Horizontal Belt Filters

Horizontal Belt Filters provide high extraction efficiency, low cake moisture, increased production and reduced operating costs while achieving maximum filtration area in comparison to other filter options. Horizontal belt filters maximize cake purity at minimum specific cost. Our filters are especially suited for applications requiring low cake moisture and multi-stage washing. Low energy consumption and high filtration rate make Horizontal Belt Filters an excellent choice for a wide range of processes.

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Sizes are available up to 257 square meters filtration area.

Engineering solutions for optimized designs

ANDRITZ has fully integrated engineering capabilities that enable accurate design with state-of-the-art technology to provide optimized equipment sizing and footprint.

Engineering capabilities include:

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• CFD analysis
• 3D modelling
• FEA analysis

 The wide variety of materials of construction and the bolted frame structure allow for modular designs that are customized to the clients‘ requirements.

Washing applications

High extraction efficiencies are the key to profitability in most washing applications, whether it is for gold, uranium, phosphoric acid, copper, or alumina. The horizontal vacuum belt filter can attain wash efficiencies of more than 99.8% as plug flow displacement and multi-stage counter-current washing is utilized over the filtration area.

Materials of construction

We offer a complete range of solutions for corrosive, abrasive and hot filtering applications; from the highest quality stainless steels to FRPs and plastics. The filter frames are manufactured from open channel and angle sections to prevent problems associated with corrosion when using box sections.

Cake discharge and transporter belt

Cake discharge on most applications is spontaneous, but ANDRITZ makes use of cake scrapers or water slides to ensure complete cake removal in the event of wet, sticky products. In addition, ANDRITZ has constructed the widest filters using 4.8 m rubber belts (available in natural rubber, SBR, neoprene, and EPDM, depending on the process requirements). All ANDRITZ transporter belts have a carcass-free center zone to ensure long life by preventing contact between the carcass and corrosive filtrates.

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