WEBOne 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, 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 ...
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 ...
WEBMar 1, 2019 · The iron ore sintering, an energyintensive industry, contributes to large emissions of Volatile Organic Compounds (VOCs) due to its high dependence on fossil fuels. The emissions of VOCs from the iron ore sintering process have been ignored until now, despite the welldocumented atmospheric and human health hazards associated .
WEBFeb 28, 2022 · The present work proposes a novel process to sinter porous iron ore (porosity ~23–24%) with enhanced productivity and quality. The iron ore is preprocessed in the presence of calcined lime for the temporary closure of pores, which further prevents water absorption during the granulation process in drum in the presence of water. The .
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 ...
WEBJan 17, 2019 · The present work aims to propose a prediction model for the iron ore sintering characters. A hybrid ensemble model combined the extreme learning machine (ELM) with an improved ...
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 ...
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 ...
WEBApr 2, 2010 · Iron ore sintering is a material preparation process employed worldwide in the production of iron and steel. According to statistical data on pollution, sintering plants rank second in terms of toxic emissions, after the incineration of municipal solid waste (Menad et al., 2006; Remus et al., 2013 ). Of the eight CORINAIR (Core Inventory of Air ...
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 .
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 ...
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 identify the key steps of the process, that is, granulation and thermal densifiion. Discussion is then focused on the effect of the chemical, physical ...
WEBJan 1, 2012 · 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 ...
WEBJan 20, 2017 · In the iron ore sintering process, to optimize two key parameters, the burning through points and the bunkerlevel, an multiobjective optimal control method is presented based on fuzzy ...
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 ...
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.
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 ...
WEBSince FeO in the sintered ore is determined by the sintering reaction, it can be controlled by changing the operating conditions. When the content of Al2O3 in the raw sinter mixture was lower than %, RDI increased by % with .
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 .
WEBMay 1, 2017 · Iron ore is the main responsible material for emissions of trace elements during sintering as it undergoes a series of physicochemical transformations throughout the process. In general, trace elements may remain in the solidstate, volatilize during combustion and recondense in the cleaning system, or remaining in the gaseous state .
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 .
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