A New Dredger Ship Designed In Cooperation With China'S Famous Ship Design And Research Institute
1. Why Choose Leader Dredger Hydraulic Dredger Ship?
Material cutting.
The thickness of the steel plate is 6 mm, which is very strong and strong enough for this type of winch dredger. We carefully cut the material of the dredger with an automatic plasma cutter.
welding.
All our workers are senior welders with welding skills to ensure that the welding is beautiful and there is no gap.
painting.
After the dredger pontoon is completed, we will paint the small winch dredger with anti-rust paint and topcoat. The paint color of the dredger can be specified according to customer requirements.
The winch dredger is assembled for sale.
We assemble and connect sand pumps, water pumps, pump engines, winches, hand frames, sand suction rubber hoses and fuel tanks.
The dredger undergoes sales testing before delivery. We started the engine and checked the working condition of the pump and winch. After ensuring that all the dredgers for sale were in the design state, we delivered the dredgers for sale.
2 . About 18 Inch Dredger Ship Application
1. The sand dredger for sale is used for cleaning river silt, sand production and mining projuct.
2. Suitable for heavy duty opetations in tripical climates and in sheltered waters.
3. Applied to dredging rivers, lakes and ponds, reclaiming land, cleaning ports and pumping sand.
4. Mainly service for the master dredger and transporter for delivering sand to land.
3. About 18 Inch Dredger Ship Cutter Head
For one cutter head, there are 5 blade,6 or 7 teeth equipped on one blade. There is material Cr. for easy-wearing proof. Cutter head is driven by hydraulic motor; cutter bearing has lubrication seal-in units.
The cutter motor is hydraulic driven low speed and high torque heavy duty design. The cutter motor is mounted on the cutter front piece on the ladder end. A special cover is provided to protect the motor from damage due to sand, rocks and debris. The cover can be removed from easy inspection and maintenance.
About 18 Inch Dredger Ship Hydraulic winch
To support the ladder, a hoisting winch is provided at the front of the main pontoon, which is installed on a solid foundation. The winch is hydraulically driven by the reduction gear box in the winch structure. The winch has a disc brake, which is automatically activated when the pressure drops. The winch is operated from the control room
and has a fixed speed.
For the lateral pull of the ladder, there are two winches at the front of the main pontoon, which are installed on a solid foundation. The winch is hydraulically driven by the reduction gear box in the winch structure. The winch has a disc brake, which is automatically activated when the pressure drops. The winch is operated from the control
room with variable speed.
About 18 Inch Dredger Ship Hydraulic system
The hydraulic system is the most important part of the river sand dredger and bucket wheel dredger. The hydraulic system is very demanding and strict; it is the main artery of the entire sand dredger. The side traction winch of the dredger, the lifting winch and the cutting head are driven by hydraulic motors.
We use hydraulic pressure to drive the entire dredger, including winches, cutting machines, hydraulic cylinders, etc. The valve is REXROTH, and the hydraulic control system is SIEMENS PLC.
4. Leader Dredger LD3700 Technical Specifications
A . Dredging Features
| Standard dredging depth(m) Maximum mixture | 12m |
| capacity(m/h) | 3700m³/h |
| Solid capacity(approx) | 740m³/h |
| Dredging pump mode | 500/450mm |
B . Principal characteristics
| Overall length(m) | 35m |
| Breadth(m) | 7m |
| Draught(m) | 1.3m |
| Discharge distance(m) | 1800m |
| Total dry weight approx(MT) | 130MT |
| Ladder length | 19m |
C . Dredge pump: Australia technology Pump
| By alloy cast iron material for better abrasion resistance, abrasive, hardness, more than68HRC. | Bigger working capacity, more efficiency, driven through gearbox. |
| Maximum mixture capacity(m/h) | 3700m³/h |
| Solid capacity(approx) | 740m³/h |
D . Engine
| Main diesel engine(Cummins) | CAT C32 746kw |
| Auxilary engine | CAT C9.3 218KW |
| Total fuel consumption | ≤154kg/hr |
| Extra emergency generator set | 24kw(32Hp) |
5. Dredger Ship Feature
1. High efficiency, large output and long distance of pump.
2. Very simple and fast assembly and dis-assembly, afloat or onshore, simple operation ,easy to control.
3. Good economic performance. The digging and delivery of material can be completed one time.
4. Highly efficient fuel consumption and minimum overall operational costs.
5. Good access to all parts, especially the dredge pump wearing parts.
6. The dredgers can be made according to the customers’ request.
6. Hydraulic Cutter Suction Dredger Desgin
• Hydraulic pumps drive cutter, winches spud rams
• Main engine drives pump through gearbox
• pump inside engineroom
• Famous European-brand electric system and hydraulic system
• Engine room big and cool, and easy to maintain
• Dredge can be equipped with several options such as
• Design of high production long distance and reliability, easy control, simple maintenance
• Australian technology pump
Anchor booms/Spud carriages/Increasing The Dredging Depth/Self-Propell/Pump Booster station/GPS dredging System
7. Hydraulic System: German Brand Hydraulic Parts:
To drive: 1 cutter header, 1 ladder winch, 2 side winches,2 spud rams, 2 hydraulic pumps, and a lot of hydraulic valves The extra emergency pump can drive all hydraulic parts using the extra emergency generator set.
8.Leader Dredger Cutter Suction Dredger Customer
9. Cutter Suction Dredger Picture
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Steel Plate 3700m3/H 7m Breadth 130MT Dredger Ship Images
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