Zhong Guo Hua Gong Bao·2025-10-29 04:53Core Insights - The successful gas lifting operation of the 2nd storage tank at China Petroleum's Fujian LNG receiving station marks a significant milestone in the project's construction progress [1][2] - The operation utilized advanced technologies, including laser ranging and high-precision Beidou positioning systems, ensuring precise monitoring and control during the lifting process [1] Group 1: Project Details - The steel dome of the 2nd storage tank, weighing nearly 1,000 tons, was lifted to a design height of nearly 50 meters with millimeter-level precision [1] - The gas lifting operation is identified as the most complex and highest risk procedure in LNG storage tank construction [1] - A leadership team and command center were established to oversee the gas lifting process, ensuring comprehensive planning and execution [1] Group 2: Preparatory Measures - In the 20 days leading up to the lifting, the project team worked through national holidays to confirm over 100 critical conditions, including concrete strength and sealing systems [1] - A cross-industry expert team conducted multiple rounds of verification on key parameters such as meteorology, structural mechanics, and fluid dynamics [1] Group 3: Monitoring and Control Systems - The project implemented a comprehensive monitoring network using nearly 30 sets of pulley systems to create a "dynamic balancing" control system, integrating real-time data on posture, height, tilt, and pressure differences [1] - The use of drones for inspection and a command center display contributed to the overall monitoring and control of the lifting operation [1]