WEBNov 1, 2021 · The iron ore sintering experiment was carried out according to the standard process. After weighing, mix all the raw materials, pour them into a firststage drum for dry mixing for 1 min, then pour them into a secondstage drum and add water for wet mixing, which continues for 10 min.
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).
WEBNov 1, 2023 · Granulation is an important process in iron ore sintering to increase particle size for better permeability. In this study, the granulation of mixed iron ore, coke, and flux in a rotating drum is studied by the discrete element method. ... In the granulation process, water plays an essential role and is commonly used as a reactant to aggregate ...
WEBJan 26, 2014 · The appropriate content and distribution of sinter moisture play an important role in the granulation of iron ores. In this study, the effects of porosity, size distribution, and particle shape on the water absorption rate (WAR) of four types of iron ores were analyzed by using the immersion method and capillary water absorption method. In .
WEBJul 1, 1999 · Iron ore granulation process is simulated by the discrete element method to understand the dynamic behaviour of iron ore particles. The results show that the macroscopic particle flow transits from rolling regime to cascading regime after water addition, with the angle of repose of particles increasing and the level of particle size .
WEBNov 1, 2023 · Granulation is an important process in iron ore sintering. During this process, iron ore, coke, flux, and other raw materials are fed into the drum and mixed with water addition. The fine granular materials bond with each other under the action of capillary force and gradually grow with a certain size distribution.
WEBIn the integrated steel industries the sintering process plays an important role furnishing raw material to the blast furnace. In this work, a computational simulation of the sinter process is developed that is able to predict the most important phenomena within the sintering bed. ... Three dimensional mathematical model of the iron ore ...
WEBDec 29, 2022 · The roles of iron ore, fuel, fluxes, and moisture in sintering granulation are also analyzed, and finally advanced granulation equipment and processes for industrial production, as well as their ...
WEBMay 1, 2020 · 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 ...
WEBJul 19, 2019 · FeO so formed combines with SiO 2 and fluxes resulting in the formation of fluxed sinter.. The flexibility of the sintering process permits conversion of a variety of materials, including iron ore fines, captured dusts, ore concentrates, and other ironbearing materials of small particle size (, mill scale) into a clinkerlike agglomerate.
WEBNov 15, 2022 · Anthracite and coke are evenly coated by iron ore powder during the sintering raw materials granulation process. The granular sintering raw materials are loaded into the sintering machine, where the surface of sintering raw materials is ignited and sintered from top to bottom under the action of vertical airflow [24].As shown in Fig. .
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 ...
WEBJan 31, 2008 · The roles of iron ore, fuel, fluxes, and moisture in sintering granulation are also analyzed, and finally advanced granulation equipment and processes for industrial production, as well as their ...
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 .
WEBJan 1, 2023 · The good sinter parameters with the lower CO emission are % carbon content and % water in the sintering mixture. ... Iron ore sintering process is an important sector for iron and steel ...
WEBDescription of the sintering process Iron ore is prepared as a suitable feedstock for the blast furnace by sintering, an agglomeration process, depicted in Fig. 1. This process is energy intensive and produces a considerable amount of carbon dioxide from the combustion of solid fossil fuels.
WEBFeb 1, 2017 · Iron ore sintering is an important part during the ironmaking process, and a large amount of SO 2 is also generated. Our previous research shows that it is an effective way to reduce SO 2 content of flue gas by adding urea to a special sintering material zone position. In this paper, the mechanism of selective desulphurization by adding urea .
WEBMoisture, wt.% <15 [50, 95 ... Temperature distribution in layer of the iron ore sintering process is one of the most important factors to decide the sinter quality. ... which play a crucial role ...
WEBJan 30, 2019 · The hightemperature characteristics of iron ores play important roles in optimizing ore proportion of sintering, which are tested by using ironore fines and analytical reagent CaO as raw materials. Two calculation methods of CaO addition amount based on binary basicity (basicity method) and n(Fe2O3)/n(CaO) (mole ratio method), .
WEBAug 1, 2019 · In this study, the optimisation model of fuel distribution base on numerical simulation was proposed to reduce the fuel consumption of sintering process. The simulation model of sintering process was carried out according to the heat and mass transfer, and the physical and chemical reactions of sintering. Then the heat income .
WEBJun 10, 2022 · For the dusts which contain relatively high contents of iron, carbon, and calcium and low contents of impurities, they can be used directly as raw materials to partially replace iron ore, fuel, and/or flux to produce sinter by a traditional process, named iron ore sintering, for blast furnace (BF) ironmaking [9, 10]. At present, in China ...
WEBMar 1, 2023 · During cosintering, at least %, % of dioxins brought in by FA, WFA was decomposed during iron ore sintering, respectively, and resynthesis with a significant distribution characteristic ...
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