JPH0385596U - - Google Patents
Info
- Publication number
- JPH0385596U JPH0385596U JP1989147514U JP14751489U JPH0385596U JP H0385596 U JPH0385596 U JP H0385596U JP 1989147514 U JP1989147514 U JP 1989147514U JP 14751489 U JP14751489 U JP 14751489U JP H0385596 U JPH0385596 U JP H0385596U
- Authority
- JP
- Japan
- Prior art keywords
- main steam
- steam nozzle
- closing device
- opening
- plug body
- 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.)
- Granted
Links
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000003566 sealing material Substances 0.000 description 2
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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図ないし第５図は本考案の主蒸気ノズル閉
鎖装置の一実施例を示すもので、第１図は全体縦
断面図、第２図は主蒸気ノズルの開口部を閉鎖し
た状態を示す縦断面図、第３図はシール材付近の
縦断面図、第４図は第１図の−線に沿う横断
面図、第５図は第１図の−線に沿う矢視図、
第６図は主蒸気ノズル閉鎖装置の従来例を示す平
面図、第７図は第６図の主蒸気ノズル閉鎖装置を
原子炉圧力容器内に吊持している状態を示す縦断
面図である。
１１……主蒸気ノズル、１１ａ……開口部、１
２……主蒸気ノズル閉鎖装置、１３……プラグ本
体、１３ａ……本体部、１３ｂ……フランジ部、
１４……拡径具、１５……操作機構、１６……連
結器、１７……原子炉圧力容器、１８……バラン
ス装置、２１……リング溝、２２……シール材、
２３……シール加圧孔、２４……テスト加圧孔、
２５……加圧系、２６……駆動ロツド、２７……
取付ブラケツト、２８……めねじ部材、２９……
支持リング、３０……リンク、３１……押圧ブロ
ツク、３２……ピン、３５……ハウジング、３６
……拡径駆動機、３７……レンチ、３８……筒状
ガイド、３９……ばね、４０……着脱駆動機、４
１……めねじロツド、４２……おねじ部材、４３
……すべり部材、４４……ばね、４５……コネク
タ、５１……貫通穴、５２……タンク、５３……
プレナム部、５４……空気供給系、５５……吊り
ピース、５６……アーム、５７……投光器、５８
……カメラ、５９……シール部材。
Figures 1 to 5 show an embodiment of the main steam nozzle closing device of the present invention, with Figure 1 being an overall vertical cross-sectional view, and Figure 2 showing the main steam nozzle with its opening closed. 3 is a vertical sectional view of the vicinity of the sealing material, FIG. 4 is a cross-sectional view taken along the - line in FIG. 1, and FIG. 5 is a view taken along the - line in FIG. 1;
FIG. 6 is a plan view showing a conventional example of a main steam nozzle closing device, and FIG. 7 is a longitudinal cross-sectional view showing the main steam nozzle closing device of FIG. 6 suspended in a reactor pressure vessel. . 11... Main steam nozzle, 11a... Opening, 1
2... Main steam nozzle closing device, 13... Plug body, 13a... Main body part, 13b... Flange part,
14...Diameter expander, 15...Operation mechanism, 16...Coupler, 17...Reactor pressure vessel, 18...Balance device, 21...Ring groove, 22...Sealing material,
23... Seal pressure hole, 24... Test pressure hole,
25... Pressure system, 26... Drive rod, 27...
Mounting bracket, 28...Female thread member, 29...
Support ring, 30... Link, 31... Pressing block, 32... Pin, 35... Housing, 36
...Diameter expansion drive device, 37...Wrench, 38...Cylindrical guide, 39...Spring, 40...Detachable drive device, 4
1...Female thread rod, 42...Male thread member, 43
... Sliding member, 44 ... Spring, 45 ... Connector, 51 ... Through hole, 52 ... Tank, 53 ...
Plenum part, 54... Air supply system, 55... Hanging piece, 56... Arm, 57... Floodlight, 58
...Camera, 59...Seal member.
Claims (1)
部を着脱可能に密封する主蒸気ノズル閉鎖装置で
あつて、主蒸気ノズルの開口部を挿入状態に密封
するプラグ本体と、該プラグ本体に連結されて主
蒸気ノズル内に挿入される拡径具と、プラグ本体
に挿入方向後方位置に連結されて拡径具を駆動す
る操作機構とを有する主蒸気ノズル閉鎖装置。 A main steam nozzle closing device that removably seals an opening of a main steam nozzle from inside a reactor pressure vessel, the device comprising: a plug body that seals the opening of the main steam nozzle in an inserted state; A main steam nozzle closing device comprising: a diameter expander inserted into a main steam nozzle; and an operating mechanism connected to a plug body at a rear position in the insertion direction to drive the diameter expander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989147514U JP2536939Y2 (en) | 1989-12-21 | 1989-12-21 | Main steam nozzle closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989147514U JP2536939Y2 (en) | 1989-12-21 | 1989-12-21 | Main steam nozzle closing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0385596U true JPH0385596U (en) | 1991-08-29 |
| JP2536939Y2 JP2536939Y2 (en) | 1997-05-28 |
Family
ID=31694022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989147514U Expired - Lifetime JP2536939Y2 (en) | 1989-12-21 | 1989-12-21 | Main steam nozzle closing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536939Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101372410B1 (en) * | 2012-10-15 | 2014-03-11 | 김형호 | Slab construction for the block |
| KR101410970B1 (en) * | 2012-10-15 | 2014-06-25 | 김형호 | Slab floor construction methods and structures for slab construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56100399A (en) * | 1979-09-28 | 1981-08-12 | Pr Processutveckling Ab | Cleaning machine for virtical or inclined wall * especially reactor cavity wall in atomic power plant |
| JPS58151589A (en) * | 1982-03-05 | 1983-09-08 | 株式会社東芝 | Water sealing device of reactor pressure vessel nozzle |
| JPS62200291A (en) * | 1986-02-28 | 1987-09-03 | 株式会社東芝 | Main-steam nozzle closing device for pressure vessel of nuclear reactor |
| JPS63281096A (en) * | 1987-05-13 | 1988-11-17 | Babcock Hitachi Kk | Nozzle water sealing device for reactor pressure vessel |
-
1989
- 1989-12-21 JP JP1989147514U patent/JP2536939Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56100399A (en) * | 1979-09-28 | 1981-08-12 | Pr Processutveckling Ab | Cleaning machine for virtical or inclined wall * especially reactor cavity wall in atomic power plant |
| JPS58151589A (en) * | 1982-03-05 | 1983-09-08 | 株式会社東芝 | Water sealing device of reactor pressure vessel nozzle |
| JPS62200291A (en) * | 1986-02-28 | 1987-09-03 | 株式会社東芝 | Main-steam nozzle closing device for pressure vessel of nuclear reactor |
| JPS63281096A (en) * | 1987-05-13 | 1988-11-17 | Babcock Hitachi Kk | Nozzle water sealing device for reactor pressure vessel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101372410B1 (en) * | 2012-10-15 | 2014-03-11 | 김형호 | Slab construction for the block |
| KR101410970B1 (en) * | 2012-10-15 | 2014-06-25 | 김형호 | Slab floor construction methods and structures for slab construction |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536939Y2 (en) | 1997-05-28 |
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