AU517262B2 - Molten metal surface level detection - Google Patents

Molten metal surface level detection

Info

Publication number
AU517262B2
AU517262B2 AU41532/78A AU4153278A AU517262B2 AU 517262 B2 AU517262 B2 AU 517262B2 AU 41532/78 A AU41532/78 A AU 41532/78A AU 4153278 A AU4153278 A AU 4153278A AU 517262 B2 AU517262 B2 AU 517262B2
Authority
AU
Australia
Prior art keywords
molten metal
metal surface
level detection
surface level
detection
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
AU41532/78A
Other languages
English (en)
Other versions
AU4153278A (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/ko
Priority claimed from KR7803615A external-priority patent/KR810002097B1/ko
Publication of AU4153278A publication Critical patent/AU4153278A/en
Application granted granted Critical
Publication of AU517262B2 publication Critical patent/AU517262B2/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)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Toxicology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Continuous Casting (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
AU41532/78A 1977-11-25 1978-11-13 Molten metal surface level detection Expired AU517262B2 (en)

Applications Claiming Priority (4)

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
KR7803556A KR810002096B1 (ko) 1977-11-25 1978-11-25 금속용탕의 주탕액면 레벨 검지방식
KR7803615A KR810002097B1 (ko) 1977-11-25 1978-11-30 연속주조기에 있어서의 금속 주탕(注湯)액면의 자동제어방식

Publications (2)

Publication Number Publication Date
AU4153278A AU4153278A (en) 1979-05-31
AU517262B2 true AU517262B2 (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 After (1)

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

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988627A (ja) * 1982-11-15 1984-05-22 Fuji Electric Co Ltd 容器内の液面レベル検査装置
US4597048A (en) * 1983-09-07 1986-06-24 United States Steel Corporation Digital flow regulation of liquid-level control for a continuous casting mold
DE3679950D1 (de) * 1985-09-02 1991-08-01 Nippon Steel Corp Verfahren zum regeln des anfangsstadiums beim stranggiessen.

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 (fr) * 1974-11-27 1976-06-25 Poncet Pierre Perfectionnements au reglage du niveau dans les lingotieres de coulee continue
JPS5220060A (en) * 1975-08-08 1977-02-15 Nippon Kokan Kk <Nkk> High-temperature meltage gauge
FR2361180A1 (fr) * 1976-08-12 1978-03-10 Poncet Pierre Perfectionnements aux regulateurs de niveau pour installations de coulee continue

Also Published As

Publication number Publication date
GB2010475B (en) 1982-04-28
AU4153278A (en) 1979-05-31
BE872214A (fr) 1979-03-16
BE872273A (fr) 1979-03-16
JPH0127370B2 (enrdf_load_stackoverflow) 1989-05-29
SE7811480L (sv) 1979-05-26
SE435586B (sv) 1984-10-08
AU4153078A (en) 1979-05-31
FR2410259B1 (fr) 1985-12-06
IT7852063A0 (it) 1978-11-24
JPS5473662A (en) 1979-06-13
IT1107599B (it) 1985-11-25
GB2010475A (en) 1979-06-27
ZA786619B (en) 1979-12-27
FR2410259A1 (fr) 1979-06-22
AU517275B2 (en) 1981-07-16
ZA786618B (en) 1979-11-28

Similar Documents

Publication Publication Date Title
AU6209480A (en) Metal surface passivation
JPS5464539A (en) Surface coating
AU518427B2 (en) Desulphurising molten ferrous metal
AU514264B2 (en) Surface treating metals
GB2005015B (en) Method of detecting flaws on the surface of metal
JPS5475430A (en) Method of depositing metal on surface
AU502635B2 (en) Thermocouple molten metal level detector
EG13680A (en) Boitier pour cassettes de magnethophone
JPS5439052A (en) Bissphosphine metal complex
JPS54118330A (en) Detection of surface position of molten metal
JPS5462118A (en) Hard surface alloy
AU517262B2 (en) Molten metal surface level detection
AU506332B2 (en) Refining molten metal
AU2599677A (en) Molten metal detection
AU3411578A (en) Ferrous metals
AU529551B2 (en) Molten metal level sensor
AU514863B2 (en) Detecting level of molten metal
JPS5319135A (en) Electrode for detecting surface of molten metal
JPS53125866A (en) Discriminating method for surface profile
SU670812A2 (ru) Уровнемер дл жидких металлов
AU513110B2 (en) Ladle
SU599925A1 (ru) Сталеразливочный ковш
JPS5449937A (en) Metal surface protecting coatingglayer
JPS5467527A (en) Ladle
JPS5424225A (en) Detecting method of surface level of molten metal