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Full Steam Ahead For MHI LNG Carrier

Posted on March 1, 2011

Mitsubishi Heavy Ind. (MHI) has received an order from Nippon Yusen Kabushiki Kaisha (NYK) for a liquefied natural gas (LNG) carrier featuring MHI’s Ultra Steam Turbine Plant (UST). MHI said this will be the first application of its new turbine plant, designed for 15% higher fuel efficiency than a conventional steam turbine plant.

The UST, a marine propulsion plant utilizing reheated steam, adopts a medium-pressure turbine in addition to high- and low-pressure turbines. After the steam from the boiler drivers the high-pressure turbine, the exhausted steam is returned to the boiler and reheated fro driving the medium-pressure turbine, and subsequently the low-pressure turbine, said MHI.

The LNG carrier will be about 123 000 gross tons and measure 288 m in overall length, 49 m in breadth and 26.8 m in depth. It will have a capacity to carry 145 400 m3 using spherical storage tanks. Deliver is expected in 2014.

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