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LNG (Liquefied Natural Gas) storage tank arrangement system and gas supply arrangement system of double-fuel power-propelled ship

A dual-fuel, gas storage tank technology, applied in the direction of propulsion-based emission reduction, motor-driven engines, etc., can solve problems such as no solution, and achieve the effect of reducing emissions and reducing pollutant emissions

Inactive Publication Date: 2015-01-14
COSCO SHIPYARD GROUP +1
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  • Abstract
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  • Claims
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  • LNG (Liquefied Natural Gas) storage tank arrangement system and gas supply arrangement system of double-fuel power-propelled ship
  • LNG (Liquefied Natural Gas) storage tank arrangement system and gas supply arrangement system of double-fuel power-propelled ship

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[0032] In order to better understand the technical problems solved by the present invention and the technical solutions provided, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the implementation of the present invention, but are not used to limit the present invention.

[0033] In a preferred embodiment, figure 1 Illustratively shows the side view schematic diagram of the LNG storage tank arrangement system and the LNG supply arrangement system of the dual-fuel power propulsion ship; including: the LNG storage tank 1 is arranged on the stern part of the ship, and the engine room shed 16 in the stern part And the chimney 17 are arranged on the right side of the hull, the smoke exhaust pipe 18, the ventilation 19 and the stairway 20 are all arranged in the engine room shed 16, the smoke exhaust pipe 18 is arranged at the rear, and the ventil...

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Abstract

The invention relates to the technical field of water communication and transportation equipment manufacturing, and discloses an LNG (Liquefied Natural Gas) storage tank arrangement system and a gas supply arrangement system of a double-fuel power-propelled ship. The LNG storage tank arrangement system comprises an LNG storage tank arranged on the stern portion of the ship, an engine casing and a chimney inside the stern portion are arranged on the right side of a ship body, a smoke exhaust pipe inside the engine casing is arranged on the rear portion, a ventilation pipe is arranged on the right side, a stairway is arranged on the front portion of the smoke exhaust pipe, a free fall lifeboat is positioned on the back face of the chimney at the right side of the ship body, an accommodation is arranged in the front of the LNG storage tank and the chimney and integrally moves towards the stem portion, and a refrigeration house and a dry provision room move to the larboard from the starboard. An LNG supply pipe comprises a high-pressure pipeline and a low-pressure pipeline, a gas supply chamber and the LNG storage tank are of an integral structure, and the integral structure is positioned on an additional deck at the stern portion; LNG filling stations are respectively arranged on the larboard and the starboard of the accommodation. The LNG storage tank arrangement system and the gas supply arrangement system of the double-fuel power-propelled ship solve the arrangement problems of the LNG storage tank and the gas supply system on a bulk cargo ship, realizes the purpose that LNG is applied to the bulk cargo ship as fuel, and effectively reduces pollutants discharged by the ship.

Description

Technical field [0001] The invention relates to the technical field of water transportation equipment manufacturing, in particular to an LNG gas storage tank arrangement system and a gas supply arrangement system of a dual-fuel power propulsion ship. Background technique [0002] The power plants of most ships now use heavy fuel oil as fuel. However, with the introduction and entry into force of the International Maritime Organization and governments on ship emission control regulations, heavy fuel oil can no longer meet the emission requirements of these regulations. It is necessary to adopt new technologies to meet the requirements of these regulations. There are currently three feasible options, 1. Low-sulfur fuel oil, 2. Install sulfur scrubbers, 3. Use LNG as fuel. The first two options are expensive for ship owners, and the third option is currently the most promising one. [0003] LNG is the English abbreviation for liquefied natural gas. The main component is methane. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H21/14
CPCY02T70/5218
Inventor 吕志庆赵志坚衷爱东刘会纳李学军刘秀丽姜超刘富强王立娟王成刘玉涛
Owner COSCO SHIPYARD GROUP
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