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iron ore sintering line

Modeling Sintering Process of Iron Ore - IntechOpenMar 23, 2012 . meet the sinter quality requirements to use in the blast furnace or other reducing process(Castro et. al., 2000, 2011). The process is carried out on a moving strand, where a previously prepared mixture of iron ore (sinter feed), fine coke or anthracite(fuel), line, other additives and water is continuously.iron ore sintering line,2 Phase Formation in Iron Ore Sintering - CSIRO Research .During the iron ore sintering process, iron ore fines (< 6 mm) are mixed with line flux and coke breeze and heated to ~1300ºC. This results in partial melting of the mixture, and converts the loose raw materials into a porous but physically strong composite material in which the iron bearing minerals are bonded together.

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Iron ore sintering. Part 1. Theory and practice of the sintering .Sep 10, 2014 . Full-text (PDF) | Sintering is a process by which a mixture of iron ores, fl uxes and coke is agglomerated in a sinter plant to manufacture a sinter product of a suitable composition, quality and granulometry to be used as burden material in the blast furnace. This process is studied and researche.iron ore sintering line,SINTERING OF ORE MIXES CONTAINING IRON CONCENTRATES .the sinter and the pellets are produced on various types of equipment, mostly on special belts. Sinter is formed from mixes containing iron ore of grain sizes of up to 6,0 mm, coke breeze of a grain size of up to 3,0 mm and other addi- tives. The additives in sinter mixes are line, lime and. ironYbearing waste.

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iron ore sintering line,

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING R. P. .

[A.K.Biswas: Principles of blast furnace iron making':Theory and Practice (1981),. Cootha Publ.House, Australia, Ch VI]. The statistical analysis of the performance data of the blast furnace T at Bhilai (SAIL Plants) has shown that the parameters, specific consumption of sinter and weight of line in the burden were.

The Sintering Process of Iron Ore Fines | ispatguru

Mar 9, 2013 . It generates slag with the impurities present in the iron ores and solid fuels producing a suitable matrix for cohesion of the particles; It improves the physical and metallurgical properties of sinter; It reduces the melting temperature of the iron ore blend; It promotes the calcination reaction of the line.

Influence of line particle size on iron ore sinter properties and .

May 20, 2010 . Iron ore fluxed sinter is the main ferrous burden of Jindal south west steel limited (JSWSL) blast furnaces. In sinter plant fluxes including line and dolomite are added to improve the sinter properties of iron ore and to provide an appropriate slag composition of the blast furnace. The raw material grain.

SINTERING OF EGYPTIAN IRON ORE 1. Introduction

The present investigation is devoted to study some factors affecting on the sinter pro- cess of El-Baharia iron ore now days. 2. Materials and experimental. 2.1. Materials. The raw materials used in this work were El-Baharia Oasis (El-Gedida iron ore depo- sits), line, recycled sinter (sinter return), and coke breeze.

The Sintering Process of Iron Ore Fines | ispatguru

Mar 9, 2013 . It generates slag with the impurities present in the iron ores and solid fuels producing a suitable matrix for cohesion of the particles; It improves the physical and metallurgical properties of sinter; It reduces the melting temperature of the iron ore blend; It promotes the calcination reaction of the line.

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The main flux added to iron ore sinters and iron ore pellets are line and dolomite which are considered the source of fluxing oxides. In this investigation iron ore sinter having basicities of 0.7 and. 2.1 were prepared. At each basicity two samples were prepared with either line or dolomite as fluxing.

chemical composition analysis of raw materials used in iron ore .

Feb 20, 2014 . and steel industry. Hematite ores, magnetite concentrates, admixtures (dolomite, line and burnt lime), fuels. (coke breeze, anthracite) and by-products are used in Poland to produce the sinter mixture. Key words: iron ore sintering process; chemical composition; raw materials, Poland. INTRODUCTION.

Chemical Grade Line for Ironmaking - Carmeuse Lime & Stone

Blast Furnace – CGL is utilized to produce the slag which removes impurities from the iron ore reduction process to make the liquid pig iron. Pellet Production – CGL is pulverized and utilized in forming a fluxed iron ore pellet that is used in the blast furnace process. Sinter Production – CGL is crushed and utilized in the.

INFLUENCE OF IRON ORE MICRO-FINES ON SINTER STRUCTURE

Request (PDF) | INFLUENCE OF IRON OR. | Sintering of iron ore signifies incipient fusion of iron ore particles at temperatures near their melting point, resulting in formation of agglomerates. In this process heat is supplied by coke breeze in the sinter mix to achieve partial fusion and diffusion bonding. Since iron ore is the.

Iron ore sinter in the analytical transmission electron microscope

such as line, charged directly to the furnace with little or no preparation. However, the modern basic oxygen steelmaking process demands large quantities of hot iron of consistent composition. This in turn demands a blast furnace burden of consistent quality. Iron ore sinter satisfies this criterion and now constitutes.

mathematical modelling and optimisation of iron ore sinter properties

Specific amounts of different additives, such as fine- sized line, magnesite, dolomite, quartzite, serpentine, hydrated lime, etc, are also added to balance sinter chemistry for the blast furnace and flux matrix melt- forming reactions. The main aim of iron ore sintering is to produce a strong and reducible agglomerate (2).

Development of a method for evaluating raw materials for use in iron .

PAPERS. Development of a method for evaluating raw materials for use in iron ore sinter in terms of lime assimilation. W. Ferreira; R. Cromarty; J. de Villiers. Department of Materials Scnience and Metallurgical Engineering, University of Pretoria, Pretoria, South Africa.

iron ore sintering line,

Agglomeration behaviour of steel plants solid waste and its effect on .

The amount of coke breeze and iron ore was fixed to 300 g and 3 kg respectively, whereas the other raw material mixes are calculated for aforesaid basicity of sinter. The sinters produced in experiments have been graded as S1, S2, S3, …, S15 by varying line fines, i.e. flux and the amount of waste made pellets which.

Application of on-line elemental analysis for control of sinter feed .

Thermo Scientific™ CB Omni™ Online Elemental Analyzer for sinter as a primary sensor for basicity control in the iron ore sintering process. Sinter is the primary feed material for making iron in a blast furnace. Sinter is created by mixing iron ore concentrate with several additives such as line and silica to control the.

Iron & steel - British Lime Association (BLA) part of the Mineral .

Iron ores are usually purchased as fines or as pellets. Iron ore pellets contain slagforming components, and are fed directly to the blast furnace. Iron ore fines are mixed at the ironworks with line, olivine, dolomite etc. and pre-fired at low temperature to form sinter, i.e. agglomerates which can then be fed to the blast.

Mathematical model of thermal processes in an iron ore sintering bed

A raw mix of iron ores, line, and fuel coke fines forms a bed on a traveling grate. Fig. 1 shows a conceptual version of the process in the iron ore sintering bed. Once ignited by a coke oven gas. (COG) burner, coke combustion progresses downward very slowly, and iron ores are sintered in the high temperature.

iron ore sintering line,

Preparation of lime-rich sinter from waste line chips . - NOPR

Lime-rich sinters using waste line chips have been made for use in steel making as a fluxing material. The yield and shatter strength of the sinter was examined as determined by sinter mix composition (viz. line, iron ore and coke breeze). Tlie dissolution behaviour of such lime sinter was studied to observe its.

Sinter Plant

furnaces. Almost, there is no blast furnace operating without sinter, nowadays. The sintering technology was developed for the treatment of the waste fines of iron ore, coke, line, dolomite and metallurgical wastes. This topic features are related and suitable for 25 m2 annular sinter machine. All topics have been written.

Iron and Steel | Lhoist - Minerals and lime producer

Fine-crushed line is used as a flux in iron ore sintering. It adjusts the overall chemistry of the iron burden and plays a vital role in the formation of slag in the blast furnace process. Lime-based binders - sometimes including special clays - increase sinter plant productivity. Higher.

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