A full-scale centrifugal mill
As part of its programme to develop methods for concentrating minerals underground, the Chamber of Mines of South Africa in conjunction with Lurgi evolved and tested a 1 MW centrifugal mill. The machine is capable, in the autogenous mode, of grinding more than 25 t/h of minus 75 plus 44 mm hard quar...
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| Veröffentlicht in: | Journal of the South African Institute of Mining and Metallurgy 1982-06, Vol.82 (6), p.149-156 |
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| container_end_page | 156 |
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| container_issue | 6 |
| container_start_page | 149 |
| container_title | Journal of the South African Institute of Mining and Metallurgy |
| container_volume | 82 |
| creator | Lloyd, P.J.D., Bradley, A.A., Hinde, A.L., Stanton, K.H. & Schymura, G.K. |
| description | As part of its programme to develop methods for concentrating minerals underground, the Chamber of Mines of South Africa in conjunction with Lurgi evolved and tested a 1 MW centrifugal mill. The machine is capable, in the autogenous mode, of grinding more than 25 t/h of minus 75 plus 44 mm hard quartzite to a minus 3 mm product containing over 50 per cent minus 75 ?m material, and as a ball mill of grinding more than 60 t/h of minus 19 mm quartzite to a minus 3 mm product containing over 35 per cent minus 75 ?m material. Extrapolation of computer models of the process suggests that these limits can be comfortably exceeded. Long-term continuous testing is in hand, aimed at proving that this 1 m in diameter by 1 m long mill is in every respect the equivalent of a conventional 4 m by 6 m ball mill. |
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The machine is capable, in the autogenous mode, of grinding more than 25 t/h of minus 75 plus 44 mm hard quartzite to a minus 3 mm product containing over 50 per cent minus 75 ?m material, and as a ball mill of grinding more than 60 t/h of minus 19 mm quartzite to a minus 3 mm product containing over 35 per cent minus 75 ?m material. Extrapolation of computer models of the process suggests that these limits can be comfortably exceeded. 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The machine is capable, in the autogenous mode, of grinding more than 25 t/h of minus 75 plus 44 mm hard quartzite to a minus 3 mm product containing over 50 per cent minus 75 ?m material, and as a ball mill of grinding more than 60 t/h of minus 19 mm quartzite to a minus 3 mm product containing over 35 per cent minus 75 ?m material. Extrapolation of computer models of the process suggests that these limits can be comfortably exceeded. Long-term continuous testing is in hand, aimed at proving that this 1 m in diameter by 1 m long mill is in every respect the equivalent of a conventional 4 m by 6 m ball mill.</description><subject>ball mill</subject><subject>centrifugal mill</subject><subject>Chamber of Mines</subject><subject>comminution</subject><subject>grinding</subject><subject>Lurgi</subject><subject>planetary mill</subject><subject>vibration mill</subject><issn>0038-223X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><recordid>eNotj81KxDAURrNQcKw-gtCVKwM3uU3aWZbBv2HAjYK7cJPeSCXTqZPm_XUYF4dvc_jgXIgVAHZSa_y8Etc5fwM0oNa4End9HUtKMgdKXAeeluMYyxelej-mdCMuI6XMt_9biY-nx_fNi9y9Pb9u-p2clcFF4mABwQ9dtFFBOzBGRoyDNdSq6IFaD43GFoOlYFUD2gdD4DvDrIK3WIn78-98PPwUzovbjzlwSjTxoWSnEdeo_qjEw1nM5MeJF5eJ5-KdAqPB9dv-1HnKdEobjb9M4UZM</recordid><startdate>19820601</startdate><enddate>19820601</enddate><creator>Lloyd, P.J.D., Bradley, A.A., Hinde, A.L., Stanton, K.H. & Schymura, G.K.</creator><general>Southern African Institute of Mining and Metallurgy</general><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19820601</creationdate><title>A full-scale centrifugal mill</title><author>Lloyd, P.J.D., Bradley, A.A., Hinde, A.L., Stanton, K.H. & Schymura, G.K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p153t-3d6030bd8f6f107de3fe33fd65a71fb0a7b042373c6ac61402bc5a0b85ee1cb63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1982</creationdate><topic>ball mill</topic><topic>centrifugal mill</topic><topic>Chamber of Mines</topic><topic>comminution</topic><topic>grinding</topic><topic>Lurgi</topic><topic>planetary mill</topic><topic>vibration mill</topic><toplevel>online_resources</toplevel><creatorcontrib>Lloyd, P.J.D., Bradley, A.A., Hinde, A.L., Stanton, K.H. & Schymura, G.K.</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the South African Institute of Mining and Metallurgy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lloyd, P.J.D., Bradley, A.A., Hinde, A.L., Stanton, K.H. & Schymura, G.K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A full-scale centrifugal mill</atitle><jtitle>Journal of the South African Institute of Mining and Metallurgy</jtitle><date>1982-06-01</date><risdate>1982</risdate><volume>82</volume><issue>6</issue><spage>149</spage><epage>156</epage><pages>149-156</pages><issn>0038-223X</issn><abstract>As part of its programme to develop methods for concentrating minerals underground, the Chamber of Mines of South Africa in conjunction with Lurgi evolved and tested a 1 MW centrifugal mill. The machine is capable, in the autogenous mode, of grinding more than 25 t/h of minus 75 plus 44 mm hard quartzite to a minus 3 mm product containing over 50 per cent minus 75 ?m material, and as a ball mill of grinding more than 60 t/h of minus 19 mm quartzite to a minus 3 mm product containing over 35 per cent minus 75 ?m material. Extrapolation of computer models of the process suggests that these limits can be comfortably exceeded. Long-term continuous testing is in hand, aimed at proving that this 1 m in diameter by 1 m long mill is in every respect the equivalent of a conventional 4 m by 6 m ball mill.</abstract><pub>Southern African Institute of Mining and Metallurgy</pub><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0038-223X |
| ispartof | Journal of the South African Institute of Mining and Metallurgy, 1982-06, Vol.82 (6), p.149-156 |
| issn | 0038-223X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_23393139 |
| source | EZB-FREE-00999 freely available EZB journals |
| subjects | ball mill centrifugal mill Chamber of Mines comminution grinding Lurgi planetary mill vibration mill |
| title | A full-scale centrifugal mill |
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