The contributions of three operating parameters (moisture content, hydrated lime addition, magnetite concentrate substitution) to the crushing strength and Young's modulus of granules in each stage of iron ore sintering were studied by applying the Taguchi method.

To nu merically study the angle of repose of iron ore granules, a model was developed using the

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A numerical simulation model was developed to analyze the behavior of iron ore granules in a continuous drum mixer by Discrete Element Method (DEM).

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Size segregation of the iron ore granules packed on a sinter strand has a significant influence on the green bed permeability. For a defined granule size distribution, it is possible to increase ...

This work conducted an experimental study to investigate the granulation behavior of iron ore fine in a horizontal high-shear granulator, such as granules size distribution, granules growth rate, and permeability of the granules bed.

Request PDF | On Dec 8, 2017, Alain Mutombo published Modelling of the characteristics of iron ore granules formed during the granulation process of mixtures that contain concentrate and ...

This investigation mainly focused on revealing the importance and function mechanism of intensive mixer on sintering performance with fine-grained iron ore materials (the proportion of −0. ...

Blending the iron ore with the bentonite prior to entering the standard balling drum ensures a more homogeneous mixture, thus resulting in a …

In recent years, the gangue component in iron ore deposits has increased owing to the increasing scar-city of high-grade iron ore. Such high levels of gangue causes a loss in strength of the granules used in the sintering process and a …

In addition, the effects of particle size distribution of iron ores on granulation performance in high speed mixer are widely researched. This paper describes setting up …

Semantic Scholar extracted view of "The angle of repose and size segregation of iron ore granules: DEM analysis and experimental investigation" by Chengzhi Li et al.

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 atmosphere, based on the exploration of the physiochemical characteristics of the coke breeze granules in industry.

Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first described to identify the key steps of the process, that is, granulation and thermal densification. Discussion is then focused on the effect of the chemical, physical, and …

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Granulation is an important process in iron ore sintering. During this, fine particles adhere to the coarse ones or the fine ones accumulate together to form granules of suitable size. Granulation effectiveness directly affects bed permeability and air flow through the sintering bed (Lister and Waters 1988 ).

Granulation is a key operation unit in preparation of iron ore raw materials. This work presented an experimental study on the iron ore granulation and sintering …

By the assimilation of the initial liquid phase, fluxes which served as nucleus particles in granules, such as limestone and dolomite, could dissolve in the liquid phase and extend its amount as increasing temperature, whereas iron ore nuclear particles remained as unfused ores for their insufficient mineralization.

The simulation results show that the angle of repose of iron ore granules was greatly influenced by granule size, sliding and rolling friction coefficients.

Fig. 1 Samples of the iron ore granules (left) and laboratory-scale tumbling drum for granulation (right). - "The angle of repose and size segregation of iron ore granules: DEM analysis and experimental investigation"

Crushing Strength is the maximum compressive load at which an iron ore pellet is broken completely. Compressive load is applied on the pellet between two parallel platens at a uniform speed of 15 ± 5mm/min over …

The briquette, which is produced through the low-temperature agglomeration of high-quality iron ore, could be used to replace sinters, pellets and granules in steelmaking, cutting greenhouse gas ...

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Granulation of the excess hot metal is a process that deals with these issues and produces a by-product - Granulated Pig Iron (GPI) - that can readily be used internally, for example as BOF coolant, or sold to third parties as feedstock for electric arc furnaces, cupolas and induction furnaces. Granulated Pig Iron (GPI) can be used, for example ...

Abstract. In recent years, the gangue component in iron ore deposits has increased owing to the increasing scarcity of high-grade iron ore. Such high levels of gangue causes a loss in strength of the granules used in the sintering process and a decrease in operating efficiency. In this study, the granule strength is compared by applying two ...

A better understanding of the ore blend, granule behaviour and green bed properties is critical to making this change and maintaining productivity in the sinter plant.

Multotec-designed spiral concentrators are used across the world in coal, gold, iron ore, mineral sands, platinum and chrome processing plants as part of the beneficiation process and separates ore and material between 38 and 2 000 microns. As a turnkey supplier of gravity concentration equipment across the world, Multotec delivers end-to-end ...

The other material parameters of iron ore granules were deliberately referred from the literature on the study of iron ore granules or iron ore pellets [25, [62] [63] [64] [65] [66].