JPS60128389A - Inserting section structure of pressure vessel for nuclear reactor - Google Patents
Inserting section structure of pressure vessel for nuclear reactorInfo
- Publication number
- JPS60128389A JPS60128389A JP58236265A JP23626583A JPS60128389A JP S60128389 A JPS60128389 A JP S60128389A JP 58236265 A JP58236265 A JP 58236265A JP 23626583 A JP23626583 A JP 23626583A JP S60128389 A JPS60128389 A JP S60128389A
- Authority
- JP
- Japan
- Prior art keywords
- pressure vessel
- flange
- piping
- reactor
- nuclear reactor
- 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
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)
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
【発明の詳細な説明】
〔発明の利用分野〕
この発明は原子炉圧力容器の配管の挿通部構造に関する
発明であり,特に、内外配管の容器接続部の相互独立組
立、解離が可能な構造に係る発明である。[Detailed Description of the Invention] [Field of Application of the Invention] This invention relates to the structure of the insertion part of the piping of a nuclear reactor pressure vessel, and particularly relates to a structure that allows for mutually independent assembly and disassembly of the vessel connection parts of the internal and external piping. This is such an invention.
従来熱交換器内臓型原子炉に於いて、原子炉一次系と,
熱交換器等から形成される二次系間の冷却拐の漏洩を防
ぐと共に,熱交換器の人出配管が圧力容器上蓋を貫通す
るため、圧力容器上蓋、熱交換器をそれぞれ単独で取外
し、取付けする必要があった。In conventional nuclear reactors with built-in heat exchangers, the reactor primary system and
In order to prevent cooling leakage between the secondary systems formed from the heat exchanger, etc., and to allow the heat exchanger's outlet piping to penetrate the pressure vessel top cover, the pressure vessel top cover and heat exchanger must be removed individually. It needed to be installed.
この場合,炉外配管と炉内配管の接続は圧力容器ノズル
部で伝熱管等の炉内配管を溶接するか・或いは・相方を
溶接する構造であったために、該圧力容器の上蓋等の保
守点検整備に際し配管を取外し、再組付する必要のある
機器等には接続,及び、貫通させることが出来ない欠点
があった。In this case, the connection between the external piping and the internal piping was made by welding the internal piping, such as a heat transfer tube, at the nozzle of the pressure vessel, or by welding the other side, so maintenance of the upper cover of the pressure vessel, etc. There is a drawback that it is not possible to connect or penetrate equipment that requires piping to be removed and reassembled for inspection and maintenance.
又・その作業が極めて慎重であり,精度管理も難しい難
点があった。Another drawback was that the work was extremely careful and accuracy control was difficult.
その結果、ランユングコストが高くなる不利点があった
。As a result, there was a disadvantage that running costs were high.
この発明の目的は上述従来技術に基づく原子炉容器の問
題点を解決すべき技術的課題とし、伝熱管等炉内゛配管
からの流体の漏洩、を防ぐと共に、保守点検整備に際し
圧力容器上蓋、、伝熱管をそれぞれ相互独立で取外し、
取付可能とし、伝熱管のメンテナンスを容易にし、又、
それぞれ9作業性を容易にし管理精度を良好にし、原子
炉産業における付帯設備利用分野に益する優れた原子炉
容器の挿通部構造を提供せんとするものである。The purpose of this invention is to solve the problems of the reactor vessel based on the above-mentioned prior art as a technical problem, to prevent fluid leakage from inside the reactor piping such as heat transfer tubes, and to prevent leakage of fluid from the pressure vessel upper cover during maintenance and inspection. , remove the heat exchanger tubes independently from each other,
It can be installed easily, making maintenance of heat transfer tubes easier, and
The object of the present invention is to provide an excellent nuclear reactor vessel insertion part structure that facilitates workability, improves management accuracy, and benefits the use of ancillary equipment in the nuclear reactor industry.
この発明の構成は、伝熱管が圧力容器内に設けられ、圧
力容器の貫通部を介して炉外配管と接続されている原子
炉において、伝熱管等から形成される配管ループからの
流体の漏洩を防ぐことが出来、圧力容器上蓋等に対して
内外配管を相対抗するフランジによりそれぞれ単独で取
外し・摩付は可能とし、メンテナンス、及び、作業性を
向上させると共にその組付精度を保証し・内外に接続可
能な二重フランジ構造の技術的手段を講じたものである
。The structure of the present invention is that in a nuclear reactor in which heat transfer tubes are provided in a pressure vessel and connected to external piping through a penetration part of the pressure vessel, fluid leaks from a piping loop formed from heat transfer tubes, etc. The flanges that oppose the inner and outer piping to the pressure vessel top cover, etc., allow for independent removal and attachment, improving maintenance and workability, and guaranteeing assembly accuracy. It uses a technical measure of double flange structure that can be connected inside and outside.
次に、この発明の1実施例を図面に基づいて説明すれば
以下の通り′である@
第1図に示す態様において・伝熱用の配管は。Next, one embodiment of the present invention will be described below based on the drawings.
原子炉圧力容器1の外から内部を挿通して設置されてお
り、移送流体入口部2・及び、出口部3は一原子炉圧力
容器1の上蓋4、及び、原子炉圧力容器1め胴部5に対
しフランジを介して設置された□ 内部伝熱管6は該胴
部5に固定内延するサポート7に支持され炉外配管8と
次述の如く接続されている〇
而して・原子炉圧力容器1、及び、原子炉圧力容器上蓋
4の挿通部2,3に於いて久遠の如く内外にフランジ部
を持つ二重フランジ構造とされ、内側は伝熱管6のフラ
ンジが、又・外側には炉外配管7のフランジが設けられ
て締め付けられ′る構造となっている。It is installed by penetrating the inside of the reactor pressure vessel 1 from the outside, and the transfer fluid inlet section 2 and outlet section 3 are connected to the upper cover 4 of the reactor pressure vessel 1 and the body of the reactor pressure vessel 1. □ The internal heat transfer tube 6 installed through the flange to the body 5 is supported by a support 7 extending inwardly and fixed to the body 5, and is connected to the external pipe 8 as described below.Thus, the reactor The pressure vessel 1 and the insertion portions 2 and 3 of the reactor pressure vessel upper lid 4 have a double flange structure with flanges on the inside and outside, with the flange of the heat transfer tube 6 on the inside and the flange on the outside. The structure is such that a flange for the outside-furnace pipe 7 is provided and tightened.
これらの挿通部のフランジ締め付は構造については第1
図B部の胴部5に於ける構造は第2〜4図に詳示するよ
うに、まず、第2図のように伝熱管6の下端フランジ部
9に原子炉圧力容器1に対するボルト10を螺装し、第
3図に示すように該ボルト10を胴部5に挿通し、ナツ
ト11により緊締め付け、次いで、第4図に示すように
炉外配管7についてはそのフランジ12をボルト13を
介して胴部5に緊締固定する。Regarding the structure, tightening of the flanges of these insertion parts is the first step.
The structure of the body part 5 in part B in Figure B is shown in detail in Figures 2 to 4. First, as shown in Figure 2, bolts 10 are attached to the lower end flange part 9 of the heat transfer tube 6 to the reactor pressure vessel 1. As shown in FIG. 3, insert the bolt 10 into the body 5 and tighten it with the nut 11. Next, as shown in FIG. It is tightened and fixed to the body part 5 through.
一方、原子炉圧力容器1の上蓋4のA部に於ける伝熱管
6の挿通部の取付構造は第5〜8図に示すようにまず、
第5図に於いて予め伝熱管6の上端フランジ14にボル
ト1−O?螺装しておき、該ボルト10を上蓋4から立
設する円筒15の7ラン′ジ16のネジ孔に挿通し、ナ
ツト10により締め付け、第7図に示すように固定する
。On the other hand, the mounting structure of the insertion part of the heat transfer tube 6 in the section A of the upper cover 4 of the reactor pressure vessel 1 is as shown in FIGS. 5 to 8.
In FIG. 5, bolts 1-O? are attached to the upper end flange 14 of the heat exchanger tube 6 in advance. The bolts 10 are inserted into the screw holes of the seven rams 16 of the cylinder 15 which stands up from the upper cover 4, and are tightened with the nuts 10 to fix them as shown in FIG.
そして、第8図に氷すように該上蓋4のフランジ16面
に炉外配管8のフランジ17をボルト13を介して締め
付けて固定し、組付けて完了するO
尚・上述組付工程において伝熱管6に対しては原子炉圧
力容器1の胴体5の内面から一体内延したサポート7で
所定に支持するようにする。Then, as shown in FIG. 8, the flange 17 of the outer furnace piping 8 is tightened and fixed to the flange 16 surface of the upper lid 4 via the bolts 13, and the assembly is completed. The heat tube 6 is supported in a predetermined manner by a support 7 extending integrally from the inner surface of the body 5 of the reactor pressure vessel 1.
上述構成において、原子炉圧力容器1に対して炉外配管
8と内部伝熱管6とは別体でありながら容器のフランジ
を介して容易に組付け、解体が出来、しかも・シールが
確実に行える。In the above configuration, although the external pipe 8 and the internal heat transfer tube 6 are separate from the reactor pressure vessel 1, they can be easily assembled and disassembled via the flange of the vessel, and sealing can be performed reliably. .
そして、稼動中の冷却機はリークなく流動され。And the cooling machine is running without any leaks.
しかも・熱交換も確実に行える。Moreover, heat exchange can be performed reliably.
尚・この発明の実施態様は上述実施例に限(ず。Note that the embodiments of this invention are limited to the above-mentioned embodiments.
第9図に示すように、原子炉圧力容器上蓋4のフランジ
部と伝熱管6.及び、炉外配管8のフランジ部を一緒に
ボルト13により共線めする手段をとれば、フランジ1
4.17’の構造を簡単な構造することが出来る。As shown in FIG. 9, the flange portion of the reactor pressure vessel upper cover 4 and the heat transfer tube 6. In addition, if the flange portions of the outside piping 8 are aligned together with the bolts 13, the flange 1
4.17' structure can be made into a simple structure.
又、この発明は伝熱管6の接続に限らず、炉内配管と炉
外配管の接続部をこの内外にフランジ部を持つ二重フラ
ンジ構造とすれば、取付け、取外しの容易化を図ること
が出来、又、容器鏡面にも適用可能である等種々の態様
が採用可能である。Further, the present invention is not limited to the connection of the heat transfer tubes 6, but if the connection between the inside and outside of the furnace piping has a double flange structure with flange portions inside and outside, installation and removal can be facilitated. Various aspects can be adopted, such as being able to be applied to a mirror surface of a container.
以上この発明によれば、伝熱管等から形成されるループ
と原子炉圧力容器内間の漏洩を防ぐことが出来ると共に
、バウンダリ外への漏洩も完全に防止し、安全性を向上
させることが可能となる優れた効果が奏される。As described above, according to the present invention, it is possible to prevent leakage between the loop formed from heat transfer tubes, etc. and the inside of the reactor pressure vessel, and also to completely prevent leakage outside the boundary, thereby improving safety. An excellent effect is produced.
又、圧力容器の上蓋や伝熱管炉内配管をそれぞれ相互に
独立させて取外し、取付けが出来・したがって、保守点
検整備やその他の点検・及び、取扱い上の作業性を容易
にすることが出来る効果が奏される。In addition, the upper cover of the pressure vessel and the piping inside the heat exchanger tube furnace can be removed and installed independently of each other, thus making maintenance, inspection, and handling easier. is played.
図面はこの発明め実施例の説明図であり・第1図は1実
施例の貫通部を介しての伝熱管の取付状態断面図、第2
〜4図は第1図B゛部の取付プロセス説明断面図、第5
〜8図は第1図のA部取付プロセス説明断面図、第9図
は第8図相当他の実施例の断面図である。
1・・・圧力容器、A、B・・・挿通部、6.8・・・
配管。
9.12,14,17.17’・・・フランジ。
代理人 弁理士 高橋明夫
第1図
桔20
0
も3図 も4[ffi
も5の
0
も3m
兜9mThe drawings are explanatory diagrams of embodiments of this invention. Fig. 1 is a sectional view of the heat exchanger tube installed through the penetration part of the first embodiment, and the second
~ Figure 4 is a sectional view explaining the installation process of part B in Figure 1, and Figure 5.
8 are sectional views illustrating the attachment process of part A in FIG. 1, and FIG. 9 is a sectional view of another embodiment equivalent to FIG. 8. 1... Pressure vessel, A, B... Insertion part, 6.8...
Piping. 9.12, 14, 17.17'...flange. Agent Patent Attorney Akio Takahashi Figure 1 Box 20 0 Figure 3 Mo 4 [ffi Mo 5 no 0 Mo 3 m Kabuto 9 m
Claims (1)
部が圧力容器内を通る原子炉容器の挿通部構造において
、配管ループの圧力容器の挿通部の内外面に内外配管が
接続可能な各フランジを介して取外し自在に接合される
二重フランジとしたことを特徴とする圧力容器の挿通部
構造。 2、上記二重フランジの少くとも一方が容器面に全面密
着フランジとされていることを特徴とする特許 部構造。 3、 上記圧力容器の挿通部が筒体先端にフランジ部を
有していることを特徴とする上記特許請求の範囲第1項
記載の原子炉圧力容器の挿通部構造。[Scope of Claims] 1. In a reactor vessel insertion part structure in which a part of a piping loop that transfers a fluid different from that in the pressure vessel passes through the pressure vessel, the inside and outside surfaces of the pressure vessel insertion part of the piping loop are A pressure vessel insertion part structure characterized by a double flange that is removably joined via flanges to which piping can be connected. 2. A patented structure characterized in that at least one of the double flanges is a flange that fully contacts the surface of the container. 3. The reactor pressure vessel insertion portion structure according to claim 1, wherein the pressure vessel insertion portion has a flange portion at the tip of the cylindrical body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58236265A JPS60128389A (en) | 1983-12-16 | 1983-12-16 | Inserting section structure of pressure vessel for nuclear reactor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58236265A JPS60128389A (en) | 1983-12-16 | 1983-12-16 | Inserting section structure of pressure vessel for nuclear reactor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60128389A true JPS60128389A (en) | 1985-07-09 |
Family
ID=16998215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58236265A Pending JPS60128389A (en) | 1983-12-16 | 1983-12-16 | Inserting section structure of pressure vessel for nuclear reactor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60128389A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0676983U (en) * | 1993-04-06 | 1994-10-28 | 株式会社リョーサン | Lighting equipment such as film |
JP2014056737A (en) * | 2012-09-13 | 2014-03-27 | Jx Nippon Oil & Energy Corp | Fuel cell module |
-
1983
- 1983-12-16 JP JP58236265A patent/JPS60128389A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0676983U (en) * | 1993-04-06 | 1994-10-28 | 株式会社リョーサン | Lighting equipment such as film |
JP2014056737A (en) * | 2012-09-13 | 2014-03-27 | Jx Nippon Oil & Energy Corp | Fuel cell module |
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