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کنگره و نمایشگاه بین المللی معدن
جزئیات رویداد
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همایش ، رویداد ، ژورنال
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  • a comparison of numerical search methods for optimization of particle size classification process at esfordi phosphate plant

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    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 614
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     hydrocyclone is one of the most important equipments for efficient separation of fine particles in mineral processing industry. due to high usage of hydrocyclones in closed grinding circuits, optimization of these devices will directly affect the whole operation efficiency. finding the optimum steady-state values of hydrocyclone's design and operating parameters in order to achieve the process targets requires application of simulation and numerical optimization methods. in this paper, optimization of the primary hydrocyclone in ball milling circuit of esfordi phosphate plant was done by bmcs simulator in matlab environment. in this software, simulation of hydrocyclone is based on plitt's model which was used by ga and pattern search (ps) toolboxes in matlab software for solving the optimization problem. to search for optimum operating condition, first the target function was defined according to the desired particle size distribution of hydrocyclone underflow stream set by plant process engineers. then, repeated simulations of hydrocyclone operation were done by bmcs under matlab with automatic changing of input variables by ga and pattern search toolboxes. the search results are considered to be the optimum values of the variables. the results obtained from these methods showed that ga method is a more powerful tool than ps method to determine the optimum steady-state design for new or existing plants.

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