GB2010475B - Molten metal surface level detection system - Google Patents

Molten metal surface level detection system

Info

Publication number: GB2010475B
Authority: GB; United Kingdom
Prior art keywords: detection system; molten metal; metal surface; level detection; surface level
Prior art date: 1977-11-25
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

GB7843718A

Other versions

GB2010475A (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.)

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.)

1977-11-25

Filing date

1978-11-08

Publication date

1982-04-28

1978-11-08 Application filed by Furukawa Metals Co Ltd filed Critical Furukawa Metals Co Ltd

1978-11-25 Priority claimed from KR7803556A external-priority patent/KR810002096B1/en

1978-11-30 Priority claimed from KR7803615A external-priority patent/KR810002097B1/en

1979-06-27 Publication of GB2010475A publication Critical patent/GB2010475A/en

1982-04-28 Application granted granted Critical

1982-04-28 Publication of GB2010475B publication Critical patent/GB2010475B/en

Status Expired legal-status Critical Current

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)
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)

GB7843718A 1977-11-25 1978-11-08 Molten metal surface level detection system Expired GB2010475B (en)

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 (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
GB2010475A GB2010475A (en)	1979-06-27
GB2010475B true GB2010475B (en)	1982-04-28

Family

ID=27318219

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7843718A Expired GB2010475B (en)	1977-11-25	1978-11-08	Molten metal surface level detection system

Country Status (8)

Country	Link
JP (1)	JPS5473662A (en)
AU (2)	AU517275B2 (en)
BE (2)	BE872214A (en)
FR (1)	FR2410259B1 (en)
GB (1)	GB2010475B (en)
IT (1)	IT1107599B (en)
SE (1)	SE435586B (en)
ZA (2)	ZA786619B (en)

Families Citing this family (3)

* 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
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 (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

1977
- 1977-11-25 JP JP14129277A patent/JPS5473662A/en active Granted
1978
- 1978-11-07 SE SE7811480A patent/SE435586B/en not_active IP Right Cessation
- 1978-11-08 GB GB7843718A patent/GB2010475B/en not_active Expired
- 1978-11-13 AU AU41530/78A patent/AU517275B2/en not_active Expired
- 1978-11-13 AU AU41532/78A patent/AU517262B2/en not_active Expired
- 1978-11-22 BE BE191886A patent/BE872214A/en not_active IP Right Cessation
- 1978-11-22 FR FR7832937A patent/FR2410259B1/en not_active Expired
- 1978-11-24 IT IT52063/78A patent/IT1107599B/en active
- 1978-11-24 BE BE191933A patent/BE872273A/en not_active IP Right Cessation
- 1978-11-24 ZA ZA00786619A patent/ZA786619B/en unknown
- 1978-11-24 ZA ZA00786618A patent/ZA786618B/en unknown

Also Published As

Publication number	Publication date
AU517275B2 (en)	1981-07-16
BE872214A (en)	1979-03-16
SE435586B (en)	1984-10-08
IT1107599B (en)	1985-11-25
SE7811480L (en)	1979-05-26
ZA786619B (en)	1979-12-27
JPS5473662A (en)	1979-06-13
GB2010475A (en)	1979-06-27
FR2410259A1 (en)	1979-06-22
JPH0127370B2 (en)	1989-05-29
ZA786618B (en)	1979-11-28
AU517262B2 (en)	1981-07-16
IT7852063A0 (en)	1978-11-24
AU4153078A (en)	1979-05-31
BE872273A (en)	1979-03-16
AU4153278A (en)	1979-05-31
FR2410259B1 (en)	1985-12-06

Publication	Publication Date	Title
JPS53113596A (en)	1978-10-04	Detecting method
JPS5389816A (en)	1978-08-08	Ferriteebased corrosionnresistant chromee molybdenummnickel steel
GB2005015B (en)	1982-05-26	Method of detecting flaws on the surface of metal
GB2004069B (en)	1982-04-21	Metal detectors
HK10882A (en)	1982-03-12	Moving object detection system
JPS54118330A (en)	1979-09-13	Detection of surface position of molten metal
AU3357678A (en)	1979-08-30	Treating molten metal
GB2010475B (en)	1982-04-28	Molten metal surface level detection system
AU2599677A (en)	1978-12-14	Molten metal detection
JPS5290417A (en)	1977-07-29	System of detecting level of molten steel
AU514863B2 (en)	1981-03-05	Detecting level of molten metal
JPS53117457A (en)	1978-10-13	Metal detector
JPS5414320A (en)	1979-02-02	Heattand heattcheckkresistant steel
JPS5424225A (en)	1979-02-23	Detecting method of surface level of molten metal
JPS5479656A (en)	1979-06-25	Method of detecting molten metal level
JPS5467527A (en)	1979-05-31	Ladle
JPS53107866A (en)	1978-09-20	Buried metal detector
JPS5449937A (en)	1979-04-19	Metal surface protecting coatingglayer
JPS5436760A (en)	1979-03-17	Direct vision type liquid level detector for liquid metal
JPS5434128A (en)	1979-03-13	Earthquakeeproof metal hanger
JPS5477232A (en)	1979-06-20	Continuous metal casting
JPS53147645A (en)	1978-12-22	Method of detecting crosssline of surface
JPS52114521A (en)	1977-09-26	Continuous vacuum metal refining apparatus
JPS5442693A (en)	1979-04-04	Surface coating nonnmagnetic steel
JPS5286360A (en)	1977-07-18	Method of detecting level of molten metal

Legal Events

Date	Code	Title	Description
1998-12-02	PE20	Patent expired after termination of 20 years	Effective date: 19981107