Counterflow pellet coolers

Ottevanger coolers are used for cooling pellets and extrudates to near ambient temperature. The coolers are available in 8 sizes with capacities up to 30 tph.

Working principle

Counterflow cooling is the most efficient process for granular products and meal. The air flows in the opposite direction to the product which means that the product is gradually cooled on its way from pellet-mill to discharge hopper. The air is gradually warmed on its way from air inlet to cooler exhaust, thus preventing pellet damage due to a temperature shock.

Options

Depending on the specific application special discharge systems are available.

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Table of types

TypeCooling area (m²)Capacity(tph)
@4mm pellets
Weight(kg)

 

OM 14/142.041200
OM 14/192.761450
OM 19/193.681700
OM 19/244.5122250
OM 24/245.7162850
OM 24/286.8203400
OM 28/288.2253700
OM 28/3811.0305000