WEBAug 1, 2022 · In the sintering process, ... Modeling of combustion and heat transfer in an iron ore sintering bed with considerations of multiple solid phases. ISIJ Int., 44 (2004), pp. 492499, / View in Scopus Google Scholar [14] M. Pahlevaninezhad, M. Emami, M. Panjepour.
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WEBOct 11, 2023 · The experiment involving ammonia injection was conducted to minimize solid fuel consumption and carbon emissions during the sintering process of iron ore. The sintering bed temperature, sintered ore quality, combustion efficiency, and pollutant emission under different ammonia injection concentrations and coke ratios were .
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WEBJul 1, 2019 · article{Huang2019InvestigationIT, title={Investigation into the characteristics of H2rich gas injection over iron ore sintering process: Experiment and modelling}, author={Xiaoxian Huang and Xiaohui Fan and Zhiyun Ji and Gan Min and Xuling Chen and Yuanjie Zhao and Tao Jiang}, journal={Applied Thermal Engineering}, year={2019}, .
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WEBNov 16, 2020 · 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 .
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WEBApr 11, 2017 · The mechanism of arsenic removal during a sintering process was investigated through experiments with a sintering pot and arsenicbearing iron ore containing arsenopyrite; the corresponding chemical properties of the sinter were determined by inductively coupled plasma atomic emission spectrometry (ICPAES), X .
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WEBJul 8, 2013 · The sintering process is used to agglomerate a mix of iron ore fines, return fines, fluxes, and coke, with a particle size of less than 10 mm, so that the resulting sinter, with a screened size of 5 mm to 30 mm, can withstand pressure and temperature conditions in the blast furnace (BF). The process of sintering of iron ore fines was primarily ...
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WEBAug 1, 2022 · Mathematical modeling and distribution characteristics evaluation of fuel particles in iron ore sintering process. Author links open overlay panel Fanglei Dai a, Xiaoxian Huang a, Xiaohui Fan a, Xuling Chen a, Min Gan a, Zhiyun Ji a ... Investigation on the evolution characteristics of bed porous structure during iron ore sintering ...
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WEBSep 1, 2016 · Iron ore sintering is the process of heating iron ore fines, coke fines, and other materials to produce a semimolten mass that solidifies into porous pieces of sinter with a size and strength suitable for a blast furnace. It is the second most energyconsuming process in steelmaking. Its main source of energy is the combustion of coke, which ...
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WEBMar 1, 2022 · 1. Introduction. For iron ore sintering technology, the granulation of iron ore particles is a highly important stage prior to the hot processing unit [1, 2].By means of granulation, the raw iron ore particles are agglomerated into the products with an appropriate size distribution, which guarantees the desirable green bed permeability and .
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WEBDec 1, 2015 · The sintering mixture, necessary for iron ore sinter production, is composed of various kinds of iron ores, fluxes, recycled raw materials and fuel. A new composition and new grain size of sintering mixture have been examined in a laboratory testing sintering pot [1], where the height of sintered layer corresponded to a height of sintered .
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WEBJan 18, 2023 · Recovery of metallurgical dust by sintering inevitably incorporates Zn into the sintered ore, which can have a significant impact on the ore formation process and the quality of the resulting ore. Through miniaturesintering experiments and theoretical firstprinciples calculations, this paper analyzes in detail the influencing mechanism of Zn on .
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WEBFeb 16, 2017 · Abstract. Sintering is a process of agglomeration of iron ore fines, fluxes, recycled products, slagforming elements and coke with the purpose of achieving an agglomerated product with the ...
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WEBJan 16, 2018 · The document discusses sinter making technology used in iron ore mining. It describes how iron ore fines generated during mining cannot be directly charged in blast furnaces due to size restrictions. Sintering is used to agglomerate the fines into a porous mass that meets size requirements. The key steps in sinter making include: 1) raw ...
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WEBAug 1, 2020 · For iron ore sintering process, both the calcium and iron are necessities. Therefore, the similarities of chemical compositions made iron ore sintering process a promising way to treat MSWI fly ash. Min et al. has explored the emission rule of dioxins and metallurgical properties of finished sinter after adding MSWI fly ash ( Yi et al., 2017 ...
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WEBJan 1, 2000 · The iron ore sintering process is the second largest energy consuming process next to the blast furnace in overall integrated steel plant value chain. Sintering consists of two moving beds, namely ...
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WEBFeb 13, 2019 · Iron ore sintering process is the main source of PM 10 and PM throughout the whole steelmaking chain, accounting for 40% of the total amount. As PM 10 and PM characterized huge specific surface area and high surface activity, they tended to be the carrier of heavy metals, alkali metals and persistent organic pollutants .
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WEBMathematical modelling of iron ore sintering process using genetic algorithm B. K. Giri and G. G. Roy* 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 .
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WEBSintering is the most widely used agglomeration process for preparing iron ore fines for blast furnace appliions. We are using our expertise in iron ore sintering and evaluation of blast furnace burdens to assist industry to maximise the value of their resources, optimise product quality and reduce their environmental footprint.
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WEBDec 28, 2015 · History of sintering of iron ore Middle of nineteenth century, small sintering pot used to be constructed in the copper mining in England. The origin of sintering process goes back to 1887 when F. Haberlein and T. Huntington of England invented the process of agglomeration for sintering of sulphide ores.
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WEBNov 15, 2023 · During the iron ore sintering process, there is a universally known feature of uneven heat distribution in the sintering bed [26], [27]. The sintered material is mixed, granulated, and then filled into the sinter machine with a uniform fuel distribution in conventional sintering processes.
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WEBMay 1, 2019 · Iron ore sintering is the second most energy consuming process in ironmarking, and the main energy consumption comes from the combustion of carbon.
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WEBOct 29, 2023 · Iron ore sintering was a semimelting process. Firstly, iron ore particles reacted with fluxes and generated liquid phase at high temperatures. Then, the liquid phase combined the dispersive unreacted iron ore (usually the core of coarse particles), and the liquid phase recrystallized and formed the bonding phase during cooling [12, 13]. In the ...
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WEBAug 1, 2019 · An iron ore sintering process is the first procedure of steelmaking industry. It produces sinter for feeding into the blast furnace (BF). Empirical experiences show that a 1% decrease of iron grade (TFe) in produced sinter turns into a 2% increase of BF fuel ratio and a 3% decrease of BF output (Wang, 2011). So, the TFe is an important quality ...
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WEBMay 1, 2011 · The whole melting curve of iron ore during sintering process was obtained, and the melting characteristics of iron ore were defined and explained. The whole melting process of mixture, mixed by iron ore and CaO reagent at basicity of 2. 0 and 4. 0, respectively, was observed using a SiC heating furnace with camcorder unit, and the .
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WEBJul 28, 2023 · The iron ore sintering process is the second largest energy consuming process next to the blast furnace in overall integrated steel plant value chain. Sintering consists of two moving beds, namely a sintering machine, and an annular cooler. Once the sintering is completed, hot sinter is discharged on the annular cooler and air is blown .
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