experiences in the sintering of iron ores

  • Home
  • /
  • PRODUCT
  • /experiences in the sintering of iron ores

Some experiences in the sintering of iron ores

2012-6-15 · Some experiences in the sintering of iron ores S. JAYARAM, D. D. BHUPTANI, P. MEHTA, and F. W. KOKO AS PART of a 2 m. ton expansion project, the Tata Iron and Steel Company set up an ore-crushing and sintering plant to provide a sized ore plus sinter feed to the blast-furnaces. The sinter plant started operation in late 1959,

Some experiences in the sintering of iron ores - CORE

Some experiences in the sintering of iron ores . By S Jayaram, D D Bhuptani, P Mehta and F W Koko. Get PDF (1 MB) Abstract. As part of a 2m. ton expansion project, the Tata Iron and Steel Company set up an ore-crushing and sintering plant to provide a sized ore plus sinter feed to the blast-furnaces. ...

Some experiences in the sintering of iron ores - CORE

Related papers. Page number / 3 3

Some Experiences and Recent Developments in Sintering ...

In common with general experience in the iron-making industry overseas, Australia has in recent years suffered a deterioration in the physical quality of her iron ores in their suitability as a direct blast furnace feed. The increasing amounts of fines and the more friable nature of lump ore, especially in the ore from the Cockatoo Island deposits in Yampi Sound, Western Australia, have ...

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

2012-8-16 · Fig. 11.3: Factors involved in the granulation and sintering of iron ores The following factors play major roles in controlling the granulation characteristics of sinter mix. PIO- 07 137 . 1 rot,

Ore Sintering - an overview | ScienceDirect Topics

2010-4-2 · Like other sintering processes, iron ore sintering converts iron ore fines of often − 8 mm sizing into larger agglomerates, namely, sinter, between 5 and 50 mm particle size, which possess the physical and metallurgical characteristics and gas permeability required for efficient blast furnace operation. As shown in Figure 14.1, iron ore sintering is carried out in three stages: raw material ...

Sintering: A Step Between Mining Iron Ore and Steelmaking

2019-6-11 · Sintering: A Step Between Mining Iron Ore and Steelmaking. The USGS defines iron ore as a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). It almost always consists of iron oxides, the primary forms of which are magnetite (Fe3O4) and hematite (Fe2O3). It’s a major ingredient in steel.

Sintering Characteristics of Iron Ores with Addition of ...

A great deal of iron ores which have special elements have been applied in the sintering process with the decreasing of high-grade quality iron ores resources. In this paper, the laterite nickel ores were added into three different kinds of iron ores respectively to make liquid phase formation research by software of Factsage and high ...

The Sintering Process of Iron Ore Fines – IspatGuru

2013-3-9 · The sintering process is used to agglomerate a mix of iron ores (blend), return fines, fluxes and coke, with a particle size of less than 10 mm, so that the resulting sinter, with a screened size of 10 mm to 30 mm, can withstand pressure and temperature conditions in the blast furnace.

Sintering Iron Ores and Concentrates At Extaca |

Sintering Iron Ores and Concentrates At Extaca Download PDF. Download PDF. Sintering Survey; Published: 01 July 1956; Sintering Iron Ores and Concentrates At Extaca ... Hessle, Birger: New Metallurgical Experiences in Sintering, Jernkontorets Annaler, 1945, vol. 129, pp. 383–456. Google Scholar 4. Stanley ...

Advances in Sintering of Iron Ores and Concentrates ...

2020-10-28 · Chapter “Sintering of iron ores and concentrates” is focusing on the study of theoretical, thermodynamic and experimental results in the production of sinters from iron ores and concentrates. The authors of the chapter have long been interested with the production of sinter from iron ores and have recently also focused on the use of biomass as a substitute for a part of coke breeze in the ...

The Sintering Process of Iron Ore Fines – IspatGuru

2013-3-9 · The sintering process is used to agglomerate a mix of iron ores (blend), return fines, fluxes and coke, with a particle size of less than 10 mm, so that the resulting sinter, with a screened size of 10 mm to 30 mm, can withstand pressure and

Sintering Characteristics of Iron Ores with Addition of ...

A great deal of iron ores which have special elements have been applied in the sintering process with the decreasing of high-grade quality iron ores resources. In this paper, the laterite nickel ores were added into three different kinds of iron ores respectively to make liquid phase formation research by software of Factsage and high temperature characteristic sintering experiments.

(PDF) Thermal Analyses of the Sintering Reactions of Iron

Sintering phenomena of iron ores have been examined by applying several methods of thermal analyses, i.e., thermogravimetry (TG), differential thermal analysis (DTA) and differential scanning ...

Sintering Properties and Optimal Blending Schemes of

Sintering properties including chemical composition, granulation and high-temperature behaviors of ores from China, Brazil and Australia. Furthermore, several indices were defined to evaluate sintering properties of iron ores. The results show that: for chemical composition, Brazilian ores present high TFe, low SiO2, and low Al2O3 content.

Production and Application of Agglomerated Iron Ores at

The construction and production experiences of sintering and pelletizing processes at WISCO are reviewed in this paper. A comparison of pelletizing process with sintering process shows that large ...

Behavior of Liquid Phase Formation during Iron Ores

The calculations reported in this study can be used to estimate the sintering behavior of the iron ores under a certain industrial condition to reduce the extra experiments. The experiments also shows that the calculations by Factsage can give some good explanations on the phenomenon of the melting behavior of different samples.

Multi-time-scale TFe prediction for iron ore sintering ...

2019-8-1 · Empirical experiences show that a 1% decrease of iron grade (TFe) in produced sinter turns into a 2% increase of BF fuel ratio and a 3% decrease of BF output . So, the TFe is an important quality index for a sintering process. It takes about 2 h from the loading of iron ores to the discharging of sinter in a sintering process.

Mineralogy of Iron Ores of Different Alumina Levels from ...

2015-5-27 · to the ores. Keywords Singhbum, Iron Ore, Sintering, Alumina 1. Introduction Iron is found in many mineralogical forms, but only a few are used as commercial sources, the most important of which are oxides (Hematite Fe 2O 3, Magnetite Fe 3O 4, and Limonite Fe 2O 3∙2H 2O &

Influence of gangue existing states in iron ores on the ...

2013-11-21 · Gangue existing states largely affect the high-temperature characteristics of iron ores. Using a micro-sintering method and scanning electron microscopy, the effects of gangue content, gangue type, and gangue size on the assimilation characteristics and fluidity of liquid phase of five different iron ores were analyzed in this study. Next, the mechanism based on the reaction between gangues ...

Advances in Sintering of Iron Ores and Concentrates ...

2020-10-28 · Chapter “Sintering of iron ores and concentrates” is focusing on the study of theoretical, thermodynamic and experimental results in the production of sinters from iron ores and concentrates. The authors of the chapter have long been interested with the production of sinter from iron ores and have recently also focused on the use of biomass as a substitute for a part of coke breeze in the ...

Effects of Temperature and Atmosphere on Sintering

2012-10-1 · Both effects of temperature and atmosphere in sintering process of iron ores have been regarded in the present work. With development of high-basicity sinter pro› duction, formation of calcium ferrite has been atten› ded more and more. The CaO-Fe Z03 diagram-U re› vealed equilibrium conditions for calcium ferrite ex› ...

Sintering with High-alumina Iron Ores-A Review -

【Abstract】 Worldwide demand for iron ore has increased drastically,driven by the massive growth of steel production in China.Hence, many steel mills in the Asia-Pacific region,where sinter usually constitutes a significant proportion of the blast furnace feed,will have to use low-cost iron ores containing high alumina content in their sinter blends for either economic reasons,or due ...

Production and Application of Agglomerated Iron Ores at

The construction and production experiences of sintering and pelletizing processes at WISCO are reviewed in this paper. A comparison of pelletizing process with sintering process shows that large ...

Study on Sintering of Iron Ores. I : Reducibility of Iron ...

Study on Sintering of Iron Ores. I : Reducibility of Iron Oxide Materials . By TAKAHASHI Yoshikazu. Abstract. The briquett-samples containing Fe_2O_3. SiO_2 and CaO were heated at 1, 200℃ and 1, 300℃ in the atmosphere of air or of mixed gas of CO and CO_2 so that the iron oxides might occur as hematite or magnetite or wustite. These samples ...

Effects of Temperature and Atmosphere on Sintering

The fluidity of sintering liquid phase reflects the effective bonding range of the binder phase in the sintering process of iron ores. In this study, the liquid composition and quantity during ...

Effect of Bonding Area Formation During Sintering on the ...

2021-6-23 · This study aims to understand the effect of sintering at 1623 K on the reaction characteristics of iron ores. By investigating the reaction characteristics of nine different iron ores with disparate properties, new reactivity indices including the iron ore reactivity index (IRI) and iron ore blending reactivity index (IBRI) independent of the sample size are derived based on the melt ...

Behavior of Liquid Phase Formation during Iron Ores

The calculations reported in this study can be used to estimate the sintering behavior of the iron ores under a certain industrial condition to reduce the extra experiments. The experiments also shows that the calculations by Factsage can give some good explanations on the phenomenon of the melting behavior of different samples.

Ore Assimilation and Secondary Phases by Sintering of

During the iron ore sintering process, two types of particles are present in the sinter bed: (1) fines, which are actively taking part in melting and the formation of secondary phases, and (2) coarse ores, which are partially interacting with the surrounding melt. The

Factors influencing Sinter and Sintering Process – IspatGuru

2013-7-8 · Iron ores with high loss on ignition affects the sintering process in a negative way by reducing the productivity, increasing the specific fuel consumption and reducing the sinter strength. Sinter mix preparation – The sintering performance depends on the efficiency of the mixing of the components of the sinter mix and granulation of the ...