FIELD: pumps.
SUBSTANCE: invention relates to a centrifugal pump for pumping gas-liquid mixtures with high content of gas phase in a wide range of values and can be used in industry, agriculture and domestic needs. Impeller of the centrifugal pump for gas-liquid media includes main and auxiliary blades. Blades setting angle, formed between tangents, carried out through outlet sections of blades and outer circumference of impeller, is in range from 35° up to 90°. Shape of blades is described by surfaces of the second order, providing possibility of inclination of blades in direction of rotation of impeller and their drawing to input of impeller.
EFFECT: invention is aimed at increasing the created head while maintaining the efficiency of impeller of the centrifugal pump for gas-liquid media.
11 cl, 6 dwg
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