Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:10 unit/month
General Introduction
u This cutter suction dredger is designed to operate in sheltered inshore waters and under tropical climate conditions. Build under enterprise standard with reference to ZC standard.
u She is of all welded steel construction ,bottom plate 8 mm thickness and shell plating 6 mm thickness, frame distance 500 mm, with 2 fixed spuds on the aft ,ladder support A frame in the front and 3 hydraulic operated winches ,2 double bollards(fwd and aft) and 1 single bollard in the center on each side.
u The whole dredger is dismountable in road transportable sections.
u The engines and dredge pump are located in the center pontoon, the 2 side pontoons serve as fuel bunkers, ballast tanks and store.
u Engine room and pump section are accessible by watertight hatches
u Cutter shaft runs on roller type bearings in an enclosed shaft housing flooded with lubrication oil a lock oil tank to ensure a positive pressure inside the bearing housing is located on top of the wheelhouse.
u The spacious control cabin is ergonomically designed fitted on a raised platform with all around non obstructed view ,2 operators consoles containing engine instrumentation and controls for winches, dredge pump, suction and discharge pressure gauges, navigation light controls, airconditioned and well insulated .
u Below the control cabin is a changing room located with table, chairs and washbasin
u The underwater section of the dredger is protected with a marine coating system and cathodic protection for use in a saltwater environment。
TECHNICAL SPECIFICATION CSD250 | |||
No. | Item | Description | Remark |
1. | General Principle |
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| (1). Overall Length | 26m |
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(2). Side Pontoon Size | 17m |
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(3). Main Pontoon Size | 11.0m |
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(4). Breadth | 5.2m |
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(5). Moulded Depth | 1.6m |
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(6). Mean Draft | 1.0m |
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(7). Dredging Depth | 10m |
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(8). Pumping Distance | 1000m |
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(9). Pump Flow Capacity | 1400m³/h |
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(10).Suction Pipe Dia | 350mm | Out Diameter | |
(11) Discharge Pipe Dia | 350mm | Out Diameter | |
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2. | Main Pontoon |
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| (1). Dimension | 11m*2.2m*1.6m |
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(2). Bottom Plate Thick | 10mm | ||
(3). Side Wall Thick | 8mm | CCSB marine plate | |
(4). Front and Rear | 14mm | CCSB marine plate | |
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3. | Side Pontoon |
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| (1). Dimension | 17m*1.5m*1.6m |
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(2). Bottom Plate Thick | 8mm |
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(3). Side Wall Thick | 6mm |
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(4). Front and Rear Thick | 6mm |
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4. | Main Engine |
| Drive dredger pump only |
| (1). Make | weichai |
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(2). Model | 8170 | Marine Engine. Cummins is optional | |
(3). Power / rpm | 601Kw @ 1500 rmp |
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(4). Fuel Consumption | 85L/h |
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(5). Cooling Style | Water Cooling |
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6. | Axle Generator |
| Driven by auxiliary engine |
| Make | STANFORD |
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Power / rpm | 24Kw |
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7. | Harbor Generator |
| Drive hydraulic pump & axle generator |
| Make | WEICHAI +STANFORD |
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Power / rpm | 24Kw |
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Fuel Consumption | 4L/h |
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Cooling Style | Air Cooling |
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Output Voltage | 220V/ 380V |
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8. | Dredge Pump |
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| Make | SHIJIAZHUANG |
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Model | 250G-G |
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Suction Pipe Diameter | 300mm |
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Discharge Pipe Diameter | 250mm |
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Head | 65m |
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Rpm | 650rpm |
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Water Flow Capacity | 1200m³/h |
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9. | Gearbox |
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| Model | L620 |
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Ratio | 2 : 1 |
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10. | Cutter |
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| Style | Hydraulic Motor+ Planetary Gearbox | |
Cutter Power | 60kw |
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Crown Diameter | 900mm |
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Cutter Out Diameter | 1000mm |
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Blades | 5pcs | High manganese alloy | |
Cutter Teeth | 33pcs | High manganese alloy | |
Rpm | 0-10-30rpm |
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11. | Ladder Winch |
| Hydraulic Drive |
| Winch Motor Brand | XINHONG | Sino-Italy Joint Venture |
First Layer Pull | 4 Ton |
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Wire Rope Dia | 18mm |
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Wire Rope Capacity | 120m |
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Wire Speed | 0-20m/min |
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12. | Swing Winch |
| Hydraulic Drive |
| Winch Motor Brand | XINHONG | Sino-Italy Joint Venture |
First Layer Pull | 4 Ton |
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Wire Rope Dia | 18mm |
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Wire Rope Capacity | 120m |
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Wire Speed | 0-20m/min |
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Quantity | 2 sets |
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14 | Spud |
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| Length | 13m |
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Diameter | 325mm |
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Weight | 2200Kg | Each | |
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15 | Spud Cylinder |
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| Cylinder Stroke | 2.0m |
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Cylinder Dia | 140mm |
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Working Pressure | 16Mpa |
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Travel Speed | 0.2m/s |
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17. | Anchor |
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| (1). Type | HHP Anchor |
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(2). Weight | 300Kg |
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18. | Operation Cabin |
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| (1). Operation Board | Control all dredger movement commands and monitor equipments running condition. PLC system from SIMENS | |
(2). Adjustable Chair | For dredger master. Leather. |
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(3). A/ C | One set |
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(4). Lounge | First floor cabin has space for two persons rest. | ||
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19. | Hydraulic System |
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| A. System Introduction | Hydraulic system is designed to supply power for winches, cutter, spud cylinder. Hydraulic pump separately is driven by engine free end.
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B. Hydraulic Motor | From Sino-Italy Joint Venture, YINING. Excellent working performance and durable usage life. | ||
C. Hydraulic Pump | NANJING | ||
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20. | Painting Principle |
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Introduction | Do sand blasting before welding. Use good quality marine paint with greater thickness. Paint system is 3 or 4 layers with minimum thickness of 400 micron on the below water line area | |
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19. | Electrical System |
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Introduction | All electrical components are from famous brand as Omron and CHINT. Equip overload protection box to control safety. Use high quality electrical marine type cables (smoke and halogen free). | |
20. | Navigation Tool |
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| (1). Elec-mag Compass | Equipped |
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(2). VHF-Radiotelephone | Equipped |
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