JPH04319Y2 - - Google Patents
Info
- Publication number
- JPH04319Y2 JPH04319Y2 JP1986188554U JP18855486U JPH04319Y2 JP H04319 Y2 JPH04319 Y2 JP H04319Y2 JP 1986188554 U JP1986188554 U JP 1986188554U JP 18855486 U JP18855486 U JP 18855486U JP H04319 Y2 JPH04319 Y2 JP H04319Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- panel
- movable
- insulating
- movable heat
- 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
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)
- Support Devices For Sliding Doors (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
この考案は原子力プラント用ノズル部パネル開
閉装置、特に原子炉圧力容器のような被保温容器
のノズル部における開口部保温パネル開閉装置に
関するものである。[Detailed Description of the Invention] Industrial Application Field This invention relates to a nozzle panel opening/closing device for a nuclear power plant, and particularly to an opening heat insulation panel opening/closing device in a nozzle portion of a heat-insulated vessel such as a nuclear reactor pressure vessel.
従来の技術
従来、原子力プラントにおける例えば原子炉圧
力容器の保温を計かるために適宜な金属保温材か
ら成る保温パネルによつて圧力容器を被うように
なつた保温容器が、原子炉格納容器の放射能保護
用コンクリート遮蔽壁との間に一般に設けられて
いる。この様な原子力プラントにおける保温容器
は、金属の反射板または石綿やロツクウール或い
は適宜な断熱合成樹脂材料をステンレス鋼板にて
パネル状に被覆した金属保温材にてつくられ、特
に配管および圧力容器のノズル部においては圧力
容器との溶接接合部の定期的な点検或いは補修を
行うために配管やノズル部を取囲む開口部保温パ
ネルを多数個に分割してバツクルのような緊締部
材によつて固定している。Conventional technology In the past, in order to keep the reactor pressure vessel warm in a nuclear power plant, for example, a heat insulating vessel was used to cover the pressure vessel with a heat insulating panel made of an appropriate metal heat insulating material. It is generally installed between a concrete shielding wall for radiation protection. Heat insulating containers in such nuclear power plants are made of metal reflectors or metal heat insulating materials in which stainless steel plates are coated with asbestos, rock wool, or a suitable insulating synthetic resin material. In order to periodically inspect or repair the welded joint with the pressure vessel, the opening heat insulation panel that surrounds the piping and nozzle is divided into many pieces and fixed with tightening members such as buckles. ing.
考案が解決しようとする問題点
この様な従来の原子力プラントの保温容器にお
いては、コンクリート遮蔽壁との間のスペースが
狭いために配管やノズル部における開口部保温パ
ネルを多数個に分割し、点検時には分割した保温
パネルを１個づつバツクルを外して取外し順序よ
くコンクリート遮蔽壁との間に積み上げ、配管や
ノズル部の溶接接合部の点検を行わねばならず、
従つて作業が繁雑となつて厄介で時間がかゝり、
作業者が放射能を被曝する危険度が相当に高い等
の欠点がみられる。Problems that the invention aims to solve In such conventional thermal insulation containers for nuclear power plants, the space between them and the concrete shielding wall is narrow, so the insulation panels for the openings in the pipes and nozzles are divided into many pieces, and inspections are difficult. Sometimes it is necessary to unbuckle and remove the divided insulation panels one by one, stack them up in an orderly manner between them and the concrete shielding wall, and inspect the welded joints of piping and nozzles.
Therefore, the work becomes complicated, troublesome, and time-consuming.
There are drawbacks such as a considerably high risk of workers being exposed to radioactivity.
従つて、この考案の目的は、この様な従来にお
ける欠点を解決するために、原子力プラントのノ
ズル部を囲む開口部保温パネルを２つ割りにして
可動保温パネルとなし、これら各可動保温パネル
を関節リンク機構を用いて左右外方に相互に開放
するようなして点検時の作業者の被曝の危険をな
くし、作業時間を短縮緩和して十分な検査をなし
得るようにして機器の信頼性および稼動率の向上
を計かることができる自動遠隔操作可能な、原子
力プラント被保温容器の開口部保温パネル開閉装
置を提供することにある。 Therefore, the purpose of this invention is to solve these conventional drawbacks by dividing the opening heat insulation panel that surrounds the nozzle part of a nuclear power plant into two movable heat insulation panels, and making each of these movable heat insulation panels By using an articulated link mechanism to open the left and right outwards from each other, we eliminate the risk of radiation exposure for workers during inspections, reduce work time, and make it possible to perform thorough inspections, thereby improving the reliability of equipment and improving equipment reliability. It is an object of the present invention to provide a heat insulation panel opening/closing device for an opening of a heat insulation container in a nuclear power plant, which can be automatically and remotely operated and can improve the operating rate.
問題点を解決するための手段
この考案に依れば、原子力プラント被保温容器
の開口部保温パネル開閉装置は、原子力プラント
のノズル部を開む開口部保温パネルを上下または
左右に２つ割りして可動保温パネルとなり、２つ
割りした各可動保温パネルの両側にブラケツトを
夫々設けると共に両可動保温パネルの各側の対向
するブラケツトを関節リンク機構によつて夫々連
絡し、両可動保温パネルの両側部に沿つてほゞ一
定の間隔を置いて延びるガイドレールを夫々設
け、各関節リンク機構の関節部に設けられたガイ
ドローラをガイドレールに案内係合して成ること
を特徴としている。Means to Solve the Problems According to this invention, the opening/closing device for the opening/closing panel of the nuclear power plant's thermal vessel is divided into two vertically or horizontally. Each movable heat-insulating panel is divided into two parts, and each movable heat-insulating panel is provided with brackets on both sides, and the opposing brackets on each side of both movable heat-insulating panels are connected through a joint link mechanism, so that both sides of both movable heat-insulating panels are connected. The invention is characterized in that guide rails are provided that extend at substantially constant intervals along the joints, and guide rollers provided at the joints of each joint link mechanism are guided and engaged with the guide rails.
この考案の他の目的と特長および利点は以下の
添付図面に沿つての詳細な説明から明らかになろ
う。 Other objects, features and advantages of the invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
実施例
図面にはこの考案の原子力プラント被保温容器
の開口部保温パネル開閉装置の一実施例が示さ
れ、第１乃至３図には閉鎖時の状態が、また第
４，５図には開放時の状態が夫々示されている。
図示される様に、この考案の開口部保温パネル開
閉装置は、原子力プラントにおける原子炉圧力容
器のような被保温容器１とコンクリート遮蔽壁２
との間に、適宜な金属保温材によつて構成される
保温容器の、特に配管やノズル部のための開口部
保温パネルを開閉するためのもので、開閉すべき
開口部保温パネルを上下または左右に２つ割りし
て可動保温パネル１１となし、固定保温パネル１
１1の開口部１２に対し端面１４にテーパーが付
けられると共に２つ割りした分割面１５にもテー
パーが付けられるのが好適である。２つ割りした
これら可動保温パネル１１の両側にはブラケツト
１６が夫々設けられており、相対する可動保温パ
ネル１１のブラケツト１６が互に関節リンク機構
１７によつて連結されている。関節リンク機構１
７は複数個のリンク１８をピン１９で関節連結し
て成り、一端が一方の可動保温パネル１１のブラ
ケツト１６に、他端が他方の可動保温パネル１１
に取付けられ、１つ置きの関節部にガイドローラ
２０が設けられている。可動保温パネル１１の各
関節リンク機構１７のガイドローラ２０に対応し
可動保温パネル１１の側部に沿つて、すわなち開
口部１２の側縁に沿つて一定の間隔を置いて延び
るガイドレール２２が設けられる。各ガイドレー
ル２２は支持ブラケツト２３によつて固定保温パ
ネル１１1上に支持されており、各関節リンク機
構１７のガイドローラ２０が案内係合されてい
る。また、各支持ブラケツト２３には可動保温パ
ネル１１の開放時のためのストツパ２５が設けら
れるのが好適である。また、各可動保温パネル１
１には配管またはノズル部のための切欠き２７が
形成されると共に、可動保温パネル１１を開閉操
作するための把手２８が好適に設けられている。Embodiment The drawings show an embodiment of the insulating panel opening/closing device for the opening of the nuclear power plant insulated vessel of this invention, and Figs. 1 to 3 show the closed state, and Figs. The state at the time is shown.
As shown in the figure, the opening heat insulation panel opening/closing device of this invention includes a heat insulation vessel 1 such as a reactor pressure vessel in a nuclear power plant, and a concrete shielding wall 2.
This is for opening and closing the opening insulation panel for the piping and nozzle parts of the insulation container made of an appropriate metal insulation material, and is used to open and close the opening insulation panel that is to be opened and closed. Divide into two on the left and right to create a movable insulation panel 11 and a fixed insulation panel 1.
It is preferable that the end face 14 is tapered with respect to the opening 12 of 1 1 and that the dividing face 15 that is divided into two parts is also tapered. Brackets 16 are provided on both sides of these two movable heat-insulating panels 11, and the brackets 16 of opposing movable heat-insulating panels 11 are connected to each other by an articulated link mechanism 17. Joint link mechanism 1
7 is made up of a plurality of links 18 jointed together with pins 19, one end of which connects to the bracket 16 of one movable heat insulating panel 11, and the other end to the other movable heat insulating panel 11.
A guide roller 20 is provided at every other joint. Guide rails 22 that correspond to the guide rollers 20 of each joint link mechanism 17 of the movable heat insulation panel 11 and extend along the side of the movable heat insulation panel 11, that is, along the side edge of the opening 12 at regular intervals. is provided. Each guide rail 22 is supported on the fixed thermal panel 111 by a support bracket 23, in which a guide roller 20 of each articulated linkage 17 is guided. Further, it is preferable that each support bracket 23 is provided with a stopper 25 for opening the movable heat retaining panel 11. In addition, each movable heat insulation panel 1
1 is formed with a notch 27 for piping or a nozzle portion, and is preferably provided with a handle 28 for opening and closing the movable heat retaining panel 11.
この様に構成されたこの考案の原子力プラント
被保温容器の開口部保温パネル開閉装置によつて
第１乃至３図に示される閉鎖状態から第４，５図
に示される開放状態に開放作動する場合には、可
動保温パネル１１の把手２８を持つて第１図にて
手前側に、第２図にて左方に手動で或は他の適宜
な手段をもつて引けば、各可動保温パネル１１を
引張る力は第２図の状態に屈曲している関節リン
ク機構１７を第５図に示される真直ぐなほゞ一直
線の状態に伸ばすように作用してガイドローラ２
０がガイドレール２２に沿つて移動するので、可
動保温パネル１１が外方に、開口部１２から離れ
る方向に且つ分割面から離れる方向、第１，４図
にて上下方向、に作動されて第４，５図に示され
る開放状態になる。従つて、可動保温パネル１１
が第４，５図に示される様に開放されるので、こ
れによつて配管またはノズル部の点検や補修が可
動保温パネル１１の開放された〓間から行うこと
ができる。 When the insulating panel opening/closing device for the opening of the nuclear power plant insulated vessel of this invention configured in this manner is operated to open from the closed state shown in Figs. 1 to 3 to the open state shown in Figs. 4 and 5. To do this, hold the handle 28 of the movable heat-insulating panel 11 and pull it toward you in FIG. 1 and to the left in FIG. 2 manually or by any other suitable means. The pulling force acts to stretch the joint linkage mechanism 17, which is bent in the state shown in FIG. 2, to the straight, almost straight state shown in FIG.
0 moves along the guide rail 22, the movable heat insulating panel 11 is moved outward, away from the opening 12 and away from the dividing surface, in the vertical direction in FIGS. It will be in the open state shown in Figures 4 and 5. Therefore, the movable heat insulation panel 11
As shown in FIGS. 4 and 5, the piping or nozzle section can be inspected or repaired from the open space between the movable heat retaining panels 11.
また、可動保温パネル１１を閉鎖するには、両
可動保温パネル１１の把手２８を手動で或は他の
適宜な手段をもつて開口部１２に向つて押せば、
関節リンク機構１７が関節部にて屈曲し、ガイド
ローラ２０がガイドレール２２に沿つて互に内側
に移動して第１乃至３図に示される様に閉鎖でき
る。 Furthermore, in order to close the movable heat-insulating panels 11, the handles 28 of both movable heat-insulating panels 11 are pushed toward the opening 12 manually or by other appropriate means.
The joint linkage 17 is bent at the joint, and the guide rollers 20 can be moved inwardly along the guide rails 22 and closed as shown in FIGS. 1-3.
なお、可動保温パネル１１の開放位置は支持ブ
ラケツト２３に設けられたストツパ２５によつて
第５図に示される位置に好適に制限できる。更
に、可動保温パネル１１の開閉作動は把手２８を
介して手動により行われる他、空圧または水圧或
は他の電磁的、機械的手段を用いて好適に行うこ
とができる。 The open position of the movable heat retaining panel 11 can be suitably limited to the position shown in FIG. 5 by a stopper 25 provided on the support bracket 23. Further, the opening/closing operation of the movable heat-insulating panel 11 can be performed manually via the handle 28, or preferably using pneumatic pressure, water pressure, or other electromagnetic or mechanical means.
この様に、この考案の開口部保温パネル開閉装
置に依れば、原子力プラントの圧力容器のような
被保温容器からの配管やノズル部を囲む開口部保
温パネルを上下または左右に２つ割りして可動保
温パネルとなして関節リンク機構によつて互に連
結し、関節部のガイドローラをパネル面に対して
水平なガイドレールに沿つて案内移動可能にする
ことによつて、被保温容器とコンクリート遮蔽壁
との間の限られた狭いスペースにおいて両可動保
温パネルを互に外方に間隔を置いて離れる方向に
開いて点検、補修に必要な十分な開放空間を簡単
且つ容易な操作をもつて附与することができ、点
検作業時間を大いに短縮でき、遠隔自動操作も可
能となつて作業者の放射能被曝の恐れを低減で
き、機器の信頼性と稼動率の向上を計かることが
できる等の効果が得られる。 As described above, according to the insulating opening panel opening/closing device of this invention, the insulating opening panel that surrounds the nozzle and piping from the container to be insulated, such as the pressure vessel of a nuclear power plant, can be divided into two vertically or horizontally. The movable heat-insulating panels are connected to each other by a joint link mechanism, and the guide rollers at the joints can be guided and moved along guide rails that are horizontal to the panel surface. In the limited narrow space between the concrete shielding wall, both movable heat insulation panels can be opened apart from each other at a distance from each other to create sufficient open space for inspection and repair, with simple and easy operation. This greatly reduces inspection work time, enables remote automatic operation, reduces the risk of worker exposure to radiation, and improves equipment reliability and operation rates. Effects such as being able to do this can be obtained.
第１図乃至第３図はこの考案の原子力プラント
被保温容器の開口部保温パネル開閉装置の閉鎖時
の正面図、側面図および平面概要図で、第４図お
よび第５図は開放時の正面図および側面図であ
る。図中、１……原子力プラントの被保温容器、
２……コンクリート遮蔽壁、１０……開口部保温
パネル開閉装置、１１……可動保温パネル、１１
１……固定保温パネル、１２……開口部、１６…
…ブラケツト、１７……関節リンク機構、１８…
…リンク、２０……ガイドローラ、２２……ガイ
ドレール、２３……支持ブラケツト、２５……ス
トツパ、２７……切欠き、２８……把手。
Figures 1 to 3 are a front view, a side view, and a schematic plan view of the insulating panel opening/closing device for the opening of a nuclear power plant thermal vessel of this invention when it is closed, and Figures 4 and 5 are the front view when it is opened. FIG. 3 is a diagram and a side view. In the diagram, 1...Insulated container of nuclear power plant,
2... Concrete shielding wall, 10... Opening heat insulation panel opening/closing device, 11... Movable heat insulation panel, 11
1 ... fixed heat insulation panel, 12... opening, 16...
...Bracket, 17...Joint link mechanism, 18...
... Link, 20 ... Guide roller, 22 ... Guide rail, 23 ... Support bracket, 25 ... Stopper, 27 ... Notch, 28 ... Handle.
Claims (1)
ネルを上下または左右に２つ割りして成る可動保
温パネル１１、これら可動保温パネルの両側に
夫々設けられたブラケツト１６、複数個のリンク
１８をピン１９で関節連結して成り一端が一方の
可動保温パネルのブラケツトに取付けられて他端
が他方の可動保温パネルのブラケツトに取付けら
れて１つ置きの関節部のピンにガイドローラ２０
が設けられた関節リンク機構１７、各関節リンク
機構のガイドローラに対応し可動保温パネルの側
部に沿つてほゞ一定の間隔を置いて設けられ各関
節リンク機構の関節部のガイドローラが案内係合
されたガイドレール２２から構成されたことを特
徴とする原子力プラント被保温容器の開口部保温
パネル開閉装置。 A movable heat-insulating panel 11 formed by dividing an opening heat-insulating panel that surrounds the nozzle part of a nuclear power plant into two vertically or horizontally, brackets 16 provided on both sides of these movable heat-insulating panels, and a plurality of links 18 with pins 19. The guide rollers 20 are jointed, one end is attached to the bracket of one movable insulation panel, the other end is attached to the bracket of the other movable insulation panel, and the guide rollers 20 are connected to the pins of every other joint.
The joint link mechanism 17 is provided with a guide roller of each joint link mechanism, and is provided at approximately constant intervals along the side of the movable heat insulation panel, and is guided by the guide rollers of the joint part of each joint link mechanism. A heating panel opening/closing device for an opening of a thermal insulation container in a nuclear power plant, characterized in that it is constituted by an engaged guide rail 22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986188554U JPH04319Y2 (en) | 1986-12-09 | 1986-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986188554U JPH04319Y2 (en) | 1986-12-09 | 1986-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6393598U JPS6393598U (en) | 1988-06-16 |
| JPH04319Y2 true JPH04319Y2 (en) | 1992-01-07 |
Family
ID=31140024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986188554U Expired JPH04319Y2 (en) | 1986-12-09 | 1986-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04319Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61111491A (en) * | 1984-11-06 | 1986-05-29 | 明星工業株式会社 | Metallic heat-insulating material which can be opened and closed |
-
1986
- 1986-12-09 JP JP1986188554U patent/JPH04319Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6393598U (en) | 1988-06-16 |
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