CN105736136A - Co-combustion system for diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship - Google Patents
Co-combustion system for diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship Download PDFInfo
- Publication number
- CN105736136A CN105736136A CN201410745006.1A CN201410745006A CN105736136A CN 105736136 A CN105736136 A CN 105736136A CN 201410745006 A CN201410745006 A CN 201410745006A CN 105736136 A CN105736136 A CN 105736136A
- Authority
- CN
- China
- Prior art keywords
- combustion system
- lng
- diesel
- electromotor
- hybrid power
- 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.)
- Pending
Links
Classifications
-
- 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
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides a co-combustion system for a diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship. The co-combustion system comprises an LNG storage tank, a vaporizer and engines which are sequentially connected. The co-combustion system for the diesel-LNG dual-fuel hybrid power ship is characterized in that the co-combustion system comprises the two engines; three switch valves are arranged on stainless steel pipelines which connect the vaporizer with the engines; a main switch valve is arranged at the end close to the vaporizer; the first switch valve is arranged at the end close to the first engine; the second switch valve is arranged at the end close to the second engine; each engine is internally provided with an electronic control unit; the co-combustion system further comprises a safety monitoring system controller which is connected with the electronic control units and a safety device; and the safety device comprises combustible gas detectors, a sound-light alarm device, a superfine dry powder fire-extinguishing device and an axial flow anti-explosion draught fan. According to the co-combustion system for the diesel-LNG dual-fuel hybrid power ship involved in the invention, energy conservation and environment protection are achieved, and the safe reliability and the power performance are high.
Description
Technical field
The present invention relates to ship domain, particularly relate to the mixed combustion system of a kind of diesel-LNG double fuel hybrid power boats and ships.
Background technology
In recent years, greatly develop energy-conserving and environment-protective industry in country, advance under the policy guide of low-carbon economy, exploitation diesel-LNG double fuel hybrid power boats and ships, as the new way advancing low-carbon economy development, to the green shipping of development, reducing emission of carbon dioxide, make low-carbon (LC) boats and ships and play a very important role.
LNG (LiquifiedNaturalGas) is the english abbreviation of liquefied natural gas, is a kind of colourless liquid, is mainly made up of methane.Can greatly saving storage and transportation space and cost after natural gas liquefaction, and have that calorific value is big, performance high, be more beneficial for long distance transportation, storage, the application mode making natural gas is more flexible, wider.
Diesel-LNG double fuel hybrid power boats and ships can use diesel-LNG double fuel or pure diesel oil both of which to run, the patent of invention of ZL201220028632.5 discloses one " marine diesel oil/natural gas mixes combustion system ", including the gas handling system being connected with engine body, air supply system, oil supply system and for controlling the electric-control system of engine body, described engine body is provided with speed probe；Described gas handling system includes the air filter of sequential communication, turbocharger and blender, and described blender connects with engine body, is provided with pressure transducer between described turbocharger and blender；Described air supply system includes the gas bomb, air relief valve and the gas injector that are linked in sequence by pipeline, and described gas injector is connected with engine body by blender；Described oil supply system includes the injection pump connected with engine body, and described injection pump is provided with throttle actuator；Described electric-control system is electronic control unit, and described electronic control unit electrically connects with electromagnetic valve, gas injector, control valve, speed probe, pressure transducer and throttle actuator respectively, and described electronic control unit electrically connects with oil-gas change-over switch.This patent of invention does not have safety monitoring system and corresponding safety device.
Summary of the invention
The present invention proposes the mixed combustion system of a kind of diesel-LNG double fuel hybrid power boats and ships, in order to reduces fuel cost, and makes this mixed combustion energy saving of system environmental protection, security reliability high.
nullTo achieve these goals，The present invention proposes the mixed combustion system of a kind of diesel-LNG double fuel hybrid power boats and ships，Including being sequentially connected the LNG air accumulator connect，Carburator and electromotor，Described mixed combustion system includes two electromotors，Connecting, the described carburator stainless steel pipes with electromotor arranges three switch valves，Wherein switch valve is set in the one end near described carburator，In the one end near the first electromotor, the first switch valve is set，In the one end near the second electromotor, second switch valve is set，Each electromotor is equipped with electronic control unit，Described mixed combustion system also includes safety monitoring system controller，Described safety monitoring system controller is connected with electronic control unit and safety device respectively，Wherein said safety device includes combustible gas probe、Acoustic-optic alarm、Ultrafine dry powder extinguishing installation and axial flow explosion-proof fan.
The program of the present invention have the beneficial effects that above-mentioned mixed combustion energy saving of system environmental protection, security reliability is high, and power performance is high.
Preferably, described LNG air accumulator is provided with gas tank pressure transducer, Pressure gauge and liquidometer.
Preferably, described mixed combustion system also includes display, and described display is connected with described safety monitoring system controller.
Preferably, described axial flow explosion-proof fan adopts chain working method with the double fuel mode of operation of electromotor.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of mixed combustion system involved in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
As shown in Figure 1, the mixed combustion system of diesel-LNG double fuel hybrid power boats and ships involved in the present invention includes the LNG air accumulator 1 being arranged within gas tank cabin, it is arranged at the gas tank pressure transducer 2 on described LNG air accumulator 1, Pressure gauge 3, liquidometer 4, the carburator 5 being connected with described LNG air accumulator 1, described carburator 5 is connected to electromotor by being provided with the stainless steel pipes 6 of switch valve 8, wherein said gas tank pressure transducer 2 is for measuring the pressure of LNG air accumulator 1, described Pressure gauge 3 shows the force value of LNG air accumulator 1, described liquidometer 4 is for detecting the liquid level of LNG；Mixed combustion system involved in the present invention also includes two electromotors being arranged at enging cabin, respectively the first electromotor A and the second electromotor B, described stainless steel pipes 6 is divided into two stainless steel pipes to be respectively connecting to above-mentioned two electromotor at enging cabin, and the first switch valve 11 is set on the stainless steel pipes 6 being connected to the first electromotor A, the stainless steel pipes 6 being connected to the second electromotor B arranges second switch valve 10, each electromotor is equipped with electronic control unit (ECU) 13, enging cabin is also provided with safety monitoring system controller 14, described safety monitoring system controller 14 is connected with the electronic control unit 13 in described electromotor, and also it is connected to the display 15 being arranged in driving cabin.Gas tank cabin is additionally provided with not shown with the combustible gas probe 12 of described safety monitoring system controller 14 electrical connection, acoustic-optic alarm 16 and ultrafine dry powder extinguishing installation 7(connecting line respectively)；Enging cabin is additionally provided with not shown with the combustible gas probe 12 of described safety monitoring system controller 14 electrical connection, acoustic-optic alarm 16, ultrafine dry powder extinguishing installation 7 and axial flow explosion-proof fan 9(connecting line respectively).
In concrete work process, when the engine starts, the rotating speed of described electronic control unit 13 perception electromotor and load, turned off the first switch valve 11 and second switch valve 10 afterwards by automatically controlled mode, make electromotor be operated in the mode of operation of pure diesel oil.When electromotor enters normal working condition, the rotating speed of described electronic control unit 13 perception electromotor and the change of load, the first switch valve 11 and/or second switch valve 10 can be opened by automatically controlled mode afterwards, make LNG also become the fuel of electromotor.When engine idle runs, the rotating speed of described electronic control unit 13 perception electromotor and load, the first switch valve 11 and second switch valve 10 can be turned off by automatically controlled mode afterwards, make electromotor be operated in the mode of operation of pure diesel oil.
The concentration value of the fuel gas that described safety monitoring system controller 14 real-time reception detects from combustible gas probe 12, when this concentration value reach natural gas fire a little 20% time, described safety monitoring system controller 14 can trigger acoustic-optic alarm 16 and report to the police, and trigger axial flow explosion-proof fan 9 carry out force exhaust ventilation；When this concentration value reach natural gas fire a little 40% time, then described safety monitoring system controller 14 can cut off switch valve the 8, first switch valve 11 and second switch valve 10.When described safety monitoring system controller 14 detects the temperature of system more than 170 ° of C, ultrafine dry powder extinguishing installation 7 can be triggered and spray ultra-fine dry powder.
Dual fuel mode and the axial flow explosion-proof fan 9 of the electromotor in mixed combustion system involved in the present invention adopt the chain method of operation, say, that after described axial flow explosion-proof fan 9 opens at least 10 minutes, electromotor can run with dual fuel mode；When described axial flow explosion-proof fan 9 is closed for some reason, electromotor will be automatically converted to the mode of operation of pure diesel oil.
The mixed combustion system of diesel-LNG double fuel hybrid power boats and ships involved in the present invention has security reliability height, and power performance is good, both economically and environmentally beneficial advantage.
Claims (4)
- null1. the mixed combustion system of diesel-LNG double fuel hybrid power boats and ships，Including being sequentially connected the LNG air accumulator connect，Carburator and electromotor，It is characterized in that: described mixed combustion system includes two electromotors，Connecting, the described carburator stainless steel pipes with electromotor arranges three switch valves，Wherein switch valve is set in the one end near described carburator，In the one end near the first electromotor, the first switch valve is set，In the one end near the second electromotor, second switch valve is set，Each electromotor is equipped with electronic control unit，Described mixed combustion system also includes safety monitoring system controller，Described safety monitoring system controller is connected with electronic control unit and safety device respectively，Wherein said safety device includes combustible gas probe、Acoustic-optic alarm、Ultrafine dry powder extinguishing installation and axial flow explosion-proof fan.
- 2. the mixed combustion system of diesel-LNG double fuel hybrid power boats and ships according to claim 1, it is characterised in that: described LNG air accumulator is provided with gas tank pressure transducer, Pressure gauge and liquidometer.
- 3. the mixed combustion system of diesel-LNG double fuel hybrid power boats and ships according to claim 1, it is characterised in that: described mixed combustion system also includes display, and described display is connected with described safety monitoring system controller.
- 4. the mixed combustion system of diesel-LNG double fuel hybrid power boats and ships according to claim 1, it is characterised in that: the double fuel mode of operation of described axial flow explosion-proof fan and electromotor adopts chain working method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410745006.1A CN105736136A (en) | 2014-12-09 | 2014-12-09 | Co-combustion system for diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410745006.1A CN105736136A (en) | 2014-12-09 | 2014-12-09 | Co-combustion system for diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736136A true CN105736136A (en) | 2016-07-06 |
Family
ID=56237879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410745006.1A Pending CN105736136A (en) | 2014-12-09 | 2014-12-09 | Co-combustion system for diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736136A (en) |
-
2014
- 2014-12-09 CN CN201410745006.1A patent/CN105736136A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103422998B (en) | Direct injected gas electromotor and method | |
| CN201865777U (en) | Electric control system of dual-fuel engine of liquefied natural gas or diesel ship | |
| CN202252834U (en) | Wharf boat LNG (liquefied natural gas) filling station | |
| CN105723073A (en) | Pilot-fuel-utilizing vessel engine system and vessel | |
| CN103375286A (en) | Adaptive gas fuel control system | |
| CN202431377U (en) | Diesel oil/natural gas double-fuel supply system | |
| CN204399450U (en) | A kind of hybrid power fishery mangement and enforcement of the law ship | |
| CN104100389B (en) | The fuel transmission & distribution seal modules safe delivery system of double fuel power fishery vessel | |
| CN110182349A (en) | A kind of dynamical system of double fuel Powered Propulsion freighter | |
| CN201953512U (en) | Liquefied natural gas supply device used for loading machine | |
| CN201865778U (en) | Electric control system of dual-fuel engine of diesel oil/liquefied petroleum gas ship | |
| CN203214180U (en) | Compressed natural gas-diesel dual-fuel engine formed by refitting marine diesel engine | |
| CN204436601U (en) | A kind of double fuel mixed combustion device of boats and ships | |
| CN202023631U (en) | Gas/diesel dual-fuel ship | |
| CN105736136A (en) | Co-combustion system for diesel-liquefied natural gas (LNG) dual-fuel hybrid power ship | |
| CN204126742U (en) | A kind of combustion gas double fuel electric controller with gas leakage warning function | |
| CN206107532U (en) | Natural gas transmission system of LNG power driving vessel | |
| CN202867006U (en) | Compressed natural gas (CNG) dual-fuel automobile fuel gas system | |
| CN206035641U (en) | New forms of energy hybrid engine | |
| CN203822475U (en) | Dual-fuel electrical control system device of diesel engine | |
| CN103615314A (en) | Storage, controlling, monitoring, preventing, tracing, recycling and reusing system for fishery vessel adopting gas fuel | |
| CN105730665A (en) | Hybrid fishery administration law enforcement boat | |
| CN202673482U (en) | Novel internal combustion engine liquefied natural gas (LNG)/ diesel hybrid power device | |
| CN110296003B (en) | Cargo ship dual-fuel engine control system | |
| CN206111336U (en) | Single fuel vehicle's of natural gas dual -purpose fuel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160706 |