JPS6291291U - - Google Patents
Info
- Publication number
- JPS6291291U JPS6291291U JP1985182645U JP18264585U JPS6291291U JP S6291291 U JPS6291291 U JP S6291291U JP 1985182645 U JP1985182645 U JP 1985182645U JP 18264585 U JP18264585 U JP 18264585U JP S6291291 U JPS6291291 U JP S6291291U
- Authority
- JP
- Japan
- Prior art keywords
- pressure vessel
- reactor pressure
- pedestal
- radiation shield
- radiation
- 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
- 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 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel 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
- Pressure Vessels And Lids Thereof (AREA)
Description
第１図は本考案の原子炉圧力容器用ペデスタル
における放射線遮蔽構造の一実施例を示す正断面
図、第２図は第１図の―線に沿う一部を省略
した矢視断面拡大図、第３図は第１図の鎖線で
示す部分の拡大詳細図である。
１……放射線遮蔽体、２……原子炉圧力容器用
ペデスタル、２ａ……鋼製壁、３……筒状ハウジ
ング、４……貫通孔、５……金属層、５ａ……孔
、６……中性子線用遮蔽層、７……スリーブ、７
ａ……中空部、８……固定板、９……グレーチン
グ。
FIG. 1 is a front sectional view showing an embodiment of the radiation shielding structure in a pedestal for a reactor pressure vessel according to the present invention, and FIG. 2 is an enlarged sectional view taken along the line - in FIG. FIG. 3 is an enlarged detailed view of the portion indicated by the chain line in FIG. 1. DESCRIPTION OF SYMBOLS 1... Radiation shield, 2... Pedestal for reactor pressure vessel, 2a... Steel wall, 3... Cylindrical housing, 4... Through hole, 5... Metal layer, 5a... Hole, 6... ...Neutron beam shielding layer, 7...Sleeve, 7
a...Hollow part, 8...Fixing plate, 9...Grating.
Claims (1)
る制御棒駆動機構の各筒状ハウジングを該鉛直方
向に移動自在に挿通させた状態で原子炉圧力容器
用ペデスタル中央部の空間を遮断する放射線遮蔽
体を設けるとともに、該放射線遮蔽体は、原子炉
圧力容器用ペデスタル内周部に支持される金属層
の上に、中性子線用遮蔽層を設けてなることを特
徴とする原子炉圧力容器用ペデスタルにおける放
射線遮蔽構造。 A radiation shield that blocks a space in the center of a reactor pressure vessel pedestal with each cylindrical housing of a control rod drive mechanism vertically protruding from the reactor pressure vessel being inserted so as to be movable in the vertical direction. A pedestal for a reactor pressure vessel, characterized in that the radiation shield is provided with a neutron beam shielding layer on a metal layer supported on the inner peripheral part of the pedestal for a reactor pressure vessel. Radiation shielding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985182645U JPS6291291U (en) | 1985-11-27 | 1985-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985182645U JPS6291291U (en) | 1985-11-27 | 1985-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6291291U true JPS6291291U (en) | 1987-06-11 |
Family
ID=31128635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985182645U Pending JPS6291291U (en) | 1985-11-27 | 1985-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013003016A (en) * | 2011-06-17 | 2013-01-07 | Mitsubishi Heavy Ind Ltd | Radiation shielding method and apparatus and processing method of structure |
-
1985
- 1985-11-27 JP JP1985182645U patent/JPS6291291U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013003016A (en) * | 2011-06-17 | 2013-01-07 | Mitsubishi Heavy Ind Ltd | Radiation shielding method and apparatus and processing method of structure |
| US9460820B2 (en) | 2011-06-17 | 2016-10-04 | Mitsubishi Heavy Industries, Ltd. | Radiation shielding method and device, and method of processing structure |
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