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Remove fine grit to protect downstream processes at small, medium or large wastewater treatment plants.
The Grit King® is a compact, unpowered Advanced Grit Management® system that removes 95% of 75 µm solid particles or larger, preventing the costly downstream abrasion and deposition caused by grit, silt, and sand.
With no moving parts, requiring less than 6 in of headloss at average flows and a capacity to handle flows as low as 0.25 MGD, the Grit King® is a versatile and economical grit removal system that helps owners and operators to cut plant maintenance costs.
Grit King® is a compact, unpowered Advanced Grit Management system that removes 95% of 75 µm particles or larger, protecting wastewater treatment plants (WWTPs) from the expensive impacts of grit abrasion and deposition.
Delivering exceptional hydrodynamic separation in a single unit with no moving parts and no external power requirements, the Grit King® provides superior grit removal with low operational and maintenance requirements. Capable of handling flows as low as 0.25 MGD with a single unit—and virtually any flow with multiple units—Grit King® is ideal for small, medium or large treatment facilities.
Available as a free-standing unit, the Grit King® provides a flexible option for plants with small, elevated inlet works—a configuration that can eliminate the need for a grit pump—and if the turndown ratio is less than 3:1 grit washing and dewatering is also not required.
In addition to municipal wastewater, the Grit King® can be used for pre-treatment in potable water applications and for sediment removal in industrial wastewater.
Watch a brief video demonstrating the Grit King® here. Download a brochure covering the Grit King® here.
Visit our industrial microsite to learn how products like the Grit King® can help industrial businesses.
Energy costs are one of the biggest expenses that wastewater treatment plants face. While the Grit King® requires no electricity to operate, even more substantial energy savings are realized by protecting downstream aeration systems from being clogged by grit which significantly increases the power required to run the blowers.
With 95% removal of 75 µm particles and larger, the Grit King® prevents grit from reaching downstream processes, protecting them against the clogging and abrasion wear that results in increased cleaning, maintenance, repair, and replacement parts.
Available in free standing or in-situ configurations, the Grit King® can be easily linked to your existing processes. Numerous inlet, outlet, and elevation configuration options minimize installation costs by seamlessly fitting into your existing plant layout. The compact design requires minimal headloss to operate and performance is guaranteed to meet your plant’s needs.
Moving parts such as paddles and motors can cause maintenance nightmares, but the Grit King® is a low-velocity, all-hydraulic design in a single vessel with no moving parts. This provides exceptional durability while eliminating the wear, repair, and replacement parts costs inherent to other more conventional systems.
Flow is introduced into the Grit King® via a tangentially positioned inlet causing a rotational flow path around the dip plate.
The flow spirals down the wall of the chamber as solids settle out by gravitational and rotational forces (yellow arrow).
The grit collects in the grit pot as the center cone directs flow away from the base, up and around the center shaft into the inside of the dip plate (blue arrow).
The upward flow rotates at a slower velocity than the outer downward flow. The resulting "shear" zone scrubs out the finer particles.
The concentrated grit underflow is pumped or gravity fed to a grit classifier for dewatering.
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