CN201697459U - Impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag - Google Patents
Impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag Download PDFInfo
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- CN201697459U CN201697459U CN2010202298351U CN201020229835U CN201697459U CN 201697459 U CN201697459 U CN 201697459U CN 2010202298351 U CN2010202298351 U CN 2010202298351U CN 201020229835 U CN201020229835 U CN 201020229835U CN 201697459 U CN201697459 U CN 201697459U
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Abstract
The utility model relates to an impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag, which relates to a copper and nickel concentrate fire smelting device, structurally comprises an impoverishing electric furnace body, direct current electrodes and a direct current power supply device, and is characterized in that the positive electrode and the negative electrode of the impoverishing electric furnace thereof are vertically inserted into the inner cavity of the furnace body from the upper part of the direct current electric furnace. The impoverishing electric furnace for impoverishing the copper and nickel concentrate smelting slag of the utility model changes the traditional thought that an alternating current power supply is adopted by all the impoverishing electric furnaces, the impoverishing effect for the copper and nickel concentrate smelting slag is superior to an alternating current electric furnace, and meanwhile, the utility model overcomes the defect of adopting the direct current electric furnace impoverishing method of an upper-positive lower-negative direct current electric field. The technical process of impoverishing the slag is effectively simplified, the power consumption is reduced, the service life of the furnace is prolonged, and the copper content of final slag is about 0.45 percent. The requirement of direct discharge is achieved to achieve the purposes of increasing the impoverishing speed and saving the power consumption.
Description
Technical field
A kind of slag cleaning furnace of diluting copper and nickel concentrate smelting slag relates to a kind of copper and mickel concentrate pyrometallurgical smelting device.
Background technology
The copper and mickel concentrate is accompanied by copper-nickel matte in the pyrometallurgical smelting process generation can produce a large amount of slags, common cupric higher (0.6%～4%) in the modern various intensified smelting method slags.In order to improve the rate of recovery that copper and mickel is smelted, the content of copper and mickel in the further dilution of slag, the reduction slag must be improved smelting recovery.
The method of dilution smelting slag has several in the pyrometallurgical smelting process of modern in the world copper nickel: the slow cooling floatation: this method technical process is longer, though finishing slag cupric can reach 0.4%, needs to consume other a large amount of materials, and economic benefit is relatively poor; Ac electric arc furnace dilution method: the slag cupric after the dilution is still 0.65%～1%, and ton slag power consumption is at 80Kwh～100Kwh; And electric furnace slag lining refractory material well damage thereby be not expected closely has many factories to replace the trend of this method with floatation; Converter dilution method: domestic not use, though external indivedual the employing, the waste cupric does not possess promotional value all more than 1%.
When the smelting slag of dilution copper and mickel, adopt the effect of dc source dilution to be better than adopting the AC power dilution.The direct current slag cleaning furnace of inventions such as Huang Xiansheng has adopted negative pole directly to insert the copper matte regulus layer and has formed negative just down DC electric field.Thereby positively charged copper ion and nickel ion are subjected to the electric field force effect and are deposited to the purpose that the matte layer that is positioned at the melt bottom reaches the dilution slag to the negative pole migration.But this kind direct current dilution method is defectiveness also, the slag blanket temperature is unbalanced in the whole molten bath, be single positive electrode with furnace bottom between the thermal field that produces of vertical electric arc towards periphery direction be radial decay, slag easily takes place and solidifies in the position far away apart from direct-current arc, has hindered flowing of the matte that avaled between each positive electrode.Matte face height is inconsistent in the whole stove, causes matte discharging difficulty.
The direct current furnace dilution method of people such as Huang Xiansheng invention though effect is better, the slag cupric can reach below 0.5%, has reached the waste requirement, and operation is stable inadequately, and matte discharging difficulty.
Summary of the invention
The purpose of this utility model is exactly the deficiency at above-mentioned various dilution slag methods, the slag cleaning furnace that provide that a kind of dilution is effective, the slag cupric is low, stable operation and matte discharging is easy to diluting copper and nickel concentrate smelting slag.
The purpose of this utility model is achieved through the following technical solutions.
A kind of slag cleaning furnace of diluting copper and nickel concentrate smelting slag, its structure comprise slag cleaning furnace body of heater, DC electrode and dc power supply device, it is characterized in that the positive and negative electrode of its slag cleaning furnace inserts the body of heater inner chamber from the direct current furnace upper vertical.
The slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, the positive and negative electrode that it is characterized in that the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, its number of electrodes is the 2-9 root.
The slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, the positive and negative electrode that it is characterized in that the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, and its positive and negative electrode alternately is arranged in ' one ' font along the centerline direction of body of heater length direction at interval.
The slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, the positive and negative electrode that it is characterized in that the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, its positive and negative electrode becomes ' two ' font along body of heater length direction symmetric arrays, a two row's electrodes wherein row are anodal entirely, another row is a negative pole entirely, and positive number of poles=negative pole quantity or positive number of poles=negative pole number+1.
The slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, the slag cleaning furnace that adopts when the smelted furnace cinder of dilution copper and mickel is that positive and negative electrode is jointly in stove is inserted on stove top the slag blanket, the electrocaloric effect of utilization transverse current in slag blanket is with the slag blanket temperature raising, be present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.
The slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, changed the conventional thought that slag cleaning furnace adopts AC power without exception, dilution effect for the copper and mickel smelted furnace cinder is better than ac electric arc furnace, has overcome simultaneously to adopt the defective of the direct current furnace dilution method of negative DC electric field just down.Effectively simplified the technical process of dilution slag, reduced power consumption, prolonged furnace life, finishing slag cupric about 0.45%.Reached the requirement of direct discharging, to reach the purpose that improves dilution speed, energy efficient.
Description of drawings
The direct current slag cleaning furnace theory structure schematic diagram that Fig. 1 uses for melting of the present utility model.
Structural representation when the electrode of the direct current slag cleaning furnace that Fig. 2 uses for melting of the present utility model is two.
Fig. 3 is the A-A cutaway view of Fig. 2.
Structural representation when the electrode of the direct current slag cleaning furnace that Fig. 4 uses for melting of the present utility model is three.
Fig. 5 is the A-A cutaway view of Fig. 4.
Structural representation when the electrode of the direct current slag cleaning furnace that Fig. 6 uses for melting of the present utility model is four.
Fig. 7 is the A-A cutaway view of Fig. 6.
Structural representation when the electrode of the direct current slag cleaning furnace that Fig. 8 uses for melting of the present utility model is five.
Fig. 9 is the A-A cutaway view of Fig. 8.
Structural representation when the electrode of the direct current slag cleaning furnace that Figure 10 uses for melting of the present utility model is the six roots of sensation.
Figure 11 is the A-A cutaway view of Figure 10.
Another kind of structural representation when the electrode of the direct current slag cleaning furnace that Figure 12 uses for melting of the present utility model is four.
Figure 13 is the A-A cutaway view of Figure 12.
Figure 14 is the B-B cutaway view of Figure 12.
Another kind of structural representation when the electrode of the direct current slag cleaning furnace that Figure 15 uses for melting of the present utility model is five.
Figure 16 is the B-B cutaway view of Figure 15.
Another kind of structural representation when the electrode of the direct current slag cleaning furnace that Figure 17 uses for melting of the present utility model is the six roots of sensation.
Figure 18 is the A-A cutaway view of Figure 17.
Another kind of structural representation when the electrode of the direct current slag cleaning furnace that Figure 19 uses for melting of the present utility model is seven.
Figure 20 is the A-A cutaway view of Figure 19.
Figure 21 is the B-B cutaway view of Figure 19.
Structural representation when the electrode of the direct current slag cleaning furnace that Figure 22 uses for melting of the present utility model is eight.
Figure 23 is the A-A cutaway view of Figure 22.
Figure 24 is the B-B cutaway view of Figure 22.
Structural representation when the electrode of the direct current slag cleaning furnace that Figure 25 uses for melting of the present utility model is nine.
Figure 26 is the A-A cutaway view of Figure 25.
Figure 27 is the B-B cutaway view of Figure 25.
The specific embodiment
A kind of slag cleaning furnace of diluting copper and nickel concentrate smelting slag, its structure comprise slag cleaning furnace body of heater, DC electrode and dc power supply device, and the positive and negative electrode of its slag cleaning furnace inserts the body of heater inner chamber from the direct current furnace upper vertical.
The positive and negative electrode of the direct current slag cleaning furnace that the slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, melting are used is the graphite electrode of lifting, and its number of electrodes is the 2-9 root.
The positive and negative electrode of the direct current slag cleaning furnace that the slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, melting are used is the graphite electrode of lifting, and its positive and negative electrode alternately is arranged in ' one ' font along the centerline direction of body of heater length direction at interval.
The slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag of the present utility model, the positive and negative electrode of the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, its positive and negative electrode becomes ' two ' font along body of heater length direction symmetric arrays, a two row's electrodes wherein row are anodal entirely, another row is a negative pole entirely, wherein positive number of poles=negative pole quantity or positive number of poles=negative pole number+1.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1
A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag adopts the melt of two liftable graphite electrodes in electrode hole inserts slag cleaning furnace body of heater 11.High-voltage ac power 1 is delivered to the primary side of furnace transformer 2, and transformer 2 secondary sides connect fairing 3, three-phase alternating current is rectified into 60 volts～200 volts direct current.The positive pole of dc source is connected to annealed copper wire 8 and receives on the anodal graphite electrode 10 of a liftable of electric furnace by anodal dc switch 4, anodal dc bus 6.The negative pole of dc source is connected to annealed copper wire 8 and receives on the negative pole liftable graphite electrode 9 of electric furnace by negative pole dc switch 5, negative pole dc bus 7.
DC current carries out work through the cathode output end formation loop of the slag → negative pole graphite electrode 9 → annealed copper wire 8 → negative pole dc bus 7 → negative pole dc switch 5 → fairing 3 in the cathode output end → anodal dc switch 4 → anodal dc bus 6 → annealed copper wire 8 → anodal graphite electrode 10 → electric furnace of fairing 3.The electrocaloric effect of utilization transverse current in slag blanket is present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the slag blanket temperature raising with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.
A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag is the melt of three liftable graphite electrodes in electrode hole inserts slag cleaning furnace body of heater 11.High-voltage ac power 1 is delivered to the primary side of furnace transformer 2, and transformer 2 secondary sides connect fairing 3, three-phase alternating current is rectified into 60 volts～200 volts direct current.The positive pole of dc source is connected to annealed copper wire 8 and receives on the anodal graphite electrode 10 of two liftables of electric furnace by anodal dc switch 4, anodal dc bus 6.The negative pole of dc source is connected to annealed copper wire 8 and receives on the negative pole liftable graphite electrode 9 of electric furnace by negative pole dc switch 5, negative pole dc bus 7.
DC current carries out work through the cathode output end formation loop of the slag → negative pole graphite electrode 14 → annealed copper wire 8 → negative pole dc bus 7 → negative pole dc switch 5 → fairing 3 in the cathode output end → anodal dc switch 4 → anodal dc bus 6 → annealed copper wire 8 → anodal graphite electrode 15 → electric furnace of fairing 3.The electric current that is in the positive electrode of graphite negative electrode both sides is pooled on the negative pole and forms loop works.
The electrocaloric effect of utilization transverse current in slag blanket is present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the slag blanket temperature raising with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.
A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag is the melt of four liftable graphite electrodes in electrode hole inserts slag cleaning furnace body of heater 11.High-voltage ac power 1 is delivered to the primary side of furnace transformer 2, and transformer 2 secondary sides connect fairing 3, three-phase alternating current is rectified into 60 volts～200 volts direct current.The positive pole of dc source is connected to annealed copper wire 8 and receives on the anodal graphite electrode 10 of two liftables of electric furnace by anodal dc switch 4, anodal dc bus 6.The negative pole of dc source is connected to annealed copper wire 8 and receives on two negative pole liftable graphite electrodes 9 of electric furnace by negative pole dc switch 5, negative pole dc bus 7.Two positive electrodes and two negative electrodes are " one " font and arrange that the homopolarity domestic animal is non-conterminous, two negative pole formation loops that positive electrode is adjacent respectively
DC current carries out work through the cathode output end formation loop of the slag → negative pole graphite electrode 10 → annealed copper wire 8 → negative pole dc bus 7 → negative pole dc switch 5 → fairing 3 in the cathode output end → anodal dc switch 4 → anodal dc bus 6 → annealed copper wire 8 → anodal graphite electrode 9 → electric furnace of fairing 3.
The electrocaloric effect of utilization transverse current in slag blanket is present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the slag blanket temperature raising with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.
A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag is the melt of five liftable graphite electrodes in electrode hole inserts slag cleaning furnace body of heater 11.High-voltage ac power 1 is delivered to the primary side of furnace transformer 2, and transformer 2 secondary sides connect fairing 3, three-phase alternating current is rectified into 60 volts～200 volts direct current.The positive pole of dc source is connected to annealed copper wire 8 and receives on the anodal graphite electrode 10 of three liftables of electric furnace by anodal dc switch 4, anodal dc bus 6.The negative pole of dc source is connected to annealed copper wire 8 and receives on two negative pole liftable graphite electrodes 9 of electric furnace by negative pole dc switch 5, negative pole dc bus 7.
Three positive electrodes and two negative electrodes are " one " font and arrange that the homopolarity domestic animal is non-conterminous, three negative pole formation loops that positive electrode is adjacent respectively.
DC current carries out work through the cathode output end formation loop of the slag → negative pole graphite electrode 10 → annealed copper wire 8 → negative pole dc bus 7 → negative pole dc switch 5 → fairing 3 in the cathode output end → anodal dc switch 4 → anodal dc bus 6 → annealed copper wire 8 → anodal graphite electrode 9 → electric furnace of fairing 3.The electrocaloric effect of utilization transverse current in slag blanket is present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the slag blanket temperature raising with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.
A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag is the melt of the liftable graphite electrode of the six roots of sensation in electrode hole inserts slag cleaning furnace body of heater 11.High-voltage ac power 1 is delivered to the primary side of furnace transformer 2, and transformer 2 secondary sides connect fairing 3, three-phase alternating current is rectified into 60 volts～200 volts direct current.The positive pole of dc source is connected to annealed copper wire 8 and receives on the anodal graphite electrode 9 of three liftables of electric furnace by anodal dc switch 4, anodal dc bus 6.The negative pole of dc source is connected to annealed copper wire 8 and receives on three negative pole liftable graphite electrodes 10 of electric furnace by negative pole dc switch 5, negative pole dc bus 7.
Three positive electrodes and two negative electrodes are " one " font to be arranged, the non-conterminous layout of same polarity, three negative pole formation loops that positive electrode is adjacent respectively.
DC current carries out work through the cathode output end formation loop of the slag → negative pole graphite electrode 10 → annealed copper wire 8 → negative pole dc bus 7 → negative pole dc switch 5 → fairing 3 in the cathode output end → anodal dc switch 4 → anodal dc bus 6 → annealed copper wire 8 → anodal graphite electrode 9 → electric furnace of fairing 3.The electrocaloric effect of utilization transverse current in slag blanket is present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the slag blanket temperature raising with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag can not face principle layout and work mutually according to same polarity when large-scale electric furnace is provided with seven, eight, nine electrodes.
When positive and negative electrode was two fonts layout along body of heater length direction center line both sides: two a row's electrodes wherein row all were negative electrode, and another row's electrode all is a positive electrode.
A kind of electric furnace of dilution copper-nickel concentrate metallurgical slag is the melt of four liftable graphite electrodes in electrode hole inserts slag cleaning furnace body of heater 11.High-voltage ac power 1 is delivered to the primary side of furnace transformer 2, and transformer 2 secondary sides connect fairing 3, three-phase alternating current is rectified into 60 volts～200 volts direct current.The positive pole of dc source is connected to annealed copper wire 8 and receives on the anodal graphite electrode 10 of two liftables of electric furnace by anodal dc switch 4, anodal dc bus 6.The negative pole of dc source is connected to annealed copper wire 8 and receives on two negative pole liftable graphite electrodes 9 of electric furnace by negative pole dc switch 5, negative pole dc bus 7.
Two positive electrodes and two negative electrodes are, and " two " type arranges that two corresponding with it respectively two negative electrodes of positive electrode form loops.
DC current carries out work through the cathode output end formation loop of the slag → negative pole graphite electrode 10 → annealed copper wire 8 → negative pole dc bus 7 → negative pole dc switch 5 → fairing 3 in the cathode output end → anodal dc switch 4 → anodal dc bus 6 → annealed copper wire 8 → anodal graphite electrode 9 → electric furnace of fairing 3.
The electrocaloric effect of utilization transverse current in slag blanket is present in the copper matte regulus or the past negative pole motion under effect of electric field of copper-nickel matte subparticle of the positively charged in the slag simultaneously with the slag blanket temperature raising with the mechanical entrainment state, grow into bulky grain copper matte regulus particle.Utilize slag and copper matte regulus difference in specific gravity big and sink in the stove in the copper matte regulus layer, reach the purpose of slag depletion.
The electric furnace of five of being along body of heater length direction center line both sides that two fonts arrange of positive and negative electrode, the six roots of sensation, seven, eight, nine electrodes is identical with example six, no longer enumerates.
Claims (4)
1. the slag cleaning furnace of a diluting copper and nickel concentrate smelting slag, its structure comprises slag cleaning furnace body of heater, DC electrode and dc power supply device, it is characterized in that the positive and negative electrode of its slag cleaning furnace inserts the body of heater inner chamber from the direct current furnace upper vertical.
2. the slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag according to claim 1, the positive and negative electrode that it is characterized in that the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, its number of electrodes is the 2-9 root.
3. the slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag according to claim 1, the positive and negative electrode that it is characterized in that the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, and its positive and negative electrode alternately is arranged in ' one ' font along the centerline direction of body of heater length direction at interval.
4. the slag cleaning furnace of a kind of diluting copper and nickel concentrate smelting slag according to claim 1, the positive and negative electrode that it is characterized in that the direct current slag cleaning furnace that melting is used is the graphite electrode of lifting, its positive and negative electrode becomes ' two ' font along body of heater length direction symmetric arrays, a two row's electrodes wherein row are anodal entirely, another row is a negative pole entirely, and positive number of poles=negative pole quantity or positive number of poles=negative pole number+1.
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| CN2010202298351U CN201697459U (en) | 2010-06-10 | 2010-06-10 | Impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag |
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| CN2010202298351U CN201697459U (en) | 2010-06-10 | 2010-06-10 | Impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101001A (en) * | 2020-01-16 | 2020-05-05 | 中国恩菲工程技术有限公司 | One-step nickel smelting system and one-step nickel smelting method |
| CN111121457A (en) * | 2019-12-25 | 2020-05-08 | 广东凤铝铝业有限公司 | Aluminum smelting device and heat treatment method thereof |
-
2010
- 2010-06-10 CN CN2010202298351U patent/CN201697459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121457A (en) * | 2019-12-25 | 2020-05-08 | 广东凤铝铝业有限公司 | Aluminum smelting device and heat treatment method thereof |
| CN111101001A (en) * | 2020-01-16 | 2020-05-05 | 中国恩菲工程技术有限公司 | One-step nickel smelting system and one-step nickel smelting method |
| CN111101001B (en) * | 2020-01-16 | 2023-06-16 | 中国恩菲工程技术有限公司 | One-step nickel smelting system and one-step nickel smelting method |
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Granted publication date: 20110105 Termination date: 20190610 |