Metso’s Latest Innovation Makes Changing Liners Safer and Faster

Metso has developed a solution to ease the maintenance of Vertimill Grinding Mills. The innovative Vertimill Liner Lifting Fixture speeds up the changing of the mill liners and makes it safer. Metso has been testing the tool at a customer site since June 2013 and it will be available for existing and future customers in early 2014.

The new Vertimill Liner Lifting Fixture was designed to meet growing customer demand for a more efficient way to handle liner changing. As new, larger Vertimill Grinding Mills with correspondingly larger and heavier liners have caught on, the traditional method of installing the screw liners with basic lifting tools has proven difficult and unsafe.

“Our approach was to work backwards from what clients need and want so our design is unique in the way that all operational constraints are considered and will offer a flawless solution by combining Metso experience and customer feedback,” said Clive Heath, technical development manager, Life Cycle Services, Metso Mining and Construction. “You cannot perform today’s tasks with yesterday’s methods and expect to be in business tomorrow.”

The high-capacity vertical grinding mill has proven to be a versatile tool that exhibits many advantages over traditional ball milling. In comparison to traditional ball mills, in fine and regrind applications, the Vertimill mills can perform the same grind with 30 percent to 50 percent less energy and significantly lower grinding media consumption.

The Vertimill application range is also being extended into the coarse and secondary applications, creating more energy saving opportunities.

Furthermore, the machine has fewer moving parts than a ball mill, translating into faster and cheaper installation, lower maintenance and operating costs. These features bring substantial savings for mining companies.

Metso Mining and Minerals, 

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