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EM42 - DETRITOR TYPE GRIT REMOVAL SYSTEM

Application Grit removal from municipal and industrial waste water.
Characteristics The system is equipped with baffles and grit scrapers.
Operation The water to be treated goes through the grit removal system with a laminar flow; the grit which sediments on the bottom is conveyed to the sides and evacuated by an air-lift.
Materials Compact equipment in hot dip galvanized carbon steel or stainless steel.
Installation In a concrete tank.
Tank diameter From 2000 to 16000 mm.
Separation Grit particles larger than 200 microns.
Optional Air-lift for grit evacuation

 

OPERATION DESCRIPTION

The water flows into the grit removal tank from the side. The water flow must have a laminar motion.
The baffles placed at the entry are installed in such a way to distribute the water homogeneously, all over the tank width.

The grit which sediments on the bottom is scraped and conveyed to the periphery of the tank where it is lifted and evacuated by an air-lift.
The average water level in the tank is 700-1000 mm.

 

TECHNICAL DATA
1.1 Waste water delivery to the grit removal system :m³/h (*)
1.2 Width x length :mm.  
1.3 Water and sand flow rate in the air-lift :m³/h (*)
1.4 Air-lift size :DN.  
1.5 Rotation speed of the scrapers :rpm  
(*) to be advised when asking for a quotation

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