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Cement

Cement

Macpump

IN BRIEF

A large cement company is intent on running its plant at the lowest cost possible. This has resulted in maintenance and operations personnel being performance rewarded for any reduction in cost found as the plant is operated. The Macpump has resulted in a far lower operating cost compared to other cement pumping technology, and the maintenance and operations personnel at the Boral plant have ensured they use dense phase pneumatic conveying over inefficient energy consumers such as screw pumps. The Macpump and other Macawber dense phase pneumatic conveying systems are direct replacements for energy and maintenance heavy screw pumps.

Download Case Study: Cement (pdf)

MATERIAL CHARACTERISTICS

  • Material: Cement
  • Bulk Density: 1000 kg/m3
  • Size: 360 Blane
  • Temperature: Ambient
  • Moisture: 0.2%
  • Condition: Free Flowing, Dry

SYSTEM OBJECTIVES
1. Reduce plant energy consumption
2. Ensure plant operating reliability
3. Integrate w/ plant control systems

SYSTEM PERFORMANCE

  • Transfer Capacity: 125t/h design rate
  • Conveying Distance: 286m
  • Reception Points: 6 Silos
  • Air Consumption: 95 Nm3/min

IMPROVEMENTS ACHIEVED
1. Exceeds design rate by 12%
2. Air consumption reduced to ¼ the consumption of screw pump blower
3. No electrical motor – further reduced energy requirement