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Counterflow Coolers
Van Aarsen’s series of counterflow coolers
consists of five cooler types; TK1800, TK2200,
TK2600, TK3000 and TK3600, with capacities
ranging from 3 to 40 tons per hour.
Van Aarsen invented the counterflow cooler in
1979. This cooling system was introduced to
the world compound feed industry as a world
first. Since then, this type of cooler has
become the world standard in modern
compound feed technology, also because of
the low power consumption. The Van Aarsen
design has been granted patents in many
countries.
Hygienic
Application of the first-in first-out principle,
combined with the unique, patented discharge
mechanism ensuring complete emptying of the
cooler.
Minimized dehydration and pellet breakage
As the discharge mechanism allows for a
uniform and constant discharge of the pellets,
the risk of local overcooling is eliminated.
Dehydration of the pellets is therefore kept at a
minimum.
Pellet breakage does not stand a chance
because there is only a small difference in
temperature between the pellets and the
cooling air at all cooling stages, due to the
counterflow principle.
Temperature shocks can thus be prevented. In
addition, the pellets are at rest in relation to
each other during vertical transport. Due to the
unique discharge mechanism, no shear force
is applied on the pellets; they can flow out
freely.
Energy efficient
The cooling process starts as soon as the
bottom is covered with pellets and is
terminated only when the last pellets have
been discharged. The result is a high degree
of efficiency. An intermediate floor can be
installed in order to speed up product
changing.
Pellet distributor
To improve even further on the even distribution of the pellets, a pellet distributor can be incorporated.
When spraying fat on the die of the pellet mill, this system also greatly reduces the emission of fatty
matter, dust and odour, thus causing less environmental impact. Moreover, air cleaners such as
cyclones or dust filters situated downstream, remain cleaner for much longer and require less
maintenance.
ENGOREPROD 631-1791 20080709
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