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2,750 boxes of No. 4 container ship on the 80,000-ton ship platform of Yangfan Group are waiting to be launched. According to Lai Xianghua, director of the engine room of the Yangfan Group Ship Research Institute, the ship looked no different from the ordinary standard container ship, but in fact it has successfully "slimmed" 1 meter. It is this short distance of 1 meter that combines the four innovative technologies in the design of the sail ship. While increasing the speed of the ship, it reduces the fuel consumption by 10% and reduces the steel consumption by 1/5.
It is understood that according to the previous shipbuilding experience, the difference between the container guide rail and the box foot can be more than ten centimeters. When the hull is assembled and assembled, a large amount of margin will appear. Because the interior is not fine enough, there is widespread waste and even affect the shipbuilding cycle. The “slimming†of the vessel is very demanding on compactness. Yangfan Group introduced Tribon's three-dimensional ship design system, precision design of pipeline laying and cable crossing, etc. Workers can see the position of screws, nuts and wire holes on the drawings, thus reducing the randomness of construction; Designed to maintain the straight shape of the deck walkway, after multiple calculations, move the vent to the side. At the same time, the distance between the container rails and the box legs of the No. 4 ship was also strictly controlled at 2 cm.
For the first time, the construction of the No. 4 ship used a large amount of high-strength steel, which reduced the overall steel usage by one-fifth, thus reducing the weight of the hull. When the ship is assembled and assembled, it adopts a design with no margin, and the hull error is calculated in millimeters. While saving steel, it also greatly shortened the shipbuilding period. From the 7 months of the first shipbuilding period of 2,750 containers to 80 days of the 4th ship, the shipbuilding record of the sail was refreshed.
According to Lai Xianghua, no-quantity design and construction is a successful technological innovation and a must-have for the Group's future development. In recent years, Yangfan Group has maintained more than 10 technological innovation achievements every year, and recently won the title of “Top Ten Independent Innovation Capabilities Industry†by the National Bureau of Statistics.