Mining and fragmentation proposal for a more efficient mine management
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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

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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


Ivan carrasco

IVAN CARRASCO


Index

Index

  • Industry challenges

  • Current management chart: pros and cons

  • Fragmentation costs & The value chain

  • Proposed management chart


Industry challenges

Industrychallenges

PROJECT SUCCESS


Industry trends

Industrytrends


Current arrangement

CurrentArrangement


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 vs mill manager

Mine vs Mill Manager


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 ”


Mining and fragmentation proposal for a more efficient mine management

CEO

“You supply your planned tonnes & grade”

“You give me the monthly metal production”

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


Riotinto mine 5 000 years

Riotinto mine (5.000 years)


A story of two cities

A story of two cities…


Fragmentation the value chain

Fragmentation & Thevaluechain

Energy as a project key driver.


Mining and fragmentation proposal for a more efficient mine management

Fragmentation & The value chain

Energy consumption.


Mining and fragmentation proposal for a more efficient mine management

Fragmentation & The value chain

Energy costs.


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


Mining and fragmentation proposal for a more efficient mine management

END


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