CN116068139A - Ladle integrated detection method and detection device - Google Patents

Ladle integrated detection method and detection device Download PDF

Info

Publication number
CN116068139A
CN116068139A CN202310177044.0A CN202310177044A CN116068139A CN 116068139 A CN116068139 A CN 116068139A CN 202310177044 A CN202310177044 A CN 202310177044A CN 116068139 A CN116068139 A CN 116068139A
Authority
CN
China
Prior art keywords
ladle
temperature
molten iron
detecting
detection
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
Application number
CN202310177044.0A
Other languages
Chinese (zh)
Inventor
韦泽洪
战东平
黄高见
耿彬
杨永坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baowu Group Echeng Iron and Steel Co Ltd
Original Assignee
Baowu Group Echeng Iron and Steel Co Ltd
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 Baowu Group Echeng Iron and Steel Co Ltd filed Critical Baowu Group Echeng Iron and Steel Co Ltd
Priority to CN202310177044.0A priority Critical patent/CN116068139A/en
Publication of CN116068139A publication Critical patent/CN116068139A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/205—Metals in liquid state, e.g. molten metals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
    • G01B21/085—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness using thermal means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The embodiment of the invention provides a ladle integrated detection method and a detection device, and relates to the field of steel smelting. The ladle integrated detection method comprises the steps of controlling a driving part to drive a detection part to be inserted into a ladle and measuring a first molten iron temperature T 0 First response time t 0 The method comprises the steps of carrying out a first treatment on the surface of the The control driving piece drives the detection piece to be taken out of the ladle; the control driving piece drives the detection piece to be inserted into the ladle, penetrates through the slag at the speed v, measures the real-time molten iron temperature T and the real-time response time T, and continuously records; when the temperature is less than or equal to 20 ℃ T 0 Recording the temperature T of the second molten iron when T is less than or equal to 40 DEG C 1 And a second response time t 1 Calculating to obtain the thickness L of the iron slag, wherein: l= (t 1 ‑t 0 ) V; the control driving piece drives the detecting piece to be taken out of the ladle. The ladle integrated detection method and the detection deviceThe automatic temperature measurement of the molten iron and the thickness detection of the iron slag can be automatically carried out without manual reading operation, so that the measurement operation is carried out rapidly and accurately.

Description

Ladle integrated detection method and detection device
Technical Field
The invention relates to the field of iron and steel smelting, in particular to a ladle integrated detection method and a detection device.
Background
In the steel smelting process, the alkalinity of molten iron slag is low, the harmful impurities are more, if the slag quantity of the molten iron added into a converter is too large, slag flushing and splashing are easy to occur in the converter blowing process, so that metal resource waste is caused, and meanwhile, impurities in the molten iron are difficult to remove, so that the problems of unqualified blowing endpoint components and the like are caused. With the increase of the slag carrying amount of molten iron, the amount of slag formers (such as lime, magnesium balls and the like) required by the converter is increased, so that the flux is more used, and the ton steel cost is increased.
In the prior art, a method for manually operating a copper bar to measure the slag thickness of the molten iron belt of the molten iron tank is generally adopted, and the slag layer thickness is mainly obtained by detecting the length of molten iron slag attached to the surface of the copper bar, so that the operation process is complex, manual reading errors exist, and the measurement of the amount of the molten iron slag in the molten iron is inconvenient, rapid and accurate.
Disclosure of Invention
The invention provides a ladle integrated detection method and a detection device, which can rapidly and accurately measure the amount of iron slag in molten iron.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a ladle integrated detection method, which comprises the following steps:
the control driving part drives the detection part to be inserted into the ladle and detects the first molten iron temperature T 0 First response time t 0 ；
The control driving piece drives the detection piece to be taken out of the ladle;
the control driving piece drives the detection piece to be inserted into the ladle, penetrates through the slag at the speed v, measures the real-time molten iron temperature T and the real-time response time T, and continuously records;
when the temperature is less than or equal to 20 ℃ T 0 Recording the temperature T of the second molten iron when T is less than or equal to 40 DEG C 1 And a second response time t 1 Calculating to obtain the thickness L of the iron slag, wherein: l= (t 1 -t 0 )*v；
The control driving piece drives the detecting piece to be taken out of the ladle again.
Optionally, the ladle integrated detection method further includes:
before the detecting member is inserted into the ladle, the position of the ladle opposite to the detecting member is preheated.
Optionally, the preheating time is 0.5-1.5min.
Optionally, the range of speeds v is: 0.2-0.3m/min.
Optionally, the detecting member is inserted into the ladle a plurality of times to a uniform depth.
The embodiment of the invention also provides a detection device for realizing the ladle integrated detection method, which comprises the following steps:
a driving member and a detecting member;
the detection piece comprises a traction rod and a temperature thermocouple, the extension directions of the traction rod and the temperature thermocouple are consistent, and the traction rod is connected with the driving piece.
Optionally, the driving piece includes revolving stage, extension rod and the driver that connects gradually, the revolving stage is used for driving the extension rod carries out rotary motion, the extension rod is used for driving the driver carries out linear movement, the driver with the traction lever is connected.
Optionally, the extension rod includes a vertically connected lifting rod connected to the rotary table and a retraction arm connected to the driver.
Optionally, the ladle integrated detection device further comprises a limiting piece, and the limiting piece is sleeved on the outer side of the temperature thermocouple.
Optionally, the locating part includes stay tube, ring flange and the buckle that connects gradually, temperature thermocouple runs through in proper order the stay tube with the ring flange, temperature thermocouple passes through the buckle with the ring flange is connected.
The ladle integrated detection method and the detection device provided by the embodiment of the invention have the beneficial effects that:
the ladle integrated detection method and the detection device can automatically detect the temperature of the molten iron and the thickness of the slag, do not need manual reading operation, and have higher accuracy of measurement results; the measuring process is quick and convenient, is easy to operate, reduces the measuring time and improves the measuring efficiency; and the detection piece can be reused, so that the detection cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic operation view of a ladle integration detecting device according to an embodiment of the present invention.
Icon: 100-ladle integrated detection device; 110-a driving member; 112-a rotary table; 114-an extension rod; 1141-lifting bar; 1142-a retraction arm; 116-driver; 130-detecting piece; 132-a drawbar; 134-a temperature thermocouple; 150-limiting parts; 152-supporting the tube; 154-flange plate; 156-snap; 170-a remote processing unit; 200-ladle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Unless specifically stated or limited otherwise, terms such as "disposed," "connected," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
According to the research of the technical personnel in the field, in the steel smelting process, the alkalinity of molten iron slag is low, the harmful impurities are more, if the slag carrying amount of the molten iron added into a converter is excessive, slag is easy to gush and splash in the converter blowing process, so that metal resources are wasted, and meanwhile, impurities in the molten iron are difficult to remove, so that the problems of unqualified blowing end components and the like are caused. With the increase of the slag carrying amount of molten iron, the amount of slag formers (such as lime, magnesium balls and the like) required by the converter is increased, so that the flux is more used, and the ton steel cost is increased. Therefore, from the perspective of safety and cost, the steel mill has clear standard requirements on the slag amount of molten iron entering the furnace, the subsequent smelting mode is adjusted according to the specific condition of the slag amount of the molten iron, and when the slag amount of the molten iron is excessive, slag skimming operation is needed before entering the furnace, so that the rapid and accurate obtaining of the specific slag amount of the molten iron is particularly important.
Referring to fig. 1, the present embodiment provides a ladle integration detection method and detection apparatus, which can solve the above-mentioned problems, and will be described in detail below.
The ladle integrated detecting apparatus 100 includes a driving part 110 and a detecting part 130;
the detecting member 130 includes a traction rod 132 and a temperature thermocouple 134, the extension directions of the traction rod 132 and the temperature thermocouple 134 are consistent, and the traction rod 132 is connected to the driving member 110.
In the above technical solution, the driving member 110 is configured to act as a power source and a moving carrier, and is configured to drive the detecting member 130 to move. The temperature thermocouple 134 is inserted into the ladle 200 to detect the temperature of the molten iron, and the traction rod 132 is used for drawing and extending the temperature thermocouple 134, so as to avoid the temperature thermocouple 134 from directly contacting the driving member 110.
It should be noted that the traction rod 132 may be a steel wire rope, and two ends of the traction rod are respectively connected with the driving member 110 and the temperature thermocouple 134. The length of the temperature thermocouple 134 is 300-800 mm.
In this embodiment, the ladle integrated detection apparatus 100 further includes a remote processing unit 170, where the remote processing unit 170 is configured to communicate with the detection member 130 and the temperature thermocouple 134, and the specific communication manner may be wired or wireless. The remote processing unit 170 may function as a signal transmitter, signal converter, data processor, and data storage. By providing the remote processing unit 170, a worker can conveniently monitor the measuring operation of the ladle 200 in real time at a long distance.
Optionally, the driving member 110 includes a rotary table 112, an extension rod 114, and a driver 116 sequentially connected, where the rotary table 112 is used to drive the extension rod 114 to perform a rotational motion, the extension rod 114 is used to drive the driver 116 to perform a linear motion, and the driver 116 is connected to the traction rod 132.
Specifically, the extension pole 114 includes a vertically connected lift rod 1141 and a retraction arm 1142, the lift rod 1141 being connected to the rotary stage 112, the retraction arm 1142 being connected to the driver 116.
In the above technical solution, by setting the rotary table 112, the lifting rod 1141 and the contraction arm 1142, the driver 116 is driven to rotate and linearly move in different planes respectively, so as to drive the temperature thermocouple 134 to orderly monitor the ladle 200 at different positions, thereby improving the working efficiency.
In this embodiment, the rotary table 112 is horizontally mounted on the bottom surface or the table surface, and the rotation angle thereof can reach 360 °. The lifter 1141 is vertically disposed, the bottom end of the lifter 1141 is connected to the rotary table 112, the top end of the lifter 1141 is connected to the retraction arm 1142, the retraction arm 1142 is horizontally disposed, and the driver 116 is connected to the retraction arm 1142 at an end far from the lifter 1141.
It should be noted that the rotary table 112, the lifting rod 1141 and the retraction arm 1142 are provided with corresponding power sources, and the driver 116 is used as a power source for driving the traction rod 132 to move, and the power source may be electric, pneumatic or hydraulic, and the specific power form is not limited.
Optionally, the ladle integrated detection device 100 further includes a limiting member 150, where the limiting member 150 is sleeved on the outer side of the temperature thermocouple 134.
Specifically, the limiting member 150 includes a support tube 152, a flange 154 and a buckle 156 that are sequentially connected, the temperature thermocouple 134 sequentially penetrates through the support tube 152 and the flange 154, and the temperature thermocouple 134 is connected with the flange 154 through the buckle 156.
In the above technical scheme, shielding protection of the temperature thermocouple 134 can be realized by arranging the supporting tube 152 and the flange 154, and the buckle 156 is used for fixing the temperature thermocouple 134 and the flange 154, so that the direction of the temperature thermocouple 134 is prevented from being easily changed in the moving process.
Specifically, the supporting tube 152 may be one of a molybdenum tube, a copper tube, a steel tube and a high-temperature alloy tube, the tube wall thickness is 3-5 mm, and the tube inner diameter is 10-30 mm. The flange 154 is made of ceramic, and has a diameter of 50-100 mm and a central hole diameter of 5-10 mm. N transverse through holes (N is larger than or equal to 1) are formed in the tail end of the supporting tube 152, and the number of edge symmetrical round holes of the flange 154 is 2N.
The ladle integration detecting method, which is applied to the ladle integration detecting apparatus 100 described above, includes:
the control driving part 110 drives the detecting part 130 to insert into the ladle 200 and measures the first molten iron temperature T 0 First response time t 0 ；
The control driving part 110 drives the detecting part 130 to be taken out from the ladle 200;
the control driving part 110 drives the detection part 130 to be inserted into the ladle 200, and penetrates through the slag at the speed v, so that the real-time molten iron temperature T and the real-time response time T are measured and continuously recorded;
when the temperature is less than or equal to 20 ℃ T 0 Recording the temperature T of the second molten iron when T is less than or equal to 40 DEG C 1 And a second response time t 1 Calculating to obtain the thickness L of the iron slag, wherein: l= (t 1 -t 0 )*v；
The control driving part 110 drives the detecting part 130 to be again taken out of the ladle 200.
It is to be noted that,when the temperature is less than or equal to 20 ℃ T 0 When T is less than or equal to 40 ℃, the relative change trend of the real-time molten iron temperature T and the actual response time T is relatively linear, so that the method is beneficial to reducing the accident in the measuring process and improving the accuracy of the measuring result.
And, the ladle integration detection method further comprises: before the detecting member 130 is inserted into the ladle 200, the position of the ladle 200 opposite to the detecting member 130 is preheated. By preheating the ladle 200, resistance encountered by the thermocouple in the sensing member 130 when passing through the slag can be reduced. The preheating time is 0.5-1.5min, preferably 1min.
In addition, the insertion speed v of the thermo-optic coupler for temperature measurement in the detecting member 130 is in the range of: 0.2-0.3m/min, and ensuring consistent depths of the detecting member 130 inserted into the ladle 200 for multiple times, avoiding differences in the insertion depths, and further affecting accuracy of slag thickness calculation. Of course, the driving member 110 drives the detecting member 130 to perform the insertion movement, so that the accuracy of the insertion depth is easier to be ensured than that of manual operation.
The ladle integrated detection method and the detection device provided by the embodiment have at least the following advantages:
(1) The temperature measurement of the molten iron and the thickness detection of the iron slag can be automatically carried out, manual reading operation is not needed, and the accuracy of the measurement result is high.
(2) The measuring process is quick and convenient, the operation is easy, the measuring time is shortened, and the measuring efficiency is improved.
(3) The detecting member 130 can be reused, so that the detecting cost is reduced.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A ladle integration test method, comprising:
the control driving part (110) drives the detecting part (130) to be inserted into the ladle (200) and detects the first molten iron temperature T 0 First response time t 0 ；
The control driving part (110) drives the detecting part (130) to be taken out of the ladle (200);
the driving part (110) is controlled to drive the detecting part (130) to be inserted into the ladle (200) and pass through the slag at the speed v, so that the real-time molten iron temperature T and the real-time response time T are measured and continuously recorded;
when the temperature is less than or equal to 20 ℃ T 0 Recording the temperature T of the second molten iron when T is less than or equal to 40 DEG C 1 And a second response time t 1 Calculating to obtain the thickness L of the iron slag, wherein: l= (t 1 -t 0 )*v；
The control driving part (110) drives the detecting part (130) to be taken out of the ladle (200) again.
2. The ladle integration detection method according to claim 1, wherein the ladle integration detection method further comprises:
before the detecting member (130) is inserted into the ladle (200), the position of the ladle (200) opposite to the detecting member (130) is preheated.
3. The ladle integrated test method of claim 2, wherein the preheating period is 0.5-1.5 minutes.
4. The ladle integration test method according to claim 1, wherein the range of speeds v is: 0.2-0.3m/min.
5. The ladle integration test method according to claim 1, wherein the test piece (130) is inserted into the ladle (200) a plurality of times to a uniform depth.
6. A ladle integration detecting device for implementing the ladle integration detecting method according to any one of claims 1 to 4, comprising:
a driving member (110) and a detecting member (130);
the detection piece (130) comprises a traction rod (132) and a temperature thermocouple (134), the extension directions of the traction rod (132) and the temperature thermocouple (134) are consistent, and the traction rod (132) is connected with the driving piece (110).
7. The ladle integrated detection device according to claim 6, wherein the driving member (110) comprises a rotary table (112), an extension rod (114) and a driver (116) which are sequentially connected, the rotary table (112) is used for driving the extension rod (114) to perform rotary motion, the extension rod (114) is used for driving the driver (116) to perform linear motion, and the driver (116) is connected with the traction rod (132).
8. The ladle integrated inspection apparatus of claim 7, wherein the extension rod (114) includes a vertically connected lift rod (1141) and a retraction arm (1142), the lift rod (1141) being connected to the turntable (112), the retraction arm (1142) being connected to the driver (116).
9. The ladle integrated detection device according to claim 6, further comprising a stopper (150), wherein the stopper (150) is sleeved outside the temperature thermocouple (134).
10. The ladle integrated detection device according to claim 9, wherein the limiting member (150) comprises a supporting tube (152), a flange plate (154) and a buckle (156) which are sequentially connected, the temperature thermocouple (134) sequentially penetrates through the supporting tube (152) and the flange plate (154), and the temperature thermocouple (134) is connected with the flange plate (154) through the buckle (156).
CN202310177044.0A 2023-02-27 2023-02-27 Ladle integrated detection method and detection device Pending CN116068139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310177044.0A CN116068139A (en) 2023-02-27 2023-02-27 Ladle integrated detection method and detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310177044.0A CN116068139A (en) 2023-02-27 2023-02-27 Ladle integrated detection method and detection device

Publications (1)

Publication Number Publication Date
CN116068139A true CN116068139A (en) 2023-05-05

Family

ID=86183726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310177044.0A Pending CN116068139A (en) 2023-02-27 2023-02-27 Ladle integrated detection method and detection device

Country Status (1)

Country Link
CN (1) CN116068139A (en)

Similar Documents

Publication Publication Date Title
US9063110B2 (en) Measurements in metallurgical vessels
US3717034A (en) Apparatus for immersing and withdrawing bath examination means into and from a molten bath
CN201837542U (en) Sampling device capable of automatically measuring temperature and determining oxygen
US3708159A (en) Method and apparatus for locating the surface of a liquid metal bath
JP6208004B2 (en) Temperature measuring device and temperature measuring method
CN116068139A (en) Ladle integrated detection method and detection device
CN212721220U (en) Device for measuring thickness of molten iron slag through buoyancy change
CN201138230Y (en) Electric furnace slag iron liquid level measuring apparatus
US3766772A (en) Apparatus for controlling metallurgical processes
KR101235945B1 (en) Apparatus for measuring the thickness of Slag
KR0129056B1 (en) Measuring apparatus for thickness of slag in ladle
US5024086A (en) Method of measurement of the level of the surface of a metal bath
CN219136828U (en) Temperature measurement sampling sublance device
CN105057607A (en) Rapid detecting mechanism used for tundish slag
CN115041642B (en) Tapping method of converter
CN219531939U (en) Measuring device for thickness of bottom slag of melting tank
RU17808U1 (en) CONVERTER FUSION PARAMETERS MACHINE
CN215893455U (en) Steel ladle clearance measuring tool
KR100428076B1 (en) A probe for sampling and sensing temperature of the molten iron
KR200317038Y1 (en) Slag thickness measuring device using buoyancy
JP3033005B2 (en) Molten steel pot refining method
JP2001026809A (en) Probe for measuring characteristic of molten metal and method for fitting this probe to sub-lance
JPS63196820A (en) Method and apparatus for measuring level and temperature of molten metal
KR900006568Y1 (en) Slag sampler
KR101786998B1 (en) Complex probe and complex probe apparatus including the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination