Effect of Blaine Number on the Physical and Mechanical …

The Blaine number (cm2/g) of the fines is an essential parameter in defining the quality of the pellets. The Blaine number of the fines influences the overall reactivity, porosity, and agglomeration capability of pellets. Pal J et al. have studied the quality of the pellets for different sizes of iron ore fines in terms of Blaine number [14].

Effect of high Blaine iron ore fines in hematite ore pelletization …

The Iron Ore and 2 fine pellets survey showed good, desirable properties, at the Blaine no., of 1678 cm2/g and 2311 cm2/g (corresponding to 200 mesh size), and the best results are attained ...

blaine surface area of iron ore

• Blaine meter data can be used to predict the filtration properties of iron-ore suspensions;For iron ore pellet feed preparation from fine iron ore concentrates, variable factors of blaine no of iron ore - Investigation on the particle size and shape of iron ore ...

Iron Ore Pelletization: Part I. Fundamentals | Request PDF

The Iron Ore and 2 fine pellets survey showed good, desirable properties, at the Blaine no., of 1678 cm2/g and 2311 cm2/g (corresponding to 200 mesh size), and the best results are attained ...

Modelling and estimating the Blaine number of iron …

Highlights. •. Proposing a novel strategy for modelling the Blaine number of iron ore concentrate. •. Modelling the Blaine number using Response surface method …

Experimental Investigation of Different Fineness and …

At temperate 1300 °C, S.P.G.D. is higher for 200 mesh for both Iron Ore and No.2 pellets. Blaine increases from 1312–1678 cm 2 /g for Iron Ore and …

Effect of Particle Size Distribution and Type of Mineral …

1. Introduction. The concentrate of iron ore processing plants is often in the form of fine iron minerals, which is of no use in such a physical shape. These soft materials decrease the permeability of gas within the feed of the blast furnace and reduce the functionality of the direct reduction plant.

Crushing characteristics and performance evaluation of iron ore …

1. Introduction. Due to the decreasing reserves of high-grade iron ore and secondary resources used for steelmaking, it has become an important research and development area to improve the grade of iron ore through crushing (Gul et al., 2014).The quality of iron ore crushing directly affects the performance of pellets and sinter, so as to …

Preparation of Iron Ore Micro-pellets and Their Effect on …

2.1 Materials and Methods. Iron ore slimes from Bailadila-5 (India) mines were used for the present study. The specific surface area (also known as Blain number) of as received slime was 821 cm 2 /g. Initially, the slimes were subjected to beneficiation by gravity separation and magnetic separation, followed by wet grinding and filtration to …

Effect of Blaine Fineness on the Quality of Hematite Iron Ore …

The Iron Ore and 2 fine pellets survey showed good, desirable properties, at the Blaine no., of 1678 cm2/g and 2311 cm2/g (corresponding to 200 mesh size), and the best results are attained ...

Effect of Coatings and Coating Methods on Cluster Index in Iron …

The materials used in this study can be divided into two classes: coating materials and iron ore pellets. The iron ore pellets were produced on a pilot scale from a hematite pellet feed. Table I shows the chemical characterization of the materials that comprised the study, while Table II demonstrates a quantification of the materials ...

(PDF) Improving reducibility of iron ore pellets by …

for all pellets with varying Blaine fineness of iron ore. 3.3.4 Preparation of pellet in optimum conditions From the above it is clear that to achieve better

Pressing iron ore concentrate in a pilot-scale HPGR. Part 1

The paper analyzes tests with an iron ore concentrate sample carried out over a range of pressures, roll velocities, feed size distributions and moisture contents in a pilot-scale facility. It is observed that specific throughput drops as the operating pressure is increased, a parabolic profile appears along the rolls regarding both Blaine ...

Effect of Blaine Number on the Physical and …

The Blaine number and size distribution of three different samples used in the present study are labeled in Table 1. It shows that a high percentage of the iron ore fines belong to the …

(PDF) Factors Affecting Ballability of Mixture Iron Ore …

Nanocomposites are compounds where one of the phases display dimensions in the nanometer range (1 nm=10 -9 m). These types of materials have developed as appropriate alternatives to by-pass ...

Effect of Blaine Number on the Physicalhanical …

factors like the size of iron ore fines, binder, indurating Springer J. Inst. Eng. India Ser. D ... Blaine No (cm /g) (c) Cement Blaine No (cm /g) (d) 12 11 10 1800 1200 1400 1600

Aspects of HPGR in Iron Ore Pellet Feed …

Van der Meer and Leite (2018) showed that when pressing iron ore pellet feed with moisture contents above 8%, the Blaine specific surface area of the product was lower than the value reached for ...

The China's iron ore production, iron ore import and the …

For the research on determining factors for iron ore price, Chen, Lei, and Jiang (2016) report that in ‡uencing factors of China's iron import price include iron ore import volume and the value ...

An assessment of Blaine's air permeability method to …

This paper investigates the applicability of simple particle size testing equipment – a Blaine's air permeability apparatus – for the estimation of the filtration …

Pelletisation of High LOI and High Blaine Number Iron Ore …

The Indian hematite iron ore concentrate maintains high LOI because of the presence of kaolinite, goethite and gibbsite even after beneficiation process. As this ore is in fragile nature, the Blaine number of pellet feed material is high. To maximize the iron values from the slimes and tailings, flotation process may be adopted in future.

Confined Bed Breakage of Fine Iron Ore Concentrates

High-pressure grinding rolls (HPGR) have gained great popularity in the mining industry in the last 25 years or so. One of the first successful applications of the technology has been in iron ore pressing prior to pelletization. Piston-and-die tests can provide good insights on the material response in an HPGR. This work analyzed …

(PDF) SOFT SENSOR MODELING TO PREDICT THE BLAINE

performed with the remaining process variables, specifically the proportions of each iron ore concentrate composing the feed of the plant (Section 2.1), but results were omitted for brevity.

(PDF) The effects of iron ore concentrate grinding

The iron ore concentrate was re ground and Blaine value increased from 1031 to about 1400, 16 00, 1800 cm 2 /gr by using of ball mill and HPGR. The consi dered and actual Blaine values of reground ...

(PDF) Physicochemical Problems of Mineral Processing

A shape factor of particles was determined using the circularity, roughness, and aspect ratio. ... The iron ore concentrates more than 74 µm had lower activation energy at a higher heating rate ...

Modelling and estimating the Blaine number of iron ore …

The Blaine number of iron ore concentrate is a key parameter in the iron and steel chain, especially pelletizing. In this study, a novel and comprehensive strategy was introduced for modelling and estimating the Blaine number of iron ore concentrate by using the particles physical properties (particles size distribution and shape)-based …

The variable factors and their levels in the experimental …

Download scientific diagram | The variable factors and their levels in the experimental design. from publication: DESULFURIZATION OF IRON ORE CONCENTRATE USING A COMBINATION OF MAGNETIC SEPARATION ...

Influence of Specific Surface Area on the Strength of …

Blaine SSA of the tested iron concentrates that were treated with HPGR ranged from 849 cm2/g to 1601 cm2/g. The fineness of the concentrates was evaluated by particle size ... Concentrate A is the raw iron ore concentrate with the Blaine SSA of 849 cm2/g. Concentrates B, C, and D were obtained by treating Concentrate A for adequate …

Modelling and estimating the Blaine number of iron …

Based on the values of F-value and p-value, the B 9 is the most effective parameter influencing the Blaine number of iron ore concentrate. According to Table 2, the B 9 is the representative of the Blaine number of particles belonging to the particle size …

Effect of Blaine fineness (iron ore and No.2) on (a) …

Download scientific diagram | Effect of Blaine fineness (iron ore and No.2) on (a) G.C.S. and D.C.S. (b) drop no. and moisture. from publication: Experimental Investigation of Different ...

Analysis of the Influence of Blaine Numbers and Firing

The Iron Ore and 2 fine pellets survey showed good, desirable properties, at the Blaine no., of 1678 cm2/g and 2311 cm2/g (corresponding to 200 mesh size), and the best results are attained ...