In high-end shipbuilding, the manufacturing and assembly of hatch covers have become a key link reflecting the technical strength of shipyards.
Modular construction of 100 ton hatch covers: Wuhu Shipyard overcame the high-precision challenge of welding and assembling hatch covers weighing up to 150 tons when building a 14600 ton crane ship for a German shipowner. Through technological innovation, standardization and complete interchangeability of 8 hatch covers have been achieved, doubling the utilization rate of the ship's cargo hold and increasing loading and unloading efficiency by over 50%.
'Back loaded' sealed hatch cover: Dalian COSCO Shipping Heavy Industries has applied an innovative 'back loaded' hatch cover on its 85000 ton multi-purpose pulp ship. This design allows two huge hatch covers to support each other like building blocks, slide and open, achieving unprecedented sealing effect, fundamentally preventing moisture from entering, and ensuring the transportation safety of moisture sensitive goods such as pulp and grain.
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