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SPONGE IRON PLANT

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

How To Process The Sponge Iron In Rotary Kiln Machine Mining

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 sponge iron.

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

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 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 sponge

SL RN (Iron Making Rotary Kiln Process for DRI

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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 reducing agent in the form of non-coking coal [Patra et al, (2005)]. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.

Sponge iron making full process_Coal base DRI YouTube

Dec 24, 2018 Direct reduced iron (DRI), also called sponge iron,[1] is produced from the direct reductionof iron ore (in the form of lumps, pellets, or fines) to iron by

Sponge iron making process SlideShare

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

sponge iron process

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 grain size fraction of the product.

Sponge Iron an overview ScienceDirect Topics

DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants (CO + H

How To Process The Sponge Iron In Rotary Kiln Machine Mining

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 sponge iron.

Sponge iron rotary kiln process Anti-Corruption Helpline

Sponge Iron Composition Manufacturing Process Lloy. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product

(PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to

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

sponge iron production doc

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 noncoking coal [Patra et al, (2005)].

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 reducing agent in the form of non-coking coal [Patra et al, (2005)]. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.

Coal & Gas based DRI Plant Rotary Kiln for Making Sponge

We manufacture Sponge Iron Plant on turn-key basis of different functional capacities i.e. 100 TPD, 300 TPD, 500 TPD plants.The equipment support provided for the plants include Kiln/cooler tyre, Kiln/cooler support roller, Kiln/cooler support roller shaft, Kiln/cooler support roller assembly with bearing housing, Kiln/cooler girth gear, Kiln/cooler pinions, Kiln/cooler pinion shaft, Kiln

[PDF] Rotary Kiln Process of Making Sponge Iron 2 . 1

Consequently, they were replaced by the high production rate ‘indirect process,’ and the development of modern DR Process did not begin until the middle of 19th century. Perhaps the very first patent in U.K. for sponge iron making was in 1792 presumably using a rotary kiln. More than 100 DR processes have been invented and operated since 1920.

Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati

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.

Simulation of Rotary Kiln Used in Sponge Iron Process

Index Terms—Sponge 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

Sponge iron rotary kiln process Anti-Corruption Helpline

Sponge Iron Composition Manufacturing Process Lloy. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product

sponge iron production doc

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 noncoking coal [Patra et al, (2005)].

rotary kiln based sponge iron plant process pdf

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

Sbm Rotary Kiln Sponge Iron marianne-kirchner.de

Rotary kiln process of making sponge iron grinding mill energy saving dry process cement rotary kiln for sponge iron cement kiln is used for making of cement clinker and there are dry and wet methods to metallurgy chemical kiln is used for magnetic roasting of iron ore and get price quick lime plant hydrated lime machinery lime processing.

Process Making Sponge Iron Rotary Kiln

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.

SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE

However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed 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.

process flow diagram of sponge iron plant

process flow diagram sponge iron plant thickening equipmentRotary Kiln Process of Making Sponge Iron CRotary Kiln Process of Making Sponge Iron 13 that the entire .Get Price; life span of a iron crusser unit in india life span of a iron crusser unitYouTube the natural life span is not short.

Rotary Kiln Sponge Iron Plant Pdf -rotary Kiln

Rotary Kiln Based Sponge Iron Plant Process Pdf . In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln the process is very energy demanding in order to identify the largest losses and to find ways to increase the efficiency an energy survey of the

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% was preferred and the preferred size of ore was 5-18mm.

Sponge Iron Production in Rotary Kiln, Sarangi, A. Sarangi

Jan 30, 2011 The process of reducing the iron ore in solid form by reducing gases is called direct reduction. This book deals with the basics of sponge iron production in rotary kiln, describing the operational problems and control needed to produce a quality product.

Rotary Kiln Cement Rotary Kiln and Sponge Iron Rotary Kiln

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.