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heat consumption in iron ore sintering

Heat Consumption In Iron Ore Sintering

heat consumption in iron ore sintering Feb 5, 2013 . It is pointed out that energy consumption per ton of crude steel has been almost one . of heating furnace, thick bed layers sintering operation, waste heat .. and fuel including iron ore, coal for coking, crude gas, and so forth.

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CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

2012-8-16  FUNDAMENTALS OF IRON ORE SINTERING R. P. Bhagat ... consumption of sinter and weight of limestone in the burden were closely correlated: 20 ... In sintering, a shallow bed of fine particles is agglomerated by heat exchange and partial fusion of the quiescent mass. Heat is generated by combustion of a solid fuel ad mixed

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Reduction of heat losses in iron ore sintering (Journal ...

Made available by U.S. Department of Energy Office of Scientific and Technical Information ...

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Heat transfer of spent ion exchange resin in iron ore ...

2015-9-5  Sintering, as physical-chemical process of iron ores preparation and obtaining of a controlled situation, is a large energy consumption process in iron and steel production , , . During the sintering process, SIER can completely combusted in a high temperature environment (over 1200 °C) while the pollutant gases are absorbed by the tailing gas treatment unit in sintering machine.

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Hot Airflow Ignition with Microwave Heating for Iron Ore ...

sufficient heat to ensure the coke combustion and materials sintering. And with air draft, the sintering proceeds from upper feed to lower completely.1) The energy consumption of conventional iron ore ignition using coal gas (CGI) in the present sintering plant is as high as 5%–10% of the total energy consumption of the whole sintering process. Further-

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Improvement of heat pattern and sinter strength at

2017-9-10  Iron ore sintering involves various physical and chemical phenomena such as heat and mass transfer, combustion, melting, solidification, evaporation and condensation. Traditionally, coke breeze is the main heat supplier for the iron ore sintering process. The detailed process is described in the published paper (Zhao et al., 2015).

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Iron ore sintering - ScienceDirect

2015-1-1  Granulation and thermal densification are two important steps of iron ore sintering and determine the quality of the resultant sinter and the performance of the sintering process. The effect of iron ore characteristics on sintering is mainly through their

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Improving Energy Efficiency in Iron Ore Sintering through ...

describe heat transfer from the flame front to the bed and is used in this study. Data on segregated beds from the literature is used in the simulations. The impacts of the factors were considered individually and then combined to determine their cumulative effect on heat transfer during sintering. 2. Segregation in Iron Ore Sintering 2.1.

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Optimization of gaseous fuel injection for saving

2017-12-1  Traditionally, coke breeze supplies heat for the iron ore sintering. Coking and sintering contribute the second highest (26% [1] ) energy consumption in the iron and steel production. Iron ore sintering is a pre-treatment process to prepare porous sinters with suitable strength which are the burden materials for iron-making in the blast furnace.

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Recent progress in sustainable and energy-efficient ...

2020-10-1  Cheng et al. developed a computational model of iron ore sintering with gaseous fuel injection and theoretically explained the impact of gaseous fuel injection on the heat pattern in the sintering bed. The heat release in the gaseous fuel secondary combustion zone above the solid fuel combustion zone delayed the temperature drop and reduced the cooling rate, thereby leading to a

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Heat Consumption In Iron Ore Sintering

heat consumption in iron ore sintering Advances in Energy Conservation of China Steel Industry Hindawi. Feb 5, 2013 . It is pointed out that energy consumption per ton of crude steel has been almost one . of heating furnace, thick bed layers sintering operation, waste heat .. and fuel including iron ore, coal for coking, crude gas, and so forth.

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Reduction of heat losses in iron ore sintering (Journal ...

Made available by U.S. Department of Energy Office of Scientific and Technical Information ...

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A Data-Driven Model for Energy Consumption in the ...

The sintering process, as shown in Fig. 1, begins with the preparation of the raw materials consisting of iron ore fines, fluxes, in-plant metallurgical waste materials, fuel, and return fines from the sintering process. These materials are mixed in a rotating drum, and water is added in order to reach the desired agglomeration of the raw ...

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SINTERING AND PELLETISATION OF INDIAN IRON ORES

2020-2-2  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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Modified coke breeze distribution in iron ore sintering ...

2021-2-9  MODIFIED COKE BREEZE DISTRIBUTION IN IRON ORE SINTERING - A NOVEL TECHNIQUE OF REDUCING ENERGY CONSUMPTION AND IMPROVING QUALITY J. Pal a,*, D. Prasad b,c, T. Venugopalan b a CSIR- National Metallurgical Laboratory, Jamshedpur, India b Tata Steel Ltd., Jamshedpur, India c Academy of Scientific and Innovative Research (AcSIR), CSIR- National

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Sintering: A Step Between Mining Iron Ore and

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

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Theory and Practice of Sintering of Iron ore – IspatGuru

2018-11-25  Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix (raw mix or green mix) of iron ore fines, fluxes, fuel (coke breeze) and plant return fines (e.g. mill scale, blast furnace dust, and returned sinter fines etc.) are converted into a

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The Relationship Between Mining and Sintering

2019-8-15  Sinter is the primary feed material for making iron in a blast furnace, and we have previously written about sintering and how it is a step between mining ore and steelmaking.. 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

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Chemical, Mineralogical and Metallurgical

2017-12-21  Iron ore fines: The larger sized iron ore fines (> 10mm) does not take part in agglomeration rather is sometimes came un-sintered. The larger sized iron ore will segregate at a particular portion where sintering will be fast leaving behind the other portion. This situation will

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heat consumption in iron ore sintering - envipa.eu

As shown in Figure 14.1, iron ore sintering is carried out in three stages: raw materialOptimization of gaseous fuel injection for saving energy,Dec 01, 2017 Traditionally, coke breeze supplies heat for the iron ore sintering. Coking and sintering contribute the second highest (26%) energy consumption in the iron and steel production.

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Reduction of heat losses in iron ore sintering (Journal ...

Made available by U.S. Department of Energy Office of Scientific and Technical Information ...

Read More
Sintering: A Step Between Mining Iron Ore and

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

Read More
A Data-Driven Model for Energy Consumption in the ...

The sintering process, as shown in Fig. 1, begins with the preparation of the raw materials consisting of iron ore fines, fluxes, in-plant metallurgical waste materials, fuel, and return fines from the sintering process. These materials are mixed in a rotating drum, and water is added in order to reach the desired agglomeration of the raw ...

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Iron Ore Agglomeration Technologies IntechOpen

2017-12-20  Sintering is a thermal process (1300–1400°C) by which a mixture of iron ore, return fines, recycled products of the iron and steel industry (mill scale, blast furnace dusts, etc.), slag-forming elements, fluxes and coke are agglomerated in a sinter plant

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Modeling Sintering Process of Iron Ore - IntechOpen

2018-9-25  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,

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Effective utilization of operating condition in production ...

2019-12-10  Keywords: iron ore sintering bed, operating condition, numerical simulation 1 INTRODUCTION Iron ore sintering is one of the most important pro-cesses in the steel manufacturing industry. Over the years, a number of innovative technologies that increase the performance and reduce the capital, as well as operating costs, have been applied to the

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

2015-5-27  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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Agglomeration of iron ores

2020-11-30  Table ofContents Preface xix AuthorBiography xxi Acknowledgment xxiii Chapter 1 Introduction 1 1.1 Preamble 1 1.2 DefinitionandCategory 1 1.2.1 Agglomeration 1 1.2.2 Sintering 2 1.2.3 Peptizing 2 1.2.4 Briquetting 2 1.3 ScopeofAgglomeration 3 1.4 Needfor Agglomeration 3 1.5 RawMaterialsfor Agglomeration 4 1.6 TheAgglomerationProcesses 5 1.6.1 Sintering 5 1.6.2

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Chemical, Mineralogical and Metallurgical

2017-12-21  Iron ore fines: The larger sized iron ore fines (> 10mm) does not take part in agglomeration rather is sometimes came un-sintered. The larger sized iron ore will segregate at a particular portion where sintering will be fast leaving behind the other portion. This situation will

Read More