Centrifugal impeller

The utility model discloses a centrifugal impeller, centrifugal impeller includes annular terminal surface, main terminal surface, blade and axle sleeve, the blade be airfoil blade, evenly distributed between annular terminal surface and main terminal surface, the one end of blade is fixed on annular terminal surface, and the other end is fixed on main terminal surface, is vertical arrangement, the blade includes pressure face and suction surface, and the suction surface longshore current of blade is to the welding rib, the transversal V type of personally submitting of rib, it has a plurality of recesses to open on the pressure face of blade, the recess is the ball socket form, the recess of ball socket form is the diamond mesh form and distributes on airfoil blade, airfoil blade tail edge's both sides all cut. The during operation, opposite flow direction whirlpool of direction of rotation and the secondary whirlpool interact who forms at V type rib top, the secondary whirlpool has been weakened flow direct