Bucket Ladder Dredgers

This type of dredger 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) metres for the land-based models and from 6 to 24 metres for the floating models. Similar to floating clamshell dredgers, floating bucket ladder dredgers are equipped with an on board 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 dredger

  • 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: 75 l
  • Capacity: 36 – 144 m³/h
  • Chain driving power: 45 kW

K 125 R

  • Bucket capacity: 125 l
  • Capacity: 60 – 240 m³/h
  • Chain driving power: 55 kW

K 175 R

  • Bucket capacity: 175 l
  • Capacity: 84 – 340 m³/h
  • Chain driving power: 75 kW
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Floating bucket ladder dredger

  • 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: 125 l
  • Capacity: 20 – 240 m³/h
  • Chain driving power: 55 kW

KS 175

  • Bucket capacity: 175 l
  • Capacity: 80 – 330 m³/h
  • Chain driving power: 110 kW

KS 225

  • Bucket capacity: 225 l
  • Capacity: 100 – 430 m³/h
  • Chain driving power: 160 kW

KS 250

  • Bucket capacity: 250 l
  • Capacity: 120 – 480 m³/h
  • Chain driving power: 2 x 90 kW

KS 350

  • Bucket capacity: 350 l
  • Capacity: 170 – 670 m³/h
  • Chain driving power: 2 x 110 kW

KS 400

  • Bucket capacity: 400 l
  • Capacity: 190 – 760 m³/h
  • Chain driving power: 2 x 160 kW