process making sponge iron rotary kiln

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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 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

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials

rotary kiln process of making sponge iron

Rotary Kiln Process of Making Sponge Iron C The coal based rotary kiln process of making sponge iron is the focus of the present write up Although many different processes and CHAPTER 2 process concepts have been emerging in this area, there were rapid births and deaths of these processes and process concepts in the middle of the twentieth century But

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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 NonCoking coal Limestone, in small quantities, is also required to scavenge the sulphur IRON ORE The quality requirement of Sized ore for sponge iron production can be classified into:

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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 NonCoking coal Limestone, in small quantities, is also required to scavenge the sulphur IRON ORE The quality requirement of Sized ore for sponge iron

New Sponge Iron Rotary Kiln Design In Sponge Iron

Sep 10, 2020· Sponge Iron Manufacturing Process of New Design Sponge Iron Rotary Kiln Energy Comprehensive Utilization System The iron concentrate, dolomite, and coal from the stockyard enter into three groups of metering pneumatic conveying devices of the feeding system for metering The measured iron

rotary kiln process of making sponge iron

Rotary Kiln Process of Making Sponge Iron C The coal based rotary kiln process of making sponge iron is the focus of the present write up Although many different processes and CHAPTER 2 process concepts have been emerging in this area, there were rapid births and deaths of these processes and process

Rotary Kiln Process Of Making Sponge Iron

process of sponge iron by rotary kiln – Grinding Mill China Posted at: January 5, 2013 Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times; but because of the

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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 noncoking coal [Patra et al, (2005)] The reduction process is carried out in an inclined horizontal rotary kiln

China Rotary Kiln Process of Making Sponge Iron China

Model NO: Rotary Kiln Process of Making Sponge Iron Type: IronMaking Equipment Certification: ISO Lateritic Nickel Rotary Kiln: Rotary Kiln for Laterite Nickel Ore Calcining Output: 80100

sponge iron process

Jul 29, 2010· 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

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

Sponge iron making process SlideShare

Nov 09, 2014· Sponge iron making process 1 ALBERTUS SEPTYANTOKO 2 IRON ORE • Iron = 6567 % • SiO2 + Al2O3 = 23 % • CaO + MgO = 0,51 % • Sulphur = 0,02 % max •

Rotary Kiln Process Of Making Sponge Iron C Journal

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

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

Sponge iron making process SlideShare

Nov 09, 2014· Sponge iron making process 1 ALBERTUS SEPTYANTOKO 2 IRON ORE • Iron = 6567 % • SiO2 + Al2O3 = 23 % • CaO + MgO = 0,51 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 518 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition

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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

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SPONGE IRON PRODUCTION FROM ORE COAL

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

Rotary Kiln Process Of Making Sponge Iron

process of sponge iron by rotary kiln – Grinding Mill China Posted at: January 5, 2013 Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times; but because of the complexity Click & Chat Now

slrn process of sponge iron making

Sponge iron rotary kiln process anticorruption helpline sponge iron composition manufacturing process lloy sponge iron making is a process in which iron ore lumps typically mmmm 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 hours before

tunnel kiln process v s over rotary kiln process

A kiln is a thermally insulated chamber, a type of oven, that produces temperatures sufficient to complete some process, such as hardening, drying, or chemical have been used for millennia to turn objects made from clay into pottery, tiles and industries use rotary kilns for pyroprocessing—to calcinate ores, to calcinate limestone to lime for

ppt for rotary kiln process of making sponge iron rotary

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 flow of hot gas and reduced to form sponge

process of iron reduction in tunel kin and rotary kiln 」

Tunnel Kiln Process Sponge Iron Crusher Sponge iron production in rotary kiln quality of sponge iron made by the tunnel kiln technology is superior as compared to that made from the rotary kilns because while the input raw material gets just about 24hours for the reaction the figures almost reverse in case of the tunnel kiln

sponge iron vertical kiln manf process

tunnle kiln process of sponge iron production sponge iron through tunnel kiln process rotary kiln process of making sponge iron// 13 that the entire production by number 2 3 and 4 countries is through gas based route while in Malaysia more than half the Get Price

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A Thesis Submitted for Partial Fulfillment of the Degree

33 Schematic of optimised Rotary kiln sponge iron making process 21 41 Industrial view of Sponge Iron making Rotary Kiln 24 42 Schematic view of internal heat exchange in Rotary kiln 26 43 Schematic view of Lobe Blower 27 44 Schematic view of Air & material flow in Rotary kiln 27 45 Filling of Bed Geometry 28

sponge iron process

Aug 03, 2011· COAL INJECTION IN ROTARY KILN KRamu, CRamesh, ARajasekaran During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln

China Rotary Kiln Process of Making Sponge Iron China

Model NO: Rotary Kiln Process of Making Sponge Iron Type: IronMaking Equipment Certification: ISO Lateritic Nickel Rotary Kiln: Rotary Kiln for Laterite Nickel Ore Calcining Output: 80100 T/H(Roasted Sand) Application: Roasting Laterite Ores

(PDF) Operability Analysis of Direct Reduction of Iron Ore

Oct 16, 2020· direct reduction of iron ore by coal in a rotary kiln using a rigorous process model Though the objective is not to quantify OI, but to develop deeper understanding of the process, the