High Performance Cutter Suction Dredger Accelerate Dredging Work in
African
Product Description
Cutter Suction Dredger is a common and important engineering ship,
widely used in the fields of channel dredging,
port construction, land reclamation, etc.
Working Principle
The working principle of the cutter suction dredger is based on
mechanical cutting and hydraulic transportation.
The sediments such as mud, rock and so on on the bottom of the water are cut and crushed
by the rotating augerdevice,
and mixed with water to form mud. Then, the suction generated by the mud pump on the ship is used tosuck the
mud through the suction pipe, and then transport it to the designated location through the mud dischargepipe, such
as the yard or other storage area on the shore.
product parameters:
YSCSD450 solid capacity 500 cbm/h hydraulic cutter suction dredger |
Technical specifications |
Water flow | 3,500 m3/h |
Solid capacity | 700 cbm/h |
Max. dredging depth 45° | 15 m |
Discharge distance | 1,500 m |
LOA | 43.5 m |
Dredger after assembly | 43.5*7.5*2 m Length* width* depth |
Dredger structure | Dismantle type and can be assembly in working site |
Average draught | 1.2 m |
Diameter discharge pipe | 450mm/18 inch |
Main Engine | 1,007 kw weichai engine |
Rotate speed | 1800 r/min |
Auxiliary engine power | 425 kw weichai engine |
Generator | 30 kw |
Hydraulic cutter power | 160 kw |
Total power | 1,057 kw |
Structural composition
Cutter bridge: It is equipped with a auger head and is a key component for
excavating underwater sediments. The
height of the auger bridge can be adjusted by the lifting device to
adapt to different excavation depths.
Mud pump: Provides power for the suction and transportation of mud. The
performance of the mud pump directly
affects the production efficiency and transportation distance of
the dredger.
Suction pipe and mud discharge pipe: The suction pipe is used to suck the mud cut by the auger into
the ship,
and the mud discharge pipe transports the mud to the designated
discharge location. The mud discharge pipe can
be a rigid pipe or a flexible pipe, which is selected and arranged
according to actual needs.
Hull: provides support and buoyancy for the entire dredger, and is also
a working platform for various equipment
and personnel. The design and structure of the hull need to take into
account factors such as stability, navigation
performance and carrying capacity.
Power system: provides power for equipment such as cutters and mud pumps,
usually including diesel engines,
electric motors, etc. The power of the power system depends on the
size of the dredger and the operating requirements.
Control system: used to control parameters such as the rotation speed of the
cutter, the lifting and lowering of
the bridge, and the flow rate of the mud pump to achieve precise
excavation and transportation operations. Modern
cutter suction dredgers are usually equipped with advanced automated
control systems to improve operating efficiency
and accuracy.
Advantages
High excavation efficiency: The rotary cutting action of the cutter can effectively crush and
excavate various types
of sediments, including hard rocks and dense clay, greatly improving
the excavation efficiency.
Long transportation distance: The powerful mud pump can transport mud to a long distance to meet
the needs of
different projects. The mud discharge distance of some large cutter suction
dredgers can reach several kilometers or
even farther.
High excavation accuracy: Through the precise control system, the excavation depth, width
and slope can be precisely
controlled to ensure the quality of the project.
Strong adaptability: It can operate in different water environments, such as rivers,
lakes, ports, oceans, etc., and
can adapt to different geological conditions.
Good environmental performance: Compared with some other dredging methods, the noise and
vibration generated
by the cutter suction dredger are relatively small, and the impact
on the surrounding environment is relatively small.
At the same time, the mud transportation process is closed, which
reduces the pollution to the water body.
Limitations
Affected by wind and waves: In sea areas with strong winds and waves or in severe weather
conditions, the operating
stability of the cutter suction dredger will be affected, and it
may even not operate normally.
High requirements for ship positioning: In order to ensure
excavation accuracy and transportation effect, an accurate
ship positioning system is required. In some complex water
environments, ship positioning may be subject to certain
restrictions.
Large initial investment: The equipment purchase cost of the cutter suction dredger is high,
and it also requires supporting
auxiliary equipment and facilities, such as mud discharge pipes,
transport ships, etc., which increases the initial investment.
Application scenarios
Channel dredging: Maintain the water depth and width of the channel to ensure the
safe passage of ships. Regular
dredging of the channel can remove the silt and improve the
navigation capacity of the channel.
Port construction: In the construction, expansion and renovation of the port, the
cutter suction dredger is used to
dig the harbor, channel and dock foundation to provide the necessary site
conditions for the construction of the port.
Land reclamation: New land is formed by blowing the silt on the seabed into the
designated area. This method is
widely used in land development and industrial park construction in
coastal cities.
Water conservancy projects: In the construction and maintenance of
water conservancy facilities such as reservoirs
and rivers, the cutter suction dredger can be used to remove reservoir
siltation, widen the river channel, and strengthen
the dam.
Mineral mining: In the mining of mineral resources in some offshore or inland
rivers, the cutter suction dredger can
be used to dig and transport silt containing minerals to realize the
mining and utilization of mineral resources.
contact us
whatsapp:+86 150 6343 7191
email:lily@dredgerys.com
Shandong Yongsheng Dredging Machinery Co., Ltd.
