sponge iron making process rotary kiln



Development of energy conservations scenarios for sponge

16 01 2011  Coal based sponge iron plant a conventional process The process flow diagram of conventional coal based sponge iron plant is shown in Fig 1 The operating data shown in Fig 1 is taken from a typical Indian sponge iron plant In the conventional process kiln feed which consists of iron ore feed coal and dolomite is fed to the rotary kiln

SPONGE IRON PRODUCTION FROM ORE COAL COMPOSITE

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 does not require high strength and thermal stability of the raw material This gives the opportunity for charging composite pellets or

tunnel kiln process for sponge iron making

Rotary Kiln Process of Making Sponge Iron C CASE Group has set up India s first DRI Sponge Iron unit using Tunnel Kiln The Kiln which is 194m in length is the longest in India was successfully Read more sponge iron tunnel kiln partly due to the sponge iron sector the overall percentage of lumps usage in steel making 47 is higher Coal based DR in Tunnel Kilns A system and

rotary kiln for making sponge iron

14 05 2011  Rotary Kiln Process Of Making Sponge Iron Chapter EXODUS Tunnel Kiln Electrotherm Engineering Technologies These pellets are then used for making sponge iron rotary kilns have a drawback upon the size and quality of iron ore that can be used initially when the process was first introduced the ore with an iron content 65 Inquire Now Advances In Rotary Kiln Sponge Iron

Ironmaking Technology

Rotary Kiln Technology Paired Pushing Kiln Technology Chain Grate Rotary Kiln Machine Tech High Density Metallized Pellet HDDRI Mill Scale Iron Concentrate TFe > 68 Granular Iron Iron Ore Iron Concentrate TFe < 68 Iron Beach Sand Electric Furnace Slag Blast Furnace Slag Electric Furnace Dust Or Sludge Blast Furnace Dust Or Sludge Pyrite Cinder Sulfuric Acid Slag

Production Process Of Sponge Iron In Rotary Kiln Grinding

Rotary Kiln Process of Making Sponge Iron New Age Rotary Kiln Process of Making Sponge Iron 21 HISTORICAL BACKGROUND The cement process and equipments ppt Free Service Accretion Control In Sponge Iron Production Kiln Using This study focuses on sponge iron kiln based process The chemical process involved in making sponge iron removes oxygen from iron ore by using a

Recovery and utilization of waste heat in a coal based

Coal based sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig 1 Haematite and non coking coal are fed to the kiln at controlled rates without pre mixing and the charge moves through the kiln depending upon the rotation speed and inclination of the kiln In combination with the feed charge the other successive processes

rotary kiln process of making sponge iron c journal

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 non coking coal as a reluctant The Iron ore is charged from one end with non coking coal which is in the lump form or pellets and heated from

Also the process conditions in a sponge iron rotary kiln are dynamic in nature Hence the quality keeps fluctuating and is not a constant value A mathematical mass Hence the quality keeps

Capacity 50 1000Tpd Dri Rotary Kiln Sponge Iron

26 08 2021  Iron ore of the right quality is the basic input for the coal based direct reduction process The main raw materials for the production of DRI by the rotary kiln process are i sized graded iron ore or iron ore pellets ii non coking coal and iii dolomite in small quantities to scavenge the sulphur

Manufacturer of SPONGE IRON

Direct reduction processes can be broadly classified into to groups based on the type of the reluctant used namely solid or gaseous There are two well established processes for the manufacture of sponge iron namely The reformed natural gas process i e by the gaseous reduction of the iron ore Coal based Rotary Kiln processSolid Reduction

process of iron reduction in tunel kin and rotary kiln

process making sponge iron rotary kiln Energy Audit DRI Process Sponge Iron Kiln Efficiency Sankey rotary Kiln and product sponge iron along with char is taken out from the other end to the More Detail iron ore reduction in tunnel kiln Solution for ore mining

SPONGE IRON

SPONGE IRON Iron ore haematite and non coking coal are the prime raw materials for the production of sponge iron These are charged into a rotary kiln in requisite proportion along with some dolomite Coal plays a dual role in the process by acting as a reductant as well as a fuel for providing heat to maintain the requisite temperature inside the kiln at 950 1050 C The reduction process

process making sponge iron rotary kiln animation

process making sponge iron rotary kiln animation 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

Rotary Kiln Process Of Making Sponge Iron

Rotary Kiln Process of Making Sponge Iron Type Iron Making Equipment Certification ISO Lateritic Nickel Rotary Kiln Rotary Kiln for Laterite Nickel Ore Calcining Output 80 100 T H Roasted Sand Application Roasting Laterite Ores Spopnge Iron Reduction Process In Rotary Kiln However Rotary kiln process suffers from serious limitations like low productivity and pollution In this respect

Sponge Iron

A vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron process When the gases are travelling upwards the charge moves downward by gravity Gas based sponge iron is not subjected for magnetic separation as no contamination with nonmagnetic is possible either it can be cooled indirectly or briquetted in hot condition to get hot briquetted

Extractive Metallurgy Sponge Iron Making

11 10 2013  The process proposed to be adopted is the rotary kiln proposes using Non coking coal and iron ore Iron are undergoes the following reduction reaction in all the processes Based on Fig 3 seen that the reaction start at Temperature around 700 oC with 60 of CO at 1 atm But Normally the process is done at temperature 900 1100 oC Fig 3 Iron and Boudouard reaction Diagram After processed

The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings Accretion build up is the accumulation of semi molten material which form rings along kiln lining These rings narrow the kiln diameter thereby hindering efficient material flow and effect lowering production rate and performance of the kiln A study on the accretion

rotary kiln process of making sponge iron

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 non coking coal as a reluctant The Iron ore is charged from one end with non coking coal which is in the lump form or pellets and heated from

Sponge Iron

The process includes the de oxidisation of iron ore below the melting temperature of iron through the direct reduction process using high grade iron ore and non coking coal The material used is iron ores lumps/pellets Coal and Dolomite The direct reduced iron process is done in a rotary kiln at a temperature of around 850ᵒC 1050ᵒC

Reliable Lubrication Solution for Tyre Lubrication of

A rotary kiln from a sponge iron or cement plant does not matter where its situated because more or less its area of application is the same By the way Rotary Kiln is a huge chapter this is quite not possible to include all types of machine parts thar require lubrication in one article So today we are discussing Rotary Kiln Tyre Lubrication methodology A rotary kiln is a pyro processing

GODAWARI POWER ISPAT LTD

Scope Areas for Energy Conservation in Sponge Iron Making Scope 4 Feed material as well as air enters the process mainly rotary kiln at ambient temperature and reduction reactions are taking place at 1080 1100 C This requires feed to be heated up which needs the significant amount of heat generated from combustion of coal This

ORISSA SPONGE IRON AND STEEL LTD

OSIL is a development oriented company and OSIL owns many patents to its credit including the patent for OSIL process A method of continuous manufacture of sponge iron and a ported rotary kiln

making a rotary kiln

Rotary Kiln Process Of Making Sponge Iron Grinding Mill Mill rotary kiln for iron ore rotary kiln for calcining pellets iron ore pellets firing rotary kiln has dedied to the preheated iron ore pellets for firing the main body is a circular cylinder welded steel plate lined with 230mm thick installation of Read More how to make a rotary kiln for clayBINQ Mining Rotary kiln Ore

Rotary Kiln Process Of Making Sponge Iron Chapter

Sponge iron making process in animated crusherasia sponge iron making process in animated sponge iron by tunnel process pakistan crusher stone sponge iron kiln wiki South africa ore crusher plant Reviews 5 6K of rotary kiln for cement bsembgwalior The process proposed to be adopted is the rotary kiln proposes using Non coking coal and iron ore Iron are undergoes the following reduction

SPOTLIGHT

sponge iron will undoubtedly bewatched with great interest bysteelmakers throughout theworld Thetechnical andeconomic reasons forIscor sdecision toinstall the 100percentcoal based rotary kiln direct reduction process aredescribed inthisarticle Alternative Process Routes for Making Steel In the planning of an integrated steelworks on a

Direct Reduced Iron DRI

In India there are many small rotary kiln furnaces producing DRI known locally as sponge iron using coal as energy and reductant source Some of the sponge iron plants are captive to steel mills but there is a significant domestic merchant market India producing 57 of its crude steel in electric arc furnaces 2016 At integrated mini mills DRI can be hot charged to the EAF at

Accretion Control in Sponge Iron Production Kiln using

2 KILN BASED SPONGE IRON PRODUCTION PROCESS Rotary kilns are found in many processes that involve processing of solids This study focuses on sponge iron kiln based process The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non coking coal Patra et al 2005 The reduction process is carried out in an inclined

Project Pengolahan dan Pemurnian Bijih Besi menjadi Sponge iron Menggunakan Rotary Kiln dan Tungku Tegak/Processing and Refining Iron Ore into Sponge iron Using Rotary Kilns

Rotary Kiln Process Of Making Sponge Iron Chapter

Rotary Kiln Process of Making Sponge Iron New Age International Rotary Kiln Process of Making Sponge Iron 13 that the entire production by number 2 3 and 4 countries is Most of the plants in India use DRI process a solid state direct reduction process by which iron ore is reduced to sponge without phase change Figure 1 Raw material mix iron ore dolomite and coal are fed to one end of

Modeling of rotary kiln for sponge iron processing using

Majhi Tapash Ranjan 2012 Modeling of rotary kiln for sponge iron processing using cfd package ANSYS 13 0 MTech thesis PDF 3419Kb Abstract CFD analysis of heat transfer in freeboard of rotary kiln was done with licence version of ANSYS 13 0 authorized by NIT Rourkela ANSYS 13 0 is an engineering simulation software Computer Aided Engineering Kiln of a typical Sponge Iron

process making sponge iron rotary kiln animation

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 de sulphurizing agents lime stone or raw dolomite into an inclined rotary kiln heated counter current to the flow of hot gas and reduced to form spongeget price 2 D Model of Sponge Iron Rotary Kiln Developed Using CFD 2015 5 17 2II

SPOTLIGHT

sponge iron will undoubtedly bewatched with great interest bysteelmakers throughout theworld Thetechnical andeconomic reasons forIscor sdecision toinstall the 100percentcoal based rotary kiln direct reduction process aredescribed inthisarticle Alternative Process Routes for Making Steel In the planning of an integrated steelworks on a

Sponge Iron from Magnetite सच्चा दोस्त न्यूज़

10 09 2021  Sponge iron produced by this process employed a coal fired Rotary Kiln with the input charge consisting of equal quantities of iron ore and coal WATCH Click on Zee Business Live TV Streaming Below The present Sponge iron plants are red category industries which means they have very high pollution potential and can cause serious health hazards The manufacturing process

Rotary Kiln For Making Sponge Iron

Rotary kiln process of making sponge iron c rotary kiln process of making sponge iron 21 historical 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 scale Building Materials Equipment Sponge iron production in rotary kiln bidyapati sarangi sponge iron production in

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