KR950032651A - 용융된 금속상의 막의 두께를 불연속적으로 결정하는 장치 - Google Patents

용융된 금속상의 막의 두께를 불연속적으로 결정하는 장치 Download PDF

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Publication number
KR950032651A
KR950032651A KR1019950001399A KR19950001399A KR950032651A KR 950032651 A KR950032651 A KR 950032651A KR 1019950001399 A KR1019950001399 A KR 1019950001399A KR 19950001399 A KR19950001399 A KR 19950001399A KR 950032651 A KR950032651 A KR 950032651A
Authority
KR
South Korea
Prior art keywords
sensor
signal
film
distance
molten metal
Prior art date
Application number
KR1019950001399A
Other languages
English (en)
Korean (ko)
Inventor
죠아힘 뮐러
하르트무트 하우브리히
Original Assignee
줄리우스 에드문트
아메파 엔지니어링 게엠베하
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 줄리우스 에드문트, 아메파 엔지니어링 게엠베하 filed Critical 줄리우스 에드문트
Publication of KR950032651A publication Critical patent/KR950032651A/ko

Links

Classifications

    • 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
    • F27D21/02—Observation or illuminating devices
    • 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)
KR1019950001399A 1994-01-28 1995-01-26 용융된 금속상의 막의 두께를 불연속적으로 결정하는 장치 KR950032651A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4402463.0 1994-01-28
DE4402463A DE4402463C2 (de) 1994-01-28 1994-01-28 Vorrichtung zur diskontinuierlichen Erfassung der Dicke einer Schicht auf einer Metallschmelze

Publications (1)

Publication Number Publication Date
KR950032651A true KR950032651A (ko) 1995-12-22

Family

ID=6508854

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950001399A KR950032651A (ko) 1994-01-28 1995-01-26 용융된 금속상의 막의 두께를 불연속적으로 결정하는 장치

Country Status (7)

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

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
BE1010228A5 (fr) 1998-04-07
DE4402463A1 (de) 1995-08-03
GB2286051B (en) 1998-03-04
FR2715722B1 (fr) 1997-08-29
FR2715722A1 (fr) 1995-08-04
JPH07225105A (ja) 1995-08-22
CN1109584A (zh) 1995-10-04
GB2286051A (en) 1995-08-02
JP2854256B2 (ja) 1999-02-03
GB9426412D0 (en) 1995-03-01
DE4402463C2 (de) 1998-01-29

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WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid