ZA777007B - Detection device of the water-sludge interface level in the treatment of waste waters - Google Patents

Detection device of the water-sludge interface level in the treatment of waste waters

Info

Publication number
ZA777007B
ZA777007B ZA00777007A ZA777007A ZA777007B ZA 777007 B ZA777007 B ZA 777007B ZA 00777007 A ZA00777007 A ZA 00777007A ZA 777007 A ZA777007 A ZA 777007A ZA 777007 B ZA777007 B ZA 777007B
Authority
ZA
South Africa
Prior art keywords
treatment
water
detection device
interface level
waste waters
Prior art date
Application number
ZA00777007A
Inventor
J Maloron
G Vecchio
Original Assignee
Omnium Assainissement
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 Omnium Assainissement filed Critical Omnium Assainissement
Publication of ZA777007B publication Critical patent/ZA777007B/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
ZA00777007A 1976-11-30 1977-11-24 Detection device of the water-sludge interface level in the treatment of waste waters ZA777007B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7636059A FR2372421A1 (en) 1976-11-30 1976-11-30 Infrared detector for sludge level in waste water settling tank - has emitter and receiver constantly flushed with clean water

Publications (1)

Publication Number Publication Date
ZA777007B true ZA777007B (en) 1978-09-27

Family

ID=9180472

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00777007A ZA777007B (en) 1976-11-30 1977-11-24 Detection device of the water-sludge interface level in the treatment of waste waters

Country Status (6)

Country Link
BE (1) BE861239A (en)
CH (1) CH618009A5 (en)
ES (1) ES464233A1 (en)
FR (1) FR2372421A1 (en)
IT (1) IT1097723B (en)
ZA (1) ZA777007B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013110697A1 (en) * 2012-01-25 2013-08-01 Bayer Intellectual Property Gmbh Reflection probe

Also Published As

Publication number Publication date
FR2372421A1 (en) 1978-06-23
BE861239A (en) 1978-03-16
FR2372421B3 (en) 1980-10-17
IT1097723B (en) 1985-08-31
ES464233A1 (en) 1978-07-16
CH618009A5 (en) 1980-06-30

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