PTN's pre-compactor for the production of animal feed and to be installed about the pellet mill. A double-walled mixing chamber in which steam and liquids are introduced and the mixture is compacted using an hydraulically operated compacting chamber. Generously sized paddles, adjustable in both height and pitch, guarantee a homogeneous mixture and an hygienic process. The mixture is introduced into the compacting chamber where a rotating three-roller head presses this through two conical friction rings. Three hydraulic cylinders accurately assess the adjustable distance (3 – 45 mm) between the friction rings which, along with a motor power of 132 kW, determine the compaction level. The unique combination of mixing chamber and compacting chamber ensures an optimum absorption of steam and liquids, a more homogeneous distribution of the raw materials, a higher pelleting capacity and excellent pellet quality.

1. Pelleting Technology Nederland
BOA Compactor
PTN’s patented pre-compacting technology.
A unique alternative for double pelleting or expanding.
S p e c i a l i s t i n P e l l e t i n g E q u i p m e n t

2. Benefits
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Improved pellet quality.
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Increased capacity.
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Extreme flexibility in choice of raw materials.
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Optimum absorption of steam and liquids.
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Up to 10% increase of liquid dosing.
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Temperature up to 110° Celsius.
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Homogeneous mixing and distribution of
raw materials.
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Hygienic process, easy to clean.
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Low maintenance costs due to minimal wear.
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Robust construction of the housing.
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Simple design.
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Simple operation and integration into existing
automation systems.
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Less kWh/Ton with respect to double
pelleting or expanding.
Product description:
A double-walled mixing chamber in which steam and
liquids are introduced and the mixture is compacted
using an hydraulically operated compacting chamber.
Generously sized paddles, adjustable in both height and
pitch, guarantee a homogeneous mixture and an
hygienic process.
The mixture is introduced into the compacting chamber
where a rotating three-roller head presses this through
two conical friction rings.
Three hydraulic cylinders accurately assess the
adjustable distance (3 – 45 mm) between the friction
BOA Compactor
Pelleting Technology Nederland
Duinweg 18, 5482 VR Schijndel, The Netherlands
P.O. Box 132, 5480 AC Schijndel, The Netherlands
T +31 (0) 73 - 54 98 472
F +31 (0) 73 - 54 78 595
E info@ptn.nl
W www.ptn.nl
Technical specifications
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Double-walled mixing chamber, door and main
shaft manufactured from stainless steel.
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Solid 220 mm diameter main shaft.
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Large interchangeable paddles, adjustable in both
height and pitch.
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Main shaft 235 rpm, equipped with speed sensor.
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Compacting chamber with rotating three-roller
head, one stationary and one adjustable friction ring.
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Three hydraulic cylinders with accurate read-out
system.
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Hydraulic unit.
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Main shaft powered by electric motor.
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Transmission via V-belts.
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Shearpin protection against overload.
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Door and large inspection hatches with safety
switch.
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Temperature sensor PT 100 in mixing chamber and
on front bearing.
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1 Steam inlet 3” and 2 liquid inlets 1½”.
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Two-component silk matt finish RAL 6024/1015.
BOA Compactor
rings which, along with a motor power of 250 kW,
determine the compaction level.
The unique combination of mixing chamber and
compacting chamber ensures an optimum absorption of
steam and liquids, a more homogeneous distribution of
the raw materials, a higher pelleting capacity and
excellent pellet quality.
Data subject to change. 04/2011
Type Capacity Dimensions in mm
Tons/hr A B C D E
500 x 1500 12 2097 1354 2456 1443 1720
700 x 1500 25 2377 1585 2598 1525 1769