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Top LNG ship takes shape in Shanghai
By Li Jing (China Daily)
Updated: 2005-07-18 05:30
Wang said the LNG vessel is double-hulled with two layers of membranes made
of Invar, a metal high in nickel content that does not contract under low
temperatures.
The liquefied gas is carried at atmospheric pressure in the specially
insulated tanks, referred to as the 'cargo containment system', inside the inner
hull, Wang explained.
He said that even a worker's sneeze or sweating could harm the Invar-melting
process because one drop of foreign fluid on the 0.7-millimetre-thick membranes
could lead to a leak that is invisible to the naked eye.
Apart from the first LNG vessel, Hudong-Zhonghua now has three LNG vessel
orders in hand with a possible fourth to come, Wang said. Construction on the
second one, which is also being made for the Guangdong project, will soon be
carried out.
The world is facing a LNG boom, and China is moving to incorporate natural
gas expansion into its energy strategy in order to be environmentally
friendlier, relieve energy security concerns and improve energy efficiency.
Xu Kai, general manager of the Nantong Cosco Khi Ship Engineering Co Ltd,
said China plans to build several more LNG terminals in provinces such as
Fujian, Zhejiang, Jiangsu and Shandong.
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