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A low maintenance, easy to install grit trap to remove sand and grit from wastewater. This equipment can be retrofit into existing tanks with little or no modifications. The system consists of a drive unit with central bearing, two steel blades operated by a drive unit and a central air lift pipe. The end of the air lift pipe contains an extractor and operates through compressed air that literally sucks the concentrated grit/water mixture from the bottom of the tank.
As influent tangentially enters the tank, the two blades direct the flow to the sides of the tank. The rotating blades maintain a constant vortex circular flow against the tank sides that allows the grit to slide down the sides of the tank and settle to the bottom. The degritted flow exits the top of the tank and proceeds downstream.
The highest grit capture occurs when the grit removal system is preceded by a high capture fine screen. The less debris in the influent, the more efficiently the system operates.
Did You Know?
| • | The SAVI Grit Removal System is available for tanks up to 24 feet in diameter. |
| • | With peak hydraulic capacity to 70 MGD. |
| • | Will capture 95% of grit equal to or greater than 50 mesh (300 micron). |
| • | Will capture 85% of grit equal to or greater than 70 mesh (200 micron). |
| • | Will capture 65% of grit equal to or greater than 100 mesh (150 micron). |
