JP5928761B2 - 放射性セシウムの酸化物を含有する灰の処理装置 - Google Patents
放射性セシウムの酸化物を含有する灰の処理装置 Download PDFInfo
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- JP5928761B2 JP5928761B2 JP2015037588A JP2015037588A JP5928761B2 JP 5928761 B2 JP5928761 B2 JP 5928761B2 JP 2015037588 A JP2015037588 A JP 2015037588A JP 2015037588 A JP2015037588 A JP 2015037588A JP 5928761 B2 JP5928761 B2 JP 5928761B2
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- ash
- furnace
- radioactive cesium
- cesium
- oxide
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- 230000002285 radioactive effect Effects 0.000 title claims description 46
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 title claims description 16
- 229910001942 caesium oxide Inorganic materials 0.000 title claims description 16
- 229910052792 caesium Inorganic materials 0.000 claims description 37
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 37
- 239000000460 chlorine Substances 0.000 claims description 20
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 19
- 229910052801 chlorine Inorganic materials 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 15
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 claims description 10
- 239000003575 carbonaceous material Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000002956 ash Substances 0.000 description 56
- 239000007789 gas Substances 0.000 description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 description 10
- 239000004568 cement Substances 0.000 description 10
- 239000010881 fly ash Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000012857 radioactive material Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 2
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- HWSZZLVAJGOAAY-UHFFFAOYSA-L lead(II) chloride Chemical compound Cl[Pb]Cl HWSZZLVAJGOAAY-UHFFFAOYSA-L 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Description
Claims (2)
- 放射性セシウムの酸化物を含有する灰の投入口と、炉内ガスの排気口と、灰の排出口とを有し、放射性セシウムの酸化物を含有する灰を前記灰中に存在する塩素成分あるいは添加した塩素源を用いて還元ガス雰囲気下で還元して放射性セシウムを塩化セシウムとして揮発させる還元揮発炉と、該還元揮発炉から排出された灰中に残存する炭素分を燃焼させて除去する燃焼炉とを備えたことを特徴とする放射性セシウムの酸化物を含有する灰の処理装置。
- 前記還元揮発炉がさらに炭材の投入口を有し、炉内を還元ガス雰囲気にすることを特徴とする請求項1に記載の放射性セシウムの酸化物を含有する灰の処理装置。
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JP2011283005A Division JP5716656B2 (ja) | 2011-12-26 | 2011-12-26 | 放射性セシウムの酸化物を含有する灰の処理方法 |
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JP2016031048A Division JP6070970B2 (ja) | 2016-02-22 | 2016-02-22 | 放射性セシウムの酸化物を含有する灰の処理装置 |
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JP5928761B2 true JP5928761B2 (ja) | 2016-06-01 |
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Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4313936B2 (ja) * | 2000-08-17 | 2009-08-12 | 太平洋セメント株式会社 | 焼成物の製造方法およびその装置 |
JP3852394B2 (ja) * | 2002-11-06 | 2006-11-29 | Jfeエンジニアリング株式会社 | 灰処理システム |
JP2011042870A (ja) * | 2009-07-21 | 2011-03-03 | Kobe Steel Ltd | アルカリ含有製鉄ダストを原料とする還元鉄の製造装置および製造方法 |
JP5159971B1 (ja) * | 2011-09-15 | 2013-03-13 | 太平洋セメント株式会社 | 放射性セシウムの除去方法、及び、焼成物の製造方法 |
JP5767938B2 (ja) * | 2011-10-19 | 2015-08-26 | 新日鉄住金エンジニアリング株式会社 | 低レベル放射性廃棄物の減容処理方法 |
JP2013122449A (ja) * | 2011-11-11 | 2013-06-20 | Taiheiyo Cement Corp | 放射性セシウムの除去方法、及び、焼成物の製造方法 |
JP5850494B2 (ja) * | 2011-11-18 | 2016-02-03 | 太平洋セメント株式会社 | 放射性セシウムの除去方法及び除去装置 |
JP6284092B2 (ja) * | 2011-11-18 | 2018-02-28 | 公益財団法人若狭湾エネルギー研究センター | Riセシウムの分離除去方法、及びその装置 |
JP5973157B2 (ja) * | 2011-12-08 | 2016-08-23 | 日本碍子株式会社 | 放射性セシウム汚染物の処理方法 |
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