WEBJul 28, 2018 · Abstract. At the end of the openpit mining process in large metal mines, the mining model must change from openpit mining to underground mining, but the mutual interference between the two mining models leads to poor production safety conditions and difficulties in production convergence during the transition period.
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WEBJan 31, 2014 · An optimization model for the fuel distribution of the material layer with mechanism models and algorithms is presented, which can reduce the fuel ratio of ore blending and enhance the fuel ...
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WEBAug 1, 2023 · To further realize the optimization of fuel distribution, Zhao et al. [20] and Huang et al. [24] established the optimization model of solid fuel ... influence of fuel distribution optimization on the sintering process of iron ore with biochar substitution. ... are reserved, including those for text and data mining, AI training, and similar ...
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WEBJan 8, 2021 · In order to acquire the maximum gold recovery, the optimization of the proposed model was done by design expert software. Among 94 solutions for the optimization of the model, the results indied that the predicted maximum amount of % could be achieved with pH, M of NaCl, and M of Ca(OCl) 2 with .
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WEBDec 1, 2018 · The thermal state parameter (TS) is put forward to describe the stability of sintering state, and the evaluation model based on random forest algorithm was built. The novel softmeasuring models realizes the transparency of sintering bed and they have great significance for improving the optimal control of sintering. 2.
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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 operators to identify .
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WEBSep 1, 2016 · Request PDF | Modeling and optimization method featuring multiple operating modes for improving carbon efficiency of iron ore sintering process | Iron ore sintering is one of the most energy ...
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WEBMineral processing faces intrinsically complied processes and recirculating loads. Production can often be disturbed by unexpected events and recurrent maintenance operations. Today's mines must also process more complex ores due to declining ore grades. All of this adds up to complied process operations. We can provide a better .
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WEBMining method selection is one of the most important decisions to be made by mining engineers. To solve the decisionmaking problem regarding selection of the optimal longwall mining method for thin.
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WEBMine Design of Laterite Nickel Ore Based on Pit Limit Optimization with Floating Cone Method at Meranti Pit of PT Ang and Fang Brother. Jurnal Geocelebes, 7(1):64–76, doi: / also has eight mining fronts; six fronts are in the mining process and two other fronts have not been mined yet including Front 8.
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WEBNov 18, 2018 · Reconciliation of geological, mining and mineral processing information is a costly and time demanding procedure with high uncertainty due to incomplete information, especially during the early stages of a project,, prefeasibility, feasibility studies. Lack of information at those project stages can be overcome by applying synthetic data for .
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WEBOct 1, 2019 · Based on the energy flow analysis of coking, sintering and blast furnace ironmaking process, Lingen Chen et al. [12] established an optimization model for iron ore matching, in which energy consumption, CO 2 emission and cost minimizations are taken as optimization objectives. Chengchi He et al. [13] established a sintering .
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WEBSep 1, 2020 · For the deposit investigated, it was found that the mine is likely to generate final product of MT of Lump Ore (+ 10 mm − 150 mm) and Fines Ore MT (− 10 mm) during the life of the ...
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WEBMar 1, 2020 · The contributions of the paper are: (i) The method based on the time series data clustering proposed in this paper has a better recognition performance than the operating mode recognition method based on the data point clustering proposed in Moon et al. (2009) and fully considers the time series characteristics of the sintering process; .
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WEBMar 29, 2021 · Ore blending is an essential part of daily work in the concentrator. Qualified ore dressing products can make the ore dressing more smoothly. The existing ore blending modeling usually only considers the quality of ore blending products and ignores the effect of ore blending on ore dressing. This research proposes an ore blending modeling .
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WEBSep 1, 2021 · Section snippets Outline of sintering process. Iron ore sinter is an ordinarily utilized ironbearing burden in BF ironmaking unit. The sintering agglomeration procedure aims to form high strength sinter including granulating of the mixed materials, distributing the granulated materials and then igniting the fuels (coke or coal), sintering the iron .
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WEBMar 6, 2024 · Proportioning is an important part of sintering, as it affects the cost of sintering and the quality of sintered ore. To address the problems posed by the complex raw material information and numerous constraints in the sintering process, a multiobjective optimisation model for sintering proportioning was established, which takes the .
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WEBMay 1, 2019 · The blending problem is a common research problem in mining and smelting industry. The expression of the blending problem is that different components need to be determined in proportion or ...
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WEBApr 15, 2020 · Flash ironmaking technology is a technique that directly reduces inflight iron ore particles (particle size <100 μm) using a gas reductant. It was developed as an alternative to traditional ironmaking technology with the aim of decreasing energy consumption and CO 2 emissions in the ironmaking process. During the flash .
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WEBMay 29, 2011 · A 3D mathematical model was presented for the cooling process of iron ore pellets based on the laws of mass, momentum, and heat transfer. The flow, pressure, and temperature fields were obtained by numerical simulation with the commercial software FLUENT. In order to verify the model, a mass and energy balance field test was .
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WEBAug 1, 2022 · The mixture in the granulation experiment is composed of fine ores, concentrates, coke breeze, returns and quicklime. The mixing scheme is listed in Table, when the blend is dominated by hematite, the coke powder content is less than 5%, and the coke powder content is raised with the addition of limonite. in this work, the .
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WEBFeb 12, 2024 · The article employed the Mathews stability chart method to calculate the ultimate width of the mining fields in the Halazi iron ore mine. In addition, Flac 3D was used to simulate and analyze the mining process under different field widths, obtaining the response characteristics of corresponding mechanical indiors. Finally, based on the ...
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WEBOct 26, 2020 · In the magnetite iron ore pelletization process, oxidation of magnetite followed by sintering of the oxidized magnetite (hematite) is desirable. Optimum preheating time temperature and roasting time temperature is required to get the desired properties of the pellets with magnetite, hematite, and hematite–magnetite blend. In order to utilize .
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WEBTailoring the blast designs according to ore type and process optimization increased the throughput of all process lines. This provided the potential to shut down one of the five processing line, aligning the mine and plant capacity and significantly reducing the processing costs. Keywords: MinetoMill; Integrated strategies; Iron ore.
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WEBJul 7, 2021 · The total iron concentration decreased rapidly during the first 3 h of leaching and then plateaued (Figure Figure5 5). This change was driven by the reduction of Fe 3+ to Fe 2+ early in the leaching process. One hypothesis is that when the ore was added to the solution, the pH rapidly increased to around 4, and iron precipitated as Fe(OH) 3 ...
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WEBOct 14, 2019 · The present paper proposes a model that tools use of metaheuristic and simulation tools contributing to the models found in the specialized literature to solve the problem of open pit mining ...
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