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Application of deep learning in iron ore sintering process: a …

The sintering process is an intricate system with a protracted process flow. The steps in the manufacturing line are primarily composed of the ingredients and mixing process, the sintering operation process, and the treatment of the sintered ore [39, 40].2.2 Important parameters and characteristics of sintering process. As shown in Fig. 2, all …

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Forecasting of iron ore sintering quality index: A latent …

The soft sensing models of sinter quality mainly include mechanism-based models, knowledge-based models, and data-driven models (Sun and Ge, 2021).The mechanism-based models are usually formulated as some differential equations to describe the physical and chemical changes (Cheng et al., 2016).However, part of the sintering …

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(PDF) PhD Thesis: Bringing predictability into a geometallurgical

Some examples of applying geometallurgy for the iron-apatite ore are shown in this paper. The result, the guidelines on planning, executing and evaluating a geometallurgical program, are given in ...

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Minerals | Special Issue : Mineralogy of Iron Ore Sinters

Iron ore sintering is an important stage in the production of steel from iron ore. Sinter can constitute more than 60% of ferrous burden in modern blast furnaces in Japan and most blast furnaces in Europe.

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Using a particle-based approach (sinter microtypes) for …

Iron ore sinter; sinter microtype; microhardness; fracture toughness; geometallurgy Introduction Determining macro-scale Fe ore sinter metallurgical propertiesbasedonthemicro-scalepropertiesofitscon-stituent phases has been attempted for several decades (e.g.Shigakietal.1986;Looetal.1988;LooandBristow 1994; Yang and Loo …

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(PDF) Geometallurgy of iron ores | Erick …

World iron ore production doubled from 2003 to 2010 to reach 2.6 Bt to mainly satisfy the colossal demand from Chinese steel mills for iron ores. The decrease in ore quality, the development of iron ore deposits with …

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OneTunnel | Iron Ore Geometallurgy – Examining the Influence of Ore

The properties of iron ore sinter – commonly defined by measures of tumble strength, reduction degradation and reducibility – have a major impact on blast furnace performance. These properties are largely influenced by raw material properties, in particular the bulk ore composition. Despite this importance, there is a lack of …

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Improving the sinter productivity with increased specular iron ore …

Specular iron ores are medium grade iron ores suitable to use in agglomeration process. However, due to their hard texture, undesirable particle size and shape, poor assimilation performance and low reactivity at high temperature, its uses in agglomeration is very limited and restricted to almost 3-10% at most of the plant. In the …

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Using a particle-based approach (sinter microtypes) for the

Determining macro-scale Fe ore sinter metallurgical properties based on the micro-scale properties of its constituent phases has been attempted for several decades (e.g. Shigaki et al. 1986; Loo et...

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Quantifying the composite microhardness and fracture toughness of iron

The microhardness of phases produced during agglomeration of iron ore fines to form sinter and pellets (e.g. Silico-Ferrite of Calcium and Aluminium – SFCA) helps provide a better understanding of the metallurgical properties of iron ore sinter (e.g. Shigaki et al. 1986; Loo et al. 1988; Loo and Bristow 1994; Yang and Loo 1997; Ying et al. 2006; …

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Using a particle-based approach (sinter microtypes) for …

microtypes) for the geometallurgical characterisation of iron ore sinter, Mineral Processing and Extractive Metallurgy, DOI: 10.1080/25726641.2022.2088960 To link to this article: https://doi ...

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Quantitative XRD for Ore, Sinter, and Slag

The use of high-speed detectors made X-ray diffraction (XRD) an important tool for quality and process control in the mining and steel industries. Besides knowledge about the composition of a sample, it provides useful information in terms of quantification of the crystalline phases and the amorphous content. Cluster analysis of XRD data can …

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Influence of Iron Ore Sinter Base Mix Fines (− 0.150 mm) …

The product ion of high strength iron ore sinter for blast furnace iron making unit was developed by optimizing the granulometry of less than − 0.150 mm …

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Important iron ore characteristics and their impacts on sinter …

In this review, the sintering process is first described and analyzed to identify the key factors affecting the structure and quality of iron ore sinter. Under fixed …

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Quantitative XRD analysis and evaluation of iron ore, sinter, …

Abstract. Powder X-ray diffraction (XRD) is increasingly being used for the characterization of iron ore, sinter, and pellets thanks to the continuing developments …

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OneMine | Iron Ore Geometallurgy – Examining the Influence of Ore

The properties of iron ore sinter – commonly defined by measures of tumble strength, reduction degradation and reducibility – have a major impact on blast furnace performance. These properties are largely influenced by raw material properties, in particular the bulk ore composition. Despite this importance, there is a lack of …

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Iron Ore 2019 Proceedings

Characterisation of iron ore sinter phases by optical microscopy and EPMA 88 S Hapugoda, L Lu, E Donskoi, H Han, J Manual and Y Yu ... Characterisation and Geometallurgy Use of strength, hardness and abrasion parameters to increase orebody knowledge and material characterisation 250 J Buswell, D Bowman and J Batchelor ...

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Iron Ore 2015

Iron Ore 2015 was the seventh in a very successful series of international iron ore conferences jointly organised by the AusIMM and CSIRO. The conferences have now become an important biennial bringing together geologists, geoscientists, mineralogists, metallurgists, managers, engineers, operators, equipment manufacturers and service …

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Investigation of the Contents of the Stack Emissions of Iron Ore Sinter

The stack emissions of the iron ore sinter plant contain flue gas with CO, CO 2, H 2 O vapors; fine particles of iron ore, sinter components; and particulates of SO x, NO x, KCl, and PCDD/Fs.The appearance of the stack emissions varies with the plume contract, its contents, and the meteorological conditions, especially sunlight intensity, …

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Optimal proportioning of iron ore in sintering process based …

Proportioning is an important part of sintering, as it affects the cost of sintering and the quality of sintered ore. To address the problems posed by the complex raw material information and numerous constraints in the sintering process, a multi-objective optimisation model for sintering proportioning was established, which takes the proportioning cost …

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Influencing factor of sinter body strength and its effects on iron ore …

Sinter body strength, which reflects the strength of sinter, plays an important role in the improvement of sinter. In this study, the sinter body strengths of iron ores were measured using a microsintering method. The relationship between the chemical composition and sinter body strength was discussed. Moreover, sinter-pot tests were …

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Important iron ore characteristics and their impacts on sinter …

In this review, the sintering process is first described and analyzed to identify the key factors affecting the structure and quality of iron ore sinter. Under fixed sintering conditions, the granulation efficiency, nucleus stability and primary sinter melt volume and properties of the iron ore are considered to have significant influence on the sinter …

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Quantifying the composite microhardness and fracture …

Microindentation testing was undertaken on sinter phases in iron ore sinter to determine the range and mean of phase/morphology microhardness. The mean …

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Using a particle-based approach (sinter microtypes) for the

Determining macro-scale Fe ore sinter metallurgical properties based on the micro-scale properties of its constituent phases has been attempted for several decades (e.g. Shigaki et al. 1986; Loo et al. 1988; Loo and Bristow 1994; Yang and Loo 1997; Ying et al. 2006; Sinha and Ramna 2009; Silva et al. 2016; Sinha et al. 2017).These studies …

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Phase relations in the Fe-rich part of the system Fe

Abstract. Equilibrium phase relations in the Fe-rich portion of the system Fe 2 O 3 (-Fe 3 O 4)-CaO-SiO 2 (FCS) have been determined at 1240-1300°C and under an oxygen partial pressure of 5 × 10-3 atm, typical for iron ore sintering. Experiments were performed with the use of a rapid-quench technique and the chemical compositions of …

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XRD analysis and evaluation of iron ores and sinters

A typical Rietveld analysis of an iron ore sinter is shown in Figure 3.4. In this case, the calculated pattern of the hematite phase is also shown together with the difference curve (between experimental and calculated intensities). ... especially in geometallurgy and mineral processing. However, despite its successes, the method still suffers ...

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Mineralogical Characteristics of Hematitic Iron …

After being subjected to geometallurgical evaluation, the iron ores from Singhbhum Bonai-Keonjhar region, eastern India, have been designated as dense martite microplaty hematite high-strength ore (dM …

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Using a particle-based approach (sinter microtypes) for the

Peterson MJ. 2021. Quantifying the composite microhardness and fracture toughness of iron ore sinter – a phase-based approach. Trans Inst Mining Metall C …