2013
DOI: 10.2355/isijinternational.53.1529
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Effect of the Separation of Large Limonite Ore Particles in the Granulation Process of Sinter Raw Materials

Abstract: Sintering with large amount of limonite generally requires higher fuel consumption, either due to the dehydration of combined water or the evaporation of more added water. Although limonite can accelerate melt formation, the sintering strength indexes are in lower level on the contrary, proved to have much to do with the excessive assimilation.In order to improve the sintering behavior of sintering mix when large amount of limonite were used, a simplified method named separating large particles of limonite fro… Show more

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Cited by 14 publications
(7 citation statements)
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“…13,14) It not only greatly reduces the efficiency of mixing and granulating process, but also reduces the service life by forming a thick inner ring made of the lime and water in the drum. 7,[15][16][17] It is well known that mixing and granulation can achieve easily under the heavy loading in a horizontal high shear mixer which is widely used in the pharmaceutical, food, agriculture and chemical industries. [18][19][20][21][22] The most attractive of high shear mixer is the intensive mixing effect of iron ore particles in both axial and radial directions due to the force of the agitation blades on particles, and the self-cleaning features of the agitation blades.…”
Section: Introductionmentioning
confidence: 99%
“…13,14) It not only greatly reduces the efficiency of mixing and granulating process, but also reduces the service life by forming a thick inner ring made of the lime and water in the drum. 7,[15][16][17] It is well known that mixing and granulation can achieve easily under the heavy loading in a horizontal high shear mixer which is widely used in the pharmaceutical, food, agriculture and chemical industries. [18][19][20][21][22] The most attractive of high shear mixer is the intensive mixing effect of iron ore particles in both axial and radial directions due to the force of the agitation blades on particles, and the self-cleaning features of the agitation blades.…”
Section: Introductionmentioning
confidence: 99%
“…Granulation [1][2][3][4] process is a typical method getting iron ore particles together to form pellets/granules using water as the binder in steel making industry. A good granulation result can make a better permeability of the bed of granules in the sintering strand.…”
Section: Introductionmentioning
confidence: 99%
“…Their results have indicated that limonite has a high crystal water (CW) content and that its use results in more pores after sintering, leading to a high sintering velocity and a long holding time at high temperatures, which in turn results in insufficient minerals crystallization [4][5][6]. In addition, the usage of limonite easily results in a poor temperature control melt; thus, the pores in the sinter do not have sufficient time to densify, leading to a thin bonding layer of the melt, all of which adversely affects the sinter strength and increases production costs [7][8][9][10][11].…”
Section: Introductionmentioning
confidence: 99%