JPH0192231U - - Google Patents
Info
- Publication number
- JPH0192231U JPH0192231U JP18598887U JP18598887U JPH0192231U JP H0192231 U JPH0192231 U JP H0192231U JP 18598887 U JP18598887 U JP 18598887U JP 18598887 U JP18598887 U JP 18598887U JP H0192231 U JPH0192231 U JP H0192231U
- Authority
- JP
- Japan
- Prior art keywords
- oxidation tower
- flue gas
- cleaning
- calcium
- liquid
- 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
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 3
- 235000010261 calcium sulphite Nutrition 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052815 sulfur oxide Inorganic materials 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims 1
- 239000000920 calcium hydroxide Substances 0.000 claims 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 229910052602 gypsum Inorganic materials 0.000 claims 1
- 239000010440 gypsum Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
はスラリ中の亜硫酸カルシウム濃度の連続測定装
置の例示図、第３図は関数発生器２４の関数の１
例を示す線図、第４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
化装置（又は酸化塔）、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、２
２……ｐＨ調節計、２４……関数発生器、２５…
…亜硫酸カルシウム濃度計、２６……緩衝器、１
０１……反応器、１０３……撹拌器、１０５，１
１０，１１４，１１６……調節弁、１０６，１１
３……流量調節計、１０７……ヒータ、１０８…
…温度調節計、１１１……ｐＨ調節計、１１７…
…レベル調節計、１１９……ＳＯ２濃度計、１２
０……演算器。
FIG. 1 is an explanatory diagram of one embodiment of the present invention, FIG. 2 is an illustrative diagram of a continuous measuring device for calcium sulfite concentration in slurry, and FIG. 3 is a diagram of a function of the function generator 24.
A diagram showing an example, Figure 4 is one of the conventional flue gas desulfurization equipment.
It is an explanatory diagram of an example. 1...Exhaust gas inlet duct, 2...Make-up water, 3...Cleaning device, 4...Circulation piping, 5...Oxidizer (or 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, 2
2...pH controller, 24...function generator, 25...
... Calcium sulfite concentration meter, 26 ... Buffer, 1
01... Reactor, 103... Stirrer, 105,1
10,114,116...Control valve, 106,11
3...Flow rate controller, 107...Heater, 108...
...Temperature controller, 111...pH controller, 117...
...Level controller, 119... SO2 concentration meter, 12
0...Arithmetic unit.
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、前記洗浄装置から抜き出し酸化塔に供給す
る洗浄液の亜硫酸カルシウム濃度を測定する亜硫
酸カルシウム濃度計と、前記測定値を入力とする
関数発生器と、前記関数発生器の出力を入力とす
る緩衝器と、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、前記緩衝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 that removes sulfur oxides from the flue gas is supplied to the oxidation tower. , in a control device for an oxidation tower that supplies oxygen-containing gas to oxidize sulfur oxides absorbed into a cleaning solution from flue gas, and measures the concentration of calcium sulfite in the cleaning solution extracted from the cleaning device and supplied to the oxidation tower. a calcium concentration meter, a function generator that receives the measured value as input, a buffer that receives the output of the function generator as input, a level meter that detects the liquid level in the oxidation tower, and a liquid from the oxidation tower. It is characterized by comprising a control valve installed in the extraction pipe, and a controller that uses the output value of the buffer as a set value, the measured value of the level meter as a control variable, and the valve opening of the control valve as a manipulated variable. This is an oxidation tower control device for wet lime-gypsum flue gas desulfurization equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18598887U JPH0192231U (en) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18598887U JPH0192231U (en) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0192231U true JPH0192231U (en) | 1989-06-16 |
Family
ID=31477240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18598887U Pending JPH0192231U (en) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0192231U (en) |
-
1987
- 1987-12-08 JP JP18598887U patent/JPH0192231U/ja active Pending
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