Kawasaki’s liquefied hydrogen carrier gets approval in principle

A LARGE liquefied hydrogen carrier developed by Kawasaki Heavy Industries has received approval in principle from the Japanese ship classification society ClassNK.

According to Kawasaki Heavy Industries, the transporter is designed to transport cryogenic liquefied hydrogen cooled to a negative temperature of 253 degrees Celsius.

The cargo is reduced to one eight hundredth of its original volume to be shipped in larger quantities to reduce hydrogen supply costs.

“In order to build this large carrier, [we] leveraged ship design and construction technologies as well as safety-related technologies and knowledge used in the construction of the world-first 1,250 cubic meter liquefied hydrogen carrier Swiss border“Kawasaki said.

Swiss border is the world’s first liquefied hydrogen carrier, which docked at Victoria’s Port of Hastings after her maiden voyage from Japan in January this year.

Swiss border was granted class registration by ClassNK, which also issued the AiP for the design of the cargo containment system on Kawasaki’s liquefied hydrogen carrier last year.

ClassNK has also released an AiP for cargo handling systems which are key design elements of the ship.

The classification society has also issued an AiP for dual-fuel main boilers that use hydrogen boil-off gas as fuel.

[We] also reviewed the integrated design of a large 160,000 cubic meter liquefied hydrogen carrier fitted with four of the cargo containment systems mentioned above and issued an AiP to confirm its feasibility as a vessel,” said ClassNK.

He made his decision based on the three AiPs and verification of the ship’s layout, hull structure and stability, power generation and distribution system, and protection and protection philosophy. extinguishing hydrogen fires.

“It is confirmed that it is possible to achieve large-scale hydrogen transport with this design.”

ClassNK said it will continue to participate in advanced decarbonization initiatives in the maritime industry by incorporating knowledge gained through collaboration with key players into its guidelines.

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