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Heat consumption In Iron Ore Sintering

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  • Optimization 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. 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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  • Improvement of heat pattern and sinter strength at high

    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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  • What Is Iron Ore Sintering? (with pictures)

    Oct 27, 2019· 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.

  • (PDF) HEAT TRANSFER DURING THE SINTERING PROCESS OF

    The aim of this work was to develop a model for the iron ore sintering process with special focus on heat front propagation through the packed bed and to provide a powerful tool ("SinterSim v1.1

  • Ore Sintering an overview ScienceDirect Topics

    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

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

    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 composition, quality and granulometry to be

  • CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

    CHAPTER-11 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

  • Iron ore sintering ScienceDirect

    Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first described and the key steps of the sintering process, namely, granulation and thermal densification, are identified.

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  • Mathematical modeling of and parametric studies on flue

    Flue gas recirculation sintering (FGRS) technology can reduce flue gas emissions and reuse waste heat effectively in iron ore sintering . Five FGRS systems have been built or transformed in China since 2013. Fig. 1 shows a comparison between the typical FGRS and the conventional sintering (CS). Despite the significantly reduced environmental

  • Cited by: 12
  • Sinter Plant MECON

    same material will minimise the fuel consumption and will distribute the heat throughout the sinter bed effectively which helps us in making good quality sinter. Productivity and quality are determined by the coke combustion behaviour during sintering process. Due to the density difference between iron ore fines and coke fines,

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  • Reduction of Solid Fuel Consumption in Sintering of Indian

    Reduction of Solid Fuel Consumption in Sintering of Indian Iron Ore R. P. Bhagat Mineral Processing Division CSIR- National Metallurgical Laboratory Jamshedpur 831 007 India Abstract: The present investigation deals with the sinterability of Goa (India) iron ore having high Fe (65.2%) content. The sinter basicity (CaO/SiO2) and its MgO were

  • 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

  • Sinter Plant MECON

    same material will minimise the fuel consumption and will distribute the heat throughout the sinter bed effectively which helps us in making good quality sinter. Productivity and quality are determined by the coke combustion behaviour during sintering process. Due to the density difference between iron ore fines and coke fines,

  • Theory and Practice of Sintering of Iron ore IspatGuru

    Nov 25, 2018· Theory and Practice of Sintering of Iron ore. 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 particular form of

  • (PDF) Iron Ore Sintering: Process ResearchGate

    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).

  • OPTIMISATION OF THE GRAIN SIZE DISTRIBUTION OF THE

    pelletising or sintering, before they are charged into the blast furnace [1]. Due to its better metallurgical and physical properties than pellets and lump ore, iron sinter is today the major source of iron in the burden to the modern blast furnace [2,3]. The raw materials are blended and subjected to granulation, which consists of

  • 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.

  • heat consumption in iron ore sintering onsiersehuis.nl

    Sintering Characteristics of Indian Chrome Ore Fines . Aug 11, 2009Because the heat generation during chrome ore sintering is high owing to some exothermic reactions, compared with iron ore, and because chrome ore contains a high amount of fines, shallow-bed-depth sinter cake production was attempted in the laboratory-scale pot-sintering machine.

  • SINTERING AND PELLETISATION OF INDIAN IRON ORES

    SINTERING AND PELLETISATION OF INDIAN IRON ORES By The major advantages of using sinter in BFs are Use of iron ore fines, coke breeze, metallurgical wastes, lime, dolomite for hot metal production Efficient sinter cooling and installation of heat recovery system

  • (PDF) ENERGY BALANCE OF SINTERING PROCESS

    homogenized blend of sinter ore, fine-grained concentrate, additives and fuel is prior the sintering mixed, moistened and pre-pelletized in pelletizing drum. Even blend ignition, placed on strand

  • Demonstration of a Waste Heat Recovery System at a Steel

    recover sensible heat* from hot air emitted by a sintering and cooling process of a fine iron ore and route it to a heat recovery boiler to generate super-heated steam which is converted to electricity by a turbine connected to a generator. T he new system can reduce electricity consumption of

  • What is the difference between pellets and sinter? Quora

    Jun 11, 2017· What is Pelletization? The process of Pelletization helps converting Iron Ore Fines into “Uniform Size Iron Ore Pellets” that can be fed in the blast furnaces or in the DRI kiln (DRI). Why Pelletization? Pelletization is the only answer to a major.

  • for DIOXINS AND FURANS: Iron Sintering Plants

    In a sintering plant, a feed mixture of fine fraction iron-rich mill secondary materials or ore and fluxing agents is fed onto a series of pallets mixed with a carbon source such as coke or coal. The carbon source combusts to provide heat to fuse the feed into a porous solid material suitable for use

  • Sinter plant Wikipedia

    Main feed into a sinter plant is base mix, which consists of iron ore fines, coke fines and flux (limestone) fines. In addition to base mix, coke fines, flux fines, sinter fines, iron dust (collected from plant de-dusting system & ESP) and plant waste are mixed in proportion (by weight) in a rotary drum, often called mixing and nodulizing drum.

  • Demonstration of a Waste Heat Recovery System at a Steel

    recover sensible heat* from hot air emitted by a sintering and cooling process of a fine iron ore and route it to a heat recovery boiler to generate super-heated steam which is converted to electricity by a turbine connected to a generator. T he new system can reduce electricity consumption of

  • What is the difference between pellets and sinter? Quora

    Jun 11, 2017· What is Pelletization? The process of Pelletization helps converting Iron Ore Fines into “Uniform Size Iron Ore Pellets” that can be fed in the blast furnaces or in the DRI kiln (DRI). Why Pelletization? Pelletization is the only answer to a major.

  • for DIOXINS AND FURANS: Iron Sintering Plants

    In a sintering plant, a feed mixture of fine fraction iron-rich mill secondary materials or ore and fluxing agents is fed onto a series of pallets mixed with a carbon source such as coke or coal. The carbon source combusts to provide heat to fuse the feed into a porous solid material suitable for use

  • Sinter plant Wikipedia

    Main feed into a sinter plant is base mix, which consists of iron ore fines, coke fines and flux (limestone) fines. In addition to base mix, coke fines, flux fines, sinter fines, iron dust (collected from plant de-dusting system & ESP) and plant waste are mixed in proportion (by weight) in a rotary drum, often called mixing and nodulizing drum.

  • Metallurgy SRB Group

    Beneficiation of low grade iron ore. In the field of iron ore beneficiation, SRB group has exclusive tie ups with design houses & institutes from Russia & C.I.S who have been extensively invloved in this process since a long time. These institutes have done lot of projects in Russia, ukraine &

  • Modeling Sintering Process of Iron Ore Open

    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,

  • Influence of high grade iron ore usage on the performance

    iron ore microstructural characterization. 3.0 Results and Discussions 3.1 BRBF fines characteristics The Table 2 shows the BRBF chemical and physical specifications of BRBF from Malaysia DC. As mentioned before it is a high grade iron ore with low gangue content, which make it a very good ore to be used in sintering process.

  • Effect of Granule Structure on the Combustion Behavior of

    The type should bring 1.2% save of coke consumption and 2.3% increase in the heat front speed in comparison to coke particles of single type. KEY WORDS: agglomeration; coke combustion; granule structure; iron ore sintering. 1. Introduction Sintering is the major iron-ore agglomeration process working in Japan, which consumes 50 kg/t-sinter

  • Iron ore mining and dressing tec-science

    Regions in which iron ore has formed over millions of years (e.g. through volcanism) and can be mined economically are also referred to as iron ore deposits. Especially many ore deposits can be found in countries such as China, Australia, Brazil, India and Russia. These countries account for around 85 % of the total global iron ore mining volume.

  • Hot Airflow Ignition with Microwave Heating for Iron Ore

    In iron ore sintering, ignition is to supply upper feed with 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

  • Development of an iron ore sinter process model to predict

    of agglomeration of iron ore fines for blast furnace feed. Research and development for the sintering process on the laboratory or pilot scale is typically conducted by means of a sinter pot test. The VIU (value-in-use) team at Kumba Iron Ore routinely uses sinter pot tests to evaluate the

  • Modelling fuel combustion in iron ore sintering Request PDF

    The combustion behaviour of solid fuels for example, coke and biomass char is an important consideration in iron ore sintering as it determines heat availability for the melt formation

  • Sintering Wikipedia

    Sintering or frittage is the process of compacting and forming a solid mass of material by heat or pressure without melting it to the point of liquefaction. Sintering happens naturally in mineral deposits or as a manufacturing process used with metals, ceramics, plastics, and other materials. The atoms in the materials diffuse across the

  • Appropriate Technology Parameters of Iron Ore Sintering

    Iron ore sintering plant is an industry of high energy consumption and high pollution, while the major air pollution in iron and steel industry. The amount of exhaust gas in sintering process accounts for 40% of iron and steel industry.

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