CN202369602U - Power supply and control device for steel ladle refining furnace - Google Patents
Power supply and control device for steel ladle refining furnace Download PDFInfo
- Publication number
- CN202369602U CN202369602U CN2011204989683U CN201120498968U CN202369602U CN 202369602 U CN202369602 U CN 202369602U CN 2011204989683 U CN2011204989683 U CN 2011204989683U CN 201120498968 U CN201120498968 U CN 201120498968U CN 202369602 U CN202369602 U CN 202369602U
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- CN
- China
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- power supply
- refining furnace
- anode
- ladle refining
- rectifier
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Abstract
The utility model relates to a power supply and control device for a steel ladle refining furnace. The power supply and control device for the steel ladle refining furnace is characterized by comprising a direct current power supply system and an electrode control system, wherein in the direct current power supply system, two anodes and a cathode form two loops respectively; based on the current of the two loops, an electrode is regulated by a current regulator of a rectifier respectively; the electrode control system is used for regulating based on an anode voltage-to-ground signal, a cathode voltage-to-ground signal and a current given signal of the rectifier; in the direct current power supply system, one anode, the rectifier, a transformer, an electric reactor, the cathode and molten steel are sequentially connected to form one loop and are connected with an isolator, the regulator and the rectifier through a soft cable; and the other anode, the rectifier, the transformer, the electric reactor, the cathode and the molten steel are sequentially connected to form the other loop and are connected with the isolator and the regulator through the soft cable. The power supply and control device for the steel ladle refining furnace has the advantages of small impact on a power grid, low pollution and the like.
Description
Technical field
The utility model metallurgical technology field, particularly a kind of power supply of ladle refining furnace and gear.
Background technology
Power supply and gear are one of key equipments of ladle refining furnace, and its effect is to give Graphite Electrodes the big conduction of current that X-former produces, and promptly converts electric energy into heat energy.At present, power supply that the ladle refining furnace of domestic production is traditional and gear are to adopt Alternating Current Power Supply, exist: produce harmonic wave electrical network is impacted big and heavy-polluted problem.
Summary of the invention
The utility model has overcome the defective of above-mentioned existence, and purpose provides a kind of power supply and gear that adopts the ladle refining furnace of direct current supply and control.
The power supply of the utility model ladle refining furnace and gear content Description:
The power supply of the utility model ladle refining furnace and gear is characterized in that: be made up of DC power-supply system and electrode control system; Its DC power-supply system forms two loops with negative electrode respectively by two anodes, and the electric current in two loops is regulated electrode respectively by the current regulator of RF; Its electrode control system is got the given signal of electric current of anode voltage to ground, negative electrode voltage to ground signal and RF respectively and is regulated.
In DC power-supply system successively by: anode, RF, X-former, reactor, negative electrode, molten steel connect and compose a loop, are connected with shield retaining, setter, RF through flexible cable; Successively by: anode, RF, X-former, reactor, negative electrode, molten steel connect and compose the another one loop, are connected with shield retaining, setter through flexible cable.
The power supply of the utility model ladle refining furnace and gear have electrical network are impacted advantages such as little, that pollution is little.
Description of drawings
Fig. 1 is the power supply and the gear structural representation of ladle refining furnace.
Among the figure: the 1st, X-former, the 2nd, reactor, the 3rd, RF, the 4th, setter, the 5th, shield retaining, the 6th, flexible cable, the 7th, anode, the 8th, ladle, the 9th, BOTTOM ARGON BLOWING, the 10th, molten steel, the 11st, clad, the 12nd, anode, the 13rd, negative electrode, the 14th, shield retaining, the 15th, anode voltage, the 16th, setter, the 17th, RF, the 18th, reactor, the 19th, X-former, the 20th, cathode voltage, the 21st, electric current setter, the 22nd, high-voltage switch gear, the 23rd, anode voltage.
Embodiment
The power supply of the utility model ladle refining furnace and gear are achieved in that the power supply and the gear of ladle refining furnace, are made up of DC power-supply system and electrode control system; Its DC power-supply system forms two loops with negative electrode respectively by two anodes, and the electric current in two loops is regulated electrode respectively by the current regulator of RF.The electric current in these two loops, voltage and power independent control do not disturb mutually.Its electrode control system is got the given signal of electric current of anode voltage to ground, negative electrode voltage to ground signal and RF respectively and is regulated, and in ladle and ladle, does not increase any device.
Do below in conjunction with accompanying drawing and to specify.See Fig. 1; The power supply of ladle refining furnace and gear; In DC power-supply system successively by: anode 7, RF 3, X-former 1, reactor 2, negative electrode 13, molten steel 10 connect and compose a loop; Be connected with shield retaining 5, setter 4, RF 3 through flexible cable 6, its current setting is carried out separately through shield retaining 5, setter 4 by anode 7 current feedback signals.Constitute the another one loop by anode 12, RF 17, X-former 19, reactor 18, negative electrode 13, molten steel 10; Be connected with shield retaining 14, setter 16 through flexible cable 6, its current setting is carried out separately through shield retaining 14, setter 16 by anode 13 current feedback signals.The voltage signal of three electrode regulating is taken from anode voltage 15, cathode voltage 20, anode voltage 23 respectively.The current setting of heating system is from the 21 given completion of electric current setter.
Embodiment 1
Present embodiment is applied on the 60t direct current steel ladle refiner; One of them loop X-former 1 is composed in parallel by two ± 7.5 ° pentastyle rectifier transformer; RF 3 is formed 12 arteries and veins RFs by two two anti-star 6 arteries and veins RFs; Totally two of direct current reactors 2 are gone here and there respectively in the center tap of two X-formers.Current feedback signal is taken from the DC side of two 6 arteries and veins RFs respectively.Another loop X-former 19 is composed in parallel by two ± 22.5 ° pentastyle rectifier transformer, and other form identical first loop.Voltage signal is taken from anode voltage 15, high-voltage switch gear 20, anode voltage 23 respectively.The heating system electric current is given to be got into from electric current setter 21.
Embodiment 2
Present embodiment is applied on 30 tons of direct current steel ladle refiners, and X-former 1, X-former 19 are that (△/△-Y), RF is two and realizes 12 arteries and veins bridge rectifiers an X-former.Constitute two loops respectively through 2 of reactors, anode, negative electrode, wherein the current feedback in loop one gets into setter 4 through shield retaining 5, and another loop current feedback gets into setter 16 through shield retaining 14.Heating system is given to be got into by electric current setter 21.
Claims (2)
1. the power supply of a ladle refining furnace and gear is characterized in that: be made up of DC power-supply system and electrode control system; Its DC power-supply system forms two loops with negative electrode respectively by two anodes, and the electric current in two loops is regulated electrode respectively by the current regulator of RF; Its electrode control system is got the given signal of electric current of anode voltage to ground, negative electrode voltage to ground signal and RF respectively and is regulated.
2. the power supply of ladle refining furnace according to claim 1 and gear; It is characterized in that: in DC power-supply system successively by: anode (7), RF (3), X-former (1), reactor (2), negative electrode (13), molten steel (10) connect and compose a loop, are connected with shield retaining (5), setter (4), RF (3) through flexible cable (6); Successively by: anode (12), RF (17), X-former (19), reactor (18), negative electrode (13), molten steel (10) connect and compose the another one loop, are connected with shield retaining (14), setter (16) through flexible cable (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204989683U CN202369602U (en) | 2011-12-05 | 2011-12-05 | Power supply and control device for steel ladle refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204989683U CN202369602U (en) | 2011-12-05 | 2011-12-05 | Power supply and control device for steel ladle refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369602U true CN202369602U (en) | 2012-08-08 |
Family
ID=46593315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204989683U Expired - Fee Related CN202369602U (en) | 2011-12-05 | 2011-12-05 | Power supply and control device for steel ladle refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202369602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106309A (en) * | 2019-04-02 | 2019-08-09 | 北京奥邦新材料有限公司 | A kind of bottomless electrode plasma ladle furnace of multiloop direct current |
| CN110408742A (en) * | 2019-08-30 | 2019-11-05 | 王平 | A kind of electrochemistry purifier and method of refining preparing ultra-clean steel |
-
2011
- 2011-12-05 CN CN2011204989683U patent/CN202369602U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106309A (en) * | 2019-04-02 | 2019-08-09 | 北京奥邦新材料有限公司 | A kind of bottomless electrode plasma ladle furnace of multiloop direct current |
| CN110408742A (en) * | 2019-08-30 | 2019-11-05 | 王平 | A kind of electrochemistry purifier and method of refining preparing ultra-clean steel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20131205 |