Comminution training focus on HPGR’s and Mill Circuits:
(one to three day program)
(one to three day program)
1) Introduction of EdRockman IV LLC
a) People / Expertise
b) Product Lines
2) Overview mining process & plant layout
3) EdRockMan Engineering Presentation
a) Flowchart of a mining process
b) Overview AggFlow and/or mine system layout planning.
4) Comminution
a) How, what, why where of comminution.
b) Comminution circuits & types of grinding circuit
c) Rotary mills.
g) Ultrafine grinding
h) Fracture mechanics and shape of particles
5) HPGR’s
a) Comparison of the available technologies
b) Roller Press Movies
c) Dry HPGR Multi Client Study
d) Feasibility of Dry HPGR grinding systems
e) HPGR versus SAG Mills
f ) Pebbles in Hard Rock Mining
g) HPGR Design components
h) Stephan Kirsch Polysius HPGR presentation
i) Metso HRC Presentation
j) Metso HPRC and Vertimill Circuit Morencie SAG Presentation.
k)Metso Building the World’s largest HPGR at Morencie
l) FLS HPGR Roller Press
m) MBE-CMT Presentation
n) Weir/KHD presentation
o) Scale up and Sizing a HPGR
p) Control Systems for HPGR
q) Randol Conference HPGR Energy efficiency as related to Work Index
r) Cost Studies HPGR Circuits versus SAG / Ball Mill Circuits
6) How to size Mills: Sag Mill, Ag Mill, Stirred mills, vibratory mills, etc.
a) Mike Daniel presentation on SAG Factors AxB sizing
b) Optimization of SAG Mills circuits using Pebble crushing and HPGR
c) Bond testing & interpretation
7) Mill power draw modellinga
a) Effect of mill speed, mill filling, ball charge and slurry density
b) Fully autogenous (AG) versus Semi Autogenous (SAG) milling
8) Circuit Design Concepts
a) Economies of Scale, Have we reached the limit?
b) Ore type and grind size
c) SAG Vs. HPGR Vs. Crushing Vs. Ball Milling.
d) To SAG or not to SAG
e) Worked example - Total circuit specific energy, which circuit is best for me?
f) Key factors to select Unitary Ball Mill versus SAG / Ball Mill Circuit
g) Flow Criteria / Retention as Design Limit for large Mills
9) FGD System circuits
a) Limestone grinding circuits selection
b) Lime slaking systems for Utilities
c) Understanding the scrubber process (Wet and Dry Reagent Systems)
a) People / Expertise
b) Product Lines
2) Overview mining process & plant layout
3) EdRockMan Engineering Presentation
a) Flowchart of a mining process
b) Overview AggFlow and/or mine system layout planning.
4) Comminution
a) How, what, why where of comminution.
b) Comminution circuits & types of grinding circuit
c) Rotary mills.
- Rod Mills
- Ball Mills
- SAG / AG Mills
- Metso Assembly of Cadia Mill
- Metso Horizontal Mills
- Comparison of the available technologies
- Introduction to fine grinding ppt
- TowerMill presentation
- VertiMill
- Deswick Stirred Mills
- Sam Mills / Union process
- Palla Mill
- General Kinematics Vibra-drum
g) Ultrafine grinding
h) Fracture mechanics and shape of particles
5) HPGR’s
a) Comparison of the available technologies
b) Roller Press Movies
c) Dry HPGR Multi Client Study
d) Feasibility of Dry HPGR grinding systems
e) HPGR versus SAG Mills
f ) Pebbles in Hard Rock Mining
g) HPGR Design components
h) Stephan Kirsch Polysius HPGR presentation
i) Metso HRC Presentation
j) Metso HPRC and Vertimill Circuit Morencie SAG Presentation.
k)Metso Building the World’s largest HPGR at Morencie
l) FLS HPGR Roller Press
m) MBE-CMT Presentation
n) Weir/KHD presentation
o) Scale up and Sizing a HPGR
p) Control Systems for HPGR
q) Randol Conference HPGR Energy efficiency as related to Work Index
r) Cost Studies HPGR Circuits versus SAG / Ball Mill Circuits
6) How to size Mills: Sag Mill, Ag Mill, Stirred mills, vibratory mills, etc.
a) Mike Daniel presentation on SAG Factors AxB sizing
b) Optimization of SAG Mills circuits using Pebble crushing and HPGR
c) Bond testing & interpretation
- Bond test procedure.
- Understanding correction factors.
- Sizing Mill lecture EHW
7) Mill power draw modellinga
a) Effect of mill speed, mill filling, ball charge and slurry density
b) Fully autogenous (AG) versus Semi Autogenous (SAG) milling
8) Circuit Design Concepts
a) Economies of Scale, Have we reached the limit?
b) Ore type and grind size
c) SAG Vs. HPGR Vs. Crushing Vs. Ball Milling.
d) To SAG or not to SAG
e) Worked example - Total circuit specific energy, which circuit is best for me?
f) Key factors to select Unitary Ball Mill versus SAG / Ball Mill Circuit
g) Flow Criteria / Retention as Design Limit for large Mills
9) FGD System circuits
a) Limestone grinding circuits selection
b) Lime slaking systems for Utilities
c) Understanding the scrubber process (Wet and Dry Reagent Systems)