JPS6196104U - - Google Patents
Info
- Publication number
- JPS6196104U JPS6196104U JP17975484U JP17975484U JPS6196104U JP S6196104 U JPS6196104 U JP S6196104U JP 17975484 U JP17975484 U JP 17975484U JP 17975484 U JP17975484 U JP 17975484U JP S6196104 U JPS6196104 U JP S6196104U
- Authority
- JP
- Japan
- Prior art keywords
- reheater
- exhaust gas
- damper
- outlet
- steam 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
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図は本考案の一実施例の系統図、第２図は
排ガス混合量修正信号の特性図である。
１は火炉、４は空気ダクト、６は再熱器、８は
再熱器ダンパコントロールドライブ、９は再熱器
ダンパ、１５は排ガス混合フアン、１７は流体継
手、２２は減算器、２３は比例・積分調節器、２
４は加算器、３０は関数発生器、３１は加算器、
３２は排ガス混合量修正信号を示す。
FIG. 1 is a system diagram of an embodiment of the present invention, and FIG. 2 is a characteristic diagram of an exhaust gas mixture amount correction signal. 1 is a furnace, 4 is an air duct, 6 is a reheater, 8 is a reheater damper control drive, 9 is a reheater damper, 15 is an exhaust gas mixing fan, 17 is a fluid coupling, 22 is a subtractor, 23 is a proportional・Integral regulator, 2
4 is an adder, 30 is a function generator, 31 is an adder,
32 indicates an exhaust gas mixture amount correction signal.
Claims (1)
ダンパを経て煙突に導く煙道と火炉へ空気を送入
する空気ダクトとの間に、排ガスを空気ダクトに
混入する排ガス混合量を調節できるようにしてあ
る排ガス混合フアンを設け、且つ上記再熱器を通
過する排ガス量を調節する再熱器ダンパの開度を
制御するため、再熱器出口蒸気温度を検出する温
度検出器からの検出値と再熱器出口温度設定値と
を比較し、偏差があると偏差信号に基づき上記再
熱器ダンパの開度を制御するダンパ制御回路を備
えたボイラの再熱器出口蒸気温度制御装置におい
て、前記再熱器出口蒸気温度の偏差信号に基づき
前記排ガス混合量を調節するため排ガス混合フア
ンを制御するようにした排ガス混合量修正回路を
、前記ダンパ制御回路と排ガス混合フアンとの間
に設けたことを特徴とするボイラの再熱器出口蒸
気温度制御装置。 Between the flue that leads the exhaust gas that has passed through the reheater to the chimney through the reheater damper behind the reheater and the air duct that sends air to the furnace, the amount of exhaust gas mixed into the air duct is determined. An adjustable exhaust gas mixing fan is provided, and in order to control the opening degree of a reheater damper that adjusts the amount of exhaust gas passing through the reheater, a temperature sensor for detecting the steam temperature at the outlet of the reheater is provided. Reheater outlet steam temperature control for a boiler equipped with a damper control circuit that compares the detected value with the reheater outlet temperature set value and, if there is a deviation, controls the opening of the reheater damper based on the deviation signal. In the apparatus, an exhaust gas mixture amount correction circuit for controlling an exhaust gas mixing fan to adjust the exhaust gas mixture amount based on the deviation signal of the steam temperature at the outlet of the reheater is provided between the damper control circuit and the exhaust gas mixing fan. A boiler reheater outlet steam temperature control device, characterized in that it is provided in a boiler reheater outlet steam temperature control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17975484U JPS6196104U (en) | 1984-11-27 | 1984-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17975484U JPS6196104U (en) | 1984-11-27 | 1984-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196104U true JPS6196104U (en) | 1986-06-20 |
Family
ID=30737321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17975484U Pending JPS6196104U (en) | 1984-11-27 | 1984-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196104U (en) |
-
1984
- 1984-11-27 JP JP17975484U patent/JPS6196104U/ja active Pending
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