• ANDRITZ GROUP
  • SEPARATION products
  • Screens, drains, and presses
  • Horizontal vacuum belt filter HVBF

Horizontal vacuum belt filter

Continuous filtration for optimum cake moistures

The horizontal vacuum belt filters by ANDRITZ Delkor (Pty) Ltd. offer numerous advantages for process plants:

  • High filtration rates and large tonnage capabilities
  • Excellent washing efficiencies and lower cake moisture
  • Long service intervals and low maintenance costs
Se-sst-hvbf-plant

Largest belt filter plant in the world consisting of 26 HVBF units each with 80 m² filter area

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Typical cake discharge on a horizontal vacuum belt filter

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Applications

  • Dewatering
    • Coal fines, Rutile/zircon and titanium sands, Iron ore fines (both hematite and magnetite), Pyrites, Nickel, Zinc, Lead, Copper, Phosphate rock
  • Washing
    • Gold/silver recovery in cyanide process, Washing of phosphate rock, Nickel/cobalt and manganese salts, Uranium for SX recovery, Potash/soda ash and lithium salts, Acid-leached copper and cobalt, Recovery of alumina from sintered mud, Vanadium leached from magnetite, Hemihydrate and dihydrate calcium sulfate from phosphoric acids

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

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.

Transporter belt

We have constructed the widest filters using 4.8 m rubber belts. These are available in natural rubber, SBR, neoprene, and EPDM, depending on the process requirements. All our 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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ANDRITZ AUTOMATION is a leading supplier of machines and plant control systems with 65 sites worldwide.

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ANDRITZ SEPARATION
ANDRITZ DELKOR (Pty) Ltd.
South Africa
+27 (11) 012 7345
separation@andritz.com
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