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 .
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 ...
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).
WEBLimestone or quicklime is a necessary flux in the iron ore sintering process. Its production and appliion process will cause CO 2 emissions and various environmental pollution, but this has not attracted enough attention. Carbide slag (CS) is a calciumrich solid waste produced in acetylene production, the harmless disposal of which is still incomplete, .
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 .
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 .
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.
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 ...
WEBJun 1, 2021 · Recovery of highpurity NO 2 and SO 2 products from ironore sintering flue gas by distillation: process design, optimization and analysis
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 .
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 .
WEBJan 24, 2020 · Aiming at reduction of carbon and nitrogen oxides emission in Iron ore sintering process and increasing of sintering productivity, a new technology of doublelayer presintering has been developed.
WEBDec 1, 2023 · As a preprocessing of blast furnace ironmaking, the iron ore sintering process accounts for 6–8% of the total energy consumption in the steel industry. About 75–80% of energy consumption is provided by coke, anthracite and other fossil fuels [8]. Using cleaner and more efficient fuels to replace fossil fuels such as coke and anthracite .
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 ...
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}, .
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 ...
WEBJun 1, 2016 · This study introduces a comprehensive 1D mathematical model of the iron ore sintering process by considering FGRS technology. This multiphase theorybased model considers most of the primary phenomena that occur in the sintering process, including the nine kinds of major gas–solid and gaseous reactions.
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.
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 ...
WEBOct 1, 2022 · In this case, the iron ore sintering process serves as the first step in the ironmaking process and provides the main raw material for the blast furnace. The sintering process consists of the following three phases (Er et al., 2000). First, the raw materials including iron ore, coke, coal, quick lime, returned sinter, and other additives are ...
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 .
WEBMay 5, 2015 · A system dynamics model for ironflow in sintering process is built at relatively macroscopic level using the methods of causal loop diagrams and stockflow diagrams. The simulation results are accurate. The applicability of system dynamics to the study of steel manufacturing process, as well as the validity of the modeling and .
WEBJul 1, 2020 · 1. Introduction. An iron ore sintering process is the secondmost energyconsuming process in the ironmaking industry. The iron ore mix, coke, and solvent are taken as raw materials for the production of sinter with certain physical strength and chemical compositions (Lu, 2015).The combustion of carbonbased fuel (coke in this .
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 .
WEBA key energy consumption in steel metallurgy comes from an iron ore sintering process. Enhancing carbon utilization in this process is important for green manufacturing and energy saving and its prerequisite is a timeseries prediction of carbon efficiency. The existing carbon efficiency models usually have a complex structure, leading to a time .
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