Sunday, March 8, 2015

PALM OIL MILL DESIGN - KERNEL RECOVERY STATION

Key points to consider for design of kernel recovery station ;

NUT SILO AND HEATER
  • nut to FFB ratio - 12%
  • drying time - 14 hour
 RIPPLE MILL
  • throughput - 4 mt/hr to 8 mt/hr
  • efficiency - >95%
DRY SEPARATION
  • separation velocity - 11 m/s to 13 m/s (remove 5% light particles)
  • conveying velocity - 16 m/s to 18 m/s (prevent accumulation in ducting)
  • cracked mixture to FFB ratio - 12% to 15%
  • air to cracked mixture ration - 4 : 1
  • air density at 27C - 1.1777 kg/m3
  • bucket capacity - 85%
  • motor efficiency - 75%
  • chain speed - 0.3 m/s
  • bucket spacing - 0.3 m
  • elevator height - 15 m
  • bulk density cracked mixture - 540 kg/m3
  • gravity - 9.81 m/s
  • conveyor velocity - 16 m/s
  • separation velocity at 27C - 13 m/s
WET SEPARATION
  • cracked mixture to FFB - 12% to 15%

Source - Masrawana Mohd. Masran's Collection

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