Sludge Screen0 pages

Water & Wastewater
SludgeScreen™ Advanced Pressurised In-line Sludge Screen
A Superior Screen with Reverse Function Versatility
Applications
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Designed for either direct tanker, pumped
feed or combination.
Wastewater Screening
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Ship-board preliminary treatment.
Sludge Screening
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Primary
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Secondary
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Imported
The SludgeScreen™ is an inline pressurised device that screens
and dewaters sludge in one operation. The enclosed system
reduces odour problems and has no washwater requirements.
Advantages
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Enclosed system, reducing odour problems.
Screening, dewatering and coarse material discharge in one operation.
No washwater requirement.
Fully automatic for either continuous or intermittent screening of sludges with varying dry solids content.
Continuous coarse material separation under pressure with loss of pressure dependent on sludge thickness
only.
Reverse function in manual mode to allow the retention cone to be backed off without disconnecting the air
supply.
Manufactured from impact resistant SG Iron to BS 2789 Grade 420/12.
Screening section screw manufactured from low carbon steel with stellite tipped flights.
Combined testing of control panel and machine before delivery.
Machine and control panel connected and fitted to platform prior to despatch to minimise installation time.
Drive Inlet
Screening Zone
Pressing Zone
Screenings Outlet
Sludge Inlet
To Sludge Digester
or Clean Sludge
Holding Tank
Operation
1)t Flow enters through the centre of a sludge inlet (red arrow).
2)t Sludge passes through the perforation and exits via the sludge outlet (blue arrow), whilst
To Container / Skip
the screenings are trapped inside.
3)t A rotating screw moves the screenings off the inside of the drum to the pressing zone.
4)t In the pressing zone the screenings are pressed against a retention cone which is
balanced against the drive load of the screw.
5)t Dewatered screenings are discharged by gravity via the screenings outlet (brown arrow).
turning water around ...®
Tel: 01353 645700 • Fax: 01353 645702 • www.hydro-international.biz