The principle of VIGAN pneumatic unloaders
is the following:
In the hold, the products are sucked into the vertical
pipes which have telescopic movement capability.
A sufficient air turbulence by the suction system will allow
to move the products upwards.
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Flowing by the elbow towards the horizontal telescopic
pipes, the products will enter into a receiving hopper wherean
airlock (or also called rotary valve) will convey the products
downwards to a mechanical conveyor.
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The sucking air will be cleaned by a jet pulse type filter
before entering into the vacuum producing system by centrifugal
type turbo blower(s).
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In the NIV type VIGAN unloaders, the boom that
supports the suction pipes, the filter and the airlock as well
as the main engine room with the turbo blower(s) are rotating
on a slewing ring. |
Designed for all types of barges and vessels (from
Handy size up to post Panamax), VIGAN NIV type unloaders are suited
for the handling of bulk products under the most common working
conditions :
Select among the models to get an drawing
and a picture
Many other working conditions are feasible, such as ship
to barge for instance : contact VIGAN
for more information and a special drawing will be prepared according
to your own requirements and your specific bulk handling operations.
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