Gross Tonnage: 6,408 t
Length: 118.20 m
Molded Depth: 8.60 m
Dredging Draft: 7.30 m
Mud Cargo Capacity (Net): 7,316 m³
Dredging Depth: 36 m
Main Engine: DN8330ZC, 3,310 kW, 620 rpm × 2 pcs
Net Tonnage: 3,588 t
Breadth: 19.20 m
Design Draft: 6.80 m
Light Draft: 4.643 m
Displacement: 12,585.6 t
Speed: 13.6 kn
7316m³ Self-propelled Trailing Suction Hopper Dredger
Coastal & harbor dredging: Maintenance of navigation channels, port basins, and waterways
Reclamation works: Land creation for coastal development, industrial zones, and port expansion
Deep-water channel construction: Excavation for deep-sea ports and offshore engineering projects
Sediment disposal: Efficient hopper Loading, transportation, and overflow/bow blowing discharge
Offshore engineering support: Pre-dredging for Offshore Wind farms, pipelines, and platform foundations
Large hopper capacity: 7316m³ for high-volume, long-distance sediment transport
Deep dredging capability: Maximum dredging depth of 36m, suitable for deep-water operations
Efficient pumping system: Dual 8000m³/h submersible Dredge Pumps and 3000m³/h high-pressure water jets for strong excavation and slurry handling
Bow blowing function: 7000m³ capacity bow blowing system for fast, precise sediment discharge
Advanced automation: Automatic hydraulic draghead (15.2t) and 8 sets of metering instruments for precise dredging control and production monitoring
Reliable power & class: CCS-classed, built in 2021 with robust main/auxiliary power systems for continuous offshore operation
Versatile discharge modes: Supports overflow, bottom dumping, and bow blowing to adapt to different project requirements
FAQs
Q1: What key power and auxiliary equipment does 7300m3 TSHD have to ensure continuous operation?
A1: It is powered by two DN8330ZC main engines (3310kW each at 620r/min). The power system includes three 500kW main generators, one 120kW berthing generator, and one 120kW emergency generator. For dredging operations, it is equipped with two 1470kW high-pressure jet water pump diesel engines and two 1800kW dredge pump diesel units, plus complete systems like pump room cooling, steering gear, and air systems to support long-term, stable dredging work.
Q2: What special operational capabilities and certification does 7300M3 Hopper Dredger possess?
A2: It has a 7000m³ shore blowing capacity with a discharge pitch of 1.5km, supporting large-scale land reclamation and coastal maintenance projects. It is classified by CCS (China Classification Society) and equipped with 8 types of measuring equipment (dredge densimeter, flowmeter, etc.) and full nautical instruments. It can perform single-side or double-side trailing suction operations and has been applied in projects like the South Channel of the Yangtze River Estuary, demonstrating strong adaptability to complex working conditions.
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