JPH03128493A - Door device for nuclear power plant building - Google Patents
Door device for nuclear power plant buildingInfo
- Publication number
- JPH03128493A JPH03128493A JP1265075A JP26507589A JPH03128493A JP H03128493 A JPH03128493 A JP H03128493A JP 1265075 A JP1265075 A JP 1265075A JP 26507589 A JP26507589 A JP 26507589A JP H03128493 A JPH03128493 A JP H03128493A
- Authority
- JP
- Japan
- Prior art keywords
- door
- building
- power plant
- steam
- pressure
- 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
- 239000011824 nuclear material Substances 0.000 claims abstract description 4
- 238000009835 boiling Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 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
Landscapes
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明は原子炉建屋、タービン建屋などの機器搬出入口
の扉装置を改良した原子力発電所建屋用扉装置に関する
。DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention (Field of Industrial Application) The present invention relates to a door device for a nuclear power plant building, which is an improved door device for an equipment loading/unloading entrance of a nuclear reactor building, a turbine building, or the like.
（従来の技術）
沸騰水型原子力発電所の建屋について、その概略を第３
図によって説明する。(Conventional technology) The outline of the building of a boiling water nuclear power plant is shown in Part 3.
This will be explained using figures.
第３図において符号１は原子炉建屋で、２はタービン建
屋を示している。原子炉建屋１内には原子炉圧力容器３
が原子炉格納容器４で格納されている。原子炉圧力容器
３には主蒸気管５が接続されており、主蒸気管５はター
ビン建屋２内のタービン発電機６を駆動するための蒸気
タービン室６ａへ接続されている。原子炉建屋１および
タービン建屋２にはそれぞれ機器搬出入ロアおよびブロ
ーアウトパネル８が設けられている。In FIG. 3, reference numeral 1 indicates a reactor building, and 2 indicates a turbine building. There is a reactor pressure vessel 3 in the reactor building 1.
is stored in the reactor containment vessel 4. A main steam pipe 5 is connected to the reactor pressure vessel 3, and the main steam pipe 5 is connected to a steam turbine room 6a for driving a turbine generator 6 in the turbine building 2. The reactor building 1 and the turbine building 2 are each provided with an equipment loading/unloading lower and a blowout panel 8.
ここで、原子炉建屋１内に格納されている原子炉圧力容
器３で発生した蒸気は主蒸気管５によってタービン建屋
２内に設置されているタービン室６ａに供給され、図示
してないタービンを回転駆動しタービン発電機６で発電
を行なう。Here, steam generated in a reactor pressure vessel 3 housed in a reactor building 1 is supplied to a turbine chamber 6a installed in a turbine building 2 through a main steam pipe 5, and a turbine (not shown) is operated. It is rotated and a turbine generator 6 generates electricity.
ところで、何らかの事由で主蒸気管５に破断事故が発生
した場合、原子炉格納容器４の健全性を守るため、破断
事故による原子炉建屋１内の圧力上昇を屋外へ開放すべ
（前述したように原子炉建屋１およびタービン建屋２に
はブローアウトパネル８が設けられている。ブローアウ
トパネル８は地震荷重、風荷重などによって開放されな
いように開放圧力が設定されている。By the way, if a rupture accident occurs in the main steam pipe 5 for some reason, in order to protect the integrity of the reactor containment vessel 4, the pressure increase in the reactor building 1 due to the rupture accident should be released to the outside (as described above). A blowout panel 8 is provided in the reactor building 1 and the turbine building 2. An opening pressure is set for the blowout panel 8 so that it will not be opened due to earthquake load, wind load, etc.
第４図は第３図における機器搬出入ロアの扉装置を概略
的に示した側面図である。すなわち、建屋１または２に
設けられた機器搬出入ロアの全面には搬出入口シャッタ
（以下、シャッタと記す）９がシャッタガイド１０を介
して建屋床１１から立設されており、このシャッタ９の
前面に間隙１２を有して核物質防護扉（以下、扉と記す
）１３が建屋床１１上に立設され、シャッタ９と扉１３
とで二重の扉が形成されたようになっている。FIG. 4 is a side view schematically showing the door device of the equipment loading/unloading lower in FIG. 3. That is, on the entire surface of the equipment loading/unloading lower provided in the building 1 or 2, a loading/unloading shutter (hereinafter referred to as a shutter) 9 is installed upright from the building floor 11 via a shutter guide 10. A nuclear material protection door (hereinafter referred to as door) 13 is installed on the building floor 11 with a gap 12 in the front, and the shutter 9 and the door 13
It looks like a double door is formed.
シャッタ９の上部にはシャッタ駆動部１４が配置されて
おり、この駆動部１４によってシャッタ９は上方に引き
上げられて搬出入ロアが開放され、また引き下ろされて
搬出入ロアが閉鎖するようになっている。さらに、扉１
３は観音開きになっており、扉金具１５で開閉自在に操
作される。A shutter drive unit 14 is arranged above the shutter 9, and the drive unit 14 pulls the shutter 9 upward to open the loading/unloading lower, and pulls it down to close the loading/unloading lower. ing. Furthermore, door 1
3 has double doors, and can be opened and closed using door fittings 15.
このような扉装置では、シャッタ９は駆動部１４を作動
させ建屋床１１上から上下移動し搬出入ロアを開閉する
ものであり、扉１３は不法侵入者などの防護用として設
けられるもので堅固な構造になっている。In such a door device, the shutter 9 operates the drive unit 14 and moves up and down from the building floor 11 to open and close the loading/unloading lower, and the door 13 is provided for protection against illegal intruders and is solid. It has a structure.
（発明が解決しようとする課題）
上記建屋１または２におけるブローアウトパネル８は原
子炉を通常運転している場合には必要でないものであり
、そのパネル８の面積を極力小さくすることが経済的に
も好ましい。また建屋１または２内の圧力上昇を抑える
ことは必要であり、主蒸気管５の破断事故に際してもそ
の蒸気を速やかに建屋外へ放出して安定化をはかり、か
つブローアウトパネル８の面積を縮少化した簡易な構造
を有する扉装置が要求される課題がある。(Problem to be solved by the invention) The blowout panel 8 in the building 1 or 2 is not necessary when the reactor is normally operated, and it is economical to reduce the area of the panel 8 as much as possible. Also preferred. In addition, it is necessary to suppress the pressure rise inside the building 1 or 2, and even in the event of a rupture of the main steam pipe 5, it is necessary to quickly release the steam outside the building to stabilize it, and to reduce the area of the blowout panel 8. There is a problem that requires a door device having a reduced size and simple structure.
本発明は上記課題を解決するためになされたもので、構
造が簡易でかつブローアウトパネルを除去またはその面
積を大幅に縮少化できる経済的にすぐれた原子力発電建
屋用扉装置を提供することにある。The present invention has been made to solve the above problems, and an object of the present invention is to provide an economically superior door device for a nuclear power generation building that has a simple structure and can eliminate the blowout panel or significantly reduce its area. It is in.
［発明の構成］
（課題を解決するための手段）
本発明は沸騰水型原子力発電所の建屋に設けられた機器
搬出入口に第１の扉と第２の扉とを上下方向に連接して
なり、前記第１の扉は主蒸気管破断時の蒸気の圧力で開
閉する機能を有し、前記第２の扉は核物質防護機能を有
することを特徴とする。[Structure of the Invention] (Means for Solving the Problems) The present invention provides a system in which a first door and a second door are vertically connected to an equipment loading/unloading entrance provided in a building of a boiling water nuclear power plant. The first door has a function of opening and closing with the pressure of steam at the time of rupture of the main steam pipe, and the second door has a function of protecting nuclear materials.
（作 用）
原子炉の運転中何らかの事由によって主蒸気管が破断し
て建屋内に蒸気が吹き出した場合、その蒸気の圧力で第
１の扉が開くかまたは破断するので蒸気を建屋外へ放出
することができる。よって、第１の扉が従来のブローア
ウトパネルの機能を果すことができるので、従来のブロ
ーアウトを除去するか、第１の扉に小型のブローアウト
パネルを取付けることによってブローアウトパネルの取
付は面積を縮少化できる。(Function) If the main steam pipe breaks for some reason during reactor operation and steam blows out into the building, the first door will open or break due to the pressure of the steam, and the steam will be released outside the building. can do. Therefore, since the first door can perform the function of a conventional blowout panel, the installation of a blowout panel can be done by removing the conventional blowout or by attaching a smaller blowout panel to the first door. The area can be reduced.
（実施例）
第１図および第２図を参照しながら本発明に係る原子力
発電所建屋用扉装置の一実施例を説明する。(Example) An example of a door device for a nuclear power plant building according to the present invention will be described with reference to FIGS. 1 and 2.
図中、第３図および第４図と同一部分には同一符号を付
して説明する。図中符号１または２は原子力発電所内の
原子炉建屋またはタービン建屋を示しており、この建屋
１または２には機器搬出入口が設けられている。この機
器搬出入ロアには第１の扉としてたて方向の長さが短く
なった観音開き型式の第１の扉１６が設けられている。In the figure, the same parts as in FIGS. 3 and 4 are given the same reference numerals and explained. Reference numeral 1 or 2 in the figure indicates a reactor building or a turbine building in a nuclear power plant, and this building 1 or 2 is provided with an equipment loading/unloading entrance. This equipment loading/unloading lower is provided with a double door type first door 16 whose length in the vertical direction is shortened.
この第１の扉１６にはこの扉１６を緊定するための扉金
具１７が設けられている。この扉金具１７は従来設けら
れていたブローアウトパネル８の開放圧力値で破壊され
、主蒸気管５の破断時には第１の扉１６が開放される圧
力破壊用弁機能を有している。This first door 16 is provided with a door metal fitting 17 for tightening this door 16. This door metal fitting 17 is broken by the opening pressure value of the conventionally provided blowout panel 8, and has a pressure breaking valve function that opens the first door 16 when the main steam pipe 5 breaks.
また、第１の扉１６の下端部には第１の扉１６と垂直線
上に建屋床１１から第２の扉１８が第２の扉１８の受は
台を兼ねて連設されている。第２の扉１８は不法侵入者
などの防護として建屋床１１に立設されているだけでな
く機器の搬出大扉も兼ねており、背面に固定側扉金具１
５を有し、観音開き型式に構成されている。Further, at the lower end of the first door 16, a second door 18 is connected from the building floor 11 on a perpendicular line to the first door 16, and the holder of the second door 18 also serves as a stand. The second door 18 is not only installed on the building floor 11 to protect against illegal intruders, but also serves as a large equipment removal door, and has a fixed side door fitting 1 on the back.
5, and is configured in a double door type.
しかして、上記実施例では第１の扉１６の下端に第２の
扉１８を設けた上下二段の扉装置であって、第１の扉１
６の高さはたとえば機器搬出入口７の高さ約ＩＱｍから
第２の扉１８の高さ約５ｍを減じて約５ｍとなっている
。Therefore, in the above embodiment, the second door 18 is provided at the lower end of the first door 16, and the second door 18 is provided in the upper and lower two stages.
The height of the door 6 is approximately 5 m, for example, by subtracting the height of the second door 18, approximately 5 m, from the height of the equipment loading/unloading entrance 7, approximately IQm.
ここで、機器を建屋１または２内に搬出入する場合には
第１の扉１６および第２の扉１８を用いて機器搬出入ロ
アを全面解放状態にしたのち機器を搬出入する。一方、
機器搬出入ロアを閉じる場合には第１の扉１６および第
２の扉１８を閉じればよい。When carrying equipment into or out of the building 1 or 2, the first door 16 and second door 18 are used to fully open the equipment loading/unloading lower, and then the equipment is loaded/unloaded. on the other hand,
When closing the equipment loading/unloading lower, the first door 16 and the second door 18 may be closed.
上記実施例において、原子炉を運転中、何らかの事由で
主蒸気管５が破損して蒸気が建屋１または２内に放出さ
れた場合、第１の扉１６に取着した圧力破壊側扉金具１
７がはずれて第１の扉が開き、建屋１または２内の蒸気
を外部へ放出することができる。In the above embodiment, when the main steam pipe 5 is damaged for some reason during operation of the nuclear reactor and steam is released into the building 1 or 2, the pressure break side door fitting 1 attached to the first door 16
7 is removed, the first door opens, and the steam inside the building 1 or 2 can be released to the outside.
なお、第１の扉１６を観音開き型式にすることなく、電
動シャッタ型式を採用した第１の扉１６とすることもで
きる。この場合、第１の扉１６は第２の扉１８上に連設
することになり、第２の扉１８は第１の扉１６の受は台
となる。また、主蒸気管５の破断事故時には第１の扉１
６の周囲に設けたシャッタガイド（図示せず）は従来設
けられているブローアウトパネル８の開放圧力値で建屋
１または２からはずれ、第１の扉１６が倒れることによ
って建屋１または２内の圧力を解放することができる。Note that instead of making the first door 16 a double door type, the first door 16 may be of an electric shutter type. In this case, the first door 16 is arranged in series on the second door 18, and the second door 18 serves as a stand for the first door 16. In addition, in the event of a breakage accident of the main steam pipe 5, the first door 1
The shutter guide (not shown) provided around the door 6 is detached from the building 1 or 2 due to the opening pressure of the conventionally provided blowout panel 8, and as the first door 16 falls down, the shutter guide (not shown) inside the building 1 or 2 is removed. Pressure can be released.
なお、第１の扉１６または第２の扉に従来例よりも小型
のブローアウトパネルまたはラブチャーデスクを取着す
ることによっても上記実施例と同様の効果を奏する。Note that the same effects as in the above embodiment can also be achieved by attaching a blowout panel or a loveture desk smaller than the conventional example to the first door 16 or the second door.
［発明の効果］
本発明によれば第１および第２の扉の構造が簡単となり
、従来のブローアウトパネルを除去または縮少化するこ
とができるため、コストを低減することができる。また
建屋内の圧力上昇値を速やかに低減することができる。[Effects of the Invention] According to the present invention, the structure of the first and second doors is simplified, and the conventional blowout panel can be removed or reduced in size, so that costs can be reduced. Moreover, the pressure increase inside the building can be quickly reduced.
第１図は本発明に係る原子力発電所扉装置の一実施例を
示す正面図、第２図は第１図の側面図、第３図は従来例
を説明するための原子力発電所建屋を概略的に示す模式
図、第４図は第３図における扉装置の側面図である。
１・・・原子炉建屋
２・・・タービン建屋
３・・・原子炉圧力容器
４・・・原子炉格納容器
５・・・主蒸気管
６・・・タービン発電機
６ａ・・・タービン室
７・・・機器搬出入口
８・・・ブローアウトパネル
９・・・シャッタ
Ｏ・・・シャツタガイト
ド・・建屋床
２・・・間隙
３・・・扉
４・・・シャッタ駆動部
５・・・固定用扉金具
６・・・第１の扉
７・・・圧力破壊側扉金具
８・・・第２の扉
５
第１図
第２図Fig. 1 is a front view showing an embodiment of a nuclear power plant door device according to the present invention, Fig. 2 is a side view of Fig. 1, and Fig. 3 is a schematic diagram of a nuclear power plant building for explaining a conventional example. FIG. 4 is a side view of the door device in FIG. 3. 1... Reactor building 2... Turbine building 3... Reactor pressure vessel 4... Reactor containment vessel 5... Main steam pipe 6... Turbine generator 6a... Turbine room 7 ...Equipment loading/unloading entrance 8...Blowout panel 9...Shutter O...Shirt gate guide...Building floor 2...Gap 3...Door 4...Shutter drive section 5... Fixing door fitting 6...First door 7...Pressure breakdown side door fitting 8...Second door 5 Fig. 1 Fig. 2
Claims (1)
口に第１の扉と第２の扉とを上下方向に連設してなり、
前記第１の扉は主蒸気管破断時の蒸気の圧力で開放する
機能を有し、前記第２の扉は核物質防護機能を有するこ
とを特徴とする原子力発電所建屋用扉装置。A first door and a second door are vertically connected to an equipment loading/unloading entrance provided in a building of a boiling water nuclear power plant,
A door device for a nuclear power plant building, wherein the first door has a function of opening by steam pressure when a main steam pipe breaks, and the second door has a nuclear material protection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1265075A JPH03128493A (en) | 1989-10-13 | 1989-10-13 | Door device for nuclear power plant building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1265075A JPH03128493A (en) | 1989-10-13 | 1989-10-13 | Door device for nuclear power plant building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03128493A true JPH03128493A (en) | 1991-05-31 |
Family
ID=17412250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1265075A Pending JPH03128493A (en) | 1989-10-13 | 1989-10-13 | Door device for nuclear power plant building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03128493A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016217771A (en) * | 2015-05-15 | 2016-12-22 | 株式会社東芝 | Operation floor confinement zone and nuclear power plant |
-
1989
- 1989-10-13 JP JP1265075A patent/JPH03128493A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016217771A (en) * | 2015-05-15 | 2016-12-22 | 株式会社東芝 | Operation floor confinement zone and nuclear power plant |
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