Shaftless Screw Compactor.pdf - Johnson Screens
Shaftless Screw Compactor.pdf - Johnson Screens
Shaftless Screw Compactor.pdf - Johnson Screens
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shaftless screw<br />
compactor
OPERATION<br />
COST EFFECTIVE COMPACTION OF SCREENINGS AND VARIOUS<br />
PROCESS OR WASTE MATERIALS<br />
<strong>Johnson</strong> <strong>Screens</strong> ® shaftless screw<br />
compactor (MD) offers a simple, costeffective<br />
solution for the dewatering,<br />
compaction and reduction of screenings<br />
and various other process or waste<br />
materials.<br />
They can be applied to numerous<br />
industrial applications including paper<br />
mills, abattoirs, food production,<br />
refineries for either recovery or removal<br />
of solids.<br />
Single units can be supplied over 5 m<br />
(16 ft.) long, facilitating transfer and<br />
compaction in a single unit.<br />
Increased lengths can be supplemented<br />
with the <strong>Johnson</strong> <strong>Screens</strong> screw<br />
conveyors (MND), allowing extended<br />
transfer capabilities. This could be over<br />
undulated areas and include vertical<br />
elevation if necessary.<br />
The MD consists of a shaft-less spiral<br />
screw conveyor inside an inclined<br />
duct with bolted removable covers.<br />
Screenings enter into a hopper where<br />
they are conveyed to the compaction<br />
and dewatering section before being<br />
disposed of into a container. Screening<br />
volume reductions of upto 40 percent<br />
can be attained. Liquids pressed from<br />
the screenings return to the screw<br />
compactor inlet base before discharging<br />
either to a drain or returned for further<br />
treatment.<br />
A discharge connection to a continuous<br />
bagging system can be supplied<br />
to provide a totally enclosed screw<br />
compacting system. This will enhance<br />
odour abatement of the system, and the<br />
screenings can be sealed without any<br />
personal contact.<br />
The MD comprises of bolted sections to<br />
grant easy inspection and maintenance<br />
access, which in turn will increase<br />
longevity and overall asset life.<br />
CAPACITIES<br />
• Up to 8 m³/ hr (282.5 ft³/ hr)<br />
FABRICATION:<br />
• Stainless steel: 304 and 316<br />
• Spiral: Mild steel or Stainless steel,<br />
304 or 316<br />
SCREENINGS VOLUME REDUCTION:<br />
• Upto 40 percent<br />
BENEFITS:<br />
• High quality and reliability at low<br />
costs<br />
• Simple and robust<br />
• Quick and easy installation<br />
• Retrofit capability<br />
• Reliable and automatic self cleaning<br />
operation<br />
• Protection of downstream plant and<br />
drains<br />
• Very low maintenance<br />
TYPICAL APPLICATIONS:<br />
• Small sewage treatment works<br />
• Municipal wastewater treatment<br />
works<br />
• Industrial effluent discharges<br />
• Paper mills, abattoirs, food<br />
processing<br />
• Chemical industry, refineries<br />
• Recovery from processing plant<br />
ADVANTAGES:<br />
• Enhanced odor abatement with<br />
continuous bagging<br />
• Improved health & safety with<br />
continuous bagging<br />
• Easy operation and maintenance<br />
• High reliability and long asset life<br />
• Non-clogging even with fibrous<br />
materials<br />
• Fully enclosed<br />
• Low noise<br />
• Low energy<br />
• No internal bearings<br />
• Heavy-duty<br />
02
H<br />
H<br />
H<br />
M<br />
G<br />
L<br />
G<br />
D<br />
A<br />
B<br />
E<br />
C<br />
F<br />
MODEL MD 20 MD 30 MD 40<br />
mm in. mm in. mm in.<br />
A 2900 114.17 4120 162.20 5400 212.60<br />
B 2000 78.74 3000 118.10 4000 157.48<br />
C 400 15.75 400 15.75 460 18.11<br />
D 500 19.68 720 28.34 940 37.00<br />
E 530 20.86 600 23.62 720 28.35<br />
F 60 2.36 60 2.36 101 3.97<br />
G 400 15.74 560 22.05 730 28.74<br />
H 330 13.00 430 16.93 550 21.65<br />
L 255 10.04 365 14.37 480 18.89<br />
M 230 9.05 330 13.00 430 16.92<br />
kW (hP) 1.05 (1.4) 3.0 (4) 5.5 (7.4)<br />
The data contained in this document is for information only and values are typical. Please contact<br />
<strong>Johnson</strong> <strong>Screens</strong> for confirmation.<br />
03
Providing over 100 years of experience,<br />
innovation and customer satisfaction.<br />
Contact us today.<br />
OUR WIDE RANGE OF PRECISION<br />
ENGINEERED EQUIPMENT IS<br />
SUITABLE FOR MORE APPLICATIONS<br />
THAN EVER.<br />
Turn to <strong>Johnson</strong> <strong>Screens</strong> ® to help<br />
maximise your operational efficiency<br />
and find long-term, trouble-free<br />
solutions. Discover our ever expanding<br />
range of products, designed with your<br />
needs in mind:<br />
WATER PROCESS AND FLUID<br />
TREATMENt<br />
Solids screening<br />
Complete line of headworks products<br />
Conveyors and compactors<br />
Package plants<br />
Sludge treatment<br />
Clarification<br />
Filtration<br />
Biological and advanced treatment<br />
Sludge dewatering and handling<br />
Industrial pumps<br />
Process performance chemicals<br />
ARCHITECTURE &<br />
CONSTRUCTION<br />
Column covers<br />
Custom lighting<br />
Exterior applications<br />
Furniture<br />
Interior applications<br />
Grating<br />
Wall cladding<br />
Steel Brite<br />
GENERAL INDUSTRIAL<br />
Centrifuge baskets<br />
Flat panel screens<br />
Inline strainers<br />
Laterals<br />
Nozzles<br />
Sieve screens and boxes<br />
Support grids<br />
Water treatment equipment<br />
MINERAL AND AGGREGATE<br />
PROCESSING<br />
Vee-Wire® screening systems<br />
Polyurethane screening<br />
Rubber screening systems<br />
Woven wire screening systems<br />
Screening accessories<br />
Wear linings<br />
Mill linings<br />
Fabrication<br />
HDPE pipe<br />
Water treatment equipment<br />
PULP AND PAPER<br />
Effluent treatment equipment<br />
Fibre line equipment<br />
Pressure screens, baskets, rotors<br />
Progressive Cavity Pumps<br />
Pulpers, extraction plate, rotors<br />
Reject handling equipment, drums<br />
Sieve bends, screen panels<br />
Water treatment equipment<br />
REFINING AND PETROCHEMICAL<br />
Centerpipes<br />
Distributor trays<br />
Inlet baskets<br />
Outlet baskets<br />
Overlay grids<br />
Scale traps<br />
Scallop screens<br />
Vessel internals<br />
WATER WELL<br />
Nu-Well chemicals<br />
PVC casings and risers<br />
PVC drop pipe<br />
PVC well screens<br />
Pre-packed well screens<br />
Rod-based well screens<br />
Stainless steel casings and risers<br />
Well screen fittings and accessories<br />
ON-SITE SERVICES<br />
Installation<br />
Inspection<br />
Repair<br />
Assistance<br />
Supervision<br />
AUSTRALIA - ASIA PACIFIC<br />
<strong>Johnson</strong> <strong>Screens</strong> Australia<br />
TEL.: +61 7 3867 5555<br />
FAX: +61 7 3265 2768<br />
EMAIL: salesasiapacific@johnsonscreens.com<br />
EUROPE - MIDDLE EAST - AFRICA<br />
<strong>Johnson</strong> <strong>Screens</strong> France<br />
TEL.: +33 (0)5 4902 1600<br />
FAX : +33 (0)5 4902 1616<br />
EMAIL: saleseurope@johnsonscreens.com<br />
A Weatherford Company<br />
NORTH, SOUTH & CENTRAL AMERICA<br />
<strong>Johnson</strong> <strong>Screens</strong> USA<br />
TEL.: +1 651 636 3900<br />
FAX: +1 651 638 3171<br />
EMAIL: salesamerica@johnsonscreens.com<br />
www.johnsonscreens.com<br />
Copyright ©2011 All rights reserved to <strong>Johnson</strong> <strong>Screens</strong> (Australia) Pty Ltd 1100.01
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