JP2007509318A - 天然ガス中の水蒸気を検出する方法および装置 - Google Patents
天然ガス中の水蒸気を検出する方法および装置 Download PDFInfo
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- G—PHYSICS
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J3/433—Modulation spectrometry; Derivative spectrometry
- G01J3/4338—Frequency modulated spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
- G01N2021/354—Hygrometry of gases
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
- G01N2021/396—Type of laser source
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Abstract
【選択図】 図5
Description
Claims (10)
- 天然ガス中の水蒸気を検出するための装置であって、
水分子が天然ガス分子を実質的に超えるレベルで光を吸収する波長の狭い線幅を有する光を発する光源と、
前記光源から発せられた光の強度を検出するように配置した検出器と、
前記検出器によって検出した光の強度のみに基づいて前記検出器に接続した天然ガス中の水蒸気量を定量するための電子機器と
を備える装置。 - パイプライン中の天然ガス中の水蒸気を検出するための装置であって、
試料採取密閉容器と
前記試料採取密閉容器内に設置した少なくとも1つの光学的ガスセンサーと
天然ガスを前記光学的ガスセンサーに供給するために、前記パイプラインおよび前記ガスセンサーに接続した供給ラインと
を備え、
前記光学的ガスセンサーが
2枚の向かい合う鏡を有するヘリオットセルと
前記ヘリオットセルを通して水分子が天然ガス分子を実質的に超えるレベルで光を吸収する波長で発光し、光が鏡で反射して少なくとも2回天然ガスを通過するように配置した光源と
前記光源から発せられた光の強度を、光が少なくとも2回鏡で反射した後に検出するように配置した検出器と
前記検出器によって検出した光の強度のみに基づいて前記検出器に接続した天然ガス中の水蒸気量を定量するための電子機器と
を備える、装置。 - 前記光源が、DFBレーザー、波長可変ダイオードレーザー、VCSEL、色中心レーザー、および量子カスケードレーザーを含む群から選択される請求項1または2に記載の装置。
- 前記検出器がInGaAs検出器である、請求項1〜3のいずれか一項に記載の装置。
- 天然ガス中の水蒸気の既知濃度と比較して前記センサーを較正する較正手段をさらに備える、請求項1〜4のいずれか一項に記載の装置。
- 920ないし960nm、1.8〜1.9μm、1.877〜1.901μm、2.7〜2.8μm、および2.711〜2.786μmを含む群から選択された波長範囲にほぼ入る波長で前記レーザーが作動する、請求項1〜5のいずれか一項に記載の装置。
- 天然ガス中の水分を定量する方法であって、
水分子が天然ガス分子を実質的に超えるレベルで光を吸収する狭い線幅を有する波長で光を発生するステップと、
発生した光に天然ガス試料を通過させるステップと、
天然ガスを通過した光を検出するステップと、
検出した光のレベルのみに基づいて天然ガス中の水分を定量するステップと
を含む方法。 - 波長可変ダイオードレーザー、VCSEL、色中心レーザー、および量子カスケードレーザーを含む群から選択された光源により光を発生する、請求項7に記載の方法。
- 前記発生した光が、920ないし960nm、1.8〜1.9μm、1.877〜1.901μm、2.7〜2.8μm、および2.711〜2.786μmを含む群の1つの範囲内の波長を有する、請求項7または8に記載の方法。
- 天然ガス中の水蒸気を検出する装置であって、
水分子が天然ガス分子を実質的に超えるレベルで光を吸収する波長の狭い線幅を有する光を発する光学的手段と、
前記光源から発せられた光の強度を検出するための検出手段と、
前記検出手段によって検出した光の強度のみに基づいて前記検出器に接続した天然ガス中の水蒸気量を定量するための定量装置と
を備える装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/688,723 US7132661B2 (en) | 2000-08-28 | 2003-10-16 | System and method for detecting water vapor within natural gas |
PCT/US2004/003877 WO2005047872A1 (en) | 2003-10-16 | 2004-02-11 | Method and device for detecting water vapor within natural gas |
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JP2010138451A Division JP2010237221A (ja) | 2003-10-16 | 2010-06-17 | パイプライン中の天然ガス中の水蒸気を定量するための装置および方法 |
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JP2006535317A Pending JP2007509318A (ja) | 2003-10-16 | 2004-02-11 | 天然ガス中の水蒸気を検出する方法および装置 |
JP2010138451A Pending JP2010237221A (ja) | 2003-10-16 | 2010-06-17 | パイプライン中の天然ガス中の水蒸気を定量するための装置および方法 |
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JP2010138451A Pending JP2010237221A (ja) | 2003-10-16 | 2010-06-17 | パイプライン中の天然ガス中の水蒸気を定量するための装置および方法 |
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US (3) | US7132661B2 (ja) |
EP (2) | EP2233915A1 (ja) |
JP (2) | JP2007509318A (ja) |
CN (1) | CN1867820B (ja) |
AU (1) | AU2004290273B2 (ja) |
CA (1) | CA2540395C (ja) |
WO (1) | WO2005047872A1 (ja) |
Cited By (6)
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JP2007114143A (ja) * | 2005-10-24 | 2007-05-10 | Sumitomo Metal Ind Ltd | 焼結原料の水分計測方法及び装置 |
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JP2013040937A (ja) * | 2011-08-17 | 2013-02-28 | General Electric Co <Ge> | 天然ガス中の水分を検出するための方法およびシステム |
JP2014206533A (ja) * | 2013-04-10 | 2014-10-30 | ゼネラル・エレクトリック・カンパニイ | 天然ガスのための水分発生システムにおける臨界流 |
JP2016503904A (ja) * | 2013-01-23 | 2016-02-08 | カリフォルニア インスティチュート オブ テクノロジー | 微量ガス検出用小型チューナブルレーザ分光計 |
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JP2007114143A (ja) * | 2005-10-24 | 2007-05-10 | Sumitomo Metal Ind Ltd | 焼結原料の水分計測方法及び装置 |
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JP2013040937A (ja) * | 2011-08-17 | 2013-02-28 | General Electric Co <Ge> | 天然ガス中の水分を検出するための方法およびシステム |
JP2016503904A (ja) * | 2013-01-23 | 2016-02-08 | カリフォルニア インスティチュート オブ テクノロジー | 微量ガス検出用小型チューナブルレーザ分光計 |
JP2014206533A (ja) * | 2013-04-10 | 2014-10-30 | ゼネラル・エレクトリック・カンパニイ | 天然ガスのための水分発生システムにおける臨界流 |
JP2017502303A (ja) * | 2014-01-07 | 2017-01-19 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 光吸収による気体センサ |
Also Published As
Publication number | Publication date |
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JP2010237221A (ja) | 2010-10-21 |
CA2540395C (en) | 2012-08-28 |
EP2233915A1 (en) | 2010-09-29 |
US20070045543A1 (en) | 2007-03-01 |
US7504631B2 (en) | 2009-03-17 |
US20070034802A1 (en) | 2007-02-15 |
US7339168B2 (en) | 2008-03-04 |
US7132661B2 (en) | 2006-11-07 |
US20040079887A1 (en) | 2004-04-29 |
EP1673612A1 (en) | 2006-06-28 |
WO2005047872A1 (en) | 2005-05-26 |
CN1867820B (zh) | 2013-05-22 |
AU2004290273A1 (en) | 2005-05-26 |
AU2004290273B2 (en) | 2008-07-24 |
CN1867820A (zh) | 2006-11-22 |
CA2540395A1 (en) | 2005-05-26 |
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