JPH03277993A - Support stand for reactor pressure vessel - Google Patents
Support stand for reactor pressure vesselInfo
- Publication number
- JPH03277993A JPH03277993A JP2076985A JP7698590A JPH03277993A JP H03277993 A JPH03277993 A JP H03277993A JP 2076985 A JP2076985 A JP 2076985A JP 7698590 A JP7698590 A JP 7698590A JP H03277993 A JPH03277993 A JP H03277993A
- Authority
- JP
- Japan
- Prior art keywords
- support frame
- piping
- duct
- opening
- opening parts
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 238000010248 power generation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 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〕
（産業上の利用分野）
本発明は沸騰水型原子力発電設備における原子炉圧力容
器支持架台構造に係り、特に原子炉圧力容器支持架台に
配管、ダクト、ベント、ケーブル等を収納した原子炉圧
力容器支持架台に関する。Detailed Description of the Invention [Object of the Invention] (Industrial Application Field) The present invention relates to a reactor pressure vessel support structure in a boiling water nuclear power generation facility, and particularly relates to a structure for supporting a reactor pressure vessel in a reactor pressure vessel support frame. This invention relates to a reactor pressure vessel support frame that houses vents, cables, etc.
（従来の技術）
沸騰水型原子力発電設備では原子炉建屋内に原子炉格納
容器が格納され、この原子炉格納容器内に収納された原
子炉圧力容器（以下、ＲＰＶという。）が原子炉圧力容
器支持架台（以下、ＲＰ■支持架台という。）上に支持
される。従来このＲＩ） Ｖ支持架台の構造は、特開昭
６３−２８４４９３号公報にも開示されており、第４図
の横断面図に示すように、同心円状に配設された複数の
円筒形の鉄板１と放射状に配設された複数の鉄板２とを
一体に結合して組み立て、この円筒組立体に複数の開口
部３を残してコンクリート４を注入してＲＰ■支持架台
５を構成している。このＲＰＶ支持架台５の開口部３に
、配管、ケーブル等を案内する構成部材６を挿通し、こ
の構成部材６内に配管やケーブル等を挿通案内している
。このようにして、ＲＰＶ支持架台５内に配管、ケーブ
ルボックス（シュート）等が収納可能な構造となってい
る。(Prior art) In a boiling water nuclear power generation facility, a reactor containment vessel is housed in a reactor building, and a reactor pressure vessel (hereinafter referred to as RPV) housed in this reactor containment vessel measures the reactor pressure. It is supported on a container support pedestal (hereinafter referred to as RP■ support pedestal). The structure of the conventional RI) V support frame is also disclosed in Japanese Patent Application Laid-Open No. 63-284493, and as shown in the cross-sectional view of FIG. A steel plate 1 and a plurality of radially arranged steel plates 2 are combined and assembled together, and concrete 4 is poured into this cylindrical assembly leaving a plurality of openings 3 to form an RP support frame 5. There is. A structural member 6 for guiding piping, cables, etc. is inserted into the opening 3 of the RPV support frame 5, and the piping, cables, etc. are inserted and guided into the structural member 6. In this way, the structure is such that piping, cable boxes (chutes), etc. can be stored within the RPV support frame 5.
（発明が解決しようとする課題）
従来のＲＰＶ支持架台は、一般にはＲＰＶ支持架台完成
後に配管やケーブル等の構成部材６を開口部３内に挿通
させて据え付ける据付工事を行なっており、このためＲ
ＰＶ支持架台５の狭い開口部３内で配管等を案内する構
成部材６の据付工事が必要であった。(Problems to be Solved by the Invention) Conventional RPV support frames are generally installed by inserting structural members 6 such as piping and cables into openings 3 after the RPV support frame is completed. R
It was necessary to install a component 6 for guiding piping and the like within the narrow opening 3 of the PV support frame 5.
本発明は上述した事情を考慮してなされたもので、ケー
ブルボックスやダクト等の据付工事を不要にする一方、
据付工事を不要にしても、多数の配管、ケーブル、ダク
ト、ベント等をＲＰＶ支持架台に貫通させて収納可能な
ＲＰＶ支持架台を提供することを目的とする。The present invention has been made in consideration of the above-mentioned circumstances, and while eliminating the need for installation work of cable boxes and ducts,
To provide an RPV support frame capable of storing a large number of pipes, cables, ducts, vents, etc. by penetrating the RPV support frame without requiring installation work.
（課題を解決するための手段）
本発明に係るＲＰＶ持架台架台上述した課題を解決する
ために、同心円状に配設した複数の円筒形の鉄板と放射
状に配設した複数の鉄板とを一体に組み立て、この円筒
組立体に複数の開口部を残してコンクリートを注入して
構成されたＲＰＶ支持架台において、上記ＲＰＶ支持架
台の開口部をダクト、ケーブルボックス、ベントまたは
配管貫通孔部として構成したものである。(Means for Solving the Problems) In order to solve the above problems of the RPV holding frame mount according to the present invention, a plurality of cylindrical iron plates arranged concentrically and a plurality of iron plates arranged radially are integrated. In the RPV support frame constructed by assembling the cylindrical assembly and pouring concrete leaving a plurality of openings in this cylindrical assembly, the openings of the RPV support frame are configured as ducts, cable boxes, vents, or piping through holes. It is something.
（作用）
このＲＰＶ支持架台は、多重円筒形の鉄板と放射状の鉄
板とを一体に組み立てた円筒組立体に、複数の開口部を
残してコンクリートを注入してＲＰＶ支持架台を構成し
、このＲＰＶ支持架台の開口部を配管貫通孔部やダクト
、ケーブルボックス、ベントとして利用したので、原子
炉格納容器内の上部空間と下部空間とを連絡する配管や
ケーブル、ダクト等を多数必要とする原子炉発電設備に
有効であり、ＲＰＶ支持架台の構造体としての機能を損
うこともない。(Function) This RPV support frame is constructed by pouring concrete into a cylindrical assembly made by integrally assembling multiple cylindrical steel plates and radial steel plates, leaving a plurality of openings. The openings of the support frame are used as pipe through holes, ducts, cable boxes, and vents, so reactors that require a large number of pipes, cables, ducts, etc. to connect the upper and lower spaces in the reactor containment vessel. It is effective for power generation equipment, and does not impair the function of the RPV support frame as a structure.
また、ＲＰＶ支持架台の開口部を配管貫通孔部やダクト
、ケーブルボックス、ベントとして直接利用できるので
、ケーブルボックスやダクト等の据付工事が不要となる
一方、開口部への配管、やケーブル等をガイドする構成
部材の据付けが不要となる。また、配管も配管サポート
や据付具を介しての取付けが不要で、配管貫通部へのコ
ンクリートの注入、硬化による簡単な配管の仮設定で配
管を据付、保持させることができる。In addition, since the opening of the RPV support frame can be used directly as a piping through hole, duct, cable box, or vent, there is no need to install cable boxes, ducts, etc. There is no need to install guiding components. Further, the piping does not need to be installed using piping supports or fixtures, and the piping can be installed and maintained by simply temporarily setting the piping by pouring concrete into the piping penetration and hardening.
（実施例）
以下、本発明に係るＲＰＶ支持架台の一実施例について
添付図面を参照して説明する。(Example) Hereinafter, an example of the RPV support mount according to the present invention will be described with reference to the accompanying drawings.
第２図は本発明のＲＰＶ支持架台を有する沸騰水型原子
炉設備を示すものであり、この原子炉設備は原子炉建屋
１０内に原子炉格納容器１１が格納されている。この原
子炉格納容器１１内には原子炉圧力容器（ＲＰＶ）１２
が収納され、このＲＰＶ１２は原子炉建屋マット１３上
に構築され、立設されたＲＰＶ支持架台１４により支持
される。FIG. 2 shows a boiling water reactor facility having an RPV support frame according to the present invention, and in this reactor facility, a reactor containment vessel 11 is housed in a reactor building 10. Inside this reactor containment vessel 11 is a reactor pressure vessel (RPV) 12.
This RPV 12 is constructed on a reactor building mat 13 and supported by an erected RPV support frame 14.
このＲＰＶ支持架台１４は、第１図および第３図に示す
ように同心円状に配設された複数の円筒形の鉄板１５と
放射状に配設された複数の鉄板１６とを一体に結合して
組み立てた円筒組立体１７を有し、この円筒組立体１７
に複数の開口部１８を残してコンクリート１９を注入す
ることにより構成される。As shown in FIGS. 1 and 3, this RPV support frame 14 is constructed by integrally combining a plurality of cylindrical iron plates 15 arranged concentrically and a plurality of iron plates 16 arranged radially. having an assembled cylinder assembly 17;
It is constructed by pouring concrete 19 leaving a plurality of openings 18 in the hole.
また、原子炉格納容器１１内は、第２図に示すように、
上部のドライウェル２０と下部のウェットウェルとして
の圧力抑制室２１とに区画される。In addition, the inside of the reactor containment vessel 11 is as shown in FIG.
It is divided into an upper dry well 20 and a lower pressure suppression chamber 21 as a wet well.
この圧力抑制室２１はＲＰＶ支持架台１４の外側に位置
される。圧力抑制室２１は、サプレッションチャンバと
して機能し、原子炉運転中はプール水を溜め、事故時に
は原子炉格納容器１１内に発生した蒸気を凝縮させるチ
ャンバである。This pressure suppression chamber 21 is located outside the RPV support frame 14. The pressure suppression chamber 21 functions as a suppression chamber, and is a chamber that stores pool water during reactor operation and condenses steam generated within the reactor containment vessel 11 in the event of an accident.
一方、ＲＰＶ支持架台１４に形成される複数の開［１部
１８は、事故時に原子炉格納容器１１内で発生ずる蒸気
を圧力抑制室２１に導く開口であったり、原子炉格納容
器１１内の温度を調整する空気調和用ダクト２２連絡用
開口、ＲＰＶ１２の下方機器へのケーブル２３配線用開
口である。また、原子炉格納容器１１の上部および下部
を連絡する配管２４は、ＲＰＶ支持架台１４の開口部１
８に挿通された後、コンクリート２５を注入することに
より埋設されて仮固定され、開口部１８内に貫通保持さ
れる。On the other hand, a plurality of openings 18 formed in the RPV support frame 14 are openings that guide steam generated in the reactor containment vessel 11 during an accident to the pressure suppression chamber 21, or These are an opening for communicating with the air conditioning duct 22 that adjusts the temperature, and an opening for wiring the cable 23 to the equipment below the RPV 12. Further, the piping 24 connecting the upper and lower parts of the reactor containment vessel 11 is connected to the opening 1 of the RPV support frame 14.
8 , it is buried and temporarily fixed by pouring concrete 25 , and is held through the opening 18 .
次に、ＲＰＶ支持架台１４の構築および作用について述
べる。Next, the construction and operation of the RPV support frame 14 will be described.
ＲＰＶ支持架台１４は原子炉建屋マット１３上に多重円
筒形鉄板１５と放射状鉄板１６とを一体に結合して円筒
組立体１７を組み立て、この円筒組立体１７に複数の開
口部１８を残してコンクリート１９を注入することによ
り構成される。各鉄板１５．１６によって円筒組立体１
７を構築する際に、各開口部１８をそれぞれの目的に応
じた寸法形状に設定する。The RPV support frame 14 is constructed by assembling a cylindrical assembly 17 by integrally joining multiple cylindrical steel plates 15 and radial steel plates 16 on the reactor building mat 13, and leaving a plurality of openings 18 in the cylindrical assembly 17 and inserting the concrete into the cylindrical assembly 17. 19. Cylindrical assembly 1 by each iron plate 15.16
7, each opening 18 is set to a size and shape according to its purpose.
ＲＰＶ支持架台１４に形成される各開口部１８は、空気
調和用ダクト２２、ケーブル２３を案内するケーブルボ
ックス、蒸気を導く開口としてのベント、あるいは配管
挿通用開口としての配管貫通孔部として構成され、ＲＰ
Ｖ１２下の原子炉格納容器１１内の圧力抑制室２１とド
ライウェル２０とを多数の開口部１８を介して連絡して
いる。Each opening 18 formed in the RPV support frame 14 is configured as an air conditioning duct 22, a cable box for guiding the cable 23, a vent as an opening for guiding steam, or a pipe through hole as an opening for pipe insertion. , R.P.
The pressure suppression chamber 21 in the reactor containment vessel 11 under V12 and the dry well 20 are communicated via a number of openings 18.
このうち、開口部１８内に挿通される配管２４は、開口
部１８に挿通され、貫通設定（仮設定）後に、コンクリ
ート２５を注入することにより固定され、開口部１８内
に固定保持される。この配管保持（据付）作業は、ＲＰ
Ｖ支持架台１４の対応する開口部１８にコンクリート２
５を注入するだけでよいので、開口部１８の狭い空間内
での複雑な作業を省略でき、配管保持固定作業が簡素化
される。Among these, the pipe 24 that is inserted into the opening 18 is inserted into the opening 18, and after the penetration setting (temporary setting), it is fixed by pouring concrete 25 and is fixedly held within the opening 18. This piping maintenance (installation) work is carried out by RP.
Concrete 2 is placed in the corresponding opening 18 of the V support frame 14.
Since it is only necessary to inject 5, complicated work within the narrow space of the opening 18 can be omitted, and the pipe holding and fixing work can be simplified.
以上に述べたように本発明に係る原子炉圧力容器支持架
台においては、原子炉圧力容器支持架台に形成される開
口部をダクト、ケーブルボックス、ベントあるいは配管
貫通孔部として構成したので、原子炉圧力容器支持架台
の開口部を直ちに空気調和用ダクト、ケーブルボックス
（ケーブルダクト）、ベントとして利用することができ
、原子炉格納容器内上部空間と下部空間とを連絡する配
管やケーブル、ダクト等を多数必要とする原子力発電設
備に特に有効で適したものとなる。As described above, in the reactor pressure vessel support frame according to the present invention, the opening formed in the reactor pressure vessel support frame is configured as a duct, a cable box, a vent, or a pipe through hole. The opening of the pressure vessel support frame can be used immediately as an air conditioning duct, cable box (cable duct), or vent, and can be used to connect piping, cables, ducts, etc. that connect the upper and lower spaces inside the reactor containment vessel. It is particularly effective and suitable for nuclear power generation facilities that require a large number of them.
また、原子炉圧力容器支持架台の開口部をケーブルボッ
クスやダクト等としてそのまま利用したので、ケーブル
ボックスやダクトを別途据付ける据付工事が不要となる
一方、原子炉圧力容器支持架台を構築した後の支持架台
内部工事は開口部内への配管の仮設定だけとなるので、
現地での建設工事期間を大幅に短縮させることができる
。In addition, since the opening of the reactor pressure vessel support frame is used as it is as a cable box, duct, etc., there is no need for installation work to separately install a cable box or duct. The internal work of the support frame will only involve temporarily setting up the piping inside the opening.
The on-site construction period can be significantly shortened.
第１図は本発明に係る原子炉圧力容器支持架台の一実施
例を示す部分的な縦断面図、第２図は本発明の原子炉圧
力容器支持架台を適用した沸騰水型原子力発電設備の縦
断面図、第３図は本発明の原子炉圧力容器支持架台を示
す平断面図、第４図は従来の原子炉圧力容器支持架台を
示す平断面図である。
１０・・・原子炉建屋、１１・・・原子炉格納容器、１
２・・・原子炉圧力容器（ＲＰＶ）、１３・・・原子炉
建屋マット、１４・・・原子炉圧力容器支持架台（Ｒｐ
ｖ支持架台）、１５．１６・・・鉄板、１７・・・円筒
組立体、１８・・・開口部、１９．２５・・・コンクリ
ド、２２・・・ダクト、２３・・・ケーブル、２４・・
・配管。
１３
第
図
９
第
図
第４図FIG. 1 is a partial vertical cross-sectional view showing an embodiment of the reactor pressure vessel support frame according to the present invention, and FIG. 2 is a partial vertical cross-sectional view of a boiling water nuclear power generation facility to which the reactor pressure vessel support frame of the present invention is applied. A longitudinal sectional view, FIG. 3 is a plan sectional view showing a reactor pressure vessel support frame of the present invention, and FIG. 4 is a plan sectional view showing a conventional reactor pressure vessel support frame. 10... Reactor building, 11... Reactor containment vessel, 1
2... Reactor pressure vessel (RPV), 13... Reactor building mat, 14... Reactor pressure vessel support frame (Rp
v support frame), 15.16... Iron plate, 17... Cylindrical assembly, 18... Opening, 19.25... Concrete, 22... Duct, 23... Cable, 24...・
·Piping. 13 Figure 9 Figure 4
Claims (1)
した複数の鉄板とを一体に組み立て、この円筒組立体に
複数の開口部を残してコンクリートを注入して構成され
た原子炉圧力容器支持架台において、上記原子炉圧力容
器支持架台の開口部をダクト、ケーブルボックス、ベン
トまたは配管貫通孔部として構成したことを特徴する原
子炉圧力容器支持架台。Nuclear reactor pressure constructed by assembling multiple cylindrical iron plates arranged concentrically and multiple iron plates radially arranged, and injecting concrete into the cylindrical assembly by leaving a plurality of openings in the cylindrical assembly. A reactor pressure vessel support frame, characterized in that the opening of the reactor pressure vessel support frame is configured as a duct, a cable box, a vent, or a pipe through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2076985A JP2945706B2 (en) | 1990-03-28 | 1990-03-28 | Reactor pressure vessel support base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2076985A JP2945706B2 (en) | 1990-03-28 | 1990-03-28 | Reactor pressure vessel support base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03277993A true JPH03277993A (en) | 1991-12-09 |
| JP2945706B2 JP2945706B2 (en) | 1999-09-06 |
Family
ID=13621074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2076985A Expired - Fee Related JP2945706B2 (en) | 1990-03-28 | 1990-03-28 | Reactor pressure vessel support base |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2945706B2 (en) |
-
1990
- 1990-03-28 JP JP2076985A patent/JP2945706B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2945706B2 (en) | 1999-09-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |