Anti Vortex device and vertical Double Suction Pump provided with the anti Vortex device

摘要

A vertical Double Suction pump to be installed and configured to pump operating in an Open channel that has a surface of water,That includes: a rotating Shaft (5) extending in a vertical direction; a double Suction impeller (6) fixed to the Rotary Shaft (5); a casing (7) having a volute Chamber (7a)Surrounding the double Suction impeller (6); a flared Upper Mouth (10) which has a Suction Opening (10a), superiorWhen it is installed in the Open Channel look upwards towards the water surface in Open Channel; a flared Mouth Bottom (11) which has a Lower Suction Opening (11a),While the Upper Suction Opening (10a) and Lower Suction Opening (11a) in Fluid communication with the Chamber of volute (7a) through the impeller of double Suction Tubes (6);Download (15a,15b) that extend Upward from the volute Chamber; and a column pipe (14) coupled to the discharge Tubes; wherein the vertical Double Suction Pump also includes:A Vortex Prevention Device comprises at least one sloping plate (130) located above the Upper Bell Mouth (10),Still set the at least one sloping plate (130) to column pipe (14).