WO2016122030A1 - 선박용 엔진의 연료 공급 제어 시스템 및 방법 - Google Patents
선박용 엔진의 연료 공급 제어 시스템 및 방법 Download PDFInfo
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- WO2016122030A1 WO2016122030A1 PCT/KR2015/001034 KR2015001034W WO2016122030A1 WO 2016122030 A1 WO2016122030 A1 WO 2016122030A1 KR 2015001034 W KR2015001034 W KR 2015001034W WO 2016122030 A1 WO2016122030 A1 WO 2016122030A1
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- WIPO (PCT)
- Prior art keywords
- pressure
- lng
- region
- supply
- pump
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/022—Control of components of the fuel supply system to adjust the fuel pressure, temperature or composition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0242—Shut-off valves; Check valves; Safety valves; Pressure relief valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/06—Apparatus for de-liquefying, e.g. by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/31—Control of the fuel pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Definitions
- the present invention relates to a fuel supply control system and method for a marine engine, and more particularly, to a control system for fuel supplied to a marine engine, the system operating region for pumping and vaporizing LNG with a pump, and pumping in the system operating region And a supply operation region for receiving vaporized LNG and supplying it to a marine engine, and setting a setting pressure of the system operation region higher than a setting pressure of the supply operation region, and controlling the two regions separately. It is about.
- LNG Liquified Natural Gas
- LPG Liquified Petroleum Gas
- LNG liquefied Natural Gas
- Liquefied Natural Gas (hereinafter referred to as "LNG”) is a colorless and transparent liquid obtained by liquefying natural gas containing methane as its main component at about -162 °C. It has a volume of about / 600. Therefore, when liquefied and transported with LNG when transporting natural gas, it can be transported very efficiently.
- LNG Liquefied Natural Gas
- an LNG carrier that can transport (transport) LNG to sea is used.
- cryogenic LNG When LNG is used as fuel in ships, cryogenic LNG must be boosted and vaporized to meet the pressure and temperature requirements of the engine.
- the load of the engine may be variably operated according to the operating speed of the ship. Therefore, the supply pressure should be able to be operated at the time of supplying fuel according to the load of the engine.
- the opening rate can be varied by providing a valve at the front of the engine in the fuel supply line, but the entire system relies on such a valve for frequent maintenance and valve replacement due to valve damage and shortened life. The problem may arise.
- valve is momentarily closed to shut off the fuel supply of the engine, in which case the pressure in the system may increase momentarily.
- the present invention solves this problem and proposes a fuel supply control system that can stably supply fuel while allowing a variable fuel supply to be made according to a load change of an engine.
- It includes a supply operation area for supplying the pumped and vaporized LNG in the system operation region and supplying to the marine engine,
- a fuel supply control system for a marine engine wherein the setting pressure of the system operating region is set higher than the setting pressure of the supply operating region.
- the system operating region includes a high pressure pump for pumping LNG, a vaporizer for vaporizing LNG pumped from the high pressure pump, and a pumped LNG introduced into the vaporizer downstream of the high pressure pump in a storage tank or the high pressure. And a return line for recovering upstream of the pump.
- the system operating region may include a recirculation valve provided in the return line, a first pressure sensing unit configured to sense a pressure in the system operating region downstream of the vaporizer, and a first pressure sensing unit sensed by the first pressure sensing unit.
- a first controller configured to receive a pressure value and to control the opening degree of the recirculation valve and the speed of the high pressure pump according to the set pressure of the system operating region to control the pressure of the system operating region.
- the system comprises a heat medium circulation line through which a heat medium for vaporizing the LNG is circulated in the vaporizer, a heat medium pump provided in the heat medium circulation line to pump the heat medium to be introduced into the vaporizer, and a downstream of the heat medium pump.
- the heat medium may further include a heat medium heater for heating.
- the supply operation region is divided into a supply line for supplying LNG vaporized from the vaporizer to the marine engine, a main gas valve provided in the supply line, and a branch from the supply line upstream of the main gas valve.
- a vent line if the pressure in the supply line is higher than the set pressure of the supply operation region, the main gas valve is shut off and the vaporized LNG can be discharged to the vent line.
- the supply operation region may include a pressure control valve provided in the vent line, a second pressure sensing unit sensing a pressure in the supply operation region downstream of the main gas valve, and the second pressure sensing unit.
- the control unit may include a second control unit configured to receive the pressure value sensed at and to control the opening and closing of the main gas valve and the pressure control valve according to the set pressure of the supply operation region to control the pressure of the supply operation region.
- the apparatus may further include a first shut-off valve provided downstream of the vaporizer and a second shut-off valve provided upstream of a point where the vent line branches from the supply line.
- a fuel supply control method for a marine engine wherein the setting pressure of the region where the step 1) is performed is set higher than the setting pressure of the region where the step 2) is performed.
- the pressure in the region where the process of step 1) is performed by detecting the pressure value of the pumped and vaporized LNG, to control the speed of the pump or to recover the pumped LNG upstream of the storage tank or the pump Can be controlled.
- the pressure in the region where the process of step 2) is performed detects the pressure of the pumped and vaporized LNG introduced into the marine engine, and if the pressure is higher than the set pressure, opening and closing the valve to enter the marine engine Blocked and vaporized LNG can be controlled by discharging to the outside of the region where the process of step 2) is made.
- It includes a supply operation area for supplying the pumped and vaporized LNG in the system operation region and supplying to the marine engine,
- a fuel supply control system for a marine engine characterized in that for controlling the pressure of the system operating region and the supply operating region separately.
- a fuel supply control method for a marine engine wherein the pressure of the region where the process of step 1) is performed and the pressure of the region where the process of step 2) is separated and controlled respectively are controlled.
- the fuel supply control system and method for a marine engine of the present invention comprises a system operation region for pumping and vaporizing LNG with a pump, and a supply operation region for supplying the pumped and vaporized LNG from the system operation region to a marine engine. Then, the setting pressure of the system operation region is set higher than the setting pressure of the supply operation region, and the two regions are controlled separately.
- the fuel can be stably passed by allowing the fuel to pass through the system operating region and controlling the system operating region and the supply operating region before supplying fuel directly to the engine.
- supply pressure control is not achieved solely with the main gas valve, which extends the life of the valve, reducing maintenance and valve replacement costs, thereby preventing system downtime.
- FIG. 1 is a schematic diagram of a fuel supply control system of a marine engine according to an embodiment of the present invention.
- FIG. 1 schematically illustrates a fuel supply control system of a marine engine E according to an embodiment of the present invention.
- the fuel supply control system of this embodiment includes a system operation region 100 for pumping and vaporizing LNG with a pump in a control system of fuel supplied to a marine engine E, and a system operation region. And a supply operation region 200 which receives the pumped and vaporized LNG from the supply vessel 100 and supplies it to the marine engine E, wherein a setting pressure of the system operation region 100 is greater than a setting pressure of the supply operation region 200. It is characterized by the high setting.
- the ship to which the present embodiment can be applied includes not only a ship including an LNG carrier or an LNG fueled ship (LFS) but also a marine plant such as a floating storage power plant (LNG-FSPP). It includes all ships or offshore structures with engines supplied by fuel for power generation.
- LFS LNG fueled ship
- LNG-FSPP floating storage power plant
- the marine engine E provided in such a vessel a DF engine or a ME-GI engine can be mentioned.
- the marine engine E of the present embodiment may be a high-pressure gas injection engine, a ME-GI (Man Eletric Gas Injection) engine supplied with a high-pressure gas of 150 to 400 bar as a fuel.
- ME-GI Man Eletric Gas Injection
- the ME-GI engine is a high pressure natural gas injection engine of an LNG carrier developed to reduce nitrogen oxides (NOx) and sulfur oxides (SOx) emissions as an engine that can be used for ships.
- ME-GI engines can be installed on ships or offshore structures, such as LNG carriers that store and transport LNG (Liquefied Natural Gas) in cryogenic storage tanks, and can use natural gas and diesel as fuel.
- LNG Liquefied Natural Gas
- ME-GI requires high-pressure gas supply pressure of about 150-400 bara (absolute pressure) depending on the load.
- pollutant emissions are 23% for carbon dioxide, 80% for nitrogen compounds, Sulfur compounds are in the spotlight as next-generation, environmentally friendly engines that can reduce by more than 95%.
- the fuel supply system may be configured to supply BOG generated from the storage tank, or to compress and supply LNG to high pressure and vaporize it.
- the system operation region 100 of the present embodiment is provided with a high pressure pump 110 for pumping LNG and a vaporizer 120 for vaporizing LNG pumped from the high pressure pump 110, and the vaporizer 120.
- a heat medium supply region 300 for supplying a heat medium that exchanges heat with LNG.
- the heat medium supply region 300 has a heat medium circulation line HL through which the heat medium for vaporizing LNG in the vaporizer 120 is circulated, and a heat medium pump provided in the heat medium circulation line HL to pump the heat medium to be introduced into the vaporizer 120.
- glycol water glycol water
- the heat medium heater 320 in the heat medium through the steam generated by the waste heat generated from the internal combustion engine of the vessel, such as the engine Can be heated.
- the system operating region 100 stores pumped LNG introduced into the vaporizer 120 downstream of the high pressure pump 110 in a storage tank (not shown) or a high pressure pump 110. And a return line RL for recovering upstream of the upstream, and a return valve 130 is provided in the return line RL.
- the system operating region 100 includes a first pressure sensing unit 140 for detecting a pressure in the system operating region 100 downstream of the vaporizer 120, and a pressure value detected by the first pressure sensing unit 140.
- the first control unit for controlling the pressure in the system operating region 100 by receiving the transmission, controlling the opening degree of the recirculation valve 130 and the speed (rpm) of the high-pressure pump 110 in accordance with the set pressure of the system operating region 100 150 is provided.
- the supply operation region 200 is provided in the supply line SL and the supply line SL to open and close the supply line SL to supply LNG vaporized from the vaporizer 120 to the marine engine E.
- the valve 210 is provided.
- the supply operation region 200 is connected to the vent line VL branched from the supply line SL upstream of the main gas valve 210 and to the vent line VL.
- the pressure control valve 220 is provided, and the second pressure sensing unit 230 for sensing the pressure of the supply operation region 200 downstream of the main gas valve 210.
- the main gas valve 210 When the second controller 240 receives the pressure value detected by the second pressure detector 230, and the pressure in the supply line SL is higher than the set pressure in the supply operation region 200, the main gas valve 210. Is blocked and vaporized LNG is discharged to the vent line VL to control the pressure of the supply operation region 200.
- the set pressure in the supply operation region 200 is set to the required supply pressure according to the load of the marine engine E, and when the excess pressure is detected in the supply operation region 200, the main gas valve 210 is shut off. The pressure is controlled by opening the pressure regulating valve 220 to discharge the gas to the vent mast by the excess pressure.
- the pressure of the supply driving region 200 is controlled by controlling the opening and closing of the main gas valve 210 and the pressure regulating valve 220 according to the setting pressure of the supply driving region 200 in the second controller 240.
- the system of the present embodiment sets the setting pressure of the system operation region 100 higher than the supply operation region 200, and controls each of the regions to operate the variable fuel supply system according to the load of the engine. This is possible.
- This embodiment can reduce the variation in the supply pressure by allowing the fuel to pass through the system operating region 100 before directly supplying fuel to the engine.
- the setting pressure of the system operation region 100 higher than the supply operation region 200, there is an advantage that the following time can be shortened by securing a kind of margin even when the output of the engine is increased quickly.
- the setting pressure of the system operation region 100 than the supply operation region 100 is to be operated by the actual commissioning process according to the installation position of the engine and the fuel gas supply system. For example, if the MEGI engine is applied and the pressure in the supply operating area is 230 barg, the pressure in the system operating area is about 20 barg, and when the supply operating area is 300 barg, the setting pressure in the system operating area is about 5 barg. Can be set.
- the first shutoff valve 160 and the second shutoff valve 250 may be provided upstream of the branch line where the vent line VL branches from the supply line SL. have. By configuring such a shutoff valve and distinguishing each area, it is possible to control by setting a different setting pressure in each area.
- the fuel supply is made as follows.
- the supply of fuel to the marine engine E comprises: 1) pumping and vaporizing LNG with a pump; 2) supplying the pumped and vaporized LNG to the marine engine (E).
- the setting pressure of the region where the process of step 1) is performed is set to be higher than the setting pressure of the region where the process of step 2) is performed, that is, the supply operation region 200.
- the pressure in the system operation region 100 senses the pressure value of the pumped and vaporized LNG to control the speed (rpm) of the pump or store the pumped LNG through the return line RL. It can be controlled by recovering upstream of.
- the pressure of the supply operation region 200 senses the pressure of the pumped and vaporized LNG introduced into the marine engine E, and when the pressure is higher than the set pressure, opens and closes the valve to introduce the marine engine E into the marine engine E.
- vaporized LNG may be controlled by discharging the vaporized LNG to a vent mast through a vent line VL branched from a supply line SL.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ocean & Marine Engineering (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (12)
- 선박용 엔진에 공급되는 연료의 제어 시스템에 있어서,LNG를 펌프로 펌핑하고 기화시키는 시스템 운전 영역; 및상기 시스템 운전 영역에서 펌핑 및 기화된 LNG를 공급받아 상기 선박용 엔진으로 공급하는 공급 운전 영역을 포함하되,상기 시스템 운전 영역의 세팅 압력이 상기 공급 운전 영역의 세팅 압력보다 높게 세팅되는 것을 특징으로 하는 선박용 엔진의 연료 공급 제어 시스템.
- 제 1항에 있어서, 상기 시스템 운전 영역은LNG를 펌핑하는 고압 펌프;상기 고압 펌프에서 펌핑된 LNG를 기화시키는 기화기; 및상기 고압 펌프의 하류에서 상기 기화기로 도입되는 펌핑된 LNG를 저장탱크 또는 상기 고압 펌프의 상류로 회수하는 리턴 라인을 포함하는 선박용 엔진의 연료 공급 제어 시스템.
- 제 2항에 있어서, 상기 시스템 운전 영역은상기 리턴 라인에 마련되는 재순환 밸브;상기 기화기의 하류에서의 상기 시스템 운전 영역의 압력을 감지하는 제1 압력 감지부; 및상기 제1 압력 감지부에서 감지된 압력 값을 전송받고, 상기 시스템 운전 영역의 세팅 압력에 따라 상기 재순환 밸브의 개도 및 상기 고압 펌프의 속도를 제어하여 상기 시스템 운전 영역의 압력을 제어하는 제1 제어부를 포함하는 선박용 엔진의 연료 공급 제어 시스템.
- 제 2항에 있어서,상기 기화기에서 상기 LNG를 기화시키기 위한 열매체가 순환되는 열매체 순환라인;상기 열매체 순환라인에 마련되어 상기 기화기로 도입될 상기 열매체를 펌핑하는 열매체 펌프; 및상기 열매체 펌프의 하류에서 상기 열매체를 가열하는 열매체 히터를 더 포함하는 선박용 엔진의 연료 공급 제어 시스템.
- 제 3항에 있어서, 상기 공급 운전 영역은상기 기화기에서 기화된 LNG를 상기 선박용 엔진으로 공급하는 공급 라인;상기 공급 라인에 마련되는 메인 가스 밸브; 및상기 메인 가스 밸브의 상류에서 상기 공급 라인으로부터 분기되는 벤트 라인을 포함하되,상기 공급 운전 영역의 세팅 압력보다 상기 공급 라인 내의 압력이 높아지면 상기 메인 가스 밸브는 차단되고 기화된 상기 LNG는 상기 벤트 라인으로 배출되는 것을 특징으로 하는 선박용 엔진의 연료 공급 제어 시스템.
- 제 5항에 있어서, 상기 공급 운전 영역은상기 벤트 라인에 마련되는 압력 조절 밸브;상기 메인 가스 밸브의 하류에서의 상기 공급 운전 영역의 압력을 감지하는 제2 압력 감지부; 및상기 제2 압력 감지부에서 감지된 압력 값을 전송받고, 상기 공급 운전 영역의 세팅 압력에 따라 상기 메인 가스 밸브 및 압력 조절 밸브의 개폐를 제어하여 상기 공급 운전 영역의 압력을 제어하는 제2 제어부를 포함하는 선박용 엔진의 연료 공급 제어 시스템.
- 제 6항에 있어서,상기 기화기의 하류에 마련되는 제1 차단 밸브; 및상기 공급 라인에서 상기 벤트 라인이 분기되는 지점의 상류에 마련되는 제2 차단 밸브를 더 포함하는 선박용 엔진의 연료 공급 제어 시스템.
- 선박용 엔진에 공급되는 연료의 제어 방법에 있어서,1) LNG를 펌프로 펌핑하고 기화시키는 단계;2) 펌핑 및 기화된 LNG를 상기 선박용 엔진으로 공급하는 단계를 포함하되,상기 단계 1)의 공정이 이루어지는 영역의 세팅 압력을 상기 단계 2)의 공정이 이루어지는 영역의 세팅 압력보다 높게 세팅하여 운전하는 것을 특징으로 하는 선박용 엔진의 연료 공급 제어 방법.
- 제 8항에 있어서,상기 단계 1)의 공정이 이루어지는 영역의 압력은, 펌핑 및 기화된 LNG의 압력 값을 감지하여, 상기 펌프의 속도를 제어하거나 펌핑된 LNG를 저장탱크 또는 상기 펌프의 상류로 회수하여 제어되는 것을 특징으로 하는 선박용 엔진의 연료 공급 제어 방법.
- 제 8항에 있어서,상기 단계 2)의 공정이 이루어지는 영역의 압력은, 상기 선박용 엔진으로 도입되는 펌핑 및 기화된 LNG의 압력을 감지하여, 상기 세팅 압력보다 높으면 밸브를 개폐하여 상기 선박용 엔진으로의 도입을 차단하고 기화된 LNG를 상기 단계 2)의 공정이 이루어지는 영역의 외부로 배출하여 제어되는 것을 특징으로 선박용 엔진의 연료 공급 제어 방법.
- 선박용 엔진에 공급되는 연료의 제어 시스템에 있어서,LNG를 펌프로 펌핑하고 기화시키는 시스템 운전 영역; 및상기 시스템 운전 영역에서 펌핑 및 기화된 LNG를 공급받아 상기 선박용 엔진으로 공급하는 공급 운전 영역을 포함하되,상기 시스템 운전 영역과 상기 공급 운전 영역의 압력을 분리하여 각각 제어하는 것을 특징으로 하는 선박용 엔진의 연료 공급 제어 시스템.
- 선박용 엔진에 공급되는 연료의 제어 방법에 있어서,1) LNG를 펌프로 펌핑하고 기화시키는 단계;2) 펌핑 및 기화된 LNG를 상기 선박용 엔진으로 공급하는 단계를 포함하되,상기 단계 1)의 공정이 이루어지는 영역과 상기 단계 2)의 공정이 이루어지는 영역의 압력을 분리하여 각각 제어하는 것을 특징으로 하는 선박용 엔진의 연료 공급 제어 방법.
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| JP2017539546A JP6550466B2 (ja) | 2015-01-30 | 2015-01-30 | 船舶用エンジンの燃料供給制御システム及び燃料供給制御方法 |
| US15/107,077 US9896179B2 (en) | 2015-01-30 | 2015-01-30 | System and method for controlling fuel supply to engine of ship |
| RU2017130437A RU2686651C2 (ru) | 2015-01-30 | 2015-01-30 | Система и способ для управления подачей топлива к судовому двигателю |
| EP15880211.6A EP3252289B1 (en) | 2015-01-30 | 2015-01-30 | System and method for controlling fuel supply of ship engine |
| PCT/KR2015/001034 WO2016122030A1 (ko) | 2015-01-30 | 2015-01-30 | 선박용 엔진의 연료 공급 제어 시스템 및 방법 |
| CN201580074705.0A CN107208559B (zh) | 2015-01-30 | 2015-01-30 | 用于控制轮船发动机的燃料供应的系统和方法 |
| SG11201706183QA SG11201706183QA (en) | 2015-01-30 | 2015-01-30 | System and method for controlling fuel supply of ship engine |
| PH12017501274A PH12017501274A1 (en) | 2015-01-30 | 2017-07-12 | System and method for controlling fuel supply of ship engine |
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| PCT/KR2015/001034 WO2016122030A1 (ko) | 2015-01-30 | 2015-01-30 | 선박용 엔진의 연료 공급 제어 시스템 및 방법 |
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| EP (1) | EP3252289B1 (ko) |
| JP (1) | JP6550466B2 (ko) |
| CN (1) | CN107208559B (ko) |
| PH (1) | PH12017501274A1 (ko) |
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| JP6440329B2 (ja) * | 2016-12-16 | 2018-12-19 | ホクシン産業株式会社 | 燃料油移送装置 |
| DE102020113548A1 (de) * | 2020-05-19 | 2021-11-25 | Tge Marine Gas Engineering Gmbh | Bereitstellung von Brenngas für eine Brenngasmaschine |
| EP4442553A4 (en) * | 2021-12-03 | 2025-11-26 | Hyun Dai Heavy Ind Co Ltd | AMMONIA TREATMENT SYSTEM AND SHIP INCLUDING IT |
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Also Published As
| Publication number | Publication date |
|---|---|
| US9896179B2 (en) | 2018-02-20 |
| JP2018505987A (ja) | 2018-03-01 |
| JP6550466B2 (ja) | 2019-07-24 |
| RU2017130437A3 (ko) | 2019-02-28 |
| EP3252289B1 (en) | 2025-04-09 |
| EP3252289A1 (en) | 2017-12-06 |
| EP3252289C0 (en) | 2025-04-09 |
| CN107208559B (zh) | 2020-10-23 |
| RU2017130437A (ru) | 2019-02-28 |
| CN107208559A (zh) | 2017-09-26 |
| PH12017501274A1 (en) | 2018-01-15 |
| US20160362165A1 (en) | 2016-12-15 |
| SG11201706183QA (en) | 2017-09-28 |
| RU2686651C2 (ru) | 2019-04-29 |
| EP3252289A4 (en) | 2019-01-09 |
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