LNG refueling system and boil-off gas treatment method
A technology for evaporating gas and injection system, which is applied in the direction of gas treatment application, gas treatment/storage purpose, gas treatment/storage effect, etc. It can solve the problems of limited capacity of reliquefaction device and evaporative gas discharge, etc., to improve the efficiency of reuse, Effect of preventing pressure rise and improving stability
Active Publication Date: 2013-12-18
KOREA ADVANCED INST OF SCI & TECH
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Problems solved by technology
[0013] However, the capacity of the reliquefaction plant is limited, so that there is a problem of needing to discharge the non-reliquefied boil-off gas to the atmosphere
Method used
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[0072] Hereinafter, the technical idea of the LNG injection system of the present invention will be described in more detail using the accompanying drawings.
[0073] However, the drawings are merely examples shown for more concrete description of the technical idea of the present invention, and the technical idea of the present invention is not limited to the shapes of the drawings.
[0074] The present invention relates to an LNG injection system capable of delivering LNG to an LNG fuel ship that uses LNG as fuel and a LNG injection ship that receives and stores LNG and injects LNG into other ships, or from a LNG production base that transports and supplies LNG The LNG carrier ship of LNG introduces LNG. The LNG injection system 1000 is independently provided with a low-temperature LNG storage tank 100 for storing low-temperature LNG and a high-temperature LNG storage tank 200 for storing high-temperature LNG, so as to be able to handle low-temperature LNG and high-tem...
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The present invention relates to an LNG refueling system which can deliver LNG to an LNG-fuelled ship and an LNG-refueled ship or can introduce the LNG from an LNG-carrying ship, and more specifically, the LNG refueling system separately has a low-temperature LNG tank and a high-temperature LNG tank such that both a low-temperature LNG and a high-temperature LNG can be handled; prevents an increase of pressure in the low-temperature LNG tank, and increases stability; and has a flashing drum such that the high-temperature LNG can be converted into the low-temperature LNG, thereby supplying both high-temperature and low-temperature LNGs. Further, the present invention relates to the LNG refueling system and a boil-off gas treatment method, wherein the LNG refueling system comprises a boil-off gas treatment system to easily treat the boil-off gas.
Description
technical field [0001] The present invention relates to an LNG injection system capable of delivering LNG to an LNG (Liquefied Natural Gas: liquefied natural gas) fuel ship and an LNG injection ship, or introducing LNG from an LNG transport ship. In particular, it relates to a boil-off gas treatment method of an LNG injection system and a boil-off gas treatment system in which a low-temperature LNG storage tank and a high-temperature LNG storage tank are independently provided so that low-temperature LNG and high-temperature LNG can be processed, and low-temperature LNG can be prevented. The pressure of the LNG storage tank is increased, and the boil-off gas treatment system is installed so that the boil-off gas generated during injection can be efficiently treated. Background technique [0002] Instead of diesel fuel that emits a large amount of pollutants, use of LNG (Liquefied Natural Gas: liquefied natural gas) as a propulsion fuel for ships has been considered. [0003...
Claims
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IPC IPC(8): F17C7/04F25J1/00B63H21/38F17C5/02F17C6/00
CPCF17C6/00B63B27/34F17C9/00F17C2221/033F17C2223/0161F17C2223/033F17C2223/047F17C2225/0161F17C2225/033F17C2225/043F17C2225/044F17C2227/0135F17C2227/0178F17C2227/045F17C2260/021F17C2265/037F17C2265/065F17C2270/0105F17C2270/0139F17C2265/066F17C2270/011F17C2265/032F17C2265/061F17C2265/07F17C2225/0169F17C2260/046F17C2250/01F17C2265/063F17C2223/0169F17C5/02
Inventor 张大俊徐秀源柳志宪
Owner KOREA ADVANCED INST OF SCI & TECH