Integrated power control device of liquefied natural gas power ship

A power control device and liquefied natural gas technology, applied in the direction of motor-driven engines, propulsion-based emission reduction, etc., can solve the problems that cannot cover the regulation and security requirements of the gas fuel supply system, poor versatility, etc., and achieve simple structure and complete functions , the effect of meeting the functional and safety requirements

Inactive Publication Date: 2013-11-27
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some enterprises have designed some gas fuel power control devices suitable for specific models on the basis of practice and exploration. However, because these gas fuel power control devices are only designed for specific models, they have poor versatility and cannot cover various types of gases in the industry. Regulation and Security Requirements of Fuel Supply System

Method used

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  • Integrated power control device of liquefied natural gas power ship
  • Integrated power control device of liquefied natural gas power ship
  • Integrated power control device of liquefied natural gas power ship

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] see figure 1 , the liquefied natural gas-powered ship adopts an intrinsically safe engine room, and the natural gas comes out of the liquefied natural gas storage tank 29 in sequence, and enters the dual-fuel engine 31 for combustion through the carburetor 30 and the integrated power control device of the liquefied natural gas-powered ship, driving the rear gearbox 32 and propeller 33 In operation, the integrated power control device of the liquefied natural gas powered ship is located at the inlet of the gas fuel pipeline 1. The ventilation duct 14 extends out of the engine room 34 to communicate with the atmosphere, and the ventilation duct 14 at the outlet of the gas fuel pipeline 1 is connected to the dual-fuel engine 31. And communicate with the atmosphere through the dual-fuel engine 31 .

[0024] see figure 2 , liquefied natural...

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Abstract

The invention discloses an integrated power control device of a liquefied natural gas power ship. The integrated power control device comprises an inclosed unit and a control unit, the inclosed unit comprises an inclosed chamber allowing a gas fuel pipeline to penetrate, a first automatic stop valve, a second automatic stop valve, a gas pressure-adjusting valve, a first automatic ventilating valve, a second automatic ventilating valve, a gas detector and a ventilating duct are arranged in the inclosed chamber, the control unit comprises a control chamber, an air pressure-adjusting valve, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve are arranged in the control chamber, and the air pressure-adjusting valve controls the first automatic stop valve, the second automatic stop valve, the first automatic ventilating valve and the second automatic ventilating valve through the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve respectively. The integrated power control device can balance controlling and safety protection of the LNG (liquefied natural gas) power ship, is high in adaptability, simple in structure and suitable for being widely applied to the technical field of the LNG power ship.

Description

technical field [0001] The invention relates to the technical field of liquefied natural gas (LNG) powered ships, in particular to an integrated power control device for a liquefied natural gas (LNG) powered ship. Background technique [0002] Gas-fueled ships represent a trend in the future development of the shipbuilding industry. LNG (liquefied natural gas)-powered ships, as a typical representative of gas-fueled ships, have broad application prospects because they use clean and efficient LNG as the main engine fuel. At present, countries around the world are promoting the use of LNG-powered ships, which is still in its infancy, and the technology has yet to be perfected. [0003] Since LNG enters the air, it will gasify rapidly and mix with air quickly. When the gas concentration in a closed space reaches 5%~15%, it will form an explosive gas, which will explode when it encounters an open flame or an electric spark, resulting in a fire. Therefore, for this type of ship,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H21/14
CPCY02T70/5218
Inventor 周瑞平何晓聪黎晓健陈如星严景
Owner WUHAN UNIV OF TECH
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