GB2061492B - Method and apparatus for detecting level of molten metal in steel manufacturing - Google Patents

Method and apparatus for detecting level of molten metal in steel manufacturing

Info

Publication number
GB2061492B
GB2061492B GB8032006A GB8032006A GB2061492B GB 2061492 B GB2061492 B GB 2061492B GB 8032006 A GB8032006 A GB 8032006A GB 8032006 A GB8032006 A GB 8032006A GB 2061492 B GB2061492 B GB 2061492B
Authority
GB
United Kingdom
Prior art keywords
molten metal
steel manufacturing
detecting level
detecting
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
Application number
GB8032006A
Other versions
GB2061492A (en
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Publication of GB2061492A publication Critical patent/GB2061492A/en
Application granted granted Critical
Publication of GB2061492B publication Critical patent/GB2061492B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/185—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using optical means
    • 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
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • 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
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2928—Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Continuous Casting (AREA)
GB8032006A 1979-10-09 1980-10-03 Method and apparatus for detecting level of molten metal in steel manufacturing Expired GB2061492B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979139932U JPS5658522U (en) 1979-10-09 1979-10-09

Publications (2)

Publication Number Publication Date
GB2061492A GB2061492A (en) 1981-05-13
GB2061492B true GB2061492B (en) 1983-11-02

Family

ID=15257019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8032006A Expired GB2061492B (en) 1979-10-09 1980-10-03 Method and apparatus for detecting level of molten metal in steel manufacturing

Country Status (5)

Country Link
JP (1) JPS5658522U (en)
DE (1) DE3038183C2 (en)
ES (1) ES495737A0 (en)
GB (1) GB2061492B (en)
IT (1) IT1150967B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145301A1 (en) * 1981-11-14 1983-05-19 ESB Schweißbetrieb Burbach & Bender oHG, 5900 Siegen Method and apparatus for determining the quantity of molten metal in a treatment or transfer vessel
US4597048A (en) * 1983-09-07 1986-06-24 United States Steel Corporation Digital flow regulation of liquid-level control for a continuous casting mold
JP2007298445A (en) * 2006-05-01 2007-11-15 Olympus Corp Liquid level detector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1458181B2 (en) * 1964-12-11 1974-01-17 Pierre Lyon Poncet (Frankreich) Arrangement for the automatic adjustment of the bath level of a metal melt in a continuous casting mold
JPS51126302A (en) * 1975-04-26 1976-11-04 Sanyu Gijutsu Kenkyusho:Kk A method of controlling melt levels of iron etc. and an apparatus for it

Also Published As

Publication number Publication date
ES8107401A1 (en) 1981-10-01
DE3038183A1 (en) 1981-04-30
ES495737A0 (en) 1981-10-01
JPS5658522U (en) 1981-05-20
DE3038183C2 (en) 1984-04-26
IT1150967B (en) 1986-12-17
GB2061492A (en) 1981-05-13
IT8025245A0 (en) 1980-10-09

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Legal Events

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