JP4168348B2 - 紫外線照度測定装置、及び紫外線照射装置 - Google Patents
紫外線照度測定装置、及び紫外線照射装置 Download PDFInfo
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- JP4168348B2 JP4168348B2 JP2005352365A JP2005352365A JP4168348B2 JP 4168348 B2 JP4168348 B2 JP 4168348B2 JP 2005352365 A JP2005352365 A JP 2005352365A JP 2005352365 A JP2005352365 A JP 2005352365A JP 4168348 B2 JP4168348 B2 JP 4168348B2
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Description
−log(Ct/C0)=φu・εu*Iav*t ・・・(1)
なお、φuは、ウリジンの量子収率(4.034*10−8molウリジン/J)、εuは、ウリジンのモル吸光係数(841m2/molウリジン)、Iavは、容器29に占めるウリジン溶液内の空間照度の平均値である。
Iav=(I0−I)/2.303log(I0/I) ・・・(2)
I0/Iav=2.302αd/(1−10−αd) ・・・(3)
Ψ=(1−ランプ保護管7の反射率)*(1−保護管19の反射率)*(1−容器29での反射損失)*(1−受光部27の受光面の反射率) ・・・(4)
3 処理槽
5 紫外線ランプ
7 ランプ保護管
17 紫外線照度測定装置
19 保護管
27 受光部
29 容器
Claims (2)
- 紫外線が照射される流体を収容する処理槽と、該処理槽内に設けられた複数本の紫外線ランプと、紫外線を可視光に変換する波長変換素子により変換された可視光に基づいて前記処理槽内の紫外線の照度を測定する紫外線照度測定装置とを備えてなる紫外線照射装置において、
前記紫外線照度測定装置の波長変換素子は、一方の端部で支持され、他方の端部側に紫外線を受光する受光面を有する受光部を備え、該受光部の受光面は、球面状であるか、又は、少なくとも円柱の周面からなり、
前記複数本の紫外線ランプは、前記処理槽に両端を固定して一又は二重の円状に配置された紫外線透過性を有する複数本のランプ保護管内にそれぞれ挿入され、前記複数本の紫外線ランプが配置された円の中心に紫外線透過性を有する保護管が前記処理槽に両端を固定して配置され、前記保護管内に前記波長変換素子が挿入されてなり、前記複数本のランプ保護管は、前記波長変換素子から各紫外線ランプを見通せる位置に互いに間隔を離して配置されてなることを特徴とする紫外線照射装置。 - 前記受光部は、紫外線透過性を有する筒状の容器に挿入されており、該容器は、一方の端部が閉塞され、他方の端部が開口された形状であり、前記容器の開口された端部を閉塞する閉塞部材に脱着可能に取り付けられていることを特徴とする請求項1に記載の紫外線照射装置。
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JP2005352365A JP4168348B2 (ja) | 2005-12-06 | 2005-12-06 | 紫外線照度測定装置、及び紫外線照射装置 |
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JP2005352365A JP4168348B2 (ja) | 2005-12-06 | 2005-12-06 | 紫外線照度測定装置、及び紫外線照射装置 |
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JP2007155546A JP2007155546A (ja) | 2007-06-21 |
JP4168348B2 true JP4168348B2 (ja) | 2008-10-22 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8487267B2 (en) | 2011-03-17 | 2013-07-16 | Kabushiki Kaisha Toshiba | Ultraviolet irradiation system |
US9725337B2 (en) | 2012-03-06 | 2017-08-08 | Kabushiki Kaisha Toshiba | Ultraviolet irradiation apparatus |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7862728B2 (en) * | 2007-09-27 | 2011-01-04 | Water Of Life, Llc. | Ultraviolet water purification system |
JP2009082774A (ja) * | 2007-09-27 | 2009-04-23 | Chiyoda Kohan Co Ltd | 紫外線水処理システム及びそのシステムに用いる紫外線水処理装置並びに遠隔監視装置。 |
JP4869206B2 (ja) * | 2007-11-05 | 2012-02-08 | 千代田工販株式会社 | 紫外線水処理装置 |
JP4856046B2 (ja) * | 2007-11-06 | 2012-01-18 | フナテック株式会社 | 紫外線殺菌装置 |
JP2009252546A (ja) * | 2008-04-07 | 2009-10-29 | Ushio Inc | 紫外線用放電ランプおよびこれを備えたランプユニット |
JP5228678B2 (ja) * | 2008-07-31 | 2013-07-03 | 岩崎電気株式会社 | 紫外線殺菌装置 |
JP5127691B2 (ja) * | 2008-12-24 | 2013-01-23 | 株式会社東芝 | 紫外線消毒装置 |
JP5482307B2 (ja) * | 2010-03-08 | 2014-05-07 | 岩崎電気株式会社 | 紫外線処理装置 |
JP5948042B2 (ja) * | 2011-11-14 | 2016-07-06 | 千代田工販株式会社 | 紫外線照射装置 |
JP6244080B2 (ja) * | 2012-02-06 | 2017-12-06 | 千代田工販株式会社 | 紫外線照射装置 |
JP6119281B2 (ja) * | 2013-02-08 | 2017-04-26 | 岩崎電気株式会社 | 流体処理装置 |
JP6826836B2 (ja) * | 2016-08-09 | 2021-02-10 | 旭化成株式会社 | 紫外線照射装置 |
TW201922348A (zh) * | 2017-09-25 | 2019-06-16 | 日商日本光電科技股份有限公司 | 自led放射之紫外線之照度計算方法及記憶用於其之程式之記憶媒體 |
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2005
- 2005-12-06 JP JP2005352365A patent/JP4168348B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8487267B2 (en) | 2011-03-17 | 2013-07-16 | Kabushiki Kaisha Toshiba | Ultraviolet irradiation system |
US9725337B2 (en) | 2012-03-06 | 2017-08-08 | Kabushiki Kaisha Toshiba | Ultraviolet irradiation apparatus |
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