JPS5823600B2 - Radioactive waste sludge processing equipment - Google Patents

Radioactive waste sludge processing equipment

Info

Publication number
JPS5823600B2
JPS5823600B2 JP15643778A JP15643778A JPS5823600B2 JP S5823600 B2 JPS5823600 B2 JP S5823600B2 JP 15643778 A JP15643778 A JP 15643778A JP 15643778 A JP15643778 A JP 15643778A JP S5823600 B2 JPS5823600 B2 JP S5823600B2
Authority
JP
Japan
Prior art keywords
waste sludge
storage tank
agitator
radioactive waste
mole
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
Application number
JP15643778A
Other languages
Japanese (ja)
Other versions
JPS5583898A (en
Inventor
邦夫 石橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15643778A priority Critical patent/JPS5823600B2/en
Publication of JPS5583898A publication Critical patent/JPS5583898A/en
Publication of JPS5823600B2 publication Critical patent/JPS5823600B2/en
Expired legal-status Critical Current

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  • Treatment Of Sludge (AREA)

Description

【発明の詳細な説明】 本発明は、放射性廃スラツジ処理装置に係り、特に、廃
スラツジ貯蔵槽内に貯留された放射性廃スラツジを攪拌
する装置に関する 一般に、放射性スラッジの攪拌には、外部循環ポンプに
よる水循環攪拌、空気による攪拌、種々のアジテータ攪
拌、移動式水中攪拌機による攪拌などがある。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a radioactive waste sludge processing device, and in particular to a device for stirring radioactive waste sludge stored in a waste sludge storage tank. Examples include water circulation agitation, air agitation, various agitator agitation, and mobile submersible agitator.

このうち移動式水中攪拌機の場合、攪拌完了時あるいは
定期的に廃スラツジ貯蔵槽から取出され、除染、保守点
検した後に保管されなければならない。
Among these, in the case of a mobile underwater agitator, it must be removed from the waste sludge storage tank upon completion of agitation or periodically, and stored after decontamination, maintenance and inspection.

本発明は、前述した移動式水中攪拌機を用いて放射性廃
スラツジを効率よくしかも安全に撹拌するようにした放
射性廃スラツジ処理装置を提供することを目的としてな
されたもので、廃スラツジ貯蔵槽に沿って走行し得るモ
ルレール車と、このモルレール車に支持されたホイスト
と、このホイストにより懸垂される水中攪拌機と、前記
廃スラツジ貯蔵槽内に配設され前記水中攪拌機を洗浄す
る除染装置と、前記モルレール車の走行範囲に設けられ
前記水中攪拌機を完全に除染および洗浄するための除染
エリアとを設け、水中攪拌機をモルレール車により移動
しながらこの攪拌機により各貯蔵槽内の放射性廃スラツ
ジを攪拌せしめ、その後膣攪拌機を除染装置および除染
エリアにより完全に除染、洗浄するよ1うにしたもので
ある。
The present invention has been made for the purpose of providing a radioactive waste sludge treatment device that uses the above-mentioned mobile underwater agitator to efficiently and safely agitate radioactive waste sludge. a hoist supported by the mole rail car; an underwater agitator suspended by the hoist; a decontamination device disposed in the waste sludge storage tank and cleaning the underwater agitator; A decontamination area is provided within the travel range of the Morrail vehicle to completely decontaminate and clean the underwater agitator, and the radioactive waste sludge in each storage tank is stirred by this agitator while the underwater agitator is moved by the Morrail vehicle. After that, the vaginal agitator is completely decontaminated and cleaned using a decontamination device and a decontamination area.

以下、本発明を図面に示す実施例により説明する。The present invention will be explained below with reference to embodiments shown in the drawings.

第1図および第2図に示すように、コンクリート壁1に
より密閉された室2内には複数の廃スラッジ貯蔵槽3,
3・・・が整列して連設されており、それぞれの廃スラ
ツジ貯蔵槽3の開口4は常時は複数のハツチブロック5
,5・・・により覆われている。
As shown in FIGS. 1 and 2, a plurality of waste sludge storage tanks 3,
3... are arranged in series, and the opening 4 of each waste sludge storage tank 3 is normally connected to a plurality of hatch blocks 5.
, 5...

前記各貯蔵槽3の開口4上に位置するようにモルレール
6が配設されており、このモルレール6にはモルレール
車7が走行し得るように支持され1ている。
A mole rail 6 is disposed so as to be located above the opening 4 of each of the storage tanks 3, and a mole rail car 7 is supported on this mole rail 6 so that it can run.

このモルレール車7にはホイスト8が支持されており、
このホイスト8にはチェインブロック9を介して移動式
水中攪拌機10が懸垂されている。
A hoist 8 is supported on this mole rail car 7,
A mobile underwater agitator 10 is suspended from the hoist 8 via a chain block 9.

この攪拌機10は各貯蔵槽3の開口4から貯蔵槽3内に
進入し得る太きさとされており、貯蔵槽3内に入って放
射性廃スラツジを攪拌する9くうになっている。
The stirrer 10 is sized so that it can enter the storage tank 3 through the opening 4 of each storage tank 3, and has nine holes for entering into the storage tank 3 and stirring the radioactive waste sludge.

各貯蔵槽3内には貯蔵槽スプレー11と、貯蔵槽3から
ホイスト8およびチェインブロック9により引上げられ
る水中攪拌機10を洗浄する除染装置12とが配設され
ている。
A storage tank spray 11 and a decontamination device 12 for cleaning an underwater agitator 10 lifted from the storage tank 3 by a hoist 8 and a chain block 9 are arranged in each storage tank 3 .

5 前記モルレール6の端部の下方には除染エリア13
が設けられており、この除染エリア13には、水中攪拌
機10を完全に除染5よび洗浄するための洗浄タンク、
洗浄槽あるいは洗浄ピット等の洗浄設備14が設けられ
ている。
5 A decontamination area 13 is located below the end of the mole rail 6.
This decontamination area 13 includes a cleaning tank for completely decontaminating 5 and cleaning the underwater agitator 10,
A cleaning equipment 14 such as a cleaning tank or a cleaning pit is provided.

前記モルレール6の両側には立上り15が連続的に形成
されており、空中にある水中攪拌機10からのトーンを
回収するようになっている。
Rising edges 15 are continuously formed on both sides of the molar rail 6 to collect tones from the underwater agitator 10 in the air.

つぎに、前述した実施例の作用を説明する。Next, the operation of the above-described embodiment will be explained.

ホイスト8に懸垂されてハツチブロック5を除去された
開口4から貯蔵槽3内に進入した水中攪拌機10により
貯蔵槽3内の放射性廃スラツジは攪拌される。
The radioactive waste sludge in the storage tank 3 is stirred by the underwater agitator 10 which is suspended from the hoist 8 and enters the storage tank 3 through the opening 4 from which the hatch block 5 has been removed.

この作業を終えた水中攪拌機10は、ホイスト8により
吊り」二げられ、途中未だ貯蔵槽3内に位置する段階で
除染装置12により洗浄され、余分な放射性物質が攪拌
機10とともに貯蔵槽3外に漏洩することはない。
After completing this work, the underwater agitator 10 is lifted up by the hoist 8, and while it is still inside the storage tank 3, it is cleaned by the decontamination device 12, and excess radioactive materials are removed from the storage tank 3 along with the agitator 10. There will be no leakage.

このようにしてモルレール車1の移動により順次各貯蔵
櫂3内の放射性廃スラツジを攪拌した水中攪拌機10は
除染エリア13まで移送され、ここで完全に除染および
洗浄される。
In this way, as the mole rail car 1 moves, the underwater agitator 10 that has sequentially agitated the radioactive waste sludge in each storage paddle 3 is transferred to the decontamination area 13, where it is completely decontaminated and cleaned.

なお、この攪拌機10の洗浄をスプレーのほか高圧ジェ
ット水により行なえば、より良好な洗浄を行なえ、また
この除染エリア13をシャッタ(図示せず)などにより
隔離すればより安全である。
It should be noted that if the agitator 10 is cleaned with high-pressure jet water instead of spraying, better cleaning can be achieved, and it will be safer if the decontamination area 13 is isolated with a shutter (not shown) or the like.

この除染エリア13で洗浄された水中攪拌機10は再使
用時まで貯蔵槽3の代部で保管される。
The underwater agitator 10 that has been cleaned in this decontamination area 13 is stored in the storage tank 3 until it is reused.

なお、前述した操作は、遠隔操作でも現場における直接
操作でも良い。
Note that the above-mentioned operation may be performed by remote control or by direct operation at the site.

また、前記密閉室2内は放射能の濃度に応じた適当な換
気処理がなされる。
Further, the inside of the sealed room 2 is appropriately ventilated according to the concentration of radioactivity.

本発明に係る放射性廃スラツジ処理装置は、前述したよ
うに、廃スラツジ貯蔵槽に沿って走行し得るモルレール
車と、このモルレール車に支持されたホイストと、この
ホイストにより懸垂される水中攪拌機と、前記貯蔵槽内
に配設され攪拌機を洗浄する除染装置と、モルレール車
の走行範囲に設けられ攪拌機を完全に除染、洗浄する除
染エリアとを有しているので、水中攪拌機により放射性
廃スラツジの効率良い攪拌が可能とされ、しかも放射能
に対する安全性も極めて高いという優れた効果を奏する
As described above, the radioactive waste sludge processing apparatus according to the present invention includes a mole rail car that can run along a waste sludge storage tank, a hoist supported by the mole rail car, and an underwater agitator suspended by the hoist. It has a decontamination device installed in the storage tank to clean the agitator, and a decontamination area installed in the running range of the Morrail car to completely decontaminate and clean the agitator, so radioactive waste can be removed by the underwater agitator. It has excellent effects in that it enables efficient stirring of sludge and is extremely safe against radioactivity.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る放射性廃スラツジ処理装置の実施
例を示す縦断面図、第2図′は第1図の平面図である。 3・・・・・・廃スラツジ貯蔵槽、7・・・・・・モル
レール車、8・・・・・・ホイスト、10・・・・・・
水中攪拌機、12・・・・・・除染装置、13・・・・
・・除染エリア。
FIG. 1 is a longitudinal sectional view showing an embodiment of the radioactive waste sludge processing apparatus according to the present invention, and FIG. 2' is a plan view of FIG. 1. 3... Waste sludge storage tank, 7... Mole rail car, 8... Hoist, 10...
Underwater stirrer, 12... Decontamination equipment, 13...
...Decontamination area.

Claims (1)

【特許請求の範囲】[Claims] 1 廃スラツジ貯蔵槽に沿って走行し得るモルレール車
と、このモルレール車に支持されたホイストと、このホ
イストにより懸垂される水中攪拌機と、前記廃スラツジ
貯蔵槽内に配設され前記水中攪拌機を洗浄する除染装置
と、前記モルレール車の走行範囲に設けられ前記水中攪
拌機を除染および洗浄するための除染エリアとを有する
放射性廃スラツジ処理装置。
1. A mole rail car that can run along a waste sludge storage tank, a hoist supported by this mole rail car, an underwater agitator suspended by the hoist, and a method for cleaning the underwater agitator installed in the waste sludge storage tank. A radioactive waste sludge processing device comprising a decontamination device for decontaminating and cleaning the underwater agitator, and a decontamination area provided in the travel range of the mole rail car for decontaminating and cleaning the underwater agitator.
JP15643778A 1978-12-20 1978-12-20 Radioactive waste sludge processing equipment Expired JPS5823600B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15643778A JPS5823600B2 (en) 1978-12-20 1978-12-20 Radioactive waste sludge processing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15643778A JPS5823600B2 (en) 1978-12-20 1978-12-20 Radioactive waste sludge processing equipment

Publications (2)

Publication Number Publication Date
JPS5583898A JPS5583898A (en) 1980-06-24
JPS5823600B2 true JPS5823600B2 (en) 1983-05-16

Family

ID=15627727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15643778A Expired JPS5823600B2 (en) 1978-12-20 1978-12-20 Radioactive waste sludge processing equipment

Country Status (1)

Country Link
JP (1) JPS5823600B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133396A (en) * 1981-02-10 1982-08-18 Tokyo Shibaura Electric Co Lining tank for atomic power facility

Also Published As

Publication number Publication date
JPS5583898A (en) 1980-06-24

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