JPH021221U - - Google Patents
Info
- Publication number
- JPH021221U JPH021221U JP7642188U JP7642188U JPH021221U JP H021221 U JPH021221 U JP H021221U JP 7642188 U JP7642188 U JP 7642188U JP 7642188 U JP7642188 U JP 7642188U JP H021221 U JPH021221 U JP H021221U
- Authority
- JP
- Japan
- Prior art keywords
- flue gas
- oxidation tower
- tower
- slurry
- temperature
- 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
- Treating Waste Gases (AREA)
Description
第１図は、本考案の一実施例の説明図、第２図
は関数発生器２４の関数の１例を示す線図、第３
図は従来の排煙脱硫装置の１例の説明図である。
１……排ガス入口ダクト、２……メイクアツプ
水、３……洗浄装置、４……循環配管、５……酸
化塔、１１，１６……レベル調節計、１２，１７
，２０，２３……調節弁、１９……流量調節計、
１８……循環ポンプ、１３……吸収剤供給ライン
、２１……硫酸供給ライン、２２……PH調節計、
２４……関数発生器、２５……酸化塔内スラリ温
度検出器。
FIG. 1 is an explanatory diagram of an embodiment of the present invention, FIG. 2 is a diagram showing an example of a function of the function generator 24, and FIG.
The figure is an explanatory diagram of an example of a conventional flue gas desulfurization device. 1... Exhaust gas inlet duct, 2... Make-up water, 3... Cleaning device, 4... Circulation piping, 5... Oxidation tower, 11, 16... Level controller, 12, 17
, 20, 23... control valve, 19... flow rate controller,
18...Circulation pump, 13...Absorbent supply line, 21...Sulfuric acid supply line, 22...PH controller,
24...Function generator, 25...Slurry temperature detector in the oxidation tower.
Claims (1)
を含むスラリを用いて排煙を洗浄し、排煙中の硫
黄酸化物を除去する湿式排煙脱硫装置の洗浄装置
から抜き出された洗浄液を酸化塔に供給し、酸素
を含むガスを供給して排煙から洗浄液に吸収され
た硫黄酸化物を酸化する酸化塔の制御装置におい
て、前記塔化塔内スラリの温度を測定する温度検
出器と、前記測定値を入力とする関数発生器と、
前記酸化塔の液レベルを検出するレベル計と、前
記酸化塔からの液抜き出し配管に設置した調節弁
と、前記関数発生器の出力値を設定値とし前記レ
ベル計の測定値を制御量として前記調節弁の弁開
度を操作量とする調節計を具備することを特徴と
する湿式石灰石こう法排煙脱硫装置における酸化
塔制御装置。 Flue gas is cleaned using a slurry containing calcium hydroxide and/or calcium carbonate, and the cleaning liquid extracted from the cleaning device of the wet flue gas desulfurization equipment is supplied to the oxidation tower to remove sulfur oxides from the flue gas. , a control device for an oxidation tower that supplies a gas containing oxygen to oxidize sulfur oxides absorbed by a cleaning liquid from flue gas, comprising: a temperature detector that measures the temperature of the slurry in the tower; and a temperature detector that measures the temperature of the slurry in the tower; a function generator as input;
A level meter for detecting the liquid level in the oxidation tower, a control valve installed in a liquid extraction pipe from the oxidation tower, and an output value of the function generator as a set value and a measured value of the level meter as a control variable. An oxidation tower control device for a wet lime-gypsum flue gas desulfurization device, characterized in that it is equipped with a controller that uses the valve opening of a control valve as an operating variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7642188U JPH021221U (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7642188U JPH021221U (en) | 1988-06-10 | 1988-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021221U true JPH021221U (en) | 1990-01-08 |
Family
ID=31301446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7642188U Pending JPH021221U (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021221U (en) |
-
1988
- 1988-06-10 JP JP7642188U patent/JPH021221U/ja active Pending
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