(PDF) Iron Ore Sintering: Quality Indices

2017-5-2  Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to

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IRON ORE SINTERING PART 2. QUALITY INDICES AND

The iron ore used presents a low MgO content (0.01%) and a high Al2O3 content (2.99%). It was seen that raising the MgO content in the sinter, from 1.4 to 2.6%, increased the FeO content and decreased productivity and the RI, RDI and TI indices [13]. 2.1.4.

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Iron Ore Sinter - an overview ScienceDirect Topics

Granulation and thermal densification are two important steps in iron ore sintering and determine the quality of the resultant sinter and the performance of the sintering process. Iron ore is typically characterized chemically, physically, and mineralogically.

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Sintering Properties and Optimal Blending Schemes of Iron ...

2012-6-1  According to the analysis of each ore’s sintering properties, an ore blending scheme (Chinese concentrates 20% +Brazilian ores 40% +Australian ores 40%) was suggested. Moreover, sinter pot test using blending mix was performed, and the results indicated that the ore blending scheme led to good sintering performance and sinter quality.

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Ore Sintering - an overview ScienceDirect Topics

2010-4-2  The “ore group” iron ore textural classification scheme (Table 2.7 and Figures 2.7 and 2.8) has been developed to link ore texture to downstream processing performance including lump/fines ratio, beneficiation, blast furnace lump physical and metallurgical properties, or fine ore sintering quality (Clout, 2002). The Ore Group scheme defines ...

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CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

2012-8-16  ' GRANULATION OF SINTER MIX INGREDIENTS A sinter feed with good permeability from ignition until burn-through is required for efficient operation of a sinter plant. In this regard it is necessary to consider the widely held and simplistic view that sinter feeds containing iron ores with high ultra-fines content have low-pre-ignition permeability.

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Influence of Coating Granulation Process on Iron Ore ...

Iron ore fines are the main source for sinter making. To improve the sinter properties it is necessary to provide good quality of iron ore fines. Due to depletion of high grade iron ore resources, goethite and limonitic ore content in iron ore fines is expected to increase gradually.

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Efficient iron sintering process control Materials Talks

2020-11-4  Sintering is one of the iron ore post-processing steps to prepare iron ore fines for a blast furnace (another common process of iron fines agglomeration is pelletizing, but this will be part of another blog). Feed for a sinter plant consists of iron fines, coke, and flux (eg limestone). The feed is placed on a sintering bed, where thermal ...

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IRON ORE SINTERING PART 2. QUALITY INDICES AND ...

Dyna, year 81, no. 183, pp. 168-177. Medellin, February, 2014. ISSN 0012-7353 IRON ORE SINTERING PART 2. QUALITY INDICES AND PRODUCTIVITY SINTERIZACIÓN DE MINERALES DE HIERRO

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24 PERMEABILITY TEST FOR DEVELOPMENT OF A BED

2019-8-20  IRON ORE SINTERING By David J. Englund May 2012 Technical Report NRRI/TR-2012/24 ... for characterization under anticipated sintering conditions. Two granulation methods were employed, determined by sample size. ... helpful in determining optimum moisture content that will produce good quality

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Iron Ore Sinter – IspatGuru

2014-7-15  Iron Ore Sinter. Iron ore sinter or simply called sinter is usually the major component of a blast furnace iron bearing burden material. Sinter normally consists of various mineral phases produced by sintering of iron ore fines with fluxes,

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Influence of Coating Granulation Process on Iron Ore ...

Iron ore fines are the main source for sinter making. To improve the sinter properties it is necessary to provide good quality of iron ore fines. Due to depletion of high grade iron ore resources, goethite and limonitic ore content in iron ore fines is expected to increase gradually.

Get Price

IRON ORE SINTERING PART 2. QUALITY INDICES AND

The iron ore used presents a low MgO content (0.01%) and a high Al2O3 content (2.99%). It was seen that raising the MgO content in the sinter, from 1.4 to 2.6%, increased the FeO content and decreased productivity and the RI, RDI and TI indices [13]. 2.1.4.

Get Price

Efficient iron sintering process control Materials Talks

2020-11-4  Sintering is one of the iron ore post-processing steps to prepare iron ore fines for a blast furnace (another common process of iron fines agglomeration is pelletizing, but this will be part of another blog). Feed for a sinter plant consists of iron fines, coke, and flux (eg limestone). The feed is placed on a sintering bed, where thermal ...

Get Price

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

2012-8-16  The total reaction involved in the process of sintering is the sum of a number of reactions which involve reactions in heating zone, reactions in sintering zone and reactions in cooling zone. These reactions are illustrated schematically for typical sintering of a lime-fluxed haematite ore in Fig. 11.

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Calcium Ferrit Generation During Iron Ore Sintering ...

2015-5-6  Iron ore sintering is a heat treatment process for agglomerating fine particles into larger lumps, which then serve as the major burden for blast furnace. The production of high-quality sinter is critical for efficient blast furnace operation [1-3].

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Modeling Sintering Process of Iron Ore

2018-9-25  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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the Sintering Process - MDPI

2020-4-17  the sintering process of iron ore and the coupling between the reactions is strong, in order to investigate the influence of the quasi-particle structure on the combustion kinetic parameters of the sintering fuel, Fe2O3 and Al2O3 pure powder reagents with a

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24 PERMEABILITY TEST FOR DEVELOPMENT OF A BED

2019-8-20  IRON ORE SINTERING By David J. Englund May 2012 Technical Report NRRI/TR-2012/24 ... for characterization under anticipated sintering conditions. Two granulation methods were employed, determined by sample size. ... helpful in determining optimum moisture content that will produce good quality

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SYNTHESIS OF PLANTWIDE QUALITY PREDICTION

2010-7-15  SINTERING PLANTS The sintering process is intended to supply to a blast furnace the required quantity of iron ore sinter at the desired quality. Beside a good quality of the sintered material, reduced production costs can be obtained, when the sintering process operation is stabilized. From a control point of view a sintering plant involves

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Iron Ore Sinter – IspatGuru

2014-7-15  Iron Ore Sinter. Iron ore sinter or simply called sinter is usually the major component of a blast furnace iron bearing burden material. Sinter normally consists of various mineral phases produced by sintering of iron ore fines with fluxes,

Get Price

24 PERMEABILITY TEST FOR DEVELOPMENT OF A BED

2019-8-20  IRON ORE SINTERING By David J. Englund May 2012 Technical Report NRRI/TR-2012/24 ... for characterization under anticipated sintering conditions. Two granulation methods were employed, determined by sample size. ... helpful in determining optimum moisture content that will produce good quality

Get Price

Improvement in Quality Parameters of Super-Fluxed

2012-1-11  Blended iron ore fines ( Fe = 67.81%, SiO 2 =2.27%, Al 2 O 3 = 1.04%) and other sinter mix ingredients from a typical sinter plant was used in the preset study. Hematite was the major iron bearing mineral phase in the ore samples. The minerals, goethite, hydrated iron

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SeqiOlivine Improves the Sintering and Pelletizing ...

2017-2-6  the blast furnace process, to the sintering of iron ore and iron ore pelletizing are the main areas. In this investigation the usefulness of the olivine mined at Greenland for sinter – and pellet production was studied. The chemical analysis of the olivine from Greenland shows an olivine mineral with high fosterite content.

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Mineral phases in iron ore sinters produced with oak

2017-12-28  Iron ore sinters used as metalliferous feed for blast furnace pig iron production, consist of a set of mineral phases, which determine their properties. Sinters are formed by partial melting of fine-grained components of raw sinter mixture – sintering iron ore, ore

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DESIGN MODIFICATION TO ACHIEVE PROCESS

2021-2-3  Iron ore fines used for sintering should be of the size of 0-10 mm. More of ñ1 mm fraction will reduce bed permeability and will reduce the vertical speed of sintering reducing machine productivity. More of +.0 mm fraction will not participate in the process of sintering leading to poor quality

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Types of Iron Ore: Hematite vs. Magnetite INN

2018-6-28  Iron ore is most often found in the forms of hematite and magnetite. Learn what makes those types of iron ore different and make an informed investment.

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How to Control Pollution in Iron and Steel Industry?

2021-9-2  3. Sintering/Pelletising of Iron and Steel: Suitability of fine ore in Blast Furnace; Pelletising with binder and rolled in drums/pans, Indurated at high temperature and cooled; for sintering blending of fines with coarser granular ores, flux mixed with coke breeze and heated; sizing. Important Consideration: Fines generated –

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Optimization model coupling both chemical compositions

We developed a mathematical optimization model coupling chemical compositions and high-temperature characteristics of sintering materials, targeting the best quality and lowest cost. The simplex algorithm was adopted to solve this model. Four kinds of imported iron ores, two kinds of Chinese iron ore concentrates, and two kinds of fluxes were selected to verify both the model and the algorithm.

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Metal Profile: Iron Properties and Characteristics

2020-1-12  History . Iron was likely originally discovered and extracted as a result of wood burning on top of iron-containing ores.   The carbon within the wood would have reacted with the oxygen in the ore, leaving behind a soft, malleable iron metal. Iron smelting and the use of iron

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