process
In general sized iron ore of 518mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 1520%.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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Lubrication of Girth Gears in Sponge Iron Plants
In sponge iron plants girth gears are preferred for the rotation of furnaces over the gearless drives due to their lower initial cost, simplicity to install, operate and maintain. In coal based sponge iron technology, the furnace (rotary kiln) fulfills various functions.
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Energy survey of the coal based sponge iron industry ...
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.
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process for making sponge copper powder india for sale price
use of fines for sponge iron production in coal based ... process for making sponge copper powder india for sale price. Iron The coal based rotary kiln process of making sponge, in a rotary reactor 24, quartz, ...
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Recovery and utilization of waste heat in a coal based ...
in the sponge iron production serves as the motivation of the present research work to propose some better alternative than waste heat recovery boiler to utilize waste heat. Along with the energyaspectthepresentworkalsoconsidersbetterutilization of water. 2. Coalbased sponge iron process The process of the direct reduction of haematite in a rotary kiln
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Sponge Iron an overview | ScienceDirect Topics
DRI is also known as sponge iron, it is a solidstate direct reduction process (Fig. ). Coal, dolomite and iron ore or pellets are fed into one end of a rotary kiln, while sponge iron and char are withdrawn from the other end. Primary and secondary airs are supplied to the kiln to initiate combustion and reaction processes (Choudhury, 2014 ...
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