WEBJan 1, 2015 · 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 densifiion, are identified. Discussion is then focused on the effect of the chemical ...
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WEBJun 1, 2015 · Abstract. Iron ore sintering is an energyintensive process associated with emission of pollutants in iron and steel industry. In order to comprehensively evaluate the environmental impacts of sintering, a detailed life cycle assessment of a sintering plant was conducted. Life cycle inventory showed that, in the production of 1 t sinter ore ...
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WEBNov 6, 2023 · The iron ore sintering process has the capability to handle and utilize complex raw materials, allowing for the reasonable utilization of zinc extraction residue. The addition of zinc extractant has been found to improve the sintering index, metallurgical properties, and gaseous pollutant emissions without significant negative effects. ...
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WEBJan 30, 2018 · Introduction to Iron Making Raw Materials
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WEBApr 14, 2009 · Turning low grade iron ore into the most used metal in the world is no easy task. Learn how this hot process works on Discovery Channel's "HowStuffWorks" sho...
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WEBJan 21, 2016 · Optimization of iron ore sintering process is to maximize the productivity and the sinter ore quality while minimizing the energy consumption. However, these economic and technical criteria are sometimes contradictory and the improvement of one criterion generally leads to the deterioration of other criteria. This paper aims to seek the .
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WEBFeb 25, 2018 · The iron ore sintering process was simulated and computational domain was the same as the configuration of a sinter pot as shown in Fig. 1. Entrance of the sinter pot was defined as a velocity inlet. The magnitude of velocity was obtained from the experimental gasflow rate [7]. The bottom of the sinter pot was set to be pressure outlet .
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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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WEBFeb 9, 2017 · Li et al., Melting characteristics of iron ore fine during sintering process. J. Iron Steel Res. 18, 11–15 (2011) Google Scholar S. Machida et al., Experimental evaluation of chemical composition and viscosity of melts during iron ore sintering. ISIJ Int. 45, 513–521 (2005) Google Scholar D. Debrin, Loo, Effect of .
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WEBJan 24, 2020 · The crude steel yield of China accounts for 50% of that in the world. A large amount of NO xcontaining waste gas is discharged during the steel production process, causing serious pollution and damage to the emission of NO x in the sintering and pelletizing processes in China accounts for % of the total emission .
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WEBSep 14, 2012 · Iron ore sintering in volves the movement of a flame front down a p articulate bed, and a se ries of phys. icochemical reactions over a large temperature range. In the li terature simple and ...
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WEBJul 28, 2023 · Sintering is an agglomeration process used in the iron and steel making industry. In sinter machine, the fine iron ore particles are agglomerated to form porous coarse particles by combustion of fuel [1,2,3,4,5].After agglomeration process in sinter machine, the hot sinter is crushed by the rotating breaker and transferred to the chute .
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WEBMar 6, 2024 · Proportioning is an important part of sintering, as it affects the cost of sintering and the quality of sintered ore. To address the problems posed by the complex raw material information and numerous constraints in the sintering process, a multiobjective optimisation model for sintering proportioning was established, which takes .
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WEBFeb 17, 2023 · The PI approach is also a pathfinding tool to achieve carbon neutrality and net zero. Intensifiion of the iron ore sintering process was approached by injecting hydrogenrich gas into the sinter bed. The loion of the injection was critical to the pyrolysis of the solid fuel, and the SOx and NOx emissions. After installing the injection ...
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WEBJul 25, 2016 · Similarly, in iron ore sintering process the heat utilization efficiency will reach to the maximum when the HTFS is equal to FFS. Here we employed the η, introduced in Section 2, to characterize the heat utilization efficiency (matching performance of HTFS and FFS) in iron ore sintering process.
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WEBOxygen enrichment is believed to improve productivity and reduce fuel consumption, while gas fuel injection is assumed to improve the product yield and quality in iron ore sintering process. It is important to understand the mutual effect of oxygen enrichment and gas fuel injection for combined usage of these two techniques. A mathematical model is .
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WEBJul 25, 2016 · DOI: / Corpus ID: ; Sinter strength evaluation using process parameters under different conditions in iron ore sintering process article{Cheng2016SinterSE, title={Sinter strength evaluation using process parameters under different conditions in iron ore sintering process}, .
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WEBSep 1, 2016 · Iron ore sintering process is the secondmost energyconsuming procedure in the iron making industry. The main energy for it is the combustion of coke, which consists primary of carbon.
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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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WEBJan 15, 2021 · The iron ore sintering process is one of the vital steps in an integrated steelmaking chain, the goal of which is to agglomerate iron ore fines into porous sinters with a high mechanical strength ...
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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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