JPS59112129A - Liner for burner - Google Patents

Liner for burner

Info

Publication number
JPS59112129A
JPS59112129A JP22182782A JP22182782A JPS59112129A JP S59112129 A JPS59112129 A JP S59112129A JP 22182782 A JP22182782 A JP 22182782A JP 22182782 A JP22182782 A JP 22182782A JP S59112129 A JPS59112129 A JP S59112129A
Authority
JP
Japan
Prior art keywords
louver
liner
hole
coupled end
burner
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.)
Pending
Application number
JP22182782A
Other languages
Japanese (ja)
Inventor
Shigeru Shida
志田　茂
Tatsuji Wada
和田　辰治
Koichi Akutsu
圷　耕一
Tatsuo Yonezawa
米沢　立雄
Nobuyuki Iizuka
飯塚　信之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP22182782A priority Critical patent/JPS59112129A/en
Publication of JPS59112129A publication Critical patent/JPS59112129A/en
Pending legal-status Critical Current

Links

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
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/00005—Preventing fatigue failures or reducing mechanical stress in gas turbine components
    • 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
    • F23R2900/03042—Film cooled combustion chamber walls or domes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)
  • Gas Burners (AREA)

Abstract

PURPOSE:To prevent the occurrence of cracks by eliminating the concentration of the stress on the coupled end parts by forming the coupled end part of the louver on the liner of a burner into a round form. CONSTITUTION:A round form is provided to the coupled end part of a louver to eliminate an acute notch part. In short, a small-diameter hole is provided at the position of both the coupled end parts and then louver cutting process is applied to the hole. Acute notch part can thus be removed from the ends of the louver part. Durability of the liner of the burner can thus be raised, and accident with damage of initial-stage nozzle and bucket, etc. can be prevented.

Description

【発明の詳細な説明】 本発明は、燃焼器ライナーのルーバ形状に係シルーバ穴
の止端部の応力を減少し、割れを防止するのに好適なル
ーバ穴形状の燃焼器ライナーに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a combustor liner with a louver hole shape suitable for reducing stress at the toe of the silver hole and preventing cracking due to the louver shape of the combustor liner.

第１図〜第３図は従来例を示し、１はキャップ、２はス
リーブ、３はスプリングシール、４は空気穴、５はルー
バ、６はルーバ止端部を示しＣいる。1 to 3 show a conventional example, 1 is a cap, 2 is a sleeve, 3 is a spring seal, 4 is an air hole, 5 is a louver, and 6 is a louver toe.

従来の燃焼器ライナーは、ライナー自体の冷却と燃焼効
率を向上させる為、数個の冷却穴と無数のルーバ５が加
工されている。Conventional combustor liners are machined with several cooling holes and numerous louvers 5 in order to improve the cooling and combustion efficiency of the liner itself.

周知の通シルーバ５の形状は、未完全抜き形状の為、雨
上端部６に鋭角な切欠きが残存する為、切欠き部よシ割
れが発生する欠点があった。Since the shape of the well-known pass-through louver 5 is incompletely cut out, an acute notch remains at the upper end 6 of the rain, which has the disadvantage that cracks occur at the notch.

本発明の目的は、ルーバ穴止端部に応力集中しこの結果
、割れが発生するのを防止するのに好適なルーバ穴加工
形状と加工方法を提供することにある。An object of the present invention is to provide a louver hole machining shape and a machining method suitable for preventing stress concentration at the louver hole toe and, as a result, cracks from occurring.

ルーバ穴の上端部に発生する割れは、止端部の切欠き発
生する応力集中によることが、わかった。It was found that the cracks that occur at the upper end of the louver hole are due to stress concentration caused by the notch in the toe.

本発明は応力集中をなくす方法としてルーバ穴止端部に
Ｒ形状を設け、鋭角な切欠き部をなくすようにしたもの
である。In the present invention, as a method of eliminating stress concentration, the toe of the louver hole is provided with an R shape, thereby eliminating the need for an acute notch.

木兄、明の一実施例を第４図、第５図、第６図により説
明する。An embodiment of Kien and Akira will be explained with reference to FIGS. 4, 5, and 6.

１はキャップ、２はスリーブ、３はスプリングシール、
４は空気孔、５はルーバ、６は本発明に係りルーバ止端
部に設けられた応力集中をなくすための小径穴である。1 is the cap, 2 is the sleeve, 3 is the spring seal,
4 is an air hole, 5 is a louver, and 6 is a small diameter hole provided at the toe of the louver to eliminate stress concentration according to the present invention.

あらかじめ雨上端部の位置に小径穴を設け、その後ルー
バ加工を施すものである。A small diameter hole is prepared in advance at the upper end of the rain, and then louver processing is applied.

本実施例によれば、ルーバ止端部に鋭角な切欠きを無く
すことができるので、割れの発生を防止することができ
る効果がある。According to this embodiment, since it is possible to eliminate an acute notch in the louver toe, it is possible to prevent the occurrence of cracks.

木兄晶に五は、ルー・・端部に鋭角な切欠き部を無くす
ことができるので、燃焼器ライナーの耐久Ｑ上と、初段
ノズルおよびパケット等の欠損事故防止の効果がある。Since the sharp notch at the end can be eliminated, the durability of the combustor liner is increased and the first-stage nozzle, packet, etc. are prevented from being damaged.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、従来の燃焼器ライナーの正面図、第２図は、
同じくルーバの拡大図、第３図は、第２図のＡ＝Ａ線断
面図とＢ−Ｂ線矢視断面図である。 第４図は、本発明の一実施例の燃焼器ランナーの正面図
、第５図は、同じくルーバの拡大図、第６図は、第５図
のＡ−Ａ線矢視断面図とＢ−Ｂ線矢視断面図である。 １・・・キャップ、２・・・スリーブ、３・・・スプリ
ングシール、４・・・空’Ａ穴、５・・・ルーバ。 代理人　弁理士　高橋明却 茅１図 弔２図 第３図 （ａ）　　　　　　　　　（ｂ）Figure 1 is a front view of a conventional combustor liner, Figure 2 is a
Similarly, FIG. 3, which is an enlarged view of the louver, is a sectional view taken along the line A=A and a sectional view taken along the line BB in FIG. FIG. 4 is a front view of a combustor runner according to an embodiment of the present invention, FIG. 5 is an enlarged view of the louver, and FIG. 6 is a sectional view taken along line A-A in FIG. It is a sectional view taken along the line B. 1... Cap, 2... Sleeve, 3... Spring seal, 4... Empty 'A hole, 5... Louver. Agent Patent Attorney Akio Takahashi Figure 1 Funeral Figure 2 Figure 3 (a) (b)

Claims (1)

【特許請求の範囲】[Claims] １、燃焼器ライナーのルーバ穴において、ルーバ穴止端
部に丸みをもたせて、止端部の応力集中をなくすように
したことを特徴とする燃焼器ライナー〇1. A combustor liner characterized in that in the louver hole of the combustor liner, the toe of the louver hole is rounded to eliminate stress concentration at the toe.
JP22182782A 1982-12-20 1982-12-20 Liner for burner Pending JPS59112129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22182782A JPS59112129A (en) 1982-12-20 1982-12-20 Liner for burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22182782A JPS59112129A (en) 1982-12-20 1982-12-20 Liner for burner

Publications (1)

Publication Number Publication Date
JPS59112129A true JPS59112129A (en) 1984-06-28

Family

ID=16772806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22182782A Pending JPS59112129A (en) 1982-12-20 1982-12-20 Liner for burner

Country Status (1)

Country Link
JP (1) JPS59112129A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156078A1 (en) * 2010-06-11 2011-12-15 Siemens Energy, Inc. Cooled conduit for conveying combustion gases in a gas turbine engine
JP2017223214A (en) * 2016-06-16 2017-12-21 ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド Air guiding cap, and combustion duct having the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156078A1 (en) * 2010-06-11 2011-12-15 Siemens Energy, Inc. Cooled conduit for conveying combustion gases in a gas turbine engine
US9810081B2 (en) 2010-06-11 2017-11-07 Siemens Energy, Inc. Cooled conduit for conveying combustion gases
JP2017223214A (en) * 2016-06-16 2017-12-21 ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド Air guiding cap, and combustion duct having the same

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