Can improve interior fluid flow condition's of volute pump pump body structure

• Main Authors: CHEN HAILIN, TU CHENGXU, ZHAO FEI, YAN ZHENGHUI, CHEN RONGGUO, CHEN ZHIPING, BAO FUBING
• Format: Patent
• Language: Chinese; English
• Published: 05.04.2017
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a can improve interior fluid flow condition's of volute pump pump body structure, including the body that has the inner chamber, be provided with in the inner chamber and separate this inner chamber for the cut -water of intaking the spiral housing with go out the water spiral housing, the outside extension in upper portion of a body side is formed with a boss, the bottom edge forming of this boss is the first arc surface of outside hunch -up, the body side shaping at runner top is the second arc surface of inside hunch -up, the last border of this second arc surface and tangent connection of lower border of first arc surface, the internal surface of inner chamber be formed with with first arc surface, the corresponding streamlined flaring section of second arc surface. The utility model discloses intake spiral housing and to go out water spiral housing lower part tangent with impeller channel, reduced the backward flow that arouses because of the space sudden change and local res