CN204436601U - A kind of double fuel mixed combustion device of boats and ships - Google Patents
A kind of double fuel mixed combustion device of boats and ships Download PDFInfo
- Publication number
- CN204436601U CN204436601U CN201420767871.1U CN201420767871U CN204436601U CN 204436601 U CN204436601 U CN 204436601U CN 201420767871 U CN201420767871 U CN 201420767871U CN 204436601 U CN204436601 U CN 204436601U
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- China
- Prior art keywords
- motor
- mixed combustion
- boats
- switch valve
- double fuel
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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
-
- 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
- Y02T10/40—Engine management systems
Abstract
The utility model proposes a kind of double fuel mixed combustion device of boats and ships, comprise the LNG gas holder be connected successively, vaporizer and motor, it is characterized in that: described mixed combustion system comprises two motors, the stainless steel pipeline connecting described vaporizer and motor arranges three switch valves, wherein switch valve is set in the one end near described vaporizer, in the one end near the first motor, the first switch valve is set, in the one end near the second motor, second switch valve is set, electronic control unit is equipped with in each motor, described mixed combustion system also comprises safety monitoring system controller, described safety monitoring system controller is connected with electronic control unit and safety installations respectively, wherein said safety installations comprises combustible gas detector, acoustic-optic alarm, ultrafine dry powder extinguishing installation and axial flow explosion-proof fan.Mixed combustion energy saving of system environmental protection involved by the utility model, safety reliability is high, and power performance is high.
Description
Technical field
The utility model relates to ship domain, particularly relates to a kind of double fuel mixed combustion device of boats and ships.
Background technique
In recent years, energy-conserving and environment-protective industry is greatly developed in country, under advancing the policy guide of low-carbon economy, exploitation diesel-LNG double fuel mixed 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 (Liquified Natural Gas) is the english abbreviation of LNG Liquefied natural gas, is a kind of colourless liquid, forms primarily of methane.Storage and transportation space and cost can be saved greatly after natural gas liquefaction, and have that calorific value is large, performance high, more be conducive to long distance transportation, storage, make the application mode of rock gas more flexible, wider.
Diesel-LNG double fuel mixed power boats and ships can use diesel-LNG double fuel or pure diesel oil two kinds of mode operations, the utility model patent of ZL201220028632.5 discloses one " marine diesel oil/rock gas mixes combustion system ", comprise the gas handling system, air supply system, oil supply system and the automatical control system for controlling engine body that are connected with engine body, described engine body is provided with speed probe; Described gas handling system comprises the air-strainer of sequential communication, turbosupercharger and mixer, and described mixer is communicated with engine body, is provided with pressure transducer between described turbosupercharger and mixer; Described air supply system comprises the air cylinder, reduction valve and the gas injector that are linked in sequence by pipeline, and described gas injector is communicated with engine body by mixer; Described oil supply system comprises the Injection Pump be communicated with engine body, and described Injection Pump is provided with throttle actuator; Described automatical control system is electronic control unit, and described electronic control unit is electrically connected with solenoid valve, gas injector, control valve, speed probe, pressure transducer and throttle actuator respectively, and described electronic control unit is electrically connected with oil-gas change-over switch.This utility model patent does not have safety monitoring system and corresponding safety installations.
Summary of the invention
The utility model proposes a kind of double fuel mixed combustion device of boats and ships, to reduce fuel cost, and make this mixed combustion energy saving of system environmental protection, safety reliability high.
To achieve these goals, the utility model proposes a kind of double fuel mixed combustion device of boats and ships, comprise the LNG gas holder be connected successively, vaporizer and motor, described mixed combustion system comprises two motors, the stainless steel pipeline connecting described vaporizer and motor arranges three switch valves, wherein switch valve is set in the one end near described vaporizer, in the one end near the first motor, the first switch valve is set, in the one end near the second motor, second switch valve is set, electronic control unit is equipped with in each motor, described mixed combustion system also comprises safety monitoring system controller, described safety monitoring system controller is connected with electronic control unit and safety installations respectively, wherein said safety installations comprises combustible gas detector, acoustic-optic alarm, ultrafine dry powder extinguishing installation and axial flow explosion-proof fan.
The beneficial effect of the program of the present utility model is the environmental protection of above-mentioned mixed combustion energy saving of system, and safety reliability is high, and power performance is high.
Preferably, described LNG gas holder is provided with gas tank pressure transducer, pressure gauge and level meter.
Preferably, described mixed combustion system also comprises display device, and described display device is connected with described safety monitoring system controller.
Preferably, the double fuel mode of operation of described axial flow explosion-proof fan and motor adopts chain working method.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of the mixed combustion system involved by the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As shown in Figure 1, the double fuel of a kind of boats and ships involved by the utility model mixes combustion device and comprises the LNG gas holder 1 being arranged at inside, gas tank cabin, be arranged at the gas tank pressure transducer 2 on described LNG gas holder 1, pressure gauge 3, level meter 4, the vaporizer 5 be connected with described LNG gas holder 1, described vaporizer 5 is connected to motor by the stainless steel pipeline 6 being provided with switch valve 8, wherein said gas tank pressure transducer 2 is for measuring the pressure of LNG gas holder 1, described pressure gauge 3 shows the force value of LNG gas holder 1, and described level meter 4 is for detecting the liquid level of LNG, mixed combustion system involved by the utility model also comprises two motors being arranged at engine compartment, be respectively the first motor A and the second motor B, described stainless steel pipeline 6 is divided into two stainless steel pipeline to be connected to above-mentioned two motors respectively at engine compartment, and the first switch valve 11 is set on the stainless steel pipeline 6 being connected to the first motor A, the stainless steel pipeline 6 being connected to the second motor B arranges second switch valve 10, electronic control unit (ECU) 13 is equipped with in each motor, safety monitoring system controller 14 is also provided with in engine compartment, described safety monitoring system controller 14 is connected with the electronic control unit 13 in described motor, and be connected to the display device 15 be arranged in cockpit.The combustible gas detector 12, acoustic-optic alarm 16 and the ultrafine dry powder extinguishing installation 7(connecting line that are electrically connected with described safety monitoring system controller 14 respectively is also provided with not shown) in gas tank cabin; The combustible gas detector 12, acoustic-optic alarm 16, ultrafine dry powder extinguishing installation 7 and the axial flow explosion-proof fan 9(connecting line that are electrically connected with described safety monitoring system controller 14 respectively is also provided with not shown) in engine compartment.
In concrete working procedure, when the engine starts, the rotating speed of described electronic control unit 13 perception motor and load, turn off the first switch valve 11 and second switch valve 10 by automatically controlled mode afterwards, make engine operation in the mode of operation of pure diesel oil.When motor enters normal working condition, the described rotating speed of electronic control unit 13 perception motor and the change of load, can be opened the first switch valve 11 and/or second switch valve 10 afterwards, make LNG also become the fuel of motor by automatically controlled mode.When engine idle runs, the rotating speed of described electronic control unit 13 perception motor and load, can be turned off the first switch valve 11 and second switch valve 10 afterwards, make engine operation in the mode of operation of pure diesel oil by automatically controlled mode.
The concentration value of the inflammable gas that described safety monitoring system controller 14 real-time reception detects from combustible gas detector 12, when this concentration value reach rock gas fire a little 20% time, described safety monitoring system controller 14 can trigger acoustic-optic alarm 16 and report to the police, and triggers axial flow explosion-proof fan 9 and carry out pressure exhaust ventilation; When this concentration value reach rock gas fire a little 40% time, then described safety monitoring system controller 14 can cut off switch valve 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 motor in the mixed combustion system involved by the utility model adopt the chain method of operation, and that is, after described axial flow explosion-proof fan 9 opens at least 10 minutes, motor can run with dual fuel mode; When described axial flow explosion-proof fan 9 is closed for some reason, motor will be automatically converted to the mode of operation of pure diesel oil.
It is high that the mixed combustion system of the diesel-LNG double fuel mixed power boats and ships involved by the utility model has safety reliability, and power performance is good, not only economy but also the advantage of environmental protection.
Claims (4)
1. the double fuel mixed combustion device of boats and ships, comprise the LNG gas holder be connected successively, vaporizer and motor, it is characterized in that: mixed combustion system comprises two motors, the stainless steel pipeline connecting described vaporizer and motor arranges three switch valves, wherein switch valve is set in the one end near described vaporizer, in the one end near the first motor, the first switch valve is set, in the one end near the second motor, second switch valve is set, electronic control unit is equipped with in each motor, mixed combustion system also comprises safety monitoring system controller, described safety monitoring system controller is connected with electronic control unit and safety installations respectively, wherein said safety installations comprises combustible gas detector, acoustic-optic alarm, ultrafine dry powder extinguishing installation and axial flow explosion-proof fan.
2. the double fuel mixed combustion device of a kind of boats and ships according to claim 1, is characterized in that: described LNG gas holder is provided with gas tank pressure transducer, pressure gauge and level meter.
3. the double fuel mixed combustion device of a kind of boats and ships according to claim 1, is characterized in that: described mixed combustion system also comprises display device, and described display device is connected with described safety monitoring system controller.
4. the double fuel mixed combustion device of a kind of boats and ships according to claim 1, is characterized in that: the double fuel mode of operation of described axial flow explosion-proof fan and motor adopts chain working method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420767871.1U CN204436601U (en) | 2014-12-09 | 2014-12-09 | A kind of double fuel mixed combustion device of boats and ships |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420767871.1U CN204436601U (en) | 2014-12-09 | 2014-12-09 | A kind of double fuel mixed combustion device of boats and ships |
Publications (1)
Publication Number | Publication Date |
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CN204436601U true CN204436601U (en) | 2015-07-01 |
Family
ID=53604476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420767871.1U Expired - Fee Related CN204436601U (en) | 2014-12-09 | 2014-12-09 | A kind of double fuel mixed combustion device of boats and ships |
Country Status (1)
Country | Link |
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CN (1) | CN204436601U (en) |
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2014
- 2014-12-09 CN CN201420767871.1U patent/CN204436601U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20151209 |
|
EXPY | Termination of patent right or utility model |