CN101463764B - Gas Turbine High Energy Plasma Igniter - Google Patents
Gas Turbine High Energy Plasma Igniter Download PDFInfo
- Publication number
- CN101463764B CN101463764B CN2009100712397A CN200910071239A CN101463764B CN 101463764 B CN101463764 B CN 101463764B CN 2009100712397 A CN2009100712397 A CN 2009100712397A CN 200910071239 A CN200910071239 A CN 200910071239A CN 101463764 B CN101463764 B CN 101463764B
- Authority
- CN
- China
- Prior art keywords
- ignition
- cathode
- gas turbine
- plasma
- plasma generator
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000000295 fuel oil Substances 0.000 claims abstract description 8
- 239000012212 insulator Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims abstract description 6
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000010355 oscillation Effects 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Landscapes
- Plasma Technology (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
本发明提供的是一种燃气轮机高能等离子点火器。包括点火激励器和配套的等离子发生器；点火激励器的构成包括控制继电器、变压隔离电路、振荡脉冲电路、维弧续流模块以及高压变压器；等离子发生器的构成包括安装座、中轴、绝缘体、阴极、阳极；本发明可以实现在给定的等离子点火能量下，提高了点火效能，同时电极得到了充分的冷却，延长了电极的使用寿命。反之，由于冷却效果的提高，可以加大等离子点火能量，使得可以在更恶劣的条件下点燃如重油等劣质燃料。同时，安装座只需调整螺丝孔位置就可以直接替代原有点火器，由此可见，本发明具有诸多优点，并且更加适于实用。
The invention provides a gas turbine high-energy plasma igniter. Including the ignition exciter and the supporting plasma generator; the composition of the ignition exciter includes control relay, transformer isolation circuit, oscillation pulse circuit, arc maintenance module and high-voltage transformer; Insulator, cathode, anode; the present invention can improve the ignition efficiency under a given plasma ignition energy, and at the same time, the electrodes are fully cooled, prolonging the service life of the electrodes. Conversely, due to the improvement of the cooling effect, the plasma ignition energy can be increased, so that inferior fuels such as heavy oil can be ignited under harsher conditions. At the same time, the mounting seat can directly replace the original igniter only by adjusting the position of the screw hole. It can be seen that the present invention has many advantages and is more suitable for practical use.
Description
(1) technical field
The present invention relates to the high-energy ignition equipment in a kind of heat energy and power field, particularly relate to a kind of high-energy plasma igniter that is applicable to gas turbine.
(2) background technique
Nowadays gas turbine is used widely and is developed at numerous areas such as aviation, boats and ships, generatings because its power is big, weight and size is little, the efficient advantages of higher.In the start-up course of gas turbine, igniting is crucial.The success rate of igniting will be directly connected to the safe and reliable operation of whole device.
At present, the method for igniting commonly used has spark ignition and semiconductor surface discharge igniting, and sparkover or Arc Discharge that the spark ignition utilization is opened between two electrodes in firing chamber come ignition mixture.The general ignition energy of the method is lower, and spark delay is long.The semiconductor surface discharge igniting is to clamp a semi-conducting material between centre electrode and lateral electrode, utilizes the ignition installation of the semi-conductive thermal effect discharge starting the arc.The semiconductor discharge has essential distinction with the Arc Discharge of gas.Can obtain bigger igniting power although it is so, but, directly influence the performance and the life-span of whole ignition mechanism owing to semi-conductive life problems.
Plasma ignition is a kind of New Type of Ignition System in recent years, utilizes arc excitation high-temperature plasma pilot fuel.Its advantage is to improve the success rate of igniting and the stability of burning, and its igniting power is big, the reliability height.But exist the problem of a contradiction: if require ignition energy big, then increase energy of plasma, electrode erosion aggravation then, the life-span reduces; And if will guarantee electrode life, ignition energy then is restricted.
More existing open reports about plasma ignition, for example number of patent application is 200620020007.0, name is called in the utility model patent file of " Pulse Plasma Igniter " disclosed technological scheme etc.Facts have proved that also there are many improvements that need in this technological scheme.
(3) summary of the invention
The object of the present invention is to provide a kind of igniting usefulness height, the high-energy plasma igniter of gas turbine of long service life.
The object of the present invention is achieved like this:
Comprise ignition exciter unit 1 and supporting plasma generator 2; The formation of ignition exciter unit 1 comprises control relay, transformation buffer circuit, oscillating impulse circuit, arc maintenance afterflow module and high-tension transformer; Control relay links to each other by Aviation Connector with control direct current supply with outside 220V Alternating Current Power Supply; The control relay output terminal is connected with transformation buffer circuit input end; Transformation buffer circuit output terminal connects oscillating impulse circuit and arc maintenance afterflow module; The oscillating impulse circuit output end connects high-tension transformer; The inner core output of one termination high-voltage ignition cable of high-tension transformer output terminal, the other end connects the negative pole of arc maintenance afterflow module output terminal; The positive contact fire actuator casing of arc maintenance afterflow module output terminal.The formation of plasma generator 2 comprises fitting seat 8, axis 3, ceramics insulator 4, negative electrode 5, anode 7; Fitting seat 8 is and anode 7 fastening installations, and the two becomes coaxial ring structure, and there is cylindrical cavity the centre; Offer the oil circuit interface in the fitting seat side, asphalt channel communicates with oilhole on the negative electrode 5; The head of negative electrode 5 becomes sharp cone distal, and the tip offers nozzle opening, is inlaid with the zirconium metallic material at pointed cone; Ceramics insulator 4 is housed between fitting seat 8 and negative electrode, and axis 3 is connected together with negative electrode 5, reinstalls in the ceramics insulator 4, and it is concentric that the three keeps.Ignition exciter unit 1 is connected with plasma generator 2 by high-voltage ignition cable, and the external metallization screen layer of high-voltage ignition cable connects the positive pole and plasma generator 2 fitting seats of ignition exciter unit 1; The inner core of high-voltage ignition cable connects the negative pole of ignition exciter unit 1 and the interior utmost point of plasma generator 2.The teflon insulation layer is arranged between the screen layer of high-voltage ignition cable and inner core, and the isolation layer average thickness is greater than 2mm.
The present invention can also comprise:
The cooling of plasma generator 2 electrodes comprises fuel cools and air cooling, and air is entered by the cavity between fitting seat 8 and the anode 7, and antianode 7 cooling backs are by the ejection of the gap between anode 7 and the negative electrode 5, and anticathode 5 outer surfaces also produce cooling action simultaneously; Fuel oil produces cooling action by the inside of negative electrode 5 inner ejection anticathodes 5.
The present invention is according to the problem that exists in the prior art, and the mode that adopts plasma ignition and little oily small oil gun to organically combine has designed this plasma ignition device.Design and improvement repeatedly passed through in this invention, and through test of many times, proves that it is practical and have use value.
The present invention can be implemented under the given plasma ignition energy, has improved igniting usefulness, and electrode has obtained sufficient cooling simultaneously, has prolonged the working life of electrode.Otherwise,, make and can under worse condition, light as low grade fuels such as heavy oil because the raising of cooling effect can strengthen the plasma ignition energy.Simultaneously, 8 of fitting seats need to adjust the screw hole position just can directly substitute original igniter, this shows that the present invention has plurality of advantages, and is suitable for practicality more.
Be 200620020007.0 with number of patent application, name is called in the utility model patent file of " Pulse Plasma Igniter " disclosed technological scheme and compares, the difference of the two is mainly reflected in: the plasma generator of at first former technological scheme itself is not to be with the oil nozzle structure, and the present invention organically combines plasma generator 2 and little oily small oil gun, with the oil nozzle 6 of small oil gun anode 5 as plasma generator 2, after ignition exciter unit 1 quits work, this generator still can be stablized the little torch of generation, and is combustion-supporting to the firing chamber.Secondly, type of cooling difference is owing to added little oil return line, the present invention is fuel oil and air dual-cooled mode for the electrode employing, when having prolonged electrode life, also there is pre-heat effect in fuel oil, supplying with under the lower situation of oil temperature, flameholding had very big effect.Therefore, the two is all completely different on working principle and the enforcement structure in design concept.
(4) description of drawings
Fig. 1 is the connection diagram of high-energy plasma igniter of gas turbine of the present invention.
Fig. 2 is the ignition exciter unit internal structure module diagram of high-energy plasma igniter of gas turbine of the present invention.
Fig. 3 is the plasma generator structural representation of high-energy plasma igniter of gas turbine of the present invention.
Fig. 4 is the ignition exciter unit circuit theory diagrams of high-energy plasma igniter of gas turbine of the present invention.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
Fig. 1 is the connection diagram of high-energy plasma igniter of gas turbine of the present invention.High-energy plasma igniter of gas turbine of the present invention, it mainly comprises: an ignition exciter unit 1, and supporting plasma generator 2 and high-voltage ignition cable.Can determine the incendiary source number according to factors such as combustion turbine power, fuel.The incendiary source number both had been the number of plasma generator 2.According to plasma generator 2 numbers, can expand ignition exciter unit 1 module, be 2 tunnel outputs such as ignition exciter unit 1 of design, if need 4 incendiary sources, then be equipped with two ignition exciter units 1 and 4 cover plasma generator 2 and high-voltage ignition cables.
Fig. 2 is the ignition exciter unit 1 internal structure module diagram of high-energy plasma igniter of gas turbine of the present invention.Ignition exciter unit 1 adopts modularization to form, and can freely select single channel output and two-way output, and what adopt in the present embodiment is two-way output.Control relay can select suitable control relay to control the break-make that 220V exchanges input according to the control signal size.
The major function of transformation buffer circuit is that working circuit and 220V electrical network are kept apart, and has both avoided the interference of electrical network clutter to working circuit, and also avoiding working circuit chance failure in a single day to occur influences electrical network.Simultaneously, isolating transformer also improves the 220V alternating voltage, increases igniter output energy.The transformer output voltage of Cai Yonging is that 400V/50Hz exchanges in the present embodiment.
The oscillating impulse circuit comprises oscillation module and high pressure resonance modules.Oscillation module can adopt controllable silicon or MOSFET pipe as switching tube, can adopt triode to produce oscillating impulse, also can adopt special-purpose pulsing chip.High pressure resonance modules and oscillation module parallel operation insert the high pressure resonance modules with the two ends of switching tube, and when the switching tube conducting, high pressure resonance modules resonance produces high pressure output.
Seeing also shown in Figure 3ly, is plasma generator 2 structural representations of high-energy plasma igniter of gas turbine of the present invention.Axis 3 connects the utmost point and negative electrode 5 in the high-voltage ignition cable.Offer oil supply gallery at fitting seat 8 middle parts, outside pipeline road links to each other micro-fuel oil on negative electrode 5 through this passage with oil nozzle 6 perforate flows to oil nozzle 6 atomizing ejections.Negative electrode 5 is made up of oil nozzle 6 and the protective material that is embedded in its cross cut end (of a beam), and this protective material can adopt the high temperature resistant alloy materials of anti-ablation the such as zirconium, hafnium, with 5 working lifes of prolongation negative electrode.Between axis 3, negative electrode 5 and fitting seat 8, be filled with high-temperature insulation body 4 to guarantee insulation effect, can select stupalith for use.Between fitting seat 8 and anode 7, take two-tube nested mode, pressurized air is fed by the annular pass between the two, from ejection between anode 7 and the negative electrode 5, play the effect of cooling electrode again.The working method of this plasma generator 2 is to produce high energy electric arc by ignition exciter unit 1 between anode 7 and negative electrode 5, pressurized air is ionized when being sprayed by the two and excites high-temperature plasma, this plasma is because air push arrives oil nozzle 6 the place aheads, thereby the vaporific fuel oil of oil nozzle 6 ejections and air mixture are lighted the formation small oil gun by this high-temperature plasma.After heat power equipment was started smoothly, ignition exciter unit quit work, and that this plasma generator can continue to supply with little oil is combustion-supporting to main combustion chamber with the burning of keeping small oil gun.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100712397A CN101463764B (en) | 2009-01-09 | 2009-01-09 | Gas Turbine High Energy Plasma Igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100712397A CN101463764B (en) | 2009-01-09 | 2009-01-09 | Gas Turbine High Energy Plasma Igniter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101463764A CN101463764A (en) | 2009-06-24 |
| CN101463764B true CN101463764B (en) | 2010-09-08 |
Family
ID=40804518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100712397A Expired - Fee Related CN101463764B (en) | 2009-01-09 | 2009-01-09 | Gas Turbine High Energy Plasma Igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101463764B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720589B (en) * | 2012-07-10 | 2014-07-16 | 烟台龙源电力技术股份有限公司 | Plasma body igniter and gas turbine |
| CN102980204A (en) * | 2012-11-27 | 2013-03-20 | 哈尔滨工程大学 | Fuel-atomizing integrated igniter |
| CN102980209B (en) * | 2012-11-27 | 2015-02-25 | 哈尔滨工程大学 | Plasma catalysis ignition integrated nozzle |
| CN109618482B (en) * | 2019-01-16 | 2024-07-16 | 烟台龙源电力技术股份有限公司 | Pulsed arc plasma generator, burner and combustion apparatus |
| CN109630279A (en) * | 2019-01-17 | 2019-04-16 | 中国人民解放军空军工程大学 | Porous atomizing plasma body fuel nozzle |
| CN112796892A (en) * | 2020-10-27 | 2021-05-14 | 中国船舶重工集团公司第七0三研究所 | Gas turbine plasma igniter with array type suspension electrode structure |
| CN114109614B (en) * | 2021-11-05 | 2024-06-07 | 苏州凯德航空科技有限公司 | Rapid ignition system and ignition method for miniature turbojet engine |
| CN115142961A (en) * | 2022-06-22 | 2022-10-04 | 武汉科技大学 | A gas turbine plasma ignition device |
| CN115856397B (en) * | 2022-12-09 | 2023-08-25 | 哈尔滨工程大学 | Discharge voltage measurement auxiliary tool of plasma ignition system |
| CN118757281A (en) * | 2024-07-22 | 2024-10-11 | 北京流体动力科学研究中心 | A ground-suspended combustion chamber igniter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161937A (en) * | 1976-07-21 | 1979-07-24 | Gerry Martin E | Igniter with magnetic activation |
| US4264844A (en) * | 1978-09-29 | 1981-04-28 | Axe Gavin C H | Electrical igniters |
| CN1230660A (en) * | 1998-03-31 | 1999-10-06 | 烟台开发区龙源电力燃烧控制工程有限公司 | Emitting gun for plasma ignitor |
| CN2883947Y (en) * | 2006-01-06 | 2007-03-28 | 哈尔滨工程大学 | pulsed plasma igniter |
| CN2927444Y (en) * | 2006-04-10 | 2007-07-25 | 徐州燃烧控制研究院有限公司 | Large-power plasma ignition switch power supply |
-
2009
- 2009-01-09 CN CN2009100712397A patent/CN101463764B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161937A (en) * | 1976-07-21 | 1979-07-24 | Gerry Martin E | Igniter with magnetic activation |
| US4264844A (en) * | 1978-09-29 | 1981-04-28 | Axe Gavin C H | Electrical igniters |
| CN1230660A (en) * | 1998-03-31 | 1999-10-06 | 烟台开发区龙源电力燃烧控制工程有限公司 | Emitting gun for plasma ignitor |
| CN2883947Y (en) * | 2006-01-06 | 2007-03-28 | 哈尔滨工程大学 | pulsed plasma igniter |
| CN2927444Y (en) * | 2006-04-10 | 2007-07-25 | 徐州燃烧控制研究院有限公司 | Large-power plasma ignition switch power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101463764A (en) | 2009-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101463764B (en) | Gas Turbine High Energy Plasma Igniter | |
| CA2442356C (en) | A combined type cathode and a plasma ignition device using the same | |
| CN103079329B (en) | A kind of high-pressure plasma ignition device | |
| CN102052197B (en) | Head injector of low-thrust engine for electric discharge and ignition by utilizing nozzle clearance | |
| US7768767B2 (en) | Triggered pulsed ignition system and method | |
| CN103277231A (en) | Aero-engine air rotational flow plasma igniter | |
| CN102162644A (en) | Dielectric barrier discharge plasma swirling device | |
| CN101463763A (en) | Magnetically stabilized plasma flow ignition generator | |
| CN102678339A (en) | Plasma igniter with reusable cathode | |
| CN104498862A (en) | High-speed gas-electric arc composite thermal spraying method and spray gun used in same | |
| US6474321B1 (en) | Long-life traveling spark ignitor and associated firing circuitry | |
| US4228747A (en) | High energy arc ignition of pulverized coal | |
| CN109361154A (en) | A self-excited jet spark igniter | |
| CN2883947Y (en) | pulsed plasma igniter | |
| CN202718760U (en) | Plasma ignitor with reusable cathode | |
| CN101463762B (en) | Continuous Plasma Stream Ignition Actuator | |
| Busby et al. | Effects of corona, spark and surface discharges on ignition delay and deflagration-to-detonation times in pulsed detonation engines | |
| CN109113873B (en) | A kind of working method of igniter with double inlet eccentric double anode structure | |
| CN216198496U (en) | Semiconductor plasma ignition nozzle with adjustable flow | |
| CN102720589A (en) | Plasma body igniter and gas turbine | |
| CN106134428B (en) | Spacecraft rocket engine electric igniter | |
| CN2665548Y (en) | Non-oil igniting device using plasma igniting boiler coal powder | |
| CN2326862Y (en) | Firing gun for plasma ignition device | |
| CN217469104U (en) | An Efficiently Coupled Microwave-Assisted Integrated Spark Plug | |
| CN107702098A (en) | A kind of double medium source of the gas plasma burners |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20100908 Termination date: 20170109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |