JPS62135605A - Two-phase flow turbine, steam turbine combined-type generating plant - Google Patents
Two-phase flow turbine, steam turbine combined-type generating plantInfo
- Publication number
- JPS62135605A JPS62135605A JP27497285A JP27497285A JPS62135605A JP S62135605 A JPS62135605 A JP S62135605A JP 27497285 A JP27497285 A JP 27497285A JP 27497285 A JP27497285 A JP 27497285A JP S62135605 A JPS62135605 A JP S62135605A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- turbine
- phase flow
- flow turbine
- steam turbine
- 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
Links
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は二相流タービン、蒸気タービン併用型発電プ
ラントに関し、特に二相流タービンと蒸気タービンとの
結合手段、および運転制御手段の改良に係るものである
。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a power plant that combines a two-phase flow turbine and a steam turbine, and particularly relates to an improvement in a means for coupling a two-phase flow turbine and a steam turbine, and an operation control means. This is related.
従来例によるこの種の二相流タービン、蒸気タービン併
用型発電プラントにおいては、二相流タービンと蒸気タ
ービンとの結合手段として、通常。In conventional two-phase flow turbine and steam turbine combined power generation plants of this type, the coupling means between the two-phase flow turbine and the steam turbine is usually used.
上流側に配される二相流タービンと、下流側に配される
蒸気タービンとを相互に直結結合させておυ、その調速
制御については、前者二相流タービンの入口加減弁のみ
を開度調整して行なわせるようにしているのである。The two-phase turbine placed on the upstream side and the steam turbine placed on the downstream side are directly connected to each other. We are trying to make them do it by adjusting the speed.
〔発明が解決しようとする問題点〕′
しかしながら前記構成による従来の二相流タービン、蒸
気タービン併用型発電プラントにあって、二相流タービ
ンは、通常の具合、二次セパレータによるフラッシュ手
段、および分離される液体回収手段をそれぞれに含んで
いることから、比較的大きな容量を有すると共に、機構
構成も複雑化されていて、一般的にその起動制御、なら
びに調速制御などが困難であるという不都合があった。[Problems to be Solved by the Invention]' However, in the conventional two-phase flow turbine and steam turbine combined power generation plant having the above configuration, the two-phase flow turbine has no flushing means using a secondary separator, and Since each of them includes a liquid recovery means to be separated, it has a relatively large capacity and has a complicated mechanical configuration, making it generally difficult to control its startup and speed control. was there.
この発明は従来のこのような問題点を改善するためにな
されたものであって、その目的とするところは、起動、
ならびに調速などの運転制御を容易に行ない得る二相流
タービン、蒸気タービン併用型発電プラントを提供する
ことである。This invention was made to improve these conventional problems, and its purpose is to
Another object of the present invention is to provide a power generation plant using a two-phase turbine and a steam turbine in which operation control such as speed regulation can be easily performed.
Ｃ問題点を解決するだめの手段〕
前記目的を達成するために、この発明に係る二相流ター
ビン、蒸気タービン併用型発電プラントは、二相流ター
ビンと蒸気タービンとの結合手段として、二相流タービ
ンの回転速度が蒸気タービンの回転速度を超えたときに
、これらの両タービンを直結結合するオーパラ／クラッ
チを用いることによシ、蒸気タービン主体の制御操作に
よってプラント全体の運転を簡単かつ容易に行ない得る
ようにしたものである。Means for Solving Problem C] In order to achieve the above object, the two-phase flow turbine and steam turbine combined power generation plant according to the present invention uses a two-phase flow turbine and a steam turbine as a coupling means for the two-phase flow turbine and the steam turbine. When the rotational speed of the flow turbine exceeds the rotational speed of the steam turbine, the operation of the entire plant is simplified and facilitated by controlling the steam turbine mainly by using an Opara/clutch that directly connects the two turbines. It was designed so that it could be carried out.
すなわち、この発明においては、二相流タービンと蒸気
タービンとをカムクラッチによ多結合させることにより
、プラント起動時には、蒸気タービンを始動・昇速させ
て、発電機の同期投入後に、二相流タービンを協働させ
、かつまた発電機の切離し時には、蒸気タービンのみを
調速させ得るもので、二相流タービンよりも一層操作の
容易な蒸気タービン主体の制御によって、これらの両タ
ービン、ひいてはプラント全体の運転制御性を向上でき
る。That is, in this invention, the two-phase flow turbine and the steam turbine are multi-coupled with a cam clutch, so that when the plant is started up, the steam turbine is started and speeded up, and after the generator is synchronized, the two-phase flow is started. By making the turbines work together, and when the generator is disconnected, only the steam turbine can be controlled, which is easier to operate than a two-phase flow turbine. Overall operational controllability can be improved.
以下、この発明に係る二相流タービン、蒸気タービン併
用型発電プラントの一実施例につき、添付図面を参照し
て詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a two-phase turbine and steam turbine combined power generation plant according to the present invention will be described in detail below with reference to the accompanying drawings.
添付図面はこの実施例による二相流タービン。The accompanying drawing shows a two-phase flow turbine according to this embodiment.
蒸気タービン併用型発電プラントの概要を示すブロック
構成図である。FIG. 1 is a block configuration diagram showing an overview of a steam turbine combined power generation plant.
同図において、符号１１は作動流体としての熱水を導入
する気水分離器（セパレータ）、１２はこの気水分離器
１１を経た熱水を入口加減弁１３の調整によって導入す
る二相流タービン、１４は前記気水分離器１１によシ気
水分離された一次蒸気を蒸気加減弁１５の調整によって
導入すると共に、前記二相流タービン１２から排出され
る二次蒸気を蒸気遮断弁１６を介して導入する蒸気ター
ビン、１１はこの蒸気タービン１４に同軸結合された発
電機、１８は前記二相流タービン１２０回転速度が、前
記蒸気タービン１４の回転速度を超えたときに、これら
の両タービン１２．１４の相互を、例えば遠心作用によ
って直結結合するカムクラッチ、１９は前記蒸気タービ
ン１４の排気を冷却復水する熱交換器である。In the figure, reference numeral 11 is a steam/water separator (separator) that introduces hot water as a working fluid, and 12 is a two-phase flow turbine that introduces the hot water that has passed through the steam/water separator 11 by adjusting the inlet control valve 13. , 14 introduces the primary steam separated from steam and water by the steam water separator 11 by adjusting the steam control valve 15, and introduces the secondary steam discharged from the two-phase flow turbine 12 through the steam cutoff valve 16. 11 is a generator coaxially connected to this steam turbine 14; 18 is a generator that is introduced through the two-phase turbine 120 when the rotational speed of the two-phase flow turbine 120 exceeds the rotational speed of the steam turbine 14; A cam clutch 12 and 14 are directly connected to each other by, for example, centrifugal action, and a heat exchanger 19 cools and condenses the exhaust gas of the steam turbine 14.
従ってこの実施例構成による発電プラントにあっては、
次のように運転制御される。Therefore, in the power generation plant with the configuration of this embodiment,
The operation is controlled as follows.
すなわち、プラント起動時には、オーバランクランチ１
８による二相流タービン１２と蒸気タービン１４との結
合が解かれておシ、この状態で、まず蒸気加減弁１５を
、例えばガバナーなどから得られる回転速度制御信号に
よシ開度調整して、気水分離器１１によって気水分離さ
れた一次蒸気を蒸気タービン１４に導入し、この蒸気タ
ービン１４を回転始動させ、かつ次第に昇速させる。つ
いで前記蒸気タービン１４が所定の回転速度に達して、
発電機１７を同期投入させた後は、蒸気遮断弁１６を全
開しさらに入口加減弁１３を開度調整し、入口加減弁１
３によっては、前記気水分離器１１に一旦、受入れた熱
水を二相流タービン１２に導入してこれを回転駆動させ
ると共に、この二相流タービン１２の回転駆動に伴ない
フラッシュされて排出される二次蒸気を、蒸気遮断弁１
６を介し前記蒸気タービン１４に導入してその回転駆動
を助長させる。その後、前記二相流タービン１２の回転
速度が、先に回転駆動されている蒸気タービン１４０回
転速度を超えると、前記オーパラ／クラッチ１８が働い
てこれらの二相流タービン１２と蒸気タービン１４とを
直結結合させ、プラントの運転は、との二相流タービン
１２を蒸気タービン１４に協働させて、発電機１７への
回転現動力を増加伝達させて行なうのである。In other words, when starting up the plant, overrun crunch 1
The connection between the two-phase flow turbine 12 and the steam turbine 14 by 8 is released, and in this state, the opening degree of the steam control valve 15 is first adjusted by a rotational speed control signal obtained from, for example, a governor. The primary steam separated by steam and water by the steam and water separator 11 is introduced into the steam turbine 14, and the steam turbine 14 is started to rotate and gradually increased in speed. Then, when the steam turbine 14 reaches a predetermined rotational speed,
After synchronously turning on the generator 17, the steam cutoff valve 16 is fully opened, and the opening of the inlet control valve 13 is adjusted.
3, the hot water once received by the steam/water separator 11 is introduced into the two-phase flow turbine 12 and driven to rotate, and is flushed and discharged as the two-phase flow turbine 12 is driven to rotate. Steam cutoff valve 1
6 to the steam turbine 14 to promote its rotational drive. Thereafter, when the rotational speed of the two-phase flow turbine 12 exceeds the rotational speed of the steam turbine 140 that was previously rotationally driven, the Opara/clutch 18 operates to connect the two-phase flow turbine 12 and the steam turbine 14. With the direct coupling, the plant is operated by cooperating the two-phase flow turbine 12 with the steam turbine 14 and increasing the rotational current power to the generator 17.
そして定常運転時には、前記入口加減弁１３を全開にし
て、前記二相流タービン１２のフル稼動をなし、プラン
トの運転は、主として前記蒸気加減弁１５の開度制御に
よシ、前記蒸気タービン１４の出力調整又はセパレータ
１１の圧力制御を行い、また需要電力網からの前記発電
機１１の切離し時には、前記入口加減弁１３．および蒸
気遮断弁１６を閉じて、二相流タービン１２を停止させ
ておき、その間、プラントの運転は、前記蒸気加減弁１
５の開度制御により、蒸気タービン１４のみを調速運転
させて行なうのである。During steady operation, the inlet control valve 13 is fully opened and the two-phase turbine 12 is operated at full capacity. output adjustment or pressure control of the separator 11, and when disconnecting the generator 11 from the demand power grid, the inlet control valve 13. and the steam cutoff valve 16 is closed to stop the two-phase flow turbine 12, and during that time, the operation of the plant is controlled by the steam control valve 1.
5, only the steam turbine 14 is operated at a controlled speed.
この実施例構成による発電プラントでは、二相流タービ
ンと蒸気タービンとを併用する場合にあって、このよう
により一層操作の容易な蒸気タービン１４を主体とする
制御によシ、プラント全体の運転制御を簡単に行なうこ
とができるのである。In the power generation plant according to the configuration of this embodiment, when a two-phase flow turbine and a steam turbine are used together, the control mainly based on the steam turbine 14, which is easier to operate, is used to control the operation of the entire plant. can be done easily.
以上詳述したようにこの発明に係る発電プラントによる
ときは、二相υＬメタ−ンと蒸気タービンとの結合手段
として、二相流タービンの回転速度が蒸気タービンの回
転速度を超えたときに、これらの両タービン相互を直結
結合するオーバランクラッチを用いたので、各加減弁の
開閉、ならびに開度調整制御によシ、プラント起動時に
は、蒸気タービンを始動・昇速させ、発電機の同期投入
後に、二相流タービンをこの蒸気タービンに協働させて
プラントを運転制御でき、また発電機の切離し時には、
二相流タービンを停止させた状態で、蒸気タービンのみ
を調速させて同様に運転制御し得ると共に、この切離し
時は、蒸気タービンの駆動中でも二相流タービンの点検
などが可能であり、ここでは二相流タービンよシも一層
操作の容易な蒸気タービンを主体とする制御によって、
プラントの起動１回転駆動、ならびに停止の各操作を極
めて簡単に行なうことができ、これらの両タービン、ひ
いてはプラント全体の運転制御性を良好にしかも効果的
に向上できるなどの特徴がある。As detailed above, in the power plant according to the present invention, as a means for coupling the two-phase υL methane and the steam turbine, when the rotational speed of the two-phase flow turbine exceeds the rotational speed of the steam turbine, Since we use an overrun clutch that directly connects these two turbines to each other, we can control the opening and closing of each regulating valve, as well as the opening adjustment control. , a two-phase flow turbine can cooperate with this steam turbine to control the plant operation, and when the generator is disconnected,
While the two-phase turbine is stopped, only the steam turbine can be controlled in the same way, and when disconnected, the two-phase turbine can be inspected even while the steam turbine is running. By controlling the steam turbine, which is easier to operate than the two-phase flow turbine,
The plant can be started up, driven one rotation, and stopped with great ease, and the operation controllability of both of these turbines and, by extension, the entire plant can be improved effectively.
添付図面はこの発明に係る二相流タービン、蒸気タービ
ン併用型発電プラントの概要を示すブロック構成図であ
る。
１１・・・・気水分離器、１２・・・・二相流タービン
、１３・会・・入口加減弁、１４１１・・・蒸気タービ
ン、１５・・会・蒸気加減弁、１６・・・・蒸気遮断弁
、１７・・・・発電機、１８・・・φオーバランクラッ
チ。The accompanying drawing is a block configuration diagram showing an outline of a two-phase turbine and steam turbine combined power generation plant according to the present invention. 11...Steam water separator, 12...Two-phase flow turbine, 13...Inlet control valve, 1411...Steam turbine, 15...Steam control valve, 16... Steam cutoff valve, 17...generator, 18...φ overrun clutch.
Claims (1)
の熱水を入口加減弁を介し導入して回転駆動される二相
流タービンと、前記気水分離器により気水分離された一
次蒸気を蒸気加減弁を介し、また前記二相流タービンか
ら排出される二次蒸気を蒸気遮断弁を介しそれぞれに導
入して回転駆動される蒸気タービンと、蒸気タービンに
同軸結合された発電機と、前記二相流タービンの回転速
度が前記蒸気タービンの回転速度を超えたときに、これ
らの両タービンを直結結合するオーバランクラッチとを
備え、プラント起動時には、前記蒸気加減弁の調整によ
り蒸気タービンを始動・昇速させると共に、発電機の同
期投入後に前記入口加減弁、および蒸気遮断弁を開いて
二相流タービンを協働させ、また発電機の切離し時には
、これらの入口加減弁、および蒸気遮断弁を閉じて蒸気
タービンのみを調速運転させ得るようにしたことを特徴
とする二相流タービン、蒸気タービン併用型発電プラン
ト。A steam-water separator with hot water as a working fluid, a two-phase flow turbine driven to rotate by introducing the hot water from the steam-water separator through an inlet control valve, and a steam-water separator that separates steam and water by the steam-water separator. A steam turbine is rotatably driven by introducing primary steam from the two-phase flow turbine through a steam control valve and secondary steam discharged from the two-phase flow turbine through a steam cutoff valve, and a power generation unit coaxially connected to the steam turbine. and an overrun clutch that connects both turbines directly when the rotational speed of the two-phase flow turbine exceeds the rotational speed of the steam turbine. In addition to starting and speeding up the turbine, after synchronizing the generator, the inlet control valve and the steam cutoff valve are opened to operate the two-phase flow turbine, and when the generator is disconnected, these inlet control valves and A power generation plant using a two-phase flow turbine and a steam turbine, characterized in that a steam cutoff valve is closed so that only the steam turbine can be operated at a controlled speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27497285A JPS62135605A (en) | 1985-12-09 | 1985-12-09 | Two-phase flow turbine, steam turbine combined-type generating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27497285A JPS62135605A (en) | 1985-12-09 | 1985-12-09 | Two-phase flow turbine, steam turbine combined-type generating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62135605A true JPS62135605A (en) | 1987-06-18 |
Family
ID=17549126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27497285A Pending JPS62135605A (en) | 1985-12-09 | 1985-12-09 | Two-phase flow turbine, steam turbine combined-type generating plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62135605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170504A (en) * | 1994-12-16 | 1996-07-02 | Kawasaki Heavy Ind Ltd | Geothermal electric power generation facility |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5260320A (en) * | 1975-11-12 | 1977-05-18 | Nissan Motor Co Ltd | Two shaft gas turbine |
| JPS6088806A (en) * | 1983-10-21 | 1985-05-18 | Mitsui Eng & Shipbuild Co Ltd | Waste heat recoverer for internal-combustion engine |
-
1985
- 1985-12-09 JP JP27497285A patent/JPS62135605A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5260320A (en) * | 1975-11-12 | 1977-05-18 | Nissan Motor Co Ltd | Two shaft gas turbine |
| JPS6088806A (en) * | 1983-10-21 | 1985-05-18 | Mitsui Eng & Shipbuild Co Ltd | Waste heat recoverer for internal-combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170504A (en) * | 1994-12-16 | 1996-07-02 | Kawasaki Heavy Ind Ltd | Geothermal electric power generation facility |
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