Particulate Sintering of Iron Ore and Empirical Analysis ...

Jan 15, 2015· Particulate Sintering of Iron Ore and Empirical Analysis of Sintering Time Based on Coke Breeze 46 | Page Sintering time per unit coke breeze input concentration The sintering times per unit coke breeze input concentration obtained by calculations involving experimental results and model-predicted results were also compared ...

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CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING R. P. Bhagat INTRODUCTION The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants. With the development of sintering technology, a sintering plant has become a tremendous success for providing a phenomenal increase in

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Optimisation of FeO in iron ore sinter at JSW Steel ...

AbstractCoke breeze is the most common fuel used in sintering, and its usage depends on the alumina content and fineness of the sinter mix. The coke breeze consumption in the JSW Steel Limited sinter plant was high compared to many other sinter plants in the world, and as there was a local shortage, optimisation in the sinter plants was necessary.

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EFFECT OF MAGNETITE, HEMATITE AND PELLET SCREENINGS …

In Figure 3, the decrease of coke breeze consumption can be seen, which calculates to approximately 10% reduction, compared to the reference sintering test. Reduced consumption of coke breeze has also been reported in earlier papers [4]. Figure 2 Productivity, reference sinter compared to sinter with addition of LKAB iron ore.

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Substitution of Charcoal for Coke Breeze in Iron Ore Sintering

Substitution of Charcoal for Coke Breeze in Iron Ore Sintering ... Compared with the sinter fired with coke breeze, the sinter from the mixtures containing up to 50% charcoal was marginally weaker in terms of sinter yield, tumble strength (TI) and reduction disintegration (RDI). The reasons for weaker sinter …

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Particulate Sintering of Iron Ore and Empirical Analysis ...

47 | Page Particulate Sintering of Iron Ore and Empirical Analysis of Sintering Time Based on Coke Breeze 40 35 Sintering Time (mins.) 30 25 20 15 ExD 10 MoD 5 0 850 950 1050 1150 Temperature (0C) Fig. 7: Comparison of the sintering times (relative to ignition temperature) as obtained from experiment and derived model.

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The Sintering Process of Iron Ore Fines – IspatGuru

Mar 09, 2013· flux sinter, Iron ore fines, self fluxing sinter, sinter, sinter machines, Stright line machine. circular machine, super fluxed sinter, The Sintering Process of Iron Ore Fines Sintering plants are normally associated with the production of hot metal in blast furnaces in integrated steel pants.

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Combustion behavior of granulated coke breeze in iron ore ...

1. Introduction. Iron ore sintering is a very important process which produces sinter as a major burden for blast furnace ironmaking. In this process, iron ore and auxiliary materials, e.g., fluxes, unqualified sinter (called return fine), and coke breeze, are mixed, granulated and then sintered at …

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Modeling Sintering Process of Iron Ore - Open

Modeling Sintering Process of Iron Ore 25 Fig. 2. Thermal cycle of the materials in the sinter strand. Several attempts have been done to predict the final properties of the sinter product (Water et al. 1989, Kasai et al. 1989, 1991). The most important parameters are reducibility,

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Green Iron Ore Sintering - AusIMM

The iron blast furnace is the most widely used and efficient producer of liquid iron. The integrated steel works is however under environmental pressure largely due to emissions from sintering and coking. The combustion of coke breeze during sintering contributes to greenhouse gases (eg carbon dioxide) and is the source of much of the emissions...

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Sinter Plant - MECON

the sinter bed effectively which helps us in making good quality sinter. Productivity and quality are determined by the coke combustion behaviour during sintering process. Due to the density difference between iron ore fines and coke fines, coke fines form layer on the surface of raw mix balls / nodules.

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Development of carbon composite iron ore micropellets by ...

Jan 29, 2015· Iron ore microfines and concentrate have very limited uses in sintering processes. They are used in pelletization; however, this process is cost intensive. Furthermore, the microfines of non-coking coal and other carbon-bearing materials, e.g., blast-furnace flue dust (BFD) and coke fines, are not used extensively in the metallurgical industry ...

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What is a Coal Coke Breeze? - Definition from Corrosionpedia

Coal coke breeze is a common backfill material used in cathodic protection. It is a type 1 carbonaceous backfill material. Coal coke breeze backfill has low resistivity and low ash content, and may be treated by the addition of 10% (by weight) commercial grade slaked lime. The fuel used in the iron ore sintering processes is coke breeze.

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Metcoke Specification - Sesa goa iron ore

Blast Furnace coke (20-80mm): Used mainly in Blast furnaces as a reduction agent to reduce Iron ore in different grades of steel products. Nut Coke (10-25mm): Used mainly in Alloy industries as a reduction agent. Coke Breeze (-10mm): Used mainly in Sinter plants, Cement Industries. Production Capacity

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APPLICATION OF FINE-GRAINED COKE BREEZE FRACTIONS …

The fuel used in iron ore sintering processes is coke breeze. Its combustion yields enough amounts of heat which is delivered to the sinter mix. One of the factors that signifi cantly affect the course of coke breeze com-bustion is its grain size. Many studies and industrial practices have shown that coarse-grained coke breeze

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Granulation of Coke Breeze Fine for Using in the Sintering ...

and coke breeze granules were almost the same. The iron ore sinter which was produced by using coke breeze without sieving yielded low productivity for both sinter machine and blast furnace. Furthermore, using coke breeze without sieving in sintering of an iron ore decreases the vertical velocity of sinter machine and increases the reduction time.

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Ore Sintering - an overview | ScienceDirect Topics

The sintering process begins with the preparation of a sinter mixture consisting of iron ore fines, fluxes, solid fuel (called bonding agents in Japan) such as coke breeze, and return fines from the sinter plant and blast furnace as well as recycled ferruginous materials from downstream iron …

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Iron-ore SInterIng ProceSS oPtImIzatIon

Iron-ore SInterIng ProceSS oPtImIzatIon Optymalizacja prOcesu aglOmeracji rudy żelaza The work deals with examination of the influence of the ratio between iron ore concentrate and iron ore on quality of produced iron ore sinter. One of the possibilities to increase iron content in sinter is the modification of raw materials ratio,

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Alternate carbon sources for sintering of iron ore (Acasos ...

It was found that pre-treatment is essential for the utilisation of alternate carbon sources. The crushing of the evaluated biomass to a particle size smaller than the optimal coke breeze size improved thermal utilisation at sintering, although productivity and quality could not reach the level of carbon breeze.

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A study on the effect of coke particle size on the therm ...

The sintering of iron ore is an important stage in the steelmaking process. In this procedure, the temperature rise due to the combustion of coke breeze causes the partial fusion and diffusion bonding in the sintering charge, producing a coarse agglomerate …

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Theory and Practice of Sintering of Iron ore – IspatGuru

Nov 25, 2018· Theory and Practice of Sintering of Iron ore. Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix (raw mix or green mix) of iron ore fines, fluxes, fuel (coke breeze) and plant return fines (e.g. mill scale, blast furnace dust, and returned sinter fines etc.) are converted into a particular form of ...

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INDUSTRY MARVEL INNOVATION OF WASTE TO ... - Sesa …

INDUSTRY MARVEL – INNOVATION OF WASTE TO WEALTH Selective utilization of waste to reduce fuel consumption Authors: NITESH Kr. NIRALA (AGM – Operation, Vedanta –Sesa Iron Ore Business), SANJEEV TIWARI (AM – Operation, Vedanta –Sesa Iron Ore Business), DHIRAJ AGARWAL (AM-Operation, Vedanta-Sesa Iron Ore Business) Abstract: The coke breeze is the common solid fuel for iron sintering …

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Particulate Sintering of Iron Ore and Empirical Analysis ...

The aim of this work is sintering of iron ore and empirically analyzing sintering time based on coke breeze input concentration and ignition temperature. II. Materials and Methods 2.1 Sinter Production Sinters were produced from iron ore and other ingredients such as limestone, coke etc considering a range of ignition temperature (864-11000C ...

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Substitution of Charcoal for Coke Breeze in Iron Ore Sintering

Substitution of Charcoal for Coke Breeze in Iron Ore Sintering LU,1)* Matt ADAM,1) Matt KILBURN,1) Sarath HAPUGODA,1) Michael SOMERVILLE,2) Sharif JAHANSHAHI2) and John Gordon MATHIESON3) 1) CSIRO Minerals Down Under Flagship, Queensland Centre for Advanced Technologies, Technology Court, Pullenvale, QLD, 4069 Australia.

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Utilization of charcoal in the iron-ore sintering process

bustibles than coke breeze. The analyses of individual types of biomass used for iron bearing agglomerate production over the world are given in Table 1 [2-4]. In various studies over the world, charcoal has been tested as a replacement for coke breeze in iron bearing materials sintering. Generalized knowledge is

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(PDF) Effect of coke size on iron ore sintering

This paper investigated the combustion behavior of coke breeze granulated with other raw materials for iron ore sintering in a broad temperature range up to 1350 °C in air and sintering flue gas ...

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Sinter Plant | Industrial Efficiency Technology & Measures

The purpose of the sinter plant is to process fine grained raw materials into a coarse grained iron ore sinter, ready to be charged to the blast furnace. Sintering of fine particles into a porous clinker – sinter – is necessary to improve the permeability of the burden, making reduction easier. A high quality sinter has high reducability, which reduces the intensity of blast furnace ...

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Control of the grain size distribution of T the raw ...

of coke breeze and flux in sinter mixes have been studied15–17 as well as the use of coarse iron ore particles10,18,19. Bhagat et al.15 reported that the micro-porosity of the sinter and its reducibility increased with a decrease in the size range of the coke breeze. The …

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Sinter plant - Wikipedia

Main feed into a sinter plant is base mix, which consists of iron ore fines, coke fines and flux (limestone) fines. In addition to base mix, coke fines, flux fines, sinter fines, iron dust (collected from plant de-dusting system & ESP) and plant waste are mixed in proportion (by weight) in a rotary drum, often called mixing and nodulizing drum.

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Index Terms— coke breeze, charcoal, sintering process ...

The high consumption of coke breeze leads to its depletion as the most of the fossil fuels. Several researches, nowadays, focus on finding different alternatives that can replace the coke breeze either partially or completely. In this study, the charcoal was used as a supplementary fuel in the iron ore sintering process. Coke breeze

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