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Sintering process of iron ore

Mar 18, 2021

Emission Optimized Sintering (EOS ) for lower costs Iron ore sintering creates substantial off-gas volumes, and treating these in order to meet increasingly stringent environmental standards is expensive. EOS uses recycling technology to reduce off-gas volumes by 40 to 50 %, resulting in smaller secondary gas treatment systems. This means:

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  • Iron Ore Sintering Process Model to Study Local
    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

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  • Sintering emissions and mitigation technologies
    Sintering emissions and mitigation technologies

    Jan 01, 2022 Iron ore sintering is a material preparation process employed world-wide in the production of iron and steel. According to statistical data on pollution, sintering plants rank second in terms of toxic emissions, after the incineration of municipal solid waste ( Menad et al., 2006 ; Remus et al., 2013 )

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  • Mineralogy of Iron Ores of Different Alumina Levels
    Mineralogy of Iron Ores of Different Alumina Levels

    May 07, 2015 number of ore fines in the mixture. Quite different behaviors of different iron ore fines are observed at higher temperatures. The complexity of the reaction poses difficulties to optimize the process and hence the quality o f the sinter. In the sintering process, the iron ore corresponds to the mixture of hematite, goethite and other gangue

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  • What is sintering and melting? –
    What is sintering and melting? –

    Jul 09, 2019 Sintering process helps utilization of iron ore fines (0-10 mm) generated during iron ore mining operations. Sintering process helps in recycling all the iron, fuel and flux bearing waste materials in the steel plant

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  • Effects of Iron Ores on the Combustion Behavior of Coke
    Effects of Iron Ores on the Combustion Behavior of Coke

    ing iron ore sintering process, which was called fuel NOx. NO was the majority of the fuel NOx, accounting for about 95%.5,6) CO and NO formed simultaneously during the solid fuel combustion process, and Hida 7–9) found that the et al. Effects of Iron Ores on the Combustion Behavior of Coke and NOx Emission during Sintering Process

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  • Partial substitution of anthracite for coke breeze in iron
    Partial substitution of anthracite for coke breeze in iron

    Jan 15, 2021 The iron ore sintering process is one of the vital steps -in an integrated steelmaking chain, the goal of which is to agglomerate iron ore fines into porous sinters with a high mechanical strength

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  • APPLICATION OF THE NEW MIXING AND
    APPLICATION OF THE NEW MIXING AND

    The iron ore sintering process serves the preparation of the iron-bearing mixture for blast furnace. Preparation of the sintering mixture is the fi rst stage of the sintering process and comprises of the selection of ore grain size, careful wetting

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  • Development of Secondary-fuel Injection Technology
    Development of Secondary-fuel Injection Technology

    ture sintering process depresses the iron ore self-densification. Micro pores under 1 μm remain in unmelted ores and improve sinter reducibility. As a result, the technology enables to improve the pore structure in the sinter cake and sinter quality

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  • Iron ore pricing explained | Metal
    Iron ore pricing explained | Metal

    The sintering of fine ores can also be a polluting process, and mills under environmental constraints may favor direct-charge ore such as lumps or pellets. China’s 2016 update to its Environmental Protection Law enforces stricter caps on industrial pollution, and has increased the appetite for higher purity ores

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  • Reducing PAH emissions from the iron ore sintering process
    Reducing PAH emissions from the iron ore sintering process

    This study set out to reduce polycyclic aromatic hydrocarbon (PAH) emissions from the iron ore sintering process by optimizing its operation parameters obtained from the Taguchi experimental design. Four operating parameters, including the water content (Wc; range = 6.0-7.0 wt %), suction pressure (

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  • Improving iron ore sintering process performance - CSIRO
    Improving iron ore sintering process performance - CSIRO

    Iron ore is one of Australia's largest export commodities worth around $50-60 billion annually. According to 2017 figures, Australia produces more than 800 million tonnes of iron ore a year, mostly for use in steel production. Research to improve iron ore sintering is helping to maintain one of Australia's major exports

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  • Optimization of iron ore sintering process based on ELM
    Optimization of iron ore sintering process based on ELM

    Jan 21, 2016 Optimization of iron ore sintering process is to maximize the productivity and the sinter ore quality while minimizing the energy consumption. However, these economic and technical criteria are sometimes contradictory and the improvement of one criterion generally leads to the deterioration of other criteria. This paper aims to seek the optimal manipulated

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  • Iron Ore Pelletizing Process: An Overview | IntechOpen
    Iron Ore Pelletizing Process: An Overview | IntechOpen

    Jul 11, 2018 The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and low-grade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. This chapter

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  • The Sintering Process of Iron Ore Fines – IspatGuru
    The Sintering Process of Iron Ore Fines – IspatGuru

    Mar 09, 2013 Use of sinter reduces the coke rate and enhances the productivity in blast furnace. Sintering process helps utilization of iron ore fines (0-10 mm) generated during iron ore mining operations. Sintering process helps in recycling all the iron, fuel and flux bearing waste materials in the steel

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  • Iron Ore Sintering: Process: Mineral Processing and
    Iron Ore Sintering: Process: Mineral Processing and

    Feb 16, 2017 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 purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the blast furnace

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  • Modeling Sintering Process of Iron Ore
    Modeling Sintering Process of Iron Ore

    The process is carried out on a moving strand, where a previously prepared mixture of iron ore (sinter feed), fine coke or anthracite(fuel), limestone, other additives and water is continuo usly charged together with returned sinter from the undersize of a sieving process to form a thick bed of approximately 800 millimeters

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  • (PDF) Iron Ore Sintering: Process - ResearchGate
    (PDF) Iron Ore Sintering: Process - ResearchGate

    Feb 16, 2017 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)

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  • Ore Sintering - an overview | ScienceDirect Topics
    Ore Sintering - an overview | ScienceDirect Topics

    Apr 02, 2010 Original purpose of the iron-ore sintering process is to agglomerate fine ores into lump burdens for blast furnace (BF). Since sintering conditions, e.g., kinds of ores and used fluxing materials, and pregranulation processes, strongly affect the metallurgical properties of the produced sinter, many researches and developments on the sintering process have been

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  • Iron Ore Sinter - an overview | ScienceDirect Topics
    Iron Ore Sinter - an overview | ScienceDirect Topics

    J.R. Manuel, in Iron Ore, 2015. 4.2.2 Sinter. Low-temperature ( 1300 C) iron ore sinter is an agglomerate of unmelted and partially melted nuclei particles (+ 1 mm) and a matrix bonding phase produced from the melting of fine ore (− 1 mm) and flux particles, with the majority of melt formation occurring in the granule adhering fines layer. The majority of nuclei are hematitic

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  • Sintering: A Step Between Mining Iron Ore and
    Sintering: A Step Between Mining Iron Ore and

    Jun 11, 2019 The production of high-quality sinter is crucial for assuring consistent, stable furnace productivity with a low consumption of reductants. Sinter quality begins with the mined iron ore and the proper selection and mixing of the raw materials. Inhomogeneous raw mix can affect permeability and cause an increase in fuel consumption

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  • (PDF) Iron ore sintering. Part 1. Theory and practice
    (PDF) Iron ore sintering. Part 1. Theory and practice

    Sintering is a process by which a mixture of iron ores, fl uxes and coke is agglomerated in a sinter plant to manufacture a sinter product of a suitable

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  • Sintering Process Equipment Used in Iron and Steel
    Sintering Process Equipment Used in Iron and Steel

    Iron Ore Sintering Process in Steel Manufacturing ‹ Cement, Coal ... The basicity of sinter feed material is an important parameter in the efficient operation of the sintering and iron making process. Basicity is a calculated chemical parameter composed of the ratio of two or more elements that are known to affect the alkalinity of the material

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  • Sintering Process | Carmeuse
    Sintering Process | Carmeuse

    Sintering of iron ore has always been a potential process to improve emissions and reduce cost. Carmeuse research on lime characteristics for sinter enabled to offer engineered products and customized services for improving quality of the sinter, keeping focus on cost savings and reducing environmental impact of the sintering process

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  • Thermodynamic Analysis of Iron Ore Sintering Process
    Thermodynamic Analysis of Iron Ore Sintering Process

    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

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  • 12.5 Iron And Steel Production
    12.5 Iron And Steel Production

    The sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated product, sinter, of suitable size for charging into the blast furnace. The raw materials are sometimes mixed with water to provide a

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  • Utilization of charcoal in the iron-ore sintering process
    Utilization of charcoal in the iron-ore sintering process

    The use of charcoal for sintering applications has been evaluated in separate experiments in the world. These experiments indicate that charcoal can replace a portion of the coke breeze (approximately 20-30%). The aim of this thermodynamic study was to evaluate the possibilities of charcoal utilization in iron-ore sintering process

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  • A Novel Approach for Utilization of Ultra‐Fines Iron Ore
    A Novel Approach for Utilization of Ultra‐Fines Iron Ore

    Jan 30, 2015 The current study presents a novel approach for the utilization of ultra-fines iron ore (−0.2 mm) in sintering process through its conversion into mini-pellets (4–9 mm). The mini-pellets were composed of ultra-fine iron ore and calcium hydrate while coke fines were used as a

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  • Calcium Ferrit Generation During Iron Ore Sintering
    Calcium Ferrit Generation During Iron Ore Sintering

    May 06, 2015 Iron ore sintering is a heat treatment process for agglomerating fine particles into larger lumps, which then serve as the major burden for blast furnace. The production of high-quality sinter is critical for efficient blast furnace operation [1-3]

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