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Research Paper | Earth Science and Engineering | Congo | Volume 11 Issue 4, April 2022
Technical Analysis of the 505 Pitting Project - Surface in the Kamoto Mine
TSHIBWABWA KASONGO Obed | MAZONO ZULBAL Eric | KATOKA KITUBA Alain | MPEYE ONU Christian | KAUMBA Emmanuel 
Abstract: In order to analyze the 505-surface dewatering project in the KAMOTO mine, we quantified all the water inflows to zone 5 in order to allow us to properly size our new dewatering circuit. The maximum inflow to zone 5 is 890 m3/h. For circuit sizing; it was subdivided into two sections. For the first section (505-355), we obtained as total head losses equal to 10.98 m, which gives us a manometric height of 160.98 m. We have chosen 4 Flowserve pumps of the 150 NM type with a nominal flow rate of 250 m3/h and a head of 250 m which will be installed in parallel and 1 spare pump of the same type. Thus the operating point of a pump is (400; 150) and pumps in parallel is (1480; 175). As for the second section, the losses are 7.6 m which gives a height gauge of 362.6 m and we choose 2 Flowserve 201 NM type pumps with a nominal flow rate of 450 m3/h with a manometric head of 400 m which will be placed in parallel and 1 pump of the same type in reserve. Thus the operating point is (280; 355) for one pump and for the pumps in parallel (550; 360). And after sizing the decanter with flocculant, we obtained the following results: the lateral surface of the decanter is 423.81; the width 8 m and the length 50 m. To make it easier for the decanter to be cleaned at the same the moment the water was pumped, the settling tank was split into compartments; therefore the cleaning will take place without stopping the dewatering pumps. It will be done using BRAVO 400 type mud pumps.
Keywords: Pitting surface project, Kamoto underground mine
Edition: Volume 11 Issue 4, April 2022,
Pages: 329 - 339
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