High Efficiency Sand Cutter Suction Dredger
Equipped on cutter suction ship, the reamer head for sand
mixing once the reamer rotating, then the centrifugal pump
will extract the mixture; at last, the pipe will discharge it.
| | Description of Item | Dimensions/Instructions |
1.01 | Overall | |
| | Length over all (Pontoons) (about) | 20.00m |
| | Breadth (about) | 6.10 m |
| | Depth (about) | 1.55m |
| | Draught loaded (maximum) | 0.8m |
1.02 | Dredging installation | |
| | Inner diameter of suction pipe | 450mm |
| | Inner diameter of discharge pipe | 350mm |
| | Discharge distance | 200m |
| | Dredging depth up to | 6.00m (ladder angle 45) |
| | Production capacity/output | Output of dredge pump of 220m3/hour (minimum) at a discharge distance of 200m at 6.0mdredging depth calculated at a volumetric concentration of 20% and deceive solid grain size of 235-440µm666 |
1.03 | Dredger pump | 1.Main pump 250NDE-35F, water flow 1100m3/h. delivery lift:22m ,rotate speed 730 r/min,shaft power 111KW, supportting power:180 KW. |
1.04 | Engine for sand pump drive | WEICHAI 6160 MODEL |
1.05 | Cutter | Cutter head diameter 1.2m |
| | Wearing parts on cutting edges | Knives replaceable |
1.06 | Two set of hydraulicgauge pile | |
| | Diameter | 550mm |
| | Length | 10m |
| | System | Full hydraulic system |
1.07 | Operating Cabin | The Operating Cabin is to be properly insulated with air coolers fitted, Considering high temperature of some countries . The Cabin should be spacious enough for working 3-4 persons (for training etc). To be provided with an adjustable chair for operator/dredge Master. All controls, instrumentation etc, are to be positioned in the operating desk. Suction depth indicator dredge pump vacuum and discharge pressure meter are also to be fitted in the operating desk. Any other facilities required for operation are to be provided. |
1.08 | Hydraulic System | Hydraulic system of proven design & reputed make to be used for operation of winches, cutter, spuds etc. All components are to be of proven design for trouble free |
