Northern Iron Ore Carried Out Important Repairs – Key Work in the Water Slurry Circuit
Specialists at Metinvest Northern Iron Ore organised and carried out a three-day shutdown to repair components and assemblies that cannot be serviced during regular scheduled maintenance.Special attention during the shutdown was given to ore beneficiation plants No. 1 and No. 2, the industrial water supply and slurry facilities shop, pelletising shop No. 2, three crushing plants, and the networks and substations shop. Open-pit mines and ore transportation shops continued working during the downtime.All processing facilities of Northern Iron Ore were also stopped during the three-day shutdown. A large amount of repair work was done at OBP-1. The team replaced DN 1200 main valves in switching chambers No. 5 and No. 6; replaced DN 800 gates in sections 17, 18, 19, 21, 22, 26 and 27; replaced DN 500 valves for slurry pumps; and replaced DN 300 valves in the vacuum pumping station. At OBP-2, the filtration unit valves were replaced; maintenance was carried out on the six-jet slurry separat