Hyundai Heavy Industries develops a new concept LNG ship

Hyundai Heavy Industries recently completed the delivery of a 216,000 cubic meter capacity-grade film-type liquefied natural gas (LNG) vessel, which is an American oil company. This LNG ship has adopted a series of new technologies, which has given LNG ships a new concept.

One is to replace the turbo steam engine with a diesel engine. The LNG ship has a history of more than 40 years. Its power mainframe has been using a turbo steam engine, and Hyundai Heavy Industries has used two 25,000-horsepower diesel engines as its power mains for the first time in the world. It also installed two propeller propulsions. The device is such that the speed of this large LNG ship can reach 19.5 knots. According to reports, compared with the traditional turbo steam power main engine, the diesel power main engine can improve the overall performance benefit of the LNG ship by 40%.

The second is to reliquefy natural gas that is naturally vaporized in the cabin. Since the birth of the LNG ship, the LNG stored in its cabin has produced a large amount of natural gasified natural gas during the shipping process, resulting in wastage and waste. Hyundai Heavy Industries utilizes new technologies and equipment to reliquefy natural gas naturally evolved in LNG cabins, and to reduce losses in storage compartments.

Third, the natural gas-fueled engine is no longer installed. Today's LNG ships have to deal with naturally-gasified natural gas and have to install special engines that use these natural gas as fuel. After Hyundai Heavy Industries adopted the new technology of natural gas reliquefaction, this special engine has no need to be installed, which reduces the weight of the ship, expands the capacity of the LNG storage compartment, and improves the carrying capacity of the ship.

In addition to the major shipbuilding enterprises to increase research and development efforts, the South Korean government also listed 100% of LNG ship technology and equipment as the main research topic, forming a joint research team of "production, study and research officers" in order to completely get rid of the dependence on foreign LNG ship technology. .

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