CN204923829U - Melting equipment of single electrode direct current corundum - Google Patents
Melting equipment of single electrode direct current corundum Download PDFInfo
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- CN204923829U CN204923829U CN201520471522.XU CN201520471522U CN204923829U CN 204923829 U CN204923829 U CN 204923829U CN 201520471522 U CN201520471522 U CN 201520471522U CN 204923829 U CN204923829 U CN 204923829U
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- electrode
- direct current
- power supply
- corundum
- negative
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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
- Y02P10/25—Process efficiency
Abstract
The utility model provides a melting equipment of single electrode direct current corundum, the utility model discloses a set up electrode positive pole (5) or electrode negative pole (2) in the bottom of furnace body (3), set up the electrode negative pole or the electrode is anodal on the furnace chamber upper portion of furnace body, then through secondary short network respectively with the anodal connection high frequency DC power supply (6) of electrode negative pole and electrode, the utility model has the advantages of the line loss is few, power factor is high, energy -conserving, good, the noise of power supply equilibrium is low, electrode consumption is few, the flexibility is controlled well to the dynamics, can effectual improvement corundum quality, reduce and smelt the energy consumption, improve utilization ratio of material to the corresponding smelting cost and the environmental protection control degree of difficulty of having reduced improves work efficiency etc..
Description
[technical field]
The utility model relates to smelting equipment field, especially relates to a kind of smelting equipment of single electrode direct current corundum.
[background technology]
Known, corundum smelting is substantially all adopt alternating current arc equipment to carry out fusion smelting, but interchange is smelted, and generation eddy current is large, utilization rate of electrical is low, and because of alternating current arc instability, line voltage can be caused passive, the low product quality that also can cause of arc temperature is secondary unstable with quality simultaneously, and most importantly alternating current arc smelting can produce a large amount of radiation and waste gas, is unfavorable for environment protection control.
Existing corundum smelting adopts three-phase alternating-current powered usually, three electrodes adopt star or triangle to be positioned in body of heater, the high-power factor of low voltage short net reactance is low, general between 0.7 ~ 0.85%, and power consumption increases with smelting furnace capacity and improves, three-phase smelts three mutual radiation of electrode, accelerating electrode consumes, three-phase alternating current mutual inductance is uneven, power distribution is uneven, smelt bad dynamic performance, operate wayward, and often occur some areas melting less than or melting cross slow phenomenon, smelt simultaneously and use electric current large, kelvin effect is obvious, electrode surface current density is large, temperature is high, anodizing consumption is large.
The anode of alternating current arc and negative electrode constantly replace between graphite electrode and furnace charge, because the ionization factor that cathode primary electron is penetrated is different, make the positive and negative half-wave generation Severe distortion of the current waveform of electric arc.Ac arc furnace has three electrodes, and three-phase alternating current electric arc arc flame, due to the impact by electromagnetic force, always constantly changes direction, drifts about towards centrifugal direction.Electric arc burns in the outside of graphite electrode, and thus graphite electrode scaling loss is uneven, weathers outside termination, and occurs that cracking peels off, and causes hot spots on the furnace wall again simultaneously, makes burn-back uneven.
At present, due to domestic corundum smelting enterprise equal Shortcomings in technology and equipment etc., domestic production high for the energy consumption that exchanges smelting equipment, quality of finished is unstable, technique environment protection control difficulty is large, utilization rate of raw materials is low, causes cost of investment higher.Therefore, how to change smelting process, improve raw material resources utilization rates, reduce and smelt energy consumption, strengthen corundum quality, reduce production cost, ensure that its stability in smelting process and yield rate just become an important subject in corundum smelting.
[summary of the invention]
In order to overcome the deficiency of above-mentioned technology, the utility model provides a kind of smelting equipment of single electrode direct current corundum, the utility model is by arranging electrode anode or Electrode Negative in the bottom of body of heater, on the furnace chamber top of body of heater, Electrode Negative or electrode anode are set, then respectively Electrode Negative is connected power supply with electrode anode by low voltage short net, the utility model has that line loss is few, power factor is high, consumption of electrode is few, energy-conservation, noise is low, power supply balance is good, dynamic controls advantage flexibly well.
For realizing goal of the invention as above, the utility model adopts technical scheme as described below:
A kind of smelting equipment of single electrode direct current corundum, comprise holder, Electrode Negative, body of heater, electrode anode and power supply, electrode anode or Electrode Negative is provided with in the bottom of described body of heater, Electrode Negative or electrode anode is movably equipped with by holder on the top of body of heater furnace chamber, described electrode anode is connected power supply with Electrode Negative respectively by low voltage short net, and alternating current process exchanges and once or is once converted to the smelting equipment that the low-voltage and high-current power supply smelted forms described single electrode direct current corundum above with direct current by described power supply.
The smelting equipment of described single electrode direct current corundum, described electrode anode and Electrode Negative are coaxial setting.
The smelting equipment of described single electrode direct current corundum, one end connecting electrode positive pole of described holder or Electrode Negative, the other end of holder connects column.
The smelting equipment of described single electrode direct current corundum, described column is arranged on ground level or in frame.
The smelting equipment of described single electrode direct current corundum, described Electrode Negative is graphite electrode.
The smelting equipment of described single electrode direct current corundum, described electrode anode is graphite electrode.
The smelting equipment of described single electrode direct current corundum, the voltage range 30 ~ 130V of described low-voltage and high-current power supply, current range is 24000 ~ 30000A.
The smelting equipment of described single electrode direct current corundum, described power supply comprises rectifier, inverter, high frequency transformer and wave filter, power frequency AC rectification is dc source by described rectifier, through inverter, dc source is changed into high-frequency ac power, after stream is carried in high frequency transformer step-down, again through rectifier, wave filter changes the direct current that AC power is smelting low-voltage and high-current, described high frequency transformer comprises iron core and coil, coil has two or more winding, divide primary coil and secondary coil, described iron core is tied with coil, the two ends of described coil are in series with rectifier cell respectively, the two ends often organizing coil are connected to together, electrode anode and Electrode Negative is exported to by low voltage short net.
Adopt technical scheme as above, the utility model has superiority as described below:
The smelting equipment of a kind of single electrode direct current corundum described in the utility model, the utility model is by arranging electrode anode or Electrode Negative in the bottom of body of heater, wherein the upper end of electrode anode or Electrode Negative and the bottom of body of heater concordant, on the furnace chamber top of body of heater, Electrode Negative or electrode anode are set, then respectively Electrode Negative is connected power supply with electrode anode by low voltage short net, it is few that the utility model has line loss, power factor is high, energy-conservation, power supply balance is good, noise is low, consumption of electrode is few, dynamic controls advantage flexibly well, can effectively improve corundum quality, reduce and smelt energy consumption, improve raw material availability, thus correspondingly reduce smelting cost and environment protection control difficulty, increase work efficiency.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
In the drawings: 1, holder; 2, Electrode Negative; 3, body of heater; 4, liquation; 5, electrode anode; 6, power supply; 7, column.
[detailed description of the invention]
Can explain the utility model in more detail by the following examples, the utility model is not limited to the following examples;
The smelting equipment of a kind of single electrode direct current corundum by reference to the accompanying drawings described in 1, comprise holder 1, Electrode Negative 2, body of heater 3, electrode anode 5 and power supply 6, electrode anode 5 or Electrode Negative 2 is provided with in the bottom of described body of heater 3, Electrode Negative 2 or electrode anode 5 is movably equipped with by holder 1 on the top of body of heater 3 furnace chamber, namely the position of Electrode Negative 2 and electrode anode 5 can exchange, described electrode anode 5 and Electrode Negative 2 are coaxial setting, wherein said Electrode Negative 2 and electrode anode 5 are graphite electrode, the electrode anode 5 wherein arranged bottom body of heater 3 or the upper end of Electrode Negative 2 concordant with body of heater 3 and contact liquation 4, principle serves as electrode anode 5 or Electrode Negative 2 with body of heater 3, in actual applications, one end connecting electrode negative pole 2 of described holder 1 or electrode anode 5, the lower end in contact liquation 4 of the Electrode Negative 2 connected by holder 1 or electrode anode 5, the other end of holder 1 connects column 7, and described column 7 is arranged on ground level or in frame, further, described electrode anode 5 is connected power supply 6 with Electrode Negative 2 respectively by low voltage short net, described power supply 6 comprises rectifier, inverter, high frequency transformer and wave filter, power frequency AC rectification is dc source by described rectifier, through inverter, dc source is changed into high-frequency ac power, after stream is carried in high frequency transformer step-down, again through rectifier, wave filter changes the direct current that AC power is smelting low-voltage and high-current, described high frequency transformer comprises iron core and coil, coil has two or more winding, divide primary coil and secondary coil, described iron core is tied with coil, the two ends of described coil are in series with rectifier cell respectively, the two ends often organizing coil are connected to together, electrode anode 5 and Electrode Negative 2 is exported to by low voltage short net, voltage range 30 ~ the 130V of wherein said low-voltage and high-current power supply, current range is 24000 ~ 30000A, alternating current process exchanges and once or is once converted to the smelting equipment that the low-voltage and high-current power supply smelted forms described single electrode direct current corundum above with direct current by described power supply 6.
In the utility model, body of heater 3 and electrode can serve as positive and negative electrode respectively each other (body of heater 3 and electrode can be put upside down, and when electrode is as positive pole, body of heater is negative pole; When electrode is as negative pole, body of heater is positive pole), alternating current is converted to the low-voltage and high-current power supply smelted once or once above with direct current through exchanging, and is conducted to electrode power supply for smelting corundum by soft bus (i.e. low voltage short net) and holder 1.
The utility model adopts single electrode to smelt, and low voltage short net electrical loss significantly reduces, and holder 1 more easily adjusts in smelting process, control flexibly, single electrode smelts the radiation eliminated between electrode simultaneously, and consumption of electrode is low, facts have proved and can reach below 3kg/ ton.
The non-detailed portion of the utility model is prior art.
The embodiment selected in this article in order to open the purpose of this utility model, currently thinks to be suitable for, but it is to be understood that the utility model is intended to comprise all changes belonging to the embodiment in this design and invention scope and improvement.
Claims (8)
1. the smelting equipment of a single electrode direct current corundum, comprise holder (1), Electrode Negative (2), body of heater (3), electrode anode (5) and power supply (6), it is characterized in that: be provided with electrode anode (5) or Electrode Negative (2) in the bottom of described body of heater (3), Electrode Negative (2) or electrode anode (5) is movably equipped with by holder (1) on the top of body of heater (3) furnace chamber, described electrode anode (5) is connected power supply (6) with Electrode Negative (2) respectively by low voltage short net, alternating current process exchanges and once or is once converted to the smelting equipment that the low-voltage and high-current power supply smelted forms described single electrode direct current corundum above with direct current by described power supply (6).
2. the smelting equipment of single electrode direct current corundum according to claim 1, is characterized in that: described electrode anode (5) and Electrode Negative (2) are arranged for coaxial.
3. the smelting equipment of single electrode direct current corundum according to claim 1, is characterized in that: one end connecting electrode positive pole (5) of described holder (1) or Electrode Negative (2), and the other end of holder (1) connects column (7).
4. the smelting equipment of single electrode direct current corundum according to claim 3, is characterized in that: described column (7) is arranged on ground level or in frame.
5. the smelting equipment of single electrode direct current corundum according to claim 1, is characterized in that: described Electrode Negative (2) is graphite electrode.
6. the smelting equipment of single electrode direct current corundum according to claim 1, is characterized in that: described electrode anode (5) is graphite electrode.
7. the smelting equipment of single electrode direct current corundum according to claim 1, it is characterized in that: the voltage range 30 ~ 130V of described low-voltage and high-current power supply, current range is 24000 ~ 30000A.
8. the smelting equipment of single electrode direct current corundum according to claim 1, it is characterized in that: described power supply (6) comprises rectifier, inverter, high frequency transformer and wave filter, power frequency AC rectification is dc source by described rectifier, through inverter, dc source is changed into high-frequency ac power, after stream is carried in high frequency transformer step-down, again through rectifier, wave filter changes the direct current that AC power is smelting low-voltage and high-current, described high frequency transformer comprises iron core and coil, coil has two or more winding, divide primary coil and secondary coil, described iron core is tied with coil, the two ends of described coil are in series with rectifier cell respectively, the two ends often organizing coil are connected to together, electrode anode (5) and Electrode Negative (2) is exported to by low voltage short net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471522.XU CN204923829U (en) | 2015-07-03 | 2015-07-03 | Melting equipment of single electrode direct current corundum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471522.XU CN204923829U (en) | 2015-07-03 | 2015-07-03 | Melting equipment of single electrode direct current corundum |
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| Publication Number | Publication Date |
|---|---|
| CN204923829U true CN204923829U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520471522.XU Expired - Fee Related CN204923829U (en) | 2015-07-03 | 2015-07-03 | Melting equipment of single electrode direct current corundum |
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| CN (1) | CN204923829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004177A (en) * | 2015-07-03 | 2015-10-28 | 河南东风新研材科技有限公司 | Single-electrode DC corundum smelting equipment |
-
2015
- 2015-07-03 CN CN201520471522.XU patent/CN204923829U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004177A (en) * | 2015-07-03 | 2015-10-28 | 河南东风新研材科技有限公司 | Single-electrode DC corundum smelting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200703 |
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| CF01 | Termination of patent right due to non-payment of annual fee |