Orbals

Replacement and RetroFitting of Orbal Oxidation Systems
with Floating Brush Rotors

 

[ Orbal Retrofits ] [ Orbal Retrofits ]
 

Orbal RetroFit with Bridge Anchoring System

[ Orbal Retrofits ]

  

[ Oxidation Ditches ] [ Oxidation Ditches ]
Before
After
[ Oxidation Ditches ] [ Oxidation Ditches ]

                                                                                       

[ Orbal Retrofits ]   [ Orbal Retrofits ]

 

• 200 HP Orbal System
• Fits rotor installed in 2005, with additional units purchased over the following 18 months
• Over next two years, added eight more units for a total of 135 HP
• Currently operating severl units on DO probes, with one or two units rarely operating.

 

Orbal RetroFit with Bridge Anchoring System  

[ Orbal Retrofits ] [ Orbal Retrofits ]  [ Orbal Retrofits ]

 • The Extension Connecting Brackets were mounted to the top surface of the concrete bridge, enabling quick and easy access.

• Access to the floating brush rotors was made possible through the use of the existing bearing mounting piers.

 

[ Orbal Retrofits ] 
Replacement of Orbal Rotors in Aerobic Digester

Improved Mixing and Oxygen Levels With Less Energy

[ Orbal Retrofits ] [ Orbal Retrofits ] 

Power Savings
• Existing 50 HP Orbal rotor system in the digester
• Replaced with two 15 HP rotors (one unit in 2000, another unit in 2002)