CN103045877A - Automatic arcing device for vacuum consumable electric-arc furnace and control method - Google Patents
Automatic arcing device for vacuum consumable electric-arc furnace and control method Download PDFInfo
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- CN103045877A CN103045877A CN2012105553882A CN201210555388A CN103045877A CN 103045877 A CN103045877 A CN 103045877A CN 2012105553882 A CN2012105553882 A CN 2012105553882A CN 201210555388 A CN201210555388 A CN 201210555388A CN 103045877 A CN103045877 A CN 103045877A
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Abstract
The invention discloses an automatic arcing device for a vacuum consumable electric-arc furnace. A consumable electrode is arranged at the bottom of a furnace chamber; an auxiliary electrode is arranged above the consumable electrode; the upper end of the auxiliary electrode is connected with an electrode stem; the upper end of the electrode stem is connected with a transmission shaft; a differential mechanism/speed reducer is arranged at the upper end of the transmission shaft; the differential mechanism/speed reducer is connected with a feeding motor and a fast motor; a programmable controller comprises an output module, an input module, a CPU (Central Processing Unit) and a communication port; arc voltage measuring leads are respectively led out from the electrode stem and a housing of the furnace chamber; the other ends of the arc voltage measuring leads are connected with a signal transformer and then connected with the input module of the programmable controller; a voltage meter is connected with the signal transformer in parallel; a displacement sensor is also connected with the input module; and the output module and the input module are both connected with a motor controller. The invention further relates to a method for controlling arcing by using the arcing device; and the electrode stem is driven by the motor to strike an arc. The automatic arcing device for the vacuum consumable electric-arc furnace, disclosed by the invention, has the advantages of high arcing success rate, high arc distance control precision and high finished product ratio.
Description
Technical field
The invention belongs to Metal Melting equipment technology field, relate to a kind ofly for vacuum consumable electrode arc furnace automatic arc striking device, the invention still further relates to the method for utilizing this arc starter control starting the arc.
Background technology
The initial period that present vaccum consumable electrode electric arc furnace welds in melting and stove: the cooperation that rectifier power source output fusing (welding) electric current and consumable electrode move is complicated, and the feeding control of melting initial period battery lead rod stability definite to arc distance and the later stage melting is very important.Manual operation can not timely given electric current and battery lead rod speed and travel direction, and starting the arc success ratio and arc distance control accuracy are low, and it is long and have a potential safety hazard to enter time of stably fused.And the continuing of long arc distance makes the efficient of electric energy heat fused consumable electrode low, and the piece of molten after coagulation is dispersed in the furnace chamber bottom, causes ingot casting bottom syncretizing effect poor, and bottom cutting output ambassador yield rate is low.
Summary of the invention
The purpose of this invention is to provide a kind of for vacuum consumable electrode arc furnace automatic arc striking device, can be automatically the accurately in time given voltage of control and battery lead rod speed and travel direction.
Another object of the present invention provides a kind of control method for the vacuum consumable electrode arc furnace automatic arc striking, solve a starting the arc success ratio that exists in the prior art and the problem that the arc distance control accuracy is low, potential safety hazard is grown and existed to the time that enter stably fused, improved yield rate.
The technical solution adopted in the present invention is, and is a kind of for vacuum consumable electrode arc furnace automatic arc striking device, comprises mechanical part and electric control system; Mechanical part comprises furnace chamber, and consumable electrode is arranged on the furnace chamber bottom, and the lower surface of consumable electrode and furnace chamber bottom end face form melting starting the arc district; The consumable electrode top arranges supporting electrode, is welding starting the arc district in the stove between consumable electrode and the supporting electrode; The supporting electrode upper end is connected with battery lead rod, and the battery lead rod upper end links to each other with transmission shaft; The transmission shaft upper end is provided with differential mechanism/step-down gear; Differential mechanism/step-down gear connection feeding motor becomes single motor driven systems or differential mechanism/step-down gear and feeding motor, motor connects and composes respectively dual-motor drive system fast; Displacement sensor is connected with transmission shaft by gear/Timing Belt assembly; Electric control system comprises programmable logic controller, and programmable logic controller comprises output module, load module, CPU and communication port; The shell of battery lead rod and furnace chamber is drawn respectively the arc voltage measuring lead wire, and the other end of two arc voltage measuring lead wire is connected with the signal transmitting device, and the signal transmitting device is connected with the load module of programmable logic controller; Voltmeter is in parallel with the signal transmitting device; Displacement sensor also is connected with load module; Output module, load module all are connected with electric machine controller; The communication port of programmable logic controller also is connected with respectively industrial computer and fusing power supply.
Another technical scheme of the present invention is for the control method of vacuum consumable electrode arc furnace automatic arc striking device, to carry out according to following steps:
A forearc weld starting the arc district in stove or melting starting the arc district puts the striking material well rising, and furnace chamber is evacuated to vacuum, operates the battery lead rod lifting:
Wherein, drive for single motor driven systems: the lifting of battery lead rod and arc voltage arc distance are regulated feeding and are all used the feeding motor by drive speed reducer, make transmission shaft rotarily drive battery lead rod and supporting electrode lifting, make supporting electrode and consumable electrode at a distance of 5mm～30mm;
Drive for dual-motor drive system, open first quick motor and differential mechanism/step-down gear, make transmission shaft rotarily drive battery lead rod and supporting electrode rise, make supporting electrode and consumable electrode at a distance of 5mm～30mm, start fusing power supply and battery lead rod automatic feed, finish the control of arc distance arc voltage by the feeding motor by differential mechanism/step-down gear and the lifting of transmission shaft drive electrode bar;
Then set starting the arc parameter in industrial computer: striking voltage U
0=20V ~ 36V, arc voltage variable quantity U
01=2V ~ 5V, short-circuit voltage U
1=10V ~ 18V, striking current I
0=2A ~ 10kA, current change quantity I
01=0.5kA ~ 1.5kA, arcing time T
0=2min ~ 30min, arc distance D
0=10mm ~ 60mm;
Striking: just started the fusing power supply, battery lead rod accelerates to descend from static the beginning, until with consumable electrode 10 short circuits, namely survey the short-circuit voltage U that arc voltage U is lower than setting
1, battery lead rod stops to descend, and fast rise is pulled out electric arc, and actual current I is increased in the setting range from 0 and is worth after the starting the arc, i.e. I ∈ (I
0-I
01, I
0+ I
01), the starting the arc finishes;
The arc voltage arc distance is regulated: the arcing time T that is setting
0Interior detection actual measurement arc voltage U with whether survey arc distance D at setting range, i.e. U ∈ (U whether
0-U
01, U
0+ U
01), D＜D whether
0U, D satisfy one namely to be carried out:
If at setting range, i.e. U ∈ (U
0-U
01, U
0+ U
01), D＜D
0, then battery lead rod keeps static; If less than setting range, i.e. U＜U
0-U
01, then battery lead rod is moved up with 10mm/min ~ 20mm/min speed by the feeding electric motor driving; If greater than setting range, i.e. U＞U
0+ U
01, D＞D
0, then battery lead rod is moved down with 10mm/min ~ 20mm/min speed by the feeding electric motor driving, finishes automatic arc striking; If arcing time exceeds the arcing time T of setting
0Scope and actual measurement arc voltage U less than striking voltage U
0, battery lead rod suspends mobile, until melting process makes the actual measurement voltage U be increased to setting voltage U
0
The invention has the beneficial effects as follows and can automatically control accurately given voltage and battery lead rod speed and travel direction, starting the arc success ratio is high, reduces on year-on-year basis arcing time 1%, and is energy-conservation 0.5%, and when other parameters were identical, yield rate had improved 0.5%-2%.
Description of drawings
Fig. 1 is the structural representation that the present invention is used for vacuum consumable electrode arc furnace automatic arc striking device.
Fig. 2 is schema of the present invention.
Among the figure, 1. battery lead rod, 2. transmission shaft, 3. differential mechanism/step-down gear, 4. feeding motor, 5. fast motor, 6. gear/Timing Belt assembly, 7. furnace chamber, 8. supporting electrode, 9. welding starting the arc district in the stove, 10. consumable electrode, 11. melting starting the arc districts, 12. displacement sensor, 13. arc voltage measuring lead wire, 14. electric machine controllers, 15. output modules, 16. load module, 17. programmable logic controllers, 18. signal transmitting devices, 19. voltmeter, 20. industrial computer, 21. fusing power supplys.
U surveys arc voltage, I measured current, U
0Striking voltage, I
0Striking current, U
1Short-circuit voltage, T
0Arcing time, D
0Arc distance, the actual measurement arc distance after the D starting the arc, U
01The arc voltage variable quantity, I
01Current change quantity.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The present invention is used for vacuum consumable electrode arc furnace automatic arc striking device, and structure comprises mechanical part and electric control system as shown in Figure 1.
Mechanical part comprises furnace chamber 7, and furnace chamber 7 is openable closed cavities that have cooling to find time, and consumable electrode 10 is in furnace chamber 7 bottoms, and the lower surface of consumable electrode 10 and furnace chamber 7 bottom end faces form melting starting the arc district 11; Consumable electrode 10 tops arrange supporting electrode 8, are welding starting the arc district 9 in the stove between consumable electrode 10 and the supporting electrode 8; Supporting electrode 8 upper ends are connected with battery lead rod 1, furnace chamber 7 and battery lead rod 1 not only sealed but also insulate also to guarantee battery lead rod 1 furnace chamber 7 interior when mobile the junction damping very little; Battery lead rod 1 upper end links to each other with transmission shaft 2; Differential mechanism/the step-down gear 3 of transmission shaft 2 upper ends can only connect feeding motor 4 according to battery lead rod 1 load-carrying, becomes single motor driven systems; Differential mechanism/the step-down gear 3 of transmission shaft 2 upper ends can also be connected respectively with quick motor 5 with feeding motor 4, becomes dual-motor drive system.Displacement sensor 12 is connected the displacement signal of potential electrode bar 1 by gear/Timing Belt assembly 6 with transmission shaft 2.
Electric control system comprises programmable logic controller 17, and programmable logic controller 17 comprises output module 15, load module 16, CPU and communication port.The other end that the shell of battery lead rod 1 and furnace chamber 7 is drawn respectively 13, two arc voltage measuring lead wire 13 of arc voltage measuring lead wire is connected with signal transmitting device 18, and signal transmitting device 18 is connected with the load module 16 of programmable logic controller 17; Voltmeter 19 is in parallel with signal transmitting device 18; Displacement sensor 12 also is connected with load module 16; Output module 15, load module 16 all are connected with electric machine controller 14; The communication port of programmable logic controller 17 also is connected with respectively industrial computer 20, fusing power supply 21.
In vacuum consumable electrode arc furnace automatic arc striking device of the present invention, the detection of actual arc voltage U enters the load module 16 of programmable logic controller 17 to the conditioning of signal transmitting device 18 by the arc voltage measuring lead wire 13 that links to each other with the shell of battery lead rod 1 and furnace chamber 7 respectively, draw through computing, the voltmeter 19 in parallel with signal transmitting device 18 can intuitively show arc voltage again.Actual measurement arc distance D reads with computing from displacement sensor 12 by programmable logic controller 17 and load module 16 thereof and draws.Measured current I directly reads from the controller of fusing power supply 21 by the communication port of programmable logic controller 17.Electric machine controller 14 is connected with signal input module with the signal output module 15 of programmable logic controller 17 simultaneously and is connected, carries out the control command of 17 pairs of motors of programmable logic controller and feeds back the state of motors and the machine to programmable logic controller 17.
The present invention is used for the control method employing of vacuum consumable electrode arc furnace automatic arc striking and controls for vacuum consumable electrode arc furnace automatic arc striking device, and the structure that is used for vacuum consumable electrode arc furnace automatic arc striking device comprises mechanical part and electric control system:
Machinery comprises furnace chamber 7, and furnace chamber 7 is openable closed cavities that have cooling to find time, and consumable electrode 10 is in furnace chamber 7 bottoms, and the lower surface of consumable electrode 10 and furnace chamber 7 bottom end faces form melting starting the arc district 11; Consumable electrode 10 tops arrange supporting electrode 8, are welding starting the arc district 9 in the stove between consumable electrode 10 and the supporting electrode 8; Supporting electrode 8 upper ends are connected with battery lead rod 1; Furnace chamber 7 not only seals but also insulate with battery lead rod 1, also to guarantee battery lead rod 1 furnace chamber 7 interior when mobile the junction damping very little, seal herein, insulate, the little structure of mobile damping belongs to prior art.Battery lead rod 1 upper end links to each other with transmission shaft 2; Differential mechanism/the step-down gear 3 of transmission shaft 2 upper ends can only connect feeding motor 4 according to battery lead rod 1 load-carrying, becomes single motor driven systems; Differential mechanism/the step-down gear 3 of transmission shaft 2 upper ends can also be connected respectively with quick motor 5 with feeding motor 4, becomes dual-motor drive system.Displacement sensor 12 is connected the displacement signal of potential electrode bar 1 by gear/Timing Belt assembly 6 with transmission shaft 2.
Electric control system comprises programmable logic controller 17, and programmable logic controller 17 comprises output module 15, load module 16, CPU and communication port.The other end that the shell of battery lead rod 1 and furnace chamber 7 is drawn respectively 13, two arc voltage measuring lead wire 13 of arc voltage measuring lead wire is connected with signal transmitting device 18, and signal transmitting device 18 is connected with the load module 16 of programmable logic controller 17; Voltmeter 19 is in parallel with signal transmitting device 18; Displacement sensor 12 also is connected with load module 16; Output module 15, load module 16 all are connected with electric machine controller 14; The communication port of programmable logic controller 17 also is connected with respectively industrial computer 20, fusing power supply 21.
And carry out according to following steps:
A forearc welds starting the arc district 9 in stove or melting starting the arc district 11 puts the striking material well rising, and furnace chamber 7 is evacuated to vacuum, operates first battery lead rod 1 lifting:
Drive for dual-motor drive system, open first quick motor 5 and differential mechanism/step-down gear 3, make transmission shaft 2 rotarily drive battery lead rod 1 and supporting electrode 8 rises, make supporting electrode 8 and consumable electrode 10 at a distance of 5mm～30mm, start fusing power supply 21 and battery lead rod 5 automatic feeds, finish the control of arc distance arc voltage by feeding motor 4 by differential mechanism/step- down gear 3 and 1 lifting of transmission shaft 2 drive electrode bars.
Drive for single motor driven systems: the fast lifting of battery lead rod 1 and arc voltage arc distance are regulated feeding and are all used feeding motor 4 by drive speed reducer 3, make transmission shaft 2 rotarily drive battery lead rod 1 and supporting electrode 8 liftings.
Then set starting the arc parameter in industrial computer 20: striking voltage U
0=20V ~ 36V and arc voltage variable quantity U
01=2V ~ 5V, short-circuit voltage U
1=10V ~ 18V, striking current I
0=2A ~ 10kA and current change quantity I
01=0.5kA ~ 1.5kA, arcing time T
0=2min ~ 30min, arc distance D
0=10mm ~ 60mm;
Striking, shown in Fig. 2 flow process starting the arc partly: the firm startup melted power supply 21, because positive pole and negative pole are in open-circuit condition at a distance of 5mm～30mm, surveys arc voltage U much larger than striking voltage U
0, battery lead rod 1 accelerate to descend from static the beginning, until with anodal short circuit, namely survey the short-circuit voltage U that arc voltage U is lower than setting
1, battery lead rod 1 stops to descend, and fast rise is pulled out electric arc, and actual current I is increased in the setting range from 0 and is worth after the starting the arc, i.e. I ∈ (I
0-I
01, I
0+ I
01), the starting the arc finishes;
The arc voltage arc distance is regulated, such as Fig. 2 safety arc apart from shown in the part, the arcing time T that is setting
0Interior detection actual measurement arc voltage U with whether survey arc distance D at setting range, i.e. U ∈ (U whether
0-U
01, U
0+ U
01), D＜D whether
0U, D satisfy one namely to be carried out:
If at setting range, i.e. U ∈ (U
0-U
01, U
0+ U
01), D＜D
0, then battery lead rod 1 keeps static; If less than setting range, i.e. U＜U
0-U
01, then battery lead rod 1 is driven by feeding motor 4 and moves up with 10mm/min ~ 20mm/min speed; If greater than setting range, i.e. U＞U
0+ U
01, D＞D
0, then battery lead rod 1 is driven by feeding motor 4 and moves down with 10mm/min ~ 20mm/min speed, finishes automatic arc striking; If arcing time exceeds the arcing time T of setting
0Scope and actual measurement arc voltage U less than striking voltage U
0, in order to guarantee system stability, then battery lead rod 1 time-out is mobile, until melting process makes the actual measurement voltage U be increased to setting voltage U
0
During melting, arc distance is long to cause the unstable and spuious of electric arc, and ingot casting is rough, pore is many, and the defectives such as screw thread and strip are arranged; Arc distance is too short to be short-circuited easily, so that consumable electrode and ingot casting such as are stained with at the accident.Therefore, the control of the suitable arc distance of initial period is extremely important, and what be fit to arc distance both can form the molten bath as early as possible, can make again fusion process stable, the ingot casting few surface defects, and yield rate is high.
For these two kinds of battery lead rod type of drive, starting the arc success ratio is high in present method, the stable parameter that also can follow fast setting of arc voltage, and steady in follow-up fusion process battery lead rod feeding, arc voltage control is effective.Use this method starting the arc, reduce the limit arc and produce, reduce the melting potential safety hazard; Heelpiece scaling loss situation prolongs crucible and heelpiece life-span, and arc distance is controlled, at same fusion current, under the vacuum tightness parameter, can form as early as possible the molten bath, improves the yield rate of ingot casting.
Adopt in the situation of apparatus of the present invention, carry out the starting the arc for the titanium material, set starting the arc parameter on the industrial computer: striking voltage U
0=20V ~ 26V, arc voltage variable quantity U
01=2V ~ 3V, short-circuit voltage U
1=10V ~ 13V, striking current I
0=2A ~ 4kA and current change quantity I
01=0.5kA ~ 1.0kA, arcing time T
0=2min ~ 15min, arc distance D
0=10mm ~ 30mm.Then control according to above-mentioned steps.
Adopt in the situation of apparatus of the present invention, carry out the starting the arc for the titanium material, set starting the arc parameter on the industrial computer: striking voltage U
0=24V ~ 30V, arc voltage variable quantity U
01=2V ~ 4V, short-circuit voltage U
1=12V ~ 16V, striking current I
0=3A ~ 7kA and current change quantity I
01=0.5kA ~ 1.2kA, arcing time T
0=10min ~ 20min, arc distance D
0=10mm ~ 40mm.Then control according to above-mentioned steps.
Adopt in the situation of apparatus of the present invention, carry out the starting the arc for the titanium material, set starting the arc parameter on the industrial computer: striking voltage U
0=28V ~ 36V, arc voltage variable quantity U
01=2V ~ 5V, short-circuit voltage U
1=14V ~ 18V, striking current I
0=6A ~ 10kA and current change quantity I
01=1.0kA ~ 1.5kA, arcing time T
0=18min ~ 30min, arc distance D
0=30mm ~ 60mm.Then control according to above-mentioned steps.
Claims (3)
1. one kind is used for vacuum consumable electrode arc furnace automatic arc striking device, it is characterized in that, comprises mechanical part and electric control system;
Described mechanical part comprises furnace chamber (7), and consumable electrode (10) is arranged on furnace chamber (7) bottom, and the lower surface of consumable electrode (10) and furnace chamber (7) bottom end face form melting starting the arc district (11); Described consumable electrode (10) top arranges supporting electrode (8), is welding starting the arc district (9) in the stove between described consumable electrode (10) and the supporting electrode (8); Described supporting electrode (8) upper end is connected with battery lead rod (1), and battery lead rod (1) upper end links to each other with transmission shaft (2); Transmission shaft (2) upper end is provided with differential mechanism/step-down gear (3); Differential mechanism/step-down gear (3) connection feeding motor (4) becomes single motor driven systems or differential mechanism/step-down gear (3) connects and composes respectively dual-motor drive system with feeding motor (4), quick motor (5); Displacement sensor (12) is connected with transmission shaft (2) by gear/Timing Belt assembly (6);
Described electric control system comprises programmable logic controller (17), and programmable logic controller (17) comprises output module (15), load module (16), CPU and communication port; The shell of described battery lead rod (1) and furnace chamber (7) is drawn respectively arc voltage measuring lead wire (13), the other end of two arc voltage measuring lead wire (13) is connected with signal transmitting device (18), and signal transmitting device (18) is connected with the load module (16) of programmable logic controller (17); Voltmeter (19) is in parallel with signal transmitting device (18); Displacement sensor (12) also is connected with load module (16); Output module (15), load module (16) all are connected with electric machine controller (14); The communication port of programmable logic controller (17) also is connected with respectively industrial computer (20) and fusing power supply (21).
2. according to claim 1ly a kind ofly it is characterized in that for vacuum consumable electrode arc furnace automatic arc striking device described furnace chamber (2) is for can open the closed cavity that cooling can be found time.
3. one kind based on claim 1 or the described control method for vacuum consumable electrode arc furnace automatic arc striking device of 2 any one, it is characterized in that, carries out according to following steps:
Step 1,
A forearc weld starting the arc district (9) in stove or melting starting the arc district (11) puts the striking material well rising, and furnace chamber (7) is evacuated to vacuum, operates battery lead rod (1) lifting:
Wherein, drive for single motor driven systems: the lifting of battery lead rod (1) and arc voltage arc distance are regulated feeding and are all used feeding motor (4) by drive speed reducer (3), make transmission shaft (2) rotarily drive battery lead rod (1) and supporting electrode (8) lifting, make supporting electrode (8) and consumable electrode (10) at a distance of 5mm～30mm;
Drive for dual-motor drive system, open first quick motor (5) and differential mechanism/step-down gear (3), make transmission shaft (2) rotarily drive battery lead rod (1) and supporting electrode (8) rise, make supporting electrode (8) and consumable electrode (10) at a distance of 5mm～30mm, start fusing power supply (21) and battery lead rod (5) automatic feed, finish the control of arc distance arc voltage by feeding motor (4) by differential mechanism/step-down gear (3) and transmission shaft (2) drive electrode bar (1) lifting;
Then set starting the arc parameter in industrial computer (20): striking voltage U
0=20V ~ 36V, arc voltage variable quantity U
01=2V ~ 5V, short-circuit voltage U
1=10V ~ 18V, striking current I
0=2A ~ 10kA, current change quantity I
01=0.5kA ~ 1.5kA, arcing time T
0=2min ~ 30min, arc distance D
0=10mm ~ 60mm;
Step 2,
Striking: just started fusing power supply (21), battery lead rod (1) accelerates to descend from static the beginning, until with consumable electrode (10) short circuit, namely survey the short-circuit voltage U that arc voltage U is lower than setting
1, battery lead rod (1) stops to descend, and fast rise is pulled out electric arc, and actual current I is increased in the setting range from 0 and is worth after the starting the arc, i.e. I ∈ (I
0-I
01, I
0+ I
01), the starting the arc finishes;
The arc voltage arc distance is regulated: the arcing time T that is setting
0Interior detection actual measurement arc voltage U with whether survey arc distance D at setting range, i.e. U ∈ (U whether
0-U
01, U
0+ U
01), D＜D whether
0U, D satisfy one namely to be carried out:
If at setting range, i.e. U ∈ (U
0-U
01, U
0+ U
01), D＜D
0, then battery lead rod (1) keeps static; If less than setting range, i.e. U＜U
0-U
01, then battery lead rod (1) is driven by feeding motor (4) and moves up with 10mm/min ~ 20mm/min speed; If greater than setting range, i.e. U＞U
0+ U
01, D＞D
0, then battery lead rod (1) is driven by feeding motor (4) and moves down with 10mm/min ~ 20mm/min speed, finishes automatic arc striking; If arcing time exceeds the arcing time T of setting
0Scope and actual measurement arc voltage U less than striking voltage U
0, battery lead rod (1) suspends mobile, until melting process makes the actual measurement voltage U be increased to setting voltage U
0
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555388.2A CN103045877B (en) | 2012-12-19 | 2012-12-19 | Automatic arcing device for vacuum consumable electric-arc furnace and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555388.2A CN103045877B (en) | 2012-12-19 | 2012-12-19 | Automatic arcing device for vacuum consumable electric-arc furnace and control method |
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| CN103045877B CN103045877B (en) | 2014-06-04 |
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| CN104846212A (en) * | 2015-06-08 | 2015-08-19 | 重庆钢铁(集团)有限责任公司 | Consumable electrode vacuum furnace smelting method |
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| CN105202908A (en) * | 2015-11-03 | 2015-12-30 | 苏州市金翔钛设备有限公司 | Vacuum consumable electrode arc furnace |
| CN105783530A (en) * | 2016-04-26 | 2016-07-20 | 西安聚能装备技术有限公司 | Clamping and electricity-conducting device for auxiliary electrode of vacuum arc remelting furnace |
| CN106148722A (en) * | 2016-08-18 | 2016-11-23 | 陕西斯瑞新材料股份有限公司 | The molten drop of vacuum consumable electrode arc furnace controls device |
| CN107586964A (en) * | 2017-10-23 | 2018-01-16 | 沈阳真空技术研究所 | Vacuum consumable electrode electric arc skull crucible |
| TWI725178B (en) * | 2016-11-01 | 2021-04-21 | 美商Ａ芬克父子公司 | Systems and methods for controlling a vacuum arc remelting furnace based on power input |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846212A (en) * | 2015-06-08 | 2015-08-19 | 重庆钢铁(集团)有限责任公司 | Consumable electrode vacuum furnace smelting method |
| CN104976888A (en) * | 2015-06-08 | 2015-10-14 | 重庆钢铁(集团)有限责任公司 | Vacuum consumable smelting furnace |
| CN105202908A (en) * | 2015-11-03 | 2015-12-30 | 苏州市金翔钛设备有限公司 | Vacuum consumable electrode arc furnace |
| CN105783530A (en) * | 2016-04-26 | 2016-07-20 | 西安聚能装备技术有限公司 | Clamping and electricity-conducting device for auxiliary electrode of vacuum arc remelting furnace |
| CN106148722A (en) * | 2016-08-18 | 2016-11-23 | 陕西斯瑞新材料股份有限公司 | The molten drop of vacuum consumable electrode arc furnace controls device |
| TWI725178B (en) * | 2016-11-01 | 2021-04-21 | 美商Ａ芬克父子公司 | Systems and methods for controlling a vacuum arc remelting furnace based on power input |
| CN107586964A (en) * | 2017-10-23 | 2018-01-16 | 沈阳真空技术研究所 | Vacuum consumable electrode electric arc skull crucible |
| CN107586964B (en) * | 2017-10-23 | 2020-08-25 | 沈阳真空技术研究所有限公司 | Vacuum consumable electrode arc skull furnace |
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