Grit Monster
The Grit Monster® vortex removal system is both compact and reliable, removing sand, gravel, shells and coffee grounds as wastewater passes through the headworks. The system operates over a wide range of flows, especially during peak conditions when a majority of grit enters the treatment plant.
Removing grit at the headworks benefits downstream systems and increases the service life of pumps and process equipment.
The Grit Monster combines circular and conical shapes with natural vortex and gravity forces to reduce turbulence in the chamber and remove even more material. To achieve a maximum efficiency over a wide range of daily flow rates, the flow velocity is maintained quasi-constant by adjustable rotating impellers in the lower chamber.
Grit is removed from the bottom chamber and pumped to a washer and classifier which separates and dewaters the grit before depositing material in a dumpster.
JWCE also offers an optional grit classifier in several sizes to wash, clean and dewater grit before it is deposited in a dumpster ready for landfill disposal.
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Features and Benefits
Efficient Grit Removal
- Removes grit with a specific gravity of 2.65
- Transfers solids up to 3-1/2 inch (90mm) in diameter
Monster Separation System: A Complete Headworks
- Grit Monster integrates with JWC’s award-winning fine screens and washer-compactors
- Increases operating life of downstream pumps and systems
- One source for design, manufacturing, start-up and service
Large Flow Rates
- One system can handle up to 76 MGD (3,300 l/s)
- Capture efficiency is not affected by flow variations
- Grit is transferred by air lift or grit pump
Ease of Maintenance
- Few moving parts
- Low energy consumption
- Central drive housing is easy to install and inspect
Specifiable Service Features (optional)
- Monster PI™ on-site service and inspection plan
Specifications
