CN107035577A - The air supply system of gas engine peculiar to vessel - Google Patents

The air supply system of gas engine peculiar to vessel Download PDF

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Publication number
CN107035577A
CN107035577A CN201710408958.8A CN201710408958A CN107035577A CN 107035577 A CN107035577 A CN 107035577A CN 201710408958 A CN201710408958 A CN 201710408958A CN 107035577 A CN107035577 A CN 107035577A
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CN
China
Prior art keywords
adapter
blender
air
paragraph
gas
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201710408958.8A
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Chinese (zh)
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CN107035577B (en
Inventor
黄第云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Marine and Genset Power Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201710408958.8A priority Critical patent/CN107035577B/en
Publication of CN107035577A publication Critical patent/CN107035577A/en
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Publication of CN107035577B publication Critical patent/CN107035577B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/024Air cleaners using filters, e.g. moistened
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203Apparatus 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
    • F02M21/0209Hydrocarbon fuels, e.g. methane or acetylene
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/06Fuel or fuel supply system parameters
    • F02D2200/0614Actual fuel mass or fuel injection amount
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The invention discloses a kind of air supply system of gas engine peculiar to vessel, including:Air cleaner, it is arranged on support;Blender, its one end is connected by cleaner adapter with air cleaner, and the other end of blender is connected with booster, and booster is connected with charge air cooler, is provided with the side wall of blender in gas inlet pipe, gas inlet pipe and is connected to injection metering valve;And inlet manifold, it is connected by air inlet tube with charge air cooler, and air inlet tube includes:Explosion-proof valve is provided with the outside of first bend pipe, its curved wall;First paragraph is taken over, and air inlet spark arrester is connected between first paragraph adapter and the first bend pipe;And second segment adapter, second segment is taken over and first paragraph adapter is parallel with inlet manifold, and electronic throttle is connected between first paragraph adapter and second segment adapter, and second segment adapter is connected by the second bend pipe with charge air cooler.The system can provide fuel using combustion gas for marine engine.

Description

The air supply system of gas engine peculiar to vessel
Technical field
The present invention relates to marine engine field, more particularly to a kind of air supply system of gas engine peculiar to vessel.
Background technology
Existing marine engine uses diesel engine, and marine diesel includes fuel injection system and the igniting of diesel engine System.Fuel injection system includes oil pump and fuel injector, and oil pump is arranged on body, and fuel injector is arranged on the fuel injector on cylinder cap In hole.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of air supply system of gas engine peculiar to vessel, it is possible to use combustion gas is hair peculiar to vessel Motivation provides fuel.
To achieve the above object, the invention provides a kind of air supply system of gas engine peculiar to vessel, including:Air-filtering Device, it is arranged on support;Blender, its one end is connected by cleaner adapter with air cleaner, the other end of blender It is connected with booster, booster is connected with charge air cooler, is provided with gas inlet pipe, gas inlet pipe and connects on the side wall of blender There is injection metering valve;And inlet manifold, it is connected by air inlet tube with charge air cooler, and air inlet tube includes:First bend pipe, its It is connected with inlet manifold, explosion-proof valve is provided with the outside of the curved wall of the first bend pipe;First paragraph is taken over, and the first paragraph is taken over and first is curved Pipe is connected, and air inlet spark arrester is connected between first paragraph adapter and the first bend pipe;And second segment adapter, second segment adapter and the One section of adapter connection, second segment adapter and first paragraph adapter are parallel with inlet manifold, between first paragraph adapter and second segment adapter Electronic throttle is connected to, second segment adapter is connected by the second bend pipe with charge air cooler.
Preferably, cleaner adapter and the connection end of blender are provided with the first mounting flange, the other end of blender with Booster is connected by connector, and connector includes the second mounting flange and be welded on the second mounting flange to be used for and increasing The adapter of depressor connection, the first mounting flange and the second mounting flange are docked at the two ends of blender by studs, The end face at the two ends of blender is provided with sealing ring between the card of the first mounting flange and the second mounting flange respectively.
Preferably, the side wall of gas inlet pipe and blender is connected by flange.
Preferably, injection metering valve is connected with gas inlet pipe by flange.
Preferably, injection metering valve and electronic throttle are controlled by the electronic control unit ECU of engine.
Compared with prior art, the present invention has the advantages that:Sprayed by the fuel oil for cancelling existing diesel engine The related parts of system, by setting fuel gas injection metering valve, blender, electronic throttle related components, are being eliminated After original fuel injector, make the oil injector hole on former cylinder cap into spark-plug hole and the purpose of the present invention can be achieved, and pass through The air inflow of Electronic Throttle Control engine mixed gas and then the size for controlling engine output loading, by spraying metering valve Combustion gas input quantity is controlled, engine is reached reasonable air-fuel ratio, promotes burning, engine efficiency is improved, blender, which is arranged on, to be increased It can ensure that combustion gas and fresh air are mixed before depressor, form homogeneous mixture.
Brief description of the drawings
Fig. 1 is the schematic diagram of the air supply system of the gas engine peculiar to vessel according to the present invention;
Fig. 2 is part-structure schematic diagram in the air supply system according to the gas engine peculiar to vessel of the present invention;
Fig. 3 is the structural representation of air inlet assembly in the air supply system according to the gas engine peculiar to vessel of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members Part or other parts.
As shown in Figure 1 to Figure 3, according to a kind of air supply system of gas engine peculiar to vessel of the specific embodiment of the invention, Including air cleaner 101, blender 102, inlet manifold 106 and booster 103, the charge air cooler being connected with blender 102 104th, metering valve 109 is sprayed.Specifically, air cleaner 101 is arranged on support 5, and one end of blender 102 passes through cleaner Adapter 3 is connected with air cleaner 101, and the other end of blender 102 is connected with booster 103, booster 103 and charge air cooler It is provided with 104 connections, the side wall of blender 102 in gas inlet pipe, the present embodiment, gas inlet pipe includes combustion gas adapter 1 With connecting tube 4, connecting tube 4 can be fixed on support 5 by U bolt 6, and injection is connected between combustion gas adapter 1 and connecting tube 4 Metering valve 3, connecting tube 4 is connected metering valve 3 is sprayed with the side wall of blender 102, and inlet manifold 106 is by air inlet tube with Cooler 104 is connected.In the present embodiment, air inlet tube includes the first bend pipe 12, first paragraph adapter 20 and second segment adapter 25, its In the first bend pipe 12 be connected with inlet manifold 106, explosion-proof valve 14, first paragraph adapter are provided with the outside of the curved wall of the first bend pipe 12 20 are connected with the first bend pipe 12, and air inlet spark arrester 19 is connected between the bend pipe 12 of first paragraph adapter 20 and first, second segment adapter 25 are connected with first paragraph adapter 20, and second segment adapter 25 and first paragraph adapter 20 are parallel with inlet manifold 106, it is preferred that entering The upside of gas manifold 106 is fixed with support frame 22 and is used for supporting second segment adapter 25 and first paragraph adapter 20, first paragraph adapter 20 Electronic throttle 105 is connected between second segment adapter 25, second segment adapter 25 is connected by the second bend pipe 23 and charge air cooler 104 Connect.
In such scheme, the effect of electronic throttle 105 is to control engine mixed gas to enter entering for engine cylinder-body 107 Tolerance and then the size for controlling engine output loading, injection metering valve can control combustion gas input quantity by gas valve, make hair Motivation reaches reasonable air-fuel ratio, promotes burning, improves engine efficiency, and blender is arranged on before booster, and it is to ensure that it, which is acted on, Combustion gas and fresh air are mixed, and form homogeneous mixture.
As a kind of preferred embodiment, cleaner adapter 3 and the connection end of blender 103 are provided with the first mounting flange 7, The other end of blender 103 is connected with booster by connector, and connector includes the second mounting flange 8 and is welded on second It is used for the adapter 9 being connected with booster on mounting flange 8, the first mounting flange 7 and the second mounting flange 8 pass through double end Stud is docked at the two ends of blender 103, and the end face at the two ends of blender 103 connects with the first mounting flange 7 and second respectively Sealing ring is provided between the card of acting flange disk 8.
As a kind of preferred embodiment, gas inlet pipe is connected with the side wall of blender 103 by flange, and flange passes through spiral shell Bolt is fixedly connected, and blender pad is provided between flange.
As a kind of preferred embodiment, injection metering valve 3 is connected with gas inlet pipe by flange, in this programme, combustion gas Air inlet pipe includes combustion gas adapter 1 and connecting tube 4, connection injection metering valve 3, the He of connecting tube 4 between combustion gas adapter 1 and connecting tube 4 Metering valve gasket 2 is equipped between combustion gas adapter 1 and the ring flange for spraying metering valve 3.
As a kind of preferred embodiment, the electronic control unit of metering valve 3 and electronic throttle 105 by engine is sprayed ECU is controlled, in this programme, carries out the control of air inflow by ECU according to the operating mode of engine, combustion gas in blender with from air The air that cleaner is come in enters the electronic throttle controlled through ECU after being mixed after charger boost, charge air cooler cooling Into in engine cylinder, burnt through spark ignitor, the time of ignition of spark plug is by ECU controls, and electronic throttle 105 is controlled The amount for the gaseous mixture that system enters in cylinder, so as to control the rotating speed and load of engine, driver is passed power demand by throttle ECU is given, ECU is received after accelerator pedal signal, electronic throttle aperture is controlled according to engine operation condition, pass through control Butterfly valve opening, control idling speed and speed regulation characteristic.The oxygen concentration of tail gas after the burning of lambda sensor immediately monitoring, is calculated Go out air-fuel ratio, ECU corrects fuel gas supply amount in time according to the feedback signal of lambda sensor.
To sum up, the air supply system of the gas engine peculiar to vessel of the present embodiment, is sprayed by the fuel oil for cancelling existing diesel engine The related parts of system are penetrated, by setting fuel gas injection metering valve, blender, electronic throttle related components, are being cancelled After original fuel injector, by oil injector hole on former cylinder cap make into spark-plug hole can be achieved the purpose of the present invention (in Fig. 1, Ignition system 108 includes spark plug), and started by the air inflow and then control of Electronic Throttle Control engine mixed gas The size of machine output loading, controls combustion gas input quantity by spraying metering valve, engine is reached reasonable air-fuel ratio, promote combustion Burn, improve engine efficiency, blender can ensure that combustion gas and fresh air are uniformly mixed before being arranged on booster, form uniform Gaseous mixture.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should With so that those skilled in the art can realize and using the present invention a variety of exemplaries and A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (5)

1. a kind of air supply system of gas engine peculiar to vessel, it is characterised in that including:
Air cleaner, it is arranged on support;
Blender, its one end is connected by cleaner adapter with the air cleaner, the other end of the blender and supercharging Device is connected, and the booster is connected with charge air cooler, and gas inlet pipe, the gas inlet are provided with the side wall of the blender Injection metering valve is connected in pipe;And
Inlet manifold, it is connected by air inlet tube with the charge air cooler, and the air inlet tube includes:
First bend pipe, it is connected with the inlet manifold, and explosion-proof valve is provided with the outside of the curved wall of first bend pipe;
First paragraph is taken over, and the first paragraph adapter be connected with first bend pipe, the first paragraph take over and first bend pipe it Between be connected to air inlet spark arrester;And
Second segment is taken over, and second segment adapter is connected with first paragraph adapter, and the second segment adapter and the first paragraph connect Pipe is parallel with the inlet manifold, and first paragraph adapter and the second segment are connected to electronic throttle between taking over, and described the Two sections of adapters are connected by the second bend pipe with the charge air cooler.
2. the air supply system of gas engine peculiar to vessel according to claim 1, it is characterised in that the cleaner adapter with The connection end of the blender is provided with the first mounting flange, and the other end of the blender passes through connector with the booster Connection, the connector includes the second mounting flange and is welded on second mounting flange to be used for and the booster The adapter of connection, first mounting flange and second mounting flange are docked at the blender by studs Two ends, the end face at the two ends of the blender respectively with first mounting flange and the disk of second mounting flange Sealing ring is provided between face.
3. the air supply system of gas engine peculiar to vessel according to claim 2, it is characterised in that the gas inlet pipe with The side wall of the blender is connected by flange.
4. the air supply system of gas engine peculiar to vessel according to claim 1, it is characterised in that the injection metering valve with The gas inlet pipe is connected by flange.
5. the air supply system of gas engine peculiar to vessel according to claim 1, it is characterised in that the injection metering valve and The electronic throttle is controlled by the electronic control unit ECU of engine.
CN201710408958.8A 2017-06-02 2017-06-02 The air supply system of gas engine peculiar to vessel Active CN107035577B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559104A (en) * 2017-09-13 2018-01-09 第拖拉机股份有限公司 A kind of air inlet tube device of natural gas engine
CN107806375A (en) * 2017-10-25 2018-03-16 四川中车玉柴发动机股份有限公司 A kind of gas engine pressure charging system and gas engine
CN109763917A (en) * 2019-03-19 2019-05-17 重庆喜恩动力机械有限公司 A kind of energy-saving diesel engine
CN109908747A (en) * 2019-02-18 2019-06-21 中国舰船研究设计中心 A kind of wall-attachment integration filter ventilation device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61185669A (en) * 1985-02-09 1986-08-19 Yamaha Motor Co Ltd Mixture supply device of gas engine
JP2000027710A (en) * 1998-07-08 2000-01-25 Yanmar Diesel Engine Co Ltd Excess air ratio control device for internal combustion engine
CN103061883A (en) * 2013-01-19 2013-04-24 昆山允可精密工业技术有限公司 Anti-explosion valve for engines
CN103437916A (en) * 2013-08-30 2013-12-11 东风商用车有限公司 Anti-backfire safety valve of engine
CN203769978U (en) * 2014-04-02 2014-08-13 广西玉柴机器股份有限公司 Gas engine gas supply pipe
CN104500278A (en) * 2014-12-20 2015-04-08 玉柴联合动力股份有限公司 Explosion-proof mixer for natural gas engine
CN105909396A (en) * 2016-06-23 2016-08-31 襄阳美标朗源动力实业有限公司 Energy-saving gas engine
CN206206016U (en) * 2016-11-21 2017-05-31 潍柴西港新能源动力有限公司 Gas metering valve and blender integral structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61185669A (en) * 1985-02-09 1986-08-19 Yamaha Motor Co Ltd Mixture supply device of gas engine
JP2000027710A (en) * 1998-07-08 2000-01-25 Yanmar Diesel Engine Co Ltd Excess air ratio control device for internal combustion engine
CN103061883A (en) * 2013-01-19 2013-04-24 昆山允可精密工业技术有限公司 Anti-explosion valve for engines
CN103437916A (en) * 2013-08-30 2013-12-11 东风商用车有限公司 Anti-backfire safety valve of engine
CN203769978U (en) * 2014-04-02 2014-08-13 广西玉柴机器股份有限公司 Gas engine gas supply pipe
CN104500278A (en) * 2014-12-20 2015-04-08 玉柴联合动力股份有限公司 Explosion-proof mixer for natural gas engine
CN105909396A (en) * 2016-06-23 2016-08-31 襄阳美标朗源动力实业有限公司 Energy-saving gas engine
CN206206016U (en) * 2016-11-21 2017-05-31 潍柴西港新能源动力有限公司 Gas metering valve and blender integral structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559104A (en) * 2017-09-13 2018-01-09 第拖拉机股份有限公司 A kind of air inlet tube device of natural gas engine
CN107806375A (en) * 2017-10-25 2018-03-16 四川中车玉柴发动机股份有限公司 A kind of gas engine pressure charging system and gas engine
CN109908747A (en) * 2019-02-18 2019-06-21 中国舰船研究设计中心 A kind of wall-attachment integration filter ventilation device
CN109763917A (en) * 2019-03-19 2019-05-17 重庆喜恩动力机械有限公司 A kind of energy-saving diesel engine

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Effective date of registration: 20230117

Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region

Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd.

Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin

Patentee before: Guangxi Yuchai Machinery Co.,Ltd.