Filtration Services Ltd

Rotary Drum Vacuum Filters

Definition: Filtration is the mechanical

separation of solid particulates from a fluid.

Purpose of the filter is to:-

• remove the solids (filter cake)

• recover the liquid (filtrate)

Filtration and Separation

Filter System Requirements • Continuous operation

• System can be automated for incorporation

within the entire plant

• Minimum labour requirement for maintenance

• High equipment reliability

• Robust construction

We can supply • Rotary drum vacuum filter

– Continuous operation?

– Automation?

– Easy maintenance?

– Reliable?

– Robust?

YES

YES

YES

YES

YES

How a rotary drum vacuum filter works ...

As the panel is immersed,

the liquid is drawn through

the panel and the solids are

retained on the panel

surface.

As the panel continues to

rotate, air is drawn through

the panel to dewater the

solids.

The filtered solids are

removed from the

panel surface.

Vacuum is applied to the

panel through the rotary

valve assembly.

Solids

Discharge Filtration

Drying

Initial Dewatering

For a multi-panel system ...

Scraper discharge mechanism

RDVF – sectional view

Scraper Discharge

Rotary Drum Vacuum Filter (RDVF)

Filtration area from <1m2 to >60m2

Standard Scraper Filtration Circuit

Ancillary Equipment

All of the ancillary equipment is sized to suit the RDVF installation

• Filtrate receiver

• Filtrate pump

• Vacuum pump

• Blower

Filtration Services Ltd Unit 5, Sutton Mill, Byrons Lane

Macclesfield, Cheshire SK11 7JL

United Kingdom

Tel: +44 (0)1625 616109

Fax: +44 (0)1625 434678

Email: info@filtrationservices.co.uk

Website: http://www.filtrationservices.co.uk