SE435586B - Anordning for detektering av en metallsmeltas niva - Google Patents

Anordning for detektering av en metallsmeltas niva

Info

Publication number
SE435586B
SE435586B SE7811480A SE7811480A SE435586B SE 435586 B SE435586 B SE 435586B SE 7811480 A SE7811480 A SE 7811480A SE 7811480 A SE7811480 A SE 7811480A SE 435586 B SE435586 B SE 435586B
Authority
SE
Sweden
Prior art keywords
level
signal
memory
circuit
output
Prior art date
Application number
SE7811480A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811480L (sv
Inventor
K Osugi
Original Assignee
Furukawa Metals Co
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 filed Critical Furukawa Metals Co
Priority claimed from KR7803556A external-priority patent/KR810002096B1/ko
Priority claimed from KR7803615A external-priority patent/KR810002097B1/ko
Publication of SE7811480L publication Critical patent/SE7811480L/xx
Publication of SE435586B publication Critical patent/SE435586B/sv

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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Automation & Control Theory (AREA)
  • General Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Continuous Casting (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
SE7811480A 1977-11-25 1978-11-07 Anordning for detektering av en metallsmeltas niva SE435586B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
SE7811480L SE7811480L (sv) 1979-05-26
SE435586B true SE435586B (sv) 1984-10-08

Family

ID=27318219

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811480A SE435586B (sv) 1977-11-25 1978-11-07 Anordning for detektering av en metallsmeltas niva

Country Status (8)

Country Link
JP (1) JPS5473662A (enrdf_load_stackoverflow)
AU (2) AU517275B2 (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) ZA786619B (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
EP0214797B1 (en) * 1985-09-02 1991-06-26 Nippon Steel Corporation Method for controlling early casting stage in continuous casting process

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
AU517275B2 (en) 1981-07-16
BE872214A (fr) 1979-03-16
GB2010475B (en) 1982-04-28
IT7852063A0 (it) 1978-11-24
FR2410259B1 (fr) 1985-12-06
AU4153078A (en) 1979-05-31
SE7811480L (sv) 1979-05-26
ZA786619B (en) 1979-12-27
GB2010475A (en) 1979-06-27
BE872273A (fr) 1979-03-16
JPH0127370B2 (enrdf_load_stackoverflow) 1989-05-29
FR2410259A1 (fr) 1979-06-22
JPS5473662A (en) 1979-06-13
AU4153278A (en) 1979-05-31
ZA786618B (en) 1979-11-28
AU517262B2 (en) 1981-07-16
IT1107599B (it) 1985-11-25

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