JPS6082298U - Sludge removal device inside the reactor pressure vessel nozzle - Google Patents
Sludge removal device inside the reactor pressure vessel nozzleInfo
- Publication number
- JPS6082298U JPS6082298U JP17445083U JP17445083U JPS6082298U JP S6082298 U JPS6082298 U JP S6082298U JP 17445083 U JP17445083 U JP 17445083U JP 17445083 U JP17445083 U JP 17445083U JP S6082298 U JPS6082298 U JP S6082298U
- Authority
- JP
- Japan
- Prior art keywords
- pressure vessel
- reactor pressure
- sludge
- removal device
- gap
- 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 In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面中、第１図は沸騰水型原子炉の原子炉圧力容器の概
略構成を示す正面図、第２図は第１図の □■部分の拡
大断面図、第３図および第４図は本考案を再循環系に適
用した一実施例を示すもので、第３図は第２図と同様の
図、第４図は第３図の■−■線に沿う矢視断面図、第５
図は本考案の他の実施例を示す第２図と同様の図である
。
１・・・・・・原子炉圧力容器、２・・・・・・サーマ
ルスリーブ、３・・・・・・スラッジ除去装置、４・・
・・・・仕切板、５・・・・・・滞留水攪拌ノズル、６
・・・・・・支持バット、７・・・・・・ジェットポン
プ、７ａ・・・・・・ディフューザ、７ｂ・・・・・・
負圧発生部、８，９・・・・・・滞留水攪拌ノズル、ｇ
・・・・・・間隙、Ｓ・・・・・・スラッジ、Ｎ・・・
・・・ノズル、Ｇ・・・・・・間隙、ｄ・・・・・・微
小間隙。
−（Ｊ
“尤１In the drawings, Figure 1 is a front view showing the schematic configuration of the reactor pressure vessel of a boiling water reactor, Figure 2 is an enlarged sectional view of the □■ part of Figure 1, and Figures 3 and 4 are from this book. This figure shows an example in which the invention is applied to a recirculation system. Fig. 3 is a view similar to Fig. 2, Fig. 4 is a sectional view taken along the line ■-■ in Fig. 3, and Fig. 5 is a cross-sectional view taken along the line
The figure is a diagram similar to FIG. 2 showing another embodiment of the present invention. 1... Reactor pressure vessel, 2... Thermal sleeve, 3... Sludge removal device, 4...
... Partition plate, 5 ... Remaining water stirring nozzle, 6
...Support bat, 7...Jet pump, 7a...Diffuser, 7b...
Negative pressure generation part, 8, 9... Remaining water stirring nozzle, g
...Gap, S...Sludge, N...
...Nozzle, G...Gap, d...Minute gap. -(J “Yu1
Claims (1)
サーマルスリーブとの間の間隙内のスラッジを除去する
ためのスラッジ除去装置であって、前記サーマルスリー
ブを原子炉圧力容器内に突出させて設け、該サーマルス
リーブの外周に、前記間隙の原子炉圧力容器側の端部を
閉塞する仕切板を設け、かつ、該仕切板によって閉塞さ
れた間隙内に、該間隙の内部と外部との間に圧力差を生
じさせることにより、間隙内のスラッジを該間隙内の炉
水とともに攪拌して原子炉圧力容器内に放出する滞留水
攪拌ノズルを配設して成る原子炉圧力容器ノズル内部の
スラッジ除去装置。A sludge removal device for removing sludge in a gap between a nozzle of a reactor pressure vessel and a thermal sleeve provided inside the nozzle, the thermal sleeve protruding into the reactor pressure vessel. a partition plate is provided on the outer periphery of the thermal sleeve to close the end of the gap on the reactor pressure vessel side; The sludge inside the reactor pressure vessel nozzle is equipped with a retained water stirring nozzle that stirs the sludge in the gap together with the reactor water in the gap and releases it into the reactor pressure vessel by creating a pressure difference between the sludge and the reactor water in the gap. removal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17445083U JPS6082298U (en) | 1983-11-11 | 1983-11-11 | Sludge removal device inside the reactor pressure vessel nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17445083U JPS6082298U (en) | 1983-11-11 | 1983-11-11 | Sludge removal device inside the reactor pressure vessel nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6082298U true JPS6082298U (en) | 1985-06-07 |
Family
ID=30379779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17445083U Pending JPS6082298U (en) | 1983-11-11 | 1983-11-11 | Sludge removal device inside the reactor pressure vessel nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6082298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63132397U (en) * | 1987-02-20 | 1988-08-30 |
-
1983
- 1983-11-11 JP JP17445083U patent/JPS6082298U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63132397U (en) * | 1987-02-20 | 1988-08-30 |
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