heat consumption in iron ore sintering

  • Pelletizing Process

    include iron scrap, reduced iron pellets and reduced iron briquettes. Sintered ore is made by partially melting and sintering coarse iron ore 1 to 3mm in size into products having a size of 15 to 30mm. The sintering process uses the combustion heat of coke breeze (fuel). Pellets are made from iron ore .

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  • XVIII Analyst & Investor Tour

    • Optimization of iron ore blend (linear programming) • Neutral network sintering model • Heat and mass balance for sintering • Pelletizing model Vale leverages its know-how in Iron Ore and Coal into the steelmaking production chain through the CTF

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  • for DIOXINS AND FURANS: Iron Sintering Plants

    Existing Iron Sintering Plants Phase 1: Dioxin and furan stack emissions shall be less than 1350 pg/m3 TEQ, and as a result of achieving this limit particulate emissions should correspond to a level of less than 50 mg/m3 for all existing iron sintering plants by 2002.

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  • Minerals | Free Full-Text | Measurement of Process ...

    Iron ore sintering is undertaken at steelworks to produce coarse and competent feed for the iron blast furnace from iron ore fines and secondary iron oxide sources. In the sintering process, a blend of iron oxide fines (<6 mm) is mixed and agglomerated with the addition of fluxes, return sinter and coke breeze.

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  • Low Cost For Iron Ore Sintering Technology

    Low Cost For Iron Ore Sintering Technology. Basic sintering technology he sintering technology is basically an agglomeration process for the iron ore fines which is dependent on heat to melt the surface of the smaller particles together to form larger agglomerates typical sinter plant consists of a number of sequential operating units with the sinter machine at the heart of the plant.

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  • Numercial Simulation of Sinter Cooling Process ...

    A 2-D sinter cooling model is built to simulate the hot iron ore sinter cooling process in a sinter cooler. In this model the convection heat transfer is applied for the heat transfer between the sinter particle skin and the cooling air flow.

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  • Why do we do a sintering process in iron making? - Quora

    Dec 22, 2017· We do sintering process in iron making to produce the sinter that is used in blast furnace as raw material. Yes, we can directly use the iron ore fines in blast furnace but instead of doing that we prefer the iron ore agglomerate (Sinter). Sinter ...

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  • 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

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  • Calcium Ferrit Generation During Iron Ore Sintering ...

    Crystal behavior of calcium ferrite at different temperature. Calcium oxide (mass fraction 8%) was added into iron ores to ensure the formation of CF melt during sintering. Briquettes were cooled down to 1280℃, 1250℃, 1200℃, 1150℃, and 1050℃ at a cooling rate of 50℃/min respectively, and then quenched by .

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  • Sintering | metallurgy | Britannica

    In a steel-sintering plant a bed of powdered iron ore, mixed with coke or anthracite, is ignited by a gas burner and then moved along a traveling grate. Air is drawn down through the grate to produce downdraft combustion. As the bed moves forward, a very high heat (1,325°–1,500° C [2,400°–2,700° F]) is .

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  • CN104152676B - A kind of Iron Ore Matching in Sintering ...

    The Iron Ore Matching in Sintering method of a kind of red soil nickel ore of the present invention, it is 10% ~ 20% that sinter mixture sinters the FeO Content in .

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  • Gasification Reaction Characteristics between Biochar and ...

    The energy consumption of the iron ore sintering process generally accounts for about 10% of iron and steel enterprises, 75%~80% of which are consumed in the form of solid fossil fuels like coke breeze or anthracite [1, 2]. Fuel cost accounts for 40% or more of the sinter processing costs [3].

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  • Researcher Pioneers Solar to Heat Crucial Steel Component

    Dec 13, 2017· Lina Hockaday, Senior Engineer in Pyrometallurgy at Mintek''s New Technology Group in South Africa, proposes that solar thermal reactors, able to reach temperatures up to 1200°C, could virtually eliminate emissions from processing manganese ore fines, by using solar sintering.

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  • Utilization of Biomass for Iron Ore Sintering

    carbon-neutral agent is an attractive one for iron ore sintering. Sinter pot tests were carried out with using raw biomass and biomass carbonized char. It is not good on yield and exhaust gas that raw biomass is used directly as carbon material for iron ore sintering. While, it is .

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  • Difference Between Sintering and Annealing | Compare the ...

    Nov 03, 2019· Sintering is the process of welding together small particles of a metal by applying heat below the melting point of the metal. Annealing is a heat treatment process in which we have to heat a metal to a predominant temperature, hold for some time .

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  • Iron making - SlideShare

    Mar 02, 2013· Iron ore sintering is carried out by putting a mixture Iron bearing fines mixed with solid fuels on a permeable bed. The top layer of sinter bed is heated up to the temperature of 1200 - 13000C by a gas or oil burner.

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  • Low Cost For Iron Ore Sintering Technology

    2011-3-25therefore the high cost of building and operating iron ore pellet plants, sinter plants and coke ovens are not requiredthe direct use of low value grades of iron ore fines without pre-treatment increases the flexibility of raw material supply for steel producers,.

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  • Control of Pollution in the Iron and Steel Industry

    The sintering converts fine-sized raw material, iron ore, coke breeze, limestone, mill scale, and flue dust into an agglomerated product (sinter) at suitable size for charging into the blast furnace. The raw materials are sometimes mixed with water to provide a cohesive matrix and then placed on a travelling grate called the sinter strand. A burner

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  • Iron ore end-use statistics - Amazon Web Services

    End use is defined as the use of the mineral commodity in a particular industrial sector or product. For iron ore (exclusive of ore containing 5 percent or more manganese; includes agglomerates), end-use categories are blast furnaces, steel furnaces, sintering plants, miscellaneous uses, direct-reduced iron for steelmaking, and nonsteel end uses.

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  • percentage of iron,coke,sinter and pellet in blastfurnace ...

    In a blast furnace (BF) the iron oxides are reduced and the resulting iron is melted. Approximately 70% of the global steel production involves the use of BFs. ... the latter increases the temperature of air to 900 – 1350 o C. Ore, sinter or pellets, coke and lime (that removes impurities and acts as flux) are added to the blast furnace from ...

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  • FACT SHEET Energy use in the steel industry

    iron ore, and other fuels are used to substitute a portion of coke. ... The remaining 25% provides heat at the sinter and coking plants and, in the form of by-product gas, serves as an energy source (displacing other fuels) to various downstream process stages.5 Table 1 shows the main energy inputs of steel production and their

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  • Of Coke Breeze Sintering Iron Ore

    An improved iron ore sinter for use in a blast furnace is made from a raw sinter mix comprising: iron-bearing materials; basic fluxes including a source of CaO and a source of MgO; and solid carbon-bearing material usually coke breeze, used as a heat-generating combustible.

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  • SeqiOlivine Improves the Sintering and Pelletizing ...

    the blast furnace process, to the sintering of iron ore and iron ore pelletizing are the main areas. In this investigation the usefulness of the olivine mined at Greenland for sinter – and pellet production was studied. The chemical analysis of the olivine from Greenland shows an .

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  • © IEA ETSAP - Technology Brief I02 - May 2010 - ...

    The iron ore is smelted to produce an impure metal called "hot metal" when in liquid phase or "pig iron" when in solid phase. In smelting, a reducing agent - usually coke - and heat are used to remove oxygen from the metal ore. Carbon dioxide (CO. 2) and carbon monoxide (CO) are .

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  • Design And Fabrication Of Iron Ore Sintering Machine

    Jun 24, 2015· Design And Fabrication Of Iron Ore Sintering Machine 1. 1 DESIGN & FABRICATION OF IRON ORE SINTERING MACHINE A Project Report Submitted by ALBIN KURIACHAN CHERIAN (090250121028) SIDDHARTH RATHOD (100253121009) In fulfillment for the award of the degree of BACHELOR OF ENGINEERING In Department of B.E. in Metallurgy Engineering Indus Institute of .

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  • Granulation of Coke Breeze Fine for Using in the Sintering ...

    and coke breeze granules were almost the same. The iron ore sinter which was produced by using coke breeze without sieving yielded low productivity for both sinter machine and blast furnace. Furthermore, using coke breeze without sieving in sintering of an iron ore decreases the vertical velocity of sinter machine and increases the reduction time.

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  • Electric Smelting Furnace of Ore

    Iron Ore Smelting. Norway has extensive deposits of iron ore containing 30 to 36 percent iron, as well as large deposits of pyrite which, after the sulphur has been removed, will, yield 60 percent iron. Norway not only has an adequate limestone reserve and ample water power, but is well-supplied with raw materials for making iron and steel.

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  • Cost Effectiveness Analysis of HYL and Midrex DRI ...

    Cost Effectiveness Analysis of HYL and drex DRI Te chnologies for the Iron and Steel-king Industry Pa ge | 2 Acknowledgements I am thankful for the wonderful support shown to me by my advisor, Dr. Brian Murray at Duke University.

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  • Iron Ore Pelletizing Process: An Overview | IntechOpen

    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 shows the status of the pelletizing process ...

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  • Sintering

    Iron ore sintering [3] has stood at the heart of the ferrous metallurgical processes for over half a century. Besides iron ores, it can also be applied for sintering of manganese ore fines. Sintering is a process in which iron ore fines, coke breeze, limestone fines, dolomite/ dunite fines, iron and flux bearing fine waste products of the steel ...

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