CN109083745B - Igniter mounting device and miniature gas turbine - Google Patents
Igniter mounting device and miniature gas turbine Download PDFInfo
- Publication number
- CN109083745B CN109083745B CN201811124184.7A CN201811124184A CN109083745B CN 109083745 B CN109083745 B CN 109083745B CN 201811124184 A CN201811124184 A CN 201811124184A CN 109083745 B CN109083745 B CN 109083745B
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- China
- Prior art keywords
- igniter
- flame tube
- hole
- mounting device
- movable piece
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
- F02C7/264—Ignition
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Gas Burners (AREA)
Abstract
The invention relates to the technical field of energy, and discloses an igniter mounting device and a micro gas turbine. The igniter mounting device comprises a movable piece, wherein an inserting hole used for fixing an igniter is formed in the movable piece, and the movable piece is arranged on a flame tube in a circumferential moving mode; when the igniter is inserted into the inserting hole, the projection of the movable piece and the igniter on the flame tube covers an igniter hole of the flame tube, the igniter penetrates through a second through hole and is fixed in the inserting hole when being inserted into the inserting hole, then the igniter is moved, the igniter drives the movable piece to move in the circumferential direction on the flame tube so as to mount the igniter in the igniter hole of the flame tube, so that when deviation exists between the igniter hole of the flame tube and the second through hole of a cartridge receiver, the igniter can still be installed in the igniter hole of the flame tube, the installation is simple and convenient, and time, financial resources and material resources can be saved; and the movable piece can prevent the flame tube from thermal expansion to damage the igniter, and can also avoid heat loss, so that the energy utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of energy, in particular to an igniter mounting device and a miniature gas turbine.
Background
The gas turbine takes continuously flowing gas as working medium to drive the impeller to rotate at high speed, converts the energy of fuel into useful work, has the advantages of simple structure, small volume, light weight, quick start, little or no cooling water and the like, and is widely applied to the technical field of energy sources.
At present, a combustion chamber of a gas turbine ignites a fuel-air mixture through an external igniter to realize combustion of fuel, in actual operation, the igniter needs to be fixed on a flame tube through a casing and a flame tube so as to facilitate subsequent ignition of the fuel-air mixture, the installation position of the igniter used at present is not movable, the flame tube igniter hole and the casing igniter hole may be misaligned due to processing or installation limitations, the installation and subsequent ignition of the fuel-air mixture are influenced, when the processing of the flame tube igniter hole and the casing igniter hole has deviation, the igniter is difficult to install, even cannot be installed, in such a case, the flame tube needs to be detached to reprocess the igniter hole, so that time and financial resources are wasted, the productivity is not facilitated to be improved, and great inconvenience is caused for the market popularization of the gas turbine. Therefore, it is important to design an igniter mounting device capable of mounting an igniter when there is a deviation in the processing of a flame tube igniter hole and a receiver igniter hole.
Disclosure of Invention
The invention provides an igniter mounting device and a micro gas turbine, wherein the igniter mounting device can mount an igniter when the machining of a flame tube igniter hole and a casing igniter hole is deviated, and is simple in structure and convenient to mount.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides an igniter mounting device, includes the movable plate, be equipped with the jack that is used for fixed igniter on the movable plate, the movable plate can set up with circumference removal on the flame tube, when the igniter inserts the jack the projection of movable plate and igniter on the flame tube covers the igniter hole of flame tube.
In the igniter mounting device, the igniter passes through the second through hole and is fixed in the jack when being inserted into the jack, then the igniter is moved, the igniter drives the movable piece to move circumferentially on the flame tube so as to mount the igniter in the igniter hole of the flame tube, therefore, when the igniter hole of the flame tube and the second through hole of the casing are in deviation, the igniter can still be mounted in the igniter hole of the flame tube, and the mounting is simpler and more convenient, and the time, the financial resources and the material resources can be saved. In addition, because the projection of the movable sheet and the igniter on the flame tube covers the igniter hole of the flame tube when the igniter is inserted into the jack, the movable sheet can avoid the thermal expansion of the flame tube to damage the igniter, can also avoid heat loss, improve the energy utilization rate and further improve the productivity.
Preferably, the preparation material of the movable sheet is the same as the preparation material of the flame tube.
Preferably, the movable sheet is made of tungsten alloy material.
Preferably, the igniter mounting device further comprises a mounting seat, the mounting seat is fixed on the flame tube, the movable piece is located on one side, facing the flame tube, of the mounting seat, and a first through hole penetrating through the thickness direction of the mounting seat and used for being inserted into the igniter is formed in the mounting seat.
Preferably, the projection of the movable piece and the igniter on the mounting seat covers the first through hole when the igniter is inserted into the insertion hole.
Preferably, the mounting base is welded to the flame tube.
Preferably, the cross section of the movable piece is concave, and the movable piece is buckled on the flame tube and can slide on the flame tube.
Preferably, a sliding groove is arranged on the flame tube, and a sliding block which is matched with the sliding groove and can slide in the sliding groove is arranged at the end part of the movable piece.
In addition, the invention also provides a miniature gas turbine, which comprises a casing, an igniter and a flame tube, wherein the casing is provided with a second through hole penetrating through the thickness direction of the casing and used for being inserted with the igniter, the miniature gas turbine also comprises the igniter mounting device which is arranged on the flame tube, and the igniter penetrates through the second through hole and the insertion hole and can circumferentially move in an igniter hole of the flame tube.
Because the igniter mounting device can still be mounted in the igniter hole of the flame tube when the igniter hole of the flame tube and the second through hole of the casing are in deviation, the igniter mounting device is simple and convenient to mount, time and financial resources can be saved, the energy utilization rate is improved, and the productivity is further improved.
Preferably, the igniter aperture has an area greater than the igniter cross-sectional area.
Drawings
FIG. 1 is a schematic view of a micro gas turbine according to the present invention;
FIG. 2 is an enlarged schematic view of section A of the micro gas turbine provided by the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, an igniter 2 mounting device 1 includes a movable piece 11, wherein an insertion hole for fixing an igniter 2 is provided in the movable piece 11, the movable piece 11 is provided on a flame tube 4 so as to be circumferentially movable, and when the igniter 2 is inserted into the insertion hole, the projection of the movable piece 11 and the igniter 2 on the flame tube 4 covers an igniter hole 41 of the flame tube 4.
In the igniter 2 mounting device 1, the igniter 2 passes through the second through hole and is fixed in the jack when being inserted into the jack, then the igniter 2 is moved, the igniter 2 drives the movable piece 11 to move circumferentially on the flame tube 4 so as to mount the igniter 2 in the igniter hole 41 of the flame tube 4, therefore, when the igniter hole 41 of the flame tube 4 and the second through hole of the casing 3 are deviated, the igniter 2 can still be mounted in the igniter hole 41 of the flame tube 4, and the mounting is simpler and more convenient, and the time, the financial resources and the material resources can be saved. In addition, because the movable piece 11 and the projection of the igniter 2 on the flame tube 4 cover the igniter hole 41 of the flame tube 4 when the igniter 2 is inserted into the insertion hole, the movable piece 11 can avoid the thermal expansion of the flame tube 4 to damage the igniter 2, can avoid heat loss, improve the energy utilization rate and further improve the productivity.
In a preferred embodiment, the active plate 11 may be made of the same material as the flame tube 4.
In the igniter 2 mounting device 1, the material for preparing the movable piece 11 is the same as the material for preparing the flame tube 4, so that the preparation is convenient, the processing is convenient, the influence on the micro gas turbine caused by the movable piece 11 is avoided, the material for preparing the movable piece 11 can be different from the material for preparing the flame tube 4 but can meet other materials with high melting point, and the material for preparing the movable piece 11 needs to be selected according to the specific practical conditions of the igniter 2 mounting device 1 and the micro gas turbine.
Specifically, the movable piece 11 may be made of a tungsten alloy material.
In the igniter 2 mounting device 1, since tungsten alloy is an alloy based on tungsten and added with other elements, and among metals, the melting point of tungsten is highest, and the tungsten has advantages of high-temperature strength and creep resistance, better heat conduction, electric conduction and electron emission properties, and the like, tungsten and the tungsten alloy are widely used in the electronic and electric light source industry for manufacturing rocket nozzles, die casting molds, heating elements, heat shields and the like, and therefore, the movable sheet 11 can be made of tungsten alloy materials.
In a preferred embodiment, as shown in fig. 1 and 2, the igniter 2 mounting device 1 further includes a mounting seat 12, the mounting seat 12 is fixed on the flame tube 4, and the movable piece 11 is located on a side of the mounting seat 12 facing the flame tube 4, and the mounting seat 12 is provided with a first through hole 13 penetrating through the thickness direction thereof and used for inserting the igniter 2.
In the igniter 2 mounting device 1, the igniter 2 passes through the second through hole and the first through hole 13, and is fixed in the jack when being inserted into the jack, then the igniter 2 is moved, the igniter 2 drives the movable piece 11 to move circumferentially on the flame tube 4 so as to mount the igniter 2 in the igniter hole 41 of the flame tube 4, therefore, when the igniter hole 41 of the flame tube 4 and the second through hole of the casing 3 deviate from each other, the igniter 2 can still be mounted in the igniter hole 41 of the flame tube 4, and the mounting is simple and convenient, and the time, the financial resources and the material resources can be saved. The movable piece 11 is arranged on one side of the mounting seat 12 facing the flame tube 4, and the mounting seat 12 is fixed on the flame tube 4, so that the movable piece 11 can be prevented from falling off, the movable range of the movable piece 11 is limited, and the stability of the igniter 2 mounting device 1 is improved.
In order to improve the smoothness of the movement of the igniter 2, as shown in fig. 1 and 2, specifically, the projection of the movable piece 11 and the igniter 2 onto the mount 12 covers the first through hole 13 when the igniter 2 is inserted into the insertion hole.
In the igniter 2 mounting device 1, when the igniter 2 is inserted into the insertion hole, the projection of the movable piece 11 and the igniter 2 on the mounting seat 12 covers the first through hole 13, the area of the first through hole 13 is larger than the cross-sectional area of the igniter 2, so that the igniter 2 can smoothly move in the first through hole 13, and when the igniter 2 is inserted into the insertion hole, the projection of the movable piece 11 and the igniter 2 on the flame tube 4 covers the igniter hole 41 of the flame tube 4, so that the movable piece 11 can not only avoid the heat expansion of the flame tube 4 from damaging the igniter 2, but also further avoid heat loss, improve the energy utilization rate and further improve the productivity.
Specifically, the mount 12 is welded to the flame tube 4.
In the igniter 2 mounting device 1, welding is a manufacturing process for joining metal or other materials by heating, high temperature or high pressure, so that the fixed connection between the mounting base 12 and the flame tube 4 can be easily realized, and in order to realize the fixed connection between the mounting base 12 and the flame tube 4, not only the welding mode but also other connection modes capable of realizing the fixed connection effect can be adopted, and the fixed connection mode between the mounting base 12 and the flame tube 4 can be selected according to the actual conditions of the igniter 2 mounting device 1 and the micro gas turbine.
In a preferred embodiment, the cross-sectional shape of the movable piece 11 is concave, and the movable piece 11 is fastened to the flame tube 4 and can slide on the flame tube 4.
In the igniter 2 mounting device 1, the igniter 2 passes through the second through hole and is fixed in the jack when being inserted into the jack, when the igniter 2 is moved, the igniter 2 drives the movable piece 11 to slide on the flame tube 4 so as to mount the igniter 2 in the igniter hole 41 of the flame tube 4, therefore, when the igniter hole 41 of the flame tube 4 and the second through hole of the receiver 3 are in deviation, the igniter 2 can still be mounted in the igniter hole 41 of the flame tube 4, and the mounting is simpler and more convenient, and the time, the financial resources and the material resources can be saved. In addition, because the cross section shape of the movable plate 11 is concave, the movable plate 11 is buckled on the flame tube 4, so that the movable plate 11 can not only avoid the damage to the igniter 2 due to the thermal expansion of the flame tube 4, but also avoid heat loss, improve the energy utilization rate and further improve the productivity.
Specifically, a chute is provided on the flame tube 4, and a slider which is matched with the chute and can slide in the chute is provided at the end of the movable plate 11.
In the igniter 2 mounting device 1, in order to facilitate the sliding of the movable plate 11 on the flame tube 4, a structure of a sliding groove and a sliding block may be adopted, in which the flame tube 4 is provided with the sliding groove, the end portion of the movable plate 11 is provided with the sliding block which is matched with the sliding groove and can slide in the sliding groove, the flame tube 4 is provided with the sliding block, the end portion of the movable plate 11 is provided with the sliding groove which is matched with the sliding block and can slide in the sliding block, and other structure forms which can facilitate the sliding of the movable plate 11 on the flame tube 4 may be adopted, and the specific structure forms may be selected according to the actual conditions of the igniter 2 mounting device 1 and the micro gas turbine.
In addition, as shown in fig. 1 and 2, the present invention also provides a micro gas turbine, which comprises a casing 3, an igniter 2, and a flame tube 4, wherein a second through hole penetrating through the thickness direction of the casing 3 is formed in the casing 3 for inserting the igniter 2, the micro gas turbine also comprises an igniter 2 mounting device 1 as in any one of the above, the igniter 2 mounting device 1 is arranged on the flame tube 4, and the igniter 2 penetrates through the second through hole and the insertion hole and can move circumferentially in an igniter hole 41 of the flame tube 4.
Because the igniter 2 mounting device 1 can still be mounted in the igniter hole 41 of the flame tube 4 when the igniter hole 41 of the flame tube 4 and the second through hole of the casing 3 are in deviation, the mounting is simple and convenient, time and financial resources can be saved, the energy utilization rate is improved, and the productivity is further improved, so that the miniature gas turbine with the igniter 2 mounting device 1 can improve the energy utilization rate.
In a preferred embodiment, the igniter aperture 41 has an area that is greater than the cross-sectional area of the igniter 2.
In the micro gas turbine, in order to improve the smoothness of the movement of the igniter 2, the igniter hole 41 may have a larger area than the cross-sectional area of the igniter 2, and in order to facilitate the processing, the igniter hole 41 and the second through hole may have the same size.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The igniter mounting device is characterized by comprising a movable sheet, wherein the movable sheet is provided with an insertion hole for fixing an igniter, the movable sheet is arranged on a flame tube in a circumferential movable manner, and when the igniter is inserted into the insertion hole, the projection of the movable sheet and the igniter on the flame tube covers an igniter hole of the flame tube;
the igniter mounting device further comprises a mounting seat, wherein the mounting seat is fixed on the flame tube, the movable piece is positioned on one side, facing the flame tube, of the mounting seat, and a first through hole penetrating through the thickness direction of the mounting seat and used for plugging the igniter is formed in the mounting seat;
the cross section of the mounting seat is concave, and the mounting seat is buckled on the flame tube;
The cross section of the movable piece is concave, and the movable piece is buckled on the flame tube and can slide on the flame tube.
2. The igniter mounting device of claim 1 wherein said movable plate is made of the same material as said flame tube.
3. The igniter mounting device of claim 2 wherein said movable plate is made of a tungsten alloy material.
4. The igniter mounting device of claim 1 wherein the projection of the movable tab and igniter onto the mount upon insertion of the igniter into the receptacle covers the first through hole.
5. The igniter mounting device of claim 1 wherein said mount is welded to said barrel.
6. The igniter mounting device of claim 1 wherein a chute is provided on the flame tube, and a slider is provided at an end of the movable piece that mates with the chute and is slidable within the chute.
7. A miniature gas turbine, comprising a casing, an igniter and a flame tube, wherein the casing is provided with a second through hole penetrating through the thickness direction of the casing and used for being inserted into the igniter, and the miniature gas turbine is characterized by further comprising an igniter mounting device according to any one of claims 1-6, wherein the igniter mounting device is arranged on the flame tube, and the igniter penetrates through the second through hole and the insertion hole and can circumferentially move in an igniter hole of the flame tube.
8. The micro gas turbine as set forth in claim 7 wherein the igniter aperture area is greater than the igniter cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124184.7A CN109083745B (en) | 2018-09-26 | 2018-09-26 | Igniter mounting device and miniature gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124184.7A CN109083745B (en) | 2018-09-26 | 2018-09-26 | Igniter mounting device and miniature gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083745A CN109083745A (en) | 2018-12-25 |
| CN109083745B true CN109083745B (en) | 2024-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811124184.7A Active CN109083745B (en) | 2018-09-26 | 2018-09-26 | Igniter mounting device and miniature gas turbine |
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| CN (1) | CN109083745B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623991B (en) * | 2020-06-11 | 2022-05-10 | 杭州汽轮动力集团有限公司 | Igniter position adjusting mechanism for gas turbine combustion chamber test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061309A (en) * | 2017-12-06 | 2018-05-22 | 中国联合重型燃气轮机技术有限公司 | Gas turbine and its burner |
| CN207880869U (en) * | 2018-01-19 | 2018-09-18 | 中国科学院工程热物理研究所 | Dual Action for sparking plug and hot-end component covers positioning element |
| CN208749453U (en) * | 2018-09-26 | 2019-04-16 | 新奥能源动力科技（上海）有限公司 | A kind of igniter mounting device and miniature gas turbine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090293486A1 (en) * | 2007-10-26 | 2009-12-03 | Honeywell International, Inc. | Combustors with igniters having protrusions |
| CN101307916B (en) * | 2008-06-24 | 2010-06-16 | 北京航空航天大学 | A gas turbine combustor burning ethanol fuel |
| FR2953908A1 (en) * | 2009-12-16 | 2011-06-17 | Snecma | GUIDING A CANDLE IN A TURBOMACHINE COMBUSTION CHAMBER |
| CN101818910B (en) * | 2010-03-24 | 2012-07-25 | 北京航空航天大学 | Miniature gas turbine combustion chamber |
| CN203615366U (en) * | 2013-12-12 | 2014-05-28 | 中航商用航空发动机有限责任公司 | Combustion chamber |
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2018
- 2018-09-26 CN CN201811124184.7A patent/CN109083745B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061309A (en) * | 2017-12-06 | 2018-05-22 | 中国联合重型燃气轮机技术有限公司 | Gas turbine and its burner |
| CN207880869U (en) * | 2018-01-19 | 2018-09-18 | 中国科学院工程热物理研究所 | Dual Action for sparking plug and hot-end component covers positioning element |
| CN208749453U (en) * | 2018-09-26 | 2019-04-16 | 新奥能源动力科技（上海）有限公司 | A kind of igniter mounting device and miniature gas turbine |
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| Publication number | Publication date |
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| CN109083745A (en) | 2018-12-25 |
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