Fuel gas supply system and method of ship

A gas supply and ship technology, applied in the container discharge method, container filling method, transportation and packaging, etc., can solve the problems of excess, complex gas supply system, etc., achieve the effect of reducing power requirements, preventing pressure increase, and simplifying configuration

Inactive Publication Date: 2013-04-03
DAEWOO SHIPBUILDING & MARINE ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This multi-stage compression has the following problems: the gas supply system becomes very complicated and excessive power is required to compress the boil-off gas in gaseous state at high pressure
The fuel gas supply system of such ships has the same problems as LNG carriers

Method used

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  • Fuel gas supply system and method of ship
  • Fuel gas supply system and method of ship
  • Fuel gas supply system and method of ship

Examples

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Embodiment Construction

[0020] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] figure 1 It is a schematic diagram of a gas supply system of a ship according to an embodiment of the present invention. like figure 1 As explained in , the ship's gas supply system supplies gas to the ship's high-pressure gas injection engines.

[0022] figure 1 The gas supply system includes: a gas supply line L1, which is used to supply the LNG extracted from the LNG storage tank 1 of the ship to the high-pressure gas injection engine of the ship; and a heat exchanger 3, which is installed in the middle of the gas supply line L1 In order to exchange heat between the LNG and the boil-off gas extracted from the LNG storage tank 1 .

[0023] The ship may be an LNG carrier. The LNG carrier has an LNG storage tank for storing LNG. In this case, the LNG storage tank 1 is an LNG storage tank.

[0024] In addition, the ship may be a sh...

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PUM

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Abstract

A fuel gas supply system of a ship is provided for supplying fuel gas to a high-pressure gas injection engine of a ship, wherein LNG (liquefied natural gas) is extracted from an LNG tank of the ship, compressed at a high pressure, gasified, and then supplied to the high-pressure gas injection engine. The fuel gas supply system of a ship comprises an LNG tank; a fuel gas supply line; compressing means for compressing the LNG; and gasifying means for gasifying the LNG. The gas supply line is connected from the LNG tank to the high-pressure gas injection engine of the ship. The compressing means for compressing the LNG is installed in the fuel supply line between the LNG tank and the high-pressure gas injection engine. The gasifying means for gasifying the LNG is installed downstream of the compressing means in the fuel supply line, to gasify the compressed LNG.

Description

[0001] This application is a divisional application of the patent application titled "Steam Gas Supply System and Method" and application number 200880025035.3. [0002] The parent application of this application is based on the previous Korean Patent Application No. 10-2007-0072242 (filed on July 19, 2007), Korean Patent Application No. 10-2007-0121558 (filed on November 27, 2007), Korean Patent Application No. 10-2007-0123679 (filed on November 30, 2007), and Korean Patent Application No. 10-2008-0020356 (filed on March 5, 2008), and priority is claimed therein, The entire content is disclosed here as a reference example. [0003] This divisional application also claims the above priority. technical field [0004] The present invention relates to a gas supply system and method for a ship, and more particularly to a ship for efficiently supplying gas from a liquefied natural gas (LNG) tank to a high pressure gas injection engine in a ship Gas supply system and method. Bac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63J99/00F17C5/06F17C9/00F17C9/02
CPCF17C2265/033B63J2099/003F17C5/06F17C2227/0185F17C2250/0439F17C2223/047F17C2225/036F17C9/02F17C2270/0105F17C2265/034F17C2225/035B63J99/00F17C2265/037F17C2225/0115F17C2250/0626F17C2223/0161F17C2250/0636F17C2250/0631F17C2223/033F17C2227/0135F17C2250/043F17C2265/066F17C9/00Y02T70/5263F17C2221/033F17C2223/043F17C2260/02F17C2227/0178F17C2227/0393F17C2227/0306F17C2225/0123Y02T70/50F17C5/00
Inventor 权纯斌金南守赵益圭李正汉崔东圭朴铉基
Owner DAEWOO SHIPBUILDING & MARINE ENG CO LTD
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