JPH0437673Y2 - - Google Patents
Info
- Publication number
- JPH0437673Y2 JPH0437673Y2 JP1987061988U JP6198887U JPH0437673Y2 JP H0437673 Y2 JPH0437673 Y2 JP H0437673Y2 JP 1987061988 U JP1987061988 U JP 1987061988U JP 6198887 U JP6198887 U JP 6198887U JP H0437673 Y2 JPH0437673 Y2 JP H0437673Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- mounting shaft
- joint
- outer peripheral
- ultrasonic
- 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
- 239000000843 powder Substances 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000012857 radioactive material Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 206010073306 Exposure to radiation Diseases 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding 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
Description
【考案の詳細な説明】
＜産業上の利用分野＞
本考案は、主として原子力研究所やその関連設
備における気送管システムに使用する配管内部ク
リーニング装置に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention mainly relates to a piping internal cleaning device used for pneumatic pipe systems in nuclear research institutes and related facilities.
＜従来の技術＞
原子力研究所やその関連設備には、気送管シス
テムが設けられ、この気送管システムの配管を通
じて複数のグローブボツクスの間で放射性物質
（プルトニウム、ウラン等）の粉末が移送される
ようになつている。<Conventional technology> Atomic energy research institutes and related facilities are equipped with pneumatic pipe systems, and radioactive material (plutonium, uranium, etc.) powder is transferred between multiple glove boxes through the piping of this pneumatic pipe system. It is becoming more and more common.
＜考案が解決しようとする問題点＞
ところで、この気送管システムの配管の内部に
は、移送物である粉末が付着しやすく、移送回数
が増えるにつれて、その付着量が増大し、粉末の
移送を阻害するようになる。<Problems to be solved by the invention> By the way, powder, which is the transferred material, tends to adhere to the inside of the piping of this pneumatic pipe system, and as the number of transfers increases, the amount of adhesion increases, making it difficult to transfer the powder. It becomes obstructive.
そのため、気送管である配管からは、適宜、付
着粉末を除去する必要がある。しかしながら、放
射性物質を移送する配管の内部は放射能を帯びて
いるから、直接的に配管内部のクリーニングを行
なうことは極めて難しい。 Therefore, it is necessary to remove adhering powder from the piping, which is a pneumatic pipe, as appropriate. However, since the inside of the piping that transports radioactive substances is radioactive, it is extremely difficult to directly clean the inside of the piping.
そこで、従来は、ハンマー等の叩打で配管の外
側から衝撃を与える、という原始的な方法により
付着粉末を配管内面から剥離させるようにしてい
るが、付着粉末の剥離の効果が充分に上がらな
い、という問題があつた。 Therefore, in the past, the adhering powder was removed from the inner surface of the pipe using a primitive method of applying impact from the outside of the pipe by hitting it with a hammer, etc. However, the effect of removing the adhering powder was not sufficiently improved. There was a problem.
また、このような従来の方法では、定期的な実
施が必要で、その実施の際には、気送管システム
の運転を停止しなければならず、他の作業も中断
されるから、全体として効率が悪い。また、作業
者が配管の近傍でクリーニングのための作業する
ので、放射線被曝するおそれがあり、さらに、叩
打のためにシステムを構成する部材を損傷するお
それもある。 In addition, such conventional methods require periodic implementation, which requires the pneumatic pipe system to be shut down and other operations interrupted, resulting in overall ineffective. Furthermore, since workers perform cleaning work near the pipes, there is a risk of exposure to radiation, and furthermore, there is a risk of damage to the members constituting the system due to pounding.
本考案は、上述の問題点に鑑みてなされたもの
であつて、遠隔操作により、付着粉末の除去や付
着の防止を効果的に行なえるようにして、クリー
ニング作業の安全性を高めるとともに、気送管シ
ステムの運転停止等の不都合をなくすことを目的
とする。 The present invention has been developed in view of the above-mentioned problems, and allows for effective removal of adhering powder and prevention of adhesion by remote control, thereby increasing the safety of cleaning work and providing care. The purpose is to eliminate inconveniences such as suspension of operation of the pipeline system.
＜問題点を解決するための手段＞
本考案は、上記の目的を達成するため、放射性
物質の粉末を移送する配管の外周面に固定した取
付軸、この取付軸に取り付けた超音波振動子、お
よび取付軸と振動子との間に介装した当接部材か
らなり、
前記取付軸は、該配管の外周面に沿つて湾曲す
る接合面を有する接合部と、この接合部の接合面
との対向面側の一部に立設したねじ部とを備え、
接合部が配管の外周面に面接触し、ねじ部が当接
部材を貫通して超音波振動子に螺合する一方、
前記当接部材は、配管の外周面に沿つた湾曲当
接面を有するとともに、この湾曲当接面側に前記
接合部の嵌入用の凹部と、該凹部を通つて湾曲当
接面側からその反対面側にまで前記ねじ部が貫通
する貫通孔とをそれぞれ形成して配管内部クリー
ニング装置を構成した。<Means for Solving the Problems> In order to achieve the above-mentioned purpose, the present invention includes a mounting shaft fixed to the outer peripheral surface of a pipe for transferring radioactive substance powder, an ultrasonic vibrator mounted on this mounting shaft, and a contact member interposed between the mounting shaft and the vibrator, and the mounting shaft has a joint portion having a joint surface that curves along the outer peripheral surface of the pipe, and a joint surface of this joint portion. Equipped with a threaded part erected on a part of the opposite surface side,
The joint part is in surface contact with the outer peripheral surface of the pipe, and the threaded part penetrates the contact member and is screwed into the ultrasonic transducer, while the contact member has a curved contact surface along the outer peripheral surface of the pipe. and a recess into which the joint portion is inserted, and a through hole through which the threaded portion passes through the recess from the curved contact surface side to the opposite side thereof. A piping internal cleaning device was constructed.
＜作用＞
上記構成において、超音波発振器により超音波
振動子を駆動すると、その超音波振動は、当接部
材を通じて配管に伝達される。配管が振動するこ
とにより、その内面に付着した粉末が剥離する。
また、気送管システムの運転時に超音波振動子を
駆動すると、配管内面への粉末の付着が防止され
る。<Operation> In the above configuration, when the ultrasonic vibrator is driven by the ultrasonic oscillator, the ultrasonic vibration is transmitted to the pipe through the contact member. As the pipe vibrates, powder adhering to its inner surface is peeled off.
Further, when the ultrasonic vibrator is driven during operation of the pneumatic pipe system, powder adhesion to the inner surface of the pipe is prevented.
＜実施例＞
以下、本考案を図面に示す実施例に基づいて詳
細に説明する。第１図は本考案の一実施例の断面
図で、組み立て状態を示し、第２図は第１図の
−線における断面図で、各部を分解した状態を
示している。<Example> Hereinafter, the present invention will be described in detail based on an example shown in the drawings. FIG. 1 is a cross-sectional view of one embodiment of the present invention, showing an assembled state, and FIG. 2 is a cross-sectional view taken along the line - in FIG. 1, showing a state in which each part is disassembled.
これらの図に示すように、この実施例の配管内
部クリーニング装置は、配管１の外周面に立設さ
れる取付軸４と、この取付軸４を介して配管１に
取り付けられる超音波振動子５と、超音波振動子
５を駆動する超音波発振器６と、超音波振動子５
の振動面と配管１の外周面との間に介装される、
たとえばステンレススチール製の当接部材７とを
備えている。 As shown in these figures, the pipe interior cleaning device of this embodiment includes a mounting shaft 4 erected on the outer peripheral surface of the pipe 1 and an ultrasonic vibrator 5 mounted on the pipe 1 via the mounting shaft 4. , an ultrasonic oscillator 6 that drives the ultrasonic transducer 5, and an ultrasonic transducer 5.
interposed between the vibration surface of the pipe 1 and the outer peripheral surface of the pipe 1,
For example, a contact member 7 made of stainless steel is provided.
取付軸４は、この実施例ではスタツドボルトで
あつて、雄ねじ部４ａと、その基端の接合部４ｂ
とからなる。接合部４ｂには、配管１の外周面に
沿つて湾曲する接合面４ｃが形成されている。超
音波振動子５には、前記取付軸４の雄ねじ部４ａ
が螺挿される雌ねじ部５ａが形成されている。当
接部材７は、超音波振動子５の振動を配管１に伝
達するもので、超音波振動子５の振動面に当接す
る面７ａと、配管１の外周面に当接する面７ｂと
を有し、配管１への当接面７ｂは、配管１の外周
面に沿つた湾曲面に形成されている。また、この
当接部材７には、取付軸４の雄ねじ部４ａが貫通
する貫通孔７ｃと、取付軸４の接合部４ｂが嵌入
する凹部７ｄとが形成されている。 The mounting shaft 4 is a stud bolt in this embodiment, and has a male threaded portion 4a and a joint portion 4b at its base end.
It consists of. A joint surface 4c that curves along the outer peripheral surface of the pipe 1 is formed in the joint portion 4b. The ultrasonic vibrator 5 has a male threaded portion 4a of the mounting shaft 4.
A female threaded portion 5a into which is screwed is formed. The contact member 7 transmits the vibration of the ultrasonic vibrator 5 to the pipe 1, and has a surface 7a that contacts the vibration surface of the ultrasonic transducer 5 and a surface 7b that contacts the outer peripheral surface of the pipe 1. However, the contact surface 7b to the pipe 1 is formed into a curved surface along the outer peripheral surface of the pipe 1. Further, the abutting member 7 is formed with a through hole 7c through which the male threaded portion 4a of the mounting shaft 4 passes, and a recess 7d into which the joint portion 4b of the mounting shaft 4 is fitted.
組み立てに当たつては、まず、取付軸４をスタ
ツド溶接により、その接合面４ｃが配管１の外周
面に面接触する状態に固着する。次に、配管１の
外周面に当接部材７を当てがい、その貫通孔７ｃ
には取付軸４の雄ねじ部４ａを貫通させる。この
とき、当接部材７の当接面には接着剤８を塗布し
ておき、この接着剤８により当接部材７の当接面
７ｂと配管１の外周面とを密着させる。当接部材
７の貫通孔７ｃから外方には取付軸４の雄ねじ部
４ａが突出するが、この雄ねじ部４ａに、超音波
振動子５の雌ねじ部５ａを螺合することにより、
取付軸４に超音波振動子５を固定する。この際、
当接部材７と超音波振動子５との間にも接着剤８
を介在させて、超音波振動子５の振動面と当接部
材７とを密着させる。 In assembling, first, the mounting shaft 4 is fixed by stud welding so that its joint surface 4c is in surface contact with the outer peripheral surface of the pipe 1. Next, the abutment member 7 is applied to the outer peripheral surface of the pipe 1, and the through hole 7c is
The male threaded portion 4a of the mounting shaft 4 is passed through the hole. At this time, an adhesive 8 is applied to the abutting surface of the abutting member 7, and the abutting surface 7b of the abutting member 7 and the outer circumferential surface of the pipe 1 are brought into close contact with the adhesive 8. The male threaded portion 4a of the mounting shaft 4 protrudes outward from the through hole 7c of the contact member 7, and by screwing the female threaded portion 5a of the ultrasonic transducer 5 into this male threaded portion 4a,
An ultrasonic transducer 5 is fixed to the mounting shaft 4. On this occasion,
An adhesive 8 is also applied between the contact member 7 and the ultrasonic transducer 5.
The vibration surface of the ultrasonic transducer 5 and the contact member 7 are brought into close contact with each other.
このように組み立てることによつて、超音波振
動子５が配管１の外周面に取り付けられるととも
に、超音波振動子５の振動面が当接部材７を介し
て隙間なく配管１の外周面に結合される。 By assembling in this way, the ultrasonic vibrator 5 is attached to the outer circumferential surface of the pipe 1, and the vibration surface of the ultrasonic vibrator 5 is coupled to the outer circumferential surface of the pipe 1 without any gap via the contact member 7. be done.
上記構成において、超音波発振器６により超音
波振動子５を駆動すると、その超音波振動は、当
接部材７を通じて配管１に伝達される。配管１が
振動することにより、その内面に付着した粉末が
剥離する。また、気送管システムの運転時に超音
波振動子５を駆動すると、粉末の移送中に配管１
が振動することになり、この振動により、配管１
の内面には粉末が付着しなくなる。 In the above configuration, when the ultrasonic vibrator 5 is driven by the ultrasonic oscillator 6, the ultrasonic vibration is transmitted to the pipe 1 through the abutment member 7. When the pipe 1 vibrates, powder adhering to its inner surface is peeled off. In addition, if the ultrasonic vibrator 5 is driven during operation of the pneumatic pipe system, the pipe 1
will vibrate, and this vibration will cause pipe 1 to vibrate.
Powder will no longer adhere to the inner surface of the
＜考案の効果＞
以上のように、本考案によれば、超音波振動が
配管に伝達されるので、配管自体の振動により、
配管内面に付着している粉末が剥離され、また、
粉末の気送中であれば、粉末の付着が防止され、
したがつて、配管内面を付着物のない状態に保つ
ことができる。<Effects of the invention> As described above, according to the invention, since ultrasonic vibrations are transmitted to the piping, the vibration of the piping itself causes
Powder adhering to the inner surface of the pipe is peeled off, and
If powder is being pneumatically fed, powder adhesion is prevented,
Therefore, the inner surface of the pipe can be kept free of deposits.
この場合、超音波振動子の振動面と配管の外周
面との間に隙間がなく、超音波振動子の振動は、
当接部材を通じてほとんど漏洩することなく配管
に伝達されるから、配管を効率よく振動させるこ
とができ、付着粉末の除去や付着の防止を効果的
に行なうことができる。 In this case, there is no gap between the vibration surface of the ultrasonic vibrator and the outer peripheral surface of the pipe, and the vibration of the ultrasonic vibrator is
Since it is transmitted to the piping through the contact member with almost no leakage, the piping can be efficiently vibrated, and adhering powder can be effectively removed and adhesion prevented.
また、遠隔操作により超音波振動子を駆動して
配管のクリーニングを行なうことができるから、
作業者が気送管の近傍でクリーニングのための作
業する必要がなく、従来の方法のような放射線被
曝のおそれがなくなり、安全にクリーニング作業
を行なうことができる。 Additionally, the ultrasonic vibrator can be driven remotely to clean the pipes.
There is no need for the operator to perform cleaning work near the pneumatic pipe, and there is no risk of radiation exposure unlike in conventional methods, and the cleaning work can be performed safely.
さらに、粉末の移送中においても、超音波振動
子を駆動して配管のクリーニングを行なうことが
できるから、クリーニングのために気送管システ
ムの運転を停止する必要がなく、関連する作業を
中断させることがない。 Furthermore, since the ultrasonic transducer can be driven to clean the piping even while the powder is being transferred, there is no need to stop the pneumatic piping system for cleaning, which eliminates the need to interrupt related work. Never.
第１図および第２図は本考案の一実施例に係
り、第１図は、その組み立て状態を示す断面図、
第２図は、第１図の−線に沿つた断面図で、
各部を分解した状態を示す。
１……配管、４……取付軸、５……超音波振動
子、６……超音波発振器、７……当接部材。
1 and 2 relate to an embodiment of the present invention, and FIG. 1 is a sectional view showing its assembled state;
Figure 2 is a sectional view taken along the - line in Figure 1;
Shows the state in which each part is disassembled. DESCRIPTION OF SYMBOLS 1...Piping, 4...Mounting shaft, 5...Ultrasonic vibrator, 6...Ultrasonic oscillator, 7...Abutting member.
Claims (1)
定した取付軸、この取付軸に取り付けた超音波振
動子、および取付軸と振動子との間に介装した当
接部材からなり、 前記取付軸は、該配管の外周面に沿つて湾曲す
る接合面を有する接合部と、この接合部の接合面
との対向面側の一部に立設したねじ部とを備え、
接合部が配管の外周面に面接触し、ねじ部が当接
部材を貫通して超音波振動子に螺合する一方、 前記当接部材は、配管の外周面に沿つた湾曲当
接面を有するとともに、この湾曲当接面側に前記
接合部の嵌入用の凹部と、該凹部を通つて湾曲当
接面側からその反対面側にまで前記ねじ部が貫通
する貫通孔とをそれぞれ形成してあることを特徴
とする配管内部クリーニング装置。[Claims for Utility Model Registration] A mounting shaft fixed to the outer circumferential surface of a pipe for transferring radioactive material powder, an ultrasonic vibrator attached to this mounting shaft, and an ultrasonic transducer interposed between the mounting shaft and the vibrator. The mounting shaft includes a joint portion having a joint surface that curves along the outer circumferential surface of the pipe, and a threaded portion erected in a part of the joint portion on the side opposite to the joint surface. Prepare,
The joint part is in surface contact with the outer peripheral surface of the pipe, and the threaded part penetrates the contact member and is screwed into the ultrasonic transducer, while the contact member has a curved contact surface along the outer peripheral surface of the pipe. and a recess into which the joint portion is inserted, and a through hole through which the threaded portion passes through the recess from the curved contact surface side to the opposite side thereof. A piping internal cleaning device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987061988U JPH0437673Y2 (en) | 1987-04-23 | 1987-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987061988U JPH0437673Y2 (en) | 1987-04-23 | 1987-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63168088U JPS63168088U (en) | 1988-11-01 |
| JPH0437673Y2 true JPH0437673Y2 (en) | 1992-09-03 |
Family
ID=30895831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987061988U Expired JPH0437673Y2 (en) | 1987-04-23 | 1987-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437673Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272073A (en) * | 2005-03-28 | 2006-10-12 | Hiroshima Univ | Adherend removing device utilizing ultrasonic wave and adherend removing method using it |
| KR101440418B1 (en) * | 2013-01-31 | 2014-09-17 | 주식회사 씨브이아이 | Anti-Powder system for preventing powder deposition in pipe |
| ES2771350T3 (en) * | 2013-03-15 | 2020-07-06 | Dominion Eng Inc | Ultrasonic cleaning of vessels and tubes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131068A (en) * | 1974-09-10 | 1976-03-16 | Fuji Industries Co Ltd | * kantainaibumennifuchakusuru kannaifujunbutsuohakurijokyosuru hoho narabini sochi * |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52100375U (en) * | 1976-01-27 | 1977-07-29 |
-
1987
- 1987-04-23 JP JP1987061988U patent/JPH0437673Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131068A (en) * | 1974-09-10 | 1976-03-16 | Fuji Industries Co Ltd | * kantainaibumennifuchakusuru kannaifujunbutsuohakurijokyosuru hoho narabini sochi * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63168088U (en) | 1988-11-01 |
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