CN102635875B - Combustion box - Google Patents
Combustion box Download PDFInfo
- Publication number
- CN102635875B CN102635875B CN201210026875.XA CN201210026875A CN102635875B CN 102635875 B CN102635875 B CN 102635875B CN 201210026875 A CN201210026875 A CN 201210026875A CN 102635875 B CN102635875 B CN 102635875B
- Authority
- CN
- China
- Prior art keywords
- wear
- combustion chamber
- wear ring
- combustion
- inner casing
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 63
- 201000007094 prostatitis Diseases 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/002—Wall structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
- F23R3/50—Combustion chambers comprising an annular flame tube within an annular casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
- F23R3/60—Support structures; Attaching or mounting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00012—Details of sealing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00017—Assembling combustion chamber liners or subparts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Gasket Seals (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The present invention relates to a kind of combustion box, it by there is the combustor outer casing (20) of shell inside and have shell inside combustion chamber inner casing (30) form, wherein, combustor outer casing (20) and combustion chamber inner casing (30) respectively have a continuous annular groove (27 towards distolateral (5) direction opening, 37), they point to shell inside, wherein, at these grooves (27, 37) wear rib that is divided into two parts is installed in, described wear rib had not only been connected removably with combustor outer casing (20) but also with combustion chamber inner casing (30).
Description
Technical field
The present invention relates to a kind of combustion box, it is by having the combustor outer casing of shell inside and having shellInner combustion chamber inner casing forms.
Background technology
Gas turbine has a rotor that comprises axle around rotation swivel bearing. Priority along rotor is suitableOrder is inlet casing, compressor, combustion chamber (for example toroidal combustion chamber), turbine and exit casing, wherein combustionBurn chamber and be useful on the guiding combustion box of hot combustion gas and the burner of multiple coaxial layings.
Combustion box is made up of annular combustor outer casing and combustion chamber inner casing. Here, combustor outer casingDistolateral, that is in upstream, there is the pressing plate of two L shaped rings to connect by one so far with combustion chamber inner casing.But these L shaped rings tend to severe oxidation peeling at work. This external L shaped ring and combustor outer casing orBetween the inner casing of combustion chamber, produce wearing and tearing. The feature of this pressing plate is also high property easy to wear thereby short makingUse the life-span. Therefore the heavy wear based on described, the sealing plate on combustion box with L shaped ring is necessaryOften change. But the assembling of these members on combustion box is very time-consuming and very difficult.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of combustion box, and it can avoid above-mentioned shortcoming.
Solved by a kind of combustion box by the above-mentioned technical problem of the present invention, described combustion box byThe combustor outer casing with shell inside forms with the combustion chamber inner casing with shell inside, wherein, and combustion chamberShell and combustion chamber inner casing respectively have a continuous annular groove towards distolateral direction opening, and they point to shellA wear rib that is divided into two parts wherein, is installed, wherein said wear rib in inside in these groovesNot only be connected removably with combustor outer casing but also with combustion chamber inner casing. Thereby pass through according to burning of the present inventionChamber casing reaches:
By wear rib is packed in the continuous annular groove of distolateral direction opening and this wear rib removableUnload the connection of formula, in the time there are wearing and tearing, it can be dismantled easily. Can install simply equally one newlyWear rib. Therefore in the time of maintenance, can change easily wear rib. The replacing of wear rib is used at assembly feeMore much lower by the L shaped ring of prior art than replacing. This wear rib also can design very thickly, thereby aobviousWork extends the service life of this wear rib. In addition wearing and tearing only occur on removable wear rib, and no longerOccur in as in the prior art between L shaped ring and combustion chamber inner casing or combustor outer casing.
Advantageously, wear rib is made up of the first wear ring and the second wear ring, and wherein, the first wear ring hasProjection, and the second wear ring has and groove corresponding to projection, thus projection can pack in groove, and thusProjection can be fixed in groove. Therefore combustion chamber inner casing and combustor outer casing can be determined easily in the time of assemblingPosition with is connected because can feel relieved easily each other with groove (being connected to self-centering) by protruding.
Advantageously, projection and and groove corresponding to projection between be provided with expansion clearance. Can mend better thusRepay the material expansion that Yin Wendu causes.
By favourable design, the first wear ring is arranged in the groove that belongs to combustor outer casing, wherein, and firstWear ring is connected with screw with combustor outer casing, and the second wear ring is arranged on and belongs to combustion chamber inner casingIn groove, wherein, the second wear ring is connected with screw with combustion chamber inner casing. With it differently, first is wear-resistingRing can be arranged in the groove that belongs to combustion chamber inner casing, wherein, and the first wear ring and combustion chamber inner casing spiral shellNail connects, and the second wear ring is arranged in the groove that belongs to combustor outer casing, and wherein, second is wear-resistingRing is connected with screw with combustor outer casing. This screw connects and can just decompose with making and can be designed asHeat-resisting. But also it is contemplated that other removable connections.
Worthily, disclose a kind of gas turbine, it comprises by combustion box of the present invention.
Brief description of the drawings
In the explanation referring to 1 to 3 couple of embodiment of accompanying drawing, provide other features of the present invention, featureAnd advantage.
Fig. 1 represents to cut by gas-turbine installation the semi-section illustrating open;
Fig. 2 represents the partial cross-section by combustion box of the present invention; And
Fig. 3 represents the Local map distolateral by combustion box of the present invention.
Detailed description of the invention
There are compressor 2, combustion chamber 4 and the whirlpool of a combustion air by the gas-turbine installation of Fig. 11Wheel, the generator of this turbine for driving compressor 2 and figure not to represent. Combustion chamber 4 is equipped with some combustionsBurner 10, for combustion liquid or fuel gas. This exterior combustion chamber 4 also has a combustor outer casing 20 and oneIndividual combustion chamber inner casing 30, they are also referred to as sleeve.
Turbine has some rotatable working-blades. In addition, turbine also comprises the guide vane that some are fixing.Here, the working-blade of turbine drives turbine wheel shaft for the momentum by transmitting flow working medium M. Water conservancy diversion leafSheet is for flowing to along working medium M before and after seeing and lead between working-blade group in succession or working-blade ring at every twoDraw flowing of working medium M. The present invention relates to the district that represents and describe with Reference numeral 11 in Fig. 2 and Fig. 3Territory.
The combustion chamber inner casing 30 that Fig. 2 represents to have the combustor outer casing 20 of shell inside and has shell insideLocal map. Combustor outer casing 20 and combustion chamber inner casing 30 have continuous towards distolateral 5 direction openingsAnnular groove 27,37, they point to shell inside. At wear rib of the interior installation of these grooves 27,37.Wear rib is here made up of the first wear ring 25 and the second wear ring 35. The first wear ring 25 has projection 26,And the second wear ring 35 has and protruding 26 corresponding grooves 36. Projection 26 can pack in groove 36. To fireWhen burning chamber enclosure 20 is arranged on combustion chamber inner casing 30, projection 26 slips in groove 36, thereby implements burningChamber enclosure 20 is with respect to the centering of combustion chamber inner casing 30. Many installation times have been saved in this simple centering.In addition it is fixing with respect to combustion chamber inner casing 30 that, projection 26 makes combustor outer casing 20 in the time working with groove 36.Wear rib 25 by screw 40 be arranged on combustor outer casing 20 in the groove 27 of distolateral 5 direction openings.Wear rib 35 is arranged on the groove 37 towards distolateral 5 direction openings of combustion chamber inner casing 30 equally with screw 40In. Also can replace screw 40 and use other any removable connections. If determine now wear ring 25 or 35Wear and tear or these two wear rings 35 and 25 all wear and tear, can knockout screw 40 and change wear ring25,35. By wear ring 25 and 35 is arranged on towards the continuous annular groove 27 of distolateral 5 direction openingsWith in 37 and adopt removable screw to be connected, identifying that wear ring 25 and 35 can tear open while having worn and torn easilyUnload. Wear ring 25 and 35 also can have many materials along its thickness and length, therefore wear ring 25 and 35There is long service life. In addition, wearing and tearing now only occur on these two wear rings 25 and 35, and no longerOccur in as in the prior art between L shaped ring and combustor outer casing 20 or combustion chamber inner casing 30. ItsThe service life of the same prolonging combustion chamber enclosure 20 of result or combustion chamber inner casing 30. At projection 26 and groove 36Between can there is expansion clearance 41, thermal expansion when its compensation work.
Fig. 3 represents by the Local map of combustion box of the present invention distolateral 5. Screw 40 here equidistantly separatesCloth is on wear ring 25, and same, screw 40 also equidistantly distributes on wear ring 35. Here, firstThe screw 40 of wear ring 25 can be staggered with respect to the screw of the second wear ring 35 40. Also can replaceScrew 40 uses other any removable connections.
Claims (6)
1. a combustion box, it is by having the combustor outer casing (20) of shell inside and having in shellThe combustion chamber inner casing (30) of portion forms, and it is characterized by: combustor outer casing (20) and combustion chamber inner casing (30)Respectively have a continuous annular groove towards distolateral (5) direction opening (27,37), they point in shellA wear rib that is divided into two parts wherein, is installed in these annular grooves (27,37) by portion, itsDescribed in wear rib be not only connected removably with combustor outer casing (20) but also with combustion chamber inner casing (30).
2. according to combustion box claimed in claim 1, it is characterized by, described wear rib is wear-resisting by firstRing (25) and the second wear ring (35) composition, wherein, the first wear ring (25) has projection (26),And second wear ring (35) have and groove (36) corresponding to projection (26), so protruding (26) canPack in groove (36), and therefore projection (26) can be fixed in groove (36).
3. according to combustion box claimed in claim 2, it is characterized by, projection (26) and with projection(26) between corresponding groove (36), be provided with expansion clearance (41).
4. according to the combustion box described in claim 2 or 3, it is characterized by the first wear ring (25)Be arranged in the annular groove (27) that belongs to combustor outer casing (20), and wherein, the first wear ring (25)Be connected with screw with combustor outer casing (20), and the second wear ring (35) is arranged on and belongs to combustion chamberIn the annular groove (37) of inner casing (30), and wherein, the second wear ring (35) and combustion chamber inner casing(30) connect with screw.
5. according to the combustion box described in claim 2 or 3, it is characterized by the first wear ring (25)Be arranged in the annular groove (37) that belongs to combustion chamber inner casing (30), and wherein, the first wear ring (25)Be connected with screw with combustion chamber inner casing (30), and the second wear ring (35) is arranged on and belongs to combustion chamberIn the annular groove (27) of shell (20), and wherein, the second wear ring (35) and combustor outer casing(20) connect with screw.
6. a gas turbine, it comprises according to the combustion box one of all claims in prostatitis Suo Shu.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11153769.2A EP2487417B1 (en) | 2011-02-09 | 2011-02-09 | Combustion chamber casing |
| EP11153769.2 | 2011-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102635875A CN102635875A (en) | 2012-08-15 |
| CN102635875B true CN102635875B (en) | 2016-05-04 |
Family
ID=44146266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210026875.XA Expired - Fee Related CN102635875B (en) | 2011-02-09 | 2012-02-08 | Combustion box |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2487417B1 (en) |
| CN (1) | CN102635875B (en) |
| HU (1) | HUE027667T2 (en) |
| RU (1) | RU2583327C2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB892890A (en) * | 1958-11-25 | 1962-04-04 | Joseph Thompson Purvis | Annular combustion chamber reinforcing means |
| EP1473517A1 (en) * | 2003-04-30 | 2004-11-03 | Siemens Aktiengesellschaft | Combustion chamber |
| EP1521018A1 (en) * | 2003-10-02 | 2005-04-06 | ALSTOM Technology Ltd | High temperature seal |
| EP1790908A2 (en) * | 2005-11-28 | 2007-05-30 | General Electric Company | Gas turbine combustor dome repair method |
| EP1826491A1 (en) * | 2006-02-27 | 2007-08-29 | Snecma | Annular combustion chamber with removable combustor dome |
| CN101413677A (en) * | 2007-10-18 | 2009-04-22 | 通用电气公司 | Combustor bracket assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2117402T3 (en) * | 1994-01-24 | 1998-08-01 | Siemens Ag | PROCEDURE FOR THE COMBUSTION OF A COMBUSTIBLE IN COMPRESSED AIR. |
| EP1312865A1 (en) * | 2001-11-15 | 2003-05-21 | Siemens Aktiengesellschaft | Gas turbine annular combustion chamber |
| RU2315911C1 (en) * | 2006-06-07 | 2008-01-27 | Михаил Иванович Весенгириев | Annular combustion chamber of gas-turbine engine |
| FR2906350B1 (en) * | 2006-09-22 | 2009-03-20 | Snecma Sa | ANNULAR COMBUSTION CHAMBER OF A TURBOMACHINE |
| US7874138B2 (en) * | 2008-09-11 | 2011-01-25 | Siemens Energy, Inc. | Segmented annular combustor |
| US8327648B2 (en) * | 2008-12-09 | 2012-12-11 | Pratt & Whitney Canada Corp. | Combustor liner with integrated anti-rotation and removal feature |
-
2011
- 2011-02-09 HU HUE11153769A patent/HUE027667T2/en unknown
- 2011-02-09 EP EP11153769.2A patent/EP2487417B1/en active Active
-
2012
- 2012-02-08 RU RU2012104494/06A patent/RU2583327C2/en active
- 2012-02-08 CN CN201210026875.XA patent/CN102635875B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB892890A (en) * | 1958-11-25 | 1962-04-04 | Joseph Thompson Purvis | Annular combustion chamber reinforcing means |
| EP1473517A1 (en) * | 2003-04-30 | 2004-11-03 | Siemens Aktiengesellschaft | Combustion chamber |
| EP1521018A1 (en) * | 2003-10-02 | 2005-04-06 | ALSTOM Technology Ltd | High temperature seal |
| EP1790908A2 (en) * | 2005-11-28 | 2007-05-30 | General Electric Company | Gas turbine combustor dome repair method |
| EP1826491A1 (en) * | 2006-02-27 | 2007-08-29 | Snecma | Annular combustion chamber with removable combustor dome |
| CN101413677A (en) * | 2007-10-18 | 2009-04-22 | 通用电气公司 | Combustor bracket assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2012104494A (en) | 2013-08-20 |
| RU2583327C2 (en) | 2016-05-10 |
| EP2487417B1 (en) | 2015-07-15 |
| HUE027667T2 (en) | 2016-10-28 |
| EP2487417A1 (en) | 2012-08-15 |
| CN102635875A (en) | 2012-08-15 |
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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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220112 Address after: Munich, Germany Patentee after: Siemens energy Global Ltd. Address before: Munich, Germany Patentee before: SIEMENS AG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 |