sponge iron production in rotary kiln

sponge iron production in rotary kiln

Rotary Kiln Process of Making Sponge Iron - New Age InternationalRotary Kiln Process of Making Sponge Iron. 2.1 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. Conse- quently, they were replaced by the high production rate 'indirect.Sponge Iron Production in Rotary Kiln - Arabinda Sarangi, Bidyapati .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.

accretion formation inside rotary kiln during sponge iron productioncarried out in the field of specifying raw materials for the production of sponge iron through coal based route, almost negligible attention has been paid to study the accretion formation inside the rotary kiln. Accretion formation is one of the major problems encountered during direct reduction in rotary kiln. After operating coal.rotary kiln DRI production technologyNov 14, 2015 . Our company is professionally engaged in research and development on direct reduced iron technology, we mainly popularize rotary kiln technology and rotary hearth furnace technology. Rotary kiln technology is advanced and mature, its products may be DRI, HDDRI, granular iron and CBI. Rotary kiln.

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Rotary Kiln Process of Making Sponge Iron - New Age International

Rotary Kiln Process of Making Sponge Iron. 2.1 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. Conse- quently, they were replaced by the high production rate 'indirect.

sponge iron production in rotary kiln,Coal based Direct Reduction Rotary Kiln Process | ispatguru

Feb 14, 2017 . The reduced product having high degree of metallization shows a 'honeycomb structure', due to which it is often called sponge iron. . 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.

Computational fluid dynamics analysis of sponge iron rotary kiln .

Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln. The parameters, which.

rotary kiln DRI production technology

Nov 14, 2015 . Our company is professionally engaged in research and development on direct reduced iron technology, we mainly popularize rotary kiln technology and rotary hearth furnace technology. Rotary kiln technology is advanced and mature, its products may be DRI, HDDRI, granular iron and CBI. Rotary kiln.

operational aspects of sponge iron production in a rotary kiln bl .

SPONGE IRON PRODUCTION. IN A ROTARY KILN B. L. SENGUPTA. A. B. CHATTERJEA,. G. P. MATHUR. V. A. ALTEKAR*. ABSTRACT. ON the background of the imbalance in the occurrences of vast deposits of high grade iron ore with that of coking coal, and simultaneous availability of enormous quantity of evenly.

Benefits of oxygen enrichment in sponge iron rotary kiln emerging .

Optimal oxygen enrichment conditions for sponge iron rotary kiln have been successfully explored on an industrial scale using a data-driven model. . in a reduction of specific coal consumption by 6%, an enhancement in the sponge iron production by 6% and an increase in the rotary kiln campaign life from 50 to 100 days.

sponge iron production in rotary kiln,sponge iron plants manufacturers and sponge iron equipments

The coal base DRI rotary kiln process for production of DRI / Sponge Iron has its many parameters to increase the quality as well as productivity which need careful operations through out the process. Number of DRI processes came up and rotary kiln process with solid coal as fuel found to be most acceptable process in the.

Sponge Iron - SEIL

Steel Exchange India Limited is having a Sponge Iron manufacturing unit in technical collaboration with world renowned M/s Mannesmann Demag of Germany (CODIR Process). With an installed . The product i.e. Sponge Iron and semi burnt coal are discharged from the kiln through a rotary cooler. The cooler is 12M in.

Manufacturing Process - Sree Metaliks Ltd

The different coal based processes include retort/shaft, tunnel kiln, rotary kiln, Lurgi etc. The process to be adopted is the rotary kiln process using low-grade coal to reduce sponge grade iron ore. The locally available raw material, possibly to setup low capacity kilns and the lowest capital cost per installed capacity has.

DRI Rotary Kiln Gasifier |Coal Gasifier for DRI | Sponge Iron Industry .

CASE introduces another first in India by introducing coal gasifier for DRI Rotary Kiln saving tremendous coal used for reduction of Iron Ore. The system could be easily installed in the present setup&is totally PLC controlled Automatic equipment. India is largest producer of Sponge Iron in the world. Most of this production.

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD - IJEDR

Keywords: CFD, Parameters variation, Rotary kiln,. Temperature profile, Fe content. I. INTRODUCTION. In sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe which is called sponge iron. The performance of rotary kiln significantly affects the production capacities.

Accretion Control in Sponge Iron Production Kiln using Fuzzy . - Jkuat

Abstract: Sponge iron is the product generated by direct reduction of iron ore with aid of either carbon or natural gas under controlled temperatures and pressures within a rotary kiln. However the performance of rotary kilns is usually adversely affected by the formation of accretion. This accumulation of sintered solid.

sponge iron production in rotary kiln,A study on the accretion formation in DRI kilns and . - IOSR journals

To improve the performance of rotary kiln and maintaining the quality of sponge iron, there is a need to reduce . formation in rotary kiln by increasing the fusion temperature of the complex compound which sticks to refractory wall . Primary iron production is still predominantly made by the blast furnace process. However.

Waste Heat Recovery for Rotary Kiln Direct Reduction | Industrial .

The pulverized coal/natural gas/oil burner is installed at the discharge end of the kiln. Metallization varies from 83- 92% and carbon does not exceed 0.5%. Sponge iron is discharged from the kiln at approximately 800 -1000°C. Off gases produced in the kiln contain considerable sensible and chemical heat, the recovery of.

Simulation of Rotary Kiln Used in Sponge Iron Process Using . - IJET

Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process by designing a Multilayer Perceptron model that uses a momentum learning algorithm. For this purpose data of temperature profile of rotary kiln are collected from typical sponge iron plant, which.

Accretion Control in Sponge Iron Production Kiln using Fuzzy Logic

Sponge iron production process requires accurate monitoring and control of the process parameters. 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.

Energy Audit Methodology of Sponge Iron Manufacturing Units .

Further, the average heat to power ratio (kWth/kWe) 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. The main & only source of thermal energy is coal and the entire coal is fed to the rotary kiln.

Sponge ITC, Sponge Iron,India Iron Consultant

General The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Line, in small quantities, is also required to scavenge the sulphur.

Spotlight on coal-based direct reduction at iscor - SAIMM

some 80 per cent of the production. The rest of the world production is by solid reduction in rotary kilns of Lurgi,. Krupp, or Allis Chalmers design or origin. Iscor recently decided to install a direct-reduction plant with four rotary kilns to produce 600 kt of sponge iron per year. This sponge iron will make up the predicted.

Sponge Iron - Welcome to Thermal Systems

At the heart of Sponge Iron making is the Rotary Kiln, Iron Ore and Coal are fed to the Kiln. While Coal is gasified, the Ore is reduced (Oxygen is removed) in solid state to produce Direct Reduced Iron / Sponge Iron, which can be made into steel in Electric Arc Furnace. Recovery of heat in fuel gases for Steam Generation,.

Process For Rotary Kiln & Iron Ore Manufacturer from Delhi

Manufacturer of Process For Rotary Kiln, Iron Ore, Rotary Kiln Process Parameters, Flowchart For Sponge Iron and Electric Arc Furnace offered by Lubok . If the ore derived iron is in the form of hot metal rather than cold pig or DRI, new opportunities are open to the electrical melt shops in terms of lower production cost,.

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