WO2005035168A1 - Dispositif de detection de laitier dans un courant metallique liquide - Google Patents
Dispositif de detection de laitier dans un courant metallique liquide Download PDFInfo
- Publication number
- WO2005035168A1 WO2005035168A1 PCT/CN2004/001053 CN2004001053W WO2005035168A1 WO 2005035168 A1 WO2005035168 A1 WO 2005035168A1 CN 2004001053 W CN2004001053 W CN 2004001053W WO 2005035168 A1 WO2005035168 A1 WO 2005035168A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coil
- sensor
- liquid metal
- layer
- insulating
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
-
- 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
- B22D2/001—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the slag appearance in a molten metal stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
-
- 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
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/9026—Arrangements for scanning by moving the material
-
- 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
- G01N33/20—Metals
- G01N33/205—Metals in liquid state, e.g. molten metals
Definitions
- sensors In order to ensure the purity of the liquid metal, sensors need to be installed in the liquid metal outflow of the smelting furnace or the bale to detect and control the slag content in the liquid metal injection stream.
- the sensor is a key component of the slag content detection device in liquid metal injection.
- An annular electromagnetic sensor is usually installed around the liquid metal jet. Due to the high temperature of the sensor installation site, the insulation between the coils is a key issue in the manufacture of electromagnetic sensors.
- the AMEPA company (DE 3722795) uses ceramic material fillers to achieve insulation between the coils.
- the amount of signal drift caused by temperature changes of the sensor itself is greater than the amount of signal drift caused by temperature changes of structural materials such as the reference plate, which directly affects the stability of the sensor.
- the method of adding electromagnetic shielding material especially the method of moving the reference coil out of the sensor box, places the reference line and the receiving coil in different environments. The purpose of relying on the reference coil and the additional frequency excitation current to offset the environmental interference received by the receiving coil is More difficult to achieve.
- the object of the present invention is to provide an electromagnetic type liquid metal injection slag content detection device that is sensitive, stable, reliable, and simple to manufacture.
- the outer side of the compensation coil of the present invention also has a fastening wire coil wound in a spiral groove wound on the insulation layer.
- FIGS 2A-2D show the structure and principle of the slag measuring sensor (22).
- the slag measuring sensor (22) is ring-shaped and has a metal casing (1).
- the metal casing (1) is provided with a receiving wire ⁇ (2), a transmitting coil (3) and a compensation wire ⁇ (4) in the inner cavity in order from the inner ring to the outer ring of the sensor.
- two layers of receiving coils are wound in a spiral groove of two layers of grooved insulating layer (5).
- a grooved insulating filling layer (6) is provided between the receiving coil (2) and the transmitting line ⁇ (3).
- four layers of transmitting coils (3) are wound in spiral grooves of the insulating filling layer (6) and the three insulating layers (7), respectively.
- a layer of compensation wire ⁇ (4) is wound in a spiral groove of an insulating layer (8).
- the insulating filling layer is composed of a grooved insulating filling block (12).
- the insulating sheet (11), (13) (14) and (15) and the insulating filling block (12) are along the axial direction of the ring sensor (22) Cumulatively shift a pitch, so that the grooves on the insulation layer (5), (7), (8), (10) and the filling layer (6) constitute a spiral groove capable of winding a coil.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Volume Flow (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0414523-2B1A BRPI0414523B1 (pt) | 2003-09-17 | 2004-09-16 | dispositivo para detectar conteédo de escària em fluxo de metal lÍquido. |
EP04762187.5A EP2366474B1 (en) | 2003-09-17 | 2004-09-16 | Device for detecting slag content in liquid metal stream |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN03156980.3 | 2003-09-17 | ||
CNB031569803A CN1272628C (zh) | 2003-09-17 | 2003-09-17 | 液态金属注流渣含量检测装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005035168A1 true WO2005035168A1 (fr) | 2005-04-21 |
Family
ID=34427780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2004/001053 WO2005035168A1 (fr) | 2003-09-17 | 2004-09-16 | Dispositif de detection de laitier dans un courant metallique liquide |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2366474B1 (zh) |
CN (1) | CN1272628C (zh) |
BR (1) | BRPI0414523B1 (zh) |
RU (1) | RU2356684C2 (zh) |
WO (1) | WO2005035168A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9426609B2 (en) * | 2014-01-24 | 2016-08-23 | Qualcomm Incorporated | Methods, apparatuses, and devices for processing positioning reference signals |
DE102015119548B4 (de) * | 2015-07-13 | 2022-06-23 | Sms Group Gmbh | Messeinrichtung |
EP3326735B1 (de) | 2016-11-29 | 2020-07-22 | Refractory Intellectual Property GmbH & Co. KG | Verfahren sowie eine einrichtung zum detektieren von grössen im ausguss eines metallurgischen gefässes |
PL3175939T3 (pl) * | 2015-12-01 | 2021-04-06 | Refractory Intellectual Property Gmbh & Co. Kg | Zamknięcie zasuwowe na wylewie naczynia metalurgicznego |
CN105628137B (zh) * | 2016-02-22 | 2020-01-24 | 中国原子能科学研究院 | 一种钠液位检测装置 |
RU2662850C2 (ru) * | 2016-03-09 | 2018-07-31 | Открытое акционерное общество ЕВРАЗ Нижнетагильский металлургический комбинат | Способ обнаружения шлака в потоке расплава металла |
CN105866847A (zh) * | 2016-04-05 | 2016-08-17 | 衡阳镭目科技有限责任公司 | 一种监测液态金属存在的装置 |
CN108607968B (zh) * | 2016-12-12 | 2020-10-23 | 上海梅山钢铁股份有限公司 | 一种基于下渣检测的连铸机中间包卷渣的预报方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3142681A1 (de) * | 1981-10-24 | 1983-05-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Wirbelstrommesseinrichtung fuer stranggiessanlagen |
FR2532208A1 (fr) * | 1982-08-24 | 1984-03-02 | Siderurgie Fse Inst Rech | Appareil de detection de l'apparition de laitier dans les jets de coulee |
US4602768A (en) * | 1983-08-18 | 1986-07-29 | Metacon Ag | Apparatus for determining the presence of a metallic melt in a passage channel of a metallurgical furnace or of a casting ladle |
US4810988A (en) * | 1988-06-20 | 1989-03-07 | Westinghouse Electric Corp. | Slag detector transducer coil assembly |
US4816758A (en) * | 1984-10-27 | 1989-03-28 | Amepa Angewandte Messtechnik Und Prozessautomatisierung Gmbh | Method and apparatus for the detection of slag co-flowing within a stream of molten metal |
CN1032504A (zh) * | 1987-07-10 | 1989-04-26 | 阿麦帕应用计量技术和程序自动化有限公司 | 探测金属熔体中一起流动的熔渣的装置 |
CN1349095A (zh) * | 2001-11-29 | 2002-05-15 | 浙江大学 | 钢包浇钢过程中获取熔渣流出信号的传感器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2722475A1 (de) * | 1976-05-20 | 1977-12-08 | Atomenergi Ab | Spulenanordnung fuer elektromagnetische messungen |
-
2003
- 2003-09-17 CN CNB031569803A patent/CN1272628C/zh not_active Expired - Lifetime
-
2004
- 2004-09-16 RU RU2006112605/02A patent/RU2356684C2/ru active
- 2004-09-16 BR BRPI0414523-2B1A patent/BRPI0414523B1/pt active IP Right Grant
- 2004-09-16 EP EP04762187.5A patent/EP2366474B1/en active Active
- 2004-09-16 WO PCT/CN2004/001053 patent/WO2005035168A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3142681A1 (de) * | 1981-10-24 | 1983-05-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Wirbelstrommesseinrichtung fuer stranggiessanlagen |
FR2532208A1 (fr) * | 1982-08-24 | 1984-03-02 | Siderurgie Fse Inst Rech | Appareil de detection de l'apparition de laitier dans les jets de coulee |
US4602768A (en) * | 1983-08-18 | 1986-07-29 | Metacon Ag | Apparatus for determining the presence of a metallic melt in a passage channel of a metallurgical furnace or of a casting ladle |
US4816758A (en) * | 1984-10-27 | 1989-03-28 | Amepa Angewandte Messtechnik Und Prozessautomatisierung Gmbh | Method and apparatus for the detection of slag co-flowing within a stream of molten metal |
CN1032504A (zh) * | 1987-07-10 | 1989-04-26 | 阿麦帕应用计量技术和程序自动化有限公司 | 探测金属熔体中一起流动的熔渣的装置 |
US4810988A (en) * | 1988-06-20 | 1989-03-07 | Westinghouse Electric Corp. | Slag detector transducer coil assembly |
CN1349095A (zh) * | 2001-11-29 | 2002-05-15 | 浙江大学 | 钢包浇钢过程中获取熔渣流出信号的传感器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2366474A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1598559A (zh) | 2005-03-23 |
EP2366474A1 (en) | 2011-09-21 |
EP2366474B1 (en) | 2013-05-22 |
EP2366474A4 (en) | 2011-09-21 |
CN1272628C (zh) | 2006-08-30 |
BRPI0414523A (pt) | 2006-11-07 |
BRPI0414523B1 (pt) | 2013-06-18 |
RU2006112605A (ru) | 2007-11-10 |
RU2356684C2 (ru) | 2009-05-27 |
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