A centrifugal slurry pump is a type of centrifugal pump designed to handle abrasive and dense slurries in industries like mining, dredging, metallurgy, and power plants. Unlike standard water pumps, slurry pumps are built to withstand wear from solid particles suspended in the liquid.
Robust Construction
Made of wear-resistant materials (e.g., high-chrome alloy, rubber-lined, or ceramic-coated).
Heavy-duty shafts and bearings to handle high loads.
Open or Closed Impeller Design
Open impeller: Better for large solids and high abrasion.
Closed impeller: More efficient but prone to clogging with large particles.
Sealing Mechanisms
Expeller seals (dynamic seals) for moderate conditions.
Mechanical seals for high-pressure or corrosive slurries.
Gland packing with water flushing for traditional setups.
Hydraulic Design
Optimized to minimize turbulence and reduce wear.
Wider flow passages to prevent clogging.
Discharge Configurations
Horizontal or vertical designs (e.g., submersible slurry pumps for dredging).
Mining: Transporting ore, tailings, and process slurries.
Dredging: Removing sand, silt, and gravel from rivers/harbors.
Coal & Ash Handling: Pumping coal-water mixtures in power plants.
Mineral Processing: Handling abrasive slurries in refining.
✔ High efficiency in moving thick, abrasive mixtures.
✔ Durable construction for long service life.
✔ Customizable for different slurry types (pH, particle size, density).
✖ Higher maintenance due to wear from abrasives.
✖ Not ideal for highly viscous fluids (positive displacement pumps may be better).
Warman® (Weir Minerals) – Industry standard for heavy-duty slurry pumping.
GIW (KSB) – Known for high-performance slurry handling.
Metso Outotec – Specializes in mining and mineral processing pumps.
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