modeling sintering process of iron ore

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 silico-ferrite of calcium and

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.

Mathematical modelling of iron ore sintering process using ...

A mathematical model of the iron ore sintering process in a fixed sinter bed and optimisation of the process parameters using real valued genetic algorithm is described. The mathematical model is formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations.

Ore-blending optimization model for sintering process ...

An ore-blending 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 ...

Modeling Sintering Process of Iron Ore

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). The most important parameters are reducibility,

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

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.

Sinter plant - Wikipedia

Sinter plants agglomerate iron ore fines (dust) with other fine materials at high temperature, to create a product that can be used in a blast furnace.The final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals. The process, called sintering, causes the constituent materials to fuse to make a single porous mass with little change in the chemical ...

Sintering: A Step Between Mining Iron Ore and Steelmaking

World resources are estimated to be greater than 800 billion tons of crude ore containing more than 230 billion tons of iron. The only source of primary iron is iron ore, but before all that iron ore can be turned into steel, it must go through the sintering process. Sinter is the primary feed material for making iron and steel in a blast furnace.

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;

sintering process of iron ore - schoonwatervoormozambique

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.

(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, slag-forming agents and solid fuel (coke).

The Sintering Process of Iron Ore Fines – IspatGuru

Mar 09, 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 ...

Modeling method of carbon efficiency in iron ore sintering ...

Modeling method of carbon efficiency in iron ore sintering process Abstract: Iron ore sintering is one of the most energy-consuming processes in steelmaking. The main source of energy for it is the combustion of carbon.

sintering of iron ores - heliotechnix

Modeling Sintering Process of Iron Ore Know More. 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) The most important parameters are reducibility....

The Relationship Between Mining and Sintering

The only source of primary iron is iron ore, but before all that iron ore can be turned into steel, it must go through the sintering process. Sinter is created by mixing iron ore concentrate with several additives such as limestone and silica to control the chemistry and then igniting it .

iron ore sintering process - studiotundo

Iron Ore Sintering Process Model to Study Local. The iron ore sintering process prepares fine iron the ores for the blast furnace process Sinter plants agglomerate iron ore fines with other fine materials at high temperature in a mix bed to create a product that can be used in a blast furnace Main feed into a sinter plant is base mix, which consists of iron ore fines, coke fines and flux.

Ore Sintering - an overview | ScienceDirect Topics

Apr 02, 2010· The sintering process begins with the preparation of a sinter mixture consisting of iron ore fines, fluxes, solid fuel (called bonding agents in Japan) such as coke breeze, and return fines from the sinter plant and blast furnace as well as recycled ferruginous materials from downstream iron and steelmaking processes.

(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 ...

Process Of Sintering In Agglomeration Of Iron Ore

Modeling and Simulation of Iron Ore Sintering Process with . version of the iron ore sintering process in sinter pot. In recent decades, numerical simulation, as an effective theoretical method complementary to laboratory investiga-tion, is being increasingly applied to analyze iron ore sinter-ing.

What Is Iron Ore Sintering? (with pictures)

Aug 10, 2020· Sandi Johnson Last Modified Date: August 10, 2020 . Iron ore sintering is a type of powder metallurgy used to pre-treat iron before using it in manufacturing applications. Sintering involves heating iron powder to partially, but not completely, melt the iron particles. The exact process used and additional elements involved vary, with some methods using gas or electricity in addition to heat.

A Hybrid Ensemble Model Based on ELM and Improved AdaBoost ...

As energy efficiency becomes increasingly important to the steel industry, the iron ore sintering process is attracting more attention since it consumes the second large amount of energy in the iron and steel making processes. The present work aims to propose a prediction model for the iron ore sintering characters. A hybrid ensemble model combined the extreme learning machine (ELM) with an ...

Numerical Simulation Model of the Iron Ore Sintering ...

Results show that both carbon content and melting temperature of the granule influence the final structure of the sintering bed. The obtained structural change of the sintering bed show that the proposed model is a potential tool to analyse the agglomeration phenomena occurring in the iron ore sintering process under various conditions.

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 .