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Lennart Mukka

Extension of the main ventilation system at LKABs Kiruna Mine for the new main haulage level 1365 m. Lennart Mukka. Outline. Introduction Existing mine ventilation system New ventilation system for the production areas New ventilation system for the central area Conclusions.

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Lennart Mukka

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  1. Extension of the main ventilation system at LKABs Kiruna Mine for the new main haulage level 1365 m Lennart Mukka

  2. Outline • Introduction • Existing mine ventilation system • New ventilation system for the production areas • New ventilation system for the central area • Conclusions

  3. Luossavaara Kiirunavaara AB LKAB • LKAB is the largest producer of iron ore products in EU • Annual production is about 25 million tonnes • The customers are steelworks in Sweden, Europe, Far East and Middle East

  4. Operations

  5. Orebody Kiruna Orebody Kiruna

  6. Outline • Introduction • Existing mine ventilation system • New ventilation system for the production areas • New ventilation system for the central area • Conclusions

  7. Main Ventilation System KV25/29 Exhaust KV2610 KV25/29 Fresh KV33/36 KV40/44 KV10/12 KV15/20

  8. Main Ventilation System

  9. Main surface fan house installation KV40/44

  10. Outline • Introduction • Existing mine ventilation system • New ventilation system for the production areas • New ventilation system for the central area • Conclusions

  11. New ventilation system for the production areas • Investigations for a new main haulage and ventilation system, 2005-2007 • Ventilation of the production areasamount of air relative todaycorrected to higher production 25 to 35 Mt/year • Diesel exhaust gases, 0.08 m3/sek/kW • Main haulage level with train

  12. Outline A

  13. Outline • Introduction • Existing mine ventilation system • New ventilation system for the production areas • New ventilation system for the central area • Conclusions

  14. Main haulage level 1365m and sinking of the lower hoisting system Hoists Ore pass groups 1045 m Hoists Sea ore body 1365 m

  15. Outline • Introduction • Existing mine ventilation system • New ventilation system for the production areas • New ventilation system for the central area • Conclusions

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