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System and method for switching ship fuel oil

A fuel oil and fuel tank technology, which is applied in charging systems, ship propulsion, liquid fuel feeders, etc., can solve problems such as expensive viscosity, and achieve the effects of improving accuracy, reducing fuel costs, and minimizing damage

Active Publication Date: 2019-07-16
DAEWOO SHIPBUILDING & MARINE ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, MGO and MDO are more expensive than HFO and the viscosity is often lower than the minimum level required by the engine, so a cooling device is required to increase the viscosity

Method used

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  • System and method for switching ship fuel oil
  • System and method for switching ship fuel oil
  • System and method for switching ship fuel oil

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Embodiment Construction

[0040] Embodiments of the present invention will be described below with reference to the accompanying drawings. The ship fuel oil switching system and method according to the present invention can be applied to various ships, such as liquefied natural gas carriers, ships using liquefied natural gas as fuel, drilling ships and offshore structures. Furthermore, the ship fuel oil switching system and method according to the present invention can be applied to any engine capable of operating with different types of fuel oil. It should be understood that the present invention can be implemented in various ways and is not limited to the following examples.

[0041] figure 1 is a schematic diagram of a ship fuel oil switching system according to a first exemplary embodiment of the present invention.

[0042] refer to figure 1 , The ship fuel oil switching system according to this embodiment includes a supply unit (100), a circulation unit (200) and a controller (300).

[0043] I...

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PUM

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Abstract

Disclosed is a ship fuel oil switching system for switching a type of fuel oil, which has been used as fuel for an engine, to another type of fuel oil as fuel for the engine. The ship fuel oil switching system comprises: a supply portion for supplying fuel oil; a circulation portion for receiving fuel oil from the supply portion and circulating the same; and a control portion for controlling the supply portion and the circulation portion. The supply portion comprises multiple tanks for storing different types of fuel oil. The engine receives fuel oil from the circulation portion. Fuel oil thatremains after being used by the engine is recirculated through the circulation portion. The control portion controls the flow rate of fuel oil discharged from each of the multiple tanks, thereby adjusting the mixing ratio of fuel oil sent to the engine.

Description

technical field [0001] The invention relates to a ship fuel oil switching system and method capable of switching engine fuel between different types of fuel oil. Background technique [0002] Examples of fuel oil usable as fuel for marine motors include HFO (heavy fuel oil), MGO (marine gas oil), and MDO (marine diesel oil). [0003] HFO is a dark brown viscous oil obtained after gasoline, kerosene, light oil, etc. are extracted from crude oil, and is the densest petroleum product obtained in liquid form. Since the flash point of HFO is about 40 degrees, it is more difficult to evaporate than kerosene, light oil, especially gasoline, and its viscosity is 180 to 700 cSt, so it must be heated to a temperature of 100 to 140 degrees to adjust its viscosity to the required viscosity of the engine Level 10 to 25cSt. In addition, since HFO contains water, foreign substances, and solids, it needs to be cleaned by a purifier before supplying the HFO to a marine engine. [0004] MG...

Claims

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Application Information

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IPC IPC(8): B63H21/38F02D19/06F02D19/08
CPCB63H21/38F02D19/0613F02D19/0628F02D19/0634F02D19/0663F02D19/0665F02D19/0678F02D19/0681F02D19/081F02M37/0064F02D41/0025F02M21/10Y02T10/30
Inventor 南棅晫李源讚张勋郑镒秀
Owner DAEWOO SHIPBUILDING & MARINE ENG CO LTD
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