JP2018513960A - 蒸気重量率計測器 - Google Patents
蒸気重量率計測器 Download PDFInfo
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- JP2018513960A JP2018513960A JP2017542108A JP2017542108A JP2018513960A JP 2018513960 A JP2018513960 A JP 2018513960A JP 2017542108 A JP2017542108 A JP 2017542108A JP 2017542108 A JP2017542108 A JP 2017542108A JP 2018513960 A JP2018513960 A JP 2018513960A
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- 0 CCCC1=C(C)*=CC1 Chemical compound CCCC1=C(C)*=CC1 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/226—Construction of measuring vessels; Electrodes therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/06—Control systems for steam boilers for steam boilers of forced-flow type
- F22B35/16—Control systems for steam boilers for steam boilers of forced-flow type responsive to the percentage of steam in the mixture of steam and water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
-
- 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
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
- G01N25/58—Investigating or analyzing materials by the use of thermal means by investigating moisture content by measuring changes of properties of the material due to heat, cold or expansion
- G01N25/60—Investigating or analyzing materials by the use of thermal means by investigating moisture content by measuring changes of properties of the material due to heat, cold or expansion for determining the wetness of steam
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims (20)
- 流入口及び流出口を有した導管と、
前記流入口と前記流出口との間の前記導管内に配設されたロッドであって、前記ロッドの外周面と前記導管の内周面との間に環状流路を形成するロッドと、
前記流入口と前記ロッドの上流側端部との間の前記導管内に配設された混合機構と、
前記環状流路内に間隙を設けて配置された複数のセンサであって、それぞれが、前記環状流路を流動する蒸気のキャパシタンス及びインピーダンスの少なくとも一方を検出するセンサと
を備えることを特徴とする蒸気重量率計測器。 - 前記複数のセンサは、複数の電極を備えることを特徴とする請求項1に記載の蒸気重量率計測器。
- 前記複数の電極は、前記ロッドの前記外周面に設けられた複数のロッド電極と、少なくとも1つの導管電極とを含むことを特徴とする請求項1に記載の蒸気重量率計測器。
- 前記導管は、導電性材料からなり、前記導管が前記導管電極となることを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記導管は、絶縁材料からなることを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記導管電極は、前記導管の前記内周面に取り付けられることを特徴とする請求項5に記載の蒸気重量率計測器。
- 前記複数のロッド電極は、前記ロッドの前記外周面の上半分に設けられた電極と、前記ロッドの前記外周面の下半分に設けられた電極とからなることを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記複数のロッド電極は、前記ロッドの長手方向に間隙を設けて前記外周面に設けられた電極を含むことを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記複数のロッド電極は、前記ロッドの長手方向に間隙を設けて前記外周面の上半分に設けられた複数の電極と、前記ロッドの長手方向に間隙を設けて前記外周面の下半分に設けられた複数の電極とを含むことを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記ロッドは、絶縁層を備えることを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記複数のロッド電極は、少なくとも1つのギャップにより隔てられていることを特徴とする請求項3に記載の蒸気重量率計測器。
- 前記少なくとも1つのギャップは、絶縁材料が充填されることを特徴とする請求項11に記載の蒸気重量率計測器。
- 前記キャパシタンス及びインピーダンスの少なくとも一方についての前記複数のセンサのそれぞれの検出結果に基づき、前記環状流路を流動する蒸気の蒸気重量率を計測して出力する電子回路を更に備えることを特徴とする請求項1に記載の蒸気重量率計測器。
- 前記電子回路は、監視制御及びデータ収集システム、または遠隔計測システムを備えることを特徴とする請求項13に記載の蒸気重量率計測器。
- 前記電子回路は、ローカルオペレータインタフェースを備えることを特徴とする請求項14に記載の蒸気重量率計測器。
- 導管の流入口から前記導管内に蒸気を導く工程と、
前記蒸気を均質化する工程と、
前記導管の流出口に向けて前記導管内の環状流路に前記蒸気を流動させる工程と、
前記環状流路を流動する蒸気のキャパシタンス及びインピーダンスの少なくとも一方を前記環状流路内の複数箇所で検出する工程と、
前記キャパシタンス及びインピーダンスの少なくとも一方についての、前記環状流路内の前記複数箇所のそれぞれでの検出結果に基づき、前記環状流路を流動する蒸気の蒸気重量率を求める工程と
を備えることを特徴とする蒸気重量率計測方法。 - 前記蒸気の前記キャパシタンス及びインピーダンスの少なくとも一方を検出する前記工程は、前記導管の内周面に設けた電極と、前記流入口及び前記流出口の間の前記導管内に配設されたロッドの外周面に設けた複数のロッド電極との間で、前記蒸気の前記キャパシタンス及びインピーダンスの少なくとも一方を検出する工程を含むことを特徴とする請求項16に記載の蒸気重量率計測方法。
- 前記キャパシタンス及びインピーダンスの少なくとも一方についての、前記環状流路内の前記複数箇所のそれぞれでの検出結果を比較して、前記蒸気重量率の信頼性の目安を得る工程を更に備えることを特徴とする請求項16に記載の蒸気重量率計測方法。
- 前記蒸気重量率を求める前記工程は、前記キャパシタンス及びインピーダンスの少なくとも一方についての、前記環状流路内の前記複数箇所のそれぞれでの検出結果を平均する工程を備えることを特徴とする請求項16に記載の蒸気重量率計測方法。
- 前記蒸気を均質化する前記工程は、前記導管の前記流入口と前記環状流路との間に配設された混合機構を通して前記蒸気を流動させる工程を備えることを特徴とする請求項16に記載の蒸気重量率計測方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/643,819 US9689823B2 (en) | 2015-03-10 | 2015-03-10 | Steam quality meter and measurement method |
US14/643,819 | 2015-03-10 | ||
PCT/US2016/017296 WO2016144469A1 (en) | 2015-03-10 | 2016-02-10 | Steam quality diagnostic meter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018513960A true JP2018513960A (ja) | 2018-05-31 |
JP6781158B2 JP6781158B2 (ja) | 2020-11-04 |
Family
ID=54826800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017542108A Active JP6781158B2 (ja) | 2015-03-10 | 2016-02-10 | 蒸気重量率計測器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9689823B2 (ja) |
EP (1) | EP3268577B1 (ja) |
JP (1) | JP6781158B2 (ja) |
CN (2) | CN106153681B (ja) |
WO (1) | WO2016144469A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689823B2 (en) * | 2015-03-10 | 2017-06-27 | Rosemount Inc. | Steam quality meter and measurement method |
US10108161B2 (en) * | 2015-04-17 | 2018-10-23 | Agar Corporation Ltd. | System and method for controlling and measuring steam |
Citations (8)
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JPS62191748A (ja) * | 1986-02-18 | 1987-08-22 | Yokogawa Electric Corp | 気液混合比測定装置 |
US4769593A (en) * | 1986-06-10 | 1988-09-06 | Conoco Inc. | Method and apparatus for measurement of steam quality |
US4854725A (en) * | 1988-06-10 | 1989-08-08 | Texaco Inc. | Multi-sensor steam quality monitoring means and method |
US5861755A (en) * | 1995-11-06 | 1999-01-19 | The United States Of America As Represented By The Adminstrator Of National Aeronautics And Space Administration | Two-phase quality/flow meter |
US6655221B1 (en) * | 1999-01-11 | 2003-12-02 | Flowsys As | Measuring multiphase flow in a pipe |
JP2005134375A (ja) * | 2003-09-29 | 2005-05-26 | Air Products & Chemicals Inc | 流体流量測定方法 |
US20110259120A1 (en) * | 2008-12-19 | 2011-10-27 | Abbon As | Multiphase flowmeter |
US20140311251A1 (en) * | 2013-04-19 | 2014-10-23 | Dan Hutchinson | Steam quality and flow rate measurement system |
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-
2015
- 2015-03-10 US US14/643,819 patent/US9689823B2/en active Active
- 2015-04-24 CN CN201510202068.2A patent/CN106153681B/zh active Active
- 2015-04-24 CN CN201520256144.3U patent/CN204882439U/zh not_active Expired - Fee Related
-
2016
- 2016-02-10 EP EP16762100.2A patent/EP3268577B1/en active Active
- 2016-02-10 JP JP2017542108A patent/JP6781158B2/ja active Active
- 2016-02-10 WO PCT/US2016/017296 patent/WO2016144469A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62191748A (ja) * | 1986-02-18 | 1987-08-22 | Yokogawa Electric Corp | 気液混合比測定装置 |
US4769593A (en) * | 1986-06-10 | 1988-09-06 | Conoco Inc. | Method and apparatus for measurement of steam quality |
US4854725A (en) * | 1988-06-10 | 1989-08-08 | Texaco Inc. | Multi-sensor steam quality monitoring means and method |
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US6655221B1 (en) * | 1999-01-11 | 2003-12-02 | Flowsys As | Measuring multiphase flow in a pipe |
JP2005134375A (ja) * | 2003-09-29 | 2005-05-26 | Air Products & Chemicals Inc | 流体流量測定方法 |
US20110259120A1 (en) * | 2008-12-19 | 2011-10-27 | Abbon As | Multiphase flowmeter |
US20140311251A1 (en) * | 2013-04-19 | 2014-10-23 | Dan Hutchinson | Steam quality and flow rate measurement system |
Also Published As
Publication number | Publication date |
---|---|
US9689823B2 (en) | 2017-06-27 |
EP3268577B1 (en) | 2020-08-12 |
CN106153681B (zh) | 2021-01-22 |
JP6781158B2 (ja) | 2020-11-04 |
EP3268577A1 (en) | 2018-01-17 |
US20160266060A1 (en) | 2016-09-15 |
WO2016144469A1 (en) | 2016-09-15 |
CN106153681A (zh) | 2016-11-23 |
CN204882439U (zh) | 2015-12-16 |
EP3268577A4 (en) | 2018-08-22 |
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