GB2286051B - Apparatus for discontinuously determining the thickness of layers on a metal melt - Google Patents

Apparatus for discontinuously determining the thickness of layers on a metal melt

Info

Publication number
GB2286051B
GB2286051B GB9426412A GB9426412A GB2286051B GB 2286051 B GB2286051 B GB 2286051B GB 9426412 A GB9426412 A GB 9426412A GB 9426412 A GB9426412 A GB 9426412A GB 2286051 B GB2286051 B GB 2286051B
Authority
GB
United Kingdom
Prior art keywords
layers
thickness
metal melt
discontinuously
determining
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
GB9426412A
Other versions
GB9426412D0 (en
GB2286051A (en
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 GB9426412D0 publication Critical patent/GB9426412D0/en
Publication of GB2286051A publication Critical patent/GB2286051A/en
Application granted granted Critical
Publication of GB2286051B publication Critical patent/GB2286051B/en
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)
GB9426412A 1994-01-28 1994-12-30 Apparatus for discontinuously determining the thickness of layers on a metal melt Expired - Fee Related GB2286051B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4402463A DE4402463C2 (en) 1994-01-28 1994-01-28 Device for discontinuous detection of the thickness of a layer on a molten metal

Publications (3)

Publication Number Publication Date
GB9426412D0 GB9426412D0 (en) 1995-03-01
GB2286051A GB2286051A (en) 1995-08-02
GB2286051B true GB2286051B (en) 1998-03-04

Family

ID=6508854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9426412A Expired - Fee Related GB2286051B (en) 1994-01-28 1994-12-30 Apparatus for discontinuously determining the thickness of layers on a metal melt

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19836844C2 (en) * 1998-08-14 2001-07-05 Sms Demag Ag Method for determining the level of the bath of an electric arc furnace
DE10233052A1 (en) * 2002-07-19 2004-02-05 Giesecke & Devrient Gmbh Multiple document pull-off detection system for a document, especially banknote or check, processing system, whereby the documents are illuminated in their most sensitive areas and the transmitted radiation measured
DE102006003950A1 (en) 2006-01-26 2007-08-30 Heraeus Electro-Nite International N.V. Device for determining an interface of a slag layer
JP5065614B2 (en) * 2006-04-14 2012-11-07 株式会社アルバック Eddy current film thickness meter
US8482295B2 (en) * 2009-02-23 2013-07-09 Hatch Ltd. Electromagnetic bath level measurement for pyrometallurgical furnaces
CN101666614B (en) * 2009-10-20 2011-08-10 北京科技大学 Device and method for measuring thickness of molten slag layer of mold flux of continuous casting crystallizer
US9057146B2 (en) * 2010-08-24 2015-06-16 Varian Semiconductor Equipment Associates, Inc. Eddy current thickness measurement apparatus
CN107401996B (en) * 2017-09-25 2023-10-20 江苏省水利科学研究院 Silt detecting rod
CN107504892B (en) * 2017-10-13 2023-04-28 中国恩菲工程技术有限公司 Device and method for detecting thickness of submerged arc furnace slag layer
CN118149744B (en) * 2024-05-13 2024-07-19 山东华韵新材料有限公司 Metal sheet production thickness detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849694A (en) * 1986-10-27 1989-07-18 Nanometrics, Incorporated Thickness measurements of thin conductive films
US5001356A (en) * 1988-10-12 1991-03-19 Meisan Co., Ltd. Sheet thickness measuring apparatus
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

Family Cites Families (10)

* 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 (en) * 1984-03-02 1985-09-19 Nippon Kokan Kk <Nkk> Method for measuring thickness of molten slag
JPS61212702A (en) * 1985-03-18 1986-09-20 Nippon Kokan Kk <Nkk> Slag thickness measuring method
SE455820B (en) * 1985-12-09 1988-08-08 Geotronics Metaltech Ab DEVICE FOR DETECTING THE SLAUGHTER LEVEL IN A METAL BATH
SE463893B (en) * 1987-09-28 1991-02-04 Geotronics Ab DEVICE FOR DETECTING THE LEVEL OF A BATTERY SURFACE OF A SMALL METAL BATH
JPH0194201A (en) * 1987-10-06 1989-04-12 Sumitomo Metal Ind Ltd Method and apparatus for measuring thickness of molten slag
US4876888A (en) * 1988-11-17 1989-10-31 John Ricketts Thickness monitor for floated sludge
JPH02247539A (en) * 1989-03-20 1990-10-03 Nippon Steel Corp Method for measuring slag thickness on molten metal
FR2651876B1 (en) * 1989-09-13 1991-12-13 Siderurgie Fse Inst Rech PROCESS FOR CONTINUOUSLY DETERMINING THE THICKNESS OF LIQUID DAIRY ON THE SURFACE OF A BATH OF FUSED METAL IN A METALLURGICAL CONTAINER.
SE501472C2 (en) * 1993-02-03 1995-02-27 Stiftelsen Metallurg Forsk Ways of measuring the positions of surfaces between different layers in metallurgical processes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849694A (en) * 1986-10-27 1989-07-18 Nanometrics, Incorporated Thickness measurements of thin conductive films
US5001356A (en) * 1988-10-12 1991-03-19 Meisan Co., Ltd. Sheet thickness measuring apparatus
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

Also Published As

Publication number Publication date
GB9426412D0 (en) 1995-03-01
GB2286051A (en) 1995-08-02
FR2715722A1 (en) 1995-08-04
FR2715722B1 (en) 1997-08-29
BE1010228A5 (en) 1998-04-07
JPH07225105A (en) 1995-08-22
CN1109584A (en) 1995-10-04
DE4402463C2 (en) 1998-01-29
KR950032651A (en) 1995-12-22
DE4402463A1 (en) 1995-08-03
JP2854256B2 (en) 1999-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991230