JPS54147557A - Narrow section cleaning method - Google Patents
Narrow section cleaning methodInfo
- Publication number
- JPS54147557A JPS54147557A JP5566278A JP5566278A JPS54147557A JP S54147557 A JPS54147557 A JP S54147557A JP 5566278 A JP5566278 A JP 5566278A JP 5566278 A JP5566278 A JP 5566278A JP S54147557 A JPS54147557 A JP S54147557A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- space
- heated
- deep
- cleaning 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
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
PURPOSE: To enable deep-inside section to be satisfactorily cleaned by making beat utilization of expansion of volume occurring at the time when pressure of cleaning water is reduced by being heated up to 80°C.
CONSTITUTION: Pressure in a closed space 7 is kept at the atmospheric pressure, a space 3 is filled with cleaning water 6 of normal temperature, a tube plate 1 is heated by a heating system 5, deep-inside portion of the cleaning water 6 in the space 3 is heated up to approximately 80°C, the water temperature is gradually lowered so that entry side water becomes approximately 50°C, an air release valve 9 is closed, and at the same time, a pressure reducer 8 is operated to reduce the pressure in the closed space 7 from the atmospheric pressure to negative pressure. The deep-inside portion of the cleaning water 6 which has been heated up to approximately 80°C is evaporated when the pressure in the closed space 7 is reduced and reached the saturated pressure, and as the volume is expanded by 1000 times, a precipitation 4 in the deep-inside section is expelled from the space 3, and thereby the space 3 is satisfactorily cleaned.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5566278A JPS54147557A (en) | 1978-05-12 | 1978-05-12 | Narrow section cleaning method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5566278A JPS54147557A (en) | 1978-05-12 | 1978-05-12 | Narrow section cleaning method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54147557A true JPS54147557A (en) | 1979-11-17 |
Family
ID=13005051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5566278A Pending JPS54147557A (en) | 1978-05-12 | 1978-05-12 | Narrow section cleaning method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54147557A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5897698A (en) * | 1981-12-08 | 1983-06-10 | 株式会社東芝 | Method for cleaning nuclear fuel |
JPH03293072A (en) * | 1990-04-11 | 1991-12-24 | Chiyoda Manufacturing Co Ltd | Operation method for washing equipment with organic solvent utilized therefor |
JP2011228385A (en) * | 2010-04-16 | 2011-11-10 | Denso Corp | Cleaning/drying method and cleaning/drying device |
CN104848737A (en) * | 2015-05-11 | 2015-08-19 | 神华集团有限责任公司 | Cleaning method of reactor overhead condenser |
-
1978
- 1978-05-12 JP JP5566278A patent/JPS54147557A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5897698A (en) * | 1981-12-08 | 1983-06-10 | 株式会社東芝 | Method for cleaning nuclear fuel |
JPS619600B2 (en) * | 1981-12-08 | 1986-03-25 | Tokyo Shibaura Electric Co | |
JPH03293072A (en) * | 1990-04-11 | 1991-12-24 | Chiyoda Manufacturing Co Ltd | Operation method for washing equipment with organic solvent utilized therefor |
JP2011228385A (en) * | 2010-04-16 | 2011-11-10 | Denso Corp | Cleaning/drying method and cleaning/drying device |
CN104848737A (en) * | 2015-05-11 | 2015-08-19 | 神华集团有限责任公司 | Cleaning method of reactor overhead condenser |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5471869A (en) | Water injection type cleaning apparatus | |
JPS54147557A (en) | Narrow section cleaning method | |
JPS5476716A (en) | Device of recovering exhaust gas energy | |
JPS5565847A (en) | Method and apparatus for controlling hot water temperature of shower | |
JPS53465A (en) | Heat exchanger | |
JPS54113511A (en) | Vacuum unit | |
JPS5311225A (en) | Valve device | |
JPS5276761A (en) | Manufacturing method of heat pipe | |
JPS55149641A (en) | Recovery of heat energy | |
JPS56139186A (en) | Heating method for sea water desalinator using vapor pressure | |
JPS53111647A (en) | Dehumidifying method for use in solar heat collecting means | |
JPS5393791A (en) | Production of x-ray tube | |
JPS5321303A (en) | Removal of scales on water pipe boiler on heating side | |
JPS5428048A (en) | Air conditioner | |
JPS5292040A (en) | Pushing down system of water surface in pump turbine | |
JPS5361565A (en) | Water manufacturing apparatus utilizing solar heat | |
JPS5317896A (en) | Drying method for inside of reactor | |
JPS57189677A (en) | Vacuum thawing | |
JPS5436650A (en) | Ice-making pan | |
JPS5439800A (en) | Waste gas treating device | |
JPS56149584A (en) | Evacuation type water heating method and device therefor | |
JPS5411876A (en) | Sluding freezing device | |
JPS549149A (en) | Method of controlling apparatus for uniformly expanding pipe | |
JPS5419001A (en) | Drain recovery system | |
JPS53101149A (en) | Heat pump type air conditioner |