JPS60139104U - Boiler drum pressure control device - Google Patents
Boiler drum pressure control deviceInfo
- Publication number
- JPS60139104U JPS60139104U JP2483584U JP2483584U JPS60139104U JP S60139104 U JPS60139104 U JP S60139104U JP 2483584 U JP2483584 U JP 2483584U JP 2483584 U JP2483584 U JP 2483584U JP S60139104 U JPS60139104 U JP S60139104U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- pressure
- regulator
- pressure control
- signal
- 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
- Control Of Steam Boilers And Waste-Gas Boilers (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のドラム圧力制御装置の一例を示す構成図
、第２図は本考案の一実施例を示す構成図、第３図は本
考案で用いられる圧力調節計の機能ブロック図、第４図
はその動作を説明するフローチャート、第５図はフィー
ドフォワード演算の定数を決定するための各燃料の特性
図である。
１・・・ボイラ燃焼炉、２・・・ドラム、３・・・空気
供給管、４，５・・・燃料供給管、６・・・水供給管、
７・・・出力管、８・・・圧力センサ、９・・・圧力調
節計、１ｏ・・・レベルセンサ、１１・・・レベル調節
計、１７・・・空気流量調節計、２５・・・燃料流量調
節計、３２・・・水流量調節計、３３・・・負荷蒸気量
センサ、Ｐ、・・・ドラム圧力信号、Ｐｏ・・・圧力マ
スター信号、Ｆ、・・・負荷蒸気流量信号、Ｎ・・・燃
量切換信号。FIG. 1 is a block diagram showing an example of a conventional drum pressure control device, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 is a functional block diagram of a pressure regulator used in the present invention. FIG. 4 is a flowchart explaining the operation, and FIG. 5 is a characteristic diagram of each fuel for determining constants for feedforward calculation. DESCRIPTION OF SYMBOLS 1... Boiler combustion furnace, 2... Drum, 3... Air supply pipe, 4, 5... Fuel supply pipe, 6... Water supply pipe,
7... Output pipe, 8... Pressure sensor, 9... Pressure regulator, 1o... Level sensor, 11... Level controller, 17... Air flow rate regulator, 25... Fuel flow rate controller, 32... Water flow rate controller, 33... Load steam amount sensor, P,... Drum pressure signal, Po... Pressure master signal, F,... Load steam flow rate signal, N...Fuel switching signal.
Claims (1)
節計と、この圧力調節計の出力信号をマスター信号とし
て受は空気流量を制御する空気流量調節計と、同じく上
記圧力調節計の出力信号をマスター信号として複数の燃
量の燃量供給量を切換えて制御する燃料供給量調節計と
よりなるボイラーのドラム圧力制御装置において、上記
圧力調節計を上記複数の燃量に対応させて複数台設け、
上記切換えに連動して複数の圧力調節計出力信号を切換
えて上記マスター信号を得ることを特徴とするボイラー
のドラム圧力制御装置。A pressure regulator that receives the boiler drum pressure signal as a Pv value, an air flow regulator that uses the output signal of this pressure regulator as a master signal to control the air flow rate, and also uses the output signal of the pressure regulator as a master signal. A drum pressure control device for a boiler comprising a fuel supply amount regulator that switches and controls the fuel supply amount of a plurality of fuel quantities, wherein a plurality of the pressure regulators are provided corresponding to the plurality of fuel quantities,
A drum pressure control device for a boiler, characterized in that the master signal is obtained by switching a plurality of pressure regulator output signals in conjunction with the switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2483584U JPS60139104U (en) | 1984-02-23 | 1984-02-23 | Boiler drum pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2483584U JPS60139104U (en) | 1984-02-23 | 1984-02-23 | Boiler drum pressure control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60139104U true JPS60139104U (en) | 1985-09-14 |
Family
ID=30519358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2483584U Pending JPS60139104U (en) | 1984-02-23 | 1984-02-23 | Boiler drum pressure control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139104U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487934A (en) * | 1977-12-26 | 1979-07-12 | Mitsui Eng & Shipbuild Co Ltd | Combustion control system for boiler |
| JPS5743721A (en) * | 1980-08-07 | 1982-03-11 | Nippon Sutainaa Kk | Apparatus for enclosing terminal end of roll towel |
| JPS57105601A (en) * | 1980-12-23 | 1982-07-01 | Mitsubishi Heavy Ind Ltd | Control of drum type boiler |
-
1984
- 1984-02-23 JP JP2483584U patent/JPS60139104U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487934A (en) * | 1977-12-26 | 1979-07-12 | Mitsui Eng & Shipbuild Co Ltd | Combustion control system for boiler |
| JPS5743721A (en) * | 1980-08-07 | 1982-03-11 | Nippon Sutainaa Kk | Apparatus for enclosing terminal end of roll towel |
| JPS57105601A (en) * | 1980-12-23 | 1982-07-01 | Mitsubishi Heavy Ind Ltd | Control of drum type boiler |
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