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sponge iron production in rotary kiln

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tunnel kiln process for sponge iron making

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 iron

energy survey of the coal based sponge iron industry

Sep 01, 2015 · 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 sponge iron plant was carried out for a number of different production rates

process of sponge iron by rotary kiln

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 sponge iron process,Jul 29, 2010· In general sized iron ore of 5-18mm

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 …

sponge iron production in rotary kiln, sarangi, a. sarangi

Jan 30, 2011 · 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. The book comprehensively explains the process of selection and testing of raw materials needed to prepare sponge iron

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

sponge iron production in rotary kiln - arabinda sarangi

Jun 30, 2011 · 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

sponge-iron - shakambhari group

Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore (5 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln. Sponge iron is rich in Metallic Iron (Pure Iron) …

(pdf) i) direct reduced iron: production

or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting ... coals for DRI production in rotary kilns. [7] The following characteristics are of

(pdf) optimal control of accretion growth and quality of

Sponge iron is an intermediate product of steel formed during direct reduction of iron ore with aid of regulated temperatures and pressures within a rotary kiln

flow of materials in rotary kilns used for sponge iron

Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975. In this pilot plant, a totally indigenous technology for production of

excellent sponge iron kiln to deal with your ... - rotary kiln

Sponge rotary kiln is a device for producing sponge iron. It has a reasonable structure, stable performance, and simple operation. Sponge Iron Kiln Main Structure Sponge iron kiln’s kiln head steal: Sponge iron kiln adopts kiln shell gas seal and spring steel sheet double-layer flexible sealing device

super refractories - sponge iron production

For Sponge Iron production by Direct Reduction Process CUMI offers the following solutions. COAL BASED SPONGE IRON ROTARY KILN. svenska casino spel. Application: Recommended Products: AFTER BURNING CHAMBER (ABC) CUMICRETE CK 14 SI: ABC BACK UP : CUMICRETE CII 104SI:

coal based direct reduction rotary kiln process ispatguru

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. Iron ore of the right quality is the basic input for the coal based direct reduction process

9788120340992: sponge iron production in rotary kiln

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

(pdf) modeling of rotary kiln for sponge iron processing

Kilns of Sponge Iron Industry usually rotate at 0.35 to 0.7 rpm. The bearings of the rollers must be capable of withstanding the large static and live loads involved, and must be carefully protected from the heat of the kiln and the ingress of dust

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 production process - arij trading

This process is one of the oldest direct reduction methods and the idea of its structure is based on a horizontal cement kiln. In this method, heat coal (as a reducing agent) is mixed with iron ore and sponge iron is produced in a horizontal furnace

new sponge iron rotary kiln design in sponge iron

Sep 10, 2020 · Sponge Iron Uses In Many Fields. Sponge iron is also known as direct reduced iron. Using

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Jan 01, 2010 · 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