WEBDec 1, 2018 · The softmeasuring model of thermal process established is applied in a sintering field of Chinese iron and steel plant. The setting value of TRP, BRP and BTP of the sintering machine was 28 m, 33 m and 39 m respectively, according to the data analysis of exhaust gas temperature in stable sintering state.
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WEBJun 1, 2021 · 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 .
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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.
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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.
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WEBApr 11, 2017 · The mechanism of arsenic removal during a sintering process was investigated through experiments with a sintering pot and arsenicbearing iron ore containing arsenopyrite; the corresponding chemical properties of the sinter were determined by inductively coupled plasma atomic emission spectrometry (ICPAES), X .
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WEBThe iron ore sintering process is the main source of VOCs emission in the iron and steel industry, and its VOCs emission accounts for about % . The organic compounds in the solid fuel and the oil components from the raw materials such as rolling oily sludge are pyrolyzed in the preheating layer (150–900 °C) to produce VOCs [ 9, 10 ].
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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 ...
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WEBJul 25, 2016 · 1. Introduction. The integrated iron and steel industry is the most energyintensive sector, accounting for 10–15% of the total energy consumption in the world [1].In 2009, the CO 2 emission from Chinese iron and steel sector is nearly equal to 50% of the world's steel industry's CO 2 emission [2].It is aimed at converting iron ore fines to .
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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 .
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WEBMay 1, 2021 · Abstract. Tumble Strength (TS) of iron ore sinter, affected by numerous factors, is considered as a vital performance to assess sinter quality for blast furnace (BF) ironmaking. For the sake of ...
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WEBNov 14, 2016 · Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slagforming elements and coke. ... achieving an adequate sintered product depends on the adequate raw materials supply and the previous stage to the sintering process, granulation. For that reason, in this paper, the granulation process .
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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 ...
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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 ...
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WEBSep 1, 2016 · Abstract. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves of traditional high grade iron ore, there have been considerable changes in iron ore resources available throughout the world, especially in steel mills in East Asia.
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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 .
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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 ...
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WEBJan 31, 2014 · For conventional iron ore sintering process, improving the raw materials is a practical measure to enhance production indices, and many researches have studied the issues of ore blending or ...
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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 ...
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WEBOct 1, 2023 · The iron ore sintering process is a critical step in ironmaking, where finegrained raw materials are transformed into porous yet solid and cohesive mass known as sinter. The sintering process usually converts lean iron ore into rich iron ore, which provides uniform and homogeneous raw material for blast furnace [1], [2], [3] .
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WEBJan 1, 2008 · The sintering of iron ore in the laboratory scale reactor provided a reasonable representation of the plant scale process in terms of combustion characteristics. Comparison of results with an inert bed of alumina and with iron ore mix emphasised the need to carry out simulations with sinter mix rather than an inert substitute.
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WEBAug 16, 2023 · Applying hydrogenrich energy such as natural gas to replace coal/coke in the steel industry can efficiently mitigate CO 2 emissions and accelerate the process of carbon neutrality. Gas injection sintering technology has been widely used in industry for more than ten years, but the replacement ratio of solid fuels by hydrogenrich gas has .
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WEBMay 3, 2024 · Section snippets Materials. The coal gangue (CG) used in this study was sourced from Shijiazhuang, Hebei. The CG blocks were subjected to drying in an oven at 90 °C for 24 hours, and ground for hours after drying, with an average particle size of μm and a specific surface area of 505 m 2 /kg after grinding. The iron ore tailings .
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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 ...
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WEBDec 1, 2023 · Iron ore sintering is one of the key steps in the ironmaking process, where granulated pellets are transformed into sinter in the sintering machine, providing an ideal raw material for ironmaking ...
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WEBAug 1, 2013 · Sintering is a process where a mixture of ore, flux and coke is agglomerated (agglomerated) in the sinter plant to produce suitable sintered products in terms of composition, quality and ...
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WEBMar 1, 2018 · For the iron ore sintering process, Hu et al. [6] [7] proposed two kinds of ensemble learning models based on least squares support vector machine (LSSVM) for realtime prediction of carbon ...
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WEBDec 1, 2012 · The iron ore sintering process is a key technology in the steel industry due to its possibility of recycling waste solids or powders internally produced during the raw materials handling or ...
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WEBImproving Efficiency in Iron Ore Sintering. VDEhBetriebsforschungsinstitut (BFI) is one of Europe's leading research institutions in the development of iron and steelmaking technology. As steel production entails a lengthy chain of processes, improvements in quality and efficiency are often the focus of their research. A significant step in ...
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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