CN202645738U - Plasma igniter and combustion gas turbine - Google Patents
Plasma igniter and combustion gas turbine Download PDFInfo
- Publication number
- CN202645738U CN202645738U CN 201220332772 CN201220332772U CN202645738U CN 202645738 U CN202645738 U CN 202645738U CN 201220332772 CN201220332772 CN 201220332772 CN 201220332772 U CN201220332772 U CN 201220332772U CN 202645738 U CN202645738 U CN 202645738U
- Authority
- CN
- China
- Prior art keywords
- negative electrode
- plasma igniter
- housing
- shell body
- plasma
- 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 - Lifetime
Links
- 239000000567 combustion gas Substances 0.000 title abstract 2
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000003044 adaptive effect Effects 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Abstract
The utility model discloses a plasma igniter and a combustion gas turbine. The plasma igniter comprises a negative electrode, a negative electrode pole, an insulation sleeve, an electrode seat and a shell body, wherein the shell body worked as a positive electrode is arranged on the outside of the negative electrode pole in a sleeved mode. The insulation sleeve is arranged between the shell body and the negative electrode pole, and the negative electrode is electrically connected with a head of the negative electrode pole. The electrode seat used for connecting a negative pole of a power supply is positioned at the tail end of the negative electrode pole. The negative electrode is positioned outside the shell body. And a distance regulator is arranged between the negative electrode and the shell body. The on site adaptive capacity of the plasma igniter can be enhanced due to the fact that the distance between the negative electrode and the shell body can be adjusted, and the arc breakdown ability can be well controlled, the stability of arc starting can be guaranteed, the arc starting process can be finished in a short time, and the on site equipments normal running can be guaranteed, and the work efficiency can be improved.
Description
Technical field
The utility model relates to active field, particularly relates to a kind of plasma igniter and gas turbine.
Background technique
In the gas turbine firing technique, plasma technique is widely used with advantages such as ignition energy are concentrated, calorie spread speed is fast, burning-out rate is high.The size of its ignition ability is to be determined by the arc characteristic that it produces, so the producing method of electric arc is the key of whole igniting process.
At present, gas turbine plasma igniter production process commonly used is complicated, and negative electrode and anode gap are fixed, and following several shortcoming is arranged:
1) negative electrode is surrounded by anode, and plasma output energy is less, ignition ability a little less than;
2) negative electrode and anode gap are fixed, and the output power of plasma igniter is fixed, when quality of fuel changes, and the situation that may produce ignition difficulties or can not light;
3) if improve inrush current, strengthen the power of plasma igniter, owing to the infringement of electric current to electrode strengthens, so its life-span can reduce.
Facts have proved that present plasma igniter can not adapt to the various field situation well.
The model utility content
The technical problems to be solved in the utility model provides a kind of plasma igniter and gas turbine.Because the distance between negative electrode and the housing can be regulated, therefore can strengthen the on-the-spot adaptive capacity of plasma igniter.
According to an aspect of the present utility model, a kind of plasma igniter is provided, comprise negative electrode, cathode bar, insulating bush, electrode tip holder, housing, wherein be set in the outside of cathode bar as the housing of anode, insulating bush is arranged between housing and the cathode bar, and negative electrode is electrically connected with the head of cathode bar, and the electrode tip holder that is used for connection input power negative pole is positioned at the afterbody of cathode bar, negative electrode is positioned at the outside of housing, is provided with range adjuster simultaneously between negative electrode and housing.
Preferably, range adjuster is thread regulator or latch.
Preferably, plasma igniter also comprises the anti-ripple ring for the fixed insulation cover.
Preferably, anti-ripple ring is taper.
Preferably, between anti-ripple ring and insulating bush, pad is set.
Preferably, cathode bar and the coaxial installation of housing.
Preferably, housing is provided with the hole that air enters.
Preferably, housing is formed in one.
Preferably, plasma igniter also comprises for plasma igniter and the gas turbine sealing gasket in the installed position sealing.
According on the other hand of the present utility model, a kind of gas turbine is provided, comprise above-mentioned arbitrary embodiment's plasma igniter.
The utility model is owing to the distance between negative electrode and the housing can be regulated, therefore can strengthen the on-the-spot adaptive capacity of plasma igniter, control well the arc through ability, guarantee that the starting the arc is stable, and the short time finish Igniting pattern, guarantee that field apparatus normally moves, increase work efficiency.
Description of drawings
Fig. 1 is an embodiment's of the utility model plasma igniter schematic representation.
Fig. 2 is another embodiment's of the utility model plasma igniter schematic representation.
Fig. 3 is an embodiment's of the utility model plasma igniter middle shell schematic representation.
Fig. 4 be A shown in Figure 2 to schematic representation.
Fig. 5 be N-N shown in Figure 2 to schematic representation.
Fig. 6 be B shown in Figure 2 to schematic representation.
Embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model wherein is described.
Fig. 1 is an embodiment's of the utility model plasma igniter schematic representation.As shown in Figure 1, plasma igniter comprises negative electrode 1, cathode bar 2, insulating bush 3, electrode tip holder 4, housing 5.Wherein:
Be set in the outside of cathode bar 2 as the housing 5 of anode, insulating bush 3 is arranged between housing 5 and the cathode bar 2, negative electrode 1 is electrically connected with the head 21 of cathode bar 2, the electrode tip holder 4 that is used for connection input power negative pole is positioned at the afterbody 22 of cathode bar 2, negative electrode 1 is positioned at the outside of housing 5, is provided with range adjuster simultaneously between negative electrode 1 and housing 5.
The plasma igniter that provides based on the utility model above-described embodiment, because the distance between negative electrode and the housing can be regulated, therefore can strengthen the on-the-spot adaptive capacity of plasma igniter, control well the arc through ability, guarantee that the starting the arc is stable, and the short time finish Igniting pattern, guarantee that field apparatus normally moves, and increases work efficiency.
Because negative electrode 1 extends to outside the housing 5, thereby has more fully air in Igniting pattern, this is conducive to arc through.Can control the output power of plasma generator by regulating the distance between negative electrode 1 and the housing 5, adjust the ability of its igniting.
Preferably, range adjuster is thread regulator or latch.
Fig. 2 is another embodiment's of the utility model plasma igniter schematic representation.Wherein in the embodiment shown in Figure 2, further, plasma igniter also comprises the anti-ripple ring 6 for fixed insulation cover 3.Preferably, anti-ripple ring 6 tightens up effect for taper to igniter.
Preferably, between anti-ripple ring 6 and insulating bush 3, pad 7 is set, is used for further improving the effect of tightening up of anti-ripple ring 6.
Preferably, cathode bar 2 and housing 5 coaxial installations.
Preferably, housing 5 is provided with the hole that air enters, thereby guarantees the air supply that igniting is required.The schematic representation of the preferred embodiment as shown in Figure 3.
Preferably, housing 5 is formed in one.Because housing 5 is formed in one, need not pass through being welded to form, so preparation process is simple, also has simultaneously the characteristics that the starting the arc is stable, the life-span is long.Simultaneously, housing 5 can according to different field conditions, carry out corresponding change to boundary dimension.
Fig. 4 be A shown in Figure 2 to schematic representation.Fig. 5 be N-N shown in Figure 2 to schematic representation.Fig. 6 be B shown in Figure 2 to schematic representation.
Preferably, plasma igniter also comprises for plasma igniter and the gas turbine sealing gasket 8 in the installed position sealing, is convenient to plasma igniter and is installed on the gas turbine.
Above-mentioned means can ensure the stability of plasma igniter work.Simultaneously, plasma igniter comprises corresponding power supply unit, can set design parameter according to actual conditions, adjusts the arc through ability, finishes better Igniting pattern.
The working procedure of plasma igniter is: connects ac power supply, by control box ac power supply is upgraded to high-tension electricity, by the high temperature high voltage resistant cable high voltage is connected to plasma igniter again, and the disruptive discharge gap, thus produce electric arc.
For example, under the some oil condition, the gap of negative electrode and anode casing can be tuned up at the scene, improve the output power of plasma generator, reach the igniting requirement.For in the gas situation, the gap of negative electrode and anode casing can be turned down at the scene, reduce the output power of plasma generator, prevent the gas detonation.
The utility model also relates to a kind of gas turbine, and wherein this gas turbine comprises the plasma igniter that above-mentioned arbitrary embodiment relates to.
The utility model is owing to the distance between negative electrode and the housing can be regulated, therefore can strengthen the on-the-spot adaptive capacity of plasma igniter, can adapt to two kinds of different field conditions of a gas and some oil, control well the arc through ability, guarantee that the starting the arc is stable, and the short time finish Igniting pattern, guarantee that field apparatus normally moves, and increases work efficiency.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or with the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiments with various modifications that the utility model design is suitable for special-purpose.
Claims (10)
1. a plasma igniter comprises negative electrode (1), cathode bar (2), insulating bush (3), electrode tip holder (4), housing (5), it is characterized in that:
Be set in the outside of cathode bar (2) as the housing (5) of anode, insulating bush (3) is arranged between housing (5) and the cathode bar (2), negative electrode (1) is electrically connected with the head (21) of cathode bar (2), the electrode tip holder (4) that is used for connection input power negative pole is positioned at the afterbody (22) of cathode bar (2), negative electrode (1) is positioned at the outside of housing (5), is provided with range adjuster simultaneously between negative electrode (1) and housing (5).
2. plasma igniter according to claim 1, it is characterized in that: range adjuster is thread regulator or latch.
3. plasma igniter according to claim 1 and 2, it is characterized in that: plasma igniter also comprises the anti-ripple ring (6) for fixed insulation cover (3).
4. plasma igniter according to claim 3 is characterized in that: prevent that ripple ring (6) is taper.
5. plasma igniter according to claim 3 is characterized in that: between anti-ripple ring (6) and insulating bush (3) pad (7) is set.
6. plasma igniter according to claim 1 and 2 is characterized in that: cathode bar (2) and the coaxial installation of housing (5).
7. plasma igniter according to claim 1 and 2, it is characterized in that: housing (5) is provided with the hole that air enters.
8. plasma igniter according to claim 1 and 2, it is characterized in that: housing (5) is formed in one.
9. plasma igniter according to claim 1 and 2 is characterized in that: plasma igniter also comprises for plasma igniter and the gas turbine sealing gasket (8) in the installed position sealing.
10. a gas turbine is characterized in that: comprise each described plasma igniter among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332772 CN202645738U (en) | 2012-07-10 | 2012-07-10 | Plasma igniter and combustion gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332772 CN202645738U (en) | 2012-07-10 | 2012-07-10 | Plasma igniter and combustion gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645738U true CN202645738U (en) | 2013-01-02 |
Family
ID=47414856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220332772 Expired - Lifetime CN202645738U (en) | 2012-07-10 | 2012-07-10 | Plasma igniter and combustion gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202645738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720589A (en) * | 2012-07-10 | 2012-10-10 | 烟台龙源电力技术股份有限公司 | Plasma body igniter and gas turbine |
| CN110145400A (en) * | 2019-05-21 | 2019-08-20 | 大连民族大学 | A kind of double mode plasma igniter |
-
2012
- 2012-07-10 CN CN 201220332772 patent/CN202645738U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720589A (en) * | 2012-07-10 | 2012-10-10 | 烟台龙源电力技术股份有限公司 | Plasma body igniter and gas turbine |
| 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 |
| CN110145400A (en) * | 2019-05-21 | 2019-08-20 | 大连民族大学 | A kind of double mode plasma igniter |
| CN110145400B (en) * | 2019-05-21 | 2022-12-13 | 大连民族大学 | Dual-mode plasma igniter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20140716 |
|
| RGAV | Abandon patent right to avoid regrant |