CN101839633A - Electrothermal copper-smelting slag depleted furnace body - Google Patents

Electrothermal copper-smelting slag depleted furnace body Download PDF

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Publication number
CN101839633A
CN101839633A CN200910088881A CN200910088881A CN101839633A CN 101839633 A CN101839633 A CN 101839633A CN 200910088881 A CN200910088881 A CN 200910088881A CN 200910088881 A CN200910088881 A CN 200910088881A CN 101839633 A CN101839633 A CN 101839633A
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China
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copper
smelting slag
furnace shell
furnace
furnace body
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CN200910088881A
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蒋继穆
尉克俭
张振民
林晓芳
胡立琼
李栋
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Priority to CN200910088881A priority Critical patent/CN101839633A/en
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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
    • Y02P10/20—Recycling

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Abstract

The invention discloses an electrothermal copper-smelting slag depleted furnace body. The furnace body comprises a furnace shell defining a furnace chamber and a refractory material layer arranged on the inner wall of the furnace shell. The furnace body is characterized in that: the furnace body is provided with a feed inlet for feeding copper-smelting slag and vulcanizing agent into the furnace chamber, a siphon inlet for discharging copper matte, a waste slag-discharging outlet, electrode plugholes, a smoke outlet and an oxygen lance plughole, wherein the oxygen lance plughole is formed at the bottom of the furnace shell. When the electrothermal copper-smelting slag depleted furnace body is used for bottom-blowing electrothermal copper-smelting slag depletion, the copper content in waste slag can be reduced, and electricity consumption can be decreased.

Description

Electrothermal copper-smelting slag depleted furnace body
Technical field
The present invention relates to a kind of electrothermal copper-smelting slag depleted furnace body, especially relate to a kind of body of heater of copper smelting slag electric heating bottom blowing dilution stove.
Background technology
At present, adopt the large-scale copper smelting plant of advanced melting technique, for reducing the blowing load, all adopt higher copper matte regulus grade, the copper matte regulus grade that is output is higher, wherein than the copper content in the high-grade copper matte regulus in 50～70% scopes, copper smelting slag cupric fluctuates in 2%～8% scope.
In order to reclaim the copper in the copper smelting slag, the copper smelting slag adopts electric dilution traditionally, the copper smelting slag is joined in the electric furnace, thereby the copper in the copper smelting slag is settled down the temperature raising of copper smelting slag with the copper matte regulus form by heated by electrodes, separates with waste.
The body of heater of tradition slag cleaning furnace has charge door, electrode jack, slag tap, exhaust opening and copper matte regulus outlet.The copper smelting slag of fusion joins in the electric stove hearth by charge door, improves copper smelting slag temperature by heated by electrodes, separates copper matte regulus and waste thereby reduce its viscosity.
But, when using traditional slag cleaning furnace that the copper smelting slag is carried out dilution, be subjected to the restriction of slag cupric and copper matte regulus cupric distribution coefficient (being roughly 1: 100), copper content in the heavy waste of sorting after dilution of electric furnace generally fluctuates in the scope 0.6%～1%, therefore the copper content in the waste is still higher, causes the wasting of resources.
In addition, when adopting high iron slag type, owing to contain lot of F e in the copper smelting slag 3O 4, cause the viscosity of copper smelting slag big, fusing point is high, thereby the separation difficulty of copper matte regulus and waste generally adopts slow cooling, slag ore-dressing technique.The slag ore dressing needs a large amount of slow cold slag bins, and slag needs fragmentation, abrading-ball, flotation, and technological process is long, floor space is big.
Summary of the invention
The present invention is intended to solve at least one of above-mentioned technical problem that exists in the prior art.For this reason, one object of the present invention is to propose a kind of copper smelting slag dilution furnace body, utilizes this electrothermal copper-smelting slag depleted furnace body that the copper smelting slag is carried out dilution, can reduce the copper content in the waste.
To achieve these goals, the present invention proposes a kind of electrothermal copper-smelting slag depleted furnace body, described body of heater comprises the furnace shell that limits burner hearth and is located at refractory masses on the furnace shell inwall that described body of heater has: be used for adding in burner hearth the copper smelting slag of fusion and the charge door of vulcanizing agent, the siphon port of discharging copper matte regulus, the waste floss hole, electrode jack, exhaust opening, with the oxygen lance jack, wherein said oxygen lance jack is formed on the bottom of furnace shell.
According to electrothermal copper-smelting slag depleted furnace body of the present invention,, be used for for example in burner hearth, spraying into oxygen by the oxygen lance that inserts wherein owing to be provided with the oxygen lance jack in the bottom of body of heater.Simultaneously, owing to added vulcanizing agent from charge door in burner hearth, a part of sulphur in the vulcanizing agent and oxygen reaction generate SO 2, CuO in a part of sulphur and slag reaction generates CuS, makes the copper that exists with the CuO form in the smelting slag obtain reclaiming the Fe in some sulphur and the slag with the form that the CuS kenel enters copper matte regulus thus 3O 4Reaction generates FeS, enters copper matte regulus, has reduced the grade of copper matte regulus.
For example, described vulcanizing agent can also can be used element S, FeS for pyrite or the high low taste copper concentrate of sulfur-bearing 2Add thermal decomposition and decompose and to obtain FeS and S, S respectively with oxygen, slag in CuO and the Fe in the slag 3O 4Reaction, in the case, the SO that reaction generates 2, CuS, Cu 2S, FeS enter copper matte regulus, have reduced the grade of copper matte regulus thus.
Based on 1: 100 cupric distribution ratio between slag and copper matte regulus, just can reduce copper content in the waste by the grade that reduces copper matte regulus, reduced the copper amount that abandons with waste, the rate of recovery and the resource utilization of raising copper.
In addition, because a part of sulphur and Fe 3O 4Reaction has reduced the Fe in the slag 3O 4Content, thus the viscosity and the fusing point of slag reduced, and sedimentation from slag enters copper matte regulus and separates with waste with CuS to help Cu, improves sinking speed and efficient.Thereby the reduction power consumption reduces cost.
Also can be called " copper smelting slag electric heating bottom blowing dilution furnace body " according to electrothermal copper-smelting slag depleted furnace body of the present invention.
In addition, electrothermal copper-smelting slag depleted furnace body of the present invention also has following additional technical feature:
Described body of heater also comprises the carbon monoxide entrance that is formed on bottom of furnace body.
Can in burner hearth, spray into carbon monoxide by the carbon monoxide entrance, the Fe in carbon monoxide and the copper smelting slag 3O 4Reaction generates carbon dioxide and FeO, has further reduced the Fe in the slag in the burner hearth 3O 4Content, further reduce the viscosity and the fusing point of slag, sedimentation from slag enters copper matte regulus with separating with CuS to help Cu, improves dilution efficient.Reduce power consumption and cost.
In addition, carbon monoxide and CuO participate in reaction and generate carbon dioxide and Cu, increase its proportion, can increase the sedimentation separation speed of copper matte regulus, raise the efficiency.
And carbon monoxide also has agitaion, and the polymerization of particulate cupric material is grown up, and quickens sedimentation and separates with waste, raises the efficiency.
Described body of heater also has the nitrogen entrance.And then described nitrogen entrance and described carbon monoxide entrance are same entrance.
Can in burner hearth, spray into nitrogen by nitrogen inlet, in the process that rises in the slag of nitrogen in burner hearth, have certain agitaion, the polymerization of particulate cupric material is grown up, quicken sedimentation and separate with waste.Simultaneously, nitrogen increases CuO and contacts, collides with CuS in uphill process, produces cross reaction, generates Cu and SO 2, also help copper sedimentation separation from slag and enter copper matte regulus, reach the purpose of further reduction waste cupric, improve the rate of recovery of copper.
In burner hearth, spray into the mist of nitrogen and carbon monoxide simultaneously by same entrance, reduced the open amount on the body of heater, reduced cost.
Be provided with fire-resistant air brick respectively at carbon monoxide entrance and nitrogen entrance place on the refractory masses in burner hearth.
By fire-resistant air brick is set, carbon monoxide and nitrogen can be distributed in the slag, thereby improves the dilution effect.
Described charge door comprises first charge door and second charge door, the top that the end face that wherein said first charge door is used for adding the copper smelting slag of fusion in burner hearth and is located at furnace shell first end, second charge door are used for adding vulcanizing agent in burner hearth and are formed on furnace shell.
Can add copper smelting slag and vulcanizing agent respectively by two charge doors respectively.Be arranged on the end face of first end of body of heater by first charge door that will be used to add the copper smelting slag, can reduce the whole height of body of heater, and then reduce the height of factory building.
Described body of heater is a Horizontal Cylindrical Tank.By being arranged to Horizontal Cylindrical Tank, rotating furnace body 180 is spent easily, thereby is convenient to change operations such as oxygen lance, maintenance.
Outer surface upper edge at described furnace shell is circumferentially with tooth bar and bracing ring.Support body of heater by bracing ring is set, driving the lip-deep tooth bar of furnace shell by drive unit then can rotating furnace, thereby is convenient to change parts for example oxygen lance and maintenance operation.
First end of furnace shell has the radial dimension expansion section, and described charge door, oxygen lance jack and siphon port be located at the radial dimension expansion section of first end of furnace shell, and described exhaust opening and waste floss hole are located at second end of furnace shell.
Described charge door, siphon port and oxygen lance jack are located at first end of furnace shell, and exhaust opening is located at second end of furnace shell and is positioned at the top of furnace shell, and the waste floss hole is located on the end face of furnace shell second end.
By charge door and oxygen lance jack are arranged on same end, can make oxygen contact fast and react raising dilution efficient with S in the material that adds.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the cross-sectional schematic according to the electrothermal copper-smelting slag depleted furnace body of the embodiment of the invention;
Fig. 2 is the schematic appearance of electrothermal copper-smelting slag depleted furnace body shown in Figure 1;
Fig. 3 is the cross-sectional schematic of the electrothermal copper-smelting slag depleted furnace body of another embodiment of the present invention;
Fig. 4 has the schematic diagram of the electrothermal copper-smelting slag depleted furnace of electrothermal copper-smelting slag depleted furnace body according to an embodiment of the invention.
The specific embodiment
Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
Below with reference to Fig. 1 and 2 electrothermal copper-smelting slag depleted furnace body 1 is according to an embodiment of the invention described.
In the example shown in Fig. 1 and 2, electrothermal copper-smelting slag depleted furnace body 1 is a Horizontal Cylindrical Tank, but the present invention is not limited to this.Body of heater 1 comprises the furnace shell 1a that limits a burner hearth and is located at refractory masses 1b on the furnace shell 1a inwall.Body of heater 1 is formed with charge door 11, siphon port 12, and waste floss hole 13, electrode jack 17, exhaust opening 14 and oxygen lance jack 16, oxygen lance jack 16 is formed on the bottom of furnace shell 1a.
Charge door 11 is located at first end (left end among Fig. 1) of furnace shell 1a, is used for adding in burner hearth the copper smelting slag and the vulcanizing agent of fusion, and vulcanizing agent for example is the high low taste copper concentrate of pyrite or sulfur-bearing.As shown in Figure 1, in an example of the present invention, charge door 11 comprises first charge door 111 and second charge door 112.First charge door 111 is located on the end face of first end of furnace shell 1a, is used for adding in burner hearth the copper smelting slag.Second charge door 112 is formed on the top of furnace shell 1a, is used for adding in burner hearth vulcanizing agent.
The phenomenon of smoldering that produces when joining in the burner hearth by a charge door by charge door 11 being formed first charge door 111 and second charge door 112 that is respectively applied for adding copper smelting slag and vulcanizing agent, can reducing copper smelting slag and vulcanizing agent.In addition, be arranged on the end face of first end of furnace shell 1a, can reduce the height of furnace shell 1a, thereby can reduce the height of factory building, reduce cost thus by first charge door 111 that will be used to add the copper smelting slag.
Siphon port 12 is located at the bottom of furnace shell 1a first end and the inner bottom part of contiguous burner hearth, is used to discharge the copper matte regulus that separates with waste.Waste floss hole 13 is located on the end face of second end (right-hand member among Fig. 1) of furnace shell 1a, is used to discharge the waste that separates with copper matte regulus.Certainly and since waste be positioned at copper matte regulus above, so waste floss hole 13 should be higher than siphon port 12.
Electrode jack 17 is located at the top of furnace shell 1a and is positioned at furnace shell 1a cardinal principle middle part longitudinally, is used to insert electrode 7 (referring to Fig. 4), with vulcanizing agent in the fusing adding burner hearth and the temperature that improves the copper smelting slag.Exhaust opening 14 is located at second end of furnace shell 1a and is positioned at the top of furnace shell 1a, is used to discharge the flue gas in the burner hearth.Oxygen lance jack 16 is positioned at first end of furnace shell 1a and is formed on the bottom of furnace shell 1a, is used to insert oxygen lance 6 (referring to Fig. 4), to spray into oxygen in burner hearth.
As shown in Figure 1, in an example of the present invention, body of heater 1 also further comprises the carbon monoxide entrance 15a that is formed on furnace shell 1a bottom, and carbon monoxide entrance 15a is positioned at the right side of oxygen lance jack 16, is used for spraying in burner hearth carbon monoxide.In addition, body of heater 1 also comprises the nitrogen entrance 15b that is formed on furnace shell 1a bottom, is used for spraying in burner hearth nitrogen.
In an example of the present invention, nitrogen entrance 15b and carbon monoxide entrance 15a can be same entrance, and in other words, the mist of nitrogen and carbon monoxide is injected in the burner hearth together from same entrance.That is to say that carbon monoxide entrance 15a is also as the nitrogen entrance that sprays into nitrogen in burner hearth, nitrogen entrance 15b is also as the carbon monoxide entrance that sprays into carbon monoxide in burner hearth.By entrance 15 is used as nitrogen entrance and carbon monoxide entrance simultaneously, can reduce the number of openings on the body of heater 1.
In an example of the present invention, as shown in Figure 1, be provided with fire-resistant air brick 8 respectively at carbon monoxide entrance 15a and nitrogen entrance 15b place on the refractory masses 1b in burner hearth, by fire-resistant air brick 8 is set, nitrogen and CO gas are injected in the slag of the fusion in the burner hearth more equably.Can be provided with at carbon monoxide entrance 15a and nitrogen entrance 15b place and to spray into pipe or nozzle.
As shown in Figure 2, thereby be convenient to change operations such as oxygen lance and maintenance, be circumferentially with tooth bar 3 and bracing ring 2 in the outer surface upper edge of furnace shell 1a for body of heater 1 is rotated around its axis.In example shown in Figure 2, be respectively arranged with a bracing ring 2 at the two ends of furnace shell 1a, bracing ring 2 will be supported on the bearing 4, drive rotating furnace body 1 (referring to Fig. 4) thereby tooth bar 3 links to each other with drive unit 5 by drive unit 5, will describe in detail below.
Below with reference to Fig. 3 electrothermal copper-smelting slag depleted furnace body 1 is according to another embodiment of the present invention described.First end of the furnace shell 1a of electrothermal copper-smelting slag depleted furnace body 1 shown in Figure 3 has the radial dimension expansion section, and the radial dimension expansion section can be set as required along the axial length of furnace shell 1a.Thus, the radial dimension of the burner hearth of first end also enlarges.
First charge door 111 and second charge door 112 are located at the radial dimension expansion section place of first end of furnace shell 1a, and first charge door 111 is positioned at the top of furnace shell 1a, and second charge door 112 is positioned on the end face of first end of furnace shell 1a.Oxygen lance jack 16 also be located at furnace shell 1a first end radial dimension expansion section place and be positioned at the bottom of furnace shell 1a.Siphon port 12 also is arranged on the radial dimension expansion section of first end and near the inner bottom part of the burner hearth of radial dimension expansion section.Exhaust opening 14 and waste floss hole 13 are located at second end of furnace shell 1a.More specifically, exhaust opening 14 is positioned at the top of furnace shell second end,, waste floss hole 13 is positioned on the end face of second end.
Because first end at furnace shell 1a is provided with the radial dimension expansion section, therefore the copper matte regulus that separates with waste concentrates on the inner bottom part of the burner hearth at place, expansion section easily, discharge by siphon port 12, and waste is discharged by waste floss hole 13, because siphon port 12 is positioned at the radial dimension bellend, increased the heavy clear time, so the influence of the discharging of the copper matte regulus gas that is not easy to be sprayed into, the dregginess in the copper matte regulus reduces.
Electrothermal copper-smelting slag depleted furnace body shown in Figure 3 is identical with other structures of electrothermal copper-smelting slag depleted furnace body shown in Figure 1, is not described in detail here.
Describing the electrothermal copper-smelting slag depleted furnace that has according to the electrothermal copper-smelting slag depleted furnace body of the embodiment of the invention below with reference to Fig. 4, is that example is described with body of heater shown in Figure 1 wherein.
As shown in Figure 4, electrothermal copper-smelting slag depleted furnace body 1 is rotatably supported by bearing 4 by bracing ring 2, and drive unit 5 combines with tooth bar 3 and is used to drive body of heater 1 rotation.
In electrode jack 17, be inserted with electrode 7, be used to improve melt temperature, reduce slag viscosity.Insert aerobic gas spray gun 6 in the oxygen lance jack 16, be used in burner hearth, spraying into oxygen.As shown in Figure 4, the body of heater 1 certain angle a that can tilt, second end that is body of heater 1 is higher than first end, the angle a that tilts for example is 0.5～5 degree, thereby the copper matte regulus that separates with waste concentrates on first end in the burner hearth, waste near the deslagging end no longer contacts with copper matte regulus, can not be subjected to the restriction of 1: 100 distribution coefficient of cupric in slag and the copper matte regulus, creates favorable conditions for very big limit reduces the slag cupric.
The operation that has according to the electrothermal copper-smelting slag depleted furnace of the electrothermal copper-smelting slag depleted furnace body 1 of the embodiment of the invention is described below in conjunction with Fig. 1 and Fig. 4.
Add an amount of vulcanizing agent and the copper smelting slag of fusion by first charge door 111 and second charge door 112 in burner hearth respectively, described vulcanizing agent for example is a pyrite.
Electrode 7 energisings are to improve the melt temperature in the burner hearth.Simultaneously, in burner hearth, spray into oxygen by oxygen lance 6 from the bottom of body of heater 1, and in burner hearth, spray into the mist of carbon monoxide and nitrogen by carbon monoxide entrance 15a and nitrogen entrance 15b from the bottom of body of heater 1.Certainly, also can in burner hearth, spray into carbon monoxide from the bottom of body of heater 1, and in burner hearth, spray into nitrogen from the bottom of body of heater 1 by nitrogen entrance 15b by carbon monoxide entrance 15a.
A part of sulphur in the vulcanizing agent and oxygen reaction generate SO 2, the CuO reaction in a part of sulphur and the slag generates SO 2And CuS, make the copper that exists with the CuO form in the smelting slag obtain reclaiming the Fe in some sulphur and the slag thus with the form of copper matte regulus 3O 4Reaction generates SO 2And FeS, S and Fe 3O 4The FeS that reaction generates enters copper matte regulus, has reduced the grade of copper matte regulus.
Based on 1: 100 cupric distribution ratio between slag and copper matte regulus, utilize body of heater of the present invention to carry out the copper matte regulus grade that dilution obtains and reduce, the cupric of copper matte regulus＜35% for example, thus reduce copper content in the waste, for example the copper content in the waste has reduced the copper amount that abandons with waste thus less than 0.4%.
In addition, because a part of sulphur and Fe 3O 4Reaction has reduced the Fe in the slag 3O 4Content, thereby the viscosity and the fusing point of reduction slag, sedimentation from slag enters copper matte regulus with separating with CuS to help Cu, has improved the rate of recovery of copper.
And, the Fe in carbon monoxide and the copper smelting slag 3O 4Reaction generates carbon dioxide and FeO, has further reduced the Fe in the slag in the burner hearth 3O 4Content, further reduce the viscosity and the fusing point of slag, sedimentation from slag enters copper matte regulus with separating with CuS to help Cu, improves copper recovery.
In addition, carbon monoxide and CuO participate in reaction and generate carbon dioxide and Cu, increase its proportion, can increase the sedimentation separation speed of copper matte regulus, have improved efficient.
In the process that in the slag of nitrogen in burner hearth, rises, have certain agitaion, the polymerization of particulate cupric material is grown up, quicken sedimentation and separate with waste.Simultaneously, nitrogen increases CuO and contacts, collides with CuS in uphill process, produces cross reaction, generates Cu and SO2, also helps copper sedimentation separation from slag and enters copper matte regulus, reaches the purpose of further reduction waste cupric, improves the rate of recovery of copper.And the carbon monoxide that sprays into also has certain agitaion, thereby can play the effect identical with the nitrogen that sprays into.
Thus, copper in the copper smelting slag is deposited to burner hearth bottom with the form of copper matte regulus and separates with waste, and because the grade of copper matte regulus is low, thereby can reduce the copper content of waste, copper matte regulus is discharged burner hearth by the siphon port on the body of heater 1 12, and the waste above the copper matte regulus is discharged burner hearth by waste floss hole 13.
When after using after a while, needing to change oxygen lance or maintenance, can blowing out, and by drive unit 5 rotating furnace body 1 in the scopes of 90 degree, thereby be convenient to change oxygen lance and or maintenance operation.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.

Claims (10)

1. electrothermal copper-smelting slag depleted furnace body, described body of heater comprises the furnace shell that limits burner hearth, refractory masses with being located on the furnace shell inwall is characterized in that, described body of heater has: the charge door that is used for adding copper smelting slag and vulcanizing agent in burner hearth, the siphon port of discharging copper matte regulus, the waste floss hole, electrode jack, exhaust opening, with the oxygen lance jack, wherein said oxygen lance jack is formed on the bottom of furnace shell.
2. electrothermal copper-smelting slag depleted furnace body according to claim 1 is characterized in that, described body of heater also comprises the carbon monoxide entrance that is formed on the furnace shell bottom.
3. electrothermal copper-smelting slag depleted furnace body according to claim 2 is characterized in that, described body of heater also has the nitrogen entrance that is formed on the furnace shell bottom.
4. electrothermal copper-smelting slag depleted furnace body according to claim 3 is characterized in that, described nitrogen entrance and the same entrance of described carbon monoxide entrance.
5. electrothermal copper-smelting slag depleted furnace body according to claim 2 is characterized in that, is provided with fire-resistant air brick respectively at carbon monoxide entrance and nitrogen entrance place in burner hearth.
6. electrothermal copper-smelting slag depleted furnace body according to claim 1, it is characterized in that, described charge door comprises first charge door and second charge door, the top that the end face that wherein said first charge door is used for adding the copper smelting slag in burner hearth and is located at furnace shell first end, second charge door are used for adding vulcanizing agent in burner hearth and are formed on furnace shell.
7. according to each described electrothermal copper-smelting slag depleted furnace body among the claim 1-6, it is characterized in that described body of heater is a Horizontal Cylindrical Tank.
8. electrothermal copper-smelting slag depleted furnace body according to claim 7 is characterized in that, is circumferentially with tooth bar and bracing ring in the outer surface upper edge of furnace shell.
9. electrothermal copper-smelting slag depleted furnace body according to claim 7, it is characterized in that, first end of furnace shell has the radial dimension expansion section, and described charge door, oxygen lance jack and siphon port are located at the radial dimension expansion section of first end of furnace shell, and described exhaust opening and waste floss hole are located at second end of furnace shell.
10. electrothermal copper-smelting slag depleted furnace body according to claim 1, it is characterized in that, described charge door, siphon port and oxygen lance jack are located at first end of furnace shell, described exhaust opening is located at second end of furnace shell and is positioned at the top of furnace shell, and described waste floss hole is located on the end face of furnace shell second end.
CN200910088881A 2009-07-21 2009-07-21 Electrothermal copper-smelting slag depleted furnace body Pending CN101839633A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230091A (en) * 2011-06-13 2011-11-02 中国恩菲工程技术有限公司 Oxygen-enriched bottom-blown matte smelting furnace and oxygen-enriched bottom-blown matte smelting technology
CN102242277A (en) * 2011-06-13 2011-11-16 中国恩菲工程技术有限公司 Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper
CN107338361A (en) * 2017-01-22 2017-11-10 梁瑞兵 Energy-saving type heat-preserving external crucible and its application method
CN108165755A (en) * 2017-12-26 2018-06-15 中国恩菲工程技术有限公司 Copper weld pool slag for comprehensive recovery method
CN110986572A (en) * 2019-12-11 2020-04-10 郴州雄风环保科技有限公司 Front bed of lead reduction furnace

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230091A (en) * 2011-06-13 2011-11-02 中国恩菲工程技术有限公司 Oxygen-enriched bottom-blown matte smelting furnace and oxygen-enriched bottom-blown matte smelting technology
CN102242277A (en) * 2011-06-13 2011-11-16 中国恩菲工程技术有限公司 Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper
CN102242277B (en) * 2011-06-13 2012-10-10 中国恩菲工程技术有限公司 Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper
CN107338361A (en) * 2017-01-22 2017-11-10 梁瑞兵 Energy-saving type heat-preserving external crucible and its application method
CN108165755A (en) * 2017-12-26 2018-06-15 中国恩菲工程技术有限公司 Copper weld pool slag for comprehensive recovery method
CN108165755B (en) * 2017-12-26 2019-09-27 中国恩菲工程技术有限公司 Copper weld pool slag for comprehensive recovery method
CN110986572A (en) * 2019-12-11 2020-04-10 郴州雄风环保科技有限公司 Front bed of lead reduction furnace

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Application publication date: 20100922