CN113932879A - Automatic detection device for high-temperature melt - Google Patents

Automatic detection device for high-temperature melt Download PDF

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Publication number
CN113932879A
CN113932879A CN202111130068.8A CN202111130068A CN113932879A CN 113932879 A CN113932879 A CN 113932879A CN 202111130068 A CN202111130068 A CN 202111130068A CN 113932879 A CN113932879 A CN 113932879A
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China
Prior art keywords
gas
gas nozzle
nozzle
displacement
temperature melt
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Pending
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CN202111130068.8A
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Chinese (zh)
Inventor
刘恺
吴金财
陆金忠
黎敏
张海鑫
李晓霞
吴玲
孙晓峰
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Priority to CN202111130068.8A priority Critical patent/CN113932879A/en
Publication of CN113932879A publication Critical patent/CN113932879A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14Indicating 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 measurement of pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20Metals
    • G01N33/205Metals in liquid state, e.g. molten metals

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (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)
  • Fluid Mechanics (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses an automatic detection device for high-temperature melt, which comprises a gas nozzle, a detection assembly and a control assembly, wherein the gas nozzle is provided with a gas inlet hole and a gas outlet hole, the gas nozzle can move so that the gas outlet hole is positioned at different heights below the liquid level of the high-temperature melt, the detection assembly comprises a pressure detector and a displacement detector, the pressure detector is used for detecting the gas outlet back pressure of the gas nozzle, the displacement sensor is used for detecting the displacement of the gas nozzle, the control assembly comprises a control cabinet, and the control cabinet is connected with the gas nozzle, the pressure detector and the displacement detector. The automatic detection device for the high-temperature melt has the characteristics of automatic control, accurate detection, low labor intensity, safety and reliability.

Description

Automatic detection device for high-temperature melt
Technical Field
The invention relates to the technical field of nonferrous metallurgy, in particular to an automatic detection device for high-temperature melt.
Background
In the smelting process, the liquid level height and the layering condition of high-temperature melt in the molten pool are required to be frequently accessed to judge the state of the melt in the furnace, and further the time for discharging the melt and the scheme of the next process control are determined.
At present, the liquid level of the high-temperature molten pool is detected by a mode of manually detecting the liquid level of the high-temperature molten pool once every half an hour, the judgment deviation is large by observing the position of the liquid level of the melt by naked eyes, and the labor intensity of operation is large by frequently detecting the liquid level by users.
Document CN207215234 discloses a high-temperature melt one-key detection device, which adopts a winch to drive a molten pool detection rod to move up and down, controls the sampling process of the detection rod through one-key program, can effectively reduce labor intensity, but still needs a technician to judge the liquid layering condition in the molten pool by observing the state of attachments on the detection rod through naked eyes, and has the problem of inaccurate judgment.
Disclosure of Invention
Therefore, the embodiment of the invention provides an automatic detection device for high-temperature melt, which is capable of automatically detecting, fast, accurately, safely and reliably.
The automatic detection device for the high-temperature melt comprises a gas nozzle, a detection assembly and a control assembly, wherein the gas nozzle is provided with a gas inlet hole and a gas outlet hole, the gas nozzle can move to enable the gas outlet hole to be located at different heights below the liquid level of the high-temperature melt, the detection assembly is used for detecting the pressure of the gas outlet hole and the movement of the gas nozzle, the detection assembly comprises a pressure detector and a displacement detector, the pressure detector is used for detecting the outlet back pressure of the gas nozzle, the displacement detector is used for detecting the movement of the gas nozzle, the control assembly comprises a control cabinet, the control cabinet is connected with the gas nozzle, the pressure detector and the displacement detector, and the control cabinet is used for controlling the movement of the detection gas nozzle according to the outlet back pressure of the gas nozzle detected by the pressure detector and the movement of the gas nozzle detected by the displacement detector And (6) moving.
According to the automatic detection device for the high-temperature melt, disclosed by the embodiment of the invention, the liquid layering condition in the molten pool can be quickly and accurately judged, and meanwhile, the automatic detection device has an automatic detection function, can effectively reduce the labor intensity, and is safe and reliable.
In some embodiments, the pressure detector is disposed within the gas outlet.
In some embodiments, the automatic detection device for high-temperature melt further comprises a support and a lifting assembly, wherein the lifting assembly is arranged on the support and connected with the gas nozzle so as to move the gas nozzle.
In some embodiments, the lifting assembly includes a driver, a guide rail and a nozzle holder, the guide rail is disposed on the support, the nozzle holder is fitted on the guide rail, the nozzle holder is used for holding the gas nozzle, and the driver is connected with the nozzle holder to drive the nozzle holder to move along the length direction of the guide rail so as to drive the gas nozzle to move.
In some embodiments, the displacement detector is provided on the nozzle holder to obtain the displacement of the gas nozzle movement by detecting the displacement of the nozzle holder movement.
In some embodiments, the driver includes a motor connected to the control cabinet, a fixed pulley provided on the support, and a rope having one end connected to an output shaft of the motor and the other end connected to the nozzle holder by passing around the fixed pulley.
In some embodiments, the drive further comprises a counterweight coupled to the other end of the cord.
In some embodiments, a display is arranged on the control cabinet, and the display is used for displaying the condition that the outlet backpressure of the air outlet changes along with the displacement of the movement of the air nozzle.
In some embodiments, the automatic detection device for high-temperature melt further comprises a gas source connected with the gas nozzle to communicate with the gas inlet hole, and used for supplying gas into the gas nozzle.
In some embodiments, the gas nozzle and the pressure detector are both made of a high temperature resistant material.
Drawings
FIG. 1 is a schematic structural diagram of an automatic detection device for high-temperature melt.
Reference numerals:
the gas nozzle comprises a gas nozzle 1, a gas inlet hole 11, a gas outlet hole 12, a detection component 2, a pressure detector 21, a displacement detector 22, a control component 3, a control cabinet 31, a lifting component 4, a driver 41, a motor 411, a fixed pulley 412, a rope 413, a counterweight 414, a guide rail 42, a nozzle clamp 43, a support piece 5 and a gas source 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An automatic high-temperature melt detecting apparatus according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, the automatic detection device for high-temperature melt according to the embodiment of the present invention includes a gas nozzle 1, a detection assembly 2, and a control assembly 3.
The gas nozzle 1 is provided with a gas inlet hole 11 and a gas outlet hole 12, and the gas nozzle 1 can move so that the gas outlet holes 12 are positioned at different heights below the liquid level of the high-temperature melt. Gas enters the gas nozzle 1 through the gas inlet hole 11, the gas outlet hole 12 can be located at different heights below the liquid level of the high-temperature melt along with the movement of the gas nozzle 1, the gas outlet back pressure of the gas discharged from the gas outlet hole 12 at different heights is different, and the change of the gas outlet back pressure can reflect the change of the height below the liquid level.
The detection assembly 2 includes a pressure detector 21 and a displacement detector 22, the pressure detector 21 is used for detecting the outlet back pressure of the gas nozzle 1, and the displacement sensor is used for detecting the displacement of the gas nozzle 1. The outlet backpressure of the gas nozzle 1 changes along with the movement of the gas nozzle 1, the pressure detector 21 can detect the outlet backpressure at each moment, meanwhile, the movement displacement of the gas nozzle 1 can be detected by the displacement detector 22, and the liquid layering condition under the liquid level can be judged by detecting the change value of the outlet backpressure of the gas nozzle 1 along with the different displacement.
The control assembly 3 comprises a control cabinet 31, the control cabinet 31 is connected with the gas nozzle 1, the pressure detector 21 and the displacement detector 22, and the control cabinet 31 is used for controlling the movement of the detection gas nozzle 1 according to the outlet back pressure of the gas nozzle 1 detected by the pressure detector 21 and the movement of the gas nozzle 1 detected by the displacement detector 22. The information such as the outlet back pressure of the gas nozzle 1 detected by the pressure detector 21 and the displacement of the gas nozzle 1 moving detected by the displacement detector 22 is transmitted to the control cabinet 31, the control cabinet 31 can display the variation value of the outlet back pressure along with the displacement according to the received signal so as to judge the layering condition of the solution under the liquid level, and meanwhile, the control cabinet 31 can also control the movement of the gas nozzle 1.
According to the automatic detection device for the high-temperature melt, disclosed by the embodiment of the invention, the internal change of the high-temperature melt can be reflected through the change of the air outlet back pressure of the gas nozzle 1, the layering condition of liquid in a molten pool can be judged quickly and accurately, meanwhile, the automatic detection function is realized through the control of the control cabinet 31, the labor intensity can be effectively reduced, and the automatic detection device is safe and reliable.
In some embodiments, the pressure detector 21 is disposed within the exit orifice 12. The pressure detector 21 can measure the outlet backpressure in the air hole 12, the outlet backpressure changes along with the movement of the gas nozzle, the pressure detector 21 is arranged in the air hole 12 and can detect the outlet backpressure value at the first time, and the detection precision can be improved.
In some embodiments, the automatic detection device for high-temperature melt further comprises a support 5 and a lifting assembly 4, wherein the lifting assembly 4 is arranged on the support 5 and connected with the gas nozzle 1 to move the gas nozzle 1. The support 5 is arranged outside the bath and is connected to the lifting assembly 4. The lifting assembly 4 is connected to the gas nozzle 1 and can move the gas nozzle 1. The action of steerable lifting unit 4 of switch board 31 makes the removal of gas nozzle 1 realize automaticly, reduces artifical intensity of labour, and moving speed is invariable simultaneously, has improved the precision that detects.
In some embodiments, the lifting assembly 4 comprises a driver 41, a guide rail 42 and a nozzle holder 43, the guide rail 42 is provided on the support 5, the nozzle holder 43 is fitted on the guide rail 42, the nozzle holder 43 is used for holding the gas nozzle 1, and the driver 41 is connected with the nozzle holder 43 to drive the nozzle holder 43 to move along the length direction of the guide rail 42 so as to move the gas nozzle 1.
In other words, the gas nozzle 1 is engaged on the guide rail 42 through the nozzle holder 43, the guide rail 42 is provided on the support 5, the driver 41 is connected to the nozzle holder 43, the driver 41 drives the nozzle holder 43 to move along the length direction of the guide rail 42, and the gas nozzle 1 completes the purpose of moving along the length direction of the guide rail 42 along with the nozzle holder 43.
In some embodiments, the displacement detector 22 is provided on the nozzle holder 43 to obtain the displacement of the movement of the gas nozzle 1 by detecting the displacement of the movement of the nozzle holder 43. The gas nozzle 1 is connected with the nozzle holder 43, and the displacement of the nozzle holder 43 can be detected as the displacement of the gas nozzle 1, so that the displacement can be detected more efficiently and accurately.
In some embodiments, the actuator 41 includes a motor 411, a fixed pulley 412, and a rope 413, the motor 411 being connected to the control cabinet 31, the fixed pulley 412 being provided on the support 5, one end of the rope 413 being connected to an output shaft of the motor 411, and the other end of the rope 413 being connected to the nozzle holder 43 by passing around the fixed pulley 412. The motor 411 is connected with the control cabinet 31, the control cabinet 31 can control the driver 41 by controlling the on-off of the circuit of the motor 411, the output shaft of the motor 411 drives one end of the rope 413 to move, the other end of the rope 413 drives the nozzle holder 43 to move along the guide rail 42, the nozzle holder 43 is connected with the gas nozzle 1, the gas nozzle 1 moves along with the nozzle holder 43, the control of the control cabinet 31 on the movement of the gas nozzle 1 is sequentially realized, the control of manpower on the detection process can be reduced, the measurement precision is improved, and the labor intensity is reduced.
In some embodiments, the driver 41 further includes a weight 414, the weight 414 being connected to the other end of the cord 413. The weight 414 is used to reduce the power of the motor 411 and to ensure the smooth lifting of the gas nozzle 1.
In some embodiments, a display (not shown) is provided on the control cabinet 31, and the display is used for displaying the change of the outlet back pressure of the outlet port along with the displacement of the moving gas nozzle 1. The condition that the air outlet back pressure of the air outlet changes along with the displacement of the movement of the gas nozzle 1 can be visually seen through the display, and the melt condition under the liquid level can be judged at the first time.
In some embodiments, the automatic detection device for high-temperature melt further comprises a gas source 6, and the gas source 6 is connected with the gas nozzle 1 to be communicated with the gas inlet hole 11 and used for supplying gas into the gas nozzle 1. The gas enters the gas nozzle 1 through the gas inlet hole 11, the gas supply pressure of the gas source 6 is constant, and therefore the change of the outlet back pressure at the gas outlet hole 12 of the gas nozzle 1 only changes along with the displacement change of the movement of the gas nozzle 1.
In some embodiments, the gas nozzle 1 and the pressure detector 21 are both made of a high temperature resistant material. When the gas nozzle 1 moves in the high-temperature melt, deformation cannot occur, the influence on the outlet backpressure is generated, meanwhile, the pressure detector 21 accurately measures the outlet backpressure, and errors cannot be generated due to high temperature.
The automatic detection device for high-temperature melt according to some specific examples of the present invention will be described with reference to fig. 1,
the automatic detection device for the high-temperature melt comprises a gas nozzle 1, a detection assembly 2, a control assembly 3, a support 5, a lifting assembly 4 and a gas source 6.
As shown in fig. 1, the support 5 is arranged outside the molten bath, the lifting assembly 4 is arranged on the support 5, the lifting assembly 4 comprises a driver 41, a guide rail 42 and a nozzle holder 43, the guide rail 42 is arranged on the support 5, the driver 41 is connected with the nozzle holder 43, the driver 41 drives the nozzle holder 43 to move along the length direction of the guide rail 42, the nozzle holder 43 is used for holding the gas nozzle 1, the gas nozzle 1 is connected with a gas source 6, and the gas source 6 is used for supplying gas. The driver 41 comprises a motor 411, a fixed pulley 412, a rope 413 and a counterweight 414, the motor 411 is connected with the control cabinet 31, the fixed pulley 412 is arranged on the support 5, one end of the rope 413 is connected with an output shaft of the motor 411 and is provided with the counterweight 414, the counterweight 414 is used for reducing the power of the motor 411 and ensuring the gas nozzle 1 to ascend and descend stably, and the other end of the rope 413 bypasses the fixed pulley 412 and is connected with the nozzle holder 43.
As shown in fig. 1, the detecting assembly 2 includes a pressure detector 21 and a displacement detector 22, the displacement detector 22 is disposed on the nozzle holder 43 for detecting the displacement of the gas nozzle, the pressure detector 21 is disposed in the gas nozzle 1 for detecting the outlet back pressure, the control assembly 3 includes a control cabinet 31, and the control cabinet 31 is connected to the gas nozzle 1, the pressure detector 21 and the displacement detector 22.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. An automatic detection device for high-temperature melt, comprising:
the gas nozzle is provided with a gas inlet hole and a gas outlet hole, and the gas nozzle can move so that the gas outlet holes are positioned at different heights below the liquid level of the high-temperature melt;
the detection assembly comprises a pressure detector and a displacement detector, the pressure detector is used for detecting the outlet back pressure of the gas nozzle, and the displacement detector is used for detecting the displacement of the gas nozzle;
the control assembly comprises a control cabinet, the control cabinet is connected with the gas nozzle, the pressure detector and the displacement detector, and the control cabinet is used for controlling the movement of the detection gas nozzle according to the gas outlet back pressure of the gas nozzle detected by the pressure detector and the displacement of the gas nozzle movement detected by the displacement detector.
2. The automatic detection device for high-temperature melt according to claim 1, wherein the pressure detector is arranged in the gas outlet.
3. The apparatus of claim 1, further comprising a support member and a lift assembly, the lift assembly being disposed on the support member and coupled to the gas nozzle to move the gas nozzle.
4. The automatic hot melt detecting apparatus as claimed in claim 3, wherein the lifting assembly includes a driver, a guide rail and a nozzle holder, the guide rail is disposed on the support, the nozzle holder is fitted on the guide rail, the nozzle holder is used for holding the gas nozzle, and the driver is connected to the nozzle holder to drive the nozzle holder to move along a length direction of the guide rail so as to drive the gas nozzle to move.
5. An automatic high-temperature melt detecting device according to claim 4, wherein the displacement detector is provided on the nozzle holder to obtain the displacement of the movement of the gas nozzle by detecting the displacement of the movement of the nozzle holder.
6. An automatic detection device for high-temperature melt according to claim 4, wherein the driver comprises a motor, a fixed pulley and a rope, the motor is connected with the control cabinet, the fixed pulley is arranged on the support, one end of the rope is connected with an output shaft of the motor, and the other end of the rope is connected with the nozzle holder by bypassing the fixed pulley.
7. An automatic hot melt detecting device as claimed in claim 6, wherein said actuator further comprises a weight connected to the other end of said rope.
8. The automatic detection device for the high-temperature melt according to claim 1, wherein a display is arranged on the control cabinet and used for displaying the condition that the outlet backpressure of the gas outlet changes along with the displacement of the movement of the gas nozzle.
9. An automatic high-temperature melt detection device according to any one of claims 1 to 8, further comprising a gas source connected to the gas nozzle to communicate with the gas inlet hole for supplying gas into the gas nozzle.
10. An automatic detection device for high-temperature melt according to any one of claims 1 to 8, wherein the gas nozzle and the pressure detector are made of high-temperature resistant material.
CN202111130068.8A 2021-09-26 2021-09-26 Automatic detection device for high-temperature melt Pending CN113932879A (en)

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Application Number Priority Date Filing Date Title
CN202111130068.8A CN113932879A (en) 2021-09-26 2021-09-26 Automatic detection device for high-temperature melt

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Application Number Priority Date Filing Date Title
CN202111130068.8A CN113932879A (en) 2021-09-26 2021-09-26 Automatic detection device for high-temperature melt

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CN113932879A true CN113932879A (en) 2022-01-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996009414A1 (en) * 1993-03-24 1996-03-28 SSAB Tunnplåt AB A method of adapting the amounts of additives such as deoxidizers and/or alloying elements
JP2003049215A (en) * 2001-08-03 2003-02-21 Kawaso Electric Industrial Co Ltd Instrument for measuring level of molten metal
JP2008292072A (en) * 2007-05-25 2008-12-04 Takuma Co Ltd Level measuring method and device for ash melting furnace
JP2009300010A (en) * 2008-06-13 2009-12-24 Takuma Co Ltd Level measuring method and level measuring device for ash melting furnace
CN106197346A (en) * 2016-07-07 2016-12-07 清华大学 Measure the device of combustion oil layer thickness
CN207215234U (en) * 2017-05-05 2018-04-10 江西瑞林稀贵金属科技有限公司 A kind of key detection device of high-temperature fusant one

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996009414A1 (en) * 1993-03-24 1996-03-28 SSAB Tunnplåt AB A method of adapting the amounts of additives such as deoxidizers and/or alloying elements
JP2003049215A (en) * 2001-08-03 2003-02-21 Kawaso Electric Industrial Co Ltd Instrument for measuring level of molten metal
JP2008292072A (en) * 2007-05-25 2008-12-04 Takuma Co Ltd Level measuring method and device for ash melting furnace
JP2009300010A (en) * 2008-06-13 2009-12-24 Takuma Co Ltd Level measuring method and level measuring device for ash melting furnace
CN106197346A (en) * 2016-07-07 2016-12-07 清华大学 Measure the device of combustion oil layer thickness
CN207215234U (en) * 2017-05-05 2018-04-10 江西瑞林稀贵金属科技有限公司 A kind of key detection device of high-temperature fusant one

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