CIMC Sanctum’s newly constructed full-containment LNG storage tank in Shaya, Xinjiang, has successfully been commissioned!
28 Nov,2021
The Xinjiang Shaya County Integrated Natural Gas Utilization and Safety Storage Peak-Shaving Project Achieves Successful First Startup! The project’s core equipment—a 10,000-cubic-meter LNG full-containment tank—is constructed by CIMC Sunda.
The 10,000-cubic-meter LNG double-metal full-containment tank, designed and constructed by CIMC Sanctum, is the core equipment of this project and can store the equivalent of 6 million cubic meters of gaseous natural gas in a single operation. The LNG storage tank consists primarily of a secondary containment vessel, a primary containment vessel, an insulation system, a piping system, a thermal-bridge protection system, a fire-suppression system, and safety devices. The primary containment vessel has a diameter of 25 meters and is used for storing LNG. Under normal operating conditions, the secondary containment vessel holds LNG boil-off gas and cryogenic insulation materials; under leakage conditions, it must be capable of containing all liquid and boil-off gas, offering advantages such as resistance to low temperatures and prevention of cryogenic liquid leakage.
The project construction spanned a frigid winter with temperatures as low as minus 20 degrees Celsius and a scorching summer that turned the ground to molten rock. From material supply and in-plant prefabrication, fabrication and transportation, to on-site installation, welding, and commissioning, the project team pooled their wisdom and efforts, overcame numerous challenges, and steadily advanced the project until pre-cooling was completed and liquid output commenced.
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