January 2015 marked a major milestone for a hoist system upgrade at a mine in Canada's Saskatchewan Province, installation and commissioning was completed for its new SIEMAG TECBERG ground-mounted 12-MW Koepe hoist.
5-m diameter, six-rope Koepe hoist directly connected to dual 6,000 kW AC motors.
The 5 m diameter circular shaft is about 1,000 m deep and is equipped with two 5 t capacity skips, driven by an ASEA-Siemens Koepe hoist using 48 mm diameter ropes.
Rope-guided skips, travelling at 10 m/s and driven by a 4-cable tower-mounted Koepe hoist, have the capacity to raise 240 t/h.
It had comparatively modern equipment including scrapers, and shafts equipped with Koepe hoists.
When he thinks of the crowning achievements, Detlef Scheppe, executive vice president-hoisting technology mining, points to engineering feats such as the recent challenge of the largest integrated Koepe hoist.
Mobile Friction Winches can handle one to six ropes simultaneously to or from the Koepe hoist rope handling activity.
Complete project scope includes a 6-m Koepe hoist
, a 4-m Blair hoist, three induction motors and medium-voltage MV7000 AC drives, transformers, switchgear, low-voltage motor control centers, and a complete control and automation system.
The Koepe hoist
was sold in September 1989, and the man/materials hoist converted to rock hoisting.