FR2715722B1 - Dispositif pour la détermination intermitente de l'épaisseur de couches se trouvant sur du métal en fusion. - Google Patents

Dispositif pour la détermination intermitente de l'épaisseur de couches se trouvant sur du métal en fusion.

Info

Publication number
FR2715722B1
FR2715722B1 FR9500696A FR9500696A FR2715722B1 FR 2715722 B1 FR2715722 B1 FR 2715722B1 FR 9500696 A FR9500696 A FR 9500696A FR 9500696 A FR9500696 A FR 9500696A FR 2715722 B1 FR2715722 B1 FR 2715722B1
Authority
FR
France
Prior art keywords
layers
thickness
molten metal
intermittent determination
intermittent
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
Application number
FR9500696A
Other languages
English (en)
Other versions
FR2715722A1 (fr
Inventor
Joachim Dipl Ing Mueller
Hartmut Dipl Ing Haubrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AMEPA ENG GmbH
Original Assignee
AMEPA ENG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AMEPA ENG GmbH filed Critical AMEPA ENG GmbH
Publication of FR2715722A1 publication Critical patent/FR2715722A1/fr
Application granted granted Critical
Publication of FR2715722B1 publication Critical patent/FR2715722B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0028—Devices for monitoring the level of the melt
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
FR9500696A 1994-01-28 1995-01-23 Dispositif pour la détermination intermitente de l'épaisseur de couches se trouvant sur du métal en fusion. Expired - Fee Related FR2715722B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4402463A DE4402463C2 (de) 1994-01-28 1994-01-28 Vorrichtung zur diskontinuierlichen Erfassung der Dicke einer Schicht auf einer Metallschmelze

Publications (2)

Publication Number Publication Date
FR2715722A1 FR2715722A1 (fr) 1995-08-04
FR2715722B1 true FR2715722B1 (fr) 1997-08-29

Family

ID=6508854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9500696A Expired - Fee Related FR2715722B1 (fr) 1994-01-28 1995-01-23 Dispositif pour la détermination intermitente de l'épaisseur de couches se trouvant sur du métal en fusion.

Country Status (7)

Country Link
JP (1) JP2854256B2 (fr)
KR (1) KR950032651A (fr)
CN (1) CN1109584A (fr)
BE (1) BE1010228A5 (fr)
DE (1) DE4402463C2 (fr)
FR (1) FR2715722B1 (fr)
GB (1) GB2286051B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19836844C2 (de) * 1998-08-14 2001-07-05 Sms Demag Ag Verfahren zum Bestimmen der Höhe des Badspiegels eines Elektrolichtbogenofens
DE10233052A1 (de) * 2002-07-19 2004-02-05 Giesecke & Devrient Gmbh Erkennung von Mehrfachabzügen
DE102006003950A1 (de) 2006-01-26 2007-08-30 Heraeus Electro-Nite International N.V. Vorrichtung zum Bestimmen einer Grenzfläche einer Schlackeschicht
JP5065614B2 (ja) * 2006-04-14 2012-11-07 株式会社アルバック 渦電流式膜厚計
US8482295B2 (en) * 2009-02-23 2013-07-09 Hatch Ltd. Electromagnetic bath level measurement for pyrometallurgical furnaces
CN101666614B (zh) * 2009-10-20 2011-08-10 北京科技大学 一种连铸结晶器保护渣液渣层厚度的测量装置和方法
US9057146B2 (en) * 2010-08-24 2015-06-16 Varian Semiconductor Equipment Associates, Inc. Eddy current thickness measurement apparatus
CN107401996B (zh) * 2017-09-25 2023-10-20 江苏省水利科学研究院 淤泥检测杆
CN107504892B (zh) * 2017-10-13 2023-04-28 中国恩菲工程技术有限公司 矿热电炉渣层厚度检测装置及检测方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223552A (en) * 1979-03-21 1980-09-23 Emhart Industries, Inc. Apparatus and method for sensing a substance on a liquid surface
JPS60183503A (ja) * 1984-03-02 1985-09-19 Nippon Kokan Kk <Nkk> 溶鋼スラグの厚み測定方法
JPS61212702A (ja) * 1985-03-18 1986-09-20 Nippon Kokan Kk <Nkk> スラグの厚さ測定方法
SE455820B (sv) * 1985-12-09 1988-08-08 Geotronics Metaltech Ab Anordning for detektering av slaggnivan i ett metallbad
US4849694A (en) * 1986-10-27 1989-07-18 Nanometrics, Incorporated Thickness measurements of thin conductive films
SE463893B (sv) * 1987-09-28 1991-02-04 Geotronics Ab Anordning foer att detektera nivaan hos en slaggraensyta hos ett smaelt metallbad
JPH0194201A (ja) * 1987-10-06 1989-04-12 Sumitomo Metal Ind Ltd 溶融スラグ厚さの測定方法及び装置
JPH0648185B2 (ja) * 1988-10-12 1994-06-22 明産株式会社 シート厚さ測定装置
US4876888A (en) * 1988-11-17 1989-10-31 John Ricketts Thickness monitor for floated sludge
JPH02247539A (ja) * 1989-03-20 1990-10-03 Nippon Steel Corp 溶融金属上のスラグ厚測定方法
FR2651876B1 (fr) * 1989-09-13 1991-12-13 Siderurgie Fse Inst Rech Procede pour determiner en continu l'epaisseur du laitier liquide a la surface d'un bain de metal en fusion dans un recipient metallurgique.
US5062298A (en) * 1989-12-05 1991-11-05 E. I. Du Pont De Nemours And Company Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors
SE501472C2 (sv) * 1993-02-03 1995-02-27 Stiftelsen Metallurg Forsk Sätt att vid metallurgiska processer mäta positionerna av ytor mellan olika skikt

Also Published As

Publication number Publication date
GB9426412D0 (en) 1995-03-01
BE1010228A5 (fr) 1998-04-07
GB2286051B (en) 1998-03-04
DE4402463C2 (de) 1998-01-29
FR2715722A1 (fr) 1995-08-04
JPH07225105A (ja) 1995-08-22
JP2854256B2 (ja) 1999-02-03
GB2286051A (en) 1995-08-02
CN1109584A (zh) 1995-10-04
KR950032651A (ko) 1995-12-22
DE4402463A1 (de) 1995-08-03

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Legal Events

Date Code Title Description
ST Notification of lapse