In this presentation an historical perspective of the origins of Mine-to-Mill is described and is followed by a discussion of how AG/SAG feed size affects throughput and specific energy and the factors that in turn influence AG/SAG feed size, such as ore hardness, Run of Mine (RoM) size distribution and crusher operation (both primary and secondary). The role of the intermediate stockpile between the primary crusher and AG/SAG mill is also described in terms of how it affects size distribution. Hitherto unpublish full-scale plant data are used to illustrate various points.
About this series
This is a 3-part series of presentations for Minerals Processors to provide an introduction to the understanding of, and tools necessary to conduct Mine-to-Mill programmes from a blasting and comminution perspective. Its aim is to provide the basics for Minerals Processors to help them achieve a successful outcome.
The 3 parts are entitled:
- The influence of feed size on AG/SAG milling
- An introduction to blasting
- Changing AG/SAG feed size through blasting
As far as possible use is made of data and information from published papers.
References
- Blasting for Mine to Mill Optimisation.pdf
- Grinding Circuit Expansion at Kidston Gold Mine.pdf
- Influence of Feed Size on AG_SAG Mill Performance.pdf
- Mine to Mill Optimisation at Paddington Gold Operations.pdf
- Modelling and Simulation Techniques Applied for Optimisation of Mine to Mill Operations and Case Studies.pdf
- Modelling Fines in Blast Fragmentstion and its Impact on Crushing and Grinding.pdf
- Optimization of the Cadia Hill SAG Mill Circuit.pdf
- The Importance of Primary Crushing in Mill Feed Size optimisation.pdf
- The kuz ram fragmentation model 20 years on.pdf
- The relationship between fragmentation in mining and comminution circuit throughput.pdf
- Tracking and quatifying value from mine to mill improvement.pdf
