JPS6444488U - - Google Patents
Info
- Publication number
- JPS6444488U JPS6444488U JP13851087U JP13851087U JPS6444488U JP S6444488 U JPS6444488 U JP S6444488U JP 13851087 U JP13851087 U JP 13851087U JP 13851087 U JP13851087 U JP 13851087U JP S6444488 U JPS6444488 U JP S6444488U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- container
- collimator
- concentration
- measuring
- 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
- 238000005259 measurement Methods 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 claims 2
- 230000005251 gamma ray Effects 0.000 claims 1
- 238000000691 measurement method Methods 0.000 claims 1
- 239000012857 radioactive material Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Description
第１図は本考案の実施例を示す配置図、第２図
は計測フローを示すフローチヤートである。
１…ドラム缶、２…外部線源、５…Ｎａ検出
器、６…コリメータ、７…Ｇｅ検出器、８…コリ
メータ。
FIG. 1 is a layout diagram showing an embodiment of the present invention, and FIG. 2 is a flowchart showing a measurement flow. DESCRIPTION OF SYMBOLS 1...Drum, 2...External radiation source, 5...Na detector, 6...Collimator, 7...Ge detector, 8...Collimator.
Claims (1)
ｅ検出器とＮａ検出器と、前記容器を回転およ
び昇降させる回転昇降手段と、前記容器と各検出
器との間に配置されるコリメータと、前記Ｎａ
検出器と前記容器とを挾んで対向する位置に配置
される外部ガンマ線源と、前記各検出器からの極
く短時間の事前計測の結果により、放射能濃度の
測定にＧｅ検出器を用いる標準計測法か、ＣＴ計
測法を用いるかの計測手法の区分けを行い、事前
計測により、前記容器内の廃棄体の密度およびγ
線エネルギを測定して、Ｇｅ検出器による放射能
濃度測定の場合のコリメータ開口条件、ＣＴ計測
法による放射能濃度測定の場合のメツシユ数、ス
ライス数の条件を設定する演算装置とを具備した
ことを特徴とする放射能濃度測定装置。 G placed outside a container filled with radioactive material
an e detector, a Na detector, a rotating lifting means for rotating and lifting the container, a collimator disposed between the container and each detector, and a collimator arranged between the container and each detector;
An external gamma ray source placed opposite the detector and the container, and the results of very short preliminary measurements from each of the detectors, make it possible to standardize the use of a Ge detector to measure radioactivity concentration. The density and γ of the waste in the container are determined by pre-measurement.
Equipped with an arithmetic device that measures linear energy and sets collimator opening conditions for measuring radioactive concentration using a Ge detector, and conditions for the number of meshes and number of slices for measuring radioactive concentration using a CT measurement method. A radioactivity concentration measuring device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13851087U JPS6444488U (en) | 1987-09-10 | 1987-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13851087U JPS6444488U (en) | 1987-09-10 | 1987-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6444488U true JPS6444488U (en) | 1989-03-16 |
Family
ID=31400913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13851087U Pending JPS6444488U (en) | 1987-09-10 | 1987-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6444488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021096072A (en) * | 2019-12-13 | 2021-06-24 | 株式会社アトックス | Radiation measuring device and radiation measuring method |
-
1987
- 1987-09-10 JP JP13851087U patent/JPS6444488U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021096072A (en) * | 2019-12-13 | 2021-06-24 | 株式会社アトックス | Radiation measuring device and radiation measuring method |
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