LKAB is planning to modernize its central (CA) hoisting plant consisting of eight mine hoists, B1 – B8, within the coming eight to nine years. The CA hoisting plant, the main artery of LKAB's production flow, raises ore from the sub level (898 m) up to ground level. ABB has supplied equipment for all 12 production hoists to the Kiruna Mine, five for the sub-vertical level and seven for the CA hoisting plant. LKAB ordered its first new hoist, B1, in 2014 from ABB.
ABB’s delivery includes entirely new mechanical equipment for the B3 hoist plant and shafts, new electrical and control equipment, construction, electrical installation, installation supervision, site management as well as commissioning. Only the existing motor for the hoist will remain; all other parts of the hoist will be completely new.
Hoists are among the most significant pieces of equipment in an underground mine, and must operate at the highest level of reliability and safety, as any potential failure can lead to catastrophic results.
“We are proud to be chosen again by LKAB, the leading iron ore supplier in Europe, for this important project,” said Oswald Deuchar, head of ABB’s Global Product Group Underground Mining. “The long history of cooperation between ABB and LKAB, and also ABB’s decades of deep knowledge and experience in mine hoist technology, were key factors in winning this order.”
ABB has a long tradition of cooperation with LKAB dating back more than 60 years. The first hoist was delivered to LKAB in 1948.
The delivery of the hoist B3 will start in the middle of 2017; it is scheduled be in operation in the middle of 2018.
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