NL6504193A - - Google Patents

Info

Publication number
NL6504193A
NL6504193A NL6504193A NL6504193A NL6504193A NL 6504193 A NL6504193 A NL 6504193A NL 6504193 A NL6504193 A NL 6504193A NL 6504193 A NL6504193 A NL 6504193A NL 6504193 A NL6504193 A NL 6504193A
Authority
NL
Netherlands
Application number
NL6504193A
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 filed Critical
Publication of NL6504193A publication Critical patent/NL6504193A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
NL6504193A 1964-04-02 1965-04-02 NL6504193A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE646066 1964-04-02

Publications (1)

Publication Number Publication Date
NL6504193A true NL6504193A (xx) 1965-10-04

Family

ID=3846266

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6504193A NL6504193A (xx) 1964-04-02 1965-04-02

Country Status (3)

Country Link
US (1) US3364012A (xx)
LU (1) LU48196A1 (xx)
NL (1) NL6504193A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU511223B2 (en) * 1975-08-20 1980-08-07 Mishima Kosan Co. Ltd. Metal refining method and apparatus
FR2447967A1 (fr) * 1979-01-31 1980-08-29 Siderurgie Fse Inst Rech Procede et dispositif de determination en continu du profil des charges dans un haut fourneau

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1706857A (en) * 1925-08-14 1929-03-26 Hartford Empire Co Apparatus for the precise determination of the level of glass in alpha furnace
US1699558A (en) * 1926-12-12 1929-01-22 Ainsworth Harry Whitfield Depth and contents gauge for silos, tanks, and cisterns
US1991192A (en) * 1934-06-27 1935-02-12 Bucky Gustav Oil tank level indicator
US2566789A (en) * 1947-05-15 1951-09-04 Western States Lacquer Corp Optical sight means for indicating the level of liquids or other reflective surfaces
US2873714A (en) * 1956-08-15 1959-02-17 Dole Valve Co Liquid level indicator

Also Published As

Publication number Publication date
LU48196A1 (xx) 1965-05-17
US3364012A (en) 1968-01-16

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