JPS6039994U - Pressure tube lower sealing device for pressure tube reactor - Google Patents
Pressure tube lower sealing device for pressure tube reactorInfo
- Publication number
- JPS6039994U JPS6039994U JP1983131674U JP13167483U JPS6039994U JP S6039994 U JPS6039994 U JP S6039994U JP 1983131674 U JP1983131674 U JP 1983131674U JP 13167483 U JP13167483 U JP 13167483U JP S6039994 U JPS6039994 U JP S6039994U
- Authority
- JP
- Japan
- Prior art keywords
- pressure tube
- pressure pipe
- pressure
- sealing device
- pipe
- 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
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
- Gasket Seals (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
第１−は燃料交換設備全体の概要図、第２図および第３
図はそれぞれ従来における圧力管型原子炉への装荷状態
を示すシール装置の構成図およびその詳細な構成断面図
、第４図はこの考案の実施例の構成を示す断面図である
。
１・・・圧力管、２・・・燃料集合体、３・・・下部じ
ゃへい体、４・・・シールプラグ、６・・・コレット継
手、７・・・−次冷却材導入口、９・・・ラッチ機構、
１０・・・メタルシール要素、１８・・・熱しゃへい体
、１９・・・ラビリンス刃。Figure 1- is a schematic diagram of the entire fuel exchange facility, Figures 2 and 3
The figures are a block diagram and a detailed cross-sectional view of the sealing device showing its loading state in a conventional pressure tube nuclear reactor, respectively, and FIG. 4 is a cross-sectional view showing the structure of an embodiment of this invention. DESCRIPTION OF SYMBOLS 1...Pressure pipe, 2...Fuel assembly, 3...Lower barrier, 4...Seal plug, 6...Collet joint, 7...-Secondary coolant inlet, 9 ...Latch mechanism,
10...Metal seal element, 18...Heat shield body, 19...Labyrinth blade.
Claims (2)
び圧力管との結合用ラッチ機構を具備したシールプラグ
を燃料集合体および下部じゃへい体と連結して用力管内
へ装荷し、−次冷却材をシールする圧力管下部シール装
置において、圧力管の下部途中に開口する一次冷却材導
入口と前記シールプラグとの間の管内通路に、前記導入
口より圧力管内へ流入する高温の一次冷却材がシールプ
ラグの方へ流下するのを抑制するシール要素保護用の熱
しゃへい体を介挿設置したことを特徴とする圧力管型原
子炉の圧力管下部シール装置。(1) A metal seal element that presses against the inner wall of the pressure pipe and a seal plug equipped with a latch mechanism for coupling with the pressure pipe are connected to the fuel assembly and the lower shingle, loaded into the utility pipe, and then cooled. In a pressure pipe lower sealing device for sealing a pressure pipe, high-temperature primary coolant flows into the pressure pipe from the inlet into the pipe passageway between the seal plug and the primary coolant inlet that opens halfway at the bottom of the pressure pipe. A pressure tube lower sealing device for a pressure tube type nuclear reactor, characterized in that a heat shielding body for protecting a seal element is inserted and installed to suppress the flow of water toward a seal plug.
置において、熱しゃへい体がその外周面と圧力管の内壁
面との間に高流動抵抗−の絞り流路を形成するラビリン
ス構造体であることを特徴とする圧力管型原子炉の圧力
管下部シール装置。(2) Utility model registration The seal device according to claim 1, in which the heat shield has a labyrinth structure that forms a constricted flow path with high flow resistance between its outer peripheral surface and the inner wall surface of the pressure pipe. A pressure tube lower sealing device for a pressure tube nuclear reactor, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983131674U JPS6039994U (en) | 1983-08-25 | 1983-08-25 | Pressure tube lower sealing device for pressure tube reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983131674U JPS6039994U (en) | 1983-08-25 | 1983-08-25 | Pressure tube lower sealing device for pressure tube reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6039994U true JPS6039994U (en) | 1985-03-20 |
| JPS6349754Y2 JPS6349754Y2 (en) | 1988-12-21 |
Family
ID=30297609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983131674U Granted JPS6039994U (en) | 1983-08-25 | 1983-08-25 | Pressure tube lower sealing device for pressure tube reactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6039994U (en) |
-
1983
- 1983-08-25 JP JP1983131674U patent/JPS6039994U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349754Y2 (en) | 1988-12-21 |
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