JPS60144504A - Method of controlling feedwater to boiler for operation of pressure change - Google Patents
Method of controlling feedwater to boiler for operation of pressure changeInfo
- Publication number
- JPS60144504A JPS60144504A JP24727683A JP24727683A JPS60144504A JP S60144504 A JPS60144504 A JP S60144504A JP 24727683 A JP24727683 A JP 24727683A JP 24727683 A JP24727683 A JP 24727683A JP S60144504 A JPS60144504 A JP S60144504A
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- boiler
- rotation speed
- water
- pump drive
- 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
Landscapes
- Incineration Of Waste (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
【発明の詳細な説明】
〔発□明の利用分野〕
本発明は変圧運転用ボイラとタービンとタービン駆動給
水ポンプより成る発電供給設置における給水制御方法に
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a water supply control method in a power generation supply installation comprising a boiler for variable pressure operation, a turbine, and a turbine-driven water supply pump.
第１図は、本発明の対象である電気の供給設備の例を示
す。変圧運転用ボイラ１で発生した蒸気は、発電機２に
駆動する抽気復水タービン３に供給される。蒸気は復水
器４により給水となるが、一部の蒸気は給水ポンプ駆動
タービン５に供給される。給水制御装［！７は、電気の
供給設備に要求（１）
される発電量から給水デマンドを設定し、給水流量検出
器８が給水流量を検出し、これを給水ポンプ制御装置９
が給水デマンドと比較演算して、給水ポンプ駆動タービ
ン回転数デマンドを設定し、給水ポンプ駆動タービン制
御装置１１０を操作することにより、この設備の給水制
御を行なっている。FIG. 1 shows an example of an electricity supply facility that is the object of the present invention. Steam generated in the boiler 1 for variable pressure operation is supplied to an extraction condensation turbine 3 that drives a generator 2. The steam is turned into feed water by the condenser 4, and some of the steam is supplied to the feed water pump driving turbine 5. Water supply control system [! 7 sets the water supply demand from the amount of power generation required (1) to the electricity supply equipment, the water supply flow rate detector 8 detects the water supply flow rate, and the water supply pump control device 9 detects the water supply flow rate.
performs a comparison calculation with the water supply demand, sets the water supply pump drive turbine rotation speed demand, and operates the water supply pump drive turbine control device 110 to control the water supply of this equipment.
なお、図中６は回転数検出器である。In addition, 6 in the figure is a rotation speed detector.
変圧器転用ボイラが設置された電気供給設備で、給水圧
力を考慮せずに、給水ポンプ駆動タービンの回転数設考
を行なう場合、給水デマンドに対し即応性に欠け、収斂
を遅くし、その効果を減じていた。In electricity supply equipment equipped with a transformer diversion boiler, if the rotation speed of the water pump drive turbine is designed without considering the water supply pressure, it will lack quick response to the water supply demand, slow down convergence, and reduce its effects. was decreasing.
本発明の目的は、給水圧力を考慮して給水ポンプ駆動タ
ービンの回転数設定を決定することにより、要求発電量
に対する発電設備の追従性に対する効果を良くする制御
方法を提供するにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a control method that improves the ability of power generation equipment to follow the required power generation amount by determining the rotation speed setting of a water supply pump drive turbine in consideration of the water supply pressure.
本発明の要点は、給水圧力から給水ポンプの給水可能回
転数を算出し、これに給水デマンドと給（２）
水圧力から算出した給水量に必要とされる回転数を加算
し、これを給水、ポンプ駆動タービン回転数設定値とす
るにある。The main point of the present invention is to calculate the number of revolutions at which water can be supplied by the water supply pump from the water supply pressure, add the required number of revolutions to the water supply amount calculated from the water supply demand and supply (2) water pressure, and , to set the pump drive turbine rotation speed.
以下、本発明の一実施例を第２図により説明する。 An embodiment of the present invention will be described below with reference to FIG.
図において、給水圧力検出器２１により検出された給水
圧力を給水ポンプ制御装置９に入力し、給水制御装置７
が出力した給水デマンドと合わせて演算し、要求給水量
に必要とされる回転数を決定し、これに、給水圧力検出
器２１により検出された給水圧力を演算装置２２に入力
し、給水ポンプの給水可能回転数を加算して、給水ポン
プ駆動タービン回転数デマンドを設定し、給水ポンプ駆
動タービン制御装置１０を操作する。In the figure, the water supply pressure detected by the water supply pressure detector 21 is input to the water supply pump control device 9, and
calculates the rotation speed required for the required water supply amount by calculating the water supply demand outputted by The water supply pump drive turbine rotation speed demand is set by adding the water supply possible rotation speed, and the water supply pump drive turbine control device 10 is operated.
本実施例によれば、給水圧力の著しい変化を併う給水デ
マンドの変化に対する追従性を向上することができる。According to this embodiment, it is possible to improve the ability to follow changes in water supply demand that are accompanied by significant changes in water supply pressure.
本発明によれば、ボイラ給水量を安全に、早く（３）
追従させることが可能となり、プラント出力の要求出力
に対する追従性を向上することができる。According to the present invention, it is possible to safely and quickly (3) follow the boiler water supply amount, and it is possible to improve the followability of the plant output to the required output.
第１図は、従来の技術のブロック図、第２図は本発明の
一実施例のブロック図である。
９・・・給水ポンプ制御装置、１０・・・給水ポンプ駆
動タービン制御装置、１１・・・給水ポンプ、２１・・
・給水圧力検出器、２２・・・演算装置。
代理人 弁理士 高橋明夫
（４）
＄１閉
穿２（！１FIG. 1 is a block diagram of a conventional technique, and FIG. 2 is a block diagram of an embodiment of the present invention. 9... Water supply pump control device, 10... Water supply pump drive turbine control device, 11... Water supply pump, 21...
- Water supply pressure detector, 22... calculation device. Agent Patent Attorney Akio Takahashi (4) $1 Closure 2 (!1
Claims (1)
ラ給水圧力とから給水ポンプ駆動タービンの要求回転数
を演算し、これを回転数設定値として給水ポンプ駆動タ
ービン回転数を制御することを特徴とする変圧運転用ボ
イラの給水制御方法。■ Calculate the required rotation speed of the water pump drive turbine from the required water supply amount calculated from the required amount of electricity and the boiler feed water pressure, and use this as the rotation speed setting value to control the rotation speed of the water supply pump drive turbine. A water supply control method for a boiler for variable pressure operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24727683A JPS60144504A (en) | 1983-12-30 | 1983-12-30 | Method of controlling feedwater to boiler for operation of pressure change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24727683A JPS60144504A (en) | 1983-12-30 | 1983-12-30 | Method of controlling feedwater to boiler for operation of pressure change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60144504A true JPS60144504A (en) | 1985-07-30 |
Family
ID=17161053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24727683A Pending JPS60144504A (en) | 1983-12-30 | 1983-12-30 | Method of controlling feedwater to boiler for operation of pressure change |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144504A (en) |
-
1983
- 1983-12-30 JP JP24727683A patent/JPS60144504A/en active Pending
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