WEBFeb 16, 2023 · The iron ore sintering process results in significant VOC emissions owing to the mixed combustion of fossil fuels, iron ore, and coke . Especially in typical iron and steelproducing cities such as Tangshan and Handan, iron ore sintering processes account for –% of the national VOC emissions [11,12]. In response to the large .
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WEBOct 26, 2023 · Amongst various processes used in agglomeration, sintering and pelletization are widely used in the iron ore industries. About 70% of the blast furnace feed is reporting from the sintering processes. The objective of iron ore agglomeration is to generate a suitable product of granules in terms of thermal, mechanical, physical, and .
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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 ...
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WEBNov 10, 2022 · Hydrogenrich gas and steam are widely regarded to be of great potential to mitigate CO 2 emissions in iron ore sintering, these gases can regulate heat distribution in the sintering machines by replacing fossil fuels. However, most sintering machines only use one of the gases as the injecting medium, the potential of this technology has not .
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WEBJan 19, 2018 · For a long time, the research of ore blending based on high temperature properties of iron ore have been commonly conducted [1, 2].However, the assimilation properties and flow properties of iron ore are mostly evaluated by the minimum assimilation temperature [] and the liquidity index [], which was seldom considered the sintering .
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WEBJun 8, 2023 · Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy ironbearing raw material used for blast furnace ironmaking. ... include circular type and band type, of which the band type sintering machine is the most widely used. Band type sintering machine has high singleunit .
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WEBJan 22, 2014 · The char obtained from car tires could be a potential substitute for some of the coke breeze used in the iron ore sintering process. However, the Zn and S content of the char is a major ...
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WEBJul 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 ...
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WEBJan 1, 2015 · Factors affecting dioxin emissions from iron ore sintering machines have been investigated by means of sinter pot tests (Nakano et al., 2009). The bed height, coke content, gas velocity, and afterburner were found to have insignificant effects. However, dioxin emissions were found to increase as the hearth layer increased and the distance .
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WEBAug 16, 2023 · The iron ore sintering, as an essential raw material treatment process of blast furnace, mainly uses coke or anthracite as a heat source and emit a large amount of greenhouse gas (Annual Conference on Sintering Pelletizing Technology, 2022), which is not consistent with the current environmental protection requirements.
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WEBAug 1, 2014 · Iron ore sintering is an important industrial source of dioxin (PCDD/Fs), and the mechanism of generating dioxins in sintering process is very complex.
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WEBJul 1, 2020 · Sintering, a primary way to make highquality artificial iron ore from lowgrade iron ore, has received widespread attention. Sintering is a thermal agglomeration process, which involves several chemical–physical reactions (Chen et al., 2020). Burnthrough point (BTP) is a parameter with significant meaning in the iron ore sintering process.
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WEBJun 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 .
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WEBAug 2, 2017 · Definition of CCR. In this study, we use the CCR [4], [5], [19] to evaluate the carbon efficiency of an iron ore sintering process. It was defined to be (1) C C R = m c / m s (kg / t), where m c is the amount (kg) of coke in the raw mix and m s is the amount (t) of sinter produced. So, the CCR can be reduced by decreasing m c and/or increasing m .
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WEBJan 1, 2014 · Iron ore sintering is a critical process in iron and steel production. It produces qualified sinter for the blast furnace [1]. The process is complex and nonlinear, and many of the process factors are coupled. ... Due to technological constraints, most sintering machines in iron ore sintering plants have an effective area of 360 ...
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WEBSep 25, 2023 · The iron ore sintering, as an essential raw material treatment process of blast furnace, mainly uses coke or anthracite as a heat source and emit a large amount of greenhouse gas (Annual Conference on Sintering Pelletizing Technology, 2022), which is not consistent with the current environmental protection requirements.
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WEBDec 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.
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WEBFeb 1, 2024 · A device for loosening sintering bed was applied for the sintering machine. Also, the iron ore matching structure was adjusted according to the granulation bonding property index of iron ores. ... Wang YZ, Zhang JL, Liu ZJ et al (2017) Recent advances and research status in energy conservation of iron ore sintering in China. JOM 69(11)
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WEBJun 1, 2021 · Iron ore sintering process. A sintering machine with 24 bellows is considered as a case study. The iron ore sintering process is shown in Fig. 1, which transforms raw materials (iron ore, fluxes, coke, and returning sinter ore) into sinter ore. The production sequence is divided into proportioning, mixing, granulating, feeding, .
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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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WEBFeb 17, 2021 · At present, only imported iron ore fines are used in Jingtang sintering plant. And it is hard to control the particle size of imported iron ores. Different iron ore fines are mixed properly before charged to sintering machine. It is an important means to solve this problem to seek the particle size matching between solid fuel and iron ore fines.
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WEBJun 1, 2021 · Table 4 gives the economic assessment in terms of treating m 3 /h desorbed gas from 1 million m 3 /h typical ironore sintering flue gas based on a 435 m 2 sintering machine in Handan Iron and Steel Co., Ltd. The total fixed capital investment for the distillation unit (2, thousand USD) includes raw materials, equipment, design .
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WEBOct 1, 2020 · The ultimate goal of the iron ore sintering process is to maximize the sinter productivity, strength, and reducibility (which are related to the energy consumption in the ironmaking process), and to minimize the energy consumption and environmental impacts.
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WEBSep 1, 2022 · The sintering machine is an essential piece of equipment in the long flow, ... Insight into a novel technique to regulate the emission profile of hazardous PM during iron ore sintering process. Process Saf Environ Protect, 133 (2020), pp. 8896, /
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WEBApr 30, 2015 · Iron ore sintering is used all over the world to prepare agglomerates for the ironmaking blast furnace (Chen et al., 2016;Abreu et al., 2015; Zhao et al., 2015). It consists of an agglomeration ...
WhatsApp: +86 18203695377![[PDF] Appliion of deep learning in iron ore sintering process: a ...](/kd8ezfh/41.jpg)
WEBMar 16, 2024 · A comprehensive summary and conclusion of deep learning models for intelligent sintering were presented after reviewing the sintering process and deep learning models in a large number of research literatures to explore the appliion prospects of deep learning techniques in iron ore sintering. In the wake of the era of .
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WEBSep 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 ...
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