- Lower maintenance costs and higher performance
- Easy operation and maintenance accessibility
- Positive, fully automatic cake discharge
- Proven, high-performance design
- Process control and DCS communication is available
Your simple, rugged and reliable solution to dewatering
High throughput, even in harsh environments or with abrasive or corrosive slurries
Our filter presses are designed with recessed or membrane/recess plates to produce minimum cake moisture. Filter plates are available in 1200, 1500, and 2000 mm square sizes.
The AFP IV™ Automated Filter design provides you with a simple, rugged and reliable solution to the special problems associated with solid-liquid separation processes.
These filters not only provide high throughput and efficient solids capture, but they also operate continuously, automatically, in harsh environments, and can handle abrasive or corrosive slurries. When coupled with simple systems and our operating philosophies, your operating costs are maintained at the lowest levels in the industry.
State-of-the-art filter press technology, including efficient and almost maintenance-free automatic features, help you achieve rugged and dependable performance for your individual applications. Our filter presses are operating in a multitude of conditions around the world, in countries such as Australia, Brazil, Canada, Kazakhstan, Mexico, Peru, Philippines, South Africa, United States, Uzbekistan and Zimbabwe.
Easy to operate and maintain
The Automatic Filter Press delivers a range of benefits from fully automatic cake discharge, easy operation and maintenance accessibility to lower maintenance costs and higher performance.
- Automated operation
- Various levels of automation can be achieved using PLC controller resident in the filter control panel. Customised instrument and control packages are available for integration with existing systems.
- Reduced abrasive wear through washing
- Thorough washing helps prevent media blinding and reduces abrasive wear on your sealing surfaces. Two wash headers run along the upper edges of the plate stack with nozzles positioned to completely wash every plate face and filter cloth. More advanced systems are also available.
- Less time required for plate shifting and cake discharge
- To reduce the time you need for plate shifting and cake discharge, our minerals filters utilise a long-stroke cylinder-driven crosshead to open and close the plate stack. More below in features.
- Quick media change-out
- With filter plates and media support frames designed for unobstructed lift out using a light-duty, overhead crane or lifting frame, you will benefit from fast and efficient change out. Cloths are changed offline while the filter continues to operate. Media cloths attach with a quick release rod and clip arrangement for fast, simple exchange.
Proven, high-performance design
Some of the key features of the AFP include push closure-cylinders mounted at centerline of press, rolling cross head for plate stacks longer than 50 chambers, automatic cloth washing apparatus, widespread beams and drip trays for liquid containment. Filter media is also available in a variety of materials and weave patterns.
Cloth shaker assists cake discharge
Vibratory discharge assist is provided by a hydraulically actuated cloth shaker that transmits a vibration directly to the filter cloths when one or more chambers fail to empty completely. To minimise the effects of vibration on other system components, the shaker mechanism is supported on a separate frame system.
Drip trays prevent rewetting of discharged cake
Hydraulically operated drip trays located beneath the filter prevent filtrate leakage and cloth wash water from rewetting previously discharged cake. Both single slope and gable designs are available.
Cylinder crosshead slashed cycle times
As mentioned, to cut the time you need for plate shifting and cake discharge, our mineral filters employ a long-stroke cylinder-driven crosshead to open and close the plate stack. Two short-stroke closing cylinders are mounted in a rolling carriage, which spans the filter sidebars. A hydraulically actuated chain drive or long-stroke cylinder moves the crosshead and linked plates quickly between open and closed positions. With the crosshead fully retracted, a uniform gap is opened between each plate, allowing all chambers to empty. The crosshead then returns the plates to filtration position where locking cylinders anchor the carriage. Closing pressure is applied to the plate stack and slurry feed resumed.
All hydraulic operation
Power for plate shifting, crosshead locking, filter closing, drip tray operation and cloth shaking is supplied from a single electrically driven hydraulic power unit. A filter-mounted manifold contains all required valves, switches, and gauges for hydraulic control.