HIGH-HEAD PUMPING UNIT

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u043du0430u0441u043eu0441u043eu0441u0442u0440u043eu0435u043du0438u044e. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - to improve the head and efficiency, reduced weight of pump unit while maintaining its dimensions.u0432u044bu0441u043eu043au043eu043du0430u043fu043eu0440u043du044bu0439 pumping unit contains has the u0446u0435u043du0442u0440u043eu0431u0435u0436u043du0443u044e, u043bu0430u0431u0438u0440u0438u043du0442u043du0443u044e and u0447u0435u0440u043fu0430u043au043eu0432u0443u044e step 12,7,16 located respectively at the u0442u043eu0440u0446 u043eu0432u043eu0439 surface 13, the external cylindrical surface of the internal cavity in 10 and 20 rotor 4.in u043du0430u0433u043du0435u0442u0430u0442u0435u043bu044cu043du043eu0439 cavity 15 u043bu0430u0431u0438u0440u0438u043du0442u043du043eu0439 step 7, telling the area u043du0430u0433u043du0435u0442u0430u043du0438u00a0 last area u0432u0441u0430u0441u044bu0432u0430u043du0438u00a0 u0447u0435u0440u043fu0430u043au043eu0432u043eu0439 stage 16, a u043du0430u043fu0440u0430u0432u043bu00a0u044eu0449u0438u0439 lo u043fu0430u0442u043eu0447u043du044bu0439 apparatus 19. u043fu0435u0440u0435u043au0430u0447u0438u0432u0430u0435u043cu0430u00a0 fluid u043du0430u0433u043du0435u0442u0430u0435u0442u0441u00a0 consistently centrifugal and u043bu0430u0431u0438u0440u0438u043du0442u043du043eu0439 u0441u0442u0443u043fu0435u043du00a0u043cu0438 12.7 and u043fu0440u043eu0445u043eu0434u00a0 through u043du0430u043fu0440u0430u0432u043bu00a0u044eu0449u0438u0439 apparatus, u043fu043eu0434u0430u0435u0442u0441u00a0 u0447u0435u0440u043fu0430u043au043eu0432u043eu0439 step yu 16 in the pressure tube 5.the u0447u0435u0440u043fu0430u043au043eu0432u043eu0439 ranks 16 in the cavity 20, the rotor 4 u043fu043eu0437u0432u043eu043bu00a0u0435u0442 rationalize the work of the unit and increase its pressure. installation of u043du0430u043fu0440u0430u0432u043bu00a0u044eu0449u0435u0433u043e apparatus 19 u043fu043eu0437u0432u043eu043bu00a0u0435u0442 increase the efficiency further, reducing the hydraulic loss. 1 il.