YINGKOU, China, July 15, 2024 /PRNewswire/ -- In a shipyard in
Yingkou, a coastal city in China's
northeastern Liaoning Province,
XCMG Crane, a subsidiary of XCMG Machinery unveiled its 4,000-tonne
crawler crane, the XGC88000, now configured with a luffing jib.
This crane has achieved a milestone by successfully lifting an 18MW
offshore wind turbine, marking its first foray into this
application. The achievement sets global records for both the
diameter and the power per unit of the turbine, signaling its
readiness for commercial deployment.
The 18 MW offshore wind turbine, weighing close to 800 tonnes,
features a hub center height of 145 meters and a blade tip height
of nearly 270 meters. At optimal wind speeds, it generates 44 kWh
of electricity per revolution. Annually, a single turbine can
produce approx. 74 million kWh of clean electricity, sufficient to
meet the energy needs of 40,000 households. This is equivalent to
saving about 25,000 tonnes of standard coal and reducing carbon
dioxide emissions by approx. 60,000 tonnes each year.
To address the ultra-high, super-heavy, and high precision
requirements of the project, XCMG has, for the first time, utilized
the XGC88000 crawler crane in luffing jib working conditions.
This marks the first instance within the industry that a
4,000-tonne crane has been applied in such conditions.
The installation of the world's longest blade, measuring 126
meters, represents a challenging and critical phase in the entire
lifting process. The task is akin to threading a needle at high
altitudes, requiring the precise insertion of more than 170 bolts
into their corresponding holes in the hub at nearly 150 meters
above ground. Additionally, the blade is subject to swaying due to
sea breezes during the installation, posing a risk of damage if not
carefully managed. These factors combined to make the lifting
operation extremely challenging.
The XGC88000 performed reliably, and with the support of
auxiliary cranes, the processes of lifting, slewing, centering, and
positioning were executed smoothly and efficiently. This operation
was accomplished in one attempt and earned unanimous praise from
both the project owner and the construction crews.
XCMG is poised to continue its progression towards practices
that are high-end, intelligent, environmentally responsible, and
service-oriented, all on an international scale. By contributing
the world on the green energy transformation, XCMG aims to
collaborate with partners worldwide in fostering a sustainable
planet.
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