Is the development of large-scale liquefied natural gas (LNG) storage tanks constrained? Xinxiang Ch

time： 2021-11-05 click count： 3309

The development of LNG storage tanks is closely related to the natural gas industry. Currently, China's natural gas industry is still in its development stage. From the perspectives of economic development, energy transformation, and resource security, China's demand for energy continues to rise in the long-term development process, and the proportion of natural gas consumption will also continue to increase. Furthermore, even though China's dependence on foreign natural gas is increasing, the global supply of natural gas exceeds demand, and the domestic supply and demand of natural gas can achieve a basic balance. Xinxiang Chengde believes that this is both an opportunity and a challenge for LNG storage tank manufacturers.

The current status and characteristics of LNG storage tanks

The proportion of natural gas consumption has been increasing year by year, accelerating the construction of LNG receiving stations and continuously increasing the number of LNG storage tanks. LNG storage tanks require little space, exhibit significant safety, and can achieve substantial cost savings. At present, although LNG storage tanks are developing well, there is a lack of research on ultra-large storage tanks, making it difficult to achieve engineering construction. This also necessitates that we strengthen research on LNG storage tanks to promote their development.

Requirements for large liquefied natural gas storage tanks

For large liquefied natural gas (LNG) storage tanks, safety is of utmost importance. LNG stored in these tanks is in the form of cryogenic liquid, with a large storage capacity. In the event of an accident, a large amount of cryogenic liquid could vaporize into the atmospheric environment, potentially forming an instantaneous gas cloud that could spontaneously detonate, posing great danger. Therefore, in the design and construction of large LNG storage tanks, it is imperative to strictly adhere to the requirements of specifications such as EN14620 and API. The tank structure is designed as a double-layered one to ensure the safety of its application.

In addition, the internal tank wall material of large liquefied natural gas (LNG) storage tanks must possess sufficient low-temperature resistance, while the external tank wall should exhibit high tensile strength. The tank body must have high cold insulation performance and pressure bearing capacity, and the maximum temperature difference between the inside and outside of the tank should be controlled at around 200℃. Furthermore, to ensure that large LNG storage tanks avoid collapse, cracking, or other issues under specific seismic loads, site surveys and geological investigations must be conducted during design. It is essential to avoid constructing LNG storage tanks in earthquake zones. During the manufacturing and construction process, corresponding seismic tests must be carried out to ensure seismic resistance.

During the design and fabrication process of large liquefied natural gas (LNG) storage tanks, Xinxiang Chengde strictly adheres to regulatory standards. From raw material inspection upon arrival at the factory to finished product acceptance, a comprehensive quality inspection system is employed. Each storage tank is accompanied by a unique certificate of compliance, ensuring safety during use. The installation process of the tanks is overseen by professional technical guidance and installation teams, with inspections conducted by local quality inspection agencies. This one-stop service guarantees the high quality and safe use of the tanks. Furthermore, Xinxiang Chengde is continuously enhancing the intelligence of LNG storage tanks, allowing terminals to monitor the actual conditions of the tanks in real time, enabling early warning of faults and ensuring safety and controllability.

Seizing new opportunities presented by national strategies and catering to emerging market demands, Xinxiang Chengde is accelerating the development of storage tanks towards safety, intelligence, and environmental friendliness, thereby supporting high-quality development across various industries.