JP6600730B2 - 多接点の温度センサーを用いた広帯域溶融金属液位測定装置および熱システム - Google Patents
多接点の温度センサーを用いた広帯域溶融金属液位測定装置および熱システム Download PDFInfo
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- JP6600730B2 JP6600730B2 JP2018193069A JP2018193069A JP6600730B2 JP 6600730 B2 JP6600730 B2 JP 6600730B2 JP 2018193069 A JP2018193069 A JP 2018193069A JP 2018193069 A JP2018193069 A JP 2018193069A JP 6600730 B2 JP6600730 B2 JP 6600730B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/2845—Electromagnetic waves for discrete levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
- B22D2/003—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the level of the molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
- B22D11/186—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using electric, magnetic, sonic or ultrasonic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/20—Controlling or regulating processes or operations for removing cast stock
- B22D11/201—Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
- G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/261—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
10:溶融金属液位測定装置
11:ボビン
12:液位計測部
121:第1コイル
123:第2コイル
13:内側シリンダー
14:保護管
141:通孔
15:熱電対
151:固定端
153:測定端
16:制御部
161:液位出力モジュール
163:温度補償モジュール
17:連結部17
18:フランジ部
181:貫通孔
9:カバー
Claims (21)
- 温度補償を用いた連続式溶融金属液位測定装置において、
円筒形状のボビンと、
前記ボビンの外面を螺旋状に環繞する液位計測部と、
内部に前記ボビンと前記液位計測部が位置し、前記ボビンと前記液位計測部を外部から密閉し、前記ボビンと同じ軸方向を有する円筒形状の内側シリンダーと、
内部に前記内側シリンダーが位置し、前記ボビンと同じ軸方向を有して一端が開放された円筒形状の保護管と、
前記内側シリンダーの外側と前記保護管の内側によって形成される空間に前記軸方向に伸長して配置された複数の熱電対、および
前記液位計測部を制御して溶融金属の液位を測定し、前記複数の熱電対によって測定された各々の温度に基づいて、前記液位計測部を介して測定された前記溶融金属の液位の補正値を出力する制御部、とを含む溶融金属液位測定装置。 - 前記内側シリンダーと前記保護管を接続するための連結部をさらに含む、請求項1に記載の溶融金属液位測定装置。
- 前記保護管は、複数の通孔が形成された、請求項1に記載の溶融金属液位測定装置。
- 前記複数の通孔は、直径が4mm以上である、請求項3に記載の溶融金属液位測定装置。
- 前記保護管は、
前記保護管の一端から既設定された第1距離内の外周面に前記複数の通孔が形成された、請求項3に記載の溶融金属液位測定装置。 - 前記保護管の一端から前記既設定された第1距離よりも大きい既設定された第2距離に、前記保護管の内部の領域を第1領域及び第2領域に分離するように形成されたフランジ部をさらに含む、請求項5に記載の溶融金属液位測定装置。
- 前記第1領域が、
前記保護管の一端から前記既設定された第2距離内の前記保護管の内部であり、
前記フランジ部は、
前記第2領域を前記第1領域から密閉するように形成された、請求項6に記載の溶融金属液位測定装置。 - 前記既設定された第2距離が、
前記内側シリンダーの長さよりも長い、請求項6に記載の溶融金属液位測定装置。 - 前記ボビンが、Grade91系金属材料である、請求項1に記載の溶融金属液位測定装置。
- 前記液位計測部が、
前記制御部から交流電流が印加される第1コイル、および
前記交流電流に基づいて誘導電流を発生する第2コイルを含む、請求項1に記載の溶融金属液位測定装置。 - 前記第1及び第2コイルが、
それぞれが単一のコイルで形成され、前記ボビンの軸方向に交互に並んで環繞する、請求項10に記載の溶融金属液位測定装置。 - 前記内側シリンダーが、
電流および電磁場の透過が容易な材質で構成される、請求項1に記載の溶融金属液位測定装置。 - 前記熱電対は、
異なる長さに伸長した複数の熱電対が配置された、請求項1に記載の溶融金属液位測定装置。 - 前記熱電対が、
前記フランジ部と接続した固定端、および
前記フランジ部から伸長する測定端を含む、請求項6に記載の溶融金属液位測定装置。 - 前記測定端は、
前記フランジ部から伸長する長さが調節される、請求項14に記載の溶融金属液位測定装置。 - 前記熱電対は、
前記測定端が外部から遮断された密閉型の熱電対である、請求項14に記載の溶融金属液位測定装置。 - 前記連結部が、
前記複数の熱電対の間に形成された、請求項2に記載の溶融金属液位測定装置。 - 前記制御部が、
前記複数の熱電対のうちの少なくとも一つで測定された前記溶融金属の温度情報に基づいて前記溶融金属の補正された液位を算出する、請求項1に記載の溶融金属液位測定装置。 - 前記制御部が、
前記複数の熱電対で測定された前記溶融金属の温度情報を連続的に収集し、前記溶融金属の補正された液位を算出する、請求項1に記載の溶融金属液位測定装置。 - 前記フランジ部は、
複数の貫通孔が形成された、請求項6に記載の溶融金属液位測定装置。 - 請求項1〜請求項20のいずれか一項に記載の溶融金属液位測定装置を挿入して作動流体の液位を測定する熱システム。
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KR1020170134743A KR101892732B1 (ko) | 2017-10-17 | 2017-10-17 | 다접점 온도센서를 이용한 광대역 용융금속 액위 측정 장치 및 열 시스템 |
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RU199410U1 (ru) * | 2020-05-27 | 2020-08-31 | Евгений Николаевич Коптяев | Датчик уровня жидкости с наполнителем |
Families Citing this family (7)
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KR20210102464A (ko) * | 2019-01-08 | 2021-08-19 | 웨스팅하우스 일렉트릭 컴퍼니 엘엘씨 | 온도 종속적 중성자 포획 단면을 갖는 재료를 이용하는 온도 측정 센서 |
CN110174159A (zh) * | 2019-06-13 | 2019-08-27 | 中国原子能科学研究院 | 一种高温液态金属探测*** |
CN110174160A (zh) * | 2019-06-13 | 2019-08-27 | 中国原子能科学研究院 | 一种高温液态金属探针 |
CN111347014A (zh) * | 2020-03-27 | 2020-06-30 | 上海航天精密机械研究所 | 一种基于砂型反重力铸造阶梯构件的测温热电偶定位方法 |
KR102238262B1 (ko) | 2020-05-25 | 2021-04-12 | 임알수 | 유체 저장 탱크 통합 관리 장치 및 방법 |
KR102261561B1 (ko) | 2020-05-25 | 2021-06-07 | 임알수 | 유체 저장 탱크 통합 관리 장치 및 방법 |
KR102503801B1 (ko) | 2021-03-09 | 2023-02-24 | 한국원자력연구원 | 주파수 제어를 통한 온도 보상 방법 및 이를 이용한 상호유도전류형 액위계 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204460A (en) * | 1962-08-13 | 1965-09-07 | United States Steel Corp | System for indicating the liquid level in a continuous-casting mold or the like |
US3364745A (en) * | 1966-02-16 | 1968-01-23 | Gen Dynamics Corp | Apparatus and method of measuring molten metal temperature |
US3463005A (en) * | 1966-07-12 | 1969-08-26 | Leeds & Northrup Co | Immersion molten metal sampler device |
US3763921A (en) * | 1971-03-24 | 1973-10-09 | Dow Chemical Co | Direct chill casting method |
US3905243A (en) * | 1973-09-11 | 1975-09-16 | Us Energy | Liquid-level sensing device |
US4320656A (en) * | 1980-07-28 | 1982-03-23 | United States Steel Corporation | Thermocouple apparatus for indicating liquid level in a container |
US4919543A (en) * | 1988-06-20 | 1990-04-24 | Reynolds Metals Company | Molten metal temperature probe |
JP2694847B2 (ja) * | 1988-12-27 | 1997-12-24 | 不二サッシ株式会社 | アルミニウム溶解炉での溶湯温度測定方法 |
US5020585A (en) * | 1989-03-20 | 1991-06-04 | Inland Steel Company | Break-out detection in continuous casting |
US5196048A (en) * | 1992-01-30 | 1993-03-23 | Teledyne Industries, Inc. | Process for preparing a vanadium-nickel-chromium master alloy |
US5423522A (en) * | 1992-06-12 | 1995-06-13 | Ajf, Inc. | Slag control shape release apparatus for molten metal vessels |
JPH0810923A (ja) * | 1994-06-24 | 1996-01-16 | Sumitomo Metal Ind Ltd | 溶湯レベル測定装置 |
FR2727985B1 (fr) * | 1994-12-09 | 1997-01-24 | Pechiney Aluminium | Procede et dispositif de mesure de la temperature et du niveau du bain d'electrolyse fondu dans les cuves de production d'aluminium |
JPH0989628A (ja) * | 1995-09-27 | 1997-04-04 | Nippon Steel Corp | 高温流体用液面計 |
US5720553A (en) * | 1995-11-02 | 1998-02-24 | Midwest Instrument Co., Inc. | Apparatus and process for rapid direct dip analysis of molten iron |
JP3369926B2 (ja) * | 1997-09-16 | 2003-01-20 | 新日本製鐵株式会社 | 連続鋳造のオートスタート方法 |
EP1380674A3 (en) * | 1999-01-20 | 2005-06-15 | Canon Kabushiki Kaisha | Apparatus and process for producing single crystal |
EP1677083A1 (fr) | 2004-12-22 | 2006-07-05 | Roxer Industries S.A. | Capteur de niveau d'un liquide. |
DE102008060032A1 (de) * | 2008-07-31 | 2010-02-04 | Sms Siemag Aktiengesellschaft | Gießspiegelmessung in einer Kokille durch ein faseroptisches Messverfahren |
KR101172376B1 (ko) * | 2010-06-11 | 2012-08-08 | 한국수력원자력 주식회사 | 외장 열전대를 이용한 용융금속 액위 측정 장치 |
JP5865614B2 (ja) * | 2011-06-27 | 2016-02-17 | 株式会社東芝 | 原子力発電所の水位温度検出装置 |
WO2015139045A1 (en) * | 2014-03-14 | 2015-09-17 | Berry Metal Company | Metal making lance with spring-loaded thermocouple or camera in lance tip |
-
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- 2017-10-17 KR KR1020170134743A patent/KR101892732B1/ko active IP Right Grant
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Publication number | Priority date | Publication date | Assignee | Title |
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RU199410U1 (ru) * | 2020-05-27 | 2020-08-31 | Евгений Николаевич Коптяев | Датчик уровня жидкости с наполнителем |
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JP2019074524A (ja) | 2019-05-16 |
US20190113378A1 (en) | 2019-04-18 |
US10473510B2 (en) | 2019-11-12 |
KR101892732B1 (ko) | 2018-08-28 |
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