calculation in sintering of iron ore process
Ore-blending optimization model for sintering process . 2012. 3. 1. After the relationships between iron ore characteristics and sintering performance are established, the “two-step” method and the simplex method are introduced to build the model by distinguishing the calculation of optimized blending proportion of iron ores from that of other sintering materials in order to improve
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CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING
FUNDAMENTALS OF IRON ORE SINTERING R. P. Bhagat INTRODUCTION The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants. With the development of sintering technology, a sintering plant has become a tremendous success for providing a phenomenal increase in productivity and saving in coke rate to the blast furnace. The
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(PDF) Iron ore sintering. Part 1. Theory and practice of
1. INTRODUCTION. The sintering process is used to agglomerate a mix. of iron ores (natural or synthetic), return fi nes, fl uxes. and coke, with a particle size of <8 mm, so that the. resulting
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calculation in sintering of iron ore process
Hybrid multistep modeling for calculation,SpringerLink. Iron ore sintering is the second most energy-consuming process in steelmaking The main source of energy for it is the combustion of carbon To find ways of reducing the energy consumption, it is. Phase Formation in Iron Ore Sintering publicationscsiroau. Keywords: Iron ore sintering, SFCA phases, Phase formation, In situ
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Numerical Modeling of the Iron Ore Sintering Process
The iron ore sintering process is extremely complicated, involving a large number of inter-related vari-ables. Since the 1950s many studies have been carried out to understand the factors that determine sinter plant perfor-mance usually expressed in terms of productivity, coke requirements and product quality and the effect of raw material properties (viz., iron ore, flux and adjunct
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Modeling Sintering Process of Iron Ore
Modeling Sintering Process of Iron Ore Jose Adilson de Castro Graduate Program on Metallurgical Engineering -Federal Fluminense University Brazil 1. Introduction In this chapter, a methodology for simulating th e sintering process of iron ore is presented. In order to study the process parameters and inner phenomena, a mathematical model based on transport equations of momentum en ergy and
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Iron Ore Sinter an overview ScienceDirect Topics
Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Compared with pellets, production of sinter is cheaper, and compared with lump ore, fluxed sinter is often more reducible with better softening characteristics. Iron ore sinter typically constitutes more than 60% of the blast furnace ferrous burden in modern blast furnaces in
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A finite difference model of the iron ore sinter process
A model of the iron ore sintering process has been developed with the objective of being represen-tative of the sinter pot test, the standard laboratory process in which the behaviour of specific sinter feed mixtures is evaluated. The model aims to predict sinter quality, including chemical quality and physical strength, as well as key sinter process performance parameters such as production
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The Sintering Process of Iron Ore Fines IspatGuru
09/03/2013 Sintering is a thermal process (carried out at 1300 deg C to 1400 deg C) by which a mixture of iron ore, return fines, recycled products of the steel plant industry (such as mill scale, blast furnace dusts, etc.), slag forming elements, fluxes and coke fines are agglomerated in a sinter plant with the purpose of manufacturing a sintered product of a suitable chemical composition, quality
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calculation in sintering of iron ore process
Ore-blending optimization model for sintering process . 2012. 3. 1. After the relationships between iron ore characteristics and sintering performance are established, the “two-step” method and the simplex method are introduced to build the model by distinguishing the calculation of optimized blending proportion of iron ores from that of other sintering materials in order to improve
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Modeling and Simulation of Iron Ore Sintering Process with
previous simulation of the iron ore sintering process as listed in Table 2. As can be observed, calculated sinter diameter was 10 mm with initial granule diameter of 3 mm,15) while the calculated sinter diameter were not given in other two lit-eratures. According to experimental data,16) average size of the sinter varies between 30–42 mm with the initial diameter of granules of 3.2 mm
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Iron Ore Sinter an overview ScienceDirect Topics
Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Compared with pellets, production of sinter is cheaper, and compared with lump ore, fluxed sinter is often more reducible with better softening characteristics. Iron ore sinter typically constitutes more than 60% of the blast furnace ferrous burden in modern blast furnaces in
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Mathematical model of thermal processes in an iron ore
ductivity, and energy efficiency [1,2]. An iron ore sintering process is applied to produce large particles (>~5 mm) of iron ore agglomerates with appropriate metallurgical proper-ties required in
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Three Dimensional Mathematical Model of the Iron Ore
Three Dimensional Mathematical Model of the Iron Ore Sintering Process Based on Multiphase Theory which includes sintering and blast furnace processes, and only the sintering process represents around 20% of this amount1,5. Therefore, sintering and blast furnace processes offer good opportunities to decrease the CO 2 emissions since mall decreasing of the coke breeze consumption and bonding
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Modeling Sintering Process of Iron Ore
Modeling Sintering Process of Iron Ore Jose Adilson de Castro Graduate Program on Metallurgical Engineering -Federal Fluminense University Brazil 1. Introduction In this chapter, a methodology for simulating th e sintering process of iron ore is presented. In order to study the process parameters and inner phenomena, a mathematical model based on transport equations of momentum en ergy and
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Thermodynamic Analysis of Iron Ore Sintering Process Based
The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the composition index of iron ore, namely Fe, FeO, basicity, S, nor
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Development of an iron ore sinter process model to predict
A model of the iron ore sintering process has been developed with the objective of being representative of the sinter pot test, the standard laboratory process in which the behaviour of specific sinter feed mixtures is evaluated. The model aims to predict sinter quality, including chemical quality and physical strength, as well as key sinter process performance parameters such as production
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Fundamental study on iron ore sintering new process of
Key words: iron ore sintering; biomass fuel; flue gas recirculation 1 Introduction Sinter is the main iron-bearing burden accounting for a ratio of more than 75% in blast furnace for ironmaking. However, sintering process produces a large amount of flue gas that contains diverse pollutants, such as COx, SOx, NOx and dioxins, etc [1−4]. It is reported that the combustion of fossil fuels is
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SINTERING AND PELLETISATION OF INDIAN IRON ORES
SINTERING PROCESS Sinter making is a method of fusing iron ore fines into larger particles suitable for charging into the blast furnace. Predominant source of iron in many blast furnace processes. This technology was developed for the treatment of the waste fines in the early 20th century. Since then sinter has become the widely accepted and preferred Blast Furnace burden material. Presently
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Mathematical model of thermal processes in an iron ore
ductivity, and energy efficiency [1,2]. An iron ore sintering process is applied to produce large particles (>~5 mm) of iron ore agglomerates with appropriate metallurgical proper-ties required in
get price
Three Dimensional Mathematical Model of the Iron Ore
Three Dimensional Mathematical Model of the Iron Ore Sintering Process Based on Multiphase Theory which includes sintering and blast furnace processes, and only the sintering process represents around 20% of this amount1,5. Therefore, sintering and blast furnace processes offer good opportunities to decrease the CO 2 emissions since mall decreasing of the coke breeze consumption and bonding
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sintering of iron ore reactions aciie.in
The process of the iron ore sintering is presented in Fig. 1. As shown in this figure, first of all, the required to produce 0.9 Mg (1 ton) of product sinter. 12.5.1.2 Iron Production Iron is produced in blast furnaces by the reduction of iron bearing materials with a hot gas. The large, refractory lined furnace is charged through its top with iron as ore, pellets, and/or sinter flux as
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Utilization of charcoal in the iron-ore sintering process
utilization in iron-ore sintering process. The course and a thermal e ect of individual reactions that take place during combustion of carbonaceous fuels (coke breeze or charcoal) in the agglomeration process were modeled using thermodynamic program HSC Chem-istry 5.11. In Figure 3, Gibbs equilibrium diagrams are modeled for agglomeration charge sintering systems in the presence of coke breeze
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Thermodynamic Analysis of Iron Ore Sintering Process Based
The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the composition index of iron ore, namely Fe, FeO, basicity, S, nor
get price
A finite difference model of the iron ore sinter process
A model of the iron ore sintering process has been developed with the objective of being represen-tative of the sinter pot test, the standard laboratory process in which the behaviour of specific sinter feed mixtures is evaluated. The model aims to predict sinter quality, including chemical quality and physical strength, as well as key sinter process performance parameters such as production
get price
Iron-process iron ore sintering process YouTube
30/09/2012 Modeling Sintering Process of Iron Ore |:gyratorycrusher/quarry/process-line/iron-ore-processing-plant.html2C(1) Iron:gyratorycrush...
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Studies into the formation of PBDEs and PBDD/Fs in the
To understand the possible formation mechanisms of brominated organic species in iron ore sintering, both full-scale and laboratory experiments using an experimental sintering process were carried out. A complete PBDE mass balance was undertaken for a full scale sinter plant showing that PBDEs were already present in the raw materials such as iron ores and coke breeze and that a significant
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CHEMICAL COMPOSITION ANALYSIS OF RAW MATERIALS USED
The iron ore sintering process is the largest source of pollutants generated by integrated steelworks in Poland. With regard to chemical composition, the most impor- tant factors are concentrations of iron, compounds of calcium, silicon, magnesium, aluminum and harmful compounds, mainly alkaline, sulphur, phosphor, zinc and lead [1]. The ore mixture used in Polish sinter plants is based on
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SINTERING AND PELLETISATION OF INDIAN IRON ORES
SINTERING PROCESS Sinter making is a method of fusing iron ore fines into larger particles suitable for charging into the blast furnace. Predominant source of iron in many blast furnace processes. This technology was developed for the treatment of the waste fines in the early 20th century. Since then sinter has become the widely accepted and preferred Blast Furnace burden material. Presently
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