JP2018501481A - 気液二相状態の媒体用水素検出器 - Google Patents
気液二相状態の媒体用水素検出器 Download PDFInfo
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 37
- 239000001257 hydrogen Substances 0.000 title claims abstract description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 title claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 46
- 239000012528 membrane Substances 0.000 claims abstract description 31
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 14
- 239000003566 sealing material Substances 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000002241 glass-ceramic Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000007784 solid electrolyte Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 4
- FZFYOUJTOSBFPQ-UHFFFAOYSA-M dipotassium;hydroxide Chemical compound [OH-].[K+].[K+] FZFYOUJTOSBFPQ-UHFFFAOYSA-M 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910002077 partially stabilized zirconia Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/40—Semi-permeable membranes or partitions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4077—Means for protecting the electrolyte or the electrodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
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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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
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- Measuring Oxygen Concentration In Cells (AREA)
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Abstract
Description
非特許文献1に開示された装置の欠点は以下のとおりである:
・検出器の構成が複雑であるので、装置の信頼性が比較的低く、寿命が比較的短い。
・固体電解質を用いた酸素検出器の水蒸気に対する耐熱性と耐腐食性とが比較的低い。
・測定室内の水蒸気の分圧を安定化させるのが難しいので、応答時間が比較的長く、感度に欠ける。
・温度及び配管を安定に保つのが難しいので、水素濃度の測定精度が比較的低い。
このガラスセラミック封止材の組成は、酸化ケイ素(SiO2)45〜55重量%、酸化アルミニウム(Al2O3)4〜6重量%、酸化ホウ素(B2O3)18〜22重量%、酸化チタン(TiO2)9〜12重量%、酸化ナトリウム(Na2O)12〜15重量%、酸化カリウム(K2O)1〜2重量%、及び酸化マグネシウム(MgO)2〜3重量%である。好ましくは、この封止材の組成は、酸化ケイ素(SiO2)50重量%、酸化アルミニウム(Al2O3)5重量%、酸化ホウ素(B2O3)20重量%、酸化チタン(TiO2)10重量%、酸化ナトリウム(Na2O)12重量%、酸化カリウム(K2O)1重量%、及び酸化マグネシウム(MgO)2重量%である。封止材は上筒の内面と電位測定器の外面との間の環状の空洞に充填されている。この上筒はステンレス鋼製である。選択膜は少なくとも1本の管を形成している。
実際、検出器の起電力(EMF)の真値は、二次計器によって引き起こされる起電力と次式の関係がある:
検出器は、上筒8と下筒9、封止材10、電位測定器の芯11、及び栓12を備えている。封止材10は、上筒8の内面と電位測定器の芯11の外面との間の環状の空間を埋めている。電位測定器3の芯11は密封導入部7を貫通している。
試験媒体内に水素検出器を置いている間、媒体に含まれる水素は選択膜1を通して蒸気水素室内へ可逆的に拡散し、検出器の起電力を変化させる。蒸気水素室は、下筒9の内面、容器6から突出するセラミック検知素子4の外側、及び選択膜1の内面を境とする空洞である。検出器の起電力は、濃淡電池の電極間における酸素分圧の差により発生する。この構成は次の図式で表される:
Me|基準電極(5)||ZrO2・Y2O3||多孔質白金電極(6)|H2O,H2|選択膜|媒体。
二次計器へ供給されるべき電気信号は、電位測定器3によって出力される。制御対象の媒体内における酸素濃度の変化は電気信号の値を変化させる。この変化は、阻害されることなく、確実に抽出されて処理される。
Claims (4)
- 気液二相状態の媒体を対象とする水素検出器であって、
選択膜と、
筐体と、
前記筐体に内蔵された電位測定器と、
固体電解質から成り、基準電極と多孔質白金電極とを含むセラミック検知素子と、
前記セラミック検知素子の上方において前記筐体の中にしっかりと固定され、前記電位測定器の芯に貫かれている密封導入部と、
前記電位測定器の芯に貫かれている下筒と、
前記電位測定器の上部に取り付けられている上筒と
を備え、
前記セラミック検知素子は、下側の開口を塞ぐ底がある円筒として設計され、当該円筒の外周面は前記筐体の内面にしっかりと接続され、当該円筒の空洞内には前記基準電極が配置され、当該円筒の底の外側を前記多孔質白金電極が層状に覆っており、
前記電位測定器の芯は端が前記基準電極まで引き出されているので、当該芯の下部と前記基準電極との間は電気的に導通しており、
前記下筒は1本の管として設計され、前記セラミック検知素子が位置する前記筐体の下部に接続され、前記下筒の下端には中心に穴の開いた底があり、当該穴には前記選択膜が取り付けられて少なくとも1本の管を成しており、前記選択膜の下端は自由端であり、栓でしっかりと閉じられており、
前記下筒の内面、前記セラミック検知素子の底の外面、および前記選択膜と前記栓との内面を境とする空洞は漏れなく密閉されており、
前記上筒の内面と前記電位測定器の外面との環状の隙間にはガラスセラミック封止材が充填されている
ことを特徴とする水素検出器。 - 前記ガラスセラミック封止材の組成は、酸化ケイ素(SiO2)50重量%、酸化アルミニウム(Al2O3)5重量%、酸化ホウ素(B2O3)20重量%、酸化チタン(TiO2)10重量%、酸化ナトリウム(Na2O)12重量%、酸化カリウム(K2O)1重量%、及び酸化マグネシウム(MgO)2重量%であることを特徴とする請求項1に記載の水素検出器。
- 前記上筒はステンレス鋼製であることを特徴とする請求項1に記載の水素検出器。
- 前記選択膜は少なくとも1本の管を形成していることを特徴とする請求項1に記載の水素検出器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014150468/28A RU2574423C1 (ru) | 2014-12-15 | Датчик водорода в жидких и газовых средах | |
RU2014150468 | 2014-12-15 | ||
PCT/RU2015/000789 WO2016099329A1 (ru) | 2014-12-15 | 2015-11-16 | Датчик водорода в жидких и газовых средах |
Publications (2)
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JP2018501481A true JP2018501481A (ja) | 2018-01-18 |
JP6921746B2 JP6921746B2 (ja) | 2021-08-18 |
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US (1) | US10962502B2 (ja) |
EP (1) | EP3236249B1 (ja) |
JP (1) | JP6921746B2 (ja) |
KR (1) | KR102199059B1 (ja) |
CN (1) | CN107209148A (ja) |
BR (1) | BR112017013044B1 (ja) |
CA (1) | CA2971131A1 (ja) |
EA (1) | EA032158B1 (ja) |
MY (1) | MY196623A (ja) |
UA (1) | UA121488C2 (ja) |
WO (1) | WO2016099329A1 (ja) |
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EP3236249B1 (en) | 2024-03-13 |
KR20170102493A (ko) | 2017-09-11 |
EP3236249A4 (en) | 2018-06-20 |
WO2016099329A1 (ru) | 2016-06-23 |
EA201650105A1 (ru) | 2017-07-31 |
CA2971131A1 (en) | 2016-06-23 |
BR112017013044A2 (pt) | 2018-01-02 |
EP3236249C0 (en) | 2024-03-13 |
KR102199059B1 (ko) | 2021-01-07 |
EA032158B1 (ru) | 2019-04-30 |
UA121488C2 (uk) | 2020-06-10 |
CN107209148A (zh) | 2017-09-26 |
BR112017013044B1 (pt) | 2021-06-08 |
US20170322176A1 (en) | 2017-11-09 |
MY196623A (en) | 2023-04-23 |
US10962502B2 (en) | 2021-03-30 |
JP6921746B2 (ja) | 2021-08-18 |
EP3236249A1 (en) | 2017-10-25 |
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