JPS5981943U - Steam air preheater temperature control device - Google Patents
Steam air preheater temperature control deviceInfo
- Publication number
- JPS5981943U JPS5981943U JP1982177172U JP17717282U JPS5981943U JP S5981943 U JPS5981943 U JP S5981943U JP 1982177172 U JP1982177172 U JP 1982177172U JP 17717282 U JP17717282 U JP 17717282U JP S5981943 U JPS5981943 U JP S5981943U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- air preheater
- steam
- target value
- type air
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Air Supply (AREA)
- Control Of Temperature (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図は燃焼装置の概略構成を示す系統図、第２図は従
来の蒸気式空気予熱器の温度制御装置のブロック図、第
３図は本考案の実施例に係る空気予熱器の温度制御装置
のブロック図である。
１・・・・・・入口温度信号発生器″、２・・・・・・
出口温度信号発生器、３・・・・・・平均値演算器、４
・・・・・・記憶器、５・・・・・・減算器、６・・・
・・・比例積分器、１０・・・・・・温度調節弁、１１
・・・・・・ドレン温度信号発生器、１２・・・・・・
関数発生器、１３・・・・・・切換器、１４・・・・・
・信号制限器、Ａ、・・・・・・排ガス式空気予熱暮、
Ａ２・・・・・・蒸気式空気予熱器、Ｄ・・・・・・ド
レン管路、Ｓ・・・・・・蒸気管路。Fig. 1 is a system diagram showing a schematic configuration of a combustion device, Fig. 2 is a block diagram of a conventional steam-type air preheater temperature control device, and Fig. 3 is a temperature control device for an air preheater according to an embodiment of the present invention. FIG. 2 is a block diagram of the device. 1... Inlet temperature signal generator'', 2...
Outlet temperature signal generator, 3...Average value calculator, 4
...Memory unit, 5...Subtractor, 6...
... Proportional integrator, 10 ... Temperature control valve, 11
...Drain temperature signal generator, 12...
Function generator, 13... Switcher, 14...
・Signal limiter, A, Exhaust gas type air preheating,
A2... Steam air preheater, D... Drain pipe line, S... Steam pipe line.
Claims (1)
調節弁と、この温度調節弁に対する前記蒸気式空気予熱
器のウオーミング時の開度指令信号とウオーミング完了
後の開度指令信号とを切換える切換装置とを備えた蒸気
式空気予熱器の温度制御装置において、前記蒸気式空気
予熱器のドレン温度を検出するドレン温度検出装置と、
このドレン温度検出装置で検出された信号に見合う前記
ウオーミング時の開度指令信号を発生する手段と、前記
蒸気式空気予熱器に接続される排ガス式空気予熱器の低
温部メタル温度を検出するメタル温度検出装置と、前記
排ガス式空気予熱器の温度目標値を出力する目標値出力
手段と、この目標値出力手段から出力された値と前記低
温部メタル温度値との差に応じた前記ウオーミング完了
後の開度指令信号を発生する手段と、前記低温部メタル
温度が所定値に達したとき前記切換装置を前記ウオーミ
ング時の開度指令信号選択状態から前記ウオーミング完
了後の開度指令信号選択状態に切換える手段とを設けた
ことを特徴とする蒸気式空気予熱器の温度制御装置。 ２ 実用新案登録請求の範囲第１項において、前記目標
値出力手段は、前記排ガス式空気予熱器の最終温度目標
値を設定する温度設定手段と、この最終温度目標値に達
するまで所定の変化率をもって前記温度目標値を上昇さ
せる制限手段 。 とで構成されていることを特徴とする蒸気式空気予熱器
の温度制御装置。[Claims for Utility Model Registration] 1. A steam-type air preheater, a temperature control valve of the steam-type air preheater, an opening command signal for the temperature control valve during warming of the steam-type air preheater, and completion of warming. In the temperature control device for a steam-type air preheater, the temperature control device includes a switching device for switching between a subsequent opening command signal, and a drain temperature detection device for detecting a drain temperature of the steam-type air preheater;
Means for generating an opening command signal during warming corresponding to the signal detected by the drain temperature detection device, and a metal for detecting the low temperature metal temperature of the exhaust gas air preheater connected to the steam air preheater. a temperature detection device, a target value output means for outputting a temperature target value of the exhaust gas air preheater, and completion of the warming according to the difference between the value output from the target value output means and the low temperature part metal temperature value. means for generating a subsequent opening command signal, and when the low temperature part metal temperature reaches a predetermined value, the switching device is changed from the opening command signal selection state during the warming to the opening command signal selection state after the completion of the warming; A temperature control device for a steam-type air preheater, characterized in that it is provided with means for switching to. 2 Utility Model Registration Claim 1 In claim 1, the target value output means includes a temperature setting means for setting a final temperature target value of the exhaust gas air preheater, and a temperature setting means for setting a final temperature target value of the exhaust gas air preheater, and a predetermined rate of change until the final temperature target value is reached. Limiting means for increasing the temperature target value. A temperature control device for a steam-type air preheater, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982177172U JPS5981943U (en) | 1982-11-25 | 1982-11-25 | Steam air preheater temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982177172U JPS5981943U (en) | 1982-11-25 | 1982-11-25 | Steam air preheater temperature control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5981943U true JPS5981943U (en) | 1984-06-02 |
| JPS6218823Y2 JPS6218823Y2 (en) | 1987-05-14 |
Family
ID=30384983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982177172U Granted JPS5981943U (en) | 1982-11-25 | 1982-11-25 | Steam air preheater temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5981943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022024062A (en) * | 2016-07-08 | 2022-02-08 | アルヴォス ユングストローム エルエルシー | Method and system for improving efficiency of boiler |
-
1982
- 1982-11-25 JP JP1982177172U patent/JPS5981943U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022024062A (en) * | 2016-07-08 | 2022-02-08 | アルヴォス ユングストローム エルエルシー | Method and system for improving efficiency of boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6218823Y2 (en) | 1987-05-14 |
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