JPS604702U - Turbine control device for driving water pump - Google Patents
Turbine control device for driving water pumpInfo
- Publication number
- JPS604702U JPS604702U JP9780783U JP9780783U JPS604702U JP S604702 U JPS604702 U JP S604702U JP 9780783 U JP9780783 U JP 9780783U JP 9780783 U JP9780783 U JP 9780783U JP S604702 U JPS604702 U JP S604702U
- Authority
- JP
- Japan
- Prior art keywords
- pressure steam
- low
- turbine
- water supply
- control device
- 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.)
- Granted
Links
Landscapes
- Control Of Turbines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は汽力発電プラントの負荷に対する給水ポンプお
よびその駆動用タービンの運転特性を示すグラフ、第２
図は汽力発電プラントの負荷と給水ポンプ駆動用タービ
ンの排気温度特性の関係を示すグラフ、第３図は給水ポ
ンプ駆動用タービンの排気温度上昇を説明する蒸気膨張
図、第４図はこの考案に係る給水ポンプ駆動用タービン
の制御装置を組み込んだ汽力発電プラントの系統図、第
５図は給水ポンプ駆動用タービンへ駆動蒸気を供給する
蒸気加減弁の制御機構を示す図、第６図ＡおよびＢはこ
の考案の効果を説明するもので、第６図Ａは低圧蒸気仕
切弁および蒸気加減弁の弁開度と汽力発電プラントの負
荷との関係を示すグラフ、第６図Ｂは給水ポンプ駆動用
タービンへ供給される蒸気量と汽力発電プラントの負荷
との関係を示すグラフ、第７図は低圧蒸気仕切弁の弁作
動を制御する仕切弁制御装置のブロック図、第８図は各
蒸気加減弁の弁開度を制御する制御機構のブロック図で
ある。
１０・・・ボイラ、１２・・・主タービン、１３・・・
高圧タービン、１７・・・中圧タービン、１８・・・再
熱器、２０・・・低圧タービン、２４・・・復水器、２
５・・・復水ポンプ、２６・・・低圧給水加熱器、２７
・・・脱気器、２８・・・給水ポンプ、２９・・・高圧
給水加熱器、３１・・・給水系統、３３・・・給水ポン
プ駆動用タービン、３４・・・高圧タービン抽気（高圧
蒸気ライン）、３５・・・高圧蒸気加減弁、３７・・・
低圧タービン抽気（低圧蒸気ライン）、３８・・・低圧
蒸気仕切弁、４０・・・低圧蒸気加減弁、４１・・・仕
切弁制御装置、４３・・・排気管、−５０・・・カム機
構、６０・・・加減弁駆動装置、６１・・・給水ポンプ
制御装置。Figure 1 is a graph showing the operating characteristics of the water supply pump and its driving turbine against the load of a steam power generation plant;
The figure is a graph showing the relationship between the load of a steam power generation plant and the exhaust temperature characteristics of the turbine that drives the water supply pump, Figure 3 is a steam expansion diagram that explains the exhaust temperature rise of the turbine that drives the water supply pump, and Figure 4 is based on this idea. A system diagram of a steam power generation plant incorporating such a control device for a turbine for driving a feedwater pump, FIG. 5 is a diagram showing a control mechanism for a steam control valve that supplies driving steam to a turbine for driving a feedwater pump, and FIGS. 6A and B Figure 6A is a graph showing the relationship between the valve opening degrees of the low-pressure steam gate valve and steam control valve and the load of a steam power generation plant, and Figure 6B is a graph for driving a water supply pump. A graph showing the relationship between the amount of steam supplied to the turbine and the load of the steam power generation plant. Figure 7 is a block diagram of the gate valve control device that controls the valve operation of the low-pressure steam gate valve. Figure 8 is a diagram of each steam control valve. FIG. 3 is a block diagram of a control mechanism that controls the valve opening degree of the valve. 10... Boiler, 12... Main turbine, 13...
High pressure turbine, 17... Intermediate pressure turbine, 18... Reheater, 20... Low pressure turbine, 24... Condenser, 2
5... Condensate pump, 26... Low pressure feed water heater, 27
... Deaerator, 28 ... Water supply pump, 29 ... High pressure feed water heater, 31 ... Water supply system, 33 ... Water supply pump driving turbine, 34 ... High pressure turbine extraction (high pressure steam line), 35...high pressure steam control valve, 37...
Low pressure turbine extraction air (low pressure steam line), 38...Low pressure steam gate valve, 40...Low pressure steam control valve, 41...Gate valve control device, 43...Exhaust pipe, -50...Cam mechanism , 60... Adjustment valve drive device, 61... Water supply pump control device.
Claims (1)
け、この給水ポンプを駆動する給水ポンプ駆動用タービ
ンに、低圧蒸気を供給する低圧蒸気ラインと高圧蒸気を
供給する高圧蒸気ラインとを接続したものにおいて、上
記低圧蒸気ラインに低圧蒸気仕切弁を設け、発電プラン
トの低負荷運転時に、前記低圧蒸気仕切弁を閉じ、高圧
蒸気で給水ポンプ駆動用タービンを駆動させるようにし
たことを特徴とする給水ポンプ駆動用タービンの制御装
置。 ２ 低圧蒸気仕切弁は仕切弁制御装置に連係され、上記
仕切弁制御装置は給水ポンプ駆動用タービンの排気温度
が規定値以上あるいに低圧蒸気圧力が規定値以下で低圧
蒸気仕切弁を閉じるようにした実用新案登録請求の範囲
第１項に記載の給水ポンプ駆動用タービンの制御装置。 ３ 低圧蒸気ラインは、中圧タービンからのタービン抽
気管であり、この抽気管には低圧蒸気仕切弁とシリーズ
に低圧蒸気加減弁が設けられた実用新案登録請求の範囲
第１項に記載の給水ポンプ駆動用タービンの制御装置。[Scope of Claim for Utility Model Registration] 1. A water supply pump is provided in the water supply system that supplies water to the boiler, and a low-pressure steam line that supplies low-pressure steam and high-pressure steam are supplied to a turbine for driving the water supply pump that drives this water pump. In a device that is connected to a high-pressure steam line, a low-pressure steam gate valve is provided in the low-pressure steam line, and during low-load operation of the power generation plant, the low-pressure steam gate valve is closed and the high-pressure steam is used to drive the water supply pump driving turbine. A control device for a turbine for driving a water supply pump, characterized in that: 2. The low-pressure steam gate valve is linked to a gate valve control device, and the gate valve control device closes the low-pressure steam gate valve when the exhaust temperature of the turbine for driving the water supply pump is above a specified value or when the low-pressure steam pressure is below a specified value. A control device for a turbine for driving a water supply pump as claimed in claim 1. 3. The low pressure steam line is a turbine bleed pipe from an intermediate pressure turbine, and this bleed pipe is provided with a low pressure steam gate valve and a low pressure steam control valve in series. Control device for the pump drive turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9780783U JPS604702U (en) | 1983-06-24 | 1983-06-24 | Turbine control device for driving water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9780783U JPS604702U (en) | 1983-06-24 | 1983-06-24 | Turbine control device for driving water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS604702U true JPS604702U (en) | 1985-01-14 |
| JPH0320482Y2 JPH0320482Y2 (en) | 1991-05-02 |
Family
ID=30232490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9780783U Granted JPS604702U (en) | 1983-06-24 | 1983-06-24 | Turbine control device for driving water pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604702U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524902A (en) * | 1975-07-02 | 1977-01-14 | Hitachi Ltd | Driving turbine for feed-water pump of boiler |
-
1983
- 1983-06-24 JP JP9780783U patent/JPS604702U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524902A (en) * | 1975-07-02 | 1977-01-14 | Hitachi Ltd | Driving turbine for feed-water pump of boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0320482Y2 (en) | 1991-05-02 |
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