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Ship and gas supply method

A technology for ships and liquefied gas, which is applied in ship propulsion, ship construction, oil supply devices, etc., can solve technical difficulties and other problems, and achieve the effect of improving efficiency

Active Publication Date: 2019-12-13
SAMSUNG HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is technically difficult to use the liquefied gas stored in the remaining storage tanks to maintain the supply of engine gas in order to store different fuel gases and change the use of part of the storage tanks to loading and unloading.

Method used

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  • Ship and gas supply method
  • Ship and gas supply method
  • Ship and gas supply method

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Embodiment Construction

[0023] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below are all examples for the purpose of more fully conveying the idea of ​​the present invention to those who have common knowledge in the technical field to which the present invention belongs. The present invention is not limited to the embodiments described below, and may be embodied in various other forms. In order to describe the present invention more clearly, parts irrelevant to the present invention in the drawings will be omitted, and the width, length, and thickness of the constituent elements in the drawings may be exaggerated for illustration. The same reference number represents the same constituent element throughout the specification.

[0024] refer to figure 1 and figure 2 , the gas supply system of the embodiment of the present invention comprises a first storage tank (110), a second storage tank (120), a sp...

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Abstract

A ship, and a method for supplying fuel gas are disclosed. The ship according to one embodiment of the present invention can comprise: a storage tank for storing a first liquefied gas and a boil-off gas of the first liquefied gas; a reserve tank for storing a second liquefied gas and a boil-off gas of the second liquefied gas; an inert gas device for injecting an inert gas into the storage tank so as to perform inerting; and a cooling device for spraying the second liquefied gas, supplied from the reserve tank, at the inner wall of the storage tank so as to cool the same.

Description

technical field [0001] The invention relates to a ship and a fuel gas supply method. Background technique [0002] Ethane (Ethane) extracted from shale gas (Shale Gas) and Liquefied Natural Gas (hereinafter referred to as 'LNG') is used as a raw material for petrochemical products, and its economy has recently become prominent. At 1 atmosphere, the boiling point of ethane is about -88.6°C, and the boiling point of methane, the main component of LNG, is -161.5°C. Such ethane and LNG are transported by ship in a liquefied state. [0003] Ships are equipped with a supply system that changes the pressure, temperature, and state of LNG boil-off gas (BOG, -Off Gas Boil) or LNG supplied from storage tanks to supply gas to the engine. The ships here may include low-pressure gas jet engines such as DFDE (Dual Fuel Disel Electric) engines using two or more different fuels, and high-pressure gas jet engines such as ME-GI engines (Man B&W jet engine Gas Injection). For example, Korea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M21/02B63H21/38
CPCB63H21/38F02M21/0215F02M21/0287Y02T10/30
Inventor 李元斗尹虎炳
Owner SAMSUNG HEAVY IND CO LTD