DE3771672D1 - Methode und vorrichtung zur ueberwachung eines fluessigkeitsniveaus. - Google Patents
Methode und vorrichtung zur ueberwachung eines fluessigkeitsniveaus.Info
- Publication number
- DE3771672D1 DE3771672D1 DE8787307120T DE3771672T DE3771672D1 DE 3771672 D1 DE3771672 D1 DE 3771672D1 DE 8787307120 T DE8787307120 T DE 8787307120T DE 3771672 T DE3771672 T DE 3771672T DE 3771672 D1 DE3771672 D1 DE 3771672D1
- Authority
- DE
- Germany
- Prior art keywords
- monitoring
- liquid level
- liquid
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000012544 monitoring process Methods 0.000 title 1
Classifications
-
- 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
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
-
- 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
- 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
- G01F23/245—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 with a probe moved by an auxiliary power, e.g. meter, to follow automatically the level
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/921,715 US4728875A (en) | 1986-10-20 | 1986-10-20 | Method and apparatus for monitoring a liquid level |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3771672D1 true DE3771672D1 (de) | 1991-08-29 |
Family
ID=25445863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787307120T Expired - Fee Related DE3771672D1 (de) | 1986-10-20 | 1987-08-12 | Methode und vorrichtung zur ueberwachung eines fluessigkeitsniveaus. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4728875A (de) |
EP (1) | EP0270204B1 (de) |
JP (1) | JPS63111424A (de) |
KR (1) | KR960006309B1 (de) |
CA (1) | CA1313058C (de) |
DE (1) | DE3771672D1 (de) |
ES (1) | ES2025167B3 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02205234A (ja) * | 1989-02-02 | 1990-08-15 | Nippon Kinzoku Kogyo Kk | 薄肉鋳片連続鋳造における湯面レベル検出方法 |
FR2667003A1 (fr) * | 1990-09-21 | 1992-03-27 | Siderurgie Fse Inst Rech | Procede et dispositif de mesure en continu de l'epaisseur du laitier liquide. |
WO1994029823A1 (en) * | 1993-06-11 | 1994-12-22 | Midwest Instrument Co., Inc. | Apparatus and method for molten metal depth detection |
JP3107183B2 (ja) * | 1993-12-27 | 2000-11-06 | 株式会社ニレコ | 溶融金属の変位測定方法および装置 |
US5923102A (en) * | 1998-04-20 | 1999-07-13 | Avcheck Corporation | Automatic sub-floor pumping system |
DE202011051468U1 (de) * | 2011-09-28 | 2013-01-08 | Atb Umwelttechnologien Gmbh | Pegelmessgerät |
KR101603064B1 (ko) * | 2016-01-18 | 2016-03-14 | 이규한 | 일체형 워셔액용 모터펌프 |
JP2017194435A (ja) * | 2016-04-22 | 2017-10-26 | 株式会社ノーリツ | 液位検出装置 |
RU2619314C1 (ru) * | 2016-06-20 | 2017-05-15 | Андрей Николаевич Алексеев | Способ реализации датчика уровня |
JP6828670B2 (ja) * | 2017-12-12 | 2021-02-10 | 新東工業株式会社 | 溶解作業装置及び溶解作業方法 |
KR102016743B1 (ko) * | 2018-07-06 | 2019-09-02 | 신신전자공업 주식회사 | 정전용량 방식의 수위센서 |
CN109332672A (zh) * | 2018-12-14 | 2019-02-15 | 河北四通新型金属材料股份有限公司 | 一种电炉倾倒铝水自动控制系统 |
CN109822063A (zh) * | 2019-03-21 | 2019-05-31 | 中信戴卡股份有限公司 | 一种铝液液位检测装置和铝液注入系统及注入方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3181361A (en) * | 1962-09-21 | 1965-05-04 | Corning Glass Works | Liquid level measuring system |
FR1463902A (fr) * | 1965-10-05 | 1966-07-22 | Siderurgie Fse Inst Rech | Réglage d'un débit de métal liquide s'écoulant par un orifice |
JPS4898870A (de) * | 1972-03-30 | 1973-12-14 | ||
DE2321709C3 (de) * | 1973-04-28 | 1975-10-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Elektrische Strahlerlampe, insbesondere für den Einsatz als Fahrzeugscheinwerfer, und Verfahren zu ihrer Herstellung |
JPS5182660A (ja) * | 1975-01-17 | 1976-07-20 | Shinko Electric Co Ltd | Jidoyoyukyokyusochino yoyureberukenshutsusochi |
JPS552929A (en) * | 1978-06-22 | 1980-01-10 | Toshiba Corp | Liquid surface meter |
US4470446A (en) * | 1980-07-09 | 1984-09-11 | Kabushiki Kaisha Kobe Seiko Sho | Method and apparatus for detecting molten metal surface level in a mold |
DE3203175A1 (de) * | 1982-01-30 | 1983-08-18 | Steag Ag, 4300 Essen | Pegelstandserfassungsvorrichtung mit mindestens zwei in verschiedener hoehe angeordneten elektroden |
DE3323749A1 (de) * | 1983-07-01 | 1985-01-03 | Norddeutsche Affinerie AG, 2000 Hamburg | Verfahren zur regelung der badspiegelhoehe einer metallschmelze |
JPS6059513A (ja) * | 1983-09-12 | 1985-04-05 | Fujitsu Ltd | 薄膜磁気ヘッド |
JPS60188818A (ja) * | 1984-03-09 | 1985-09-26 | Showa Alum Corp | 金属溶湯のレベルセンサ |
US4600844A (en) * | 1984-06-07 | 1986-07-15 | The Marley-Wylain Company | Liquid level control apparatus |
-
1986
- 1986-10-20 US US06/921,715 patent/US4728875A/en not_active Expired - Fee Related
-
1987
- 1987-08-12 EP EP87307120A patent/EP0270204B1/de not_active Expired - Lifetime
- 1987-08-12 ES ES87307120T patent/ES2025167B3/es not_active Expired - Lifetime
- 1987-08-12 DE DE8787307120T patent/DE3771672D1/de not_active Expired - Fee Related
- 1987-08-19 CA CA000544905A patent/CA1313058C/en not_active Expired - Fee Related
- 1987-08-21 KR KR1019870009181A patent/KR960006309B1/ko not_active IP Right Cessation
- 1987-09-21 JP JP62237065A patent/JPS63111424A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4728875A (en) | 1988-03-01 |
KR960006309B1 (ko) | 1996-05-13 |
EP0270204B1 (de) | 1991-07-24 |
CA1313058C (en) | 1993-01-26 |
KR880005432A (ko) | 1988-06-29 |
JPS63111424A (ja) | 1988-05-16 |
EP0270204A1 (de) | 1988-06-08 |
ES2025167B3 (es) | 1992-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |