DE3038183C2 - Verfahren zum Erfassen des Niveaus einer freien Oberfläche einer Metallschmelze in einer Gießform sowie Vorrichtung zur Durchführung dieses Verfahrens - Google Patents

Verfahren zum Erfassen des Niveaus einer freien Oberfläche einer Metallschmelze in einer Gießform sowie Vorrichtung zur Durchführung dieses Verfahrens

Info

Publication number
DE3038183C2
DE3038183C2 DE3038183A DE3038183A DE3038183C2 DE 3038183 C2 DE3038183 C2 DE 3038183C2 DE 3038183 A DE3038183 A DE 3038183A DE 3038183 A DE3038183 A DE 3038183A DE 3038183 C2 DE3038183 C2 DE 3038183C2
Authority
DE
Germany
Prior art keywords
molten metal
free surface
signal
video camera
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
DE3038183A
Other languages
German (de)
English (en)
Other versions
DE3038183A1 (de
Inventor
Masaharu Akashi Hyogo Ochi
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 Motors Ltd
Original Assignee
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 Jukogyo KK filed Critical Kawasaki Jukogyo KK
Publication of DE3038183A1 publication Critical patent/DE3038183A1/de
Application granted granted Critical
Publication of DE3038183C2 publication Critical patent/DE3038183C2/de
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)
DE3038183A 1979-10-09 1980-10-09 Verfahren zum Erfassen des Niveaus einer freien Oberfläche einer Metallschmelze in einer Gießform sowie Vorrichtung zur Durchführung dieses Verfahrens Expired DE3038183C2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE3038183A1 DE3038183A1 (de) 1981-04-30
DE3038183C2 true DE3038183C2 (de) 1984-04-26

Family

ID=15257019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3038183A Expired DE3038183C2 (de) 1979-10-09 1980-10-09 Verfahren zum Erfassen des Niveaus einer freien Oberfläche einer Metallschmelze in einer Gießform sowie Vorrichtung zur Durchführung dieses Verfahrens

Country Status (5)

Country Link
JP (1) JPS5658522U (enExample)
DE (1) DE3038183C2 (enExample)
ES (1) ES8107401A1 (enExample)
GB (1) GB2061492B (enExample)
IT (1) IT1150967B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145301A1 (de) * 1981-11-14 1983-05-19 ESB Schweißbetrieb Burbach & Bender oHG, 5900 Siegen "verfahren und vorrichtung zur bestimmung der menge der schmelze in einem behandlungs- oder transportgefaess"

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (ja) * 2006-05-01 2007-11-15 Olympus Corp 液面検知装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1458181B2 (de) * 1964-12-11 1974-01-17 Pierre Lyon Poncet (Frankreich) Anordnung zum automatischen Einregeln des Badspiegels einer Metallschmelze in einer Stranggießkokille
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145301A1 (de) * 1981-11-14 1983-05-19 ESB Schweißbetrieb Burbach & Bender oHG, 5900 Siegen "verfahren und vorrichtung zur bestimmung der menge der schmelze in einem behandlungs- oder transportgefaess"

Also Published As

Publication number Publication date
JPS5658522U (enExample) 1981-05-20
IT8025245A0 (it) 1980-10-09
GB2061492A (en) 1981-05-13
IT1150967B (it) 1986-12-17
ES495737A0 (es) 1981-10-01
DE3038183A1 (de) 1981-04-30
ES8107401A1 (es) 1981-10-01
GB2061492B (en) 1983-11-02

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation