JPS6354905U - - Google Patents
Info
- Publication number
- JPS6354905U JPS6354905U JP14492486U JP14492486U JPS6354905U JP S6354905 U JPS6354905 U JP S6354905U JP 14492486 U JP14492486 U JP 14492486U JP 14492486 U JP14492486 U JP 14492486U JP S6354905 U JPS6354905 U JP S6354905U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- steam
- output signal
- pressure difference
- difference calculator
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Description
第１図は本考案の一実施例の系統図、第２図は
従来のものの系統図、第３図は第１図のものの稼
動時刻と圧力との関係を示す線図、第４図は従来
のものについて第３図と同一状況を示した線図で
ある。
１……ボイラ、３……気水ドラム、７……給水
ポンプ、８……給水調整弁、１１……蒸気ヘツダ
、１６……給水圧力検出器、１７……蒸気圧力検
出器、１８……圧力差演算器、１９……圧力調整
器、２０……インバータ。
Fig. 1 is a system diagram of an embodiment of the present invention, Fig. 2 is a system diagram of a conventional system, Fig. 3 is a diagram showing the relationship between operating time and pressure of the system shown in Fig. 1, and Fig. 4 is a diagram of the conventional system. FIG. 3 is a diagram showing the same situation as FIG. 1...Boiler, 3...Air water drum, 7...Water pump, 8...Water supply adjustment valve, 11...Steam header, 16...Water pressure detector, 17...Steam pressure detector, 18... Pressure difference calculator, 19...pressure regulator, 20...inverter.
Claims (1)
した蒸気を蒸気ヘツダに排出する蒸気ボイラ系に
おいて、前記給水ポンプ出口と蒸気ヘツダ入口の
各々に圧力検出器を取付けると共に、該両圧力検
出器の出力信号値のレベル差を演算する圧力差演
算器を設け、該圧力差演算器には、該圧力差演算
器の出力信号値とあらかじめ設定した所定圧力差
とを比較する圧力調節器を接続し、該圧力調節器
に、該圧力調節器の出力信号を受けて前記給水ポ
ンプの駆動用モータの速度制御を行うインバータ
を接続したことを特徴とする蒸気ボイラ用給水ポ
ンプの運転制御装置。 In a steam boiler system that is supplied with water by a feedwater pump and discharges steam generated by the boiler to a steam header, a pressure detector is installed at each of the feedwater pump outlet and the steam header inlet, and the output signal values of both pressure detectors are A pressure difference calculator is provided to calculate a level difference, and a pressure regulator is connected to the pressure difference calculator to compare the output signal value of the pressure difference calculator with a preset predetermined pressure difference, and the pressure is adjusted. 1. An operation control device for a feed water pump for a steam boiler, characterized in that an inverter is connected to the pressure regulator for controlling the speed of a driving motor of the feed water pump in response to an output signal from the pressure regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14492486U JPS6354905U (en) | 1986-09-20 | 1986-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14492486U JPS6354905U (en) | 1986-09-20 | 1986-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6354905U true JPS6354905U (en) | 1988-04-13 |
Family
ID=31055984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14492486U Pending JPS6354905U (en) | 1986-09-20 | 1986-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6354905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014156991A (en) * | 2013-02-18 | 2014-08-28 | Nippon Thermoener Co Ltd | Boiler supply water amount controlling system, and supply water amount controlling method |
-
1986
- 1986-09-20 JP JP14492486U patent/JPS6354905U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014156991A (en) * | 2013-02-18 | 2014-08-28 | Nippon Thermoener Co Ltd | Boiler supply water amount controlling system, and supply water amount controlling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6354905U (en) | ||
| JPS61110801U (en) | ||
| SU909415A1 (en) | Feed water feeding automatic control system | |
| JPS6317905U (en) | ||
| SU779729A1 (en) | System for automatic control of steam generator output | |
| JPH035015U (en) | ||
| SU941795A1 (en) | Device for regulating gas-air ratio | |
| JPS62204107U (en) | ||
| JPH027408U (en) | ||
| JPH0214097U (en) | ||
| JPH0292413U (en) | ||
| JPS6398407U (en) | ||
| JPS6411304U (en) | ||
| JPH0292411U (en) | ||
| JPS6446637U (en) | ||
| JPS6153612U (en) | ||
| JPH0245310U (en) | ||
| JPS63146104U (en) | ||
| JPS63121208U (en) | ||
| JPS63168297U (en) | ||
| JPS6293545U (en) | ||
| JPS5934002U (en) | Steam turbine speed control device | |
| JPH03102066U (en) | ||
| JPS6392003U (en) | ||
| JPH0314505U (en) |