JPS6362717B2 - - Google Patents
Info
- Publication number
- JPS6362717B2 JPS6362717B2 JP58066676A JP6667683A JPS6362717B2 JP S6362717 B2 JPS6362717 B2 JP S6362717B2 JP 58066676 A JP58066676 A JP 58066676A JP 6667683 A JP6667683 A JP 6667683A JP S6362717 B2 JPS6362717 B2 JP S6362717B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure vessel
- reactor pressure
- welded
- safe end
- rpv
- 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.)
- Expired
Links
- 238000003466 welding Methods 0.000 claims description 29
- 238000005520 cutting process Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 238000010926 purge Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000035882 stress Effects 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 16
- 238000005260 corrosion Methods 0.000 description 16
- 238000005336 cracking Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000012545 processing Methods 0.000 description 7
- 206010073306 Exposure to radiation Diseases 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58066676A JPS59192995A (ja) | 1983-04-15 | 1983-04-15 | 原子炉圧力容器セ−フエンドの取替え方法とそのための装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58066676A JPS59192995A (ja) | 1983-04-15 | 1983-04-15 | 原子炉圧力容器セ−フエンドの取替え方法とそのための装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59192995A JPS59192995A (ja) | 1984-11-01 |
| JPS6362717B2 true JPS6362717B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-12-05 |
Family
ID=13322758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58066676A Granted JPS59192995A (ja) | 1983-04-15 | 1983-04-15 | 原子炉圧力容器セ−フエンドの取替え方法とそのための装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192995A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2689297B1 (fr) * | 1992-03-25 | 1994-07-01 | Framatome Sa | Procede de demontage et de remplacement d'une manchette thermique d'une traversee d'un couvercle de cuve d'un reacteur nucleaire a eau sous pression et manchette thermique demontable de remplacement. |
| EP0681301A1 (en) * | 1994-05-04 | 1995-11-08 | General Electric Company | Feedwater nozzle and method of repair |
| JP5859344B2 (ja) * | 2012-03-05 | 2016-02-10 | 三菱重工業株式会社 | サーマルスリーブ補修方法 |
-
1983
- 1983-04-15 JP JP58066676A patent/JPS59192995A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59192995A (ja) | 1984-11-01 |
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