Tsurumi slurry pumps clears silted dams
TSURUMI’S KRS slurry pumps, designed for the toughest slurry applications, are being applied at Australian mine sites to de-silt tailing dams.
The submersibles feature built-in high chromium agitators which stir up silt so it can be pumped out without the need to drain the pit.
Due to demand from mines, quarries and batch plants, the KRS series is now carried in stock by Tsurumi’s distributor, Australian Pump Industries (Aussie Pumps).
Aussie Pumps product manager Neil Bennett said Tsurumi’s KRS pumps are being used to remove the concentrated slurry from tailing dams in WA gold mines.
“The high chromium agitator stirs the silt that then passes through the pump so the dams don’t need to be drained to be cleared,” he said.
Tsurumi’s KRS slurry pumps are powered by four pole 1450 rpm slow speed motors from 9.5kW to 34kW.
Available in 80mm to 200mm bore diameters, the pumps can deliver flows up to 4000 lpm and heads to 31m.
The pump bodies are manufactured from high-grade cast iron with a high chromium impeller and agitator for wear resistance.
The pumps feature all of Tsurumi’s standard longevity attributes.
These include a unique anti-wicking cable entry that prevents water incursion due to capillary wicking should the power cable be damaged or the end submerged. The cable entry is absolutely watertight. The dual, double silicon carbide mechanical seal is completely enclosed in the oil chamber.
The seal is therefore always protected, cooled and lubricated by oil, thus eliminating spring failure caused by corrosion or abrasion.
And if that wasn’t enough, Tsurumi added an oil lifter.
The oil lifter is a patented guide vane inside the oil chamber that ensures the mechanical seal is lubricated even if the oil level falls or the pump is installed at an angle.
The top discharge design means that the liquid passes through the pump casing and cools the motor.
This means the pump doesn’t have to be fully submerged or even installed vertically.
“Tsurumi’s KRS series can link its heritage back to major projects of land reclamation carried out in Japan over the last 50 years,” Mr Bennett said.
“The pumps are built with Tsurumi’s fanatical approach to quality and shows their passion for products that won’t quit.”
Further information on the Aussie Pump Tsurumi series is readily available from Aussie Pumps, Aussie Pump mining partners throughout Australia, or www.aussiepumps.com.au.