NL7106901A - - Google Patents

Info

Publication number
NL7106901A
NL7106901A NL7106901A NL7106901A NL7106901A NL 7106901 A NL7106901 A NL 7106901A NL 7106901 A NL7106901 A NL 7106901A NL 7106901 A NL7106901 A NL 7106901A NL 7106901 A NL7106901 A NL 7106901A
Authority
NL
Netherlands
Application number
NL7106901A
Other versions
NL158849B (en
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 NL7106901A publication Critical patent/NL7106901A/xx
Publication of NL158849B publication Critical patent/NL158849B/en

Links

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
NL7106901.A 1970-05-20 1971-05-19 DEVICE FOR DETECTING THE CONDITION OF A HIGH OVEN. NL158849B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45043510A JPS5025415B1 (en) 1970-05-20 1970-05-20

Publications (2)

Publication Number Publication Date
NL7106901A true NL7106901A (en) 1971-11-23
NL158849B NL158849B (en) 1978-12-15

Family

ID=12665717

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7106901.A NL158849B (en) 1970-05-20 1971-05-19 DEVICE FOR DETECTING THE CONDITION OF A HIGH OVEN.

Country Status (7)

Country Link
US (1) US3702694A (en)
JP (1) JPS5025415B1 (en)
CA (1) CA933272A (en)
DE (1) DE2124969C3 (en)
FR (1) FR2090168B1 (en)
GB (1) GB1342927A (en)
NL (1) NL158849B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385788A2 (en) * 1989-03-02 1990-09-05 Exxon Research And Engineering Company Passive acoustics method to monitor fluidized bed level

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772504A (en) * 1971-12-23 1973-11-13 Steel Corp Apparatus for operating a blast furnace
JPS5691680U (en) * 1979-12-17 1981-07-21
JPS6089282A (en) * 1983-10-21 1985-05-20 Hitachi Ltd Symbol reader
GB2150692A (en) * 1983-11-30 1985-07-03 Squibb & Sons Inc Apparatus and method for coating tablets
JPS60184189U (en) * 1984-05-14 1985-12-06 ニツタン株式会社 Fire extinguishing control device
JPS63178686A (en) * 1987-01-19 1988-07-22 Ace Denken:Kk Device for detecting illegal conduct at play spot
JPS63211887A (en) * 1987-02-27 1988-09-02 Taihei Kogyo Kk Building supervising system
GB2211938A (en) * 1987-11-05 1989-07-12 Atomic Energy Authority Uk Acoustic monitoring of plant operation
DE102009034353A1 (en) * 2008-12-15 2010-06-24 Siemens Aktiengesellschaft furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385788A2 (en) * 1989-03-02 1990-09-05 Exxon Research And Engineering Company Passive acoustics method to monitor fluidized bed level
EP0385788A3 (en) * 1989-03-02 1991-06-26 Exxon Research And Engineering Company Passive acoustics method to monitor fluidized bed level

Also Published As

Publication number Publication date
NL158849B (en) 1978-12-15
FR2090168A1 (en) 1972-01-14
DE2124969C3 (en) 1973-11-22
FR2090168B1 (en) 1974-03-08
JPS5025415B1 (en) 1975-08-23
DE2124969A1 (en) 1971-12-02
CA933272A (en) 1973-09-04
DE2124969B2 (en) 1973-05-03
GB1342927A (en) 1974-01-10
US3702694A (en) 1972-11-14

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: SUMIT METAL