Consumption of Irrigation Pumps Pumping Water with a High Content of Mechanical Impurities

The water pumped by reclamation stations of the Republic Uzbekistan contains many mechanical impurities. This negatively affects operation pumping units. There is a decrease in operating parameters unit and associated increase electricity consumption. Analysis alluvial regime main sources large shows that sediment concentration can reach values 15-20 kg/m 3 and, on average, up to 8-10 (i.e., exceed permissible according technical requirements for centrifugal pumps 2-3 times). Based consideration two-phase liquid model (pure impurities) formulas determining useful power, dependence derived determine magnitude power According this dependence, graph value required depending impurities constructed, which be applied practice during irrigation stations. results quantitative analysis influence content pump's showed with average turbidity 10 kg/m3, overspending would 1.75%. great practical importance machine lifting (the consumer agricultural sector), used develop an energy-saving strategy field