JPH0548158Y2 - - Google Patents
Info
- Publication number
- JPH0548158Y2 JPH0548158Y2 JP1985075558U JP7555885U JPH0548158Y2 JP H0548158 Y2 JPH0548158 Y2 JP H0548158Y2 JP 1985075558 U JP1985075558 U JP 1985075558U JP 7555885 U JP7555885 U JP 7555885U JP H0548158 Y2 JPH0548158 Y2 JP H0548158Y2
- Authority
- JP
- Japan
- Prior art keywords
- radioactive gas
- filter
- sample
- radioactive
- sample container
- 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 - Lifetime
Links
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Measurement Of Radiation (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、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イルタ
において、この放射性ガス除去用フイルタの吸着
性能の低下を点検するための側面取り付け取り外
し型放射性ガス除去用フイルタのサンプルフイル
タ装置の構造に関する。[Detailed description of the invention] [Industrial application field] This invention is a method for removing radioactive gases, which purifies exhaust gas containing radioactive gases (hereinafter referred to as radioactive gases) by adsorption filtration using a radioactive gas adsorbent. The present invention relates to the structure of a sample filter device of a side-mounted and removable type radioactive gas removal filter for checking the deterioration of adsorption performance of the radioactive gas removal filter.
一般に放射性ガス除去用フイルタにおいて、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に低下
するため、適宜な時期に交換しなければならな
い。そこで、放射性ガス除去用フイルタとは別個
に複数のサンプル容器に収納される放射性ガス吸
着物を設け、放射性ガス除去用フイルタと同様な
条件下で放射性ガスにさらし、このサンプル容器
に収納された放射性ガス吸着物を適当な時期に取
り付して吸着性能を確認し、その結果から放射性
ガス除去用フイルタの寿命を予測し交換時期を定
めている。
Generally, in a radioactive gas removal filter, the radioactive gas adsorbent gradually deteriorates in radioactive gas adsorption performance as the radioactive gas introduction operation continues, so it must be replaced at an appropriate time. Therefore, a radioactive gas adsorbent is provided which is housed in multiple sample containers separately from the radioactive gas removal filter, and is exposed to radioactive gas under the same conditions as the radioactive gas removal filter. The gas adsorbent is installed at an appropriate time to confirm the adsorption performance, and based on the results, the lifespan of the radioactive gas removal filter is predicted and the timing for replacement is determined.
ところで、従来の放射性ガス吸着物が詰められ
るサンプル容器は、数本のボルトとこれに螺合す
るナツト等により固定されており、その取り付け
取り外しが煩雑なものであつた。そこで、サンプ
ル容器に収納された放射性ガス吸着物の取り出し
作業がより簡単なものとすることが要望されてい
る。 Conventional sample containers in which radioactive gas adsorbents are packed are fixed by several bolts and nuts screwed onto them, making their installation and removal cumbersome. Therefore, there is a demand for a method for simplifying the removal of radioactive gas adsorbents stored in sample containers.
本考案は、上記事情に鑑みなされたもので、ダ
ーテイーサイドとクリーンサイドとの隔壁に、こ
の隔壁に一端を開口して設けられた筒状部と、こ
の筒状部の中間部に設けられ、取り外し時に自動
的に閉塞状態となる制止弁を有する流体継手とを
介して着脱可能に取り付けられたサンプル容器を
備え、このサンプル容器に、放射性ガス除去用フ
イルタに詰められた放射性ガス吸着物と同じ厚さ
の前記放射性ガス吸着物を詰めてなる構成とな
し、前記筒状部と前記流体継手とによつて容易
に、前記サンプル容器を取り付け取り外しするこ
とができる側面取り付け取り外し型放射性ガス除
去用フイルタのサンプルフイルタ装置の構成を提
供することを目的とする。
The present invention was developed in view of the above circumstances, and includes a cylindrical part provided in the partition wall between the dirty side and the clean side, with one end opened in the partition wall, and a cylindrical part provided in the middle part of this cylindrical part. , a sample container detachably attached via a fluid coupling having a stop valve that automatically closes when removed, and a radioactive gas adsorbent packed in a radioactive gas removal filter and a radioactive gas adsorbent packed in a radioactive gas removal filter. The side-mounted and removable radioactive gas removal device has a structure in which the radioactive gas adsorbent is filled with the same thickness, and the sample container can be easily attached and detached by the cylindrical part and the fluid coupling. The purpose is to provide a configuration of a sample filter device for a filter.
以下、本考案の実施例について、第１図ないし
第３図を参照して説明する。第１図は、本考案の
側面取り付け取り外し型放射性ガス除去用フイル
タのサンプルフイルタ装置の構造を示す一実施例
の全体概要図であり、第２図および第３図は、第
１図におけるサンプルフイルタ装置の構造の分離
状態と連結状態をそれぞれ示す図である。
Embodiments of the present invention will be described below with reference to FIGS. 1 to 3. FIG. 1 is an overall schematic view of one embodiment showing the structure of a sample filter device of a side-mounted and removable filter for removing radioactive gas according to the present invention, and FIGS. 2 and 3 show the structure of the sample filter device in FIG. FIG. 3 is a diagram showing a separated state and a connected state of the structure of the device, respectively.
図中、１は放射性ガスが導入される四角の筒状
のケーシングであり、内部上下を隔壁２でダーテ
イーサイド３とクリーンサイド４とに分割されて
いる。そして、この隔壁２に放射性ガスの導入口
を開口して放射性ガス除去用フイルタ５が設けら
れている。放射性ガス除去用フイルタ５は、袋小
路状の中空箱体の外装壁を二重の多孔板で形成
し、二重の多孔板の間に放射性ガス吸着物を詰め
たものである。ケーシング１の側壁には、この放
射性ガス除去用フイルタ５を交換するためのフイ
ルタ交換口６が設けられ、通常時は蓋（図示せ
ず）で閉塞されている。さらに隔壁２には、クリ
ーンサイド４側に突出してサンプルフイルタ装置
７が複数個（図では一個のみ示した）設けられて
いる。このサンプルフイルタ装置７は、隔壁２に
一端を開口して設けられた筒状部８の中間部に、
流体継手９を設け、さらに、この筒状部８の他端
はサンプル容器１０に開口されている。筒状部８
とサンプル容器１０との接続部にはオリフイス等
の流量制御部１１が設けられ通過ガス量が制御さ
れる。さらに、サンプル容器１０は、筒状部８の
接続される側面と対向する側面を多孔板１２，１
２で二重に形成し、この二重の多孔板１２，１２
の間に、試験用の放射性ガス吸着物１３が放射性
ガス除去用フイルタ５に詰められた放射性ガス吸
着物と同じ厚さに詰められている。ここで、流体
継手９を簡単に説明すれば、第１の部材１４に第
２の部材１５が螺合し、両部材１４，１５間に閉
塞方向に弾性付勢されて、制止弁１６を設け、さ
らに、第２の部材１５には第３の部材１７の移動
により突出若しくは後退するボール１８を設ける
とともに、第３の部材１７がボール１８を突出さ
せる位置に移動するよう弾性付勢するバネ１９が
設けられている。一方、第２の部材１５に挿入さ
れる第４の部材２０には係止溝２１が形成され、
挿入によりボール１８の突出で第２の部材１５に
係止され、かつ制止弁１６を弾力に抗して開成さ
せるよう構成されている。 In the figure, reference numeral 1 denotes a square cylindrical casing into which radioactive gas is introduced, and the interior is divided into a dirty side 3 and a clean side 4 by a partition wall 2 at the top and bottom. A radioactive gas removal filter 5 is provided in the partition wall 2 with an inlet for introducing the radioactive gas. The radioactive gas removal filter 5 is a dead-end hollow box whose outer wall is made of double perforated plates, and a radioactive gas adsorbent is packed between the double perforated plates. A filter exchange port 6 for exchanging the radioactive gas removal filter 5 is provided on the side wall of the casing 1, and is normally closed with a lid (not shown). Further, a plurality of sample filter devices 7 (only one is shown in the figure) are provided on the partition wall 2 so as to protrude toward the clean side 4 side. This sample filter device 7 has a cylindrical portion 8 provided in the partition wall 2 with one end opened, and a central portion thereof.
A fluid coupling 9 is provided, and the other end of the cylindrical portion 8 is opened to a sample container 10. Cylindrical part 8
A flow rate control unit 11 such as an orifice is provided at the connection between the sample container 10 and the sample container 10 to control the amount of gas passing through. Further, the sample container 10 has porous plates 12 and 1 on the side surface opposite to the side surface to which the cylindrical portion 8 is connected.
2, and this double perforated plate 12, 12
During this period, a radioactive gas adsorbent 13 for testing is packed to the same thickness as the radioactive gas adsorbent packed in the radioactive gas removal filter 5. Here, to briefly explain the fluid coupling 9, a second member 15 is screwed into a first member 14, and a stop valve 16 is provided between the two members 14 and 15 by being elastically biased in the closing direction. Furthermore, the second member 15 is provided with a ball 18 that protrudes or retreats as the third member 17 moves, and a spring 19 that elastically biases the third member 17 to move the ball 18 to a position where it protrudes. is provided. On the other hand, a locking groove 21 is formed in the fourth member 20 inserted into the second member 15,
When inserted, the ball 18 protrudes and is locked to the second member 15, and the stop valve 16 is opened against elasticity.
しかして、放射性ガスの導入運転の際に、サン
プルフイルタ装置７は流量制御部１１により放射
性ガス吸着物における通過風速が放射性ガス除去
用フイルタ５と同じに制御され、サンプル容器１
０と放射性ガス除去用フイルタ５とにそれぞれ詰
められた放射性ガス吸着物は同様の条件下にさら
される。そして、サンプル容器１０の取り出しに
は、第３の部材１７をバネ１９の弾力に抗して移
動させてボール１８を後退させ、容器に第４の部
材２０を引き抜き分離してサンプル容器１０を間
隔２から分離する。なお、第４の部材２０の引き
抜きにより制御弁１６は流体継手９を閉塞状態と
する。 Therefore, during the introduction operation of radioactive gas, the flow rate control unit 11 controls the sample filter device 7 to pass through the radioactive gas adsorbent at the same speed as that of the radioactive gas removal filter 5, and the sample filter device 7
The radioactive gas adsorbates packed in the radioactive gas removal filter 5 and the radioactive gas removal filter 5 are exposed to similar conditions. To take out the sample container 10, the third member 17 is moved against the elasticity of the spring 19 to retract the ball 18, and the fourth member 20 is pulled out and separated from the container to separate the sample container 10. Separate from 2. Note that by pulling out the fourth member 20, the control valve 16 closes the fluid coupling 9.
第４図は、本考案の側面取り付け取り外し型放
射性ガス除去用フイルタのサンプルフイルタ装置
の他の実施例であり、サンプルフイルタ装置７を
隔壁２よりダーテイーサイド３側に突出させて配
設し、フイルタ交換口６とは別個にケーシング１
にサンプルフイルタ装置７の取り出し口２２を設
けたものである。 FIG. 4 shows another embodiment of the sample filter device of the side-mounted and removable radioactive gas removal filter of the present invention, in which the sample filter device 7 is arranged to protrude from the partition wall 2 toward the dirty side 3, Casing 1 separate from filter exchange port 6
A take-out port 22 for the sample filter device 7 is provided at the top.
第５図は、第１図に示す本考案の側面取り付け
取り外し型放射性ガス除去用フイルタのサンプル
フイルタ装置における放射性ガス除去用フイルタ
５の構造を変更した他の実施例を示すものであ
る。第５図の実施例では、放射性ガス除去用フイ
ルタ２３は、一定の厚さの放射性ガス吸着物の層
を九十九折状に構成したものである。 FIG. 5 shows another embodiment in which the structure of the radioactive gas removal filter 5 in the sample filter device of the side-mounted and removable radioactive gas removal filter of the present invention shown in FIG. 1 is changed. In the embodiment shown in FIG. 5, the radioactive gas removal filter 23 is constructed by folding a layer of radioactive gas adsorbent with a constant thickness into a 99-fold shape.
以上説明したように、上記構造からなる本考案
の側面取り付け取り外し型放射性ガス除去用フイ
ルタのサンプルフイルタ装置によれば、ダーテイ
サイドとクリーンサイドの隔壁に、この隔壁に一
端を開口して設けられた筒状部と、この筒状部の
中間部に設けられ、取り外し時に自動的に閉塞状
態となる制止弁を有する流体継手とを介して着脱
可能に取り付けられたサンプル容器を備えた構成
としたので、このサンプル容器と筒状部と流体継
手とによつて容易に、かつ迅速に取り外すことが
でき、サンプル容器に詰められた試験用放射性ガ
ス吸着物を容易に取り出すことができる等の優れ
た効果を奏する。
As explained above, according to the sample filter device of the side-mounted and removable radioactive gas removal filter of the present invention having the above structure, a cylinder is provided in the partition wall between the dirty side and the clean side with one end opened in the partition wall. The structure includes a sample container that is removably attached via a fluid coupling that is provided in the middle of the cylindrical part and has a stop valve that automatically closes when removed. This sample container, cylindrical part, and fluid coupling can be easily and quickly removed, and has excellent effects such as being able to easily take out the test radioactive gas adsorbed substance packed in the sample container. play.
第１図は、本考案の側面取り付け取り外し型放
射性ガス除去用フイルタのサンプルフイルタ装置
の構造を示す一実施例の全体概要図、第２図およ
び第３図は、第１図におけるサンプルフイルタ装
置の構造の分離状態と連結状態をそれぞれ示す
図、第４図は、本考案の側面取り付け取り外し型
放射性ガス除去用フイルタのサンプルフイルタ装
置の他の実施例の全体概要図、第５図は、第１図
に示す本考案の側面取り付け取り外し型放射性ガ
ス除去用フイルタのサンプルフイルタ装置におけ
る放射性ガス除去用フイルタの構造を変更した他
の実施例を示す図である。
図において、２……隔壁、３……ダーテイーサ
イド、４……クリーンサイド、７……サンプルフ
イルタ装置、８……筒状部、９……流体継手、１
０……サンプル容器、１１……流量制御部、１３
……試験用放射性ガス吸着物である。
FIG. 1 is an overall schematic view of one embodiment of the structure of a sample filter device of a side-mounted and removable filter for removing radioactive gas according to the present invention, and FIGS. 2 and 3 show the structure of the sample filter device in FIG. 1. FIG. 4 is an overall schematic view of another embodiment of the sample filter device of the side-mounted and removable radioactive gas removal filter of the present invention, and FIG. It is a figure which shows the other Example which changed the structure of the radioactive gas removal filter in the sample filter apparatus of the side-mounted removable type radioactive gas removal filter of this invention shown in a figure. In the figure, 2... Partition wall, 3... Dirty side, 4... Clean side, 7... Sample filter device, 8... Cylindrical part, 9... Fluid coupling, 1
0...Sample container, 11...Flow rate control unit, 13
...It is a radioactive gas adsorbent for testing.
Claims (1)
の放射性ガスが放射性ガス除去用フイルタで濾過
清浄化されて流出するクリーンサイドとの隔壁
に、この隔壁に一端を開口して設けられた筒状部
と、この筒状部の中間部に設けられ、取り外し時
に自動的に閉塞状態となる制止弁を有する流体継
手とを介して着脱可能に取り付けられたサンプル
容器を備え、このサンプル容器に、前記放射性ガ
ス除去用フイルタに詰められた放射性ガス吸着物
と同じ厚さの前記放射性ガス吸着物を詰めてなる
構成としたことを特徴とする側面取り付け取し外
し型放射性ガス除去用フイルタのサンプルフイル
タ装置の構造。 A cylindrical part with one end opened in the partition wall between the dirty side where radioactive gas flows in and the clean side where the radioactive gas flows out after being filtered and cleaned by a radioactive gas removal filter; A sample container is provided in the middle of the cylindrical part and is removably attached via a fluid coupling having a stop valve that automatically closes when removed, and the sample container is equipped with a sample container for removing the radioactive gas. 1. A structure of a sample filter device for a side-mounted and removable filter for removing radioactive gas, characterized in that the radioactive gas adsorbent is packed with the same thickness as the radioactive gas adsorbed material packed in the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985075558U JPH0548158Y2 (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985075558U JPH0548158Y2 (en) | 1985-05-21 | 1985-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61190900U JPS61190900U (en) | 1986-11-27 |
| JPH0548158Y2 true JPH0548158Y2 (en) | 1993-12-20 |
Family
ID=30616889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985075558U Expired - Lifetime JPH0548158Y2 (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548158Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6021840Y2 (en) * | 1980-04-22 | 1985-06-28 | 三菱重工業株式会社 | Sample container attachment device in filter unit |
-
1985
- 1985-05-21 JP JP1985075558U patent/JPH0548158Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61190900U (en) | 1986-11-27 |
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