【Haichuan Equipment Guessing Game】What a big double-yolk egg!

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What device is this? Guess what: the 9,686 cubic meter bilobe-type C-class LNG storage tank built by Sinopacific for the Danish gas transport company Evergas and classified by the French classification society. Classificator Bureau Veritas is classifying the world’s largest double-shell gas storage tank. The tank is set to be completed at the Pacific Shipbuilding Group’s shipyard and will be installed on a series of four 27,500 cubic meter semi-refrigerated liquefied natural gas (LNG)/ethylene ships for the Danish company Evergas. The capacity of each double-diaphragm type C gas tank that meets the requirements of the International Maritime Organization is 9,686 cubic meters. The two storage tanks installed on each ship will serve as a third circular C-tank, supplementing the smaller LNG fuel storage tank located on the ship’s deck. According to Carlos Guerrero, manager of gas transport vessels at the French classification society, “These storage tanks are pushing the boundaries of small-scale LNG transportation.” The manufacture of these storage tanks is based on experience in ethylene transportation, and they are capable of transporting liquefied petroleum gas (LPG) and liquefied natural gas at a pressure of 5 bar. It helps to develop vessels that meet the emerging demand for new, flexible LNG trading ships. Ralph Juhl, vice president of Danish gas transportation company Evergas, said, “We are indeed very pleased that Pacific Shipbuilding Group has built these tanks that pose a challenge to the world.” Since the company’s new ships will sail in some of the harshest seas in the world, they need to be built as sturdy vessels with few decks and exposed systems. These double-hull tanks enable us to have a flat main deck, and they allow us to carry more cargo than ships of the same size that use cylindrical tanks. We are pleased to collaborate with Pacific Shipbuilding Group and Bureau Veritas to open up new horizons in gas transportation. Building ships that are larger than before is always a challenge, and accurate calculations of strength are particularly helpful in reducing liquid sloshing. The stability and damaged stability of the ship are also issues that need to be addressed during the design phase. ”