Page 2796 - Flipbook_SolidDesignSoutheast2020

ROTARY DRUM SCREENS

Separate solids from waste streams without clogging

Screens solids from industrial and municipal
waste streams, and recovers solid product
from process streams, at rates from 200 to
4,650 gal/min (760 to 17,600 liter/min)

Munson’s compact Rotary Drum The wedgewire screen of the
Screen removes solids from indus- cylinder is available in many
trial and municipal waste streams, orifice sizes from .002 to .110 in.
and recovers solid product from (50 micron to 2.79 mm).
process streams, at rates from 200
to 4,650 gal/min (760 to 17,600 The rotating drum is the only mov-
liter/min) without blinding or clog- ing part, minimizing initial cost,
ging the screen. operating cost and maintenance.

It consists of a horizontal cylinder Typical applications include:
with durable wedgewire screen- separation of various solids and
ing, a variable speed drive, head sludges from municipal and indus- Solids-laden effluent discharges from the head box and overflows a weir,
box, discharge chute and support trial wastewater, food processes, flooding the top of the cylinder’s exterior along its entire length. As it rotates,
liquid from the effluent drains through slotted apertures in the screen onto
structure, reducing floor space and pulp and paper production and an internal baffle that concentrates the flow against the interior side of the
headroom requirements compared rendering processes; removal of cylinder at its lowest point, dislodging any solids trapped in apertures, even
with non-rotating equipment of extruded pellets from cooling baths; when handling oily, greasy, fibrous or resinous matter.
equivalent capacity. and separation of debris from any
variety of plant and equipment- Dewatered solids accumulated on the screen’s exterior achieve moisture
An optional variable-speed drive cleaning processes. levels in the 20 percent range before being removed by a doctor blade and
allows adjustment of drum rotation directed through a chute.
speed to achieve maximum
dewatering effectiveness.

Model 24-RDS-72 Rotary Drum Screen with wedgewire cylinder 24 in. Model 24-RDS-24 Rotary Drum
(61 cm) in diameter and 72 in. (183 cm) in length removes solids at Screen shown with stainless steel
rates from 600 to 2,790 gal/min (2,270 to 10,560 liter/min). support structure.