JPS5540245A - Clean-up method of thermal power plant - Google Patents
Clean-up method of thermal power plantInfo
- Publication number
- JPS5540245A JPS5540245A JP11270278A JP11270278A JPS5540245A JP S5540245 A JPS5540245 A JP S5540245A JP 11270278 A JP11270278 A JP 11270278A JP 11270278 A JP11270278 A JP 11270278A JP S5540245 A JPS5540245 A JP S5540245A
- Authority
- JP
- Japan
- Prior art keywords
- clean
- water
- valve
- power plant
- pure water
- 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
Abstract
PURPOSE: To effectively clean up a heat power plant for a short time, by using a clean-up method by water with high temperautre in the clean-up of high pressure pre-boiler system.
CONSTITUTION: When cleaning up a heat power plant, the clean-up of a condenser 1, a condensate pump 3, a low-pressure feed water heater 6, a deaerator 7 and a deaerator water tank 9 is completed, and pure water containing hydrazine is poured up to a water level of the water tank 9. Said pure water is filled up to pumps 11, 13, a high pressure feed water heater 20 and a system of high pressure circulation duct 31, a valve 32 and a pipe 10 newly mounted by this invention, and the pure water is circulated by driving the both pumps 11, 13. Water temperature is increased up to approximate 150°C by the circulation, and the circulation is continued until the concentration of iron in the system settles. An inlet valve 23 and a blow valve 24 of a pre-boiler washing duct 22 are opened, the valve 32 is closed and said pure water is discharged.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11270278A JPS5540245A (en) | 1978-09-13 | 1978-09-13 | Clean-up method of thermal power plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11270278A JPS5540245A (en) | 1978-09-13 | 1978-09-13 | Clean-up method of thermal power plant |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5540245A true JPS5540245A (en) | 1980-03-21 |
Family
ID=14593353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11270278A Pending JPS5540245A (en) | 1978-09-13 | 1978-09-13 | Clean-up method of thermal power plant |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5540245A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986007099A1 (en) * | 1985-05-28 | 1986-12-04 | Kurita Water Industries Ltd. | Patina remover, process for its preparation, and method for removing patina |
-
1978
- 1978-09-13 JP JP11270278A patent/JPS5540245A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986007099A1 (en) * | 1985-05-28 | 1986-12-04 | Kurita Water Industries Ltd. | Patina remover, process for its preparation, and method for removing patina |
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