JPS6322552B2 - - Google Patents
Info
- Publication number
- JPS6322552B2 JPS6322552B2 JP56204728A JP20472881A JPS6322552B2 JP S6322552 B2 JPS6322552 B2 JP S6322552B2 JP 56204728 A JP56204728 A JP 56204728A JP 20472881 A JP20472881 A JP 20472881A JP S6322552 B2 JPS6322552 B2 JP S6322552B2
- Authority
- JP
- Japan
- Prior art keywords
- containment vessel
- reactor containment
- ring block
- piping
- constructing
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 description 18
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 238000004904 shortening 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
-
- 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)
- Processing Of Solid Wastes (AREA)
Description
【発明の詳細な説明】
本発明は原子炉格納容器の建設方法及びその方
法に使用するリングブロツク・配管ユニツト、詳
しくは原子力発電所における原子炉格納容器の据
付の際、先に鉄骨組立構造物をリングブロツク状
としたものを一部配管と共にユニツト化して搭載
することにより原子力発電所の建設工期の短縮、
作業の安全性の向上及びメインテナンス作業の容
易化を図ることのできる原子炉格納容器の建設方
法及びその方法に使用するリングブロツク・配管
ユニツトに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for constructing a nuclear reactor containment vessel and a ring block/piping unit used in the method. The construction period of nuclear power plants can be shortened by installing ring block-shaped parts together with some piping as a unit.
The present invention relates to a method of constructing a nuclear reactor containment vessel that can improve work safety and facilitate maintenance work, and a ring block/piping unit used in the method.
従来、原子力発電所における原子炉格納容器の
組立は第１図に示すように組立用仮設足場ａを築
きながら原子炉格納容器ｂを組立ているが、これ
は空中作業であるため非常に危険な作業である。 Conventionally, when assembling a reactor containment vessel at a nuclear power plant, the reactor containment vessel B is assembled while building a temporary scaffolding a as shown in Figure 1, but this is extremely dangerous work because it is done in the air. It is.
又、第２図に示すように原子炉格納容器内に鉄
骨ｃの単品を搭載し鉄骨組立構造物ｄを予め組立
て、しかる後その外周に原子炉格納容器を組立て
ているため、工期が長くなり且つ精度管理が非常
にむずかしくなる等の問題点が存在していた。 In addition, as shown in Figure 2, a single steel frame c is mounted inside the reactor containment vessel, the steel frame assembly structure d is assembled in advance, and then the reactor containment vessel is assembled around its outer periphery, which increases the construction period. In addition, there were problems such as accuracy control being extremely difficult.
本発明は上述の従来の原子炉格納容器の建設方
法の欠点を除去し、鉄骨組立構造物をブロツク化
し配管とのユニツト化を図り仮設足場をなくすこ
とにより、鉄骨据付工期、配管ステージの工期及
び原子炉格納容器のリークテストまでの工期を短
縮して原子力発電所建設の工期を短縮すると共に
仮設足場による高所作業をなくし作業の安全性を
向上し、更に鉄骨据付精度の向上を図ることを目
的としたものである。すなわち、鉄骨を環状に接
続したリングを鉄骨により複数層に接続してなる
筒状のリングブロツクに、配管を取付けてユニツ
ト化し、該リングブロツク・配管ユニツトを原子
炉格納容器建設予定場所に搭載し、前記リングブ
ロツクを作業足場として原子炉格納容器を建設す
ることを特徴とする原子炉格納容器の建設方法に
かかるものであり、及び鉄骨を原子炉格納容器の
内周に沿うよう接続してリングとなし、該リング
を鉄骨により層状に接続し筒状にしてなり単独で
運搬及び積層可能なリングブロツクに配管を取付
けたことを特徴とする原子炉格納容器の建設方法
に使用するリングブロツク・配管ユニツトにかか
るものである。 The present invention eliminates the drawbacks of the conventional reactor containment vessel construction methods described above, blocks the steel frame assembly structure, integrates it with piping, and eliminates temporary scaffolding, thereby reducing the steel frame installation period, the piping stage construction period, and so on. We aim to shorten the construction period for nuclear power plant construction by shortening the time required for leak testing of reactor containment vessels, improve work safety by eliminating the need for high-altitude work using temporary scaffolding, and further improve the accuracy of steel frame installation. This is the purpose. In other words, piping is attached to a cylindrical ring block formed by connecting steel frames in multiple layers in a ring, and the ring block/piping unit is mounted at the site where the reactor containment vessel is planned to be constructed. , a method for constructing a reactor containment vessel characterized in that a reactor containment vessel is constructed using the ring block as a work scaffold, and a ring block is constructed by connecting steel frames along the inner periphery of the reactor containment vessel. A ring block and piping used in a method for constructing a nuclear reactor containment vessel, characterized in that the rings are connected in layers by steel frames to form a cylinder, and piping is attached to the ring block, which can be transported and stacked independently. It depends on the unit.
以下、本発明の実施例を図面を参照しつつ説明
する。 Embodiments of the present invention will be described below with reference to the drawings.
第３図は原子炉格納容器の建設方法に使用する
リングブロツク１を示すものであり、鉄骨２の単
品を原子炉格納容器の内周に沿うよう多数接続し
て多角形のリング３となし、該リング３を鉄骨
２′により層状に接続し組立ててある。 Figure 3 shows a ring block 1 used in the method of constructing a reactor containment vessel, in which a large number of individual steel frames 2 are connected along the inner circumference of the reactor containment vessel to form a polygonal ring 3. The rings 3 are connected and assembled in layers by steel frames 2'.
該リングブロツク１に配管４を取付けユニツト
化すると共に、該リングブロツク１のリング３の
内周所要位置に吊り上げ移動用のワイヤロープ５
を結ぶブラケツト６を設け、原子炉格納容器設置
予定場所への搭載を容易にしてある。 A pipe 4 is attached to the ring block 1 to form a unit, and a wire rope 5 for lifting and moving is installed at a required position on the inner circumference of the ring 3 of the ring block 1.
A bracket 6 is provided to connect the reactor containment vessel, making it easy to install it in the planned location of the reactor containment vessel.
原子炉格納容器を建設する際は、予め組立工場
等で鉄骨２，２′の単品によりリングブロツク１
を組立て、配管４を取付けてユニツト化したもの
を原子炉格納容器設置場所に運び、該リングブロ
ツク１の内周に設けたブラケツト６に長さを調整
し得るよう結んだワイヤロープ５をクレーン等の
吊上装置により吊り上げ、所定の設置場所に据付
る。次に、該リングブロツク１を鉄骨組立構造物
とし、第４図に示すようにその外周に原子炉格納
容器７を建設する。この建設の際前記リングブロ
ツク１は原子炉格納容器７の溶接及び塗装等の作
業足場として使用する。 When constructing a reactor containment vessel, ring blocks 1 are assembled using individual steel frames 2 and 2' in advance at an assembly factory, etc.
The ring block 1 is assembled and the piping 4 is attached to form a unit, which is transported to the reactor containment vessel installation site, and the wire rope 5 tied to the bracket 6 provided on the inner periphery of the ring block 1 so that the length can be adjusted is moved using a crane, etc. Lift it up using the lifting device and install it at the designated installation location. Next, the ring block 1 is made into a steel frame assembly structure, and a reactor containment vessel 7 is constructed around its outer periphery as shown in FIG. During this construction, the ring block 1 is used as a scaffold for welding, painting, etc. of the reactor containment vessel 7.
なお、本発明の原子炉格納容器の建設方法及び
その方法に使用するリングブロツク・配管ユニツ
トは上述の実施例に限定されるものではなく本発
明の要旨を逸脱しない範囲内において種々変更を
加え得ることは勿論である。 The method of constructing a nuclear reactor containment vessel of the present invention and the ring block/piping unit used in the method are not limited to the above-described embodiments, and various changes may be made without departing from the gist of the present invention. Of course.
以上述べたように、本発明の原子炉格納容器の
建設方法及びその方法に使用するリングブロツ
ク・配管ユニツトによれば、
() 原子炉格納容器建設用の鉄骨組立構造物と
して予め別途組立てたリングブロツクを一体搭
載するので、鉄骨組立構造物の組立、据付工期
を短縮することができると共に鉄骨据付精度を
向上することができる。 As described above, according to the method of constructing a reactor containment vessel and the ring block/piping unit used in the method of the present invention, () a ring separately assembled in advance as a steel frame assembly structure for constructing a reactor containment vessel; Since the blocks are integrally mounted, the assembly and installation period of the steel frame assembly structure can be shortened, and the accuracy of steel frame installation can be improved.
() リングブロツクに配管を取付けてユニツト
化することが容易であるので、配管ステージで
の工期を短縮することができる。() Since it is easy to attach piping to the ring block and form a unit, the construction period at the piping stage can be shortened.
() リングブロツクを原子炉格納容器建設の際
の溶接及び塗装等の作業用足場として兼用する
ことができるので、従来必要としていた仮設足
場の建設及び仮設足場上での作業等危険な高所
作業をなくすことができ、作業の安全性を高め
ることができる。() Ring blocks can also be used as scaffolding for work such as welding and painting during the construction of the reactor containment vessel, so dangerous high-place work such as construction of temporary scaffolding and work on temporary scaffolding, which was previously required, is now possible. can be eliminated and work safety can be improved.
() 仮設足場を不要としたので、原子炉格納容
器の建設が終了した後、仮設足場の解体作業を
することなく直ちに原子炉格納容器のリークテ
ストを行なうことができるので、工期を短縮す
ることができる。() Since no temporary scaffolding is required, after the construction of the reactor containment vessel is completed, a leak test of the reactor containment vessel can be carried out immediately without dismantling the temporary scaffolding, which shortens the construction period. Can be done.
() 以上述べた（）（）及び（）の効果
により原子力発電所建設の工期を大幅に短縮す
ることができる。() Due to the effects of (), () and () mentioned above, the construction period for nuclear power plant construction can be significantly shortened.
() リングブロツクは原子炉格納容器建設終了
後に保守点検用の足場としても用いることがで
き便利である。() The ring block is convenient because it can also be used as a scaffold for maintenance and inspection after the construction of the reactor containment vessel is completed.
等、種々の優れた効果を発揮する。etc., exhibits various excellent effects.
第１図は従来の原子炉格納容器の建設に使用す
る仮設足場の説明図、第２図は従来の原子炉格納
容器の建設に使用する鉄骨組立構造物の説明図、
第３図は本発明の原子炉格納容器の建設方法に使
用するリングブロツクの説明図、第４図は本発明
の原子炉格納容器の建設方法による建設状態を示
す説明図である。
図中、１はリングブロツク、２，２′は鉄骨、
４は配管、６はブラケツト、７は原子炉格納容器
を示す。
Figure 1 is an explanatory diagram of temporary scaffolding used in the construction of a conventional reactor containment vessel, Figure 2 is an explanatory diagram of a steel frame assembly structure used in the construction of a conventional reactor containment vessel,
FIG. 3 is an explanatory diagram of a ring block used in the method of constructing a reactor containment vessel of the present invention, and FIG. 4 is an explanatory diagram showing the state of construction by the method of constructing a reactor containment vessel of the present invention. In the figure, 1 is a ring block, 2 and 2' are steel frames,
4 indicates piping, 6 indicates a bracket, and 7 indicates a reactor containment vessel.
Claims (1)
数層に接続してなる筒状のリングブロツクに、配
管を取付けてユニツト化し、該リングブロツク・
配管ユニツトを原子炉格納容器建設予定場所に搭
載し、前記リングブロツクを作業足場として原子
炉格納容器を建設することを特徴とする原子炉格
納容器の建設方法。 ２ 鉄骨を原子炉格納容器の内周に沿うよう接続
してリングとなし、該リングを鉄骨により層状に
して接続し、筒状にしてなり単独で運搬及び積層
可能なリングブロツクに配管を取付けたことを特
徴とする原子炉格納容器の建設方法に使用するリ
ングブロツク・配管ユニツト。[Claims] 1. A cylindrical ring block formed by connecting steel frames in a plurality of layers in an annular manner, with piping attached to it to form a unit.
1. A method for constructing a reactor containment vessel, comprising: installing a piping unit at a planned site for constructing a reactor containment vessel; and constructing a reactor containment vessel using the ring block as a work scaffold. 2 Steel frames were connected along the inner circumference of the reactor containment vessel to form a ring, and the rings were connected in layers with steel frames to form a cylindrical ring block, which could be transported and stacked independently, and the piping was attached to it. A ring block/piping unit used in a method of constructing a nuclear reactor containment vessel, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56204728A JPS58105090A (en) | 1981-12-17 | 1981-12-17 | Method of building reactor container and ring block used for its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56204728A JPS58105090A (en) | 1981-12-17 | 1981-12-17 | Method of building reactor container and ring block used for its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58105090A JPS58105090A (en) | 1983-06-22 |
| JPS6322552B2 true JPS6322552B2 (en) | 1988-05-12 |
Family
ID=16495324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56204728A Granted JPS58105090A (en) | 1981-12-17 | 1981-12-17 | Method of building reactor container and ring block used for its method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105090A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649993A (en) * | 1979-09-29 | 1981-05-06 | Hitachi Ltd | Method of fixing nuclear reactor plant |
| JPS56141591A (en) * | 1980-04-07 | 1981-11-05 | Tokyo Shibaura Electric Co | Method of installing reactor container |
-
1981
- 1981-12-17 JP JP56204728A patent/JPS58105090A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649993A (en) * | 1979-09-29 | 1981-05-06 | Hitachi Ltd | Method of fixing nuclear reactor plant |
| JPS56141591A (en) * | 1980-04-07 | 1981-11-05 | Tokyo Shibaura Electric Co | Method of installing reactor container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58105090A (en) | 1983-06-22 |
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