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Mining and Fragmentation: proposal for a more efficient mine management. Iván Carrasco – First Quantum Minerals Benjamín Cebrián - Blast Consult S.L. www.blast-consult.com. IVAN CARRASCO. Index. Industry challenges Current management chart: pros and cons

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mining and fragmentation proposal for a more efficient mine management

Mining and Fragmentation: proposal for a more efficient mine management

Iván Carrasco – First Quantum Minerals

Benjamín Cebrián - Blast Consult S.L.

www.blast-consult.com

index
Index
  • Industry challenges
  • Current management chart: pros and cons
  • Fragmentation costs & The value chain
  • Proposed management chart
industry challenges
Industrychallenges

PROJECT SUCCESS

current arrangement1
Current Arrangement

Industrial Psychology of Mine and Mill Managers

  • Same company… but different goals.
  • Different approaches… but same ore!

A Game of Thrones…

current arrangement2
CurrentArrangement

Mine Department

  • Mining Engineer
  • Drilling and Blasting
  • Loading and Hauling
  • Ancillary Services
  • Mine Maintenance
  • Mine Planning
current arrangement3
CurrentArrangement

Mill Department

  • Metallurgical, Chemical or Industrial Engineer
  • Crushing
  • Grinding
  • Ancillary Services
  • Mill Maintenance
  • Flotation – LX - SX/EW.
  • Tailings management.
mine manager
Mine Manager
  • “I have accomplished my tonnage goals”
  • “I have to look after MY costs and MY budget”
  • “Since I cannot cut on fuel costs, I will cut on explosives costs”
mill manager
Mill Manager
  • “The grade you sent is lower than declared”
  • “You are sending boulders that plug my crusher”
  • “My steel and kwt/h costs are high and throughput is low ”
slide13
CEO

“You supply your planned tonnes & grade”

“You give me the monthly metal production”

“And do not forget: keep your costs low, guys…!”

fragmentation the value chain
Fragmentation & Thevaluechain

Energy as a project key driver.

case study
Case study

CoarseFragmentationonhard rock mine

case study1
Case study

D80 vs PrimaryCrusherThroughput at Aguablanca Nickel Mine (Aden Muñoz et al)

opportunities
Opportunities

A well managed fragmentation process has significant overall cost-saving potential:

  • Increasing resource recovery.
  • Reducing dilution (increase the grade delivered to the mill).
  • Reducing power consumption at the mill.
  • Increasing mill throughput.
  • Reducing metal losses (fines).
  • Increasing OEE at the crushing plant.

This new approach should be incorporated to the Corporate’s Culture.

fragmentation department
Fragmentation Department

A key area to achieve Corporate goals.

Objectives:

  • To reduce the size of the ore from a bulk in situ mass to fit the bottleneck at the mill.
  • To manage efficiently the overall fragmentation of ore:
    • As a single process
    • Under the same budget
    • Under the same management from the Mine to the Process Plant (flotation, LX or others).
  • To increase the valuable metal recovery
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