SE8500053D0 - Nivametning med radioaktiv kella - Google Patents

Nivametning med radioaktiv kella

Info

Publication number
SE8500053D0
SE8500053D0 SE8500053A SE8500053A SE8500053D0 SE 8500053 D0 SE8500053 D0 SE 8500053D0 SE 8500053 A SE8500053 A SE 8500053A SE 8500053 A SE8500053 A SE 8500053A SE 8500053 D0 SE8500053 D0 SE 8500053D0
Authority
SE
Sweden
Prior art keywords
mold
radiation
stirrer
casting
detector
Prior art date
Application number
SE8500053A
Other languages
English (en)
Other versions
SE8500053L (sv
SE454146B (sv
Inventor
J-E Eriksson
I Thorn-Andersen
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Priority to SE8500053A priority Critical patent/SE454146B/sv
Publication of SE8500053D0 publication Critical patent/SE8500053D0/sv
Priority to US06/804,688 priority patent/US4739819A/en
Priority to DE8686100001T priority patent/DE3680676D1/de
Priority to EP86100001A priority patent/EP0187635B1/en
Priority to JP61000485A priority patent/JPS61162255A/ja
Publication of SE8500053L publication Critical patent/SE8500053L/sv
Publication of SE454146B publication Critical patent/SE454146B/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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
    • G01F23/284Electromagnetic waves
    • G01F23/288X-rays; Gamma rays or other forms of ionising radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16Controlling or regulating processes or operations
    • B22D11/20Controlling or regulating processes or operations for removing cast stock
    • B22D11/201Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level
    • B22D11/206Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level by using X-rays or nuclear radiation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Continuous Casting (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
SE8500053A 1985-01-07 1985-01-07 Anordning for nivametning vid kokiller for kontinuerlig gjutning SE454146B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8500053A SE454146B (sv) 1985-01-07 1985-01-07 Anordning for nivametning vid kokiller for kontinuerlig gjutning
US06/804,688 US4739819A (en) 1985-01-07 1985-12-04 Level measurement using a radiation source
DE8686100001T DE3680676D1 (de) 1985-01-07 1986-01-02 Vorrichtung zur messung des pegels in stranggiesskokillen.
EP86100001A EP0187635B1 (en) 1985-01-07 1986-01-02 Device for level measurement in moulds for continuous casting
JP61000485A JPS61162255A (ja) 1985-01-07 1986-01-06 鋳型内のレベル測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8500053A SE454146B (sv) 1985-01-07 1985-01-07 Anordning for nivametning vid kokiller for kontinuerlig gjutning

Publications (3)

Publication Number Publication Date
SE8500053D0 true SE8500053D0 (sv) 1985-01-07
SE8500053L SE8500053L (sv) 1986-07-08
SE454146B SE454146B (sv) 1988-04-11

Family

ID=20358689

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8500053A SE454146B (sv) 1985-01-07 1985-01-07 Anordning for nivametning vid kokiller for kontinuerlig gjutning

Country Status (5)

Country Link
US (1) US4739819A (sv)
EP (1) EP0187635B1 (sv)
JP (1) JPS61162255A (sv)
DE (1) DE3680676D1 (sv)
SE (1) SE454146B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029951A1 (de) * 1990-09-21 1992-03-26 Weber Maschinenbau Gmbh Pruef Messverfahren zur bestimmung von hoehe oder abstand spiegelnder und bewegter metallischer oberflaechen hoher temperatur
IT1248137B (it) * 1991-03-05 1995-01-05 Danieli Off Mecc Lingottiera con funzioni multiple
US5564487A (en) * 1993-12-17 1996-10-15 Ronan Engineering Company Continuous casting mold having radiation source for level measurement
US6198103B1 (en) 1998-03-30 2001-03-06 Ohmart/Vega Corporation Nuclear level sensing gauge using scintillating fiber bundle
US20060138330A1 (en) * 2003-03-28 2006-06-29 Ronan Engineering Company Flexible liquid-filled ionizing radiation scintillator used as a product level detector
US8061239B2 (en) * 2006-07-26 2011-11-22 Channellock, Inc. Rescue tool
US20110168899A1 (en) * 2010-01-13 2011-07-14 Andrew Cheshire Detector assemblies and systems having modular housing configuration
US8426827B2 (en) 2010-02-10 2013-04-23 Vega Grieshaber Kg Automatic gain stabilization and temperature compensation for organic and/or plastic scintillation devices
US9921172B2 (en) 2013-03-13 2018-03-20 Vega Americas, Inc. Segmented fiber nuclear level gauge
US10365381B1 (en) 2016-01-22 2019-07-30 Vega Americas, Inc. Flexible nuclear level sensing gauge
AU2017209447B2 (en) 2016-01-22 2022-02-03 Vega Americas, Inc. Flexible nuclear level sensing gauge
EP4296632A1 (en) * 2022-06-21 2023-12-27 Yara International ASA Arrangement for nuclear level measurement device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674695A (en) * 1950-07-27 1954-04-06 Sun Oil Co Determination of level of a body of material in a vessel
US2743492A (en) * 1953-04-20 1956-05-01 Allegheny Ludlum Steel Apparatus for controlling the flow of molten metal
FR1444645A (fr) * 1965-08-23 1966-07-01 Schloemann Ag Dispositif pour la mesure du niveau de remplissage d'une masse fluide dans des récipients métalliques
FR2502996A1 (fr) * 1981-04-03 1982-10-08 Rotelec Sa Inducteur electromagnetique a champ tournant et equipement de lingotiere de coulee continue des metaux pour son utilisation
JPS58205666A (ja) * 1982-05-26 1983-11-30 Sumitomo Metal Ind Ltd 連続鋳造モ−ルドの溶鋼レベル測定装置

Also Published As

Publication number Publication date
SE8500053L (sv) 1986-07-08
SE454146B (sv) 1988-04-11
EP0187635A2 (en) 1986-07-16
EP0187635A3 (en) 1987-08-26
JPS61162255A (ja) 1986-07-22
DE3680676D1 (de) 1991-09-12
EP0187635B1 (en) 1991-08-07
US4739819A (en) 1988-04-26

Similar Documents

Publication Publication Date Title
SE8500053L (sv) Nivametning med radioaktiv kella
DE68907276D1 (de) Stuetzvorrichtung einer strahlungsabschirmung in einem magnetresonanz-magneten.
DE3573659D1 (en) Nuclear magnetic resonance apparatus with surface coil detection
DE3566454D1 (en) Nuclear magnetic resonance apparatus with a permanent magnet
IT8722680A0 (it) Dispositivo per misurare un campo magnetico con flusso debole.
FR2540630B1 (fr) Sonde multibobines a courants de foucault munie d'un dispositif d'equilibrage des bobines
FI844001L (sv) På en kärnmagnetisk resonans baserad anordning
GB2173598B (en) Nuclear magnetic resonance imaging device
FR2589571B1 (fr) Debitmetre electromagnetique a champ magnetique pulse
GB2122752B (en) Eddy current thickness gauge with constant magnetic bias
SE7714536L (sv) Sett och anordning for bestemning av gadoliniuminnehallet i brensleelement
DE3568488D1 (en) Nuclear magnetic resonance apparatus with a magnet of permanent magnetic material
DE69131708D1 (de) Kernspinresonanzapparat mit einem supraleitenden Abschirmmagneten
DE3672012D1 (de) Induktionsvorrichtung mit einem magnetischen kern mit luftspalt.
IL74942A (en) Flow measurement using nuclear magnetic resonance
GB2078972B (en) Nuclear magnetic resonance detection device
FR2552883B1 (fr) Dispositif pour mesurer le gradient d'un champ magnetique par effet magneto-optique
JPS57203913A (en) Rotation detector
GB2127155B (en) Flow determination by nuclear magnetic resonance
BE872785A (fr) Dispositif electromagnetique d'inspection par courants de foucault
NO824096L (no) Magnetisk kjerne for elektrisk induksjonsapparat
AR229822A1 (es) Medidor a induccion que incluye secciones magneticas de tension y de intensidad
SU744699A1 (ru) Устройство дл контрол положени рабочих органов механизмов
JPS55147373A (en) Edge detector
JPS5636076A (en) Method and device for nuclear magnetic resonance discrimination

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8500053-7

Effective date: 19930810

Format of ref document f/p: F