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At 9:40 on June 10, with the launch of the huge gantry crane on the No. 4 dock of Jiangnan Shipyard, the main engine weighing 360 tons began to move slowly above the cabin of the "Snow Dragon" ship, and the new mainframe installation work of the "Snow Dragon" ship Officially begin. After nearly three hours of hard work, the new main engine of the "Snow Dragon" ship successfully arrived at the predetermined position, and slowly entered the cabin under the command of the factory assembly commander, and was accurately placed on the predetermined base. The hoisting of the "Snow Dragon" ship main engine is an important node of the reconstruction construction plan, which indicates that the "Snow Dragon" ship transformation will be fully transferred to the installation stage of the equipment from the disassembly stage.
It is reported that the new main engine of the "Snow Dragon" ship has adopted advanced EFI common rail technology, which further enhances the reliability and safety of the main engine operation, making the "Snow Dragon" ship more powerful and environmentally friendly. The China Polar Research Center also specially arranged five marine electrical professionals to participate in theoretical training, mastered the working principle, operating procedures and troubleshooting methods of common faults, and prepared for the future mastery of the operating host.
Wang Jianzhong, the captain of the "Snow Dragon" ship, said that the old main engine of the "Snow Dragon" ship was produced in the 1980s. After more than 20 years of use, the equipment has been seriously aging, entering the period of frequent failures, performance and reliability have dropped significantly, and there are potential safety hazards. In addition, the original host and generator set manufacturers have been discontinued or closed down, spare parts procurement is difficult, overhaul spare parts are difficult to be guaranteed, and hidden dangers and recovery functions cannot be completely eliminated. After the replacement of the main engine, the "Xilong" ship's nitrogen oxide emission level will meet the standards required by the International Maritime Organization, which is conducive to environmental protection in the Arctic and Arctic regions.
Advanced technology discharge environmental protection "Snow Dragon" ship replacement host