Sewage treatment aeration is with adjusting rhombus valve

The utility model relates to a sewage treatment aeration is with adjusting rhombus valve, including left valve body, right valve body, valve plate, valve rod and electric drive device, left valve bodyand right valve body pass through fastener sealing connection, establish the accent stream board that the same inclination of tangible form is 45 degrees in the inboard of left valve body and/or right valve body, left side valve body and right valve body form valve plate cartridge chamber after connecting, and at valve plate cartridge intracavity cartridge valve plate, the valve rod is connectedto the upper end of valve plate, and the lower part of valve plate is equipped with the rhombus and crosses the discharge orifice, through fastener installation limit stop on the bottom in valve platecartridge chamber left side valve body or right valve body, limit stop upper portion is equipped with seal groove, the embedded sealing washer that is equipped with of seal groove, the upper end symmetry of left side valve bod