DE69127575T2 - Verfahren und Gerät zur Schlackenniveaumessung in einem Ofen - Google Patents

Verfahren und Gerät zur Schlackenniveaumessung in einem Ofen

Info

Publication number
DE69127575T2
DE69127575T2 DE69127575T DE69127575T DE69127575T2 DE 69127575 T2 DE69127575 T2 DE 69127575T2 DE 69127575 T DE69127575 T DE 69127575T DE 69127575 T DE69127575 T DE 69127575T DE 69127575 T2 DE69127575 T2 DE 69127575T2
Authority
DE
Germany
Prior art keywords
oven
slag level
measuring slag
measuring
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
Application number
DE69127575T
Other languages
English (en)
Other versions
DE69127575D1 (de
Inventor
Akio Nagamune
Kouichi Tezuka
Isamu Komine
Shinji Kuriyama
Masaki Komatani
Akihiko Inoue
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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
Priority claimed from JP2081312A external-priority patent/JPH0760181B2/ja
Priority claimed from JP2081314A external-priority patent/JPH0826387B2/ja
Priority claimed from JP2081313A external-priority patent/JPH0826386B2/ja
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Application granted granted Critical
Publication of DE69127575D1 publication Critical patent/DE69127575D1/de
Publication of DE69127575T2 publication Critical patent/DE69127575T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4673—Measuring and sampling devices
    • 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/325—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of coded signals, e.g. P.S.K. signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
DE69127575T 1990-03-30 1991-03-26 Verfahren und Gerät zur Schlackenniveaumessung in einem Ofen Expired - Fee Related DE69127575T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2081312A JPH0760181B2 (ja) 1990-03-30 1990-03-30 距離計測装置
JP2081314A JPH0826387B2 (ja) 1990-03-30 1990-03-30 転炉内のスラグレベル計測方法及び装置
JP2081313A JPH0826386B2 (ja) 1990-03-30 1990-03-30 炉内のスラグレベル計測装置

Publications (2)

Publication Number Publication Date
DE69127575D1 DE69127575D1 (de) 1997-10-16
DE69127575T2 true DE69127575T2 (de) 1998-04-16

Family

ID=27303555

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127575T Expired - Fee Related DE69127575T2 (de) 1990-03-30 1991-03-26 Verfahren und Gerät zur Schlackenniveaumessung in einem Ofen

Country Status (8)

Country Link
US (1) US5182565A (de)
EP (1) EP0451987B1 (de)
KR (1) KR910017175A (de)
CN (1) CN1055391A (de)
AU (1) AU7375191A (de)
BR (1) BR9101251A (de)
CA (1) CA2038823A1 (de)
DE (1) DE69127575T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233352A (en) * 1992-05-08 1993-08-03 Cournane Thomas C Level measurement using autocorrelation
US5406842A (en) * 1993-10-07 1995-04-18 Motorola, Inc. Method and apparatus for material level measurement using stepped frequency microwave signals
US5440310A (en) * 1994-02-14 1995-08-08 Motorola, Inc. Bandwidth synthesized radar level measurement method and apparatus
US5614831A (en) * 1995-02-13 1997-03-25 Saab Marine Electronics Ab Method and apparatus for level gauging using radar in floating roof tanks
DE19810601A1 (de) * 1998-03-12 1999-09-16 Daimler Benz Aerospace Ag Anordnung zur Füllstandsmessung
EP0955527B1 (de) * 1998-05-05 2007-06-27 Endress + Hauser GmbH + Co. KG Mit Mikrowellen arbeitendes Füllstandsmessgerät
US6166681A (en) 1998-08-18 2000-12-26 Usx Corporation Measuring the thickness of materials
US6130637A (en) * 1998-08-18 2000-10-10 Usx Corporation Measuring the thickness of hot slag in steelmaking
WO2005062846A2 (en) * 2003-12-23 2005-07-14 Uec Technologies Llc Tundish control
DE102005057094B4 (de) * 2005-11-30 2013-02-14 Vega Grieshaber Kg Füllstandradar mit variabler Sendeleistung
DE102006003950A1 (de) 2006-01-26 2007-08-30 Heraeus Electro-Nite International N.V. Vorrichtung zum Bestimmen einer Grenzfläche einer Schlackeschicht
US8482295B2 (en) 2009-02-23 2013-07-09 Hatch Ltd. Electromagnetic bath level measurement for pyrometallurgical furnaces
KR20120137351A (ko) * 2010-02-26 2012-12-20 테노바 굿펠로우 인코퍼레이티드 노 슬로핑 예측 및 랜스 최적화를 위한 시스템
AT509736B1 (de) * 2010-05-14 2012-03-15 Inteco Special Melting Technologies Gmbh Verfahren und vorrichtung zur kontinuierlichen erfassung des schlackenniveaus in esu-anlagen mit kurzen gleitkokillen
ES2396192T3 (es) * 2010-06-01 2013-02-19 Dango & Dienenthal Maschinenbau Gmbh Procedimiento y dispositivo para la medición de la longitud de un electrodo
JP5653432B2 (ja) * 2010-07-12 2015-01-14 株式会社ニレコ 距離測定装置及び距離測定方法
TWI415946B (zh) * 2010-08-24 2013-11-21 China Steel Corp 高爐排渣流量估測系統與估測方法
DE102011082367A1 (de) * 2011-09-08 2013-03-14 Endress + Hauser Gmbh + Co. Kg Verfahren zur Füllstandsmessung nach dem Laufzeitprinzip
WO2013164214A1 (de) * 2012-05-04 2013-11-07 Siemens Vai Metals Technologies Gmbh Kontaktlose positionsmessung einer beweglichen lanze bei der konverterstahlerzeugung
DE102012211714A1 (de) * 2012-07-05 2014-05-22 Siemens Vai Metals Technologies Gmbh Verfahren und Vorrichtung zur Detektion des Schlackepegels in einem metallurgischen Gefäß
DE102015120736B4 (de) * 2015-11-30 2022-07-14 Endress+Hauser SE+Co. KG Verfahren und Füllstandsmessgerät zur Bestimmung des Füllstands eines in einem Behälter befindlichen Füllgutes
JP6822388B2 (ja) * 2017-12-12 2021-01-27 日本製鉄株式会社 レベル計測装置
WO2020129887A1 (ja) * 2018-12-17 2020-06-25 日本製鉄株式会社 炉内残留スラグ量の推定方法および推定装置
CN111256779B (zh) * 2020-01-19 2022-02-11 太原理工大学 基于热辐射理论的熔融炉熔融物界面位置检测系统及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701518A (en) * 1969-10-03 1972-10-31 Berry Metal Co Oxygen lance control arrangement for basic oxygen furnace
US3727897A (en) * 1971-02-17 1973-04-17 Avco Corp Lance with distance measuring sub-system
FR2286390A1 (fr) * 1974-09-27 1976-04-23 Snecma Procede et dispositif de correlation utilisables dans un radar a effet doppler
LU74321A1 (de) * 1976-02-09 1976-08-13
JPS53118161A (en) * 1977-03-25 1978-10-16 Sumitomo Metal Ind Measuring method of slug forming by micro wave level meter
US4442513A (en) * 1982-02-05 1984-04-10 The Bendix Corporation Sonar transceiver system and method
CA1260557A (en) * 1984-03-30 1989-09-26 Merlin D. Bjorke Pulse synchronizing apparatus
US4933916A (en) * 1985-11-01 1990-06-12 Canadian Patents And Development Limited Phase measurements using pseudo-random code
NL8602195A (nl) * 1986-08-29 1988-03-16 Hoogovens Groep Bv Oxystaalfabriek.
US4821215A (en) * 1986-10-03 1989-04-11 Canadian Corporate Management Company Limited Monitoring equipment for adverse environments
JPS63161111A (ja) * 1986-12-24 1988-07-04 Nkk Corp 転炉内のスラグレベル検出方法
NL8700371A (nl) * 1987-02-16 1988-09-16 Hoogovens Groep Bv Sub-lansinrichting voor het doen van metingen en/of het nemen van monsters in een metallurgische oven.
US4758839A (en) * 1987-07-22 1988-07-19 Mcdonnell Douglas Corporation Terrain profile radar system

Also Published As

Publication number Publication date
CA2038823A1 (en) 1991-10-01
EP0451987B1 (de) 1997-09-10
US5182565A (en) 1993-01-26
BR9101251A (pt) 1991-11-05
KR910017175A (ko) 1991-11-05
CN1055391A (zh) 1991-10-16
AU7375191A (en) 1991-10-03
DE69127575D1 (de) 1997-10-16
EP0451987A3 (en) 1992-12-02
EP0451987A2 (de) 1991-10-16

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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