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Vacuum conveyors can fit into existing processes For ingredients that require higher levels of contain-
through the routing of conveying lines between floors, ment to protect workers’ health, minimizing exposure
through partitions, and around machinery, and they requires additional scrutiny in conveyor design. One
are easily re-routed to accommodate process modi- method that offers some additional guarantee of safe-
fications. ty for exhaust air is HEPA filtration.

Whether you employ vacuum technology for dust Safety Hazards and Ergonomics
containment, labor savings, cleanliness, or safety Automatically feeding materials into and removing
and environmental reasons, your success in adding them from hammer mills, mixers, reactors, and
that technology lies in an understanding of powder’s other equipment has multiple advantages beyond dust
characteristics, including how those characteristics containment, such as reducing the amount of man-
interact with your equipment’s design and your spe- power needed to feed a hammer mill and eliminating
cific processes. Experts can provide access not only safety hazards.
to industry-specific know-how but also to expertise in
powder’s characteristics that transfers from industry Generally, most processing equipment stands taller
to industry, and can assure you, through written guar- than workers do, requiring the addition of ladders or
antees, that your equipment will perform the way it stairs to access feeders and often warranting a second
should. worker for safety.

Mass flow and Material Separation Automated or semi-automated systems eliminate the
The pharmaceutical industry has given a great deal need for workers to climb stairs or haul heavy con-
of attention to segregation, especially as it applies to tainers of material away, alleviating fall hazards.
manual transfer of materials in drums or other contain- They also are cost-effective because only one oper-
ers during production. Vibrations, caused by moving ator needs to monitor the equipment’s functioning.
containers, promote segregation and threaten quality
of batches. Therefore, companies have sought mass-
flow methods that move particles at the same velocity,
minimizing segregation.

Vacuum conveyors, with virtually no moving parts,
use mass flow for the most part. They generally use
standard components, but some manufacturers offer
fabricating services to customize systems and pro-
vide unique solutions for distinctive environments and
equipment.

Dust Containment
Dust containment is a principal reason that manu-

facturers add vacuum conveyors to production lines. Pneumatic Conveying System with Small Footprint,
Manually dumping feeders creates small dust clouds Eliminating Need for Workers to Climb Steps to Manually Dump
with each scoop, creating fugitive dust— particulate Materials into the Process, Making it Safer for Workers
matter (PM) that is any solid or liquid suspended in
the air through wind or human interaction. While half Automatic feeding also eradicates ergonomic issues
of fugitive dusts are larger than 10 microns—a human that can occur with repetitive motion, lifting, and
hair is 70 microns—and settle on surfaces rather quick- climbing to dump materials manually into feeders.
ly, the other half are smaller—not visible to the naked If a manufacturer is paying $250,000 a year in dis-
eye—and can remain suspended in the air for days or ability suits from manual-transfer injuries, investing in
weeks. a vacuum conveyor can produce a near-instant
return on investment, depending on the level of
Fully enclosed systems protect drug product from air, automation added.
dirt, and waste. As air moves through the system, it cy-
cles through filters before being exhausted. Because Employing automated, or semi-automated, pneumat-
materials don’t escape, vacuum conveyors prevent ic conveying systems to deliver product to and from
particulates from entering the environment, where process equipment including hammermills and screen-
they can endanger workers’ health; settle on equip- ers eliminates the need for workers to climb stairs
ment and surfaces, causing cross-contamination from or haul heavy containers of material away from the
dislodged fugitive dust; or create explosion hazards. hammermill, alleviating fall hazards and repetitive
motion injuries.

PNEUMATIC CONVEYING SOLUTIONS | INDUSTRIAL VACUUM CLEANING SOLUTIONS
VAC-U-MAX • 69 William Street • Belleville, NJ 07109 • (800) VAC-U-MAX
www.vac-u-max.com