Pontoons
Project Details:
Total Value: $170 000
Year Completed: 2017
Duration: 5 months
Background:
The project involved the engineering and supply of multiple pontoons for pumping operations, delivering water from various dams to the process plant at the mine in Lesotho.
Description:
Four distinct pontoons were engineered, fabricated, and supplied to the mine. Each pontoon was equipped with Warman 8-6 pumps. The scope of supply also included floating walkways, 12-inch hoses, and hose floats to support the pumping operations.
Skid Mounted Sump & Pump Sets
Project Details:
Total Value: Approx. $1m
Year Completed: 2015
Duration: 2 years
Background:
Water used for cooling during drilling at the face of a copper mine in Zambia needed to be efficiently removed. As the mine expanded, a mobile pumping system was required to adapt to changing operational needs. The skid-mounted sump and pump sets were designed to be towed by a load haul dumper, enabling water from the mine face to be pumped into the sump and subsequently transferred to the surface once the sump was filled.
Description:
The skid sump has a capacity of 12 cubic meters and is designed to minimize material hang-up and reduce stagnant areas. The skid is equipped with two 75 kW pump sets operating in series, complemented by two additional 75 kW standby pump sets. The system delivers approximately 42 liters per second at a head of 140 meters.
Clarifier Drives
Project Details:
Total Value: $360 000
Year Completed: 2012
Background:
A need emerged for clarifier drive units to support water reclamation plants treating acid mine drainage. Five units were delivered, including two custom-designed variations for 18-meter and 24-meter clarifiers. The scope encompassed motors, gearboxes, and slew rings to form an assembly that actuates all moving components of the clarifier, excluding the shafts connected to the drive.
Description:
The system features two concentric shafts, with a smaller shaft mounted inside a larger-diameter shaft. The external shaft rotates faster than the internal sludge shaft, operating at a slow, constant speed with high torque. To achieve this, two gearboxes are positioned adjacent to each other. A geared slew ring transfers drive horizontally to power the outer concentric shaft, while the centrally mounted gearbox directly drives the internal shaft.
Ash Handling Pumps
Project Details:
Total Value: $20 000
Year Completed: 2005
Duration: 5 months
Background:
The project was undertaken to restore Camden Power Station to operational status to meet future power capacity demands. The ash handling system required upgrading to manage ash from the boiler ash hopper and precipitator hoppers, which is sluiced to the ash sump. From there, ash is pumped to the ash dam using a newly designed two-stage pumping arrangement, with pumps coupled in series. Due to the unavailability of the original Spargo ash pumps, KSB pumps were selected as replacements. The system transports ash from two ash sumps via four pipelines (each supported by two-stage ash pumps) to the ash dam.
Description:
The ash handling system comprises eight ash pump units and four ash pipelines, designed to operate similarly to the original Camden Power Station configuration. The duty cycles were carefully calibrated within the pump drive design to regulate the ash flow rate to the ring feed system at the ash dam. The scope of work included the specification and selection of the KSB ash pumps and designing the belt drive system to accommodate various duty points. Additionally, on-site support during the commissioning of the pumps were provided, ensuring successful integration and operation of the upgraded ash handling system.