JP7163973B2 - 水質分析計 - Google Patents
水質分析計 Download PDFInfo
- Publication number
- JP7163973B2 JP7163973B2 JP2020561164A JP2020561164A JP7163973B2 JP 7163973 B2 JP7163973 B2 JP 7163973B2 JP 2020561164 A JP2020561164 A JP 2020561164A JP 2020561164 A JP2020561164 A JP 2020561164A JP 7163973 B2 JP7163973 B2 JP 7163973B2
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- JP
- Japan
- Prior art keywords
- combustion tube
- sample injection
- output
- sample
- pressure sensor
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 20
- 238000002485 combustion reaction Methods 0.000 claims description 107
- 238000002347 injection Methods 0.000 claims description 77
- 239000007924 injection Substances 0.000 claims description 77
- 239000012159 carrier gas Substances 0.000 claims description 37
- 230000002159 abnormal effect Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 24
- 230000005856 abnormality Effects 0.000 description 21
- 238000009423 ventilation Methods 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/24—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures using combustion tubes, e.g. for microanalysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
- G01N33/1846—Total carbon analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
2a 試料注入口
2b キャリアガス導入口
2c 試料ガス出口
4 電気炉
6 切替バルブ
8 シリンジポンプ
10 除湿部
12 検出部
14 制御装置
16 試料導入流路
18 キャリアガス供給流路
20 試料ガス流路
22 通気ガス供給流路
24 高純度空気源
26,32 抵抗管
28,34 圧力センサ
30,36 流量制御弁
38 温度センサ
40 注入制御部
42 キャリアガス流量制御部
44 温度制御部
46 判定部
48 判定結果記憶部
Claims (4)
- 内部で液体の試料を燃焼させるための燃焼管と、
前記燃焼管への試料注入動作を実行する試料注入部と、
前記燃焼管内の圧力を検出する圧力センサと、
前記燃焼管の温度を検出する温度センサと、
前記試料注入部による前記試料注入動作が実行された直後の前記圧力センサの出力及び前記温度センサの出力に基づいて、前記燃焼管及び/又は前記試料注入部について正常か異常かを判定するように構成された判定部と、を備え、
前記判定部は、前記試料注入部による前記試料注入動作が実行された直後の前記圧力センサの出力の変動の有無、及び、前記温度センサの出力の変動の有無を検知し、その検知結果に基づいて、前記燃焼管及び/又は前記試料注入部について正常か異常かを判定するように構成されており、
前記判定部は、前記圧力センサの出力の変動を検知したときは前記燃焼管及び前記試料注入部が正常であると判定し、前記温度センサの出力の変動のみを検知したときは前記燃焼管が異常かつ前記試料注入部が正常であると判定し、前記圧力センサの出力及び前記温度センサの出力のいずれの変動も検知しなかったときは前記試料注入部が異常であると判定するように構成されている、水質分析計。 - 前記判定部は、前記圧力センサの出力が予め設定された第1のしきい値を超えたときに前記圧力センサの出力の変動を検知し、前記温度センサの出力が予め設定された第2のしきい値を下回ったときに前記温度センサの出力の変動を検知するように構成されている、請求項1に記載の水質分析計。
- 前記判定部による判定結果を記憶する判定結果記憶部を備えている、請求項1に記載の水質分析計。
- 前記燃焼管に流体接続されて前記燃焼管内にキャリアガスを供給するためのキャリアガス供給流路を備え、
前記圧力センサは前記キャリアガス供給流路上に設けられている、請求項1に記載の水質分析計。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018239247 | 2018-12-21 | ||
JP2018239247 | 2018-12-21 | ||
PCT/JP2019/037952 WO2020129347A1 (ja) | 2018-12-21 | 2019-09-26 | 水質分析計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020129347A1 JPWO2020129347A1 (ja) | 2021-09-27 |
JP7163973B2 true JP7163973B2 (ja) | 2022-11-01 |
Family
ID=71100746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020561164A Active JP7163973B2 (ja) | 2018-12-21 | 2019-09-26 | 水質分析計 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11988622B2 (ja) |
EP (1) | EP3901629A4 (ja) |
JP (1) | JP7163973B2 (ja) |
CN (1) | CN112969917A (ja) |
WO (1) | WO2020129347A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012202887A (ja) | 2011-03-28 | 2012-10-22 | Shimadzu Corp | 分析装置 |
JP2013185884A (ja) | 2012-03-07 | 2013-09-19 | Shimadzu Corp | 水質分析計 |
JP2016080441A (ja) | 2014-10-14 | 2016-05-16 | 株式会社島津製作所 | 水質分析計 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59122948A (ja) * | 1982-12-29 | 1984-07-16 | Shimadzu Corp | 燃焼式水質分析計 |
JP2576209B2 (ja) * | 1988-07-22 | 1997-01-29 | 株式会社島津製作所 | 有機炭素測定装置 |
JPH10104219A (ja) * | 1996-09-30 | 1998-04-24 | Shimadzu Corp | Toc計 |
JP2000221183A (ja) * | 1999-01-29 | 2000-08-11 | Horiba Ltd | 水質分析計のフロー異常判定方法 |
JP3748071B2 (ja) * | 2002-10-21 | 2006-02-22 | 東芝プラントシステム株式会社 | 有機性不純物の酸化分解後生成無機イオンの濃度測定装置 |
GB2445184B (en) * | 2006-12-29 | 2009-05-06 | Thermo Fisher Scientific Inc | Combustion analyser sample introduction apparatus and method |
CN101796393B (zh) * | 2007-09-05 | 2013-06-19 | 通用电气分析仪器公司 | 用于处理包含有机材料的含水试样的装置及其利用方法 |
JP5251624B2 (ja) * | 2009-03-11 | 2013-07-31 | 東亜ディーケーケー株式会社 | 燃焼式水質測定装置 |
DE102009001861A1 (de) * | 2009-03-25 | 2010-09-30 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Verfahren zum Betreiben einer Analysevorrichtung |
JP5533641B2 (ja) * | 2010-12-27 | 2014-06-25 | 株式会社島津製作所 | 分析装置 |
US9194850B2 (en) * | 2011-01-06 | 2015-11-24 | Shimadzu Corporation | Measurement device for total organic carbon |
JP5772376B2 (ja) * | 2011-08-10 | 2015-09-02 | 株式会社三菱化学アナリテック | セプタムを使用した試料注入口 |
JP5845056B2 (ja) * | 2011-10-31 | 2016-01-20 | 株式会社エコロ | 検水中に含まれるtocの計測装置及び計測方法 |
JP6120553B2 (ja) * | 2012-12-19 | 2017-04-26 | アズビル株式会社 | バルブの漏れ検知方法および燃焼設備 |
JP6160536B2 (ja) * | 2014-03-28 | 2017-07-12 | 株式会社島津製作所 | 水質分析計及び水質分析方法 |
CN104459016B (zh) * | 2014-09-25 | 2016-08-17 | 长沙开元仪器股份有限公司 | 一种元素测试仪 |
CN104459075B (zh) * | 2014-12-30 | 2016-11-02 | 内蒙古路易精普检测科技有限公司 | 在线toc监测仪的检测方法 |
CN104777278A (zh) * | 2015-04-10 | 2015-07-15 | 张振巍 | 一种水总有机碳的测定方法 |
JP2017223583A (ja) * | 2016-06-16 | 2017-12-21 | 株式会社島津製作所 | 水質分析計 |
-
2019
- 2019-09-26 US US17/414,380 patent/US11988622B2/en active Active
- 2019-09-26 CN CN201980073217.6A patent/CN112969917A/zh active Pending
- 2019-09-26 EP EP19899266.1A patent/EP3901629A4/en active Pending
- 2019-09-26 JP JP2020561164A patent/JP7163973B2/ja active Active
- 2019-09-26 WO PCT/JP2019/037952 patent/WO2020129347A1/ja unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012202887A (ja) | 2011-03-28 | 2012-10-22 | Shimadzu Corp | 分析装置 |
JP2013185884A (ja) | 2012-03-07 | 2013-09-19 | Shimadzu Corp | 水質分析計 |
JP2016080441A (ja) | 2014-10-14 | 2016-05-16 | 株式会社島津製作所 | 水質分析計 |
Also Published As
Publication number | Publication date |
---|---|
EP3901629A1 (en) | 2021-10-27 |
US11988622B2 (en) | 2024-05-21 |
JPWO2020129347A1 (ja) | 2021-09-27 |
US20220050070A1 (en) | 2022-02-17 |
EP3901629A4 (en) | 2022-08-10 |
CN112969917A (zh) | 2021-06-15 |
WO2020129347A1 (ja) | 2020-06-25 |
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