JP3122391B2 - Multi-valve interlocking switching device - Google Patents
Multi-valve interlocking switching deviceInfo
- Publication number
- JP3122391B2 JP3122391B2 JP09175731A JP17573197A JP3122391B2 JP 3122391 B2 JP3122391 B2 JP 3122391B2 JP 09175731 A JP09175731 A JP 09175731A JP 17573197 A JP17573197 A JP 17573197A JP 3122391 B2 JP3122391 B2 JP 3122391B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valve
- fuel supply
- link
- supply pipe
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Fluid-Driven Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Feeding And Controlling Fuel (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明はガスタービンの多数
のデュアル燃料ノズルに同時に且つ均一に燃料を噴射す
るための多数弁連動切替装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-valve interlocking switching device for simultaneously and uniformly injecting fuel into a large number of dual fuel nozzles of a gas turbine.
【０００２】[0002]
【従来の技術】図３はガスタービンの燃料供給系統図で
ある。ガスタービンでは各種のガス燃料と油燃料とが使
用され、ガス燃料と油燃料とが同時に、又はそれぞれ単
独で、同一燃焼器内で使用される。2. Description of the Related Art FIG. 3 is a diagram showing a fuel supply system for a gas turbine. In a gas turbine, various gas fuels and oil fuels are used, and the gas fuel and the oil fuel are used simultaneously or independently in the same combustor.
【０００３】ガス燃料はガス流量計１、圧力調節弁２、
制御遮断弁３を経て燃焼器内に多数配設されたデュアル
燃料ノズル４から噴射される。停止時は系内の残留ガス
燃料は大気放出弁５から大気へ放出される。The gas fuel is supplied by a gas flow meter 1, a pressure control valve 2,
The fuel is injected from a plurality of dual fuel nozzles 4 disposed in the combustor via a control shutoff valve 3. When the system is stopped, the residual gas fuel in the system is released from the atmosphere release valve 5 to the atmosphere.
【０００４】次に油燃料はストレーナ６、流量計７、燃
料ポンプ８、ストレーナ９、制御兼遮断弁１０、及びフ
ローデバイダー１１を経て燃焼器内に多数配設されたデ
ュアル燃料ノズル４から噴射される。噴射圧力の調節
は、圧力調節弁１２のバイパス制御によって行われる。
又停止時の系統内の残留油燃料はマニホールドドレン弁
１３から排出回収される。そしてフローデバイダー１１
は各燃料ノズルの噴射量を均一にするために設けられて
いる。又、フローデバイダー１１の下流には、各燃料ノ
ズルに至る単独の燃料配管が設けられていて管路には逆
止弁１４及び仕切弁１５が設けられている。Next, the oil fuel is injected from the dual fuel nozzles 4 arranged in the combustor through the strainer 6, the flow meter 7, the fuel pump 8, the strainer 9, the control / shut-off valve 10, and the flow divider 11. You. The adjustment of the injection pressure is performed by bypass control of the pressure control valve 12.
Further, the residual oil fuel in the system at the time of stop is discharged and collected from the manifold drain valve 13. And the flow divider 11
Are provided to make the injection amount of each fuel nozzle uniform. Further, a single fuel pipe to each fuel nozzle is provided downstream of the flow divider 11, and a check valve 14 and a gate valve 15 are provided in the pipe.
【０００５】この種のガスタービンでは、前述したよう
にガス燃料と油燃料との燃焼或いはそれぞれの燃料の専
焼が可能なように構成されている。又、燃料の切替は運
転中にもできる。[0005] As described above, this type of gas turbine is configured to be able to burn gas fuel and oil fuel or to exclusively burn each fuel. Further, the fuel can be switched during operation.
【０００６】[0006]
【発明が解決しようとする課題】フローデバイダー下流
の各燃料ノズルに至る燃料配管は燃焼器に数多く配設さ
れている燃焼ノズルの数だけありその管路には、個々に
逆止弁と仕切弁が設けられている。そのため同時に且つ
均一に操行することは難しく燃焼が部分的となり過渡的
にガスタービン出力が低下していた。The number of fuel pipes to each fuel nozzle downstream of the flow divider is as many as the number of combustion nozzles provided in the combustor, and the pipes have individual check valves and gate valves. Is provided. For this reason, it was difficult to operate simultaneously and uniformly, and partial combustion occurred, resulting in a transient decrease in gas turbine output.
【０００７】また、使用圧力は大約５０kgf/cm2 で圧力
損失が少く、シール性が良好で同時一括連動操作の可能
な弁は一体型精密構造品（機械式構造弁）となるので非
常に高価なものとなる。Further, the working pressure is about 50 kgf / cm 2 , the pressure loss is small, the sealing performance is good, and the valve which can be operated simultaneously at the same time is very expensive because it is an integrated precision structure product (mechanical structure valve). It becomes something.
【０００８】本発明はこの問題点を解消するために提供
されたものであって、複数の弁を同時・均一に操作でき
る低価格の多数弁連動切替装置を提供しようとするもの
である。The present invention has been provided to solve this problem, and an object of the present invention is to provide a low-cost multi-valve interlocking switching device capable of simultaneously and uniformly operating a plurality of valves.
【０００９】[0009]
【課題を解決するための手段】本発明は上記課題を解決
したものであって、ガスタービン燃焼器のデュアル燃料
ノズルへ向かう燃料供給管に設けられたフローデバイダ
ーの下流側の燃料供給管に配設される多数の弁の連動切
替装置において、前記燃料供給管から分岐して多数の弁
を配設した燃料戻り管を設け、前記燃料供給管及び燃料
戻り管にそれぞれ配設された弁は手動ボール弁を用い、
前記燃料供給管側及び燃料戻り管側のそれぞれにおい
て、手動ボール弁の全てのハンドルのそれぞれにリンク
板を取付け、各全てのリンク板をそれぞれ共通の１本の
リンクレバーに回動可能にピン結合し、各リンクレバー
の一端にそれぞれ油圧アクチュエータ或いは空気式シリ
ンダーを接続し、それぞれ全部のボール弁を連動させる
ことを特徴とする多数弁連動切替装置に関するものであ
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and is provided in a fuel supply pipe downstream of a flow divider provided in a fuel supply pipe toward a dual fuel nozzle of a gas turbine combustor. In the interlocking switching device for a number of valves provided, a number of valves branched from the fuel supply pipe are provided.
A fuel return pipe provided with the fuel supply pipe and the fuel
The valves arranged on the return pipes use manual ball valves,
Each of the fuel supply pipe side and the fuel return pipe side
Te, attaching a link plate in each of all the handle of the manual ball valve, each and every link plate were common rotatably pin-connected to one of the link lever respectively, one end to the hydraulic actuator each or each link levers connect the pneumatic cylinder, to a large number valve interlock switching device, characterized in that to link all of the ball valve, respectively.
【００１０】[0010]
【発明の実施の形態】図１は本発明の実施の一形態に係
る多数弁連動切替装置の系統図である。図において、フ
ローデバイダー５１の下流側には燃焼器内のノズルの数
だけ燃料供給管５２が配設されていて、それぞれの管路
には上流側から順に逆止弁５３と手動ボール弁５４ａが
取り付けられている。そして手動ボール弁５４ａの下流
の燃料供給管５２’の先端には燃料ノズルが取り付けら
れる。手動ボール弁は一般に市販されているもので、通
常は手動で操作されるものである。FIG. 1 is a system diagram of a multiple valve interlocking switching device according to an embodiment of the present invention. In the figure, fuel supply pipes 52 are arranged on the downstream side of the flow divider 51 by the number of nozzles in the combustor, and a check valve 53 and a manual ball valve 54a are sequentially provided on each pipe from the upstream side. Installed. A fuel nozzle is attached to the tip of a fuel supply pipe 52 'downstream of the manual ball valve 54a. Manual ball valves are generally commercially available and are usually manually operated.
【００１１】手動ボール弁５４ａのそれぞれのハンドル
５５ａには図示されていないリンク板が取り付けられて
いて全リンク板は共通するリンクレバー５６ａに取り付
けられている。リンクレバー５６ａの一端には、油圧ア
クチュエータ或いは空気式シリンダー５７ａの軸が取り
付けられ全手動ボール弁５４ａを同時に均一に連動作動
させることができる構造となっている。A link plate (not shown) is attached to each handle 55a of the manual ball valve 54a, and all the link plates are attached to a common link lever 56a. A hydraulic actuator or a shaft of a pneumatic cylinder 57a is attached to one end of the link lever 56a, so that all the manual ball valves 54a can be simultaneously and uniformly operated together.
【００１２】又、燃料供給管５２の逆止弁５３と手動ボ
ール弁５４ａとの間の配管にはそれぞれ燃料戻り管５８
が分岐されていて弁寄せ５９に一括集められている。
又、戻り管５８の管路には手動ボール弁５４ｂが配設さ
れている。そして手動ボール弁５４ａと同様に、手動ボ
ール弁５４ｂのそれぞれのハンドル５５ｂにも図示され
ていないリンク板が取り付けられていて、全リンク板は
共通するリンクレバー５６ｂに取り付けられている。そ
してリンクレバー５６ｂの一端には、油圧アクチュエー
タ或いは空気式シリンダー５７ｂの軸が取り付けられ全
手動ボール弁５４ｂを同時に均一に連動作動させること
ができる構造になっている。油圧アクチュエータまたは
空気式シリンダー５７ａと５７ｂとは同時にまたは時間
差を付けて作動することができる。なお図は燃料供給中
の状態を示している。A fuel return pipe 58 is provided in a pipe between the check valve 53 and the manual ball valve 54a of the fuel supply pipe 52, respectively.
Are branched and are collectively collected in the valve body 59.
A manual ball valve 54b is provided in the return pipe 58. Similarly to the manual ball valve 54a, a link plate (not shown) is attached to each handle 55b of the manual ball valve 54b, and all the link plates are attached to a common link lever 56b. A shaft of a hydraulic actuator or a pneumatic cylinder 57b is attached to one end of the link lever 56b, so that all the manual ball valves 54b can be simultaneously and uniformly operated in an interlocked manner. The hydraulic actuators or pneumatic cylinders 57a and 57b can operate simultaneously or staggered. The figure shows a state during fuel supply.
【００１３】図２は図１の二点鎖線Ａ内の部分を示す多
数弁連動切替装置の構成図である。図において、手動ボ
ール弁５４ａのハンドル５５ａにはリンク板６０ａが取
り付けられていて、リンク板６０ａの他端はリンクレバ
ー５６ａに回動可能にピン６１ａで取り付けられてい
る。リンクレバー５６ａの一端は油圧シリンダー或いは
空気式シリンダー５７ａの軸６２ａが取り付けられてい
る。油圧シリンダー或いは空気式シリンダー５７ａの作
動によって、ボール弁５４ａは連動して一斉に開閉され
る。手動ボール弁５４ｂの駆動部の構成も上記と同様で
ある。FIG. 2 is a block diagram of the multi-valve interlocking switching device, showing the portion within the two-dot chain line A in FIG. In the figure, a link plate 60a is attached to a handle 55a of the manual ball valve 54a, and the other end of the link plate 60a is attached to a link lever 56a by a pin 61a so as to be rotatable. A shaft 62a of a hydraulic cylinder or a pneumatic cylinder 57a is attached to one end of the link lever 56a. By actuation of the hydraulic cylinder or the pneumatic cylinder 57a, the ball valves 54a are simultaneously opened and closed in conjunction with each other. The configuration of the drive unit of the manual ball valve 54b is the same as described above.
【００１４】[0014]
【発明の効果】本発明の多数の弁の連動切替装置におい
ては、弁として手動ボール弁を用い、同ボール弁の全て
のハンドルのそれぞれにリンク板を取付け、その全ての
リンク板を共通の１本のリンクレバーに回動可能にピン
結合し、同リンク板の一端に油圧アクチュエータ或いは
空気式シリンダーを接続し、全部のボール弁を連動させ
るので燃焼器内の燃焼が均一となり過渡的にガスタービ
ンが出力低下を起さないのでガスタービン燃焼器の信頼
性が向上する。又、手動ボール弁、リンク機構及び油圧
アクチュエータ或いは空気式シリンダーで構成されてい
るので従来の切替弁に比べて製作費が削減される。In the interlocking switching device for a large number of valves according to the present invention, a manual ball valve is used as a valve, and a link plate is attached to each of all the handles of the ball valve. The link lever is pivotally connected to a pin, and a hydraulic actuator or a pneumatic cylinder is connected to one end of the link plate, and all the ball valves are interlocked. Does not cause a decrease in output, so that the reliability of the gas turbine combustor is improved. In addition, since it is composed of a manual ball valve, a link mechanism, a hydraulic actuator or a pneumatic cylinder, the production cost is reduced as compared with the conventional switching valve.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の実施の一形態に係る多数弁連動切替装
置の系統図。FIG. 1 is a system diagram of a multiple valve interlocking switching device according to an embodiment of the present invention.
【図２】図１のＡ部の詳細図。FIG. 2 is a detailed view of a part A in FIG.
【図３】従来のガスタービンの燃料供給系統図。FIG. 3 is a fuel supply system diagram of a conventional gas turbine.
５１ フローデバイダー ５２，５２’ 燃料供給管 ５３ 逆止弁 ５４ａ，５４ｂ 手動ボール弁 ５５ａ，５５ｂ ハンドル ５６ａ，５６ｂ リンクレバー ５７ａ，５７ｂ 油圧アクチュエータ或いは空気式シ
リンダー ５８ 燃料戻り管 ５９ 管寄せ ６０ａ リンク板 ６１ａ ピン ６２ａ 軸51 Flow divider 52, 52 'Fuel supply pipe 53 Check valve 54a, 54b Manual ball valve 55a, 55b Handle 56a, 56b Link lever 57a, 57b Hydraulic actuator or pneumatic cylinder 58 Fuel return pipe 59 Headliner 60a Link plate 61a Pin 62a axis
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) F23K 5/06 F02C 7/228 F02C 7/232 F02D 11/10 F16K 31/44 F16K 5/06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) F23K 5/06 F02C 7/228 F02C 7/232 F02D 11/10 F16K 31/44 F16K 5/06
Claims (1)
ルへ向かう燃料供給管に設けられたフローデバイダーの
下流側の燃料供給管に配設される多数の弁の連動切替装
置において、前記燃料供給管から分岐して多数の弁を配
設した燃料戻り管を設け、前記燃料供給管及び燃料戻り
管にそれぞれ配設された弁は手動ボール弁を用い、前記
燃料供給管側及び燃料戻り管側のそれぞれにおいて、手
動ボール弁の全てのハンドルのそれぞれにリンク板を取
付け、各全てのリンク板をそれぞれ共通の１本のリンク
レバーに回動可能にピン結合し、各リンクレバーの一端
にそれぞれ油圧アクチュエータ或いは空気式シリンダー
を接続し、それぞれ全部のボール弁を連動させることを
特徴とする多数弁連動切替装置。1. An interlocking switching device for a number of valves disposed on a fuel supply pipe downstream of a flow divider provided on a fuel supply pipe directed to a dual fuel nozzle of a gas turbine combustor, wherein the fuel supply pipe has Branch and arrange many valves
The fuel supply pipe and the fuel return pipe.
Each disposed a valve in the tube using a manual ball valve, the
At each of the fuel supply pipe side and the fuel return pipe side,
Mounting the link plates in each of all handles dynamic ball valve, each and every link plate were pin pivotally connected to the respective common one of the link lever, to one end hydraulic actuators or pneumatic each link levers connect the cylinder number valve interlock switching device, characterized in that to link all of the ball valve, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09175731A JP3122391B2 (en) | 1997-07-01 | 1997-07-01 | Multi-valve interlocking switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09175731A JP3122391B2 (en) | 1997-07-01 | 1997-07-01 | Multi-valve interlocking switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1122954A JPH1122954A (en) | 1999-01-26 |
| JP3122391B2 true JP3122391B2 (en) | 2001-01-09 |
Family
ID=16001261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09175731A Expired - Lifetime JP3122391B2 (en) | 1997-07-01 | 1997-07-01 | Multi-valve interlocking switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3122391B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5578552B2 (en) * | 2010-05-25 | 2014-08-27 | アクアインテック株式会社 | Sand collector |
| JP6276085B2 (en) | 2014-03-27 | 2018-02-07 | 平田機工株式会社 | Test equipment and test unit |
| US10337412B2 (en) * | 2016-06-16 | 2019-07-02 | General Electric Company | Liquid fuel control valve for gas turbine engine and method for controlling flow of liquid fuel to engine |
-
1997
- 1997-07-01 JP JP09175731A patent/JP3122391B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1122954A (en) | 1999-01-26 |
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