Dynamics of mine drainage centrifugal pumps technological development
Динамика технического развития центробежных насосов шахтного водоотлива
Churakov E.O. Makarov V.N. Makarov N.V. Akhmetov R.G.
2023Federal State Budgetary Educational Institution of Higher Education Ural State Mining University
Minerals and Mining Engineering
2023#2023Issue 69 - 17 pp.
Introduction. Basic performance requirements for the main mine drainage pumps arise from modern technologies of mining that take into account technical and economic capabilities of mining operations and geological features of the most accessible proved and producing fields. To carry out short-term prediction of the required equipment characteristics in order to organize rational mine dewatering, it is necessary to establish historical relationships between the true mining depths growth and the dynamics of centrifugal pumps technological development. Methods of research include collecting and analyzing data from literary sources, using the chronological order and mathematical statistics of the hydrodynamic characteristics of the main drainage centrifugal pumps and the producing mine depths, and analyzing historical data and patterns of centrifugal pump hydromechanical characteristics improvement as a function of time. Results. Correlation dependences are obtained between centrifugal pump hydromechanical parameters and mine depth growth dynamics as a function of time. Conclusions. The level of centrifugal pump performance indicators is maintained for a sufficiently long period of time. The existing methods of centrifugal pump calculation and design have therefore practically exhausted their potential for modernization. Modern trends in natural resource consumption require maintaining the pace of mining development. It is predicted that in the short term, the main mine drainage is going to express a need for centrifugal pumps with increased hydrodynamic load and energy efficiency. The methods of vortex flow control in the wet and hydraulic ends of pump have the potential to improve these indicators.
centrifugal pumps , efficiency , energy efficiency , head , hydrodynamic load , mine drainage
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OOO SMNP Ekspertnaladka, Ekaterinburg, Russian Federation
Ural State Mining University, Ekaterinburg, Russian Federation
Kostanay Minerals JSC, Zhitikara, Kazakhstan
OOO SMNP Ekspertnaladka
Ural State Mining University
Kostanay Minerals JSC
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