CN104456554B - Laser ignition fuel liquid combustion machine - Google Patents
Laser ignition fuel liquid combustion machine Download PDFInfo
- Publication number
- CN104456554B CN104456554B CN201410626942.0A CN201410626942A CN104456554B CN 104456554 B CN104456554 B CN 104456554B CN 201410626942 A CN201410626942 A CN 201410626942A CN 104456554 B CN104456554 B CN 104456554B
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- China
- Prior art keywords
- laser
- ignition
- combustor
- atomizer
- air
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 39
- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 230000003287 optical Effects 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 241000168254 Siro Species 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000001808 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 3
- 230000003628 erosive Effects 0.000 abstract description 2
- 239000003595 mist Substances 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008240 homogeneous mixture Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drugs Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001902 propagating Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The invention provides a kind of laser ignition fuel liquid combustion machine, it includes body, combustor, combustion head, air-supply arrangement, fuel supply system and laser-ignition unit.Described fuel supply system includes oil scavenge pump, injection pump and atomizer；Described laser-ignition unit includes Nd:YAG solid state laser, laser power supply, laser controller, condenser lens, fiber coupler, optical fibers, optical window and Laser Igniter.It provides the benefit that: owing to present invention employs laser-ignition unit, and compared with traditional dynamo-electric ignition machine, this laser ignition fuel liquid combustion machine, without electrode, does not the most exist electrode erosion problem；Additionally its capacity of resisting disturbance is strong, it is to avoid the interference of the signal of telecommunication such as electromagnetic wave, electrostatic；In addition its safety and reliability, the effective control point fire intensity of energy and time of ignition, thus it is easily achieved automatically controlled.
Description
Technical field
The present invention relates to a kind of laser ignition fuel liquid combustion machine.
Background technology
Laser ignition is a comprehensive laser application new and high technology, is widely used to every field at present.Laser
Device output pulse laser energy, laser beam makes laser energy be greatly improved through condenser lens, and hereafter laser beam is through optical fibers
And propagating to Laser Igniter through optical window, superlaser makes energetic material primer temperature quickly raise thus ignites fried
Medicine, thus realize igniting.Combustor on domestic market the most all uses traditional electro-mechanical to light a fire, but its safety and can
Not enough by property, poor anti jamming capability, wayward time of ignition, and easily ablation electrode.Use laser ignition then can have
Effect solves the problems referred to above, and laser ignition fuel liquid combustion machine is to apply under this technical background and give birth to.
Summary of the invention
The present invention be directed to the deficiency of traditional electro-mechanical ignition machine, and provide a kind of safe and reliable, capacity of resisting disturbance is strong
And it is easily achieved automatically controlled laser ignition fuel liquid combustion machine.
For realizing the purpose of the present invention, intend by the following technical solutions:
Laser ignition fuel liquid combustion machine, including body, combustor, combustion head, air-supply arrangement, fuel supply system and
Laser-ignition unit, described combustor is fixed on the front end of body, combustion head be located on the right side of combustor and with burning
Room compact siro spinning technology, air-supply arrangement is fixed on body by support, and the outlet conduit of air-supply arrangement is connected to combustor bottom surface also
Communicating with combustor, fuel supply system and laser-ignition unit are arranged on body；
Described fuel supply system includes oil scavenge pump, injection pump and atomizer, passes through between injection pump and atomizer
Spray bar connects, and injection pump is by liquid fuel pressurization and forms spraying after atomizer sprays, and described atomizer is arranged on
The exit of the outlet conduit of air-supply arrangement；
Laser power supply that described laser-ignition unit includes being sequentially connected with, Nd:YAG solid state laser, condenser lens, light
Fine bonder, optical fibers, optical window and Laser Igniter, Nd:YAG solid state laser connects makes laser instrument export pulse
The laser controller of laser energy, optical window embeds bottom of combustion chamber, and closely coupled with Laser Igniter, Laser Igniter
Arrange in stretching into combustor and near atomizer；The laser beam of Nd:YAG solid state laser output makes to swash through condenser lens
Light energy is greatly improved, and hereafter laser beam propagates to Laser Igniter through optical fibers and through optical window, and superlaser makes
The energetic material primer temperature being positioned at Laser Igniter quickly raises thus realizes igniting.
Further, the outlet conduit of described air-supply arrangement is horizontally disposed, and its axis overlaps with the centrage of combustor, described
This outlet conduit is just arranged by combustion head.
Further, described spray bar penetrate the outlet conduit of air-supply arrangement then with the mist being arranged in outlet conduit exit
Changing nozzle to be connected, atomizer is fixed by two fixing pins.
Further, the Laser Igniter of described laser-ignition unit is positioned at the underface of atomizer.
Further, the inwall of described combustor is cambered surface.So it is effectively reduced the flow resistance of air inlet.
Further, described body front end is provided with arc groove, and outer peripheral face is that the combustor of arc is fixed on this arc groove
Place.
The invention has the beneficial effects as follows: first, this combustor avoids usual electrode ignition device and have employed laser
Igniter.Combustor the most on the market is nearly all the mode using electrode ignition, and this sparking mode has certain lacking
Fall into: such as electrode can produce carbon deposition phenomenon and carbon distribution not easy-clear after for a long time；May short circuit and needing often between electrode
Adjust electrode gap；Electrode often can produce ablation phenomen under action of high voltage；Electrode ignition easy electromagnetic wave, electrostatic signal
Interference.These shortcomings greatly reduce the anti-interference of traditional combustion machine igniting, safety and reliability, and this laser ignition
Fuel liquid combustion machine then can be prevented effectively from these shortcomings, be possible not only to realize safe and reliable igniting but also can be effective
Control point fire intensity and time of ignition.Secondly, atomizer is arranged in the exit of air-supply arrangement outlet conduit, this layout side
The pulverized fuel that formula can make powerful air-flow spray with atomizer mixes rapidly so that it is ignitable all that combustor is full of appearance
Even gaseous mixture.Again, the Laser Igniter of laser-ignition unit near atomizer the underface that is arranged in atomizer, this
Sample arranges that the airflow of the outlet conduit being possible to prevent air-supply arrangement extinguishes ignition flame, thus is easier to realize igniting, keeps away
Exempt from the phenomenon that repeatedly lighting a fire occurs in combustor.Finally, combustion head is just arranged by the outlet conduit of air-supply arrangement, is arranged so as to permissible
Make mixed airflow more aggressive blow to combustion head, so that combustion flame is more concentrated fiercely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Figure is numbered: 1, body；2, combustor；3, air-supply arrangement；4, laser power supply；5, laser controller；
6, Nd:YAG solid state laser；7, condenser lens；8, fiber coupler；9, optical fibers；10, optical window；11, swash
Light lighter；12, energetic material primer；13, oil scavenge pump；14, injection pump；15, atomizer；16, combustion head；17、
Outlet conduit.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment further illustrates technical scheme, but be not the limit to the present invention
Fixed.
As it is shown in figure 1, embodiment of the present invention laser ignition fuel liquid combustion machine, including body 1, body 1 front end is provided with
Arc groove, outer peripheral face is that the combustor 2 of arc is fixed at this arc groove, and the right side of combustor 2 is equipped with burning
16, in combustion head 16 part stretches into combustor and with combustor 2 compact siro spinning technology, described body 1 is additionally provided with air-supply arrangement
3, fuel supply system and laser-ignition unit, air-supply arrangement 3 is supported by support and is fixed on body 1 by support, air-supply
The outlet conduit 17 of device 3 is connected to combustor 2 bottom surface and communicates with combustor 2.
Described fuel supply system includes oil scavenge pump 13, injection pump 14 and atomizer 15, injection pump 14 and atomizer
Being connected by spray bar between 15, injection pump 14 is by liquid fuel pressurization and forms spraying after atomizer 15 sprays.Described
Atomizer 15 is arranged on the exit of the outlet conduit 17 of air-supply arrangement, and this arrangement can make powerful air-flow and mist
The pulverized fuel changing nozzle ejection mixes rapidly so that combustor is full of and holds ignitable homogeneous mixture.In the present embodiment, institute
State spray bar penetrate the outlet conduit 17 of air-supply arrangement 3 then with atomizer 15 phase being arranged in outlet conduit 17 exit
Even, atomizer 15 is fixed by two fixing pins.
Laser power supply 4 that described laser-ignition unit includes being sequentially connected with, Nd:YAG solid state laser 6, condenser lens
7, fiber coupler 8, optical fibers 9, optical window 10 and Laser Igniter 11, Nd:YAG solid state laser 6 connects to be made to swash
Light device output pulse laser can laser controller 5, optical window 10 embeds bottom combustor 2, and with Laser Igniter 11
Closely coupled, arrange in Laser Igniter 11 stretches into combustor 2 and near atomizer 15；Nd:YAG solid state laser 6 exports
Laser beam laser energy is greatly improved through condenser lens 7, hereafter laser beam through optical fibers 9 and passes through optical window
10 propagate to Laser Igniter 11, and superlaser makes the energetic material primer temperature being positioned at Laser Igniter 11 quickly raise
Thus realize igniting.
In the present embodiment, the outlet conduit 17 of described air-supply arrangement is horizontally disposed, its axis and the centrage weight of combustor 2
Close.The outlet conduit 17 of air-supply arrangement 3 is just arranged by described combustion head 16, is arranged so as to make more aggressive the blowing of mixed airflow
To combustion head 16, so that combustion flame is more concentrated fiercely.
Described Laser Igniter 11 is positioned at the underface of atomizer 15, is arranged so as to be possible to prevent going out of air-supply arrangement 3
The airflow of mouth pipeline 17 extinguishes ignition flame, thus is easier to realize igniting, it is to avoid what combustor appearance was repeatedly lighted a fire shows
As.
The inwall of described combustor 2 is cambered surface, is so effectively reduced the flow resistance of air inlet.
Laser ignition fuel liquid combustion machine of the present invention have employed laser-ignition unit, air-supply arrangement, fuel supply system,
Fuel supply system provides mist state fuel, and laser-ignition unit is by igniting energetic material primer so that combustor equal
Even mixture combustion, homogeneous mixture is blowed to combustion head by air-supply arrangement so that combustion head burns.
Laser ignition fuel liquid combustion machine of the present invention avoids usual electrode ignition device and have employed laser ignition
Device.Owing to present invention employs laser-ignition unit, compared with traditional dynamo-electric ignition machine, this laser ignition liquid fires
Without electrode, the most there is not electrode erosion problem in material combustor；Additionally its capacity of resisting disturbance is strong, it is to avoid electromagnetic wave, quiet
The interference of the signals of telecommunication such as electricity；In addition its safety and reliability, the effective control point fire intensity of energy and time of ignition, thus be easily achieved
Automatically controlled.
Particular embodiments described above is only that the technology to the present invention conceives explanation for example.It should be pointed out that, not
In the case of departing from method of the present invention, described specific embodiment can be made corresponding amendment and retouching by person skilled, but
The frame mode similar to this technology and embodiment all belong to the scope that claims are protected.
Claims (6)
1. laser ignition fuel liquid combustion machine, it is characterised in that: include body, combustor, combustion head, air-supply arrangement, fuel
Feedway and laser-ignition unit, described combustor is fixed on the front end of body, and combustion head is located in the right side of combustor
Upper and with combustor compact siro spinning technology, air-supply arrangement is fixed on body by support, and the outlet conduit of air-supply arrangement is connected to fire
Burning bottom surface, room and communicate with combustor, fuel supply system and laser-ignition unit are arranged on body；
Described fuel supply system includes oil scavenge pump, injection pump and atomizer, passes through oil spout between injection pump and atomizer
Pipe connects, and injection pump is by liquid fuel pressurization and forms spraying after atomizer sprays, and described atomizer is arranged on air-supply
The exit of the outlet conduit of device；
Laser power supply that described laser-ignition unit includes being sequentially connected with, Nd:YAG solid state laser, condenser lens, optical fiber coupling
Clutch, optical fibers, optical window and Laser Igniter, Nd:YAG solid state laser connects makes laser instrument export pulse laser
The laser controller of energy, optical window embeds bottom of combustion chamber, and closely coupled with Laser Igniter, and Laser Igniter stretches into
Arrange in combustor and near atomizer；The laser beam of Nd:YAG solid state laser output makes laser energy through condenser lens
Amount is greatly improved, and hereafter laser beam propagates to Laser Igniter through optical fibers and through optical window, and superlaser makes to be positioned at
Energetic material primer temperature in Laser Igniter quickly raises thus realizes igniting.
2. laser ignition fuel liquid combustion machine as claimed in claim 1, it is characterised in that: the outlet of described air-supply arrangement
Road is horizontally disposed, and its axis overlaps with the centrage of combustor, and this outlet conduit is just arranged by described combustion head.
3. laser ignition fuel liquid combustion machine as claimed in claim 1 or 2, it is characterised in that: described spray bar penetrates and send
Then the outlet conduit of wind apparatus is connected with the atomizer being arranged in outlet conduit exit, and atomizer is by two fixing pins
Fixing.
4. laser ignition fuel liquid combustion machine as claimed in claim 3, it is characterised in that: swashing of described laser-ignition unit
Light lighter is positioned at the underface of atomizer.
5. laser ignition fuel liquid combustion machine as claimed in claim 4, it is characterised in that: the inwall of described combustor is arc
Face.
6. laser ignition fuel liquid combustion machine as claimed in claim 5, it is characterised in that: described body front end is provided with arc
Groove, outer peripheral face is that the combustor of arc is fixed at this arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626942.0A CN104456554B (en) | 2014-11-10 | Laser ignition fuel liquid combustion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626942.0A CN104456554B (en) | 2014-11-10 | Laser ignition fuel liquid combustion machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456554A CN104456554A (en) | 2015-03-25 |
| CN104456554B true CN104456554B (en) | 2017-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20181110 |