JPS61266996A - Method of removing sample vessel of side-surface mounting and dismantling type radioactive gas removing filter - Google Patents
Method of removing sample vessel of side-surface mounting and dismantling type radioactive gas removing filterInfo
- Publication number
- JPS61266996A JPS61266996A JP10913785A JP10913785A JPS61266996A JP S61266996 A JPS61266996 A JP S61266996A JP 10913785 A JP10913785 A JP 10913785A JP 10913785 A JP10913785 A JP 10913785A JP S61266996 A JPS61266996 A JP S61266996A
- Authority
- JP
- Japan
- Prior art keywords
- radioactive gas
- sample container
- glove
- filter
- gas removal
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
- Measurement Of Radiation (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、放射性ガスを含む排ガス（以下、放射性ガス
と称す）を放射性ガス吸着物を用いて吸着濾過して清浄
化する放射性ガス除去用フィルタにおいて、この放射性
ガス除去用フィルタの吸着性能の偏ψ；を点検するため
のサンプル容器を、密封状態で取り外せるようにした側
面取り付け取り外し屋放射性ガス除去用フィルタのサン
プル容器の取゛り外し方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is a method for removing radioactive gas, in which waste gas containing radioactive gas (hereinafter referred to as radioactive gas) is purified by adsorption filtration using a radioactive gas adsorbent. In the filter, the sample container for checking the adsorption performance deviation ψ; of the radioactive gas removal filter can be removed in a sealed state.A method for removing the sample container of the radioactive gas removal filter Regarding.
一般に、放射性ガス除去用フィルタにおいては、放射性
ガスの導入運転を続けているうちに、放射性ガス吸着物
は放射性ガスの吸着性能が徐々番こ低下する。このため
に、一定期間が経過すれば、放射性ガス除去用フィルタ
は吸着性能のいかんにかかわらず交換されている。Generally, in a radioactive gas removal filter, as the radioactive gas introduction operation continues, the radioactive gas adsorption performance of the radioactive gas adsorbent gradually decreases. For this reason, the radioactive gas removal filter is replaced after a certain period of time, regardless of its adsorption performance.
したがって、放射性ガス除去用フィルタ交換口交換着性
能の劣化が許容される範囲内にある早期に交換しなけれ
ばならず、必らずしも性能限度まで充分に使用しておら
ず、不経済なものである。Therefore, it is necessary to replace the filter replacement port for radioactive gas removal as soon as the deterioration of the performance is within an allowable range. It is something.
そこで、放射性ガス除去用フィルタの放射性ガスの吸着
性能の確認をし、吸着性能が許容限度まで劣化した時点
で放射性ガス除去用フィルタを交換できることが要望さ
れる。Therefore, it is desired to be able to confirm the radioactive gas adsorption performance of the radioactive gas removal filter and replace the radioactive gas removal filter when the adsorption performance has deteriorated to an allowable limit.
本発明は、上記事情に鑑みなされたもので、放射性ガス
除去用フィルタの性能を確認するために設けられたサン
プル容器の取り外し方法であって。The present invention was made in view of the above circumstances, and is a method for removing a sample container provided for confirming the performance of a radioactive gas removal filter.
バグにグローブを設け、このグローブに取り外シたサン
プル容器を引き込み、さらに、サンプル容器が引き込ま
れたグローブの口を２箇所密封し、この密封された２箇
所の中間でグローブを切断し。A glove is provided on the bag, the removed sample container is drawn into the glove, the opening of the glove into which the sample container is drawn is sealed in two places, and the glove is cut in the middle of these two sealed places.
もって、サンプル容器を密封状態で取り外すことができ
る側面取り付け・敗り外し減放射性ガス除去用フィルタ
のサンプル容器の取り外し方法を提供することを目的と
する。Therefore, it is an object of the present invention to provide a method for removing a sample container of a radiation-reducing gas removal filter that can be attached to the side and removed in a sealed state.
以下１本発明の実施例について、第１図ないし第６図を
参照して説明する。第１図から第６図までは１本発明の
側面取り付け取り外し型放射註ガス除去用フィルタのテ
ンプル容器の取り外し方法の一実施例の各工程をそれぞ
れ示す図である。An embodiment of the present invention will be described below with reference to FIGS. 1 to 6. FIGS. 1 to 6 are diagrams showing each step of an embodiment of a method for removing a temple container of a side-mounted and removable filter for removing radiant gas according to the present invention.
図中、１は上下が開放された箱状をなすケーシングであ
り、このケーシング１に放射性ガス除去用フィルタ２と
試験用放射性ガス吸着物３が詰められた複数のサンプル
容器４とが配設されている。In the figure, 1 is a box-shaped casing with an open top and bottom, and a radioactive gas removal filter 2 and a plurality of sample containers 4 filled with test radioactive gas adsorbents 3 are arranged in this casing 1. ing.
このケーシング１の上下には図示しないダンパーが設け
られ、また１図示しない送風機により放射性ガスが放射
性ガス除去用フィルタ２とサンプル容器４に導入される
。このサンプル容器４は流体継手等−こより分離が容易
に構成され、さらには。Dampers (not shown) are provided above and below the casing 1, and radioactive gas is introduced into the radioactive gas removal filter 2 and the sample container 4 by a blower (not shown). This sample container 4 is configured to be easily separated by a fluid coupling, etc.
オリフィス等によりサンプル容器４と放射性ガス除去用
フィルタ２とへの放射性ガスの流入が同様となるように
配慮されている。さらに、ケーシング１の側壁には、フ
ィルタ交換口５が設けられ。The orifice or the like is designed to ensure that the radioactive gas flows into the sample container 4 and the radioactive gas removal filter 2 in the same manner. Furthermore, a filter exchange port 5 is provided on the side wall of the casing 1.
蓋６により通常時は閉塞状態にある。そして、このフィ
ルタ交換口５はビニール等の気密性のあるシートで形成
された袋状のバグ７で密封され・さらに・このバグ７に
は複数のグローブ８が設けられている。It is normally closed by the lid 6. The filter exchange port 5 is sealed with a bag-shaped bag 7 made of an airtight sheet such as vinyl, and the bag 7 is further provided with a plurality of gloves 8.
まず、第１因の放射性ガスの導入運転より、送風機を停
止し、さらには、ケーシング１の上下のダンパーを閉成
して、第２図のごとく蓋６を開き。First, in order to introduce the radioactive gas which is the first cause, the blower is stopped, the upper and lower dampers of the casing 1 are closed, and the lid 6 is opened as shown in FIG. 2.
バグ７をフィルタ交換口５より外側に引き出す。The bug 7 is pulled out from the filter exchange port 5.
そして、第３０のごとくバグ７に設置られたグローブ８
の一つに手を差し込み、サンプル容器４を流体継手より
分離する。次に、グローブ８の内と外を反転させるよう
にして取り外したサンプル容器４をグローブ８の内側に
引き込み、第４図の状態とする。このサンプル容器４が
引き込まれたグローブ８の口元を少なくとも２箇所きつ
く閉じて密封し、この密封された２箇所の中間で、第５
図のごとくグローブ８を切断する。切断されたグローブ
８の切断部はいずれも密封状態にあり１周囲を放射性で
汚染することがない。切断されたグローブ８で密封され
たサンプル容器４内に詰められ九試験用放射性ガス吸着
物３は、この密封状態のまま吸着性能確認装置に供され
る。この試験用放射性ガス吸着物、３の放射性ガスの吸
着性能が、許容限度まで劣化していなければ、放射性ガ
ス除去用フィルタ２は使用継続可能である。そこで、グ
ローブ８が切断されたバグ７を放射性ガスの流れに影響
を与えないようにフィルタ交換口５の内側に収納し、蓋
６を閉成し、ケーシング１の上下のダン／ぞ−を開成し
、送風機の運転を行なって放射性ガスの導入運転を再開
する。And the glove 8 installed on bug 7 as in the 30th
, and separate the sample container 4 from the fluid coupling. Next, the removed sample container 4 is pulled into the inside of the glove 8 by turning the inside and outside of the glove 8 upside down, resulting in the state shown in FIG. 4. The mouth of the glove 8 into which the sample container 4 is drawn is tightly closed and sealed at least in two places, and a fifth part is placed between the two sealed places.
Cut the glove 8 as shown in the figure. The cut portions of the cut globe 8 are all sealed and do not contaminate the surrounding area with radioactivity. The nine test radioactive gas adsorbate 3 packed in the sample container 4 sealed with the cut glove 8 is provided to the adsorption performance confirmation device in this sealed state. If the radioactive gas adsorption performance of the test radioactive gas adsorbent 3 has not deteriorated to the permissible limit, the radioactive gas removal filter 2 can continue to be used. Therefore, the bag 7 with the glove 8 cut off is stored inside the filter exchange port 5 so as not to affect the flow of radioactive gas, the lid 6 is closed, and the upper and lower holes of the casing 1 are opened. Then, operate the blower and restart the introduction of radioactive gas.
このように、サンプル容器４を適宜な時点で取り外し、
吸着性能の確認を行なうことで、放射性ガス除去用フィ
ルタ２の吸着性能が許容限度まで劣化する時点を判定す
ることができ、放射性ガス除去用フィルタ２を最適時に
交換することができ。In this way, the sample container 4 is removed at an appropriate time, and
By checking the adsorption performance, it is possible to determine the point in time when the adsorption performance of the radioactive gas removal filter 2 deteriorates to the permissible limit, and the radioactive gas removal filter 2 can be replaced at an optimal time.
経済的に便利である。It is economically convenient.
なシ、バグ７に設けられるグローブ８は、サンプル容器
４の取り外しのためと、放射性ガス除去用フィルタ２の
交換のためとで、サンプル容器４の設置個数に２個加え
九個数設けておけばよい。No, the number of gloves 8 provided on the bug 7 is two for the number of installed sample containers 4 and nine gloves for removing the sample container 4 and for replacing the radioactive gas removal filter 2. good.
上記実施例では、サンプル容器４を１個取り外す毎に１
個のグローブ８を使用し１次に別のサンプル容器４を取
り外すには別のグローブ８を使用するものを説明したが
、これに限られることなく。In the above embodiment, each time one sample container 4 is removed, one
Although a case has been described in which one glove 8 is used first and another glove 8 is used to remove another sample container 4, the present invention is not limited to this.
グローブ８を十分に長くした１個のグローブ８を用意し
、先端部より順次切断しながら使用するものであっても
よい。It is also possible to prepare one glove 8 having a sufficiently long length and use the glove 8 by cutting it sequentially from the tip.
以上説明したように、上記工程からなる本発明の側面取
り付け取り外し型放射性ガス除去用フィルタのサンプル
容器の取り外し方法ｉこよれば、取り外されたサンプル
容器はグローブで密封され。As explained above, according to the method for removing a sample container of a side-mounted and removable radioactive gas removal filter of the present invention, which includes the above steps, the removed sample container is sealed with a glove.
周囲を放射能で汚染する虞れがなく、サンプル容器の取
り外し作業が容易であり、特に、グローブの口元を密封
すれば九りるため、確実に密封することができる等の優
れた効果を奏する。There is no risk of radioactive contamination of the surrounding area, sample containers can be easily removed, and the opening of the glove can be sealed to ensure a secure seal. .
第１図から第６図までは１本発明の側面取り付け取り外
し型放射性ガス除去用フィルタのサンプル容器の取り外
し方法の一実施例の各工程をそれぞれ示す図である、
図において、１・・・ケーシング、２・・・放射性ガス
除去用フィルタ、３・・・試験用放射性ガス吸着物。
４・・・サンプル容器、５・・・フィルタ交換口、６・
・・蓋。
７・・・バグ、８・・・グローブである。
特許出願人 進和チック株式会社
株式会社日本環境調査研究所
代理人 弁理士 島 １） 登、、、、６：５．−；
；汗・、。
第１図
第２１１１
第３図
第４図
第６ｉ１1 to 6 are diagrams showing each step of an embodiment of a method for removing a sample container of a side-mounted and removable filter for removing radioactive gas according to the present invention. In the figures, 1... casing , 2... Filter for removing radioactive gas, 3... Radioactive gas adsorbent for test. 4... Sample container, 5... Filter replacement port, 6...
··lid. 7...Bug, 8...Glove. Patent applicant Shinwa Chic Co., Ltd. Japan Environmental Research Institute Co., Ltd. Agent Patent attorney Shima 1) Noboru, 6:5. −;
;Sweat·,. Figure 1 Figure 2111 Figure 3 Figure 4 Figure 6i1
Claims (1)
られたサンプル容器を、次の工程で取り外すことを特徴
とした側面取り付け取り外し型放射性ガス除去用フィル
タのサンプル容器の取り外し方法。 （１）放射性ガス除去用フィルタへの送風を停止し、フ
ィルタ交換口の蓋を開き、バグを外側に引き出す工程。 （２）前記バグに設けられているグローブに手を差し込
んでサンプル容器を取り外す工程。 （３）取り外された前記サンプル容器を前記グローブ内
に引き込む工程。 （４）前記サンプル容器が引き込まれた前記グローブの
口を少なくとも２箇所密封し、この密封された２箇所の
中間で前記グローブを前記バグより切断する工程。 （５）前記バグを前記フィルタ交換口内に収納し、前記
蓋を閉じる工程。[Claims] A method for removing a sample container of a side-mounted and removable radioactive gas removal filter, characterized in that a sample container provided for confirming the performance of the radioactive gas removal filter is removed in the next step. . (1) The process of stopping the air blowing to the radioactive gas removal filter, opening the filter replacement port cover, and pulling out the bugs to the outside. (2) A step of inserting your hand into the glove provided on the bag and removing the sample container. (3) A step of drawing the removed sample container into the glove. (4) A step of sealing at least two openings of the glove into which the sample container has been drawn, and cutting the glove from the bag in the middle of the two sealed openings. (5) Storing the bag in the filter exchange port and closing the lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10913785A JPS61266996A (en) | 1985-05-21 | 1985-05-21 | Method of removing sample vessel of side-surface mounting and dismantling type radioactive gas removing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10913785A JPS61266996A (en) | 1985-05-21 | 1985-05-21 | Method of removing sample vessel of side-surface mounting and dismantling type radioactive gas removing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61266996A true JPS61266996A (en) | 1986-11-26 |
Family
ID=14502527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10913785A Pending JPS61266996A (en) | 1985-05-21 | 1985-05-21 | Method of removing sample vessel of side-surface mounting and dismantling type radioactive gas removing filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61266996A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996029587A1 (en) * | 1995-03-22 | 1996-09-26 | Moorepark Patents Limited | Device and method for sampling from a sealed bulk product |
-
1985
- 1985-05-21 JP JP10913785A patent/JPS61266996A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996029587A1 (en) * | 1995-03-22 | 1996-09-26 | Moorepark Patents Limited | Device and method for sampling from a sealed bulk product |
| GB2312664A (en) * | 1995-03-22 | 1997-11-05 | Moorepark Patents Ltd | Device and method for sampling from a sealed bulk product |
| GB2312664B (en) * | 1995-03-22 | 1998-07-01 | Moorepark Patents Ltd | Device and method for sampling from a sealed bulk product |
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