Bucket Ladder Dredges

This type of dredges is also designed for the extraction of sand and gravel from wet mining pits and comes in both a land-based and floating type. The dredging depth of bucket ladder dredgers varies from 0 to 12 (or 14) meters for the land-based models and from 6 to 24 metres for the floating models. Similar to floating clamshell dredges, floating bucket ladder dredges are equipped with an onboard processing plant comprising a double or single deck screening machine, crusher, fine sand recovery, conveyor belt or hydraulic transportation to shore.

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Landbased bucket ladder dredge

  • Crawler type excavator
  • Stockpile conveyor, optional: slewing conveyor belt
  • Oversize separation with screen
  • Dewatering screen
  • Bin for dumper loading
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K 75 R

  • Bucket capacity: 0.098 y³/hr
  • Capacity: 47-188 y³/h
  • Chain driving power: 60 hp

K 125 R

  • Bucket capacity: 0.16 y³/hr
  • Capacity: 78-313 y³/h
  • Chain driving power: 74 hp

K 175 R

  • Bucket capacity: 0.22 y³/hr
  • Capacity: 110 – 445 y³/h
  • Chain driving power: 100 hp
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Floating bucket ladder dredge

  • Caterpillar chain
  • frequency controlled drive motors, dimensioning depending on dredging depth
  • dewatering screening machine
  • sand processing
  • transportation by conveyor belt
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KS 125

  • Bucket capacity: 0.16 y³/h
  • Capacity: 26-313 y³/h
  • Chain driving power: 74 hp

KS 175

  • Bucket capacity: 0.22 y³/h
  • Capacity: 104-430 y³/h
  • Chain driving power: 148 hp

KS 225

  • Bucket capacity: 0.29 y³/h
  • Capacity: 130-562 y³/h
  • Chain driving power: 214 hp

KS 250

  • Bucket capacity: 0.32 y³/h
  • Capacity: 157-628 y³/h
  • Chain driving power: 2 x 120 hp

KS 350

  • Bucket capacity: 0.45 y³/h
  • Capacity: 222-876 y³/h
  • Chain driving power: 2 x 148 hp

KS 400

  • Bucket capacity: 0.52 y³/h
  • Capacity: 248 – 994 y³/h
  • Chain driving power: 2 x 214 hp