AU517275B2 - Automatic molten metal surface level control system - Google Patents

Automatic molten metal surface level control system

Info

Publication number
AU517275B2
AU517275B2 AU41530/78A AU4153078A AU517275B2 AU 517275 B2 AU517275 B2 AU 517275B2 AU 41530/78 A AU41530/78 A AU 41530/78A AU 4153078 A AU4153078 A AU 4153078A AU 517275 B2 AU517275 B2 AU 517275B2
Authority
AU
Australia
Prior art keywords
control system
molten metal
metal surface
level control
surface 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
AU41530/78A
Other versions
AU4153078A (en
Inventor
Osugi Kozo
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.)
Furukawa Metals Co Ltd
Original Assignee
Furukawa Metals Co 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
Application filed by Furukawa Metals Co Ltd filed Critical Furukawa Metals Co Ltd
Priority claimed from KR7803556A external-priority patent/KR810002096B1/en
Priority claimed from KR7803615A external-priority patent/KR810002097B1/en
Publication of AU4153078A publication Critical patent/AU4153078A/en
Application granted granted Critical
Publication of AU517275B2 publication Critical patent/AU517275B2/en
Expired 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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • 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
    • 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
    • B22D11/187—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using X-rays or nuclear radiation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Toxicology (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Continuous Casting (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
AU41530/78A 1977-11-25 1978-11-13 Automatic molten metal surface level control system Expired AU517275B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JPJP52/14129 1977-11-25
JP14129277A JPS5473662A (en) 1977-11-25 1977-11-25 System for detecting level of poured molten metal
JPJP53/2476 1978-01-13
KR7803556A KR810002096B1 (en) 1977-11-25 1978-11-25 Molten metal suface level detection system
KR7803615A KR810002097B1 (en) 1977-11-25 1978-11-30 Automatic molten metal suface level control system for continuous casting machines

Publications (2)

Publication Number Publication Date
AU4153078A AU4153078A (en) 1979-05-31
AU517275B2 true AU517275B2 (en) 1981-07-16

Family

ID=27318219

Family Applications (2)

Application Number Title Priority Date Filing Date
AU41532/78A Expired AU517262B2 (en) 1977-11-25 1978-11-13 Molten metal surface level detection
AU41530/78A Expired AU517275B2 (en) 1977-11-25 1978-11-13 Automatic molten metal surface level control system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU41532/78A Expired AU517262B2 (en) 1977-11-25 1978-11-13 Molten metal surface level detection

Country Status (8)

Country Link
JP (1) JPS5473662A (en)
AU (2) AU517262B2 (en)
BE (2) BE872214A (en)
FR (1) FR2410259B1 (en)
GB (1) GB2010475B (en)
IT (1) IT1107599B (en)
SE (1) SE435586B (en)
ZA (2) ZA786618B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU572886B2 (en) * 1983-09-07 1988-05-19 Usx Engineers And Consultants, Inc. Liquid-level control
AU575259B2 (en) * 1985-09-02 1988-07-21 Nippon Steel Corporation Method for controlling early casting stage in continuous casting process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988627A (en) * 1982-11-15 1984-05-22 Fuji Electric Co Ltd Liquid level inspector for container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842894A (en) * 1973-01-17 1974-10-22 American Metal Climax Inc Automatic means for remote sweep-scanning of a liquid level and for controlling flow to maintain such level
US3838727A (en) * 1973-07-16 1974-10-01 I Levi Normalized optical input level control in continuous casting process and apparatus
FR2292539A1 (en) * 1974-11-27 1976-06-25 Poncet Pierre Continuous casting bath level control - dependent on the thermal radiation emitted from the nozzle and slag layer
JPS5220060A (en) * 1975-08-08 1977-02-15 Nippon Kokan Kk <Nkk> High-temperature meltage gauge
FR2361180A1 (en) * 1976-08-12 1978-03-10 Poncet Pierre IMPROVEMENTS TO LEVEL REGULATORS FOR CONTINUOUS CASTING SYSTEMS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU572886B2 (en) * 1983-09-07 1988-05-19 Usx Engineers And Consultants, Inc. Liquid-level control
AU575259B2 (en) * 1985-09-02 1988-07-21 Nippon Steel Corporation Method for controlling early casting stage in continuous casting process

Also Published As

Publication number Publication date
FR2410259B1 (en) 1985-12-06
FR2410259A1 (en) 1979-06-22
SE7811480L (en) 1979-05-26
JPH0127370B2 (en) 1989-05-29
BE872214A (en) 1979-03-16
IT1107599B (en) 1985-11-25
AU517262B2 (en) 1981-07-16
IT7852063A0 (en) 1978-11-24
JPS5473662A (en) 1979-06-13
SE435586B (en) 1984-10-08
AU4153278A (en) 1979-05-31
BE872273A (en) 1979-03-16
ZA786618B (en) 1979-11-28
AU4153078A (en) 1979-05-31
ZA786619B (en) 1979-12-27
GB2010475B (en) 1982-04-28
GB2010475A (en) 1979-06-27

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