Machine Type

Luffing Coordinate Stacker

Facility

Millennium Coal Mine 
QLD, Australia

Capacity

2 x 1,700tph Stackers onto 250,000 tonne stock pile

Machine Name

Millennium 1 and Millennium 2

Material

Coal

Description

Luffing boom, long traveling with offset yard conveyors and tripper on shared rails

Commissioned

2005

Client

Millennium Coal Pty Ltd, now Peabody Pacific Pty Limited

PROJECT SUMMARY

The development of a coal preparation plant was awarded to ACT. A critical component in the daily operation of the coal preparation plant are two 1,200 tph product coal stackers. Christof and Helmut were engaged to design, develop detail design documentation and design audit these stackers.

PROJECT INCLUDED

  • Structural Analysis: Analysis of stacker structure for stress and buckling to AS4324.1.
  • Fatigue Analysis: Evaluation of structural stresses for nominal fatigue life capacity as indicated in AS4324.1 and AS4100 or alternatively BS7608.
  • Mechanical analysis of stacker components for stress and serviceability to AS4324.1 and/or AS1418.
  • Structural and mechanical detailing in the form of detailed assemblies, including equipment designations and material lists.
  • Pre-commissioning Audit of the stacker (mechanical and structural components) to AS4324.1 and Commissioning.