JPH01318998A - Dryer of control rod drive mechanism - Google Patents
Dryer of control rod drive mechanismInfo
- Publication number
- JPH01318998A JPH01318998A JP63152776A JP15277688A JPH01318998A JP H01318998 A JPH01318998 A JP H01318998A JP 63152776 A JP63152776 A JP 63152776A JP 15277688 A JP15277688 A JP 15277688A JP H01318998 A JPH01318998 A JP H01318998A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- outer tube
- air
- crd
- dryer
- 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
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 2
- 239000000941 radioactive substance Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005406 washing 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
- Y02E30/30—Nuclear fission reactors
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
本発明は原子炉制御棒の駆動機構（以下ＣＨＤという）
を定期点検の際に、水槽で洗浄した後に、それを強制乾
燥させるための乾燥装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a nuclear reactor control rod drive mechanism (hereinafter referred to as CHD).
This invention relates to a drying device for forcibly drying water after washing it in a water tank during periodic inspections.
原子力発電所における制御棒を駆動するＣＨＤは、定期
的に取り外されてＣＲＤ補修室内にて分解し、内部を水
槽中で洗浄する。洗浄後のＣＲＤでは、ＣＲＤ補修室に
放置し−昼夜乾燥をさせていた。CHDs that drive control rods in nuclear power plants are periodically removed and disassembled in a CRD repair room, and the inside is cleaned in a water tank. After cleaning, the CRD was left in the CRD repair room to dry day and night.
（解決しようとする課題）
こめように洗浄されたＣＲＤは、それを乾燥するために
一昼夜要していた。そのため、それがＣＲＤの点検整備
作業に長時間要する一つの原因となっていた。そしてこ
のＣＨＤの乾燥時間を数時間以内に能率よく行う方法が
望まれていた。(Problems to be Solved) It took a whole day and night to dry the thoroughly cleaned CRD. Therefore, this was one of the reasons why CRD inspection and maintenance work took a long time. A method for efficiently drying CHD within several hours has been desired.
そこで本発明はこのような長尺なＣＨＤを効率良く強制
乾燥させる乾燥装置を提供すると共に、該乾燥時に生じ
る放射性物質の飛散を防止できるように形成したもので
あり、その構成は次のとおりである。Therefore, the present invention provides a drying device for efficiently forced drying such a long CHD, and is configured to prevent the scattering of radioactive substances generated during the drying.The structure is as follows. be.
即ち、上端が開口した細長い箱状の装置本体１を有し、
該装置本体１の開口に開閉自在に上蓋２を取付ける。そ
して装置本体１の長手方向の一端に温風の吹き出し口３
を開口すると共に、他端にリターンエアの吸入口４を開
口する。そして両口３，４を連結して前記装置本体１内
部を含み、エア循環路５を形成する。そしてそのエア循
環路５中に順に集塵装置６と除湿装置７と加熱装置８と
を介装する。更に装置本体１にその長手方向に互いに離
間して、少なくとも一対の受け金具１０．１０を設ける
。そして、装置本体１の開口に出入り自在に収納される
原子炉制御棒駆動機構のアウタ−チューブ９下面をその
受け金具１０により支持すると共に、アウターチューブ
９が傾斜し、且つそれが前記装置本体１の底面から離れ
るように位置させるものである。That is, it has an elongated box-shaped device main body 1 with an open top end,
An upper lid 2 is attached to the opening of the apparatus main body 1 so as to be openable and closable. A hot air outlet 3 is provided at one end of the device body 1 in the longitudinal direction.
At the same time, a return air inlet 4 is opened at the other end. Both ports 3 and 4 are connected to form an air circulation path 5 that includes the inside of the device main body 1. A dust collector 6, a dehumidifier 7, and a heating device 8 are sequentially installed in the air circulation path 5. Furthermore, at least a pair of receiving fittings 10.10 are provided on the device main body 1, spaced apart from each other in the longitudinal direction thereof. The lower surface of the outer tube 9 of the reactor control rod drive mechanism, which is housed in the opening of the apparatus main body 1 so as to be freely accessible, is supported by the receiving metal fitting 10, and the outer tube 9 is tilted and It is placed away from the bottom of the
次に、特許請求の範囲第２項記載の発明は、受け金具１
０．１０のアウタ−チューブ９支持面より下方位置で、
前記装置本体１に小物部品載置用の金網１１を設けたも
のである。Next, the invention recited in claim 2 provides that the receiving metal fitting 1
At a position below the support surface of the outer tube 9 of 0.10,
The apparatus main body 1 is provided with a wire mesh 11 for placing small parts.
更に、特許請求の範囲第３項記載の発明は装置本体１の
一端部でその幅方向に温風の吹き出し口３より離れて起
風用のファン１２を設けると共に、該ファン１２に対向
してアウターチューブ９のフランジ部１５を前記一端部
側に位置させたものである。Furthermore, the invention recited in claim 3 provides a fan 12 for blowing air at one end of the device main body 1 in the width direction away from the hot air outlet 3, and a fan 12 facing the fan 12. The flange portion 15 of the outer tube 9 is located on the one end side.
原子炉から取り外されたＣＲＤは分解洗浄浴槽に収納さ
れ、そこで夫々４ｍ程のアウターチューブ９とピストン
チューブ２２とインナーチューブ２３とに分離される。The CRD removed from the reactor is stored in a disassembly and cleaning bath, where it is separated into an outer tube 9, a piston tube 22, and an inner tube 23, each of about 4 m length.
そして、各種小物部品が取り外され各チューブ及び小物
部品が洗浄される。洗浄後の各チュ、−ブ及び部品は本
装置に収納される。即ち、第１図及び第３図に示す如く
、アウターチューブ９とインナーチューブ２３とピスト
ンチューブ２２とが夫々装置本体１に収納され、一対の
受け金具１０．’１０間に支持される。Then, various small parts are removed, and each tube and small parts are cleaned. Each tube, tube, and component after cleaning is stored in this device. That is, as shown in FIGS. 1 and 3, an outer tube 9, an inner tube 23, and a piston tube 22 are housed in the device body 1, respectively, and a pair of receiving fittings 10. '10 support.
そして各種部品が金網１１上に載置され、装置本体１開
口部を上Ｍ２で閉塞し、内部を密閉する。Then, various parts are placed on the wire mesh 11, and the opening of the device main body 1 is closed with the upper M2, thereby sealing the inside.
そして、装置本体１の左端に設けられた吹き出し口３よ
り温風又は熱風を吐出させると共に、装置本体１の右端
部底面の吸入口４よりそのリターンエアを配管１３を介
して除湿装置７、加熱装置８に導く。なお、配管１３中
には集塵装置６が設けられ放射性物質を含む塵埃を取り
除く。Warm air or hot air is discharged from the air outlet 3 provided at the left end of the device main body 1, and the return air is passed through the piping 13 from the suction port 4 at the bottom of the right end of the device main body 1 to the dehumidifying device 7 and heated. Lead to device 8. Note that a dust collector 6 is provided in the pipe 13 to remove dust containing radioactive substances.
そして、リターンエアは除湿装置７内で一旦冷却され、
除湿された後に加熱装置８により加熱され再び吹き出し
口３より温風又は熱風として流出する。又、吹き出し口
３の突出口から外れた位置でファン１２及びヒータ２１
が設けられ装置本体１内の空気の流通を促進させると共
に、特にアウターチューブ９のフランジ部１５部分を迅
速に乾燥させるものである。Then, the return air is once cooled in the dehumidifier 7,
After being dehumidified, the air is heated by the heating device 8 and flows out from the air outlet 3 again as warm air or hot air. In addition, the fan 12 and the heater 21 are installed at a position away from the outlet of the air outlet 3.
is provided to promote the circulation of air within the device main body 1, and to quickly dry the flange portion 15 of the outer tube 9 in particular.
次に、本発明の実施例につき説明する。 Next, examples of the present invention will be described.
第１図は本装置の正面図であり、第２図は同側面図、第
３図は同平面図、第４図は同装置に用いられる受け金具
１０の側面図である。FIG. 1 is a front view of the device, FIG. 2 is a side view, FIG. 3 is a plan view, and FIG. 4 is a side view of a receiving fitting 10 used in the device.
この装置は、ＣＲＤを各部品に分解した状態でそれらを
内部に収納した後に、上蓋２を閉じて熱風又は温風を循
環させるものである。この装置本体１はＣＲＤの長さよ
りも細長い箱状に形成されると共に、その内壁に保温材
２５が設けられている。そして、内部には長手方向に互
いに離間して一対の受け金具１０が設けられている。This device disassembles the CRD into its parts and stores them inside, then closes the top lid 2 to circulate hot air or hot air. The device main body 1 is formed into a box shape that is longer and narrower than the length of the CRD, and a heat insulating material 25 is provided on its inner wall. Inside, a pair of receiving metal fittings 10 are provided spaced apart from each other in the longitudinal direction.
この受け金具１０は第４図に示す如く、７字状の支持面
１７が３ケ所設けられ、左側の支持回覧はアウターチュ
ーブ９が載置され、中央及び右側の支持面にはインナー
チューブ２３及びピストンチューブ２２が載置される。As shown in FIG. 4, this receiving fitting 10 is provided with three 7-shaped support surfaces 17, the outer tube 9 is placed on the left support circuit, and the inner tube 23 and the support surface 17 are placed on the center and right support surfaces. A piston tube 22 is mounted.
この載置状態を示したのが第１図であり、アウターチュ
ーブ９は左側が下方になるように僅かに傾斜して配置さ
れ、水捌けを良くしている。それと共に、アウターチュ
ーブ９は、そのフランジ部１５が左側に位置される。更
に装置本体１の内部には受け金具１０の支持面より下方
に金網１１が配置される。この金網１１はその外周の枠
部が、図示しない装置本体１内壁面の突部に載置される
。なお、この実施例では３つの金１１１が設けられてい
る。次に装置本体１の左端部にはヒータ２１とファン１
２とが夫々本体１の中心部より、やや幅方向一方よりに
第３図の如く位置され、その幅方向の他方よりに吹き出
し口３が開口する。この吹き出し口３は加熱装置８の出
口側に連通され、加熱装置８と除湿装置７とが直列に接
続されると共に、該除湿装置７の入口側が配管１３の一
端に連結されている。この配管１３の他端は装置本体１
の右端底面に形成された吸入口４に連通ずる。更に配管
１３にはその中間部にダクト１４を介して集塵装置６が
設けられている。そして、この集塵装置６、配管１３、
除湿装置７、加熱装置８及び装置本体１によりエア循環
路５を構成する。次に、装置本体１の開口には上蓋２が
第２図に示す如く、片開き状に本体用シリンダ１８を介
して開閉自在に取付けられている。そしτ上蓋２の開放
側端部は第１図に示す如く、クランプ２６が設けられ、
それにより上蓋２の閉塞時にロックされる。又、図示し
ない制御装置及び除湿装置７、加熱装置８を有する部分
には制御部用蓋１９が設けられ、該制御部用蓋１９が上
蓋２とは別個独立に開閉できるように構成されている。This placement state is shown in FIG. 1, and the outer tube 9 is arranged with a slight inclination so that the left side is facing downward to improve water drainage. At the same time, the flange portion 15 of the outer tube 9 is located on the left side. Furthermore, a wire mesh 11 is disposed inside the device main body 1 below the support surface of the receiving metal fitting 10. The outer frame of the wire mesh 11 is placed on a protrusion (not shown) on the inner wall surface of the device main body 1. Note that in this embodiment, three gold pieces 111 are provided. Next, a heater 21 and a fan 1 are installed at the left end of the device main body 1.
2 are located slightly closer to one side in the width direction than the center of the main body 1, as shown in FIG. 3, and the air outlet 3 opens at the other side in the width direction. The air outlet 3 communicates with the outlet side of the heating device 8, and the heating device 8 and the dehumidifying device 7 are connected in series, and the inlet side of the dehumidifying device 7 is connected to one end of the pipe 13. The other end of this piping 13 is the device main body 1
It communicates with the suction port 4 formed on the bottom surface of the right end. Furthermore, a dust collector 6 is provided in the middle of the pipe 13 via a duct 14. This dust collector 6, piping 13,
The dehumidifying device 7, the heating device 8, and the device main body 1 constitute an air circulation path 5. Next, as shown in FIG. 2, an upper lid 2 is attached to the opening of the main body 1 of the apparatus so as to be openable and closable via a cylinder 18 for the main body. As shown in FIG. 1, the open end of the upper lid 2 is provided with a clamp 26.
This locks the top lid 2 when it is closed. Further, a control unit lid 19 is provided in a portion including a control device, a dehumidifying device 7, and a heating device 8 (not shown), and the control unit lid 19 is configured to be able to be opened and closed separately from the upper lid 2. .
なお、上蓋２には第３図に示す如（、その２ケ所に窓１
６が設けられ上蓋２の閉塞状態で内部を見ることができ
る。即ち、窓１６はガラス又はプラスチックの透明体で
構成されている。In addition, the upper cover 2 has windows 1 in two places (as shown in Fig. 3).
6 is provided so that the inside can be seen when the upper lid 2 is closed. That is, the window 16 is made of transparent glass or plastic.
しかして、装置本体１内に分解されたアウターチューブ
９等を収納するにはクランプ２６を開放し、本体用シリ
ンダ１８を駆動して上蓋２を開ける。そして各種小物部
品を金網１１に載置すると共に、アウターチューブ９、
インナーチューブ２３、ピストンチューブ２２を夫々順
に受け金具１０、１０間に架は渡す。そして上蓋２を閉
塞すると共に、クランプ２６により該上蓋２を固定する
。In order to store the disassembled outer tube 9 and the like in the apparatus main body 1, the clamp 26 is opened, the main body cylinder 18 is driven, and the upper lid 2 is opened. Then, various small parts are placed on the wire mesh 11, and the outer tube 9,
The rack passes the inner tube 23 and the piston tube 22 between the receiving fittings 10 and 10 in order, respectively. Then, the upper lid 2 is closed, and the upper lid 2 is fixed using the clamp 26.
次に、除湿装置７、加熱装置８、ファン１２を駆動する
と共に、ヒータ２１に通電する。すると、吹き出し口３
から温風又は熱風が装置本体１内に吹き出す。それと共
に、ヒータ２１より内部を加熱し、且つファン１２によ
り強制送風が行われる。そして、アウターチューブ９、
ピストンチューブ２２、インナーチューブ２３を乾燥さ
せる。Next, the dehumidifying device 7, heating device 8, and fan 12 are driven, and the heater 21 is energized. Then, air outlet 3
Warm air or hot air is blown out into the main body 1 of the apparatus. At the same time, the heater 21 heats the inside, and the fan 12 blows forced air. And outer tube 9,
The piston tube 22 and inner tube 23 are dried.
なお、これらのチェーブ９．２２．２３及び各部品の温
度は７０’Ｃを越えないように、加熱装置８及びヒータ
２１が制御される。それにより乾燥後の各部分の取り扱
いを容易にし、各種作業を迅速に行う。そして吸入口４
より配管１３に流入したエア中の放射性物質を含む粉塵
は集塵装置６で取り除かれ除湿装置７に導かれる。そし
てこのエアは除湿装置７で除湿された後に加熱装置８に
より加熱され、再び吹き出し口３より装置本体１内に突
出される。Note that the heating device 8 and heater 21 are controlled so that the temperature of these tubes 9, 22, 23 and each component does not exceed 70'C. This makes it easier to handle each part after drying, and various operations can be performed quickly. and inlet 4
Dust containing radioactive substances in the air that has flowed into the pipe 13 is removed by the dust collector 6 and guided to the dehumidifier 7. After this air is dehumidified by the dehumidifying device 7, it is heated by the heating device 8, and is again projected into the device main body 1 through the air outlet 3.
実験によれば本装置を用いることにより、１つのＣＲＤ
を約１．５時間程で完全に乾燥できることが確認できた
。しかもその乾燥状態は従来−昼夜かかって乾燥させた
状態以上に良好であった。According to experiments, by using this device, one CRD
It was confirmed that it could be completely dried in about 1.5 hours. Moreover, the drying condition was better than the conventional condition, which required day and night drying.
本乾燥装置は、以上のような構成としたので取扱い易く
且つ、制御ＩＩ棒駆動機構（ＣＲＤ）を分解した状態で
迅速に乾燥させることができる。Since this drying device has the above-described configuration, it is easy to handle and can be quickly dried with the control II rod drive mechanism (CRD) disassembled.
それと共に、温風の循環路が密閉空間を形成すると共に
、そのエア循環路５に集塵装置６を設けたから、ＣＲＤ
を乾燥しつつ該乾燥時に生じる放射性物質を含む粉塵を
取り除いてＣＨＤの各種部品の汚染を防止し得る。At the same time, since the hot air circulation path forms a closed space and the dust collector 6 is installed in the air circulation path 5, the CRD
While drying the CHD, dust containing radioactive substances generated during the drying process can be removed to prevent contamination of various parts of the CHD.
又、特許請求の範囲第２項記載の発明は、金１１１をア
ウタ−チューブ９支持面より下方に位置させたから、そ
れがアウターチューブ９を出入する際に邪魔にならない
と共に、この分解されたＣＲＤ用小物部品を金網１１に
載せて、アウターチューブ９と同時にそれを乾燥させる
ことができる。Further, in the invention described in claim 2, since the gold 111 is located below the support surface of the outer tube 9, it does not get in the way when the outer tube 9 is moved in and out, and the disassembled CRD Small parts for use can be placed on the wire mesh 11 and dried at the same time as the outer tube 9.
次に、特許請求の範囲第３項記載の発明はアウターチュ
ーブ９のフランジ部１５が装置本体ｌの長手方向一端部
側に位置され、該一端部でその幅方向に吹き出し口３よ
り離れてファン１２が設けられ、該ファン１２がフラン
ジ部１５に対向するように配置されているから、ＣＲＤ
の最も乾燥しにくいフランジ部１５を集中的に強く乾燥
し得る。Next, in the invention as set forth in claim 3, the flange portion 15 of the outer tube 9 is located at one end in the longitudinal direction of the device main body l, and the fan is separated from the air outlet 3 in the width direction at the one end. 12 is provided, and the fan 12 is arranged to face the flange portion 15, so that the CRD
The flange portion 15, which is the most difficult to dry, can be intensively dried.
第１図は本装置の正面図であり、第２図は同側面図、第
３図は同平面図、第４図は同装置に用いられる受け金具
１０の側面図である。
１・・・装置本体 ２・・・上蓋３・・・吹き
出し口 ４・・・吸入口５・・・エア循環路
６・・・集塵装置７・・・除湿装置 ８・
・・加熱装置９・・・アウターチューブ １０・・・受
け金具１１・・・金網１２・・・ファン
１３・・・配管 １４・・・ダクト１５・
・・フランジ部 １６・・・窓１７・・・支持面
１８・・・本体用シリンダ１９・・・制御
部用蓋 ２０・・・ステップ２１・・・ヒータ
２２・・・ピストンチューブ２３・・・イン
ナーチューブ ２４・・・取手２５・・・保温材
２６・・・クランプ２７・・・ドレン排出弁
代理人 弁理士 窪 １）卓 美FIG. 1 is a front view of the device, FIG. 2 is a side view, FIG. 3 is a plan view, and FIG. 4 is a side view of a receiving fitting 10 used in the device. 1... Device body 2... Upper lid 3... Air outlet 4... Inlet port 5... Air circulation path
6... Dust collector 7... Dehumidifier 8.
... Heating device 9 ... Outer tube 10 ... Receiving metal fitting 11 ... Wire mesh 12 ... Fan 13 ... Piping 14 ... Duct 15 ...
...Flange portion 16...Window 17...Supporting surface 18...Body cylinder 19...Control unit lid 20...Step 21...Heater
22...Piston tube 23...Inner tube 24...Handle 25...Heat insulation material
26... Clamp 27... Drain discharge valve agent Patent attorney Kubo 1) Takumi
Claims (1)
本体（１）の前記開口に開閉自在に取付けた上蓋（２）
と、前記本体（１）の長手方向の一端に開口した熱風又
は温風の吹き出し口（３）および、他端に開口したリタ
ーンエアの吸入口（４）と、前記両口（３）（４）を連
結して形成した前記本体（１）内部を含むエア循環路（
５）と、該循環路（５）中に順に介装した集塵装置（６
）と除湿装置（７）とエア加熱装置（８）と、前記本体
（１）にその長手方向に互いに離間して配置され、前記
本体（１）の前記開口より出入り自在に収納される原子
炉制御棒駆動機構のアウターチューブ（９）を、該チュ
ーブ（９）が傾斜し且つそれが前記本体（１）の底面か
ら離れて支持される、少なくとも一対の受け金具（１０
）（１０）と、を具備する制御棒駆動機構の乾燥装置。 ２）前記特許請求の範囲第１項記載の装置において、一
対の前記受け金具（１０）（１０）の前記アウターチュ
ーブ支持面よりも下方位置で前記本体（１）に、小物部
品載置用の金網（１１）を設けたもの。 ３）前記特許請求の範囲第１項において、前記本体（１
）の前記一端部でその幅方向に前記吹き出し口（３）よ
り外れて起風用のファン（１２）を設けると共に、該フ
ァン（１２）に対向し前記アウターチューブ（９）のフ
ランジ部（１５）を前記一端部側に位置させることとし
たもの。[Scope of Claims] 1) An elongated box-shaped device main body (1) with an open top end, and a top lid (2) attached to the opening of the main body (1) so as to be openable and closable.
, a hot air or hot air outlet (3) opened at one end in the longitudinal direction of the main body (1), a return air intake port (4) opened at the other end, and both the above-mentioned openings (3) (4). ) is formed by connecting the air circulation path (
5), and a dust collector (6) interposed in order in the circulation path (5).
), a dehumidifying device (7), an air heating device (8), and a nuclear reactor that is housed in the main body (1) so as to be spaced apart from each other in the longitudinal direction thereof, and that can be freely entered and exited through the opening of the main body (1). The outer tube (9) of the control rod drive mechanism is supported by at least a pair of receiving fittings (10
) (10) A drying device for a control rod drive mechanism, comprising: 2) In the device according to claim 1, a pair of receiving metal fittings (10) are provided on the main body (1) at a position below the outer tube support surface of the pair of receiving metal fittings (10) for placing small parts. Equipped with wire mesh (11). 3) In claim 1, the main body (1
) is provided with a fan (12) for blowing air away from the outlet (3) in the width direction thereof, and a flange portion (15) of the outer tube (9) is provided opposite to the fan (12). ) is located on the one end side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63152776A JPH01318998A (en) | 1988-06-20 | 1988-06-20 | Dryer of control rod drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63152776A JPH01318998A (en) | 1988-06-20 | 1988-06-20 | Dryer of control rod drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01318998A true JPH01318998A (en) | 1989-12-25 |
Family
ID=15547896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63152776A Pending JPH01318998A (en) | 1988-06-20 | 1988-06-20 | Dryer of control rod drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01318998A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8056252B2 (en) * | 2007-06-15 | 2011-11-15 | Joao Pascoa Fernandes | Moisture removal system |
-
1988
- 1988-06-20 JP JP63152776A patent/JPH01318998A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8056252B2 (en) * | 2007-06-15 | 2011-11-15 | Joao Pascoa Fernandes | Moisture removal system |
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