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Flow, Wear, Abrasion, Erosion-Corrosion

Castings continue to play a major role in the mining, mineral processing, dredging, off-shore oil extraction and suffer from wear, erosion, abrasion and erosion-corrosion due to the presence of sand, solid particles and salts.

HYDRAULIC SLURRY LAB

A better understanding of wear through energy consumption in a sand carrying hydrocarbon, a dredged or mineral processing pipeline is achieved by testing in a slurry loop. At Splitvane we offer complete tests for Newtonian and non-Newtonian flows in 3″ and 8″ loop. The pipeline rheology, critical velocity data is used to optimize the engineering design of pipelines and pump stations.

Special Impellers with Split Vanes

Impellers in compressors and pumps suffer from a phenomenon of slip and recirculation leading to flow different from theoretical design at the best efficiency point.

wellstation

We developed a special impeller with secondary vanes to reduce slip through slurry pumps. The design is available for new pumps or as a retrofit for existing pumps. It is offered for handling mineral froth where the combination of solids, liquid and air would cause de-rating and poor performance of conventional slurry pumps.

  • Original Patent application made in Canada in 1994 – CA 2120977A1- More than 20 years of development

All designs are tested through our engineering lab or by field testing in coordination with the owner.

Splitvane Surry Sump Pump

Impeller with Secondary Vanes for a Slurry Sump Pump

Froth-handling impeller

Froth-handling impeller with alternating primary and secondary vanes

Froth-handling-impeller-with-alternating-primary-and-secondary-vanes

The Split Vane is a small secondary vane inserted at the tip of the impeller between the principal vanes.

The split vane stabilizes the flow of very tenacious froth by helping to break up large gas bubbles. The split vanes start at a diameter that permits the same solid sphere diameter as at the impeller eye between the principal vanes.

double suction pump

Double Suction Pump with strainer on each suction, using the double suction impeller with alternating primary and secondary vanes.