Rukhlova N. Increase of the work energy efficiency of coal mine main pumping at controllable load mode

The dissertation is devoted to the research of the major scientific challenge to establishing patterns of the complex influence of variable technical and technological state parameters and operating modes of main dewatering plant on its functioning energy efficiency at controllable load mode. That stipulated for the modeling necessity of pumps possible operating modes. The determination method of lodgement volume is developed. The method takes into account quantity and capacity inequality of its branches and fully eliminates the pumps functioning in periods of maximal loading in power grid. The simulation model of operating modes of mine main dewatering plant is offered. The model allows to form a quantity of its functioning variants and to choose most effective one for any technological parameters, including the technical condition worsening of pumping basic equipment. The functional dependences of degree worsening influence of technical condition of piping system and pumping unit on specific energy consumption are determined. That allows to realize the monitoring of equipment technical condition by the corresponding changes of specific charges. The economic feasibility of the effective regulation of electro-consumption modes of main pumping is established (including of reserve pipeline use) in context of payment decrease for used by pumps electric power on value about 30 %.