CN107120185A - Gas engine peculiar to vessel - Google Patents
Gas engine peculiar to vessel Download PDFInfo
- Publication number
- CN107120185A CN107120185A CN201710423839.XA CN201710423839A CN107120185A CN 107120185 A CN107120185 A CN 107120185A CN 201710423839 A CN201710423839 A CN 201710423839A CN 107120185 A CN107120185 A CN 107120185A
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- gas
- engine
- gvu
- unit
- mixer
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- 239000007789 gas Substances 0.000 claims description 91
- 239000002737 fuel gas Substances 0.000 claims description 25
- 239000000567 combustion gas Substances 0.000 claims description 20
- 239000000446 fuel Substances 0.000 claims description 15
- 230000002000 scavenging effect Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005183 dynamical system Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/10—Safety means relating to crankcase explosions
-
- 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
-
- 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
- F02M21/0293—Safety devices; Fail-safe measures
-
- 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
- F02M21/04—Gas-air mixing apparatus
-
- 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
Landscapes
- 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 gas engine peculiar to vessel, including gas handling system, engine unit, control unit of engine, also include integrated mixer, GVU devices, control unit of engine and the turbo charger unit being arranged on engine unit, the gas handling system passes sequentially through turbo charger unit and integrated mixer is connected with engine unit, the GVU devices are connected with integrated mixer, and the turbo charger unit is connected with engine unit.The present invention can effectively improve service efficiency and security by designing GVU devices and integrated mixer while strengthening the explosion-proof performance of gas leakage detection and turbo charger unit and crankcase.
Description
Technical field
The present invention relates to engine art, more particularly to a kind of gas engine peculiar to vessel.
Background technology
Current China dynamical system peculiar to vessel is main using diesel oil as power source, and diesel oil was the fuel in short supply of China in recent years,
Using diesel oil as the energy of dynamical system peculiar to vessel, the economic development situation of China is neither adapted to, particularly in diesel oil supply increasingly
In the case that nervous and demand increases sharply, it will necessarily cause that diesel-fuel price constantly rises and operation cost is improved constantly, more
For it is important that the energy-saving and emission-reduction requirement of country's proposition can not be reached.Dynamical system peculiar to vessel is influenceed by vessel motion, is especially existed
When being run in the environment of high sea, the operation of engine is very important safely, and this directly influences the operation of whole ship
And safety, it is even more important in the course of work of gas engine, so safe design is carried out to gas engine makes it in peace
Energy-saving and emission-reduction in the case of full reliability service, are that current needs are solved and improved project.
The content of the invention
It is an object of the present invention to provide a kind of gas engine peculiar to vessel, service efficiency and security can be effectively improved.
To realize the purpose, there is provided a kind of gas engine peculiar to vessel, including gas handling system, engine unit, engine
Control unit, in addition to integrated mixer, GVU devices, control unit of engine and the turbine being arranged on engine unit
Compress cell, the gas handling system passes sequentially through turbo charger unit and integrated mixer is connected with engine unit, described
GVU devices are connected with integrated mixer, and the turbo charger unit is connected with engine unit.
Preferably, the GVU devices include GVU shielded boxes, the first tracheae, the second tracheae, are arranged on GVU shielded boxes
Gaseous fuel air inlet, gaseous fuel gas outlet and scavenging gas outlet, are arranged at pressure regulator in GVU shielded boxes, combustion gas filtering
Device, the first pneumatic operated valve and the second pneumatic operated valve, the gaseous fuel air inlet by the first tracheae successively with pressure regulator, combustion gas filtering
Device, the first pneumatic operated valve and gaseous fuel gas outlet connection, the scavenging gas outlet by the second tracheae successively with the second pneumatic operated valve
With the connection of the first tracheae, second tracheae and the first tracheae tie point are between combustion gas cleaner and the first pneumatic operated valve.
Preferably, pressure transmitter and pressure inverting are provided between the gaseous fuel air inlet and the first pneumatic operated valve
GVU gas leakage sensors and GVU combustion gas are additionally provided with the control unit connection of device and engine, the GVU shielded boxes
Leak sensor is connected with the pneumatic valve control unit, VCU being arranged at outside GVU shielded boxes.
Preferably, the integrated mixer includes fuel gas inlet, the upper gas rail being connected with fuel gas inlet, upper end and upper gas
At least one nozzle of rail connection, the lower gas rail being connected with nozzle lower end, the mixed cell being connected with lower gas rail, the upper gas
Rail, nozzle and lower gas rail are arranged in integrated mixer shielded box.
Preferably, the mixed cell, which includes, is arranged at the air inlet of mixed cell side, is arranged on mixed cell
The mixer outlet of the opposite side of side, the mixer core being arranged in mixed cell where air inlet, the mixed cell are set
In in integrated mixer shielded box lower end.
Preferably, the GVU devices and integrated mixer are connected by Double layer pipeline, the inner tube of the Double layer pipeline
Road is fuel gas pipeline and be connected respectively with the first tracheae and fuel gas inlet, the outer layer pipeline of Double layer pipeline be air pipe line and
It is connected respectively with gaseous fuel gas outlet and integrated mixer shielded box by flange.
Preferably, a gas leakage is set to pass at top 1m~1.5m of the GVU devices and integrated mixer respectively
Sensor, the gas leakage sensor and control unit of engine.
Preferably, the crankcase of the engine unit sets explosion-proof valve and crankcase inerting interface, and the crankcase goes out
Gas port connects a respirator, away from the bent axle that setting one is connected with control unit of engine at the 50mm-100m of respirator gas outlet
The probe of case gas security and crankcase gas security is located on respirator center line.
Preferably, the control unit of engine is provided with uninterrupted power source connection.
Preferably, spark arrester is provided with the connecting line of the engine unit and integrated mixer, it is described to start
Explosion-proof valve is provided with the connecting line of machine unit and turbo charger unit.
Compared with prior art, its advantage is the present invention：
The present invention is by designing GVU devices and integrated mixer while strengthening gas leakage detection and turbocharging
The explosion-proof performance of unit and crankcase, can effectively improve service efficiency and security.In the present invention, by GVU shielded boxes
Gaseous fuel air inlet, gaseous fuel gas outlet are passed through air by Double layer pipeline connection, when a certain junction occurs in casing
During gas leakage, combustion gas can be taken away outside cabin by Double layer pipeline outer layer channel, gas leakage can be prevented to cabin
Inside, triggers potential dangerous.The present invention is by the way that the lower gas rail of integrated mixer is connected with mixed cell integral type so that
Nozzle constitutes an entirety with mixed cell, so as to effectively improve safety and stability, effectively improves operating efficiency.
Brief description of the drawings
Fig. 1 is structured flowchart of the invention；
Fig. 2 is structural representation of the invention；
Fig. 3 is the structural representation of GVU devices in the present invention；
Fig. 4 is the structural representation of integrated mixer in the present invention；
Fig. 5 is the attachment structure schematic diagram of GVU devices and integrated mixer in the present invention.
Embodiment
With reference to embodiment, the invention will be further described, but does not constitute any limitation of the invention, any
The modification of the limited number of time made in scope of the invention as claimed, still in scope of the presently claimed invention.
As Figure 1-Figure 2, the invention provides a kind of gas engine peculiar to vessel, including gas handling system 1, engine unit
4th, control unit of engine 7, in addition to be arranged on engine unit 4 integrated mixer 3, GVU devices 2, engine control
Unit 5 and turbo charger unit 6 processed, gas handling system 1 pass sequentially through turbo charger unit 6 and integrated mixer 3 and engine
Unit 4 is connected, and GVU devices 2 are connected with integrated mixer 3, and turbo charger unit 6 is connected with engine unit 4.
A gas leakage sensor 8, combustion gas are set respectively at top 1m~1.5m of GVU devices 2 and integrated mixer 3
Leak sensor 8 and control unit of engine 7.The crankcase of engine unit 4 sets explosion-proof valve and crankcase inerting interface, bent axle
Case gas outlet connects a respirator, what is be connected away from setting one at the 50mm-100m of respirator gas outlet with control unit of engine 7
The probe of crankcase gas security and crankcase gas security is located on respirator center line.One and engine control are set
The crankcase gas security that unit 7 processed is connected.Control unit of engine 7 is provided with uninterrupted power source connection.Engine unit 4
With being provided with spark arrester, the connecting line of engine unit 4 and turbo charger unit 6 on the connecting line of integrated mixer 3
On be provided with explosion-proof valve.
In the present embodiment, GVU is engine gas valve terminal, and spark arrester is successively by back-fire relief body, spark arrester core, resistance
Firearm cover plate is constituted.Two panels spark arrester core is fixed on the two by back-fire relief body with spark arrester cover plate by bolt, packing ring and nut
Between.Spark arrester core is in network structure, and its major function is to play a part of back-fire relief on the premise of engine performance is not influenceed：
When engine flashback, flame passes through spark arrester core, and the spark arrester core wall relatively low with temperature is fully contacted, and passes through heat transfer
Effect and wall effect flame temperature decline until extinguishing, so that the harm of engine flashback be preferably minimized.
In the present embodiment, engine unit 4 on the connecting line of turbo charger unit 6 with being provided with explosion-proof valve so that i.e.
The pressure in tempering phenomenon, air inlet pipe is set also to be less than the pressure-bearing of air inlet pipe.Also connecting tube between motivation unit 4 and exhaust unit 5
Explosion-proof valve is provided with road, prevents unburned fuel gas from bringing badly damaged after setting off an explosion in blast pipe.
In the present embodiment, control unit of engine 7 can also be powered using instrument to ECU while instrument sets relay real
Existing dual power supply and automatic switching function.Crankcase outlet spare interface, so that gas can be drained into by flame arrester
Outside cabin.The blast pipe intensity of engine unit 4 proved using CAE analysis and gas pressure test, and provable blast pipe intensity can be with
Meet the blast under most harsh conditions.The row's of setting temperature monitoring before the blast pipe of engine unit 4.
As shown in figure 3, GVU devices 2 include GVU shielded boxes 21, the first tracheae 291, the second tracheae 292, are arranged at GVU screens
Gaseous fuel air inlet 22, gaseous fuel gas outlet 23 and the scavenging gas outlet 24 on case 21 are covered, is arranged in GVU shielded boxes 21
Pressure regulator 25, combustion gas cleaner 26, the first pneumatic operated valve 27 and the second pneumatic operated valve 28, gaseous fuel air inlet 22 passes through the first gas
Pipe 291 is connected with pressure regulator 25, combustion gas cleaner 26, the first pneumatic operated valve 27 and gaseous fuel gas outlet 23 successively, scavenging outlet
Mouth 4 is connected with the second pneumatic operated valve 8 and the first tracheae 291 successively by the second tracheae 292, the second tracheae 292 and the first tracheae 291
Tie point is between the pneumatic operated valve 27 of combustion gas cleaner 26 and first.Set between the pneumatic operated valve 27 of gaseous fuel air inlet 22 and first
It is equipped with pressure transmitter 210 and pressure transmitter 213 is connected with the control unit of engine, is also set up in GVU shielded boxes 21
There are GVU gas leakage sensors and a pneumatic operated valve of the GVU gas leakage sensors with being arranged at outside GVU shielded boxes 21 controls list
Member connection.
In the present embodiment, the overall construction design of GVU shielded boxes 21 is welded using 3mm steel plates, and its end cap is used
Silicone rubber pad is sealed, and the design pressure of GVU shielded boxes 21 and its inner components is all higher than being equal to 1.5 times of operating pressures.GVU
The internal pressure transmitter 210 of shielded box 21 is anti-explosion pressure transmitter, will not trigger guarantee risk because spark is produced, press
Power transmitter 13 is arranged between the pneumatic operated valve 7 of combustion gas cleaner 6 and first.The overall volume of GVU shielded boxes 1 is less than 2m3.GVU fires
Gas leakage sensor is arranged on Distance Ventilation mouthful flange about 100mm~150mm position, is just being the to internal gas inlet pipe
The surface of one tracheae 291, sensor probe is installed downwards.When internal combustion gas is leaked, alarm can be produced,
And sending signal makes pneumatic valve control unit, VCU control interlock valve produce corresponding safeguard measure.
In the present embodiment, 3 position-5 way magnetic valve is provided with pneumatic valve control unit, VCU to be controlled pneumatic operated valve.Gas
Hand control valve is additionally provided between fluid fuel air inlet 22 and gaseous fuel air accumulator.Gaseous fuel air accumulator is arranged at cabin
Outside, during maintenance, hand control valve can be first closed, then GVU and engine are repaired.
As shown in figure 4, integrated mixer 3 includes fuel gas inlet 31, the upper gas rail 32 being connected with fuel gas inlet 31, upper end
At least one nozzle 33 for being connected with upper gas rail 32, the lower gas rail 34 being connected with the lower end of nozzle 33, be connected with lower gas rail 34 it is mixed
Unit 35 is closed, upper gas rail 32, nozzle 33 and lower gas rail 34 are arranged in integrated mixer shielded box 37.Mixed cell 35 includes
There is the opposite side for being arranged at the air inlet 351 of the side of mixed cell 35, being arranged at 35 upper air inlet of mixed cell 351 place side
Mixer outlet 352, the mixer core 353 being arranged in mixed cell 35, mixed cell 35 are arranged in integrated mixer
The lower end of shielded box 37.
As shown in figure 5, GVU devices 2 and integrated mixer 3 are connected by Double layer pipeline 9, the inner tube of Double layer pipeline 9
Road is fuel gas pipeline and is connected respectively with the first tracheae 291 and fuel gas inlet 31 that the outer layer pipeline of Double layer pipeline 9 is air hose
Road and it is connected respectively with gaseous fuel gas outlet 23 and integrated mixer shielded box 37 by flange.
In the present embodiment, integrated mixer 3 has been additionally provided with injection metering valve and has been connected with control unit of engine.Spray
Penetrate metering valve to be arranged on the upper gas rail 32 at fuel gas inlet 1, the jet total amount to each nozzle 33 in engine working process is entered
Row monitoring in real time, and control unit of engine is sent signal to, control is each in real time by sending signal for control unit of engine
The jet amount of nozzle 3.In addition, nozzle 33 can also be one or two or four or five.
In the present embodiment, the combustion gas that each nozzle 33 sprays is directly entered mixer core 353 with passing through by lower gas rail 34
The air that air inlet 351 enters is mixed in mixer core 353, and mixed gas is entered by mixer outlet 352
The air inlet pipe of engine.Wherein, if mixer core 353 is made up of dry plate paddle.
In the present embodiment, the inside of integrated mixer shielded box air inlet 371 uses Smoking regime.Integrated mixer
Shielded box air inlet 371 is connected to outside cabin by air pipe line, and the outer air of cabin passes through integrated mixer shielded box air intake
Mouth 371 enters integrated mixer shielded box 37, and then flowing out integrated form by integrated mixer shielded box air outlet 372 mixes
Clutch shielded box 37 and the outer layer pipeline inflow GVU devices shielded box 21 for passing through Double layer pipeline 9.When a certain junction in casing
During generation gas leakage, combustion gas can be taken away outside cabin by Double layer pipeline outer layer channel, can prevent gas leakage from arriving
Engine room inside, triggers potential dangerous.Integrated mixer shielded box air outlet 372 is connected to outside cabin by air pipe line.
The workflow of the present embodiment：Before engine is started, nitrogen is passed through into the Gas Pipe of GVU devices 2 by GVU devices
Remaining combustion gas in 2 Gas Pipes is drained, and nitrogen does not enter integrated mixer 3；When having started to start, stopping is passed through nitrogen,
Combustion gas is passed through into Gas Pipe to GVU devices 2 again, combustion gas enters integrated mixer 3, while air passes through the He of gas handling system 1
Turbo charger unit 6 is mixed into integrated mixer 3 with combustion gas, and air mixture enters engine unit by spark arrester
4.The outer air of cabin enters integrated mixer shielded box 37 by integrated mixer shielded box air inlet 371, then passes through
Integrated mixer shielded box air outlet 372 flows out integrated mixer shielded box 37 and passes through the outer tube of Double layer pipeline 9
Road flows into GVU devices shielded box 21, and air is to enter GVU devices shielded box 21 by gaseous fuel gas outlet 23 and pass through gas
Fuel air mouthful 22 is excluded to outside cabin, forms exhausting loop, if when generation gas leakage, the combustion that will leak out in time in casing
Gas is excluded.
Service efficiency and security can be effectively improved by the present invention.
It the above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, do not taking off
On the premise of from structure of the present invention, several modifications and improvements can also be made, these effects implemented all without the influence present invention
And practical applicability.
Claims (10)
1. a kind of gas engine peculiar to vessel, including gas handling system (1), engine unit (4), control unit of engine (7), it is special
Levy and be：Also include integrated mixer (3), GVU devices (2), the control unit of engine being arranged on engine unit (4)
(5) and turbo charger unit (6), the gas handling system (1) passes sequentially through turbo charger unit (6) and integrated mixer (3)
Be connected with engine unit (4), the GVU devices (2) are connected with integrated mixer (3), the turbo charger unit (6) with
Engine unit (4) is connected.
2. a kind of gas engine peculiar to vessel according to claim 1, it is characterised in that：The GVU devices (2) include GVU
Shielded box (21), the first tracheae (291), the second tracheae (292), the gaseous fuel air inlet being arranged on GVU shielded boxes (21)
(22), gaseous fuel gas outlet (23) and scavenging gas outlet (24), are arranged at pressure regulator (25) in GVU shielded boxes (21), combustion
Air cleaner (26), the first pneumatic operated valve (27) and the second pneumatic operated valve (28), the gaseous fuel air inlet (22) pass through the first gas
(291) are managed successively with pressure regulator (25), combustion gas cleaner (26), the first pneumatic operated valve (27) and gaseous fuel gas outlet (23) to connect
Connect, the scavenging gas outlet (4) is connected with the second pneumatic operated valve (8) and the first tracheae (291) successively by the second tracheae (292),
Second tracheae (292) and the first tracheae (291) tie point are between combustion gas cleaner (26) and the first pneumatic operated valve (27).
3. a kind of gas engine peculiar to vessel according to claim 2, it is characterised in that：The gaseous fuel air inlet (22)
Pressure transmitter (210) is provided between the first pneumatic operated valve (27) and the control list of pressure transmitter (213) and engine
GVU gas leakage sensors are additionally provided with member connection, the GVU shielded boxes (21) and GVU gas leakage sensors are with setting
It is placed in the pneumatic valve control unit, VCU connection of GVU shielded boxes (21) outside.
4. a kind of gas engine peculiar to vessel according to claim 1, it is characterised in that：Integrated mixer (3) bag
Include fuel gas inlet (31), at least one that the upper gas rail (32) being connected with fuel gas inlet (31), upper end are connected with upper gas rail (32)
Nozzle (33), the lower gas rail (34) being connected with nozzle (33) lower end, the mixed cell (35) being connected with lower gas rail (34), it is described on
Gas rail (32), nozzle (33) and lower gas rail (34) are arranged in integrated mixer shielded box (37).
5. a kind of gas engine peculiar to vessel according to claim 4, it is characterised in that：The mixed cell (35) includes
It is arranged at the air inlet (351) of mixed cell (35) side, is arranged at the phase of mixed cell (35) upper air inlet (351) place side
The mixer outlet (352) of offside, the mixer core (353) being arranged in mixed cell (35), the mixed cell (35) set
It is placed at integrated mixer shielded box (37) lower end.
6. a kind of gas engine peculiar to vessel according to claim 2 or 4, it is characterised in that：The GVU devices (2) and collection
Accepted way of doing sth blender (3) is connected by Double layer pipeline (9), and the internal layer pipeline of the Double layer pipeline (9) is fuel gas pipeline and difference
Be connected with the first tracheae (291) and fuel gas inlet (31), the outer layer pipeline of Double layer pipeline (9) for air pipe line and respectively with gas
Fluid fuel gas outlet (23) and integrated mixer shielded box (37) are connected by flange.
7. a kind of gas engine peculiar to vessel according to claim 5, it is characterised in that：The GVU devices (2) and integrated form
One gas leakage sensor, the gas leakage sensor and engine are set respectively at top 1m~1.5m of blender (3)
Control unit (7).
8. a kind of gas engine peculiar to vessel according to claim 1, it is characterised in that：The song of the engine unit (4)
Axle box sets explosion-proof valve and crankcase inerting interface, and the crankcase outlet connects a respirator, away from respirator gas outlet
The one crankcase gas security being connected with control unit of engine (7) is set at 50mm-100m and crankcase combustion gas is sensed
The probe of device is located on respirator center line.
9. a kind of gas engine peculiar to vessel according to claim 1, it is characterised in that：The control unit of engine (7)
It is provided with uninterrupted power source connection.
10. a kind of gas engine peculiar to vessel according to claim 1, it is characterised in that：The engine unit (4) and collection
Spark arrester, the engine unit (4) and the company of turbo charger unit (6) are provided with the connecting line of accepted way of doing sth blender (3)
Adapter is provided with explosion-proof valve on road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423839.XA CN107120185A (en) | 2017-06-07 | 2017-06-07 | Gas engine peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423839.XA CN107120185A (en) | 2017-06-07 | 2017-06-07 | Gas engine peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120185A true CN107120185A (en) | 2017-09-01 |
Family
ID=59730119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710423839.XA Pending CN107120185A (en) | 2017-06-07 | 2017-06-07 | Gas engine peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120185A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630258A (en) * | 2019-02-15 | 2019-04-16 | 广西玉柴机器股份有限公司 | Gas supply of dual-fuel engine system peculiar to vessel |
| CN110206640A (en) * | 2017-05-05 | 2019-09-06 | 澳大利亚赛特科有限公司 | Turbocharger assembly |
| CN111051674A (en) * | 2017-09-12 | 2020-04-21 | 瓦锡兰芬兰有限公司 | Gaseous fuel supply system and valve |
| CN111188702A (en) * | 2020-03-11 | 2020-05-22 | 广西玉柴机器股份有限公司 | Marine single-fuel natural gas engine GCU component |
| CN115370457A (en) * | 2022-08-30 | 2022-11-22 | 河南柴油机重工有限责任公司 | High-temperature exhaust explosion-proof valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115370457A (en) * | 2022-08-30 | 2022-11-22 | 河南柴油机重工有限责任公司 | High-temperature exhaust explosion-proof valve |
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Address after: 537000 Fourth Floor of Yuchai Industrial Park Business Building, Yulin City, Guangxi Zhuang Autonomous Region Applicant after: Guangxi Jiuyi Power Technology Co.,Ltd. Address before: 537000 No. 3 Danan Road, Yulin City, Guangxi Zhuang Autonomous Region Applicant before: GUANGXI JIUYI POWER TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170901 |