IHC Merwede
               Dredging and Mining


Willem Clements
Lead Engineer Mineral Processing
IHC Dredging and Mining
                                                     12 October 2009

                                                                   2



Contents
• Highlight IHC Dredging Installations
        • Trailing Suction Hopper Dredge
        • Bucket Chain Ladder Dredge
        • Bucket Wheel Dredge
        • Cutter Suction Dredge

• IHC Mineral Processing Equipment
       • IHC Jig – Land Based Installation
       • IHC Jig – Floating Installation
       • IHC Jig – Hardrock Installation
       • IHC Jig – Standard Container plant

• Conclusion
IHC Dredging and Mining
                                          12 October 2009

                                                        3



Highlight IHC Dredging Equipment
IHC Dredging and Mining
                                                        12 October 2009

                                                                      4



Trailing Suction Hopper Dredge




                      Excellent for off-shore aggregate mining
                      Land reclamation
                      Environmental dredging
IHC Dredging and Mining
                                                         12 October 2009

                                                                       5



Bucket Chain ladder Dredge




 Caterpillar track chains and bolt able buckets
 Less maintenance required due to tracks
 Increasing operational time
 Low noise level
IHC Dredging and Mining
                                                            12 October 2009

                                                                          6



Bucket Wheel Dredge




High volumetric concentration
Constant output regardless of swing direction
Can be used in adhesive soils such as plastic clay
Low spillage
IHC Dredging and Mining
                                                                     12 October 2009

                                                                                   7



Cutter Suction Dredge




        High cutting forces in compacted soils
        Easy on maintenance
        Versatile excavation tool in a broad range of soils
IHC Dredging and Mining
                                          12 October 2009

                                                        8



IHC Mineral Processing Equipment
IHC Dredging and Mining
                                           12 October 2009

                                                         9



IHC Jig - Land Based Installation
IHC Dredging and Mining
                                         12 October 2009

                                                      10



IHC Jig - Floating Installation
IHC Dredging and Mining
                                         12 October 2009

                                                      11



IHC Jig - Hardrock Installation
IHC Dredging and Mining
                                            12 October 2009

                                                         12



IHC Jig – Standard container plant
IHC Dredging and Mining
                                            12 October 2009

                                                         13



IHC Jig – Standard container plant
IHC Dredging and Mining

Flowsheet Container Plant          12 October 2009

                                                14
IHC Dredging and Mining
                                            12 October 2009

                                                         15



IHC Jig – Standard container plant (options)
IHC Dredging and Mining
                               12 October 2009

                                            16



Design of the IHC Jig
IHC Dredging and Mining
                                  12 October 2009

                                               17



Hydraulic Drive System

• Master unit
• Frequency controller
• Hydraulic cylinders
      • Master cylinders
      • Slave cylinders


• Sawtooth pulsation
IHC Dredging and Mining
                                                             12 October 2009

                                                                          18



Advantages of the IHC Jig

•   Excellent recovery (98% for gold)
•   Able to separate fine mineral grains (50 microns)
•   High capacities (12 module jig = 240 m3/hr solids)
•   Less sensitive to fluctuations in the feed (0 to 12 mm)
•   Low water consumption
•   Low power consumption
•   Low running costs
IHC Dredging and Mining
                                        12 October 2009

                                                     19



Gold recovered with an IHC Jig
IHC Dredging and Mining
                                                                       12 October 2009

                                                                                    20



Conclusion
IHC offers comprehensive packages for the alluvial mining industry.
IHC is a “one stop shop” for:
        •   Mining studies (Mineral Technological Institute)
        •   Wet excavation equipment
        •   Mineral processing equipment
        •   Control and automation solutions

Innovative custom build solutions
        •   Artic beaver for sand mining
        •   Deep sea Tin mining
        •   Two dredgers feeding one mineral separation plant
        •   Sustainable mining solutions
IHC Dredging and Mining
                                                12 October 2009

                                                             21




Thank you for your
    attention




                 WWW.IHCMINERALPROCESSING.COM
                 mineralprocessing.ts@ihcmerwede.com

IHC Merwede Dredging and Mining

  • 1.
    IHC Merwede Dredging and Mining Willem Clements Lead Engineer Mineral Processing
  • 2.
    IHC Dredging andMining 12 October 2009 2 Contents • Highlight IHC Dredging Installations • Trailing Suction Hopper Dredge • Bucket Chain Ladder Dredge • Bucket Wheel Dredge • Cutter Suction Dredge • IHC Mineral Processing Equipment • IHC Jig – Land Based Installation • IHC Jig – Floating Installation • IHC Jig – Hardrock Installation • IHC Jig – Standard Container plant • Conclusion
  • 3.
    IHC Dredging andMining 12 October 2009 3 Highlight IHC Dredging Equipment
  • 4.
    IHC Dredging andMining 12 October 2009 4 Trailing Suction Hopper Dredge Excellent for off-shore aggregate mining Land reclamation Environmental dredging
  • 5.
    IHC Dredging andMining 12 October 2009 5 Bucket Chain ladder Dredge Caterpillar track chains and bolt able buckets Less maintenance required due to tracks Increasing operational time Low noise level
  • 6.
    IHC Dredging andMining 12 October 2009 6 Bucket Wheel Dredge High volumetric concentration Constant output regardless of swing direction Can be used in adhesive soils such as plastic clay Low spillage
  • 7.
    IHC Dredging andMining 12 October 2009 7 Cutter Suction Dredge High cutting forces in compacted soils Easy on maintenance Versatile excavation tool in a broad range of soils
  • 8.
    IHC Dredging andMining 12 October 2009 8 IHC Mineral Processing Equipment
  • 9.
    IHC Dredging andMining 12 October 2009 9 IHC Jig - Land Based Installation
  • 10.
    IHC Dredging andMining 12 October 2009 10 IHC Jig - Floating Installation
  • 11.
    IHC Dredging andMining 12 October 2009 11 IHC Jig - Hardrock Installation
  • 12.
    IHC Dredging andMining 12 October 2009 12 IHC Jig – Standard container plant
  • 13.
    IHC Dredging andMining 12 October 2009 13 IHC Jig – Standard container plant
  • 14.
    IHC Dredging andMining Flowsheet Container Plant 12 October 2009 14
  • 15.
    IHC Dredging andMining 12 October 2009 15 IHC Jig – Standard container plant (options)
  • 16.
    IHC Dredging andMining 12 October 2009 16 Design of the IHC Jig
  • 17.
    IHC Dredging andMining 12 October 2009 17 Hydraulic Drive System • Master unit • Frequency controller • Hydraulic cylinders • Master cylinders • Slave cylinders • Sawtooth pulsation
  • 18.
    IHC Dredging andMining 12 October 2009 18 Advantages of the IHC Jig • Excellent recovery (98% for gold) • Able to separate fine mineral grains (50 microns) • High capacities (12 module jig = 240 m3/hr solids) • Less sensitive to fluctuations in the feed (0 to 12 mm) • Low water consumption • Low power consumption • Low running costs
  • 19.
    IHC Dredging andMining 12 October 2009 19 Gold recovered with an IHC Jig
  • 20.
    IHC Dredging andMining 12 October 2009 20 Conclusion IHC offers comprehensive packages for the alluvial mining industry. IHC is a “one stop shop” for: • Mining studies (Mineral Technological Institute) • Wet excavation equipment • Mineral processing equipment • Control and automation solutions Innovative custom build solutions • Artic beaver for sand mining • Deep sea Tin mining • Two dredgers feeding one mineral separation plant • Sustainable mining solutions
  • 21.
    IHC Dredging andMining 12 October 2009 21 Thank you for your attention WWW.IHCMINERALPROCESSING.COM mineralprocessing.ts@ihcmerwede.com