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PNEUMATI-SIFTER ULTRA-HIGH CAPACITY
IN-LINE VIRATORY SCREENER WITH AIR-LIFT DEVICE FOR RAPID
SCREEN CHANGES, DISASSEMBLY AND WASH DOWN
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ULTRA-HIGH
CAPACITY IN-LINE PNEUMATIC SCREENER ALLOWS RAPID CLEANING, SCREEN
CHANGES
A new Pneumati-Sifter vibratory
separator employs twin screening decks for in-line pneumatic scalping
or dedusting of up to 60,000 lbs./hr (27,200 kg/hr) of bulk material,
and an Air-Lift device that allows rapid disassembly, cleaning,
inspection and screen changes.
The chambers above the top screen
and below the bottom screen are connected by a central bypass
chute, causing on-size material entering the central chamber to
reach the bottom outlet via two pathways: upward through the top
screen then downward through the chute; or downward through the
bottom screen. Oversize material is ejected through a spout at
the periphery of the lower screen.
The upper and lower screens are
readily changed, or the entire unit disassembled for thorough
wash down, by loosening all quick-disconnect clamps and the band
clamps that connect housing sections, then activating the Air-Lift
device to separate the sections as required.
A tangential inlet along the horizontal
centerline of the central chamber prevents material from impacting
screens at 90 angles. Gradual changes in flow stream direction
are said to minimize breakage of oversize foreign material and
subsequent material contamination, and reduce screen breakage
significantly.
The unit is equipped with "ball
tray" anti-blinding devices to dislodge near-size particles
from apertures in the upstream side of upper and lower screens,
and is intended to remove oversize particles from plastic resin,
flour, starch, sugar, and numerous food and chemical products
gently, at ultra-high rates. Applications include loading and
unloading of trucks and railcars, and conveying of material between
process or storage areas.
Offered in 48" (1219mm) and
60" (1525mm) diameters, the twin-screen machines are available
to 3-A, FDA, BISSC and other sanitary standards.
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