Outokumpu Oyj · OMXHEX:OUT1V
Outokumpu Oyj — Technical Presentation (September 2013)
15 slides from Outokumpu Oyj's technical presentation, Sep 11, 2013
Slide 1: Chrome makes the steel stainless – Kemi Mine today
Chrome makes the steel stainless – Kemi Mine today Antti Pihko, Vice President – Kemi Mine September 11, 2013
Slide 2: Kemi Mine - the only chromite mine within European Union
Kemi Mine - the only chromite mine within European Union • Chrome deposit found in 1959, decision to open the mine in 1964 • Production started from open pit in 1968, annual volume increased > 1,0 Mt in 1985 • Underground mine was built in 1999 – 2003, production capacity doubled in 2010 - 2012 • Al
Slide 3: Ore formation
Ore formation • layered intrusion • consists of several ore bodies • dip 70o, average width 40 m • length 3 km • grade 29 % Cr2O3 • depth unknown Granite Talc carbonate Main pit Ore 9/9/2013 3
Slide 4: Kemi Mine - simplified long section
Kemi Mine - simplified long section SW NE Backfilling station 140 m3/s 70 m3/s 190 m3/s 115 Repair shop FAR2 EAR6 EAR3 EAR4 60 m3/s Final pit bottom Sublevel Caving area Trial Stoping area Backfill raise 1 275 277 Backfill raise 2 300 350 Repair shop and pump station 350 Surmaoja exploration tunnel
Slide 5: Mining method
Mining method Drifting Cable bolting Production drilling Charging and blasting Mucking 9/9/2013 5
Slide 6: Material flow after F3-expansion
Material flow after F3-expansion Ore 2 700 000 t/a 26.0 % Cr2O3 Upgraded HMS feed Lumpy Ore Crushing Heavy Medium Separation 400 000 t/a capacity 385 t/h capacity 231 t/h 35.5 % Cr2O3 utilization rate 80% utilization rate 80% Lumpy Rock Intermediate product fines HMS sludge Fine Stockpile for Grindi
Slide 7: Gravity based method for Lumpy Ore production
Gravity based method for Lumpy Ore production • Two stage gravity based separation (Heavy Medium Separation or Sink-Float- Method) • FL Smidth Wemco separation drums • No chemicals used • 1st rejection (Lumpy Rock) for mine backfill • Intermedium product for further crushing fine concentrating • T
Slide 8: Gravity separation with spirals for Fine Concentrate production
Gravity separation with spirals for Fine Concentrate production • Three stage gravity separation • No chemicals used • Coarse and Fine circuits • 456 spiral starts 9/9/2013 8
Slide 9: Re-circulation of process water
Re-circulation of process water ( Fresh water) 1 4 2 3 Occasional overflow as per permit 9/9/2013 9
Slide 10: Products of the Kemi Mine
Products of the Kemi Mine • Upgraded lumpy ore • 35.5% Cr2O3 (typical) • lump size 10 - 120 mm • annual production ~ 400 000 t (after F3 expansion) • Metallurgical grade fine concentrate • 45.0% Cr2O3 (typical) • average grain size 0.2 mm • annual production ~ 850 000 t (after F3 expansion) 9/9/2013
Slide 11: Tornio Works material flow
Tornio Works material flow FeCr Production Stainless Production Kemi Mine Ferrochrome Ferrochrome Works Raw Materials Slabs Steel Melting Shop Black Hot Coils Hot Rolling Mill White Hot Products Cold Rolling Mill Cold Rolled Products Finishing Plant Tube Mills Other Steel Mills End-users and Distrib
Slide 12: Personnel 1.1.2013 at Kemi Mine
Personnel 1.1.2013 at Kemi Mine • Mining and Geology • Outokumpu personnel • blue collar 65 • blue collar 121 • white collar 40 • white collar 60 • Concentrator • total 181 • blue collar 52 • Contractor personnel • white collar 15 • total appr. 120 - 150 • Warehouse and administration • blue collar
Slide 13: Strong improvement in lost-time injuries at Kemi mine
Strong improvement in lost-time injuries at Kemi mine 20 15 14 10 10 11 8 8 5 8 6 2 1 4 4 4 2 1 2 2 2 3 1 2 2 2 0 1 0 1 0 1 2000 01 02 03 04 05 06 07 08 09 10 11 12 2013 ytd Own Contractor 9/9/2013 13
Slide 14: Safety Instructions
SAFETY INSTRUCTIONS 9/9/2013 14
Slide 15: Our vision: A world that lasts forever
Our vision “A world that We believe in a world that is durable, sustainable, efficient, lasts forever.” and designed to last forever. The world deserves innovations that can stand the test of time and are ready to be born again at the end of their life cycle. Our materials are vital in enabling a su