WEBMay 1, 2020 · The sintering process of iron ore in a middle size sintering machine was analyzed using a multiphase mathematical model. New alternatives for replacing the fossil fuel coke breeze used at the sinter plant of integrated steelworks were considered in this paper. The model was used to investigate feasible and stable operations of the sinter .
WhatsApp: +86 18203695377WEBSintering or frittage is the process of compacting and forming a solid mass of material by pressure [1] or heat [2] without melting it to the point of liquefaction. Sintering happens as part of a manufacturing process used with metals, ceramics, plastics, and other materials. The nanoparticles in the sintered material diffuse across the ...
WhatsApp: +86 18203695377WEBAug 19, 2020 · Figure shows the main parts of an iron ore sintering plant (Dwight–Lloyd machine). Despite at first instance the agglomeration of ores has imposed as a process required in the iron extractive metallurgy, this process has changed with the time until becoming in the main instrument to recycle in both the ironmaking and the .
WhatsApp: +86 18203695377WEBJan 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 ...
WhatsApp: +86 18203695377WEBDec 1, 2020 · The iron ore sintering process has always attracted interest of researchers due to its complexity, large timedelay, coupling, and nonlinearity. ... The DwightLloyd sintering machine is currently the mainstream sintering equipment, one of which is taken as a study case with an area of 360 m 2 and 24 bellows.
WhatsApp: +86 18203695377WEBExperimental Figure 6 shows the pot sintering machine with three loions of temperature measurement as used in the Giri and Roy Mathematical modelling of the iron ore sintering process 5 Schematic view of interaction between GA and sinter model present investigation.
WhatsApp: +86 18203695377WEBJul 19, 2019 · The coke breeze supplies the necessary process heat. Iron ore sintering is the second most energyconsuming process in iron marking, and the main energy consumption comes from the combustion of carbon (Hu et al. 2019). Coke breeze is intimately mixed with moistened ore fines, limestone/dolomite, and industrial wastes like .
WhatsApp: +86 18203695377WEBDec 24, 2019 · The iron ore fines (− 10 mm) are agglomerated using Dwight Lloyed sintering machine. The iron ore fines and coke breeze fines mix with moisture is fed on the sinter bed which is ignited by a gas burner to initiate sintering process. The hot sintered ore is discharged at the end of the machine. The energy consumption in sinter plants in .
WhatsApp: +86 18203695377WEBApr 6, 2016 · In this review, the sintering process is first described and analyzed to identify the key factors affecting the structure and quality of iron ore sinter. Under fixed sintering conditions, the ...
WhatsApp: +86 18203695377WEBJan 16, 2018 · The document discusses sinter making technology used in iron ore mining. It describes how iron ore fines generated during mining cannot be directly charged in blast furnaces due to size restrictions. Sintering is used to agglomerate the fines into a porous mass that meets size requirements. The key steps in sinter making include: 1) raw ...
WhatsApp: +86 18203695377WEBNov 1, 2019 · Strand speed of sintering machine [m s −1] w i,j. Mass fraction of the jth size fraction in the ith layer [−] ... In most integrated steel industries, the unit of iron ore sintering plays an important role in supplying blast furnace with highstrength and highreducibility ferrous feed. Sinter making is a continuous process in which a ...
WhatsApp: +86 18203695377WEBJun 4, 2024 · The iron oxide (FeO) content had a significant impact on both the metallurgical properties of sintered ores and the economic indiors of the sintering process. Precisely predicting FeO content possessed substantial potential for enhancing the quality of sintered ore and optimizing the sintering process. A multimodel integrated .
WhatsApp: +86 18203695377WEBJun 13, 2019 · Silicoferrite of calcium and aluminum (SFCA) is one of the most commonlyproduced phases in fluxed ironore sintering, and has long been regarded as an important bonding phase in industrial sinters. It is thus considered to have a significant effect on sinter quality. In this study, a solid solution model and database has been developed for the .
WhatsApp: +86 18203695377WEBAbstract 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 formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations. The model .
WhatsApp: +86 18203695377WEBJul 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}, .
WhatsApp: +86 18203695377WEBSep 19, 2017 · The air leakage in sintering machines affects the technological and economic indexes of the sintering process. ... Iron ore sintering process is the main CO2 emission source throughout the ...
WhatsApp: +86 18203695377WEBIron ore sintering consists of heating a layer of fines until partial melting occurs and individual ore particles fuse together. For this purpose, a travelinggrate machine is used, and the burning of fine coke (known as coke breeze) within the ore generates the necessary heat. Before being delivered to the sinter machine, the ore mixture is ...
WhatsApp: +86 18203695377WEBJul 15, 2022 · Iron ore sintering is a basic agglomeration process providing sinter for blast furnaces. The sintering mixture (ironcontaining raw materials, fuel, flux, return ore, etc.) is mixed with an appropriate amount of water and then paved on the sintering machine trolley after granulation. After the surface of the sintering material is ignited, the ...
WhatsApp: +86 18203695377WEBDec 15, 2021 · The basic purpose of sintering is to agglomerate iron ore fines into useful blast furnace charge material. In the early 20th century, sintering technology was developed for gainful use of iron ore fines, which was considered a waste material not suitable for use in the blast furnace.
WhatsApp: +86 18203695377WEBAug 23, 2023 · Superhigh bed sintering process is an important development direction of iron ore sintering for its lower emission and higher yield. However, there is a lack of deep understanding of the uneven quality of superhigh bed sintering products, and the deterioration of reduction disintegration performance, the thickening of hearth layer and .
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