CN104330411B - Device and method for dynamically observing and simulating behaviors of molten drops in electric slag remelting process - Google Patents
Device and method for dynamically observing and simulating behaviors of molten drops in electric slag remelting process Download PDFInfo
- Publication number
- CN104330411B CN104330411B CN201410624256.XA CN201410624256A CN104330411B CN 104330411 B CN104330411 B CN 104330411B CN 201410624256 A CN201410624256 A CN 201410624256A CN 104330411 B CN104330411 B CN 104330411B
- Authority
- CN
- China
- Prior art keywords
- wood
- metal pole
- molten drop
- pole
- dynamic
- 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.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to a device and a method for dynamically observing and simulating behaviors of molten drops in an electric slag remelting process, belonging to the technical field of metallurgy. The device comprises a quartz beaker, an insulating bracket, a pressure regulator, an infrared thermal imager and a high-speed camera, wherein the quartz beaker and a dividing ruler are located on a platform; a fixed pulley device is suspended on an upper crossbeam, and a Wood's metal round bar is suspended on a rope or a movable cross beam; the Wood's metal round bar is connected with the pressure regulator, and the lower part of the Wood's metal round bar is inserted into a conducting solution; the infrared thermal imager and the high-speed camera are opposite to the bottom end of the Wood's metal round bar. The method comprises the following steps: (1) adjusting the insertion depth of the Wood's metal round bar inserted in the conducting solution, and applying an electric current; (2) generating the molten drops at the bottom end of the Wood's metal round bar, and then the molten drops drip; (3) carrying out real-time dynamic photographing on the dripping process of the molten drops; and (4) observing the temperature distribution of a slag pond in the generation and dripping processes of the molten drops. According to the device and the method, the changes on the morphology and size of an electrode when the molten drops are generated from the tail end of the electrode and drip can be clearly observed in detail.
Description
Technical field
The invention belongs to metallurgical technology field, more particularly to a kind of dynamic observatory control esr process molten drop behavior
Device and method.
Background technology
In esr process, electrode melting end molten drop forms and drips behavior, the change of molten drop appearance and size etc. not only
The Surface Renewal for affecting molten drop is also golden with slag（Drop）The heat transmission of interface is closely related, and then affects Zha Jin circle
The removal of impurity element in the physical-chemical reaction and metal drop in face, the quality, composition and degree of purity to electroslag ingot has
Material impact.However, under the conditions of industrial practice, because melting system is in high temperature, opaque state and has water-cooled
The presence of crystallizer, directly observation electrode end molten drop is formed and drippage behavior seems unlikely, therefore, melt with transparent
Refining system come physical modeling's esr process seem it is necessary also highly significant.
There is document to point out, the physical property such as Wood's metal viscosity, density is similar to molten iron, and certain density NaCl
Solution then has and the electroslag remelting similar electrical conductivity of slag, therefore can be used to build up transparent melting system to electroslag
Reflow process carries out physical modeling.
Document " arcing events in esr process in slag bath " discloses a kind of electroslag remelting oscillography and shines as line
Lu Tu, replaces esr process consutrodes, slag and crystallizer with Wood's metal, NaCl solution and glass beaker respectively,
The change of electric current and sound with oscillography photographic recorder, finds the oscillogram of its electric current and sound, and is carried out using similar installation
Esr process electric current and sound oscillogram there is similar feature（Respectively with bearing quality steel as consutrodes, steel crystallization
Device and corresponding composition slag）, illustrate that the two process has certain similarity.However, because electrode melting end molten drop is formed
And drippage process is very of short duration, the device that the method is provided apparent cannot form in detail and drip process its pattern to molten drop
Size and bath temperature enter Mobile state observation.
Document " The role played by the electric current on metal droplet
Formation in the ESR process " then adopt similar installation, with Wood's metal, NaCl solution and glass beaker difference
Replace consutrodes, slag and crystallizer to simulate esr process, consutrodes are maintained by corresponding control system（5
Moral alloy bar）With another pole（Mo rings）The distance between be definite value, the method is by recording total molten drop drippage number in certain time period
And total melted alloy weight is calculating the average weight of each molten drop；However, due to Wood's metal and larger close of NaCl solution
Degree difference and cause that drippage process is very of short duration, droplet shape is changeful, therefore by the same nothing of document offer device system
Method clearly observes in detail the dynamic change behavior that molten drop is formed and drips process, it is impossible to and to droplet size size and molten bath temperature
Degree field is observed.
The content of the invention
Exist for existing simulation esr process observation molten drop formation, drippage behavior and slag bath Temperature Distribution technology
The problems referred to above, the present invention provides a kind of device and method of dynamic observatory control esr process, using Wood's metal pole,
NaCl solution and quartz beaker replace respectively consutrodes, slag and crystallizer, increase melting speed control system, by high-speed photography
Machine and infrared thermography obtain dynamic image, realize that molten drop is formed, drippage behavior and the observation of slag bath Temperature Distribution are controlled.
The device of the dynamic observatory control esr process molten drop behavior of the present invention is including quartz beaker, with entablature
Insulating support, pressure regulator, infrared thermography and high-speed camera with sill；Quartz beaker and for measuring consutrodes
The rule of insertion conducting solution depth is located on platform；Fixed pulley is hung with entablature, as the 5 of consutrodes
Moral alloy pole is suspended on the rope of fixed pulley, or is suspended on dynamic crossbeam and moves the rope that crossbeam is suspended on fixed pulley
On；Simultaneously Wood's metal pole is connected by the wire inlayed in it with pressure regulator, the bottom insertion quartz of Wood's metal pole
In the conducting solution as slag inside beaker；It is outer and with 5 that infrared thermography and high-speed camera are placed on quartz beaker
Moral alloy pole bottom is relative.
It it is one or paired two groups as the Wood's metal pole of consutrodes in said apparatus；When Wood's metal circle
When rod is one, Wood's metal pole is suspended on the rope of fixed pulley；When Wood's metal pole is paired two group, Wood
Alloy pole is suspended on dynamic crossbeam.
It it is one or paired two groups as the Wood's metal pole of consutrodes in said apparatus；When Wood's metal circle
When rod is one, Wood's metal pole is connected by wire with a pole of pressure regulator, and molybdenum sheet is provided with inside quartz beaker by leading
Line is connected with another pole of pressure regulator；When Wood's metal pole is paired two group, every group of Wood's metal pole passes through respectively
Wire is connected with the two poles of the earth of pressure regulator.
In said apparatus, thermometer is fixed with sill, in the conducting solution inside thermometer insertion quartz beaker.
In said apparatus, the central part on the top of Wood's metal pole is inlaid with split pin, and Wood's metal pole is by opening
Mouth pin links together with the rope of fixed pulley or dynamic crossbeam.
In said apparatus, pressure regulator is in parallel with digital display voltmeter, sets on the wire that pressure regulator is connected with Wood's metal pole
There is digital display ammeter.
Above-mentioned pressure regulator is contact automatic coupling voltage regulator.
Above-mentioned infrared thermography and high-speed camera is connected with a computer simultaneously.
The method of a kind of dynamic observatory control esr process molten drop behavior of the present invention is to adopt said apparatus, by with
Lower step is carried out：
1st, the depth that Wood's metal pole inserts conducting solution is adjusted by fixed pulley and rule；Pass through
Pressure regulator to Wood's metal pole and conducting solution apply electric current；Wherein when there is a Wood's metal pole in quartz beaker,
Wood's metal pole, conducting solution, molybdenum sheet and pressure regulator constitute power circuit；Close when there is paired two group Wood in quartz beaker
During golden pole, two groups of Wood's metal poles, conducting solution and pressure regulators constitute power circuit；The wherein size of Wood's metal pole
The relation and size of quartz beaker between is arranged according to the requirement of diameter relative cylinder charge in esr process；
2nd, in current course is applied, Wood's metal pole bottom initially forms molten drop and then starts drippage；
3rd, when molten drop is formed and drips process stabilization, the drippage process of molten drop is moved in real time by high-speed camera
State shoots, while recording to the electric current and change in voltage in power circuit；The molten drop of electrode end drippage is intercepted with sample spoon,
Then weigh；
4th, the slag bath Temperature Distribution during being formed and dripped by infrared thermography real-time monitored molten drop, and and temperature
Meter measurement result is compareed.
In said method, as the bottom of Wood's metal pole is gradually melted, according to the registration of rule, by fixed pulley
Device adjusts the height of entablature, and then adjusts the depth that Wood's metal pole inserts conducting solution, makes Wood's metal pole
Burn-off rate is constant.
Above-mentioned diameter relative cylinder charge is the diameter ratio of Wood's metal pole and quartz beaker, simulation consutrodes and crystallizer
Between diameter ratio.
In said method, when there is a Wood's metal pole in quartz beaker, different-diameter relative cylinder charge, electricity are studied emphatically
Insert conducting solution depth and melting voltage process parameter in pole；When there is paired two group Wood's metal pole in quartz beaker,
Electrode spacing, electrode are inserted under conducting solution depth and melting voltage conditions emphatically, electrode melting end molten drop is formed, drippage
The impact of state and slag bath Temperature Distribution is observed and analyzes.
In said method, the frame per second of the high-speed camera for adopting is per second for 200 frames；
In said method, molten drop forms and drips process stabilization and refers to：When melting voltage, the timing of diameter relative cylinder charge one, delay
Slowly electrode insertion conducting solution depth is continuously adjusted, current value fluctuates in ± 10% model in power circuit during molten drop drippage
Enclose interior and keep more than 10min.
In said method, conducting solution is adopted for NaCl solution, concentration is 0.1221 mol/L, electrical conductivity is 1.47 S
m-1。
The present invention is a kind of to realize the physical modeling to esr process using transparent melting system and possess online
Dynamic observes the device of the formation of esr process molten drop, drippage behavior and slag bath area Temperature Distribution and realizes this kind of observation control
Method；The electrical conductivity of adopted NaCl solution is close with the conventional slag system electrical conductivity of Electroslag Process, by using high-speed camera
Electrode end molten drop is formed, behavior and correspondence loop current, the shooting of change in voltage is dripped, clearly not only can be seen in detail
Examine electrode melting end molten drop to be formed and drippage process its appearance and size change, while being also beneficial to set up this process loop electricity
The corresponding relation of parameter and molten drop drip phenomenon；The slag bath of process is dripped to electrode melting end molten drop by infrared thermography
The online real-time monitored of area's Temperature Distribution.
Because electrode end molten drop is formed, dripped through slag bath and into slag contact area meeting during metal bath etc.
Certain impact is produced the reaction between slag steel, the present invention is by conductive molten to different-diameter relative cylinder charge, melting voltage, electrode insertion
Droplet size, drop frequency under liquid depth conditions and the observation of slag bath temperature field, record, can effectively obtain as anti-between slag steel
The test parameterss of sound response dynamic conditions should be provided, objectionable impurities will be also effectively promoted while intensified metallurgy reacts
The exclusion of element and non-metallic inclusion；Further, since the distribution in slag bath temperature field will greatly affect the temperature of metal bath
Distribution；Therefore, the present invention under different conditions slag bath temperature field observation be beneficial to we obtain be conducive to remelting steel
Ingot obtains the test parameterss of well-crystallized tissue；In a word, by being to the observation of molten drop end molten drop behavior in the present invention
Actual electroslag remelting commercial production is provided with Radix Talini Paniculati and examines.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram of the dynamic observatory control esr process molten drop behavior of the embodiment of the present invention 1；
Fig. 2 is the apparatus structure schematic diagram of the dynamic observatory control esr process molten drop behavior of the embodiment of the present invention 2；
In figure, 1, fixed pulley, 2, insulating support, 3, thermometer, 4, quartz beaker, 5, infrared thermography, 6, meter
Calculation machine, 7, supporting table, 8, cooled copper, 9, conducting solution, 10, high-speed camera, 11, rule, 12, digital display ammeter, 13,
Pressure regulator, 14, digital display voltmeter, 15, molybdenum sheet, 16, single consutrodes, the 17, first consutrodes, the 18, second consutrodes,
19th, split pin, 20, sill, 21, entablature, 22, dynamic crossbeam；
Fig. 3 shows for the device partial structurtes of the dynamic observatory control esr process molten drop behavior of the embodiment of the present invention 2
It is intended to；
Fig. 4 is that the molten drop observed by high-speed camera in the embodiment of the present invention 1 drips process schematic；A to g is in figure
Molten drop drips each step；
Fig. 5 is the thermo parameters method schematic diagram observed by infrared thermography in the embodiment of the present invention 1；In figure, T1,
The temperature of T2, T3, T4 is respectively 85 DEG C, 80 DEG C, 77 DEG C, 75 DEG C
Fig. 6 is the thermo parameters method schematic diagram observed by infrared thermography in the embodiment of the present invention 2；In figure, T5,
The temperature of T6, T7, T8, T9 is respectively 87 DEG C, 83 DEG C, 80 DEG C, 76 DEG C, 73 DEG C.
Fig. 7 is the Wood's metal obtained after simulation esr process in the embodiment of the present invention under the conditions of relative cylinder charge
The termination shape appearance figure of pole；In figure, a, b, c, d are respectively relative cylinder charge 0.50,0.70,0.75 and 0.81；
Fig. 8 is the change curve of the equivalent diameter with relative cylinder charge of molten drop in the embodiment of the present invention；
Fig. 9 is the heavy change curve with electric current density of molten drop drop in the embodiment of the present invention.
Specific embodiment
High-speed camera model XC-HR50 adopted in the embodiment of the present invention, adopt frame per second for 200 frames it is per second.
The western TDGC2-3KVA series voltage regulators of contact automatic coupling voltage regulator model moral power adopted in the embodiment of the present invention.
Embodiment of the present invention mid-infrared imager model FLIR A315.
In the embodiment of the present invention when Wood's metal pole is paired two group, the split pin of Wood's metal pole with it is soft
Cord connects, and soft cord links together with dynamic crossbeam；Described soft cord is from cotton cord or plastic ties.
The diameter relative cylinder charge arranged in the embodiment of the present invention is 0.50 ~ 0.81.
Cooled copper is placed to accelerate metal bath to cool down, in quartz beaker bottom in the embodiment of the present invention for simulating bottom
Water tank.
Conducting solution is adopted in the embodiment of the present invention for NaCl solution, concentration is 0.1221 mol/L, and electrical conductivity is 1.47
S•m-1。
The molten drop of self-electrode end drippage is intercepted in the embodiment of the present invention using sample spoon, and goes out weight using electronic balance weighing
Amount, as molten drop drop weight.
After in the embodiment of the present invention molten drop that the electrode end of intercepting is dripped is weighed, volume is calculated according to body density,
According to its volume diameter that correspondingly globulate is calculated as equivalent diameter.
Wood's metal melted in the embodiment of the present invention and is cast into pole as consutrodes, split pin is embedded in into 5
At moral alloy pole end face center and keep split pin axially in parallel with Wood's metal pole.
Embodiment 1
Dynamic observatory control esr process molten drop behavior apparatus structure is as shown in figure 1, including quartz beaker 4, carry
The insulating support 2 of entablature and sill, pressure regulator 13, infrared thermography 5 and high-speed camera 10；Quartz beaker 4 and quarter
Degree chi 11 is located on platform；Fixed pulley 1, including fixed pulley and rope are hung with entablature, as single consutrodes
16 Wood's metal pole is suspended on the rope of fixed pulley；Simultaneously Wood's metal pole is connected by wire with pressure regulator 13,
In the conducting solution 9 as slag inside the bottom insertion quartz beaker 4 of Wood's metal pole；Infrared thermography 5 and height
It is outer and relative with Wood's metal pole bottom that fast photographing unit 10 is placed on quartz beaker 4；
Wood's metal pole is connected by wire with a pole of pressure regulator 13, molybdenum sheet 15 is provided with inside quartz beaker 4 and is passed through
Wire is connected with another pole of pressure regulator 13；
Thermometer 3 is fixed with sill, in the conducting solution 9 inside the insertion quartz beaker 4 of thermometer 3；
The central part on the top of Wood's metal pole is inlaid with split pin, and Wood's metal pole is by split pin and fixed pulley
Rope link together；
Digital display voltmeter 14 is in parallel with pressure regulator 13, and the wire that pressure regulator 13 is connected with Wood's metal pole is provided with digital display
Ammeter 12；
Infrared thermography 5 and high-speed camera 10 are connected with computer 6 simultaneously；
Cooled copper 8 and supporting table 7 are provided between quartz beaker and platform；
Dynamic observatory control esr process molten drop behavioral approach is to adopt said apparatus, is carried out according to the following steps：
1st, the depth that Wood's metal pole inserts conducting solution is adjusted by fixed pulley and rule；Pass through
Pressure regulator to Wood's metal pole and conducting solution apply electric current；Wood's metal pole, conducting solution, molybdenum sheet and pressure regulator are constituted
Power circuit；Relation wherein between the size of Wood's metal pole and the size of quartz beaker is according to straight in esr process
The requirement of footpath relative cylinder charge is arranged；
2nd, in current course is applied, Wood's metal pole bottom initially forms molten drop and then starts drippage；
3rd, when molten drop is formed and drips process stabilization, the drippage process of molten drop is moved in real time by high-speed camera
State shoots, while recording to the electric current and change in voltage in power circuit；The molten drop of electrode end drippage is intercepted with sample spoon,
Then weigh；
4th, the slag bath Temperature Distribution during being formed and dripped by infrared thermography real-time monitored molten drop, and and temperature
Meter measurement result is compareed；
As the bottom of Wood's metal pole is gradually melted, according to the registration of rule, adjusted by fixed pulley
Horizontal depth of beam, and then the depth that Wood's metal pole inserts conducting solution is adjusted, make the burn-off rate of Wood's metal pole permanent
It is fixed；
As stated above, tested under the conditions of relative cylinder charge 0.50 ~ 0.81 respectively, drippage process is as shown in figure 4, temperature
Field distribution is as shown in figure 5, the termination pattern of the Wood's metal pole after wherein four times experiments is as shown in fig. 7, the equivalent of molten drop is straight
Footpath is with the change curve of relative cylinder charge as shown in figure 8, molten drop drop weight is as shown in Figure 9 with the change curve of electric current density；
As seen from the figure, with the increase of relative cylinder charge, electrode tip pattern is gradually by taper（Parabolic type）To plane transition,
This is closely related with the Warm status of electrode and slag bath flow field；When relative cylinder charge is less, because electrode surface is by the spoke of the top of the slag
Penetrate that heat is more, and because the electric current density of kelvin effect electrode surface is very big, it is to cause electrode tip that slag bath thermal convection current is washed away
Main cause of the portion in cone；With the increase of relative cylinder charge, electrode surface is obviously reduced by the radiant heat flux of the top of the slag, alternating current
Kelvin effect weaken, the Temperature Distribution of slag bath tends to uniform；Electromagnetic agitation（Because energization reason is in slag in esr process
Chi Qu produces electromagnetic force and stirs slag bath motion）The souring of electrode end is weakened so that electrode tip is along radial direction
Temperature Distribution tend to homogenization, result in Electrode form in plane even concave surface；
With the increase of relative cylinder charge, the equivalent diameter of molten drop is in first to increase to reduce trend afterwards, is taken when relative cylinder charge is 0.60
Obtain maximum；And in fusion process, when electric current density is less than 2792.38 A/m2When, molten drop drop weight is with the increasing of electric current density
Plus and reduce rapidly, when electric current density be less than 2792.38 A/m2When, molten drop drop weight is then as the increase of electric current density slightly rises
Height, this is consistent with the result of study of Gammal etc..
Embodiment 2
The apparatus structure of dynamic observatory control esr process molten drop behavior is as shown in Fig. 2 major part and embodiment 1
Identical, difference is：
Partial structurtes are as shown in Figure 3；
It is divided into the first consutrodes and the second consutrodes as the Wood's metal pole of consutrodes, is suspended on dynamic crossbeam
Upper and dynamic crossbeam is suspended on the rope of fixed pulley；
First consutrodes and the second consutrodes are symmetrically suspended on dynamic crossbeam, each Wood's metal pole（From power consumption
Pole）It is connected with the two poles of the earth of pressure regulator by wire respectively；
Each Wood's metal pole is linked together by split pin with dynamic crossbeam；
The method of dynamic observatory control esr process molten drop behavior is to adopt said apparatus, is carried out according to the following steps：
1st, the depth that Wood's metal pole inserts conducting solution is adjusted by fixed pulley and rule；Pass through
Pressure regulator to Wood's metal pole and conducting solution apply electric current；Two groups of Wood's metal poles, conducting solution and pressure regulators are constituted
Power circuit；Relation wherein between the size of Wood's metal pole and the size of quartz beaker is according to straight in esr process
The requirement of footpath relative cylinder charge is arranged；
2nd, in current course is applied, Wood's metal pole bottom initially forms molten drop and then starts drippage；
3rd, when molten drop is formed and drips process stabilization, the drippage process of molten drop is moved in real time by high-speed camera
State shoots, while recording to the electric current and change in voltage in power circuit；The molten drop of electrode end drippage is intercepted with sample spoon,
Then weigh；
4th, the slag bath Temperature Distribution during being formed and dripped by infrared thermography real-time monitored molten drop, and and temperature
Meter measurement result is compareed；
As the bottom of Wood's metal pole is gradually melted, according to the registration of rule, adjusted by fixed pulley
Horizontal depth of beam, and then the depth that Wood's metal pole inserts conducting solution is adjusted, make the burn-off rate of Wood's metal pole permanent
It is fixed；
Molten drop drippage process is same as Example 1, and thermo parameters method is as shown in Figure 6.
Claims (8)
1. a kind of device of dynamic observatory control esr process molten drop behavior, it is characterised in that including quartz beaker, carry
The insulating support of entablature and sill, pressure regulator, infrared thermography and high-speed camera；Quartz beaker and for measure from
The rule of power pole insertion conducting solution depth is located on platform；Fixed pulley is hung with entablature, as from power consumption
The Wood's metal pole of pole is suspended on the rope of fixed pulley, or is suspended on dynamic crossbeam and dynamic crossbeam is suspended on fixed pulley
On rope；Simultaneously Wood's metal pole is connected by the wire inlayed in it with pressure regulator, the bottom insertion of Wood's metal pole
In the conducting solution as slag inside quartz beaker；Infrared thermography and high-speed camera are placed on outside quartz beaker simultaneously
It is relative with Wood's metal pole bottom.
2. a kind of device of dynamic observatory control esr process molten drop behavior according to claim 1, its feature exists
It is one in the described Wood's metal pole as consutrodes, or is divided into the first consutrodes and the second consutrodes；When
When Wood's metal pole is one, Wood's metal pole is suspended on the rope of fixed pulley；When Wood's metal pole is divided into first
When consutrodes and the second consutrodes, Wood's metal pole is suspended on dynamic crossbeam.
3. a kind of device of dynamic observatory control esr process molten drop behavior according to claim 1, its feature exists
It is one in the described Wood's metal pole as consutrodes, or is divided into the first consutrodes and the second consutrodes；When
When Wood's metal pole is one, Wood's metal pole is connected by wire with a pole of pressure regulator, is provided with inside quartz beaker
Molybdenum sheet is connected by wire with another pole of pressure regulator；When Wood's metal pole is to be divided into the first consutrodes and second from power consumption
During pole, each Wood's metal pole is connected respectively by wire with the two poles of the earth of pressure regulator.
4. a kind of device of dynamic observatory control esr process molten drop behavior according to claim 1, its feature exists
Thermometer is fixed with described sill, in the conducting solution inside thermometer insertion quartz beaker.
5. a kind of device of dynamic observatory control esr process molten drop behavior according to claim 1, its feature exists
Central part in the top of described Wood's metal pole is inlaid with split pin, and Wood's metal pole is by split pin and fixed pulley
Rope or dynamic crossbeam link together.
6. a kind of device of dynamic observatory control esr process molten drop behavior according to claim 1, its feature exists
In parallel with digital display voltmeter in described pressure regulator, the wire that pressure regulator is connected with Wood's metal pole is provided with digital display electric current
Table.
7. a kind of method of dynamic observatory control esr process molten drop behavior, it is characterised in that using described in claim 1
Device, carry out according to the following steps：
（1）The depth that Wood's metal pole inserts conducting solution is adjusted by fixed pulley and rule；By adjusting
Depressor to Wood's metal pole and conducting solution apply electric current；Wherein when there is a Wood's metal pole in quartz beaker, 5
Moral alloy pole, conducting solution, molybdenum sheet and pressure regulator constitute power circuit；When there is two Wood's metal poles in quartz beaker
When, two Wood's metal poles, conducting solution and pressure regulators constitute power circuit；Wherein the size of Wood's metal pole with quartz
Relation between the size of beaker is arranged according to the requirement of diameter relative cylinder charge in esr process；
（2）In current course is applied, Wood's metal pole bottom initially forms molten drop and then starts drippage；
（3）When molten drop is formed and drips process stabilization, Real-time and Dynamic is carried out to the drippage process of molten drop by high-speed camera
Shoot, while recording to the electric current and change in voltage in power circuit；The molten drop of electrode end drippage is intercepted with sample spoon, so
After weigh；
（4）Slag bath Temperature Distribution during being formed and dripped by infrared thermography real-time monitored molten drop, and and thermometer
Measurement result is compareed.
8. a kind of method of dynamic observatory control esr process molten drop behavior according to claim 7, its feature exists
In with gradually melting the bottom of Wood's metal pole, according to the registration of rule, entablature is adjusted by fixed pulley
Highly, and then the depth that Wood's metal pole inserts conducting solution is adjusted, makes the burn-off rate of Wood's metal pole constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624256.XA CN104330411B (en) | 2014-11-10 | 2014-11-10 | Device and method for dynamically observing and simulating behaviors of molten drops in electric slag remelting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624256.XA CN104330411B (en) | 2014-11-10 | 2014-11-10 | Device and method for dynamically observing and simulating behaviors of molten drops in electric slag remelting process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104330411A CN104330411A (en) | 2015-02-04 |
| CN104330411B true CN104330411B (en) | 2017-05-10 |
Family
ID=52405181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410624256.XA Active CN104330411B (en) | 2014-11-10 | 2014-11-10 | Device and method for dynamically observing and simulating behaviors of molten drops in electric slag remelting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104330411B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483391B (en) * | 2015-12-11 | 2017-08-11 | 东北大学 | Determine the device and method of technological parameter in the esr process of single supply double loop |
| SI3268149T1 (en) * | 2016-05-25 | 2019-05-31 | Ald Vacuum Technologies Gmbh | Electroslag remelting process and melting vessel |
| TWI667088B (en) * | 2017-02-14 | 2019-08-01 | 日商日本製鐵股份有限公司 | Method of detecting slag within molten steel flow |
| CN108984918B (en) * | 2018-07-20 | 2023-04-18 | 辽宁石油化工大学 | Method for predicting melting rate of electroslag remelting consumable electrode |
| CN111044434B (en) * | 2019-12-31 | 2022-02-15 | 太原科技大学 | Simulation device and method for gas metal arc welding molten drop transition process |
| CN117862439B (en) * | 2024-03-12 | 2024-05-17 | 内蒙古科技大学 | Device and method for inhibiting growth of inclusion in continuous casting crystallizer by pulse current |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2280749A (en) * | 1993-08-07 | 1995-02-08 | Kodak Ltd | Measurement of droplet size of a photographic dispersion |
| EP1925681A2 (en) * | 2006-11-15 | 2008-05-28 | Inteco special melting technologies GmbH | Method for electro slag remelting of metals and mould therefor |
| CN101624657A (en) * | 2009-04-30 | 2010-01-13 | 上海大学 | Method for magnetic control electroslag remelting and high-efficiency refining high temperature alloy and device therefor |
| CN103056344A (en) * | 2013-01-18 | 2013-04-24 | 上海大学 | Method for controlling electroslag melting casting by added transient magnetic field and electroslag smelting casting device |
| CN103602823A (en) * | 2013-12-05 | 2014-02-26 | 彭龙生 | Electro-slag remelting method of self-consumable electrode and electro-slag furnace |
| CN204287055U (en) * | 2014-11-10 | 2015-04-22 | 东北大学 | The device of a kind of dynamic observation analog electrical slag reflow process molten drop behavior |
-
2014
- 2014-11-10 CN CN201410624256.XA patent/CN104330411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2280749A (en) * | 1993-08-07 | 1995-02-08 | Kodak Ltd | Measurement of droplet size of a photographic dispersion |
| EP1925681A2 (en) * | 2006-11-15 | 2008-05-28 | Inteco special melting technologies GmbH | Method for electro slag remelting of metals and mould therefor |
| CN101624657A (en) * | 2009-04-30 | 2010-01-13 | 上海大学 | Method for magnetic control electroslag remelting and high-efficiency refining high temperature alloy and device therefor |
| CN103056344A (en) * | 2013-01-18 | 2013-04-24 | 上海大学 | Method for controlling electroslag melting casting by added transient magnetic field and electroslag smelting casting device |
| CN103602823A (en) * | 2013-12-05 | 2014-02-26 | 彭龙生 | Electro-slag remelting method of self-consumable electrode and electro-slag furnace |
| CN204287055U (en) * | 2014-11-10 | 2015-04-22 | 东北大学 | The device of a kind of dynamic observation analog electrical slag reflow process molten drop behavior |
Non-Patent Citations (1)
| Title |
|---|
| 电渣重熔过程中熔滴形成与滴落过程的数值模拟;刘双等;《过程工程学报》;20141031;第14卷(第5期);737-743 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104330411A (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104330411B (en) | Device and method for dynamically observing and simulating behaviors of molten drops in electric slag remelting process | |
| Shevchenko et al. | Chimney formation in solidifying Ga-25wt pct In alloys under the influence of thermosolutal melt convection | |
| CN104266899B (en) | In a kind of continuous cast mold, initial solidification checking stricture of vagina forms analog and method | |
| Li et al. | Metal transfer in submerged arc welding | |
| Wang et al. | Visualization study on the droplet evolution behaviors in electroslag remelting process by superimposing a transverse static magnetic field | |
| Wang et al. | Effect of current frequency on droplet evolution during magnetic-field-controlled electroslag remelting process via visualization method | |
| CN204287055U (en) | The device of a kind of dynamic observation analog electrical slag reflow process molten drop behavior | |
| CN107622726A (en) | Covering slag crystallization and the analogue means and method of Heat transfer in a kind of lower continuous cast mold of electric pulse effect | |
| Du et al. | Effect of a transverse magnetic field on solidification structure in directionally solidified Sn–Pb hypoeutectic alloys | |
| CN103436709B (en) | Device and method for preparing electroslag remelting ingot employing tubular electrode additional consumable blender | |
| CN116121548B (en) | Method, system and equipment for controlling local solidification time of cast ingot in electroslag remelting | |
| CN108984918B (en) | Method for predicting melting rate of electroslag remelting consumable electrode | |
| Zhang et al. | The effect of pulsed electrical currents on the formation of macrosegregation in solidifying Al–Si hypoeutectic phases | |
| Hou et al. | Effect of an external magnetic field on improved electroslag remelting cladding process | |
| CN202854011U (en) | Device for measuring physical parameters of high-frequency amplitude-modulated magnetic field hanging drop | |
| Ghods et al. | Macrosegregation in Al–7Si alloy caused by abrupt cross-section change during directional solidification | |
| KR101737721B1 (en) | Continuous casting method for slab made of titanium or titanium alloy | |
| Dong et al. | Temperature distribution of electroslag casting with liquid metal using current conductive ring | |
| Li et al. | Modeling of flow and temperature distribution in electroslag remelting withdrawal process for fabricating large-scale slab ingots | |
| CN109249021A (en) | Preparation method, IGBT shell and its boss of copper-tin alloy part | |
| Wu et al. | Observations and simulations for phase separation process of immiscible Fe50Sn50 alloy droplets placed on a chilling surface | |
| CN105483391B (en) | Determine the device and method of technological parameter in the esr process of single supply double loop | |
| JP2011025278A (en) | Adhesion evaluating method to solidified shell of mold powder, and solidification trial examination device in continuous casting mold | |
| Stefan-Kharicha et al. | Observation of flow regimes and transitions during a columnar solidification experiment | |
| JP2020189766A (en) | System and method for evaluating single crystal pulling apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |