Shanghai Besters Ltd

Shanghai Besters Ltd

Aqua Turbo



Fine bubble formation by microturbulence is maximized by the SCREWPELLER design, that ensures optimal transfer of the kinetic energy on the water surface: Spray injected in the water surface over 360 degrees creates secondary turbulences with result of moving and spreading the bubbles over the reactor volume. This way, a small screw centrifugal impeller at high speed can mix and aerate a big area.

  • High efficiency in real operating conditions due to high α-factor : Size of the microturbulence-formed bubbles is less influenced by the sludge concentration
  • Very low forces on the motor bearings, thanks to the SCREWPELLER design, allowing unit powers up to 200 kW, and resulting in a very long lifetime
  • Frequent starts and stops (timer, frequency controller, D.O. probes, double speed motors) are no problem due to direct coupled, robust and vibration-free SCREWPELLER
  • SCREWPELLER is not damaging the sludge flocs, as the design is of the same family as impellers for sludge recirculation pumps
  • High oxygen dispersion over large areas
  • Simple and quick installation, basin needs not to be emptied
  • High flexibility (easy interchange of units when capacity needs to be raised, also rental
  • aerators possible)
  • Low investment cost for the complete installation
  • No baffling needed (thus optimal flow pattern is preserved), no surging
  • No gearbox (thus high lifetime), very limited maintenance needed (no oil renewal)
  • Low aerosol dispersion
  • Capacity to keep water temperature more stable

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