Optimization of key link parameters and mechanism of the jet-stirring synergistic column flotation method

• Autorzy: Wang Lingling , Zhu Jinbo , Zhou Wei , Wang Haoyu , Wang Shujie

Identyfikatory

DOI

10.37190/ppmp/193961

• Języki publikacji: EN

Abstrakty

EN

In recent years, with the deepening of the degree of coal mining and the improvement of the mechanization and intelligent level of coal dressing, the proportion of fine and micro-fine coal production has been increasing. Micro-fine grade separation has gradually become an important research direction in coal washing industry. This paper is based on a novel jet-stirring synergistic column flotation method, which integrates jet-impact mixing, impeller mixing, and dispersion into the structure of a column flotation tank. By combining with existing research foundations, we construct a corresponding physical model and conduct optimization studies on key parameters related to jetting, impeller mixing, and mechanism. The resulting fundamental theory provides clear insights for the engineering application of this innovative flotation technology. The effects of jet-stirring synergy on bubble adsorption and reagent adsorption were studied, and the flotation effect of the new flotation technology was experimentally verified, laying a theoretical foundation for the industrial application of the device.

Słowa kluczowe

EN

coal slurry flotation; flotation unit; jet-stirring synergy; parameter optimization

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2024
• Tom: Vol. 60, iss. 5
• Strony: art. no. 193961
• Opis fizyczny: Bibliogr. 28 poz., rys., tab., wykr.

Twórcy

autor

Wang Lingling

• School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

autor

Zhu Jinbo

• School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

autor

Zhou Wei

• School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

autor

Wang Haoyu

• School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

autor

Wang Shujie

• School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

Bibliografia

• BU, X., ZHOU, S., SUN, M., et al, 2021. Exploring the relationships between gas dispersion parameters and differential pressure fluctuations in a column flotation. ACS omega, 6(34): 21900-21908.
• GE, S.R., WANG, B., FENG, H.H., 2023. Dynamic Carbon Neutral Modelling of Coal-Based Energy Sources and Assessment of Their Carbon Reduction Benefits in Supply Conservation. Chinese Academy of Engineering Sciences, 25(05):122-135.
• GUO, J., LI, W.M., Y, X.Y., 2015. Analysis of world coal resources supply and demand. China Coal, 41(12):124-129.
• HAN, Y., ZHU, J., SHEN, L., et al, 2019. Bubble size distribution characteristics of a jet-stirring coupling flotation device. Minerals, 9(6): 369.
• HUANG, G., XU, J.Q., LI, K.Z., et al, 2022. Mechanism of fine-grained coal slurry flotation enhanced by slurry conditioning. Coal Journal, 47(S1):246-256.
• LI, Y.J., CUI, G.W., WANG, J.Q., 2010. Current status and development of coal slurry flotation chemicals. Coal Processing Technology, (05):68-70+6.
• LI, J.H., MA, L.Q., CHENG, G., et al, 2014. Research Progress of Coal Slurry Flotation and Slurry Conditioning Technology and Equipment. Coal Engineering, 46(09):109-111+115.
• LI, S., WANG, Y., LU, D., et al, 2020. Improving separation efficiency of galena flotation using the Aerated Jet Flotation Cell. Physicochemical Problems of Mineral Processing, 56(3): 513-527.
• LI, M., XU, M.D., JIN, W., 2019. Experimental study of the effect of diesel oil on the stability of flotation froths. Coal Journal, 44(06):1876-1882.
• MIAO, X.X., QIAN, M.G., 2009. Research Status and Prospect of Green Mining of Coal Resources in China. Journal of Mining and Safety Engineering, 26(01):1-14.
• NATIONAL BUREAU OF STATISTICS., 2024. Statistical Bulletin of the People's Republic of China on National Economic and Social Development, 2023.
• SAFARI M., HOSEINIAN F S., DEGLON D., et al, 2020. Investigation of the reverse flotation of iron ore in three different flotation cells: Mechanical, oscillating grid and pneumatic. Minerals Engineering, 150: 106283.
• SCHWARZ M P., KOH P T L., WU J., et al, 2019. Modeling and measurement of multi-phase hydrodynamics in the Outotec flotation cell. Minerals Engineering, 144: 106033.
• SHI, W.D., YE, Z.M., LIU, J.R., et al, 2006. Numerical simulation of the inlet flow field of a new jet self-priming pump. Journal of Agricultural Machinery, (10):50-52+61.
• SUN, X.D., ZHANG, B., PENG, S.P., 2020. Research on the development trend and strategic countermeasures of China's clean coal technology 2035. Chinese Academy of Engineering Sciences, 22(03):132-140.
• WANG, H.N., 2019. Study on energy distribution and bubble dispersion characteristics of annular jet flotation device. Anhui University of Science and Technology.
• WANG, S.M., SHEN, Y.J., SONG, S.J., et al, 2023. Changes in the status of coal energy and green low-carbon development under the "dual-carbon" target. Coal Journal, 48(07):2599-2612.
• WANG, C., WANG, C., YU, A., et al, 2021. Effect of closure characteristics of the annular jet mixed zone on inspiratory performance and bubble system. Processes, 9(8): 1392-1392.
• WANG, H., YANG, W., YAN, X., et al, 2020. Regulation of bubble size in flotation: A review. Journal of Environmental Chemical Engineering, 8 (5): 104070.
• XIA, Y., RONG, G., XING, Y., et al, 2019. Synergistic adsorption of polar and nonpolar reagents on oxygen-containing graphite surfaces: Implications for low-rank coal flotation. Journal of Colloid and Interface Science, 557: 276-281.
• XU, H.X., YU, P., TIAN, H., et al, 2023. Current status and outlook of the research and application of the jet pulping method. Coal Technology, 42 (02): 229-232.
• YANG, Y.B., QU. J.Z., ZHU, Z.Q., 2021. Progress of whole-process treatment technology for difficult-to-settle coal slurry water. Clean Coal Technology, 27(05):106-114.
• YUAN, L., 2017. Scientific Concept of Precision Coal Mining. Journal of Coal, 42(01):1-7.
• ZHANG, B., PENG, S.P., WANG, D., et al, 2019. Research on the Strategic Path and Countermeasures for Building a Strong Coal Resource Country. Chinese Academy of Engineering Sciences, 21(01):88-96.
• ZHANG, Y.S., DONG, T., XIAO, Y., et al, 2021. Current status of China's energy production, consumption and energy storage and the trend of change under carbon-neutral conditions. Science Bulletin, 66(34):4466-4476.
• ZHOU, M., 2023. Analysis of the Transformation and Development of China's Coal Industry under the Background of "Dual Carbon". Coal Economic Research, 43(08):52-59.
• ZHOU, W., 2019. Optimization of slurry flow field by jet and study on the mechanism of action of the collector in slime region. Anhui University of Science and Technology.
• ZHU, Y.M., 2022. Advances in Flotation Pharmaceuticals 2021. Non-ferrous metals (mineral processing component), (02):1-15ZHU, H., ZHU, J., VALDIVIESO A L., et al, 2019. Study on flow behaviour in the Short-Throat-Jet type flotation machine. Current Science, 116(4): 592-596.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).