Three CST units deliver 99 percent availability on the Kapurdi lignite mine’s 4.5 kilometre conveyor.
Initially the lignite was transported by truck. But according to company Sr. Vice President, Anil Sood, after two years of employing this method of transportation, mine officials determined that a long conveyor would be a better solution.
“Transporting the lignite on a conveyor is more environmentally friendly, with minimal pollution and dust,” explains Anil. “A conveyor is also a more cost-effective all-weather transport
ABB’s Dodge CST drives combine a planetary gear reducer with an integral wet clutch system to provide an efficient transmission of motor power and torque. This allows for a consistent smooth start-up and shut-down of long conveyor belts, which minimises peak loads and stresses on all the conveyor components. The double lip taconite sealing system with an added excluder seal prevents any contamination from entering the CST.
“We have been operating the mine at 100 percent capacity for more than two and a half years,” says Anil. “The CST drives have delivered 99 percent availability with no breakdowns and have only required oil replacement.”