JP7038056B2 - ガスエネルギー測定方法および関連装置 - Google Patents
ガスエネルギー測定方法および関連装置 Download PDFInfo
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- JP7038056B2 JP7038056B2 JP2018539084A JP2018539084A JP7038056B2 JP 7038056 B2 JP7038056 B2 JP 7038056B2 JP 2018539084 A JP2018539084 A JP 2018539084A JP 2018539084 A JP2018539084 A JP 2018539084A JP 7038056 B2 JP7038056 B2 JP 7038056B2
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- 238000000691 measurement method Methods 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 129
- 239000000203 mixture Substances 0.000 claims description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims description 45
- 239000001257 hydrogen Substances 0.000 claims description 44
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 40
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 28
- 230000005484 gravity Effects 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 26
- 238000005259 measurement Methods 0.000 description 21
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 20
- 238000012545 processing Methods 0.000 description 15
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000002737 fuel gas Substances 0.000 description 8
- 230000004044 response Effects 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000001739 density measurement Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Volume Flow (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Fluid Pressure (AREA)
Description
WIはウォッベ指数である;
CVは発熱量である;そして、
SGは比重である。
Mco2=%CO2含有量;そして
Mn2=%N2含有量。
好ましくは、外部入力は、水素リッチガス混合物のパーセントCO値を含む。
好ましくは、パーセントCO値は、近赤外線計を用いて決定される。
a.比重(SG)
b.温度(T)
c.圧力(P)
d.分子量(M)
e.パーセント不活性ガス(例えば、%N、%CO2)
f.発熱量/BTU(CV)
g.ウォッベ指数(W1)
h.相対密度(ρrel)
である。
A=147.8458
B=-2.55807
C=-12.3963
D=-48.685065
E=-25.18546
F=1559.94255
上記係数から、測定に対する最大の感度はSGの感度であり、したがって、密度計101由来のSGの正確な測定が重要であることに留意されたい。この式を用いると、典型的な測定誤差は+-0.25%未満で、最大観測偏差は+-0.9%未満である。定数A~Fは、+-5%まで変えることができることに留意されるべきである。
Claims (20)
- ガス密度計を用いて水素リッチガス混合物のエネルギー含有量を決定する方法であって、
振動ガス密度計を提供する工程と、
少なくとも1つの外部入力と通信するように構成されているガス密度計を備えたメータ電子機器を提供する工程と、
水素リッチガス混合物の密度を測定する工程と、
水素リッチガス混合物の比重を測定する工程と、そして、
測定された比重と前記外部入力と複数の一定値とを用いて且つ前記ガス密度計の前記メータ電子機器を用いて水素リッチガス混合物の発熱量を導出する工程とを含み、
前記外部入力が、前記水素リッチガス混合物のパーセントH2値を含む、方法。 - 前記水素リッチガス混合物のウォッベ指数値が計算される、請求項1に記載の方法。
- 前記発熱量(CV)が、
CV=A+(B・%H2)+(C・%CO)+(D・%CO2)+(E・%N2)+(F・SG)(式中、A~Fが一定値を含み、そしてSGが比重を含む)を含む式に従って計算される、請求項1に記載の方法。 - Aが144.8~150.8であり、Bが-2.5~-2.6であり、Cが-12.15~-12.65であり、Dが-47.7~-49.65であり、Eが-24.68~-25.69であり、そして、Fが1528.7~1591.1である、請求項3に記載の方法。
- Aが147.8458であり、Bが-2.55807であり、Cが-12.3963であり、Dが-48.685065であり、Eが-25.18546であり、そしてFが1559.94255である、請求項3に記載の方法。
- 前記パーセントH2値が、熱伝導率計を用いて決定される、請求項5に記載の方法。
- 前記外部入力が前、記水素リッチガス混合物のパーセントCO値を含む、請求項3に記載の方法。
- 前記パーセントCO値が、近赤外線計を用いて決定される、請求項7に記載の方法。
- 前記外部入力が、前記水素リッチガス混合物のパーセントCO2値を含む、請求項3に記載の方法。
- 前記パーセントCO2値が、近赤外線計を用いて決定される、請求項9に記載の方法。
- 前記外部入力が、前記水素リッチガス混合物のパーセントN2値を含む、請求項3に記載の方法。
- 前記パーセントN2値が、ガスクロマトグラフを用いて決定される、請求項11に記載の方法。
- 前記発熱量を導出する工程が、約10秒未満の頻度で達成される、請求項1に記載の方法。
- ガスエネルギーを測定するためのシステム(100)であって、
水素リッチガス混合物の比重を計算するように構成されている振動ガス密度計(101)と、
外部入力(116)に接続するように構成されている通信回線(114)と、
前記通信回線(114)と通信する前記振動ガス密度計(101)を動作させるためのメータ電子機器(112)とを含み、
前記外部入力が、前記水素リッチガス混合物のパーセントH2値を含み、
前記メータ電子機器(112)が、前記水素リッチガス混合物の密度を測定し、前記導出された比重と前記外部入力と複数の一定値とを用いて前記水素リッチガス混合物の発熱量を導出するように構成されている、システム(100)。 - 前記外部入力(116)が、近赤外線計と、熱伝導率計と、ガスクロマトグラフとのうちの少なくとも1つを含む、請求項14に記載のシステム(100)。
- 前記メータ電子機器(112)が、前記水素リッチガス混合物のウォッベ指数値を計算するように構成されている、請求項14に記載のシステム(100)。
- 前記発熱量(CV)が、
CV=A+(B・パーセントH2)+(C・パーセントCO)+(D・パーセントCO2)+(E・%N2)+(F・SG)(式中、A~Fは一定値を含み、そしてSGは比重を含む)を含む式に従って計算される、請求項14に記載のシステム(100)。 - Aが144.8~150.8であり、Bが-2.5~2.6であり、Cが-12.15~-12.65であり、Dが-47.7~-49.65であり、Eが-24.68~-25.69であり、Fが1528.7~1591.1である、請求項17に記載のシステム(100)。
- Aが147.8458であり、Bが2.55807であり、Cが-12.3963であり、Dが-48.685065であり、Eが-25.18546であり、Fが1559.94255である、請求項17に記載のシステム(100)。
- パーセントH2と、パーセントCOと、パーセントCO2と、パーセントN2とのうちの少なくとも1つが、前記外部入力(116)から前記メータ電子機器(112)に供給される、請求項17に記載のシステム(100)。
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PCT/US2016/015160 WO2017131670A1 (en) | 2016-01-27 | 2016-01-27 | Gas energy measurement method and related apparatus |
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EP (1) | EP3408668A1 (ja) |
JP (1) | JP7038056B2 (ja) |
KR (1) | KR102177709B1 (ja) |
CN (1) | CN108496078A (ja) |
AU (1) | AU2016389247B2 (ja) |
BR (1) | BR112018014101B1 (ja) |
CA (1) | CA3012587C (ja) |
MX (1) | MX2018008217A (ja) |
RU (1) | RU2690712C1 (ja) |
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WO2019241418A1 (en) * | 2018-06-12 | 2019-12-19 | Waters Technologies Corporation | Techniques for monitoring chromatographic fluid flows |
CA3152629C (en) * | 2019-09-09 | 2024-03-26 | Micro Motion, Inc. | Systems and methods for live determination of fluid energy content |
DE102020126601A1 (de) | 2020-07-10 | 2022-01-13 | Truedyne Sensors AG | Vorrichtung zum Bestimmen erstens einer Wärmeleitfähigkeit und/oder der spezifischen Wärmekapazität eines Gasgemischs und zweitens einer Dichte und/oder einer Viskosität des Gasgemischs |
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JP2007278244A (ja) | 2006-04-11 | 2007-10-25 | Toyota Motor Corp | 改質ガス利用内燃機関 |
US20130138361A1 (en) | 2010-04-14 | 2013-05-30 | Mobrey Limited | Method of determining the energy content of a methane-rich gas mixture |
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JP2007278244A (ja) | 2006-04-11 | 2007-10-25 | Toyota Motor Corp | 改質ガス利用内燃機関 |
US20130138361A1 (en) | 2010-04-14 | 2013-05-30 | Mobrey Limited | Method of determining the energy content of a methane-rich gas mixture |
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KR102177709B1 (ko) | 2020-11-11 |
US20190170723A1 (en) | 2019-06-06 |
BR112018014101A2 (pt) | 2018-12-11 |
CA3012587C (en) | 2021-07-20 |
AU2016389247A1 (en) | 2018-07-19 |
EP3408668A1 (en) | 2018-12-05 |
CA3012587A1 (en) | 2017-08-03 |
MX2018008217A (es) | 2018-09-07 |
BR112018014101B1 (pt) | 2023-12-05 |
JP2019509471A (ja) | 2019-04-04 |
WO2017131670A1 (en) | 2017-08-03 |
RU2690712C1 (ru) | 2019-06-05 |
KR20180104110A (ko) | 2018-09-19 |
SG11201806399PA (en) | 2018-08-30 |
US11002720B2 (en) | 2021-05-11 |
CN108496078A (zh) | 2018-09-04 |
AU2016389247B2 (en) | 2019-06-13 |
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