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
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
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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Manufacture Of Iron (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
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)
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)
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 |
-
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 NL NL7106901.A patent/NL158849B/en not_active IP Right Cessation
- 1971-05-19 DE DE2124969A patent/DE2124969C3/en not_active Expired
- 1971-05-19 FR FR7118253A patent/FR2090168B1/fr not_active Expired
- 1971-05-20 CA CA113454A patent/CA933272A/en not_active Expired
Cited By (2)
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 |
FR2090168B1 (en) | 1974-03-08 |
US3702694A (en) | 1972-11-14 |
JPS5025415B1 (en) | 1975-08-23 |
CA933272A (en) | 1973-09-04 |
GB1342927A (en) | 1974-01-10 |
DE2124969B2 (en) | 1973-05-03 |
DE2124969C3 (en) | 1973-11-22 |
FR2090168A1 (en) | 1972-01-14 |
DE2124969A1 (en) | 1971-12-02 |
Similar Documents
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 |