JPS6324278B2 - - Google Patents
Info
- Publication number
- JPS6324278B2 JPS6324278B2 JP56077143A JP7714381A JPS6324278B2 JP S6324278 B2 JPS6324278 B2 JP S6324278B2 JP 56077143 A JP56077143 A JP 56077143A JP 7714381 A JP7714381 A JP 7714381A JP S6324278 B2 JPS6324278 B2 JP S6324278B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel pool
- sealing member
- reactor
- electromagnet
- gate
- 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
- 238000007789 sealing Methods 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002915 spent fuel radioactive waste Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、原子力発電プラントの原子炉におけ
る使用済燃料を貯蔵する燃料プールのゲートシー
ル装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a gate sealing device for a fuel pool that stores spent fuel in a nuclear reactor of a nuclear power plant.
（従来の技術）
既に提案されているこの種の原子力発電プラン
トの原子炉（圧力容器）を備えた原子炉建屋に
は、使用済燃料を貯蔵し、しかも、この使用済燃
料の崩壊熱や放射線を遮蔽するために、純水を張
つた燃料プールが原子炉に対して隣設されてい
る。又、この燃料プールと上記原子炉を設置した
原子炉建屋の原子炉ウエルとの間には、チヤネル
（水溝）が設けられており、このチヤネルの燃料
プール側の開口部には、一対をなす主ゲート及び
補助ゲートが昇降自在に設けられている。さら
に、この補助ゲートには、帯状をなすゴムパツキ
ングが貼着されており、このゴムパツキングは上
記チヤネルの開口壁面に水密に密着して燃料プー
ルに貯溜した水がチヤネルを通して原子炉ウエル
側へ漏洩しないようになつている。(Prior art) The reactor building equipped with the reactor (pressure vessel) of this type of nuclear power plant, which has already been proposed, stores spent fuel, and in addition, the spent fuel is exposed to decay heat and radiation. A fuel pool filled with pure water is installed next to the reactor to shield the reactor. In addition, a channel (water groove) is provided between this fuel pool and the reactor well of the reactor building where the above-mentioned nuclear reactor is installed, and a pair of A main gate and an auxiliary gate are provided that can be raised and lowered. Furthermore, a band-shaped rubber packing is attached to this auxiliary gate, and this rubber packing is in close contact with the opening wall of the channel to prevent water stored in the fuel pool from leaking through the channel to the reactor well side. It's getting old.
（発明が解決しようとする問題点）
しかしながら、上述した燃料プールのゲートシ
ールとして使用される補助ゲートのゴムパツキン
グは、補助ゲートの昇降開閉時、粗面をなすゲー
ト壁面に摺擦して摩耗し、密着によるシール機能
が損われ、これに起因して、燃料プールの水を漏
洩するおそれがある。(Problems to be Solved by the Invention) However, the rubber padding of the auxiliary gate used as the gate seal of the fuel pool described above rubs against the rough gate wall surface when the auxiliary gate is opened and closed, resulting in wear and tear. The sealing function due to close contact may be impaired, which may cause water in the fuel pool to leak.
又一方、上記両ゲートは、大型の開閉扉を構成
しているため、制作誤差を生じたり、又、充分な
平面度が得られない場合も予測され、これらが漏
洩の遠因になるおそれもある。 On the other hand, since both of the above gates constitute large opening/closing doors, it is expected that manufacturing errors may occur or that sufficient flatness may not be obtained, which may be a cause of leakage. .
本発明は、上述した事情に鑑み、閉扉時、上記
開口壁面に補助ゲートのシール部材を電磁石の吸
引力によつて吸着してシールし得るようにしたこ
とを目的とする燃料プールのゲートシール装置を
提供することを目的とする。 In view of the above-mentioned circumstances, the present invention provides a gate sealing device for a fuel pool, which is capable of adhering and sealing the sealing member of the auxiliary gate to the opening wall surface by the suction force of an electromagnet when the door is closed. The purpose is to provide
（問題点を解決するための手段とその作用）
本発明は、原子炉を収納した原子炉建屋に燃料
プールを設け、この燃料プールのチヤネルの開口
部に電磁石を埋設し、この電磁石に対峙する補助
ゲートの側面に鉄粉混入ゴムによるシール部材を
貼設し、このシール部材に二次シールとしての可
撓被体を被覆し、閉扉時、上記開口部の壁面にシ
ール部材を電磁石吸引力によつて吸着して密封性
を得るように構成したものである。(Means for Solving Problems and Their Effects) The present invention provides a fuel pool in a reactor building housing a nuclear reactor, an electromagnet buried in the opening of a channel of this fuel pool, and a fuel pool facing the electromagnet. A sealing member made of iron powder-containing rubber is pasted on the side of the auxiliary gate, and a flexible cover is coated on this sealing member as a secondary seal, and when the door is closed, the sealing member is applied to the wall of the opening by an electromagnetic attraction force. The structure is such that it can be adsorbed to provide sealing properties.
（実施例）
以下、本発明を図示の一実施例について説明す
る。(Example) Hereinafter, the present invention will be described with reference to an illustrated example.
第１図乃至第５図において、符号１は、原子炉
（圧力容器）２を設置した原子炉建屋であつて、
上記原子炉２の上位には、原子炉ウエル３が形成
されており、この原子炉ウエル３に隣接する上記
原子炉建屋１には、純水４を貯溜した燃料プール
５が設けられている。又、この燃料プール５と上
記原子炉ウエル３との間には、チヤネル（水溝）
６が設けられており、上記燃料プール５内には、
使用済燃料７が、崩壊熱や放射線を上記純水４に
よつて遮蔽されて貯蔵されている。 1 to 5, reference numeral 1 denotes a reactor building in which a nuclear reactor (pressure vessel) 2 is installed,
A reactor well 3 is formed above the reactor 2, and a fuel pool 5 in which pure water 4 is stored is provided in the reactor building 1 adjacent to the reactor well 3. Additionally, a channel (water groove) is provided between this fuel pool 5 and the reactor well 3.
6 is provided, and within the fuel pool 5,
The spent fuel 7 is stored while being shielded from decay heat and radiation by the pure water 4.
一方、上記燃料プール５のチヤネル６には、一
対をなす主ゲート８及び補助ゲート９が昇降自在
に設けられており、特に、この補助ゲート９は上
記チヤネル６の開口壁面６ａに当接し得るように
して設けられている。又、上記開口壁面６ａに
は、第３図及び第４図に示されるように、電磁石
１０が埋設されており、この電磁石１０はリード
線１１を介して操作盤１２に接続されている。さ
らに、上記電磁石１０に対峙する上記補助ゲート
９の側面９ａには、第４図及び第５図に示される
ように、鉄粉混入ゴム（鉄粉入ゴム）による帯状
のシール部材１３が、間〓Ｃを存して有頭ねじの
ような取付部材１４によつて外方へ抜出ないよう
にして緩しく取付けられており、上記シール部材
１３の外側は無鉄粉による可撓被体１５によつて
被覆されている。即ち、シール部材１３は補助ゲ
ート９の側面９ａに間〓Ｃを存して取付部材１４
で取付けられることにより、電磁石１０の作動
（通電）時、このシール部材１３は、チヤネル６
の開口壁面６ａに可撓被体１５を介して密着する
ようにしている。 On the other hand, a pair of main gate 8 and an auxiliary gate 9 are provided in the channel 6 of the fuel pool 5 so as to be able to move up and down. It's set up. Further, as shown in FIGS. 3 and 4, an electromagnet 10 is embedded in the opening wall surface 6a, and this electromagnet 10 is connected to an operation panel 12 via a lead wire 11. Further, on the side surface 9a of the auxiliary gate 9 facing the electromagnet 10, as shown in FIGS. The sealing member 13 is loosely attached with a mounting member 14 such as a headed screw to prevent it from coming out outwardly, and the outer side of the sealing member 13 is a flexible covering 15 made of iron-free powder. covered by. That is, the sealing member 13 is attached to the mounting member 14 with a gap C between the side surface 9a of the auxiliary gate 9.
When the electromagnet 10 is operated (energized), the sealing member 13 is attached to the channel 6.
The flexible cover 15 is in close contact with the opening wall surface 6a of the flexible cover 15.
従つて、上記一対の主ゲート８と補助ゲート９
の開扉時、上記電磁石１０の通電を絶つことによ
り、上記鉄粉混入ゴムによるシール部材１３は上
記チヤネル６の開口壁面６ａからの吸着を、上記
可撓被体１５を介して解除されるから、上記主ゲ
ート８と補助ゲート９は自由に昇降し得るように
なつている。 Therefore, the pair of main gates 8 and auxiliary gates 9
When the door is opened, by cutting off the electricity to the electromagnet 10, the sealing member 13 made of iron powder-containing rubber is released from adsorption from the opening wall surface 6a of the channel 6 via the flexible cover 15. , the main gate 8 and the auxiliary gate 9 can be moved up and down freely.
次に、補助ゲート９の閉扉時、上記電磁石１０
に通電することにより、鉄粉混入ゴムによるシー
ル部材１３は、上記チヤネル６の開口壁面６ａに
可撓被体１５を介して吸着し、これによつて、水
密にシールし得るようになつている。 Next, when the auxiliary gate 9 is closed, the electromagnet 10
By energizing, the sealing member 13 made of rubber containing iron powder is attracted to the opening wall surface 6a of the channel 6 via the flexible cover 15, thereby achieving a watertight seal. .
以上述べたように本発明によれば、原子炉２を
収納した原子炉建屋１に燃料プール５を設け、こ
の燃料プール５のチヤネル６の開口壁面６ａに電
磁石１０を埋設し、この電磁石１０に対峙する補
助ゲート９の側面９ａに鉄粉混入ゴムによるシー
ル部材１３を貼設し、このシール部材１３に二次
シールとしての可撓被体１５を被覆してあるの
で、水密性が向上するばかりでなく、裕りをもつ
て均等に吸着し得るから、長期に亘つて水の漏洩
を防止できると共に、電磁石を解磁することによ
り、両ゲート８，９の開閉動作を円滑に行うこと
ができる。さらに、本発明のシール部材１３が補
助ゲート９の側面９ａに間〓Ｃを存して取付部材
１４で取付けられているから、電磁石１０の通電
時、このシール部材１３がチヤネル６の開口壁面
６ａに二次シールとしての可撓被体１５を介して
密着できるばかりでなく、電磁石１０の吸着から
解放されたシール部材１３は、上記間〓Ｃによつ
て自由に昇降できる等の優れた効果を有する。
As described above, according to the present invention, the fuel pool 5 is provided in the reactor building 1 housing the nuclear reactor 2, and the electromagnet 10 is buried in the opening wall surface 6a of the channel 6 of the fuel pool 5. A sealing member 13 made of iron powder-containing rubber is attached to the side surface 9a of the opposing auxiliary gate 9, and this sealing member 13 is covered with a flexible cover 15 as a secondary seal, which improves watertightness. Since the water can be attracted evenly and with sufficient margin, water leakage can be prevented for a long period of time, and by demagnetizing the electromagnet, the opening and closing operations of both gates 8 and 9 can be performed smoothly. . Further, since the sealing member 13 of the present invention is attached to the side surface 9a of the auxiliary gate 9 with a gap C, the sealing member 13 is attached to the opening wall surface 6a of the channel 6 when the electromagnet 10 is energized. Not only can the sealing member 13 be closely attached to the flexible cover 15 as a secondary seal through the flexible cover 15, but also the sealing member 13 released from the attraction of the electromagnet 10 has excellent effects such as being able to move up and down freely by the above-mentioned gap C. have
第１図は、本発明による燃料プールのゲートシ
ール装置を組込んだ原子炉建屋の断面図、第２図
は、同上平面図、第３図は、本発明の要部を示す
斜視図、第４図は、第２図中の鎖円Ａ部の拡大断
面図、第５図は、第４図の鎖線Ｂ−Ｂに沿う拡大
断面図である。
１……原子炉建屋、２……原子炉、５……燃料
プール、６……チヤネル、８……主ゲート、９…
…補助ゲート、１０……電磁、１３……シール部
材、１５……可撓被体。
FIG. 1 is a sectional view of a nuclear reactor building incorporating a fuel pool gate sealing device according to the present invention, FIG. 2 is a plan view of the same, and FIG. 3 is a perspective view showing essential parts of the present invention. 4 is an enlarged sectional view of the chain circle A section in FIG. 2, and FIG. 5 is an enlarged sectional view taken along the chain line B--B in FIG. 4. 1... Reactor building, 2... Nuclear reactor, 5... Fuel pool, 6... Channel, 8... Main gate, 9...
... Auxiliary gate, 10 ... Electromagnetic, 13 ... Seal member, 15 ... Flexible cover.
Claims (1)
設け、この燃料プールのチヤネルの開口壁面に電
磁石を埋設し、この電磁石に対峙する補助ゲート
の側面に鉄粉混入ゴムによるシール部材を貼設
し、このシール部材に二次シールとしての可撓被
体を被覆したことを特徴とする燃料プールのゲー
トシール装置。1. A fuel pool is provided in the reactor building that houses the reactor, an electromagnet is buried in the opening wall of the channel of this fuel pool, and a sealing member made of rubber mixed with iron powder is pasted on the side of the auxiliary gate facing the electromagnet. A gate sealing device for a fuel pool, characterized in that the sealing member is covered with a flexible covering as a secondary seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077143A JPS57191595A (en) | 1981-05-21 | 1981-05-21 | Gate seal device for fuel pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077143A JPS57191595A (en) | 1981-05-21 | 1981-05-21 | Gate seal device for fuel pool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57191595A JPS57191595A (en) | 1982-11-25 |
| JPS6324278B2 true JPS6324278B2 (en) | 1988-05-19 |
Family
ID=13625570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56077143A Granted JPS57191595A (en) | 1981-05-21 | 1981-05-21 | Gate seal device for fuel pool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57191595A (en) |
-
1981
- 1981-05-21 JP JP56077143A patent/JPS57191595A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57191595A (en) | 1982-11-25 |
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