Yu Lei

Inlet water perforated distribution tracery wall for water intake pumping station and rectifying method of tracery wall

Vortex prevention column vortex elimination device and method of rear wall of sealed type water feeding tank

Wall square column whirlpool device that disappears behind closed intake pool

Whirlpool post whirlpool device that disappears is prevented to wall behind closed intake pool

Rhombus perforated water-distributing lattice wall for pre-sinking aeration tank of water intake pumping station and rectifying method thereof

Y -shaped inflow double suction twin -screw water pump

Herringbone inflow double-suction twin-screw water pump and water flow smoothening and vibration preventing method thereof

Water distribution perforated wall with elliptical via holes for pre-precipitation aeration pond of water intake pump station and method for adjusting flow for water distribution perforated wall

Symmetry of falling splayed inflow double suction screw rod water pump

Mixed-holes water-distribution lattice walls for preliminary-sedimentation aeration tank of water intake pumping station and rectification method thereof