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| Production practice of grate-lifter at discharge end of SAG mill in Dongguashan Copper Mine |
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Received:May 22, 2020
Revised:July 05, 2020
Accepted:July 06, 2020
Published Online:January 29, 2021
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| DOI： |
| KeyWord:SAG mill; grate; lifter; treatment capacity; production practice |
| Author | Institution |
| Deng Hemiao |
Dongguashan Copper Mine,Tongling Nonferrous Metals Group Co Ltd,Tongling |
| Kang Huaibin |
Dongguashan Copper Mine,Tongling Nonferrous Metals Group Co Ltd,Tongling |
| Yang Guojun |
Jiangxi Naipu Mining machinery New Materials Co,Ltd,Shangrao |
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| Abstract: |
| In order to further improve the treatment capacity and the problems of radial grate-lifter of Ф8.53 m×3.96 m SAG mill in Dongguashan Copper Mine, The grate-lifter performances was optimal designed based of the radial and curved performances contrast，which was based on the discrete element simulation analysis results. The practical results show that: Compared with radial e-lifter, the unit consumption of semi self grinding steel ball decreased by 17.43%，simultaneously，the treatment capacity of curved grate-lifter was increased by 8.33% and the power was decreased by1.45% when ore was difficulty grinding，and the treatment capacity of curved grate-lifter was increased by 5.45% and the power was decreased by4.01%, it had the characteristics of smooth ore discharge and high ore discharge efficiency, besides, It had obvious advantages in improving processing capacity and reducing power. |
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