Орендне Підприємство Hауково-Дослідний Проектноконструкторський Інститут Атомного І Енергетичного Насособудування Вhдіаеh
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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Centrifugal pump has body with supercharge zone, rotor with working wheels, hydro-toe that includes unloading disc that forms with the body cylindrical and end throttling slots, and bearing that includes bushing placed with gap with respect to rotor installed between the hydro-toe and working wheel of the last stage forming back cavity with the body. Between the rotor and the body circular cavity is formed, this is connected with gap of the bearing and cylindrical slot of hydro-toe.