JP2018096983A - 懸濁液を測定するための測定方法及び測定装置 - Google Patents
懸濁液を測定するための測定方法及び測定装置 Download PDFInfo
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Abstract
【解決手段】
本発明は、木質繊維を含有する懸濁液を測定するための溶液に関する。懸濁液の濃度はある濃度範囲内で変更される(100)。光放射線が懸濁液に向けられ(102)、懸濁液と相互作用する光放射線の強度が前記濃度範囲内の異なる濃度で測定される。前記濃度範囲内で、光放射線の最大強度が決定される(104)。懸濁液の特性であるカッパ数、明度のうちの少なくとも1つが、決定された最大強度に基づいて決定される(106)。
【選択図】 図1
Description
を含む。
前記測定装置は、懸濁液に光学放射線を向けるための光源と、懸濁液と相互作用する光学放射線を測定するための少なくとも1つの光学的測定センサとを備え、
前記測定装置は、前記懸濁液の濃度を一定の濃度範囲で変更し;
光学放射線を前記懸濁液に放射し、前記濃度範囲内で異なる濃度の前記懸濁液と相互作用する光学放射線の強度を測定し;
前記濃度範囲内の光学放射線の最大強度を決定し;
決定された前記最大強度に基づき、前記懸濁液のκ価及び明度の特性の少なくとも1つを決定するように構成される。
以下に、添付の図面を参照して好ましい実施形態を用いて本発明をより詳細に説明する。
202 懸濁液
204 サンプラ
206 パイプ
208 測定チャンバ
210, 212, 216, 218,220, 222 弁
214 ワイヤ
226 検出器部分
228 測定コントローラ
300 光源
302,304 検出器
306 第1光ファイバ
308,310 光ファイバ
Claims (15)
- 木質繊維を含む懸濁液を測定する方法であって、
一定の濃度範囲で懸濁液の濃度を変更し;
前記懸濁液に光放射線を照射し、前記濃度範囲内で異なる濃度で前記懸濁液と相互作用する光放射線の強度を測定し;
前記濃度範囲内で前記光放射線の最大強度を決定し;
決定された最大強度に基づいて前記懸濁液のκ価及び明るさの特性のうちの少なくとも1つを決定する、
ことを含む方法。 - 光放射線源を用いて光放射線を前記懸濁液に照射し;
所定の表面積、開口数および光源からの距離を有する1つまたは複数の光学測定センサを用いて、前記懸濁液と相互作用する光放射線の強度を測定することを含む、
請求項1に記載の方法。 - 前記濃度範囲および所望の強度に基づいて所定の表面積、開口数および距離を選択することを更に含む、
請求項2に記載の方法。 - 紫外線によってκ価を測定することを更に含む、
請求項1に記載の方法。 - 前記懸濁液の前記濃度が、前記濃度範囲内のすべての濃度を連続的に変化するように、前記濃度を変更することを更に含む、
請求項1に記載の方法。 - 測定される懸濁液の試料を加圧されていない測定チャンバに移すことを更に含む、請求項1に記載の方法。
- 所定の直径および開口数を有する第1光ファイバを使用して、前記光放射線を前記懸濁液に照射し;
各光ファイバが、所定の直径を有し、前記光ファイバの端部は、前記第1光ファイバの端部に隣接して、前記第1光ファイバから所定の距離だけ離れて配置されるようにされた一組の光ファイバに接続された検出器を用いて前記懸濁液と相互作用する光放射線の強度を測定することを更に含む請求項1に記載の方法。 - 測定チャンバの壁の窓の後ろで前記測定チャンバの外側に配置された光源を使用して、前記懸濁液に光放射線を照射し;
前記測定チャンバの窓の後で前記測定チャンバの外側に配置され、所定の直径を有し、前記光源から所定の距離に配置される検出器を用いて、前記懸濁液と相互作用する光放射線の強度を測定することを更に含む請求項1に記載の方法。 - 木質繊維を含む懸濁液を測定するための測定装置であって、
前記測定装置は、懸濁液に光放射線を照射するための光源と前記懸濁液と相互作用する光放射線を測定するための少なくとも1つの光学測定センサを備え、
前記測定装置は、所定の濃度範囲で前記懸濁液の濃度を変更し;
前記懸濁液に光放射線を照射し、前記濃度範囲内の異なる濃度で前記懸濁液と相互作用する光放射線の強度を測定し;
前記濃度範囲内の光放射線の最大強度を決定し;
決定された前記最大強度に基づいて懸濁液のκ価及び明度の特性の少なくとも1つを決定するように構成される、
測定装置。 - 少なくとも1つの測定センサは、所定の表面積、開口数および前記光源からの距離を有し、所定の前記表面積および前記距離は、前記濃度範囲および所定の強度の大きさに基づいて選択される、請求項9に記載の測定装置。
- 前記κ価を紫外線によって測定するように更に構成されている、請求項9に記載の測定装置。
- 前記濃度が前記濃度範囲内のすべての濃度を連続的に変化するように、前記濃度を変更するように更に構成される請求項9に記載の測定装置。
- 前記測定装置は、加圧されていない測定チャンバを含み、前記測定装置は、測定されるべき懸濁液のサンプルを測定チャンバーに取り込むようにさらに構成された、請求項9に記載の測定装置。
- 前記測定装置は、第1端部が前記光源に接続され、第2端部が測定チャンバ内にあり、前記懸濁液に前記光放射線を照射するように構成された第1光ファイバと、
前記懸濁液と相互作用する光放射線の強度を測定するための1つ以上の検出器を備え、
各前記検出器は一組の所定の直径を有する光ファイバに接続され、前記光ファイバの端部は、前記第1光ファイバの前記第2端部に隣接して、前記第1光ファイバから所定の距離だけ離れて配置され、所定の前記直径および前記距離は、前記濃度範囲及び所定の前記強度の大きさに基づいて選択される、請求項9に記載の測定装置。 - 前記測定装置は、測定チャンバ壁内の窓と、前記測定チャンバ壁内の窓の後の測定チャンバの外側に配置される前記懸濁液に光放射線を照射するための光源と、
前記懸濁液と相互作用する光放射線の強度を測定するための1つ以上の検出器を備え、
前記検出器は、前記測定チャンバの壁の窓の後に測定チャンバの外側に配置され、各検出器は、所与の直径を有し、前記光源から所定の距離に配置され、所定の前記直径および前記距離は、前記濃度範囲および所望の強度の大きさに基づいて選択される、請求項9に記載の測定装置。
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US4787749A (en) * | 1985-11-28 | 1988-11-29 | Canon Kabushiki Kaisha | Method and apparatus for measuring the thickness of a thin film using the spectral reflection factor of the film |
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- 2017-12-04 CN CN201711255612.5A patent/CN108181253B/zh active Active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020213385A1 (ja) * | 2019-04-19 | 2020-10-22 | 株式会社フジキン | 濃度測定装置 |
US11692931B2 (en) | 2019-04-19 | 2023-07-04 | Fujikin Incorporated | Concentration measurement device |
JP7445313B2 (ja) | 2019-04-19 | 2024-03-07 | 株式会社フジキン | 濃度測定装置 |
Also Published As
Publication number | Publication date |
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CA2986361A1 (en) | 2018-01-24 |
DE102017128828A1 (de) | 2018-06-14 |
CN108181253A (zh) | 2018-06-19 |
AT519438A1 (de) | 2018-06-15 |
SE540722C2 (en) | 2018-10-23 |
AT519438B1 (de) | 2018-12-15 |
FI127260B (en) | 2018-02-15 |
US10261015B2 (en) | 2019-04-16 |
CA2986361C (en) | 2019-09-24 |
DE102017128828B4 (de) | 2019-07-04 |
JP6295367B1 (ja) | 2018-03-14 |
US20180164212A1 (en) | 2018-06-14 |
FI20165938A (fi) | 2018-02-15 |
SE1751415A1 (sv) | 2018-06-09 |
CN108181253B (zh) | 2020-10-16 |
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