JPS62211596A - Method and device for solidifying and processing radioactive waste - Google Patents
Method and device for solidifying and processing radioactive wasteInfo
- Publication number
- JPS62211596A JPS62211596A JP61054438A JP5443886A JPS62211596A JP S62211596 A JPS62211596 A JP S62211596A JP 61054438 A JP61054438 A JP 61054438A JP 5443886 A JP5443886 A JP 5443886A JP S62211596 A JPS62211596 A JP S62211596A
- Authority
- JP
- Japan
- Prior art keywords
- solidification
- container
- waste
- radioactive waste
- solidifying
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 21
- 239000002901 radioactive waste Substances 0.000 title claims description 14
- 238000007711 solidification Methods 0.000 claims description 79
- 230000008023 solidification Effects 0.000 claims description 79
- 239000002699 waste material Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 21
- 239000008188 pellet Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 1
- 238000004898 kneading Methods 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000005202 decontamination Methods 0.000 description 4
- 230000003588 decontaminative effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 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
- 239000010857 liquid radioactive waste Substances 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (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〕 棄物固化処理方法およびそのための装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a waste solidification treatment method and an apparatus therefor.
従来、放射性廃棄物の固化処理方法としては、下記の様
な方法が提案されている。Conventionally, the following methods have been proposed as methods for solidifying radioactive waste.
（１）液状の廃棄物の固化方法としては、固化材として
セメントを用いる方法がある。これは、固化容器内に、
所定量の放射性廃棄液を充填し、その後、所定量のセメ
ントを投入しながら同化容器内で攪拌羽根により攪拌し
てセメントペーストとし、固化容器内に固化する方法で
ある。(1) As a method for solidifying liquid waste, there is a method using cement as a solidifying material. This is in a solidification container.
This is a method in which a predetermined amount of radioactive waste liquid is filled, and then a predetermined amount of cement is poured into the assimilation container while being stirred with a stirring blade to form a cement paste, which is then solidified in a solidification container.
この様に、固化容器内で混練して固化する方法をインド
ラム固化法という。一方、放射性廃液とセメントの混線
操作を混練槽にて行ない、この混練されたペーストを固
化容器内へ充填する方法もあシ、これをアラトド２ム固
化法という。This method of kneading and solidifying in a solidification container is called the in-drum solidification method. On the other hand, there is also a method in which radioactive waste liquid and cement are mixed in a kneading tank and the kneaded paste is filled into a solidification container, which is called the Aratodo 2m solidification method.
（２） 放射性廃棄物を粉体化した後に固化処理する
方法としては、グラスチック固化法、があ、る（特開昭
５３−４０１９９号）０この方法は、乾燥機にて液状放
射性廃棄物を乾燥粉体化した後、廃棄物粉体と固化材で
あるグラスチックとを混練槽にて混練して、固化容器内
に混練する方法である。(2) As a method for solidifying radioactive waste after pulverizing it, there is a glass solidification method (Japanese Unexamined Patent Publication No. 53-40199). This method uses a dryer to solidify liquid radioactive waste. This is a method in which the waste powder is dried and powdered, and then the waste powder and a solidifying material, ie, glasstic, are kneaded in a kneading tank and then kneaded in a solidifying container.
（３）廃棄物を乾燥粉体化した後、ペレットに成形し、
この被レットを同化処理する方法が、あ４る（特開昭５
２−８５６９９号）。この方法では、ペレットを固化容
器に充填した後に、上部よシ固化材を注入してペレット
の間げきを充填しペレットを固化容器内に固定化する。(3) After drying and powdering the waste, mold it into pellets,
There are four ways to assimilate this target (Japanese Patent Laid-Open No. 1983-1933).
No. 2-85699). In this method, after filling a solidification container with pellets, a solidification material is injected into the upper part to fill the gaps between the pellets and fix the pellets in the solidification container.
前述のような、混練槽内で廃棄物と同化材とを混線する
固化処理方法では、混練槽が廃棄物で汚染されるので定
期的な除染ないしは洗浄が必要であり、また固化容器内
で攪拌羽根で混練する方法でも攪拌羽根の定期的な除染
ないしは洗浄が必要である。これらの場合には、除染φ
洗浄に伴なう２次廃棄物が発生するとともに、除染・洗
浄設備や２次廃棄物の処理設備が必要となり、処理設備
が大規模となる。In the above-mentioned solidification treatment method in which waste and assimilated materials are mixed in the kneading tank, the kneading tank becomes contaminated with waste and requires periodic decontamination or cleaning. Even in the method of kneading with stirring blades, periodic decontamination or cleaning of the stirring blades is required. In these cases, decontamination φ
Secondary waste is generated due to cleaning, and decontamination/cleaning equipment and secondary waste processing equipment are required, making the processing equipment large-scale.
また、前述のようなペレット状の廃棄物の固化方法にお
いては、固化材の混練槽が必要な点は変わシがなく、ま
たパリや粉体等が一部混入している場合には、ペレット
の充填された固化容器上部よシ固化材を注入しただけで
は、固化容器下部まで固化材が流下せず、固化容器内の
廃棄物を一体化することが難しい。In addition, in the solidification method of pellet-shaped waste as described above, a kneading tank for the solidification material is still required, and if some particles such as paris or powder are mixed in, the pellet If the solidifying material is simply injected from the top of the solidifying container filled with solidification material, the solidifying material will not flow down to the bottom of the solidifying container, making it difficult to integrate the waste in the solidifying container.
また、粘性の低い固化材を選定・開発する必要がある。Additionally, it is necessary to select and develop a solidifying material with low viscosity.
本発明は、固化容器内に廃棄物及び固化材を投入し、固
化容器全体を転動させることによシ、固化容器内の廃棄
物と固化材とを均一に混合して固化容器内で固化させる
ものである。In the present invention, waste and solidification material are put into a solidification container, and the solidification material is uniformly mixed with the solidification material by rolling the entire solidification container, and the solidification material is solidified in the solidification container. It is something that makes you
固化容器内に充填された廃棄物と固化材は、固化容器全
体を転動させることによシ固化容器が一つの混練槽とし
て作用し、均一に混練される。転軸は上−下および左右
方向にくまなく行うのがよい。固化容器の転動による混
練後は、固化容器内の放射性廃棄物と固化材との混線物
はそのまま固化容器内で固化される。The waste and solidification material filled in the solidification container are uniformly kneaded by rolling the entire solidification container so that the solidification container acts as one kneading tank. It is preferable to rotate the axis thoroughly in the up-down and left-right directions. After kneading by rolling the solidification container, the mixture of radioactive waste and solidification material in the solidification container is solidified as it is in the solidification container.
第１図は本発明の一実施例を示すシステムフロー図であ
る。廃棄物タンク１よシ放射性廃棄物を固化容器２へ投
入する。廃棄物の形態は粉状、ペレット状又は液状のい
ずれでもよい。廃棄物の投入された固化容器２は、直ち
に又は必要に応じ廃棄物貯蔵庫５で貯蔵して放射能減衰
を計った後に、固化材タンク３より固化容器２内へ固化
材を注入し、次いで、転動機４にて固化容器２の全体を
転。FIG. 1 is a system flow diagram showing one embodiment of the present invention. The radioactive waste from the waste tank 1 is put into the solidification container 2. The form of waste may be powder, pellet or liquid. The solidification container 2 containing the waste is stored in the waste storage 5 immediately or as necessary to measure radioactivity attenuation, and then the solidification material is injected into the solidification container 2 from the solidification material tank 3, and then, The entire solidification container 2 is rolled by a rolling machine 4.
動させて混練し、固化容器２内で固化させる。The mixture is kneaded by moving and solidified in the solidification container 2.
第２図は、廃棄物を粉状で固化する実施例の全体システ
ムフローを示したものである。液状放射性廃棄物は廃棄
物供給タンク６よシ乾燥機７へ供給され、粉体化される
。乾燥機７としては、遠心薄膜型乾燥機ないしは仮焼炉
を使用することが可能である。乾燥粉体化された廃棄物
は廃棄物ホッパー１′を経由して固化容器２に充填され
る。次いで、固化容器２の中へ固化材を投入し、転動機
４によシ固化容器２を転動させて廃棄物と固化材とを混
線し同化容器２内に固化する。FIG. 2 shows the overall system flow of an embodiment in which waste is solidified into powder. The liquid radioactive waste is supplied to the dryer 7 through the waste supply tank 6 and is pulverized. As the dryer 7, a centrifugal thin film dryer or a calciner can be used. The dried and powdered waste is filled into a solidification container 2 via a waste hopper 1'. Next, the solidification material is put into the solidification container 2, and the solidification container 2 is rolled by the rolling machine 4, so that the waste and the solidification material are mixed and solidified in the assimilation container 2.
第３図は、廃棄物をペレット状で固化する実施例の全体
システム７０−を示したものである。液状廃棄物は廃棄
物供給タンク６よシ乾燥機７へ供給されて粉体化され、
続いて造粒機９にてペレット化される。廃棄物ペレット
は廃棄物ホラ／４−１′を経由して固化容器２に充填さ
れる。以降は前述と同様である。FIG. 3 shows an overall system 70- for solidifying waste into pellets. The liquid waste is supplied through the waste supply tank 6 to the dryer 7 and is pulverized.
Subsequently, it is pelletized in a granulator 9. The waste pellets are filled into the solidification container 2 via the waste hole/4-1'. The rest is the same as described above.
第４図、第５図は、固化容器２の内部概略構造を示した
ものである。同図（１）は平面図、同図（ｂ）は側面図
を夫々示す。固化容器２は、転動時の混練性を向上させ
るため、内部に混線羽根１０を有している。また、セラ
ミックゴールないしは、鋼製が−ルを固化容器２に充填
することにより内部混線性が向上される。混線時には、
蓋をして固化容器内に、廃棄物と固化材とが密封される
。また、ベント系によシ飛散防止の処理が施されるのが
よい。4 and 5 schematically show the internal structure of the solidification container 2. FIG. Figure (1) shows a plan view, and Figure (b) shows a side view. The solidification container 2 has mixing blades 10 inside to improve kneading performance during rolling. Moreover, internal crosstalk is improved by filling the solidification container 2 with ceramic gold or steel gold. When there is crosstalk,
The waste and solidification material are sealed in the solidification container with a lid. It is also preferable that the vent system be treated to prevent scattering.
第６図は、固化容器２を転動回転させ固化させる転動機
４０１例を示す。第６図において、固化容器２は、保持
具１５によシ支持され、油圧シリンダー１１によシ加圧
バネ１２を介して安定な状態に挟持され、これにより、
転動機４０回転アーム４′に保持される。取りはずす場
合は、油圧シリンダー１１を下げて、加圧力を除去し、
転動機４よシ取外す。FIG. 6 shows an example of a rolling machine 401 that rolls and rotates the solidification container 2 to solidify it. In FIG. 6, the solidification container 2 is supported by a holder 15 and held in a stable state by a hydraulic cylinder 11 via a pressure spring 12.
A rolling machine 40 is held by a rotating arm 4'. When removing it, lower the hydraulic cylinder 11, remove the pressure,
Remove rolling machine 4.
転動機４に保持された固化容器２は、回転モーター１４
により所定の回転数によシ、回転されるとともに、固化
容器２全体が、さらにアーム４′と共に公転軸１６を中
心に回転する。この様な２自由度の回転運動により同化
容器２を転動させて、同化容器２内の廃棄物と固化材と
を混練する。The solidifying container 2 held by the rolling machine 4 is moved by the rotating motor 14
At the same time, the entire solidification container 2 further rotates about the revolution axis 16 together with the arm 4'. The assimilation container 2 is rolled by such rotational movement with two degrees of freedom, and the waste and solidification material in the assimilation container 2 are kneaded.
第７図は、同化容器の転動機４へのセット及び取はすし
を容易ならしめた他の実施例を示したものである。固化
容器２は、フック１８でつシ下げ、ホイスト１７により
転動機４ヘセットする。転動機４のアーム４′は三部分
からなシ、同図（−）の様に上半分を反転させておき、
保持具１５上へ固化容器２をセットする。その後、反転
させておいたアーム４′の上半分を同図（ｂ）の如くも
どし、油圧シリンダー１１によシ固化容器２を加圧バネ
を介して所定の圧力で保持固定する。FIG. 7 shows another embodiment in which the assimilation container is easily set on the rolling machine 4 and removed. The solidification container 2 is lowered by the hook 18 and set onto the rolling machine 4 by the hoist 17. The arm 4' of the rolling machine 4 consists of three parts, and the upper half is inverted as shown in the figure (-).
The solidification container 2 is set on the holder 15. Thereafter, the upper half of the arm 4', which has been inverted, is returned to its original position as shown in FIG.
第８図は、転動機の他の例を示したものである。FIG. 8 shows another example of the rolling machine.
この装置においては、角枠をなす保持フレーム１９の間
に固化容器２を保持具１５でセットし、油圧シリンダー
１１により加圧バネ１２を介して固定保持する。固化容
器２は、回転モーター１４によシ回転（自転）させられ
るとともに、公転軸１６を中心に公転させられる。この
様に固化容器２は自転と公転の２自由度の回転運動によ
り転動されて、固化容器２内の廃棄物と固化材とを混練
し固化する。In this device, the solidification container 2 is set between holding frames 19 forming a rectangular frame with a holder 15, and fixedly held by a hydraulic cylinder 11 via a pressure spring 12. The solidification container 2 is rotated (rotated) by a rotary motor 14 and also revolved around a revolution axis 16 . In this way, the solidification container 2 is rolled by rotational movement with two degrees of freedom, ie, rotation and revolution, to knead and solidify the waste and solidification material in the solidification container 2.
本発明によれば下記効果が期待できる。 According to the present invention, the following effects can be expected.
（１）固化容器の中で廃棄物と固化材との混練を行ない
、その後そのまま固化容器内で固化させるので、別の混
練槽が不用となシ、設備構成機器の簡素化が計れ、経済
性が向上する。(1) Waste and solidification material are kneaded in the solidification container, and then solidified in the solidification container, eliminating the need for a separate mixing tank, simplifying equipment components, and making it economical. will improve.
（２）混練槽が不用となったことによシ混練槽およびそ
の攪拌羽根の洗浄廃液等の放射性の２次廃棄物の発生が
なくなシ、２次廃棄物の処理設備が不用となる。(2) Since the kneading tank is no longer needed, radioactive secondary waste such as waste liquid from cleaning the kneading tank and its stirring blades is no longer generated, and secondary waste processing equipment is no longer required.
（３）廃棄物形態がベレット状、粉状又は液状のいずれ
であっても均一な固化体に処理可能である。(3) Regardless of whether the waste is in pellet form, powder form, or liquid form, it can be processed into a uniform solidified body.
（４）固化容器全体を転動させて混練するため粘性の高
い場合も効果的に短時間で混線が可能である。(4) Since the entire solidification container is kneaded by rolling, even in the case of high viscosity, it is possible to effectively mix the mixture in a short time.
第１図、第２図、第３図は夫々本発明の実施例の全体シ
ステムフロー図、第４図（＆） 、 （ｂ）は本発明に
使用するに好適な固化容器の平面図および側面図、第５
図（ａ） 、 （ｂ）は同じく他の固化容器の平面図お
よび側面図、第６図は転動機の側面図、第７図（ａ）
、 （ｂ）は転動機の他の実施例の状態を示す側面図、
第８図は更に他の転動機の実施例を示す側面図である。
１．１′・・・廃棄物ホッパー
２・・・固化容器 ３・・・固化材タンク４・
・・転動混練機 ５・・・貯蔵庫６・・・廃棄物
供給タンク ７・・・乾燥機８・・・排ガス処理設備
９・・・造粒機１０・・・混練羽根 １１・・
・油圧シリンダ１２・・・加圧バネ １３・・・
ベアリング１４・・・回転モータ １５・・・保持
具１６・・・公転軸。
・ °、１
第１図
第４図
（α）
第５図
＜ｂ）
■
第７図
＜ａ）
第８図
（ｂFigures 1, 2, and 3 are overall system flow diagrams of embodiments of the present invention, and Figures 4 (&) and (b) are plan and side views of a solidification container suitable for use in the present invention. Figure, 5th
Figures (a) and (b) are the same plan view and side view of another solidification container, Figure 6 is a side view of the rolling machine, and Figure 7 (a).
, (b) is a side view showing the state of another embodiment of the rolling machine,
FIG. 8 is a side view showing yet another embodiment of the rolling machine. 1.1'...Waste hopper 2...Solidification container 3...Solidification material tank 4.
...Rolling kneader 5...Storage 6...Waste supply tank 7...Dryer 8...Exhaust gas treatment equipment
9... Granulator 10... Kneading blade 11...
・Hydraulic cylinder 12...pressure spring 13...
Bearing 14... Rotating motor 15... Holder 16... Revolution axis.・ °, 1 Figure 1 Figure 4 (α) Figure 5 < b) ■ Figure 7 < a) Figure 8 (b
Claims (1)
密封し、固化容器全体を転動させて固化容器内の固化材
と廃棄物とを均一に混練した後、該固化容器内で固化さ
せることを特徴とする放射性廃棄物固化処理方法。 ２、固化容器内に投入される放射性廃棄物の形態が粉状
、ペレット状または液状である特許請求の範囲第１項記
載の放射性廃棄物固化処理方法。 ３、放射性廃棄物と固化材とを収容した固化容器を着脱
可能に挟持する一対の保持具、該保持具を自転可能に支
持し且つ自身は該保持具の自転軸と交叉する第２軸の周
りに回転可能に支持されているアーム又はフレーム、該
保持具を該自転軸の周りに回転させる駆動手段および該
アーム又はフレームを該第２軸の周りに回転させる駆動
手段よりなることを特徴とする放射性廃棄物固化容器の
転動装置。[Claims] 1. After putting radioactive waste and solidification material into a solidification container and sealing it, rolling the entire solidification container to uniformly knead the solidification material and waste in the solidification container, A radioactive waste solidification treatment method characterized by solidifying radioactive waste in the solidification container. 2. The radioactive waste solidification treatment method according to claim 1, wherein the radioactive waste to be placed into the solidification container is in the form of powder, pellets, or liquid. 3. A pair of holders that removably sandwich a solidification container containing radioactive waste and a solidification material, a pair of holders that rotatably support the holders, and a second axis that intersects with the rotation axis of the holder. It is characterized by comprising an arm or frame rotatably supported therearound, a driving means for rotating the holder around the rotation axis, and a driving means for rotating the arm or frame around the second axis. A rolling device for radioactive waste solidification containers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61054438A JPH0750194B2 (en) | 1986-03-12 | 1986-03-12 | Method for solidifying radioactive waste and rolling machine for solidifying radioactive waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61054438A JPH0750194B2 (en) | 1986-03-12 | 1986-03-12 | Method for solidifying radioactive waste and rolling machine for solidifying radioactive waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62211596A true JPS62211596A (en) | 1987-09-17 |
| JPH0750194B2 JPH0750194B2 (en) | 1995-05-31 |
Family
ID=12970712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61054438A Expired - Lifetime JPH0750194B2 (en) | 1986-03-12 | 1986-03-12 | Method for solidifying radioactive waste and rolling machine for solidifying radioactive waste |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750194B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005052737A (en) * | 2003-08-04 | 2005-03-03 | Misugi:Kk | Stirring device |
| JP2008302346A (en) * | 2007-06-11 | 2008-12-18 | Yamazaki Kinzoku Sangyo Co Ltd | Mixer for container |
| JP2013053961A (en) * | 2011-09-05 | 2013-03-21 | Mitsubishi Heavy Ind Ltd | Apparatus and method for solidifying radioactive waste |
| JP2014522375A (en) * | 2011-03-03 | 2014-09-04 | ウィシス テクノロジー ファウンデーション，インコーポレイティド | Thermodynamic solutions of metal oxides, metal chalcogenides, mixed metal oxides, and chalcogenides |
| JP2017159262A (en) * | 2016-03-10 | 2017-09-14 | 国立大学法人大阪大学 | Manufacturing method and manufacturing device of emulsion |
-
1986
- 1986-03-12 JP JP61054438A patent/JPH0750194B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005052737A (en) * | 2003-08-04 | 2005-03-03 | Misugi:Kk | Stirring device |
| JP2008302346A (en) * | 2007-06-11 | 2008-12-18 | Yamazaki Kinzoku Sangyo Co Ltd | Mixer for container |
| JP4746589B2 (en) * | 2007-06-11 | 2011-08-10 | 山崎金属産業株式会社 | Container mixer |
| JP2014522375A (en) * | 2011-03-03 | 2014-09-04 | ウィシス テクノロジー ファウンデーション，インコーポレイティド | Thermodynamic solutions of metal oxides, metal chalcogenides, mixed metal oxides, and chalcogenides |
| US10112156B2 (en) | 2011-03-03 | 2018-10-30 | Wisys Technology Foundation, Inc. | Thermodynamic solutions of metal chalcogenides and mixed metal oxides and chalcogenides |
| JP2013053961A (en) * | 2011-09-05 | 2013-03-21 | Mitsubishi Heavy Ind Ltd | Apparatus and method for solidifying radioactive waste |
| JP2017159262A (en) * | 2016-03-10 | 2017-09-14 | 国立大学法人大阪大学 | Manufacturing method and manufacturing device of emulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0750194B2 (en) | 1995-05-31 |
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