JMD500 20 inch Self-propelled NEW cutter suction sand dredger ship for sale

The dredger we produced is self-propelled or non self-propelled,portable cutter suction dredger. The hull uses dismantle and box-like structure, assembly at working site, which is equipped with horizontal shifting devices, cutter ladder lifting devices, spud devices, deck crane and so on. It can also be equipped with anchoring poles and trolley devices to increase capacity.

Generally, it has functions on sand dredging, mud dredging, port building and deepening, sand and mud is conveying and discharging by pipeline and floater. It can produce certain amount of vacuum by the dredging pump.

a. The dredge pump is driven by the main diesel engine through the reducing gear box;

b. The alternator, which driven by the auxiliary diesel engine, supplies electricity for power and lighting of the whole dredger;

c. The engine brand can be Cummins engine, Deutz engine or Cat engine according to requirement; 

d. Custom building is supporting per: 

    1. Solid capacity;

    2. Dredging depth;

    3. Discharge distance. 

The design, construction, quality inspection is according to the standards and regulations of CCS. The hull, machinery equipments and other spares are at the requirements of CCS. The hull is square, cross keel, which is full welding steel structure, and authorized by CCS.

Dredger working condition

The Maximum Temperature                                                      50⁰C

The Minimum Temperature                                                       -10⁰C

The Maximum Temperature of engine room                         50⁰C

The Maximum Temperature of The River (Sea) Water         30⁰C

The Relative Humidity                                                               ≤80%

Main equipments on the dredger:

    ——Cutter head and driving system

    —— Frame of cutter head

  ——Frame of ladder A

    ——lifting winch for sand suction pipe

    ——Right and left traversing winch

    ——Operating room

    ——Dredging pump

    ——Deck crane

    ——Gearbox of dredging pump

    ——Main diesel oil engine and auxiliary diesel oil engine

    ——Generator and auxiliary equipment

——Position spud and accessories

13. Cutter suction dredger ship with double dredging pumps

1. Double dredging pumps, one is inside the engine room; the other on the cutter ladder; 

2. Maximum dredging depth can be 30m underwater; 

3. Discharge distance can be 2,000m

3. Engine can be Cummins engine, Deutz engine or Cat engine accordingly.