Core Viewpoint - The delivery of China's first 50,000-ton tension jack towing system by CNOOC Engineering marks a significant breakthrough in domestic marine engineering equipment manufacturing, enhancing the country's capacity for loading large offshore oil and gas structures [1][2] Group 1: Equipment and Technology - The towing system consists of 10 units of 1,000-ton tension jacks, 4 units of 1,000-ton booster jacks, a power station, a control system, and fixed anchor points, capable of towing a maximum weight of 50,000 tons, equivalent to nearly 40,000 family cars [1] - The jacks utilize high-strength alloy materials, improving the tension coefficient by 20% compared to conventional materials, and increasing loading speed by 15% over similar international equipment [1][2] Group 2: Research and Development - The development of the large-tonnage tension jack system involves interdisciplinary technologies such as material mechanics, hydraulic control, and structural design, addressing challenges like high-strength material stability and lightweight control [2] - CNOOC Engineering collaborated with Liuzhou OVM Machinery Co., Ltd. to form a task force that successfully overcame over 10 key technologies in more than a year, innovating the "diesel direct drive with load-sensitive variable pump + proportional valve control" and 5G IoT technology [2] Group 3: Operational Efficiency - The newly developed intelligent control system, featuring "one central unit and multiple terminals," allows for remote monitoring and maintenance, achieving millimeter-level error control under high-speed conditions, enhancing operational safety by 40%, operational efficiency by 60%, and reducing energy consumption by 10% [2] - Over the past decade, CNOOC Engineering has completed the towing and loading of approximately 300 structures, including 34 structures weighing over 10,000 tons [2]
我国首套5万吨千斤顶装船系统交付