China's first CNG/LNG power ship specification released
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The "Natural Gas Fuel Power Ship Code" is a study of CCS in the "Gas Fuel Power Ship Inspection Guide" (2011), based on the research on key technologies of natural gas fuel power ship and the key technology research of marine liquefied natural gas (LNG) fuel tank structure. The results and a large number of practical research results, in accordance with the target ship standard (GBS) and risk assessment concepts, apply to the specification of steel ships powered by natural gas fuel (CNG / LNG). The introduction of the specification, designed to meet the development needs of the construction and retrofit in the field of domestic CNG / LNG powered ship.
Compared with "gaseous fuel-powered ship inspection guidelines," "norms" major "new" in the following aspects. First, from the perspective of ease of use, in the "Guide" on the basis of the canonical structure for adjustment, and the new cylinder, a gaseous fuel engine technology, the electronic control system, a large heat exchanger 4 as a key product requirements Appendix 4; Second is the "Guide" part revision, increased gas tank connected to premises-based test tube, place the gas valve means, the semi-enclosed storage requirements in the premises, the air supply line valve arrangement diagrams of gas tank spaces, the cabin air supply system, gas engines and other functional requirements of the content has been adjusted; three new fuel gas is filled, the relevant technical standards required LNG filling nipple; Fourth concept throughout the specification is always the risk analysis , the new failure mode and effect analysis (FMEA) requirements.