Classifications

• • C—CHEMISTRY; METALLURGY
  • C21—METALLURGY OF IRON
  • C21B—MANUFACTURE OF IRON OR STEEL
  • C21B5/00—Making pig-iron in the blast furnace
  • C21B5/006—Automatically controlling the process
• • 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
  • G01F23/296—Acoustic waves
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N2291/00—Indexing codes associated with group G01N29/00
  • G01N2291/02—Indexing codes associated with the analysed material
  • G01N2291/028—Material parameters
  • G01N2291/02836—Flow rate, liquid level

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• Manufacturing & Machinery (AREA)
• Materials Engineering (AREA)
• Metallurgy (AREA)
• Organic Chemistry (AREA)
• Electromagnetism (AREA)
• Acoustics & Sound (AREA)
• Thermal Sciences (AREA)
• Fluid Mechanics (AREA)
• General Physics & Mathematics (AREA)
• Blast Furnaces (AREA)
• Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
• Manufacture Of Iron (AREA)
• Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=12665717

Family Applications (1)

Country Status (7)

Families Citing this family (10)

• 1970
  • 1970-05-20 JP JP45043510A patent/JPS5025415B1/ja active Pending
• 1971
  • 1971-05-12 US US142605A patent/US3702694A/en not_active Expired - Lifetime
  • 1971-05-17 GB GB1522271*[A patent/GB1342927A/en not_active Expired
  • 1971-05-19 FR FR7118253A patent/FR2090168B1/fr not_active Expired
  • 1971-05-19 DE DE2124969A patent/DE2124969C3/en not_active Expired
  • 1971-05-19 NL NL7106901.A patent/NL158849B/en not_active IP Right Cessation
  • 1971-05-20 CA CA113454A patent/CA933272A/en not_active Expired

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