CN111504418B - Liquid level detection device for molten metal and liquid level detection method for melting furnace - Google Patents
Liquid level detection device for molten metal and liquid level detection method for melting furnace Download PDFInfo
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- CN111504418B CN111504418B CN202010429523.3A CN202010429523A CN111504418B CN 111504418 B CN111504418 B CN 111504418B CN 202010429523 A CN202010429523 A CN 202010429523A CN 111504418 B CN111504418 B CN 111504418B
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- 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
- G01F23/003—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 with a probe suspended by rotatable arms
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- 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
Abstract
The invention relates to the field of liquid level detection, in particular to a liquid level detection device of molten metal, which comprises a rotating mechanism, a lifting mechanism and a position measuring mechanism, the elevating mechanism is arranged on the rotating mechanism and is driven by the rotating mechanism to move horizontally, the position measuring mechanism is arranged on the elevating mechanism and is driven by the elevating mechanism to move vertically, the position measuring mechanism comprises two conductive probes and a slag removing plate, the conductive probes and the slag removing plate respectively extend downwards, the bottom ends of the two conductive probes are flush with the same horizontal plane, the bottom end position of the conductive probe is higher than the bottom edge position of the slag removing plate, the conductive probe is internally communicated with a detection current, the two conductive probes contact the molten metal to form a current loop to identify the liquid level height, the movement of the position measuring mechanism is controlled by a mechanism with a plurality of degrees of freedom, the flexibility is better, and the measurement is carried out after slag is stirred firstly, so that the measurement precision is higher.
Description
Technical Field
The invention relates to the field of liquid level detection, in particular to a liquid level detection device of molten metal and a liquid level detection method of a melting furnace.
Background
The existing liquid level detection is to measure the height of the liquid level in a furnace by manually taking a steel ruler, and after the measured data is obtained, the metal liquid is put into the furnace for detection. The height difference of the liquid level in the furnace is obtained through two times of measurement, so that the volume of the newly added molten metal in the furnace is known, other metals in corresponding proportion are put into the furnace according to the components of the required alloy liquid, the environment is relatively severe due to high field temperature, potential safety hazards exist when the furnace is operated beside a furnace mouth, and the data error through manual measurement is large;
in the process of putting molten metal into a furnace, a layer of scum is formed on the surface of the molten metal, the scum is easy to remain on a detection device, the use of the detection device is influenced, and the scum needs to be manually stirred off when the height is manually detected every time, so that the working efficiency is influenced;
therefore, an automatic liquid level detection device capable of detecting the liquid level of the molten metal while skimming the metal slag when detecting the liquid level needs to be designed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a liquid level detection device of molten metal and a liquid level detection method of a melting furnace.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a liquid level detection device of metal melt, includes slewing mechanism, elevating system, position finding mechanism, elevating system locates on the slewing mechanism and drives the horizontal migration by slewing mechanism, position finding mechanism locates on the elevating system and drives vertical removal by elevating system, position finding mechanism includes two electrically conductive probes, dials the slag plate, electrically conductive probe, dial the slag plate downwardly extending respectively, the bottom parallel and level of two electrically conductive probes are on same horizontal plane, and the bottom position of electrically conductive probe is higher than dials slag plate base position, lead to in the electrically conductive probe and have the measuring current, two electrically conductive probe contact metal melt will form the electric current return circuit in order to discern the liquid level height.
Furthermore, the lifting mechanism comprises a first lifting component and a second lifting component, the first lifting component is connected with the rotating mechanism and can move up and down relative to the rotating mechanism, the second lifting component is connected with the first lifting component and can move up and down relative to the first lifting component, and the position measuring mechanism is arranged on the second lifting component.
Further, first lifting unit includes first drive assembly, driving arm, two fixing bases, the top and the bottom of driving arm are located respectively to two fixing bases, driving arm one side is equipped with the slide rail and can removes on the slide rail, first drive assembly includes first motor, first chain, driving arm sprocket, first tensioning sprocket, second tensioning sprocket, the driving arm sprocket is connected with the first motor of locating driving arm one side, the upper and lower both sides of driving arm sprocket are located respectively to first tensioning sprocket, second tensioning sprocket, first chain is connected with the meshing in the first tensioning sprocket outside, inside of the driving arm sprocket, the second tensioning sprocket outside in proper order, and two fixing bases are fixed in respectively in first chain both ends, first motor drive driving arm sprocket rotates and can drive the driving arm and reciprocate.
Further, the second lifting component comprises a driven arm, a sliding block and a second driving component, the driven arm is connected with the driving arm in a sliding mode through the sliding block, a mounting seat is arranged at the top end of the driven arm and at the bottom end of the driven arm respectively, the second driving component comprises a second motor, a second chain, a first driven arm chain wheel and a second driven arm chain wheel, the first driven arm chain wheel is arranged on the mounting seat at the top end, the second driven arm chain wheel is arranged on the mounting seat at the bottom end, the second motor is arranged at the top end of the driven arm, the first driven arm chain wheel is connected with the second motor, and the second chain is connected with the first driven arm chain wheel and the second driven arm chain wheel in a surrounding mode to drive the driven arm to move up and down.
Furthermore, still be equipped with first support, second support on the driven arm, two conductive probe locate on the first support, still be equipped with the fixed plate that extends along the bottom on the driven arm, the second support is located on the fixed plate, it locates on the second support to dial the sediment board.
Furthermore, the position measuring mechanism further comprises an insulating sleeve, the conductive probes are respectively sleeved with the insulating sleeve, and the two conductive probes are respectively distributed on two sides of the slag removing plate.
Further, still include the base, be equipped with moving mechanism on the base, moving mechanism includes two tracks, removes the bottom plate, two track parallel arrangement are in the base top, remove the bottom plate frame and locate on the track, slewing mechanism locates on the removal bottom plate.
Furthermore, slewing mechanism includes first cantilever, second cantilever, third motor, fourth motor, first cantilever rotatable coupling locate on the removal bottom plate, second cantilever rotatable coupling locate on the first cantilever, third motor, fourth motor can be respectively independent control first cantilever and second cantilever rotate at the horizontal direction.
Furthermore, the second cantilever is connected with a lifting mechanism, a hand wheel and a hand wheel support are arranged on the second cantilever, a first hand wheel chain wheel and a third chain are arranged on the hand wheel support, a second hand wheel chain wheel is further arranged on the lifting mechanism, the third chain is used for connecting the first hand wheel chain wheel with the second hand wheel chain wheel in an encircling manner, and the lifting mechanism is manually controlled through the hand wheel.
A method for detecting the liquid level of a melting furnace comprises the following steps:
step one, a rotating mechanism drives a lifting mechanism and a position measuring mechanism to move to the position above the liquid level of molten metal in a melting furnace;
step two, the lifting mechanism drives the position measuring mechanism to descend for a certain distance, so that the slag removing plate is inserted into the liquid level of the molten metal, the conductive probes are positioned at the position from the liquid level to the upper part, the rotating mechanism swings for a certain angle, so that the slag removing plate removes the scum on the surface of the liquid level to the outer side to form a scum-free liquid level range, and the rotating mechanism stops at the final position after finishing slag removing so that the two conductive metal probes are positioned above the scum-free liquid level range;
and step three, the lifting mechanism descends again, when the two metal probes contact the molten metal, the two conductive probes form a current loop, the lifting mechanism stops descending at the same time, and the height position of the liquid level of the molten metal in the melting furnace can be measured and calculated through the position information of the lifting mechanism at the moment.
It can be known from the above description of the present invention that, compared with the prior art, the liquid level detection device of molten metal provided by the present invention is provided with the lifting mechanism, the rotating mechanism and the moving mechanism, which are used for providing a plurality of degrees of freedom for the device, so that the detection device can independently or simultaneously perform vertical movement, horizontal swinging, and front-back movement; the driving arm and the driven arm are in sliding connection, so that the driving arm can drive the driven arm to lift, and the driven arm can independently lift, and the space is saved; the two rotating arms are arranged to achieve higher flexibility; the driving arm and the driven arm are independently driven by independent driving components, so that the driving arm and the driven arm can independently move and do not interfere with each other; the bottom end position of the conductive probe is higher than the bottom edge position of the slag removing plate, so that the slag removing plate firstly contacts the molten metal during each work; the two conductive probes are respectively arranged at the two sides of the slag removing plate and have the function that the conductive probes can be positioned at the position close to the center of the liquid level range without scum; the detection device can firstly pull away the scum on the liquid level of the molten metal and then carry out liquid level detection, thereby improving the detection precision, preventing the scum from remaining on the conductive probe and improving the working efficiency; the flexibility of the detection device is good, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a schematic front view of a molten metal level detecting apparatus according to the present invention.
FIG. 2 is a schematic view showing a position measuring mechanism of a molten metal level measuring apparatus according to the present invention.
FIG. 3 is a schematic side view of a molten metal level detecting apparatus according to the present invention.
FIG. 4 is a schematic sectional view of an elevating mechanism of a molten metal level detecting apparatus according to the present invention.
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
FIG. 6 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
The labels in the figure correspond to the following: 1. the positioning mechanism comprises a positioning mechanism, 11 conductive probes, 12 slag removing plates, 13 insulating sleeves, 2 lifting mechanisms, 21 first lifting components, 211 driving arms, 212 fixing seats, 22 first driving components, 221 first motors, 222 first chains, 223 driving arm chain wheels, 224 first tensioning wheels, 225 second tensioning wheels, 23 second lifting components, 231 driven arms, 232 sliding blocks, 233 first supporting seats, 234 second supporting seats, 235 fixing plates, 236 mounting seats, 24 second driving components, 241 second motors, 242 second chains, 243 first driven arm chain wheels, 244 second driven arm chain wheels, 3 rotating mechanisms, 31 first suspension arms, 32 second suspension arms, 321 hand wheels, 322 hand wheel supporting seats, 323 first hand wheel chain wheels, 324 second hand wheel chain wheels, 325 third chains, 33 third motors, 34 fourth motors, 4. The moving mechanism 41, the base, 42, the rail and 43 move the bottom plate.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 6, the molten metal level detecting apparatus includes a position measuring mechanism 1, a lifting mechanism 2, a rotating mechanism 3, and a moving mechanism 4.
The lifting mechanism 2 is arranged on the rotating mechanism 3 and is driven by the rotating mechanism 3 to move horizontally, the position measuring mechanism 1 is arranged on the lifting mechanism 2 and is driven by the lifting mechanism 2 to move vertically, and the moving mechanism 4 is connected with the rotating mechanism 3 and drives the rotating mechanism 3 and the lifting mechanism 2 to move back and forth.
Position finding mechanism 1 includes two electrically conductive probes 11, dials slag plate 12, electrically conductive probe 11, dial slag plate 12 respectively downwardly extending, and two electrically conductive probes 11's bottom parallel and level easily form the return circuit on same horizontal plane, and electrically conductive probe 11's bottom position is higher than dials 12 base positions of slag plate, for make and dial slag plate 12 and contact the metal melt earlier, electrically conductive probe 11 expert has detection current, and two electrically conductive probe 11 contact metal melt will form the current loop in order to discern the liquid level height. The position finding mechanism 1 is arranged on a driven arm 231 of the lifting mechanism 2, a first support 233 and a second support 234 are further arranged on the driven arm 231, the two conductive probes 11 are arranged on the first support 233, a fixing plate 235 extending along the bottom is further arranged on the driven arm 231, the second support 234 is arranged on the fixing plate 235, the slag removing plate 12 is arranged on the second support 234, the position finding mechanism 1 further comprises an insulating sleeve 13, the conductive probes 11 are respectively sleeved with the insulating sleeve 13, and the two conductive probes 11 are respectively distributed on two sides of the slag removing plate 12, so that the conductive probes 11 can be positioned at the position close to the center of the liquid level range without scum.
The lifting mechanism 2 comprises a first lifting component 21 and a second lifting component 23, the first lifting component 21 is connected with the rotating mechanism 3 and can move up and down relative to the rotating mechanism 3, the second lifting component 23 is connected with the first lifting component 21 and can move up and down relative to the first lifting component 21, and the position measuring mechanism 1 is arranged on the second lifting component 23. The first lifting assembly 21 includes a first driving assembly 22, a driving arm 211, and two fixing bases 212, the two fixing seats 212 are respectively arranged at the top end and the bottom end of the driving arm 211, one side of the driving arm 211 is provided with a slide rail and can move on the slide rail, the first driving assembly 22 includes a first motor 221, a first chain 222, a driving arm sprocket 223, a first tension sprocket 224, a second tension sprocket 225, the driving arm sprocket 223 is connected to a first motor 221 provided at one side of the driving arm 211, the first tension sprocket 224 and the second tension sprocket 225 are respectively provided at upper and lower sides of the drive arm sprocket 223, the first chain 222 is engaged with the outer side of the first tension sprocket 224, the inner side of the drive arm sprocket 223 and the outer side of the second tension sprocket 225 in sequence, two ends of the first chain 222 are respectively fixed on the two fixing seats 212, and the first motor 221 drives the driving arm chain wheel 223 to rotate so as to drive the driving arm 211 to move up and down; the first motor 221 rotates forward and backward to drive the drive arm chain wheel 223 to rotate so as to drive the first tensioning chain wheel 224 and the second tensioning chain wheel 225 to rotate, so that the drive arm 211 is controlled to move vertically.
The second lifting assembly 23 comprises a driven arm 231, a sliding block 232 and a second driving assembly 24, the driven arm 231 is slidably connected with the driving arm 211 through the sliding block 232, the top end and the bottom end of the driven arm 231 are respectively provided with a mounting seat 236, the second driving assembly 24 comprises a second motor 241, a second chain 242, a first driven arm chain wheel 243 and a second driven arm chain wheel 244, the first driven arm chain wheel 243 is arranged on the mounting seat 236 at the top end, the second driven arm chain wheel 244 is arranged on the mounting seat 236 at the bottom end, the second motor 241 is arranged on a support seat at one side of the top end of the driven arm 231, the second motor is arranged at the top end of the driven arm 231 because the driven arm is arranged at a higher position to prevent the position from being affected by the temperature of the molten metal when the position is too low, the first driven arm chain wheel 243 is connected with the second motor 241, the second chain 242 is connected with the first driven arm chain wheel 243 and the second driven arm chain wheel 244 in a surrounding manner, the first driven arm chain wheel 243 is driven to rotate, so that the second driven arm chain wheel 244 is driven to rotate, and the driven arm 231 is driven to move vertically.
The moving mechanism 4 is arranged on a base 41, the moving mechanism 4 comprises two rails 42 and a moving bottom plate 43, the two rails 42 are arranged on the top of the base 41 in parallel, and the moving bottom plate 43 is erected on the rails 42. The rotating mechanism 3 comprises a first cantilever 31, a second cantilever 32, a third motor 33 and a fourth motor 34, the first cantilever 31 is rotatably connected to the moving base plate 43, the second cantilever 32 is rotatably connected to the first cantilever 31, the third motor 33 and the fourth motor 34 can respectively and independently control the first cantilever 31 and the second cantilever 32 to move horizontally, the first cantilever 31 and the second cantilever 32 can simultaneously and independently complete the movement within a certain angle range in the horizontal direction, so that the first cantilever 31 and the second cantilever 32 can form an included angle, and the flexibility is better. The second boom 32 is connected to the lifting mechanism 2. The second cantilever 32 is provided with a hand wheel 321 and a hand wheel support 322, the hand wheel support 322 is provided with a first hand wheel chain wheel 323 and a third chain 325, the first motor of the lifting mechanism is further provided with a second hand wheel chain wheel 324, the third chain 325 connects the first hand wheel chain wheel 324 and the second hand wheel chain wheel 325 in a surrounding manner, the lifting mechanism 2 can be controlled to move by rotating the hand wheel 321, and the hand wheel has the function that when equipment fails, the lifting motor can be opened to brake, and the driving arm and the driven arm can be taken out of the furnace through the hand wheel.
The working principle of the liquid level detection device for molten metal is as follows:
starting a system, preliminarily detecting the liquid level height, calculating the volume of molten metal to be added in the furnace, and calculating the final liquid level height and the measurement time; manually moving the water tank to an inlet of the melting furnace, and removing the plug to enable the molten metal to flow from the mother furnace to the melting furnace along the water tank; the liquid level is detected at intervals under the control of a program until the liquid level in the melting furnace reaches a designated position; after the liquid level is in place, the liquid outlet of the primary furnace is manually blocked, the water tank is evacuated after the metal liquid in the water tank flows out, the rear side door is closed, the right side door is closed, the melting furnace returns to the right position, casting is carried out, and the system is closed.
The liquid level detection device in the system is completed by the following steps:
firstly, a rotating mechanism 3 drives a lifting mechanism 2 and a position measuring mechanism 1 to move above the liquid level of molten metal in a melting furnace;
step two, the lifting mechanism 2 drives the position measuring mechanism 1 to descend for a certain distance, so that the slag poking plate 12 is inserted into the liquid level of the molten metal, the conductive probes 11 are positioned at the positions from the liquid level to the upper part, the rotating mechanism 3 swings for a certain angle, the scum on the surface of the liquid level is poked outwards by the slag poking plate 12 to form a scum-free liquid level range, and the rotating mechanism 3 stops at the final position after the scum poking so that the two conductive metal probes 11 are both positioned above the scum-free liquid level range;
and step three, the lifting mechanism 2 descends again, when the two metal probes 11 contact the molten metal, the two conductive probes 11 form a current loop, the lifting mechanism 2 stops descending at the same time, and the height position of the liquid level of the molten metal in the melting furnace can be measured and calculated through the position information of the lifting mechanism 2 at the moment.
By adopting the liquid level detection device, the batching time is effectively saved, the production benefit is improved, and the labor intensity of workers is reduced.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (5)
1. A molten metal level detecting apparatus, characterized in that: the device comprises a rotating mechanism, a lifting mechanism and a position measuring mechanism, wherein the lifting mechanism is arranged on the rotating mechanism and is driven by the rotating mechanism to horizontally move, the position measuring mechanism is arranged on the lifting mechanism and is driven by the lifting mechanism to vertically move, the position measuring mechanism comprises two conductive probes and a slag removing plate, the conductive probes and the slag removing plate respectively extend downwards, the bottom ends of the two conductive probes are flush with the same horizontal plane, the bottom end positions of the conductive probes are higher than the bottom edge positions of the slag removing plate, a detection current is conducted in the conductive probes, and the two conductive probes contact metal melt to form a current loop so as to identify the liquid level height; the lifting mechanism comprises a first lifting component and a second lifting component, the first lifting component is connected with the rotating mechanism and can move up and down relative to the rotating mechanism, the second lifting component is connected with the first lifting component and can move up and down relative to the first lifting component, and the position measuring mechanism is arranged on the second lifting component; the first lifting assembly comprises a first driving assembly, a driving arm and two fixing seats, the two fixing seats are respectively arranged at the top end and the bottom end of the driving arm, a slide rail is arranged on one side of the driving arm and moves on the slide rail, the first driving assembly comprises a first motor, a first chain, a driving arm chain wheel, a first tensioning chain wheel and a second tensioning chain wheel, the driving arm chain wheel is connected with the first motor arranged on one side of the driving arm, the first tensioning chain wheel and the second tensioning chain wheel are respectively arranged on the upper side and the lower side of the driving arm chain wheel, the first chain is sequentially meshed and connected with the outer side of the first tensioning chain wheel, the inner side of the driving arm chain wheel and the outer side of the second tensioning chain wheel, two ends of the first chain are respectively fixed on the two fixing seats, and the first motor drives the driving arm chain wheel to rotate so as to drive the driving arm to move up and down; the second lifting assembly comprises a driven arm, a sliding block and a second driving assembly, the driven arm is connected with the driving arm in a sliding mode through the sliding block, a mounting seat is arranged at the top end and the bottom end of the driven arm respectively, the second driving assembly comprises a second motor, a second chain, a first driven arm chain wheel and a second driven arm chain wheel, the first driven arm chain wheel is arranged on the mounting seat at the top end, the second driven arm chain wheel is arranged on the mounting seat at the bottom end, the second motor is arranged at the top end of the driven arm, the first driven arm chain wheel is connected with the second motor, and the second chain is connected with the first driven arm chain wheel and the second driven arm chain wheel in a surrounding mode and drives the driven arm to move up and down; the driven arm is also provided with a first support and a second support, the two conductive probes are arranged on the first support, the driven arm is also provided with a fixing plate extending along the bottom, the second support is arranged on the fixing plate, and the slag removing plate is arranged on the second support; the base is further included, a moving mechanism is arranged on the base and comprises two rails and a moving bottom plate, the two rails are arranged at the top of the base in parallel, the moving bottom plate is arranged on the rails, and the rotating mechanism is arranged on the moving bottom plate.
2. The apparatus for detecting the level of molten metal according to claim 1, wherein: the position measuring mechanism further comprises insulating sleeves, the conductive probes are respectively sleeved with the insulating sleeves, and the two conductive probes are respectively distributed on two sides of the slag removing plate.
3. The apparatus for detecting the level of molten metal according to claim 1, wherein: the rotating mechanism comprises a first cantilever, a second cantilever, a third motor and a fourth motor, the first cantilever is rotatably connected to the moving bottom plate, the second cantilever is rotatably connected to the first cantilever, and the third motor and the fourth motor respectively and independently control the first cantilever and the second cantilever to rotate in the horizontal direction.
4. The apparatus for detecting the level of molten metal according to claim 3, wherein: the second cantilever is connected with the lifting mechanism, a hand wheel and a hand wheel support are arranged on the second cantilever, a first hand wheel chain wheel and a third chain are arranged on the hand wheel support, a second hand wheel chain wheel is further arranged on the lifting mechanism, the third chain is used for connecting the first hand wheel chain wheel with the second hand wheel chain wheel in a surrounding mode, and the lifting mechanism is manually controlled through the hand wheel.
5. A method for detecting the liquid level of a melting furnace is characterized by comprising the following steps: the apparatus for detecting the level of molten metal according to any one of claims 1 to 4, comprising:
firstly, a rotating mechanism drives a lifting mechanism and a position measuring mechanism to move above the liquid level of molten metal in a melting furnace;
step two, the lifting mechanism drives the position measuring mechanism to descend for a certain distance, so that the slag removing plate is inserted into the liquid level of the molten metal, the conductive probes are positioned at the position from the liquid level to the upper part, the rotating mechanism swings for a certain angle, so that the slag removing plate removes the scum on the surface of the liquid level to the outer side to form a scum-free liquid level range, and the rotating mechanism stops at the final position after finishing slag removing so that the two conductive metal probes are positioned above the scum-free liquid level range;
and step three, the lifting mechanism descends again, when the two metal probes contact the molten metal, the two conductive probes form a current loop, the lifting mechanism stops descending at the same time, and the height position of the liquid level of the molten metal in the melting furnace at the moment is measured and calculated according to the position information of the lifting mechanism at the moment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010429523.3A CN111504418B (en) | 2020-05-20 | 2020-05-20 | Liquid level detection device for molten metal and liquid level detection method for melting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010429523.3A CN111504418B (en) | 2020-05-20 | 2020-05-20 | Liquid level detection device for molten metal and liquid level detection method for melting furnace |
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| CN111504418B true CN111504418B (en) | 2022-08-12 |
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| CN109238398A (en) * | 2018-04-25 | 2019-01-18 | 西安麦特沃金液控技术有限公司 | A kind of liquid level detection device and liquid-level detecting method |
| CN209570249U (en) * | 2019-03-26 | 2019-11-01 | 科立视材料科技有限公司 | Platinum channel level gauging platinum probe mechanism |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524024A (en) * | 1975-08-06 | 1978-09-06 | Nsf Control Ltd | Liquid-level indicators |
| JP2001304937A (en) * | 2000-04-27 | 2001-10-31 | Tokyo Electron Ltd | Liquid level-sensing device and method |
| CN1347779A (en) * | 2001-09-29 | 2002-05-08 | 甘肃工业大学 | Metal liquid level detecting and controlling unit for hot continuous casting |
| CN201698236U (en) * | 2010-06-13 | 2011-01-05 | 乳源东阳光精箔有限公司 | Aluminum liquid level control device and liquid level alarm controller thereof |
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| CN209570249U (en) * | 2019-03-26 | 2019-11-01 | 科立视材料科技有限公司 | Platinum channel level gauging platinum probe mechanism |
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| CN111504418A (en) | 2020-08-07 |
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Address after: 362000 No. 256, Xiazhuang village, Zhuangtian village, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Applicant after: Fujian Weibai industrial robot Co.,Ltd. Address before: 362000 4th floor, phase 2, National Science and technology incubator, 518 Beiqing East Road, Fengze District, Quanzhou City, Fujian Province Applicant before: QUANZHOU VIBOT INDUSTRIAL ROBOT RESEARCH INSTITUTE Co.,Ltd. |
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