JP2016045098A - 放射性物質を含む飛灰の処理方法及び処理装置 - Google Patents
放射性物質を含む飛灰の処理方法及び処理装置 Download PDFInfo
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- JP2016045098A JP2016045098A JP2014170090A JP2014170090A JP2016045098A JP 2016045098 A JP2016045098 A JP 2016045098A JP 2014170090 A JP2014170090 A JP 2014170090A JP 2014170090 A JP2014170090 A JP 2014170090A JP 2016045098 A JP2016045098 A JP 2016045098A
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- fly ash
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- 239000010881 fly ash Substances 0.000 title claims abstract description 57
- 239000012857 radioactive material Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 23
- 239000000941 radioactive substance Substances 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- TVFDJXOCXUVLDH-OUBTZVSYSA-N cesium-134 Chemical compound [134Cs] TVFDJXOCXUVLDH-OUBTZVSYSA-N 0.000 description 1
- TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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Abstract
Description
2 集塵機
3 油圧プレス機
4 ハンマーミル
5 保管容器
A 飛灰
G1、G2 排ガス
P 成型品
Q 解砕品
Claims (5)
- 放射性物質を含む飛灰を油圧プレス機によって加圧成型し、
該加圧成型によって得られた成型品を解砕することを特徴とする放射性物質を含む飛灰の処理方法。 - 前記成型圧力を0.5t/cm2以上2.5t/cm2以下とすることを特徴とする請求項1に記載の放射性物質を含む飛灰の処理方法。
- 解砕品の50mm通過分が100質量%、10mm通過分が80質量%以上100質量%以下、5mm通過分が70質量%以上90質量%以下、1mm通過分が10質量%以上60質量%以下、0.5mm通過分が10質量%以上40質量%以下となるように前記成型品を解砕することを特徴とする請求項1又は2に記載の放射性物質を含む飛灰の処理方法。
- 前記放射性物質を含む飛灰は、放射性物質を含む廃棄物を熱処理して得られたものであることを特徴とする請求項1、2又は3に記載の放射性物質を含む飛灰の処理方法。
- 放射性物質を含む飛灰を加圧成型する油圧プレス機と、
該油圧プレス機から排出された成型品を解砕する解砕装置とを備えることを特徴とする放射性物質を含む飛灰の処理装置。
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JP2014170090A JP6670037B2 (ja) | 2014-08-25 | 2014-08-25 | 放射性物質を含む飛灰の処理方法 |
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JP2014170090A JP6670037B2 (ja) | 2014-08-25 | 2014-08-25 | 放射性物質を含む飛灰の処理方法 |
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JP2016045098A true JP2016045098A (ja) | 2016-04-04 |
JP6670037B2 JP6670037B2 (ja) | 2020-03-18 |
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JP2014170090A Active JP6670037B2 (ja) | 2014-08-25 | 2014-08-25 | 放射性物質を含む飛灰の処理方法 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61235800A (ja) * | 1985-04-12 | 1986-10-21 | 株式会社日立製作所 | 放射性廃棄物の造粒装置 |
JP2000140793A (ja) * | 1998-11-11 | 2000-05-23 | Taiheiyo Cement Corp | セメント飛灰の減容化方法 |
JP2006124187A (ja) * | 2004-10-26 | 2006-05-18 | Birukuriin:Kk | 石膏粒状特殊肥料の製造方法 |
JP2007040872A (ja) * | 2005-08-04 | 2007-02-15 | Tokyo Metropolitan Industrial Technology Research Institute | 放射性廃棄物の処理方法及びその焼結体 |
JP2007136297A (ja) * | 2005-11-16 | 2007-06-07 | Taiheiyo Cement Corp | 粉体の取扱方法及び装置 |
WO2008059818A1 (fr) * | 2006-11-15 | 2008-05-22 | Sintokogio, Ltd. | Procédé de fabrication de comprimés et machine de moulage par compression par rouleaux pour mettre en œuvre ce procédé |
JP2012026818A (ja) * | 2010-07-22 | 2012-02-09 | Ngk Insulators Ltd | 放射性シリコーンオイルの処理方法 |
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2014
- 2014-08-25 JP JP2014170090A patent/JP6670037B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61235800A (ja) * | 1985-04-12 | 1986-10-21 | 株式会社日立製作所 | 放射性廃棄物の造粒装置 |
JP2000140793A (ja) * | 1998-11-11 | 2000-05-23 | Taiheiyo Cement Corp | セメント飛灰の減容化方法 |
JP2006124187A (ja) * | 2004-10-26 | 2006-05-18 | Birukuriin:Kk | 石膏粒状特殊肥料の製造方法 |
JP2007040872A (ja) * | 2005-08-04 | 2007-02-15 | Tokyo Metropolitan Industrial Technology Research Institute | 放射性廃棄物の処理方法及びその焼結体 |
JP2007136297A (ja) * | 2005-11-16 | 2007-06-07 | Taiheiyo Cement Corp | 粉体の取扱方法及び装置 |
WO2008059818A1 (fr) * | 2006-11-15 | 2008-05-22 | Sintokogio, Ltd. | Procédé de fabrication de comprimés et machine de moulage par compression par rouleaux pour mettre en œuvre ce procédé |
JP2012026818A (ja) * | 2010-07-22 | 2012-02-09 | Ngk Insulators Ltd | 放射性シリコーンオイルの処理方法 |
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