WEBApr 1, 2020 · The abnormal operating mode of the iron ore sintering process will produce sinter ore with low yield and poor quality. It is of high economic value to ensure that the sintering process runs under ...
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WEBJun 1, 2015 · Abstract. Flue gas recirculation has been introduced into iron ore sintering process to reduce pollutant emissions. Compared with the conventional process, the sintering indices reduce gradually ...
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WEBNov 15, 2023 · It is vital to reduce the consumption of fossil fuels in the steel industry. As a preprocess of iron making in steel plants, the iron ore sintering process consumes a lot of solid fossil fuels, mainly anthracite and coke, which account for about 75–80% of the total energy consumption of the sintering process [3]. Reducing solid fossil fuel ...
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WEBJan 1, 2018 · The growth index of the quasiparticles increased by 30% when using iron ore AR2 to replace half of iron ore AR1. The vertical sintering speed and the productivity of sinter improved to mm ...
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WEBSep 1, 2016 · 1. Introduction. 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.
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WEBAs a key thermalstate indior of the iron ore sintering process, the content of ferrous oxide (FeO) in the finished sinter is directly related to product quality. Based on the massive data of sintering process, the datadriven soft sensor model provides a good choice for realtime FeO content detection. However, the complex characteristics of the data, .
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WEBOct 19, 2016 · Basic sintering technology. The 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. A typical sinter plant consists of a number of sequential operating units with the sinter machine at the heart of .
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WEBFeb 25, 2018 · Sinter yield and strength were predicted by the method of numerical simulation in this study. An unsteady twodimensional mathematical model for the iron ore sintering process was developed by taking most of the significant physical phenomena and chemical reactions into consideration. By employing FLUENT software and C .
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WEBAug 1, 2013 · Sintering is a process where a mixture of ore, flux and coke is agglomerated (agglomerated) in the sinter plant to produce suitable sintered products in terms of composition, quality and ...
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WEBFeb 21, 2021 · The lowsilica and low basicity sintering is an effective measure for improving iron grade of sinter and reducing the slag amount of ironmaking and steelmaking. Sintering of the mixture at basicity (,, and ) and SiO 2 content (,,,, and ) were conducted in a sintering pot, and the microstructures of typical sinters ...
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WEBAug 2, 2017 · An iron ore sintering process has the characteristics of autocorrelation of time series of CCR, multiple variables, linearity and nonlinearity, and time delay. In this study, a hybrid time series prediction model was built to .
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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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WEBNov 14, 2016 · Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slagforming elements and coke. ... achieving an adequate sintered product depends on the adequate raw materials supply and the previous stage to the sintering process, granulation. For that reason, in this paper, the granulation process .
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WEBJan 15, 2024 · Discrete element method is used in this work to investigate the sintering granulation process of differentshaped nuclei iron ore particles and different drum baffle settings in rotating results show that the nuclei particle shape does not affect the flow pattern much, and the baffle setting can affect the time needed for particle flow to .
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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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WEBFeb 5, 2022 · The following advantages are mainly realized in iron ore sintering process to treat MSWIFA: (1) MSWIFA can be used as calcium based flux in sintering process, and the high temperature process is conducive to the decomposition of dioxins (Wong et al., 2020); (2) Sintering has a complete flue gas purifiion system, which can deal with .
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WEBMar 20, 2020 · In the iron ore sintering process, it is desirable to maximize the productivity and quality of sinter while minimizing the fuel consumption for any given raw material (iron ore, flux and solid fuel) quality. However, given the complexity of the sintering process and the large number of manipulated variables, it is not practical for .
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WEBMar 9, 2020 · The accuracy and integrity of the actual production data influence the reliability and stability of sintering process in steel industry. However, the actual production data may encounter various outliers due to noise, sensor failure, and operator negligence existing in this process. To tackle this issue, this article develops an original framework .
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WEBNov 21, 2014 · The size of iron ore affects the sintering properties. An increase in the size of iron ore promotes the productivity of sinter, but can reduce the tumbler strength slightly and save a little coke. The mineralogy of sinter can more easily be predicted from its chemical composition than its physical and chemical properties.
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WEBAug 1, 1990 · In this chapter, the sintering process is first described to identify the key steps of the process, that is, granulation and thermal densifiion. Discussion is then focused on the effect of the chemical, physical, and mineralogical characteristics of iron ore on these steps, and the consequences for sinter quality and sintering performance.
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WEBJul 1, 2020 · The proportioning of iron ore is the first step of the sintering process. It mixes different kinds of iron ores with coke, limestone, dolomite, and returned sinter to produce a raw mix for the ...
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WEBJun 1, 2021 · Sintering, a primary way to make highquality artificial iron ore from lowgrade iron ore, has received widespread attention. Sintering is a thermal agglomeration process, which involves several chemical–physical reactions (Chen et al., 2020). Burnthrough point (BTP) is a parameter with significant meaning in the iron ore sintering .
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WEBDec 1, 2017 · To study the appliions of biomass as a source of energy in iron ore agglomeration process: Selected biomass are analysed chemically and microscopic studies are also performed. Structure and chemical composition of biomass and bioash are also discussed. Frohlichova et al. (2014) [4] To Substitute coke breeze by charcoal in .
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WEBMay 1, 2020 · One of the most challenging issues of the actual steelmaking industry is the mitigation of CO 2 emissions. To cope with this target, the massive use of granulated biomass and fuel gas in the iron ore sintering process are a promising technological solution and can contribute to mitigating the environmental impacts of the steel plant.
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WEBSep 1, 2016 · Abstract. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves of traditional high grade iron ore, there have been considerable changes in iron ore resources available throughout the world, especially in steel mills in East Asia.
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WEBJan 1, 2022 · Abstract. 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 to ...
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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.
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WEBOct 15, 2023 · Abstract. In iron making process, sintering of iron ore fines is an integral step to utilize not only the ore fines but also to introduce a part of flux (limestone and dolomite) along with the sinter in blast furnace burden. In this way, the productivity of the furnace considerably improves. In this paper, some fundamental aspects such as the ...
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WEBMay 1, 2023 · Through recent studies, it was found that iron ore sintering can be used to treat MSWIFA(Gan et al., 2021). The use area of sintering machines in China has exceeded 160000 square meters, with an annual output of more than 1 billion tons of iron ore sinter, accounting for more than 60% of the global output(Ji et al., 2022).
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WEBMay 10, 2016 · This work presents the results of bench calcination and sintering studies conducted on an iron ore sample from Iron Quadrangle, Brazil with high goethite content. The natural samples and the products of calcination and sintering were characterised by inductively coupled plasma optical emission spectroscopy (OES/ICP), Xray .
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