JPH0417202U - - Google Patents
Info
- Publication number
- JPH0417202U JPH0417202U JP5612790U JP5612790U JPH0417202U JP H0417202 U JPH0417202 U JP H0417202U JP 5612790 U JP5612790 U JP 5612790U JP 5612790 U JP5612790 U JP 5612790U JP H0417202 U JPH0417202 U JP H0417202U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- pressure
- drum pressure
- control valve
- heat recovery
- 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
- 238000011084 recovery Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図は本考案によるドラム圧力制御装置をコ
ンバインドプラントに適用した一実施例を示す図
、第２図はＨＲＳＧドラム圧力とＨＲＳＧ最低運
転圧力との関係を示す図、第３図は本考案による
ドラム圧力制御装置の他の適用例を示す図、第４
図は従来のコンバインドプラントの系統図である
。
１……排熱回収ボイラ（ＨＲＳＧ）、２……Ｈ
ＲＳＧドラム、７……蒸気タービン蒸気制御弁、
８……蒸気タービン、１２……ドラム圧力制御弁
、１３……ドラム圧力発信器、１４……ドラム圧
力コントローラ、１６……ＨＲＳＧ中圧ドラム、
１８……中圧ドラム圧力制御弁、２２……蒸気タ
ービン中圧蒸気制御弁。
Fig. 1 is a diagram showing an example in which the drum pressure control device according to the present invention is applied to a combined plant, Fig. 2 is a diagram showing the relationship between HRSG drum pressure and HRSG minimum operating pressure, and Fig. 3 is a diagram according to the present invention. FIG. 4 shows another application example of the drum pressure control device.
The figure is a system diagram of a conventional combined plant. 1...Exhaust heat recovery boiler (HRSG), 2...H
RSG drum, 7...Steam turbine steam control valve,
8...Steam turbine, 12...Drum pressure control valve, 13...Drum pressure transmitter, 14...Drum pressure controller, 16...HRSG medium pressure drum,
18...Intermediate pressure drum pressure control valve, 22...Steam turbine intermediate pressure steam control valve.
Claims (1)
設けたドラム圧力制御弁と、ドラム圧力を検出す
るドラム圧力発信器と、検出したドラム圧力に応
じてドラム圧力をドラム気水分離性能保持に必要
な最低運転圧力以上となるよう前記ドラム圧力制
御弁を制御するドラム圧力コントローラとから成
る排熱回収ボイラドラム圧力制御装置。 A drum pressure control valve installed at the drum outlet of the exhaust heat recovery boiler that performs variable pressure operation, a drum pressure transmitter that detects the drum pressure, and a drum pressure transmitter that detects the drum pressure and adjusts the drum pressure according to the detected drum pressure to maintain the drum steam and water separation performance. A drum pressure control device for an exhaust heat recovery boiler, comprising a drum pressure controller that controls the drum pressure control valve so that the pressure is equal to or higher than the minimum operating pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5612790U JPH0417202U (en) | 1990-05-29 | 1990-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5612790U JPH0417202U (en) | 1990-05-29 | 1990-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417202U true JPH0417202U (en) | 1992-02-13 |
Family
ID=31579679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5612790U Pending JPH0417202U (en) | 1990-05-29 | 1990-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791644A (en) * | 1993-09-17 | 1995-04-04 | Mitsubishi Heavy Ind Ltd | Exhaust gas boiler |
-
1990
- 1990-05-29 JP JP5612790U patent/JPH0417202U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791644A (en) * | 1993-09-17 | 1995-04-04 | Mitsubishi Heavy Ind Ltd | Exhaust gas boiler |
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