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Breaking the monopoly of Japan and South Korea, the first domestic FGSS has been approved by the classification society
Recently, the marine high-pressure gas supply system (FGSS) developed by Hudong Heavy Machinery Co., Ltd. passed the DNV GL design principle approval audit and obtained the principle approval (AiP) certificate. It is reported that this is the first FGSS system that has been officially certified in China. This certification shows that it has been professionally recognized by the International Classification Society in terms of system principle and safety and reliability, and has been provided to ships of all types using dual fuel engines. The qualification of the system. This will also break the monopoly position of Japan and South Korea in this product market, and help to achieve the localization of key supporting equipment for ships.
What is FGSS?
FGSS is a device specifically designed to supply liquefied natural gas (LNG) to marine dual fuel plants. The system uses shipborne LNG as raw material, through the process of supercharging, vaporization and other processes, the liquid LNG is first converted into fuel gas that can meet the requirements of diesel engine intake, and then supplied to the diesel engine for combustion work, which is divided into two types: low pressure and high pressure. . At present, FGSS has been widely used in LNG carriers using dual fuel engines and other ship types using LNG fuel, but related technologies still have gaps in China. Principle Recognition (AiP) is a certification service for classification and safety analysis of some newly developed systems.
FGSS research and application
According to reports, the marine gas supply system is divided into two types: low pressure and high pressure. The main application of high pressure type FGSS is ME-GI type double fuel engine developed by Mann. Hudong Heavy Machinery is the leading enterprise in the field of marine mainframes in China. Related patents and production in China. For the FGSS system of this model, the gas supply pressure is up to 300 Pa, the system technology is complex, the safety and reliability requirements are high, and the development is very difficult. Hudong Heavy Machinery has successfully developed and developed a complete high-pressure gas supply system with independent intellectual property rights through a large number of scientific research projects with its good cooperation with Mann and its systems and equipment suppliers, and has provided customized gas supply for various types of ships. System design services and the ability to package supplies.
The first FGSS of Hudong Heavy Machinery Co., Ltd. has been built in the site of Shanghai China Shipbuilding Mitsui Shipbuilding Diesel Engine Co., Ltd., and will supply high-pressure gas for testing the ME-GI engine plants of Hudong Heavy Machinery and CSSC Mitsui. With the completion of this system, Hudong Heavy Machinery will have the production and commissioning capabilities of ME-GI diesel engines and supporting FGSS, which will help shipyards significantly reduce the commissioning time of the main engine and FGSS.