1 ThyssenKrupp Resource Technologies
Comminution systems today and tomorrow
VDMA Minerals Symposium
Lima, May 3rd, 2013
Rilmar Ojeda
3 ThyssenKrupp Resource Technologies
Which comminution technology will be applicable ?
4 ThyssenKrupp Resource Technologies
ThyssenKrupp Mining Capabilities
SAG & Ball Mill Technology
HPGR in Hard Rock Comminution
ThyssenKrupp Service Center
Agenda
5 ThyssenKrupp Resource Technologies
ThyssenKrupp Mining Capabilities
SAG & Ball Mill Technology
HPGR in Hard Rock Comminution
ThyssenKrupp Service Center
Agenda
6 ThyssenKrupp Resource Technologies
ThyssenKrupp Mining Expertise And Product Portfolio
Mining In-Pit Primary Crushing Conveying &
Overburden Spreading
Secondary Crushing
& Screening
HPGR Crushing Grinding Filtration Material Handling &
Transshipment
7 ThyssenKrupp Resource Technologies
ThyssenKrupp Mining Capabilities
SAG & Ball Mill Technology
HPGR in Hard Rock Comminution
ThyssenKrupp Service Center
Agenda
8 ThyssenKrupp Resource Technologies
SAG and BALL Mill Technology
ThyssenKrupp Resource Technologies
15 ThyssenKrupp Resource Technologies
First Approach of HPGRs to the Copper Industry
metallurgically
considered as a big
success!
widely percepted as a
failure due to
unresolved wear issues!
Cyprus Sierrita
1994 – 1996
POLYCOM 22/13
19 ThyssenKrupp Resource Technologies
Latest Trends in Copper / Mineral Ore Processing
New ore bodies have often been harder and lower grade
traditional SABC circuit
20 ThyssenKrupp Resource Technologies
Freeport – Cerro Verde, Peru
First Copper Concentrator built on HPGR technology
Freeport -
Cerro Verde
21 ThyssenKrupp Resource Technologies
Freeport – Cerro Verde, Peru
First Copper Concentrator built on HPGR technology
Secondary
Crushing
4 x MP 1000
Ball Milling
4 x BM 7.3 x 11.0 m
4 x Tertiary HPGR
24/17
Design capacity: 108,000 mtpd in operation since 2006
22 ThyssenKrupp Resource Technologies
Freeport – Cerro Verde, Peru
First Copper Concentrator built on HPGR technology
Secondary
Crushing
4 x MP 1000
Design capacity: 108.000 mtpd (> 120.000 tpd achieveable)
23 ThyssenKrupp Resource Technologies
Freeport – PTFI Grasberg, Indonesia
First quaternary HPGRs in a brownfield copper application
Freeport –
PTFI Grasberg
24 ThyssenKrupp Resource Technologies
Freeport – PTFI Grasberg, Indonesia
First quaternary HPGRs in a brownfield copper application
Quaternary crushing mode
brownfield installation
Objectives:
1. capacity increase @ same grind
2. higher recovery @ finer grind
25 ThyssenKrupp Resource Technologies
2 x POLYCOM 20 / 15
2 x 1,800 kW (each)
feed < 20 mm
1,200 - 1,400 tph (actual)
> 2.000 tpd (max)
in operation since 05 / 2007
Freeport – PTFI Grasberg, Indonesia
First quaternary HPGRs in a brownfield copper application
26 ThyssenKrupp Resource Technologies
Anglo Platinum – Mogalakwena North, RSA
First Platinum Concentrator built on HPGR technology
Anglo Platinum –
Mogalakwena North
27 ThyssenKrupp Resource Technologies
Newmont – Boddington Gold Mine, Australia
First Gold Concentrator built on HPGR Technology
Newmont –
Boddington Gold Mine
28 ThyssenKrupp Resource Technologies
Newmont – Boddington Gold Mine, Australia
96.000 tpd plant
4 x POLYCOM 24/17
2 x 2,800 kW (each)
> 2.100 tph (design each)
up to 3,000 tph
start-up in 2009
29 ThyssenKrupp Resource Technologies
AngloGold Ashanti – Tarkwa Mine, Ghana
First commercial HPGR for heap leaching of gold ore
AngloGold Ashanti –
Tarkwa Mine
in operation since 2009
30 ThyssenKrupp Resource Technologies
Goldcorp Inc. – Penasquito, Mexico
First HPGR for pebble crushing in a hard rock application
Goldcorp Inc –
Penasquito
Start up in 2010
31 ThyssenKrupp Resource Technologies
ThyssenKrupp Mining Capabilities
SAG & Ball Mill Technology
HPGR in Hard Rock Comminution
ThyssenKrupp Service Center
Agenda
32 ThyssenKrupp Resource Technologies
THYSSENKRUPP SERVICE CENTRE
Arequipa
Johannesburg
Shanghai Definition Service Centre: - Workshop with state-of-the-art large
machinery
park (incl. 220 t bridge crane, CNC-controlled
vertical boring & turning mill and horizontal
boring machine)
- Specially trained Polysius experts
Key task:
- local mechanical refurbishment and new
manufacture of large wear parts e.g.
POLYCOM
roll bodies
Currently, there are service centres in South
Africa, Australia and Peru (status 08/2011). Perth