DE1583443B1 - PROCEDURE FOR DETERMINING THE TEMPERATURE DISTRIBUTION ON THE BATCH SURFACE OF A CHAMBER - Google Patents
PROCEDURE FOR DETERMINING THE TEMPERATURE DISTRIBUTION ON THE BATCH SURFACE OF A CHAMBERInfo
- Publication number
- DE1583443B1 DE1583443B1 DE19671583443 DE1583443A DE1583443B1 DE 1583443 B1 DE1583443 B1 DE 1583443B1 DE 19671583443 DE19671583443 DE 19671583443 DE 1583443 A DE1583443 A DE 1583443A DE 1583443 B1 DE1583443 B1 DE 1583443B1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- furnace
- batch
- camera
- distribution
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 13
- 230000005855 radiation Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000012937 correction Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 230000009849 deactivation Effects 0.000 claims 1
- 238000011161 development Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000001788 irregular Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000013021 overheating Methods 0.000 claims 1
- 238000011155 quantitative monitoring Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 7
- 201000005569 Gout Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/07—Arrangements for adjusting the solid angle of collected radiation, e.g. adjusting or orienting field of view, tracking position or encoding angular position
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
-
- 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
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0044—Furnaces, ovens, kilns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0275—Control or determination of height or distance or angle information for sensors or receivers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Radiation Pyrometers (AREA)
- Blast Furnaces (AREA)
Description
3 43 4
In weiterer Ausgestaltung wird die Mittelwert- dabei aus einem Sender 21 und der als Empfänger 22 bildung der Temperatur für konzentrische Zonen und dienenden Fernsehkamera. Der Sender 21 sendet da-Sektoren der Chargenoberfläche vorgenommen. Da- bei eine Strahlung aus, die eine Identifizierung der bei werden in der numerischen Anzeigetafel für die normalen, von der Chargenoberfläche ausgehenden aus konzentrischen Zonen und Sektoren bestehenden 5 Infrarot- bzw. sichtbaren Strahlung ermöglicht und Bereiche Mittelwertbildungen vorgenommen und von der Fernsehkamera empfangen werden kann, diese wiederum zum Mittelwert der gesamten Be- Sender und Empfänger, die relativ zueinander beschickungsoberfläche in Beziehung gesetzt. Die sich festigt sind, bilden die Fernmeßausrüstung, die um aus dieser Gegenüberstellung ergebenden Maß- ihre optische Basis 23 und um eine Achse 24 senknahmen für die Beschickungsverteilung können so- io recht zu 23 drehbar ist, wobei diese so gewählt ist, dann auf die entsprechenden Bereiche erstreckt daß die Achse 25 der ausgesandten Strahlung die werden. gesamte zu beobachtende Oberfläche abtasten kann.In a further embodiment, the mean value is derived from a transmitter 21 and the receiver 22 formation of temperature for concentric zones and serving television camera. The transmitter 21 sends da sectors made on the batch surface. Thereby a radiation from which an identification of the at are in the numeric display for the normal ones starting from the batch surface 5 infrared or visible radiation made up of concentric zones and sectors enables and Areas can be averaged and received by the television camera, this in turn corresponds to the mean value of the total loading sender and receiver, the loading surface relative to one another related. Those who are consolidated form the telemetry equipment; from this comparison resulting dimensions - their optical base 23 and about an axis 24 lower for the load distribution can be rotated right up to 23, whereby this is selected in such a way that then extends to the corresponding areas that the axis 25 of the emitted radiation will. can scan the entire surface to be observed.
Die Erfindung sei weiterhin an Hand der sich auf Diese zur optischen Basis 23 senkrechte Strahlung ein Ausführungsbeispiel beziehenden Zeichnungen 25 trifft an einem der Punkte 26, 27 oder 28 auf die veranschaulicht. *5 Chargenoberfläche in Abhängigkeit von der Entfer-The invention is also based on the radiation that is perpendicular to the optical base 23 drawings 25 relating to an exemplary embodiment meet at one of points 26, 27 or 28 illustrated. * 5 Batch surface depending on the distance
F i g. 1 zeigt den oberen Teil 1 eines Hochofens, nung zwischen. Oberfläche und Sender. Der Empdessen Charge sich bei 2 befindet. Eine an der Außen- fänger 22 erfaßt die Lage der Punkte 26, 27 und 28 seite des Ofens angeordnete Fernsehkamera 3, · die und registriert dabei in seiner Brennpunktebene die einer in der Wandung des oberen Teils des Ofens aus- Bildpunkte 29, 30 und 31 der von den Punkten 28. gebildeten Öffnung 4 gegenüberliegt, gestattet die 20 27 und 26 reflektierten Strahlung. Der in dieser Ebene Beobachtung des größten Teils der Chargenober- zwischen den Bildpunkten 29, 30 und 31 und dem fläche. Der Vereinfachung und Übersichtlichkeit der Bildpunkt der optischen Kameramitte in der Brenn-Zeichnung wegen wird vorausgesetzt, daß nur eine punktebene bestehende Abstand steht in direkter und einzige Kamera vorgesehen ist, wobei darauf ver- stetiger Beziehung zu dem Winkel zwischen der Basis ziehtet wurde, die Abscloirmvorrichtungen sowohl 25 23 und der Richtung der Verbindungslinie der gicht- als auch kameraseitig aufzuzeigen; optischen Mitte mit den Punkten 28. 27 bzw. 26. DerF i g. 1 shows the upper part 1 of a blast furnace, voltage between. Surface and transmitter. The recipient Batch is at 2. One on the outer catcher 22 detects the position of points 26, 27 and 28 side of the furnace arranged television camera 3, · the and registered in its focal plane the one in the wall of the upper part of the furnace from image points 29, 30 and 31 of the points 28. Formed opening 4 is opposite, allows the 20 27 and 26 reflected radiation. The one on this level Observation of most of the batch top between pixels 29, 30 and 31 and the area. The simplification and clarity of the image point of the optical camera center in the focal drawing because of it is assumed that there is only one point plane in the direct and single camera is provided, with a constant relationship to the angle between the base was drawn, the shielding devices both 25 23 and the direction of the line connecting the to show gout as well as camera side; optical center with points 28. 27 and 26. The
F i g. 2 zeigt in schematischer Darstellung den gesuchte Abstand ergibt sich mithin aus einer ein-Empfängerbildschirm 5 der Fernsehkamera. Ein be- fachen triogonometrischen Beziehung, liebiger Punkt der beobachteten Oberfläche ist durch Abweichend hiervon kann man das von dem ge-F i g. 2 shows a schematic representation of the distance sought consequently results from a one-receiver screen 5 of the television camera. A simple triogonometric relationship, dear point of the observed surface is by deviating from this one can that of the ge
die Intensität des Lichtpunktes, der bei 7 auf dem 30 suchten Punkt der Chargenoberfläche ausgesandte Bildschirm in Erscheinung tritt, und durch die Win- Signal auch in herkömmlicher Weise mittels der kelkoordinaten 8 und 9 dieses Punktes gekenn- Kamera erfassen und unmittelbar auf den Rechner zeichnet; übertragen, wobei dann die beiden Fern- und Licht-the intensity of the point of light emitted at 7 on the 30 point sought on the charge surface Screen appears, and through the Win-Signal also in a conventional manner by means of the Kelkoordinaten 8 and 9 of this point marked camera and record directly on the computer draws; transmitted, with the two long-distance and light
F i g. 3 zeigt ein Blockschaltbild, das die Fernseh- messungen systematisch nacheinander für jeden kamera 3 umfaßt; die Verbindungsleitung 10 überträgt 35 Punkt bzw. für jede Zone der Oberfläche durchdie mit I bezeichnete Intensität des Punktes auf den geführt werden können.F i g. 3 shows a block diagram showing the television measurements systematically one after the other for each camera 3 includes; the connection line 10 transmits 35 points or for each zone of the surface through the I marked the intensity of the point on which can be guided.
Elektronenrechner 11, während zwei Vorrichtungen Für die Fälle, in denen die räumlichen Verhält-Electronic computer 11, while two devices.
12 und 13 die Koordinatenwerte 8 und 9 auf den nisse eine Beobachtung der gesamten Oberfläche der Rechner übertragen, der seinerseits die numerische Beschickung nicht ermöglichen, werden weitere Anzeigetafel 14 über einen entsprechenden Digital- 40 Kameras an verschiedenen Stellen angebracht, so daß wandler 15 speist; schließlich die gesamte Chargenoberfläche im Beob-12 and 13 the coordinate values 8 and 9 on the nisse an observation of the entire surface of the Transfer computers, which in turn do not allow numerical loading, will be further Display panel 14 attached via a corresponding digital 40 cameras at various locations, so that converter 15 feeds; finally the entire batch surface in the
Fig. 4 zeigt schließlich die Verwendung einer achtungsbereich liegt. Die Abtastung der gesamten Fernsehkamera zum Zwecke der Fernmessung. Chargenoberfläche läßt sich somit durch eine zweck-Finally, Fig. 4 shows the use of a caution area. The sampling of the whole Television camera for telemetry purposes. The batch surface can thus be
Die Fernsehkamera gemäß den Fig. 1 bis 3 er- mäßige Kamerakombination vornehmen, ohne daß mittelt in jedem Falle ein projeziertes Abbild der 45 eine Kamera nacheinander einzelne· in ihrem Zu-Beschickungsoberfläche, welches sich mehr oder gänglichkeitsbereich liegende Bereiche der Chargenweniger stark durch Intensitätsunterschiede kenn- oberfläche abtasten muß. The television camera according to FIGS. 1 to 3 make a reduced camera combination without this in each case a projected image of the 45 a camera averages one after the other in its feed surface, which areas of the batch which are more or accessible areas need to be scanned less strongly due to differences in intensity.
zeichnet. Um weiterhin auch die Entfernung zwi- Selbstverständlich kann man auch mit einer einschen der Fernsehkamera, einer zugehörigen Bezugs- zigen einrichtbaren und mit beschränktem Öffnungsebene und einem Punkt 6 der Chargenoberfläche zu 50 winkel versehenen Kamera aufeinanderfolgend einberücksichtigen, wird eine herkömmliche, optische zelne Bereiche der Chargenoberfläche erfassen, wo-Fernmeßeinrichtung vorgesehen, wobei der vom bei dann die Errechnung der jeweiligen Mittelwerte Punkt 6 ausgehende Bildstrahl beispielsweise durch nacheinander für jede Zone erfolgt, die optische Mitte verlaufen kann. Die Fernmeß- Mithin läßt sich auf einer Anzeigetafel, die in ein-draws. In order to continue the distance between, of course, you can also cut in with one the television camera, an associated reference number which can be set up and have a limited opening plane and a point 6 on the batch surface at 50 angled cameras are taken into account in succession, a conventional optical measuring device will detect individual areas of the batch surface provided, the image beam then proceeding from the calculation of the respective mean values point 6 taking place, for example, through one after the other for each zone, the optical center can run. The Fernmeß- Thus can be on a display board, which in one
einrichtung führt dann einen Abtastvorgang aus, so 55 zelne den jeweils gemessenen Bereichen der Chardaß schließlich die gesamte Chargenoberfläche erfaßt genoberfläche entsprechende Bereiche aufgeteilt ist, wird. Die Einspeisung der zu den einzelnen Koordi- eine numerische Darstellung der jeweiligen Tempenatenwerten der Meßpunkte gehörenden Entfernungs- raturmittelwerte der genannten Bereiche erzielen, werte bis zur optischen Mitte des Kamerabildschirms Wie bereits beschrieben, ergeben sich die dann vorin den Elektronenrechner ermöglicht die Korrektur 60 zunehmenden Veränderungen der Beschickungsder Intensität I in Abhängigkeit von der Entfernung. verteilung in Abhängigkeit zwischen dem allgemeinen F i g. 4 zeigt die Verwendung einer Fernsehkamera Mittelwert und den Mittelwerten für jeden einzelnen für die Fernmessung. Die Fernmeßausrüstung besteht Bereich.device then carries out a scanning process, so 55 individual the measured areas of the Chardass finally the entire batch surface is recorded gene surface is divided into corresponding areas, will. The feed of the individual coordinates - a numerical representation of the respective temperature values achieve the mean distance values of the specified ranges belonging to the measuring points, values up to the optical center of the camera screen As already described, the results are then in advance the electronic computer enables the correction 60 for increasing changes in the charge Intensity I as a function of distance. distribution depending on the general F i g. Figure 4 shows the use of a television camera mean and the mean values for each one for remote measurement. The telemetry equipment is made up of area.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU51941A LU51941A1 (en) | 1966-09-12 | 1966-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1583443B1 true DE1583443B1 (en) | 1972-01-13 |
Family
ID=19724966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19671583443 Pending DE1583443B1 (en) | 1966-09-12 | 1967-09-12 | PROCEDURE FOR DETERMINING THE TEMPERATURE DISTRIBUTION ON THE BATCH SURFACE OF A CHAMBER |
Country Status (5)
Country | Link |
---|---|
US (1) | US3544710A (en) |
DE (1) | DE1583443B1 (en) |
GB (1) | GB1175567A (en) |
LU (1) | LU51941A1 (en) |
NL (1) | NL6712446A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178151A (en) * | 1978-03-02 | 1979-12-11 | Midrex Corporation | Apparatus for monitoring the feeding of particulate materials to a packed bed furnace |
DE2948295A1 (en) * | 1978-12-06 | 1980-06-26 | Centre Rech Metallurgique | METHOD FOR MONITORING THE FEEDING SURFACE OF A SHAFT OVEN |
DE102008064142A1 (en) | 2008-12-19 | 2010-07-01 | Z & J Technologies Gmbh | Measuring device and measuring method for a blast furnace, blast furnace with such a device and pivoting device for at least one measuring probe |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU76077A1 (en) * | 1976-10-26 | 1978-05-16 | ||
FR2389875A1 (en) * | 1977-05-04 | 1978-12-01 | Bergwerksverband Gmbh | Surface temp. distribution measuring system at random angles - has programmed control and two dimensional scan via computer |
SE435587B (en) * | 1977-11-25 | 1984-10-08 | Furukawa Metals Co | CONTINUOUS CASTING MACHINE |
FR2447967A1 (en) * | 1979-01-31 | 1980-08-29 | Siderurgie Fse Inst Rech | METHOD AND DEVICE FOR CONTINUOUSLY DETERMINING THE PROFILE OF LOADS IN A BLAST FURNACE |
SE421832B (en) * | 1979-04-18 | 1982-02-01 | Pharos Ab | DEVICE FOR REGISTERING THE TOPOGRAPHY OF THE CHARGED MASS IN A MACHINE |
US4463437A (en) * | 1981-04-27 | 1984-07-31 | Bethlehem Steel Corp. | Furnace burden thermographic method and apparatus |
DE3145955A1 (en) * | 1981-11-20 | 1983-06-01 | Fried. Krupp Gmbh, 4300 Essen | Monitoring device for melting processes in dental technology |
DE3236215C2 (en) * | 1982-03-13 | 1986-10-30 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Method for recording the operating status of rotating rotary drums for the implementation of thermal processes and device for contactless measurement of the surface temperature of flat, especially moving objects to be measured, e.g. rotating rotary drums such as rotary kilns |
US4520390A (en) * | 1982-08-25 | 1985-05-28 | Forney Engineering Company | Burner monitoring system |
US4539588A (en) * | 1983-02-22 | 1985-09-03 | Weyerhaeuser Company | Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases |
USRE33857E (en) * | 1983-02-22 | 1992-03-24 | Weyerhaeuser Company | Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases |
CA1319416C (en) * | 1983-02-22 | 1993-06-22 | Peter Carl Ariessohn | Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases |
DD253741A3 (en) * | 1985-07-30 | 1988-02-03 | Univ Dresden Tech | METHOD FOR TOUCHLESS TEMPERATURE MEASUREMENT WITH A MULTI-CHANNEL PYROMETER |
US4759033A (en) * | 1987-07-01 | 1988-07-19 | Weyerhaeuser Company | Temperature measurement of hot mineral product by induced fluorescence |
US5109277A (en) * | 1990-06-20 | 1992-04-28 | Quadtek, Inc. | System for generating temperature images with corresponding absolute temperature values |
US5219226A (en) * | 1991-10-25 | 1993-06-15 | Quadtek, Inc. | Imaging and temperature monitoring system |
US5615953A (en) * | 1994-07-25 | 1997-04-01 | The Babcock & Wilcox Company | Boiler bank surface temperature profiler |
US5788374A (en) * | 1996-06-12 | 1998-08-04 | The United States Of America As Represented By The Secretary Of Commerce | Method and apparatus for measuring the temperature of a liquid medium |
CN102382918B (en) * | 2011-10-11 | 2014-08-27 | 高征铠 | System and method for measuring blast furnace burden surface on line |
CN104374478B (en) * | 2014-11-20 | 2018-08-03 | 广东石油化工学院 | The temperature discriminating method and measuring device of cracking furnace tube outer wall and inboard wall of burner hearth |
US10107665B2 (en) * | 2016-01-09 | 2018-10-23 | David R. Hall | Toilet with flush jet fill tube flow meter |
GB201620863D0 (en) | 2016-12-08 | 2017-01-25 | Land Instr Int Ltd | Control system for furnace |
US10816405B2 (en) * | 2018-06-22 | 2020-10-27 | Rosemount Inc. | Level and surface temperature gauge |
CN113609936B (en) * | 2021-07-22 | 2024-03-15 | 武汉钢铁有限公司 | Method for determining radial descending speed distribution of furnace burden at upper part of blast furnace |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE644883A (en) * | 1964-03-06 | 1964-07-01 |
-
1966
- 1966-09-12 LU LU51941A patent/LU51941A1/xx unknown
-
1967
- 1967-09-11 US US666869A patent/US3544710A/en not_active Expired - Lifetime
- 1967-09-12 GB GB41491/67A patent/GB1175567A/en not_active Expired
- 1967-09-12 DE DE19671583443 patent/DE1583443B1/en active Pending
- 1967-09-12 NL NL6712446A patent/NL6712446A/xx unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE644883A (en) * | 1964-03-06 | 1964-07-01 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178151A (en) * | 1978-03-02 | 1979-12-11 | Midrex Corporation | Apparatus for monitoring the feeding of particulate materials to a packed bed furnace |
DE2948295A1 (en) * | 1978-12-06 | 1980-06-26 | Centre Rech Metallurgique | METHOD FOR MONITORING THE FEEDING SURFACE OF A SHAFT OVEN |
DE102008064142A1 (en) | 2008-12-19 | 2010-07-01 | Z & J Technologies Gmbh | Measuring device and measuring method for a blast furnace, blast furnace with such a device and pivoting device for at least one measuring probe |
RU2535101C2 (en) * | 2008-12-19 | 2014-12-10 | Цет Унд Йот Технологис Гмбх | Measurement device for determination of gas medium temperature distribution above charge surface in blast furnace, blast furnace equipped with it and appropriate method |
Also Published As
Publication number | Publication date |
---|---|
LU51941A1 (en) | 1968-03-21 |
GB1175567A (en) | 1969-12-23 |
US3544710A (en) | 1970-12-01 |
NL6712446A (en) | 1968-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 |