AN EVALUATION OF THE PERFORMANCE OF THE SAG MILL DISCHARGE GRATES OF THE SARCHESHMEH COPPER COMPLEX

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AZIMI EBRAHIM; BANISI S.; LANGARIZADEH GH.R.; DEHGHANI M.

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Journal: Year:2008 | Volume:42 | Issue:5 (115) Page(s): 565-575

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Title

AN EVALUATION OF THE PERFORMANCE OF THE SAG MILL DISCHARGE GRATES OF THE SARCHESHMEH COPPER COMPLEX

Author(s)

AZIMI EBRAHIM | BANISI S. | LANGARIZADEH GH.R. | DEHGHANI M. | Issue Writer Certificate

Keywords

DISCHARGE GRATESQ3

OPEN AREAQ3

SAG MILLQ3

Abstract

DISCHARGE GRATES are one of the most important parts of SAG MILLs. These grates prevent balls and unbroken ores from discharging the mill and they have a significant effect on the mill filling and size distribution of the discharge flow. To consider the effect of openings of the grates on the overall efficiency of the comminution operation, the variation of the grates shape and size were closely monitored for a period of 5600 hours at the Sarcheshmeh copper concentration plant. Using measured values the changes in the amount of OPEN AREA, the thickness of grates plates, the width of grates openings with respect to their radial position and grate plugging were determined. The results indicated that 1% increase in OPEN AREA causes 0.4% increase in the circulating load of the circuit. The useful operational time of the grates was found to be 5000 hours beyond which the efficiency decreases.

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APA: Copy

AZIMI, EBRAHIM, BANISI, S., LANGARIZADEH, GH.R., & DEHGHANI, M.. (2008). AN EVALUATION OF THE PERFORMANCE OF THE SAG MILL DISCHARGE GRATES OF THE SARCHESHMEH COPPER COMPLEX. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 42(5 (115)), 565-575. SID. https://sid.ir/paper/14308/en

Vancouver: Copy

AZIMI EBRAHIM, BANISI S., LANGARIZADEH GH.R., DEHGHANI M.. AN EVALUATION OF THE PERFORMANCE OF THE SAG MILL DISCHARGE GRATES OF THE SARCHESHMEH COPPER COMPLEX. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2008;42(5 (115)):565-575. Available from: https://sid.ir/paper/14308/en

IEEE: Copy

EBRAHIM AZIMI, S. BANISI, GH.R. LANGARIZADEH, and M. DEHGHANI, “AN EVALUATION OF THE PERFORMANCE OF THE SAG MILL DISCHARGE GRATES OF THE SARCHESHMEH COPPER COMPLEX,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 42, no. 5 (115), pp. 565–575, 2008, [Online]. Available: https://sid.ir/paper/14308/en

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