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of coke breeze sintering iron ore

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

Dec 01, 2018  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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Partial substitution of anthracite for coke breeze in iron ...

Jan 15, 2021  Based on the above issues, anthracite has become the main substituting fuel for coke breeze in iron ore sintering due to its reasonable price 19,20.When this substitution is

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Substitution of Charcoal for Coke Breeze in Iron Ore Sintering

However, at 100% subsitution, the sinter mixture failed to achieve balance even at a very high fuel addition level of 4.7%. 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).

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

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. Keywords: Coke fine, Granulation, Iron ore ...

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Effects of anthracite replacing coke breeze on iron ore ...

Jun 05, 2008  Anthracite coal as fuel for iron ore sintering is compared with coke breeze. Anthracite is lower in porosity, higher in density, and slower in combustion rate. With higher proportion of anthracite in fuel, permeability of sinter bed tends to decrease resulting in lower sinter productivity.

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Modified coke breeze distribution in iron ore sintering ...

consumption in iron ore sintering by reducing the coke ratio from top to bottom without deteriorating the sinter property. 12% reduction in coke breeze rate has been found and the sinter quality has been improved by the use of a triple layer of sinter mix with a lower coke rate towards the bottom.

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Modified coke breeze distribution in iron ore sintering ...

Journal of Mining and Metallurgy. Section B: Metallurgy (2021-01-01) . Modified coke breeze distribution in iron ore sintering - a novel technique of reducing energy consumption and improving quality

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Optimization of Coke Breeze Segregation in Sintering Bed ...

the blending ratios of the coke breeze, Ore N, and Ore R for each layer with the two blending patterns. The limestone, coke breeze and return fine used in the tests were gathered from the sintering plant. For 50mass% of pisolite ore ratio, the difference of combined water in upper layer and bottom layer was considered as 1.17mass% ( 0.7/3050 ...

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Effects of anthracite replacing coke breeze on iron ore ...

Anthracite coal as fuel for iron ore sintering is compared with coke breeze. Anthracite is lower in porosity, higher in density, and slower in combustion rate. With higher proportion of anthracite in fuel, permeability of sinter bed tends to decrease resulting in lower sinter productivity.

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DOISerbia - Modified coke breeze distribution in iron ore ...

Therefore, the current study explores the possibility of reducing energy consumption in iron ore sintering by reducing the coke ratio from top to bottom without deteriorating the sinter property. 12% reduction in coke breeze rate has been found and the sinter quality has been improved by the use of a triple layer of sinter mix with a lower coke ...

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(PDF) Particulate Sintering of Iron Ore and Empirical ...

Particulate Sintering of Iron Ore and Empirical Analysis of Sintering Time Based on Coke Breeze Input and Ignition Temperature

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Effect of coke breeze and CaO on oxidation of magnetite ...

It is suggested that magnetite should be kept away from coke and CaO source in the sinter bed. CITATION:Murakami, T, Maruoka, D and Kasai, E, 2019. Effect of coke breeze and CaO on oxidation of magnetite concentrate, in Proceedings Iron Ore 2019, pp 449455 (The Australasian Institute of Mining and Metallurgy: Melbourne).

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APPLICATION OF FINE-GRAINED COKE BREEZE

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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CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

ore particles. The burning of coke breeze by the preheated air proceeds successively vertically downwards. The calcined limestone reacts with the gangue constituents to ... Fig. 11.3: Factors involved in the granulation and sintering of iron ores The following factors play major roles in controlling the granulation characteristics of sinter mix.

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Sintered Ore - Philippine Sinter Corporation

Sintering of iron ore is a pre-process vital to steel manufacturing. It begins with the mixing of fine iron ore, solid fuel such as coke breeze anthracite coal, and flux such as limestone dolomite. Sintered Iron Ore/ Sintered Ore (SO) is the result of the sintering process. The product is made of ferrous and calcium which can be produced ...

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THE THERMOVISION MEASUREMENT OF TEMPERATURE IN THE IRON

Sinter is input material for the blast furnace process. In the sintering process fuel is in the form of coke breeze (or in the form various types of biomass) used for production of iron-ore sinter. Temperature measurement and monitoring is very important in the iron sintering process.

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Of Coke Breeze Sintering Iron Ore

Of Coke Breeze Sintering Iron Ore. As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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What Is Iron Ore Sintering? (with pictures)

Specifically, iron ore sintering requires the use of fine ore, produced by crushing high-grade iron ore into particles only a few millimeters in diameter. Depending on the specific machine and iron ore sintering process used, substances such as coke breeze and burnt limestone are used to ignite and heat the iron ore particles until the ...

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Partial substitution of anthracite for coke breeze in iron ...

Jan 15, 2021  The porosity of the anthracite was 37.9%, which was lower than that of the coke breeze (41.4%). In general, the bulk densities, true densities and porosity of coke breeze and anthracitewere similar. These properties have no effect on the substitution anthracite for coke breeze in iron ore sintering.

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Effect of the catalyzing combustion of coke breeze on the ...

The mechanism of additive ZC-1 for catalyzing combustion of coke breeze in sintering of iron ore fines was studied by using X-ray Diffraction, TGA and GC(Gas Chromatographer), by which energy saving was achieved on sinter pot test. The results show that the distance between cleavage planes is enlarged and the π-electrons are re-distributed because of the insertion of cations/molecules of ZC-1 ...

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Effects of anthracite replacing coke breeze on iron ore ...

Anthracite coal as fuel for iron ore sintering is compared with coke breeze. Anthracite is lower in porosity, higher in density, and slower in combustion rate. With higher proportion of anthracite in fuel, permeability of sinter bed tends to decrease resulting in lower sinter productivity.

Read More
Modified coke breeze distribution in iron ore sintering ...

Journal of Mining and Metallurgy. Section B: Metallurgy (2021-01-01) . Modified coke breeze distribution in iron ore sintering - a novel technique of reducing energy consumption and improving quality

Read More
Effect of coke breeze and CaO on oxidation of magnetite ...

It is suggested that magnetite should be kept away from coke and CaO source in the sinter bed. CITATION:Murakami, T, Maruoka, D and Kasai, E, 2019. Effect of coke breeze and CaO on oxidation of magnetite concentrate, in Proceedings Iron Ore 2019, pp 449455 (The Australasian Institute of Mining and Metallurgy: Melbourne).

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Influence of coke breeze particle size on quality of sinter

Jul 18, 2013  Abstract. Iron ore sintering is an extremely complex process involving fuel combustion to generate heat and reducing gases like CO. This heat allows physicochemical, solid and solid–liquid reactions to form liquids of complex components as fuel particles are consumed and cooling processes allow the formation of solid mineral phases.

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Of Coke Breeze Sintering Iron Ore

Of Coke Breeze Sintering Iron Ore. As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

Read More
APPLICATION OF FINE-GRAINED COKE BREEZE

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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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 suitable for charging in the blast furnace (Ramos et al., 2000; Umadevi et al., 2011 ...

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What is a Coal Coke Breeze? - Definition from Corrosionpedia

Mar 19, 2015  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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Sintered Ore - Philippine Sinter Corporation

Sintering of iron ore is a pre-process vital to steel manufacturing. It begins with the mixing of fine iron ore, solid fuel such as coke breeze anthracite coal, and flux such as limestone dolomite. Sintered Iron Ore/ Sintered Ore (SO) is the result of the sintering process. The product is made of ferrous and calcium which can be produced ...

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coke breeze in manganese sinter processing

coke breeze in manganese sinter processing. Iron-process of coke breeze sintering iron ore . 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

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What Is Iron Ore Sintering? (with pictures)

Specifically, iron ore sintering requires the use of fine ore, produced by crushing high-grade iron ore into particles only a few millimeters in diameter. Depending on the specific machine and iron ore sintering process used, substances such as coke breeze and burnt limestone are used to ignite and heat the iron ore particles until the ...

Read More
(PDF) Particulate Sintering of Iron Ore and Empirical ...

Particulate Sintering of Iron Ore and Empirical Analysis of Sintering Time Based on Coke Breeze Input and Ignition Temperature

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Reduction of Pollutant Emission in Iron Ore Sintering ...

For green production of iron ore sintering, it is significant to substitute fossil fuels by biomass which is a kind of clean and renewable energy. In this paper, three kinds of biomass fuels such as charcoal, charred-straw and molded-sawdust were studied as sintering fuels. The results show that, with the proportion of biomass replacing coke ...

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