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Numerical Modeling of the Iron Ore Sintering Process

2. Sinter Models The mathematical modeling of the iron ore sintering process has received much attention since the 1970s, when Muchi and Higuchi7) proposed the first one dimensional (1D) model. Fig. 1 is an attempt to explain how the sintering process can be treated as a one or a two dimensional (2D) process.

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Thermodynamic Modelling of Iron Ore Sintering Reactions

During the iron ore sintering process, the loose raw materials, mixtures of fine ore, limestone flux and coke breeze, are converted into a porous but physically strong cake, which is generally composed of four main phases: iron oxides, ferrites, most of which are a complex silicoferrite of calcium and

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SINTERING AND PELLETISATION OF INDIAN IRON ORES

High grade iron ore less than 10% of the total reserves. ROM iron ore with Fe less than 58 – 60% discarded as waste. After beneficiation iron ore availability can improve by about 50%. Steel community and the country demand technological solutions for utilising low grade ores. The technology task that would be imperative: 1.

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(PDF) Iron Ore Sintering: Process

Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slagforming agents and solid fuel (coke).

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Modeling NOx emission of coke combustion in iron ore ...

Sep 01, 2016· In iron ore sintering process, as shown in Fig. 1, raw materials including iron ores, fluxes, return fines and fuel are blended and mixed first. The blended mix is further granulated in drum with the addition of water to get a coarser particle size …

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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

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sintering process of iron ore MINING solution

Modeling Sintering Process of Iron Ore Open. Modeling Sintering Process of Iron Ore 27 Fig. 3. Multiple phases considered in the present model. In this model it is assumed that the liquid phase formed will move together with the remaining solid phase due to the viscosity, thus, equations for momentum transfer and

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Modeling and Simulation of Iron Ore Sintering Process with ...

iron ore sizes in order to investigate its effect on sinter yield and productivity. 2. Mathematical Model Some reasonable assumptions and simplifications were adopted before modeling the iron ore sintering process. First, the sintering bed was assumed as a particle packed bed and was treated by means of the porous medium hypothesis;

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Modeling and simulation of processes from an iron ore ...

This work presents the mathematic models of the basic processes from an iron ore processing plant. Based on the mathematic models, using the Matlab/Simulink platform, it was achieved the simulation of the dosing process and simulation of the sintering process.

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Three dimensional mathematical model of the iron ore ...

2. Nath NK, Silva AJ and Chakraborti N. Dynamic process modeling of iron ore sintering. Steel Research. 1997;68:285292. [ Links ] 3. Oyama N, Iwami Y, Yamamoto T, Machida S, Yguchi T, Sato H et al. Development of secondaryfuel injection technology for energy reduction in the iron ore sintering process. ISIJ International. 2011;51:913921.

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Sintering And Pelletization Of Iron Ore Process

Iron Ore Pelletization,Sintering. Modeling Sintering Process of Iron Ore 25 Fig. 2. Thermal cycle of the materials in the sinter strand. Several attempts have been done to predict the final properties of the sinter product (Water et al. 1989, Kasai et al. 1989, 1991).

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Oreblending optimization model for sintering process ...

An oreblending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In the present work, 14 indices are proposed to represent chemical composition, granulating properties and high temperature properties of iron ores. After the relationships between iron ore characteristics and sintering performance ...

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sintering process of iron ore

Iron ore fines are agglomerated in the sintering process to produce sinter an important feed material for blast furnaces worldwide 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.

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Iron Ore Agglomeration Processes and their Historical ...

Dec 28, 2015· History of sintering of iron ore. Middle of nineteenth century, small sintering pot used to be constructed in the copper mining in England. The origin of sintering process goes back to 1887 when F. Haberlein and T. Huntington of England invented the process of agglomeration for sintering …

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Mathematical Modeling and Simulation in Matlab/Simulink of ...

Abstract: This work presents the mathematic models of the basic processes from an iron ore processing plant. Based on the mathematic models, using the Matlab/Simulink platform, it was achieved the simulation of the dosing process and simulation of the sintering process. The achieved mathematic model allows the

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Iron Ore 2019 Proceedings AusIMM

Promoting assimilation of magnetite fine ore for CO 2 reduction from sintering process 140 A Morioka, M Matsumura and J Okazaki Quality of sinter ore by flame zone shape in bed location 145 Y S Seo, B C Kim, H M Lee and H J Yoon Measured and modelled air flow rates during the iron ore sintering process: green and sintered beds 156

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Mathematical Modeling and Optimization of Iron Ore Sinter ...

Mar 10, 2010· The quality of iron ore sinter is a critical factor determining the productivity of blast furnaces for iron‐making. CSIRO has therefore been developing capabilities for predicting sinter characteristics, which enables sinter quality to be improved/optimized and preliminary assessments to be made of the suitability of specific ores or ore blends for sinter production.

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(PDF) Modeling Sintering Process of Iron Ore

A mathematical model of the iron ore sintering process has been developed. Sintering on a strand or in a sinter pot is described through expressions for heat and mass transfer, drying and ...

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Ironprocess sintering of iron ores YouTube

Sep 30, 2012· Compared with sintered ore, pellets have a higher iron and a lower gangcontent, and pelletizing is suitable for treating the very fine ore that will predominate in the future.

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