An overseas company was using aluminum granules to react with
caustic vapors inside a scrubber system. The scrubber was a large tank
that stood 4 meters high (13 feet), and it was located outside of the
facility (see photo below). Their current process was to refill the
scrubber tank with aluminum pellets every three to four months to replenish
the bed. In order to refill, they would use a ladder with a bucket to
pour the aluminum in the top opening of the tank. This was a
time-consuming process as well as an unsafe practice. They contacted
EXAIR to see if we could help them.
In discussing the details further about their application, the
aluminum pellets were stored in 208L (55 gallon) drums. The diameter of
the pellets ranged from 5 to 15mm (0.2 to 0.6 inches) and the bulk density
was 1500 Kg/m^3 (94 lbs/ft^3). The maximum conveyance distance was 4
meters (13 feet) horizontally and 4 meters (13 feet) vertically. The
customer required a simple device to transfer the material from the drums to
the scrubber tank safely and ergonomically at the fastest conveyance rate possible.
From the information above, I recommended the EXAIR model
152200; 2” Heavy Duty Line Vac
Kit. This vacuum generator is made from a hardened steel construction
which is very resistant to wear. It is also designed for higher vacuum
levels to convey heavier materials at a faster rate. The Line Vac is
operated by compressed air to generate a Venturi vacuum, and the kit will
include a filter, regulator and a bracket for cleaning, controlling and
mounting. The vacuum generator does not have any motors or moving parts
to wear, and the inline design makes it simple to attach a hose to the vacuum
and exhaust side. Now, the operator could place the hose inside the
scrubber tank, stand near the drum with the Line Vac; open a valve to
regulated air, and watch the Line Vac move the entire drum of aluminum
granules inside the tank. Instead of multiple trips up and down a
ladder to pour in buckets of aluminum, the operators can fill the scrubber
tank easily and quickly.
The EXAIR Air Operated Conveyors, or Line Vacs
 , are great tools
for conveying items in a “bucket and ladder” type of application. If
your company manually moves product from point A to point B, you can contact
an EXAIR Application Engineer
to see if an Air Operated Conveyor could improve your process. For the
overseas customer above, the model 152200 Heavy Duty Line Vac
Kit improved the manual operation of filling while reducing hazardous issues.
John Ball
Application Engineer |
Tecmer,Lda
Contacto:José Garcia Araújo
Tel:+351 252317314 /+351 932308640
Email:j.araujo@tecmer.pt /geral@tecmer.pt
www.tecmer.pt
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