WO2017073284A1 - Structure de salle des machines de navire - Google Patents

Structure de salle des machines de navire Download PDF

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Publication number
WO2017073284A1
WO2017073284A1 PCT/JP2016/079825 JP2016079825W WO2017073284A1 WO 2017073284 A1 WO2017073284 A1 WO 2017073284A1 JP 2016079825 W JP2016079825 W JP 2016079825W WO 2017073284 A1 WO2017073284 A1 WO 2017073284A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
casing
engine room
engine
gas
Prior art date
Application number
PCT/JP2016/079825
Other languages
English (en)
Japanese (ja)
Inventor
洋輔 野中
木塚　智昭
知 深尾
重治 藤原
永遠 平山
宏佳 石井
Original Assignee
川崎重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 川崎重工業株式会社 filed Critical 川崎重工業株式会社
Publication of WO2017073284A1 publication Critical patent/WO2017073284A1/fr

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02—Ventilation; Air-conditioning
    • B63J2/06—Ventilation; Air-conditioning of engine rooms
    • 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
    • F02D19/06—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • 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
    • 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 ship engine room structure.
  • the amount of heat of the fuel gas may change, so it is desirable to measure the amount of heat of the fuel gas with a fuel meter and control the air-fuel ratio and ignition timing based on the amount of heat of the fuel gas.
  • the amount of heat of the fuel gas can be measured by, for example, a sampling calorimeter.
  • the IGC code and the IGF code have provisions for making the engine room a gas-safe machinery space.
  • the piping that flows through the fuel gas and the equipment that contacts the fuel gas are wrapped in another structure (so-called double pipe structure), and the interior of this structure is always Must be ventilated.
  • double pipe structure the double pipe structure of the calorimeter itself and the double pipe structure of the pipe that guides the fuel gas to be sampled to the calorimeter.
  • an object of the present invention is to provide a ship engine room structure that can easily realize a double pipe structure including a sampling calorimeter.
  • the inventors of the present invention pay attention to the fact that a casing for accommodating a fuel gas shut-off valve or the like is provided in the engine room of a ship. It was found that a double-pipe structure can be easily realized by arranging the meters. The present invention has been made from such a viewpoint.
  • the engine room structure of the ship of the present invention is disposed in the engine room, a gas engine disposed in the engine room, a supply pipe provided with a shut-off valve for guiding fuel gas to the gas engine, A casing that houses the shutoff valve, an outer pipe that wraps the supply pipe between the casing and the gas engine, and a part of the fuel gas that flows in the supply pipe and that is housed in the casing. And a calorimeter that measures the amount of heat.
  • the sampling type calorimeter is housed in the casing together with the shut-off valve, the double pipe structure including the calorimeter can be realized easily and compactly.
  • the engine room structure further includes a ventilation pipe for guiding the air in the casing to the outside of the engine room, and a ventilation fan provided in the ventilation pipe, and the outer pipe includes an inside of the outer pipe and An air intake port that communicates with the ventilation pipe via the inside of the casing may be provided. According to this configuration, a flow of air for ventilation is formed from the air intake port through the inside of the outer pipe and the inside of the casing to the ventilation pipe.
  • the calorimeter may release the fuel gas after the calorie measurement into the casing. According to this configuration, the fuel gas released from the calorimeter can be discharged out of the engine room using the flow of air for ventilation.
  • the engine room structure is an open pipe that branches from the supply pipe in the casing and extends to the outside of the engine room, and further includes an open pipe provided with an open valve accommodated in the casing,
  • the calorimeter may discharge the fuel gas after the calorie measurement to the open pipe downstream from the open valve. According to this configuration, the fuel gas released from the calorimeter can be discharged outside the engine room using the open pipe.
  • the gas engine is provided with a plurality of fuel injection valves
  • the supply pipe is connected to the plurality of branch pipes respectively connected to the plurality of fuel injection valves, and the main pipe connected to the plurality of branch pipes.
  • the outer pipe may include a first pipe that wraps the mainstream pipe and a plurality of second pipes that each wraps the branch pipe and the fuel injection valve.
  • a double tube structure including a sampling calorimeter can be easily realized.
  • FIG. 1 shows an engine room structure of a ship according to an embodiment of the present invention.
  • a gas engine 2 is disposed in the engine room 1 of the ship.
  • a fuel gas (for example, natural gas) is led from the engine room 1 to the gas engine 2 through the supply pipe 3.
  • the gas engine 2 may be a gas-only engine that burns only fuel gas, or may be a dual fuel engine that burns one or both of fuel gas and fuel oil.
  • the gas engine 2 includes a crankshaft 21.
  • the crankshaft 21 is connected to the propulsion shaft 11 to which the propeller 12 is attached via a reduction gear (not shown).
  • the gas engine 2 drives the propulsion shaft 11 directly.
  • the gas engine 2 may indirectly drive the propulsion shaft 11 via a generator and an electric motor.
  • the gas engine 2 is a 4-stroke engine.
  • the gas engine 2 may be a two-stroke engine.
  • the gas engine 2 includes a plurality of cylinders 22 arranged in the axial direction of the crankshaft 21 and a plurality of cylinder heads 23 attached to the cylinders 22 respectively.
  • Each cylinder head 23 is formed with an air supply path and an exhaust path communicating with the combustion chamber in the cylinder 22.
  • Each cylinder head 23 is provided with a fuel injection valve 25 for injecting fuel gas into the air supply path.
  • the fuel injection valve 25 may be provided in a portion other than the cylinder head 23 in the gas engine 2.
  • the supply pipe 3 includes a plurality of branch pipes 3b each connected to the fuel injection valve 25, and a main stream pipe 3a connected to these branch pipes 3b.
  • the main flow pipe 3a is provided with a first cutoff valve 31, a second cutoff valve 32, a pressure regulating valve 33, a filter 34, and a pressure gauge 35 in order from the upstream side.
  • These devices 31 to 35 are accommodated in a small casing 5 disposed in the engine room 1 near the gas engine 2.
  • the casing 5 is a pressure vessel, for example.
  • the supply pipe 3 is encased in the outer pipe 6 between the casing 5 and the gas engine 2.
  • the outer pipe 6 includes a first pipe 61 that encloses the mainstream pipe 3 a and a plurality of second pipes 62 that each enclose the branch pipe 3 b of the supply pipe 3 and the fuel injection valve 25.
  • the first pipe 61 extends from the casing 5 along the main flow pipe 3 a of the supply pipe 3.
  • An air intake 63 is provided at the tip of the first pipe 61.
  • the first ventilation pipe 71 is connected to the casing 5. That is, the first ventilation pipe 71 communicates with the air intake 63 through the inside of the casing 5 and the inside of the outer pipe 6. The first ventilation pipe 71 guides the air in the casing 5 to the outside of the engine room 1.
  • a ventilation fan 72 is provided in the first ventilation pipe 71.
  • a second ventilation pipe 73 is connected to the ventilation pipe 71 so as to bypass the ventilation fan 72, and the ventilation fan 74 is also provided in the second ventilation pipe 73.
  • the first open pipe 41 and the second open pipe 43 are branched from the supply pipe 3. More specifically, the first open pipe 41 branches from the supply pipe 3 between the first shut-off valve 31 and the second shut-off valve 32, and the second open pipe 43 is between the pressure adjustment valve 33 and the filter 34. Is branched from the supply pipe 3.
  • the first open pipe 41 and the second open pipe 43 extend to the outside of the engine room 1.
  • the first open pipe 41 and the second open pipe 43 are provided with open valves 42 and 44, respectively, and these open valves 42 and 44 are accommodated in the casing 5.
  • the calorimeter 8 is accommodated in the casing 5.
  • the calorimeter 8 samples a part of the fuel gas flowing through the supply pipe 3 and measures the amount of heat.
  • the calorimeter 8 is connected to the mainstream pipe 3 a of the supply pipe 3 by a sampling pipe 81.
  • the position where the sampling pipe 81 is connected to the mainstream pipe 3 a may be any position within the casing 5, but is desirably downstream of the pressure gauge 35.
  • the calorimeter 8 releases the fuel gas after the calorie measurement into the casing 5.
  • the calorimeter 8 is an optical type.
  • the sampling-type calorimeter 8 is housed in the casing 5 together with the shut-off valves 31 and 33, so that the double tube structure including the calorimeter 8 is simple and easy. It can be realized compactly.
  • the calorimeter 8 releases the fuel gas after the calorie measurement into the casing 5, so that the fuel gas released from the calorimeter 8 is used in the engine room 1 using the flow of air for ventilation. Can be discharged outside.
  • the calorimeter 8 may release the fuel gas after the calorie measurement to the second open pipe 43 on the downstream side of the open valve 44.
  • the fuel gas released from the calorimeter 8 can be discharged out of the engine room 1 using the first open pipe 41.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

La présente structure de salle des machines d'un navire comprend un moteur à gaz disposé à l'intérieur d'une salle des machines, une tuyauterie d'alimentation qui guide un combustible gazeux jusque dans le moteur à gaz et qui est dotée d'une vanne d'arrêt, un capotage qui enveloppe la vanne d'arrêt, une tuyauterie extérieure qui enveloppe la tuyauterie d'alimentation entre le capotage et le moteur à gaz, et un calorimètre qui, étant logé dans le capotage, mesure la quantité de chaleur en échantillonnant une partie du combustible gazeux circulant à travers la tuyauterie d'alimentation.
PCT/JP2016/079825 2015-10-30 2016-10-06 Structure de salle des machines de navire WO2017073284A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015214006A JP6072193B1 (ja) 2015-10-30 2015-10-30 船舶のエンジンルーム構造
JP2015-214006 2015-10-30

Publications (1)

Publication Number Publication Date
WO2017073284A1 true WO2017073284A1 (fr) 2017-05-04

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ID=57937480

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/079825 WO2017073284A1 (fr) 2015-10-30 2016-10-06 Structure de salle des machines de navire

Country Status (2)

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JP (1) JP6072193B1 (fr)
WO (1) WO2017073284A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7264968B2 (ja) * 2019-04-22 2023-04-25 中西商事株式会社 二重管構造及びその形成方法
JP7013412B2 (ja) * 2019-04-22 2022-01-31 中西商事株式会社 二重管構造
JP7055826B2 (ja) 2020-02-07 2022-04-18 中西商事株式会社 二重管構造体、サポート及び二重管構造体の形成方法
JP6999729B2 (ja) 2020-03-30 2022-01-19 中西商事株式会社 二重管構造体及びサポート
JP2023097540A (ja) * 2021-12-28 2023-07-10 川崎重工業株式会社 ガスエンジン
JP2023156798A (ja) 2022-04-13 2023-10-25 中西商事株式会社 二重管構造体、その形成方法及び管支持部材
JP7492569B2 (ja) 2022-11-02 2024-05-29 中西商事株式会社 二重管構造体、その形成方法及び管支持部材

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012172553A (ja) * 2011-02-18 2012-09-10 Mitsubishi Heavy Ind Ltd ガスエンジン
JP2014181861A (ja) * 2013-03-19 2014-09-29 Osaka Gas Co Ltd 混合気供給システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012172553A (ja) * 2011-02-18 2012-09-10 Mitsubishi Heavy Ind Ltd ガスエンジン
JP2014181861A (ja) * 2013-03-19 2014-09-29 Osaka Gas Co Ltd 混合気供給システム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KOICHI NISHIFUJI: "Practical Use of LNG Fuelled Ships and Class NK Activities", JOURNAL OF THE JAPAN INSTITUTE OF MARINE ENGINEERING, vol. 47, no. 6, November 2012 (2012-11-01), pages 8 - 11, XP055379024 *

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Publication number Publication date
JP6072193B1 (ja) 2017-02-01
JP2017082728A (ja) 2017-05-18

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