CN102242277A - Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper - Google Patents

Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper Download PDF

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Publication number
CN102242277A
CN102242277A CN2011101588483A CN201110158848A CN102242277A CN 102242277 A CN102242277 A CN 102242277A CN 2011101588483 A CN2011101588483 A CN 2011101588483A CN 201110158848 A CN201110158848 A CN 201110158848A CN 102242277 A CN102242277 A CN 102242277A
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oxygen
copper
enriched
heater
slag
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CN102242277B (en
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蒋继穆
黄祥华
张振民
陈知若
颜杰
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Dongying Fangyuan Nonferrous Metals Co., Ltd.
Shuikoushan Nonferrous Metal Co., Ltd.
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China ENFI Engineering Corp
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Abstract

The invention brings forward an oxygen-rich bottom blown copper smelter and an oxygen-rich bottom blown technology for extraction of copper. The oxygen-rich bottom blown copper smelter comprises a furnace body which defines a cavity therein and is provided with a feed inlet, a flue gas outlet, a copper sulfonium outlet, a slag hole, oxygen lance jacks formed in the bottom of the furnace body and oxygen lances which are inserted in the oxygen lance jacks for blowing oxygen-rich gas into a copper sulfonium layer in the cavity. According to the oxygen-rich bottom blown copper smelter and the oxygen-rich bottom blown technology for extraction of copper in embodiments of the invention, materials need not to be granulated, thereby simplifying the operation of smelting and reducing cost; most oxygen reacts with sulfides in the copper sulfonium layer, little oxygen enters with reacted gas into a slag layer from the copper sulfonium layer, the content of resultant magnetic iron in slag is low, viscosity of the slag is reduced, an insulating layer is not easy to form, and copper and sulfonium in the slag is easy to settle, thereby allowing a high iron slag type to be employed to reduce the rate of fusing agents, a slag rate and loss of copper in the slag; simultaneously, foamed slag is not easy to generate, good security is obtained, and mushroom heads, which protect oxygen lances and endow oxygen lances with a long life, are easy to form on the upper ends of oxygen lances.

Description

Oxygen-enriched bottom-blowing copper smelting furnace and oxygen-enriched bottom-blowing copper metallurgy technology
Technical field
The present invention relates to a kind of oxygen-enriched bottom-blowing copper smelting furnace and oxygen-enriched bottom-blowing copper metallurgy technology.
Background technology
Flash smelting and bath smelting are the pyrometallurgical smelting processes of two big class widespread uses.Bath smelting is because raw material need not depth drying, obtained using widely, for example, the present Noranda process that exists, Wa Niukefufa (the vertical copper water jacket type of furnace), top-submerged lance method (fixed cylinder shaft furnace type) etc., these fused bath smelting methods have relative merits separately.
For example, Noranda process is the reactor that adopts a similar pierce smith converter, is provided with an air draft eye at a side of reactor, and air or oxygen-rich air blast in the reaction vessel from the eye of wind.But, the problem that Noranda process exists is owing to adopt the single face side-blown, gas-liquid mixed is inhomogeneous, exist the side-blown of melting dead angle and single face easily refractory materials in the reaction vessel particularly to be produced serious washing away near the part of the eye of wind again, reduced the life-span, oxygen-rich concentration is difficult to improve, and the utilization ratio of oxygen is low.
Chinese patent CN1072962A (ZL9210699) proposes a kind of bottom blowing copper metallurgy technology and reaction vessel, and wherein said reaction vessel has bellend, and siphon port, slag notch and fume emission mouth all are located at the bellend away from oxygen rifle district.The reason that this reaction vessel is provided with bellend is to reduce the melt degree of depth in oxygen blast district, can reduce the operating pressure of oxygen rifle thus, and improves the melt situation in the reaction vessel, and the promotion copper matte regulus separates with slag, reduces the slag cupric.
Summary of the invention
One object of the present invention is to propose a kind of fusion process and operates, makes oxygen-enriched bottom-blowing copper smelting furnace simple, that the melting effect improves easily.
Another object of the present invention is to propose a kind of easy to control, oxygen-enriched bottom-blowing copper metallurgy technology that the melting effect improves.
To achieve these goals, according to first aspect present invention embodiment a kind of oxygen-enriched bottom-blowing copper smelting furnace is proposed, comprise: body of heater be limited with furnace chamber in the described body of heater, and described body of heater has charging opening, exhanst gas outlet, copper matte regulus outlet, slag notch and is formed on the oxygen rifle jack of bottom of furnace body; With the oxygen rifle, described oxygen rifle is inserted in the described oxygen rifle jack oxygen rich gas is blown in the copper matte regulus layer in the described furnace chamber.
According to the oxygen-enriched bottom-blowing copper smelting furnace of the embodiment of the invention, copper-contained material need not to granulate, and has therefore simplified smelting operation, has reduced cost.The oxygen major part is reacted with sulfide in the copper matte regulus layer, few with reacted gas from the oxygen that the copper matte regulus layer enters in the slag blanket, the Armco magnetic iron content that generates in the slag is few, the viscosity of slag reduces, be not easy to form sealing coat, copper matte regulus in the slag settles down easily, thereby can adopt high iron slag type, reduction stone rate and slag rate, reduces the loss of copper in the slag.Simultaneously, be not easy to produce foamy slag, security is good, and the easy mushroom head that forms in oxygen rifle upper end, protection oxygen rifle, and the life-span is long.
In a preferred embodiment of the invention, the upper end of described oxygen rifle is concordant with the interior diapire of described furnace chamber.
In a preferred embodiment of the invention, the bottom surface of described furnace chamber is concordant.
In a preferred embodiment of the invention, described body of heater is radial dimension unanimity on the axial direction due of described body of heater that round shape and described furnace chamber have circular cross section and described furnace chamber.
Oxygen-enriched bottom-blowing copper smelting furnace according to a preferred embodiment of the present invention further comprises: bracket; Backing ring, described backing ring are set on the described body of heater and rotatably are supported on the described bracket; Gear ring, described gear ring are set on the described body of heater; And drive unit, institute's drive unit links to each other with described gear ring and is used for driving described body of heater rotation by driving described gear ring rotation.
In a preferred embodiment of the invention, described charging opening and described exhanst gas outlet are located at the top of described body of heater and spaced apart along the axial direction due of described body of heater, and described slag notch is formed on the end face of described body of heater.
In a preferred embodiment of the invention, described copper matte regulus exports on the end face that is located at the body of heater relative with slag notch or the bottom, side of body of heater.
In a preferred embodiment of the invention, further be provided with the burner mouth on the described body of heater and visit the material mouth, wherein in described burner mouth, be provided with burner.
In a preferred embodiment of the invention, the opening direction of described oxygen rifle jack and the angle α between the direction straight down are 0 °≤α≤+ 60 °.
In a preferred embodiment of the invention, the opening direction of described oxygen rifle jack and the angle α between the direction straight down are-60 °≤α≤0 °.
According to second aspect present invention embodiment a kind of oxygen-enriched bottom-blowing copper metallurgy technology of utilizing the oxygen-enriched bottom-blowing copper smelting furnace to carry out is proposed, wherein said oxygen-enriched bottom-blowing copper smelting furnace comprises body of heater and oxygen rifle, be limited with the oxygen rifle jack that furnace chamber and described body of heater have charging opening, exhanst gas outlet, copper matte regulus outlet, slag notch and be formed on bottom of furnace body in the described body of heater, described oxygen rifle is inserted in the described oxygen rifle jack, and described oxygen-enriched bottom-blowing copper metallurgy technology may further comprise the steps: copper-contained material and flux are joined in the described furnace chamber from described charging opening; Utilize described oxygen rifle to be blown into oxygen rich gas to carry out melting in furnace chamber, wherein said oxygen rich gas is blown in the copper matte regulus layer of described furnace chamber bottom; With discharge copper matte regulus, slag and flue gas respectively from the outlet of described copper matte regulus, described slag notch and described exhanst gas outlet.
According to the oxygen-enriched bottom-blowing copper metallurgy technology of the embodiment of the invention, smelting operation is simple, the efficient height, and life-span of oxygen lance is long.
In a preferred embodiment of the invention, the oxygen concentration of described oxygen rich gas is 22%-99%.
In a preferred embodiment of the invention, the oxygen concentration of described oxygen rich gas is 70%-80%.
In a preferred embodiment of the invention, the stokehold pressure of described oxygen rich gas is 0.25-1.2MPa.
In a preferred embodiment of the invention, the stokehold pressure of described oxygen rich gas is 0.4-0.6MPa.
In a preferred embodiment of the invention, described slag discontinuous discharging.
In a preferred embodiment of the invention, the degree of depth of the melt in the described furnace chamber is identical.
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 synoptic diagram of oxygen-enriched bottom-blowing copper smelting furnace according to an embodiment of the invention;
Fig. 2 is the body of heater longitudinal sectional view of oxygen-enriched bottom-blowing copper smelting furnace shown in Figure 1;
Fig. 3 is the transverse sectional view of the body of heater of oxygen-enriched bottom-blowing copper smelting furnace shown in Figure 1; With
Fig. 4 is the schema of oxygen-enriched bottom-blowing copper metallurgy technology according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.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.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than the device or the element of indication or hint indication must have specific orientation, therefore orientation structure and operation with specific can not be interpreted as limitation of the present invention.
In description of the invention, need to prove that unless clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, visual particular case is understood above-mentioned term concrete implication in the present invention.
The present invention is based on the discovery below the present inventor: Chinese patent CN1072962A has proposed a kind of bottom blowing copper metallurgy reaction vessel, though bellend can be improved melt situation in the reaction vessel, reduces oxygen rifle pressure.Yet owing to be provided with bellend, the molten bath in the reaction vessel shoals, and fusion process is not easy control, and oxygen blows easily to be worn the copper matte regulus layer and enter slag blanket above the copper matte regulus layer, and the utilization ratio of oxygen is low, and poor stability, the advantage of the bottom-blown smelting that weakened.
Particularly, for above-mentioned bottom blowing copper metallurgy reaction vessel, in fusion process, the oxygen that enters slag blanket is many, and then FeO in the slag and oxygen reaction generate Fe 3O 4(Armco magnetic iron) because ferromagnetic viscosity is big, thereby forms sealing coat easily between slag and copper matte regulus layer, above melting produces in the slag blanket copper matte regulus drop be not easy to pass sealing coat and be deposited to the copper matte regulus layer, influenced the melting effect, and the increase of the copper content in the slag.And, being easy to generate foamy slag, security reduces.In addition, above-mentioned bottom-blown smelting need be granulated raw material, thus complicated operation, and the concentration of oxygen is restricted, otherwise can reduce life-span of oxygen lance.
Below with reference to oxygen-enriched bottom-blowing copper smelting furnace and the oxygen-enriched bottom-blowing copper metallurgy technology of accompanying drawing description according to the embodiment of the invention.
At first with reference to the oxygen-enriched bottom-blowing copper smelting furnace of figure 1-3 description according to the embodiment of the invention.As Figure 1-3, the oxygen-enriched bottom-blowing copper smelting furnace comprises body of heater 1 and oxygen rifle 2 according to an embodiment of the invention.
Particularly, be limited with furnace chamber Q in the body of heater 1, the molten bath is formed at the bottom of furnace chamber Q, and the molten bath is divided into and is positioned at top slag blanket ZC and is positioned at following copper matte regulus layer LC, and the liquid level of slag blanket is Z, and the liquid level of copper matte regulus layer is L.Body of heater 1 has charging opening 11, exhanst gas outlet 12, copper matte regulus outlet 13, slag notch 14 and is formed on the oxygen rifle jack 15 of the bottom of body of heater 1.
Oxygen rifle 2 is inserted in the oxygen rifle jack 15 oxygen rich gas is blown in the copper matte regulus layer LC in the furnace chamber Q.Be understandable that, in order to guarantee oxygen rifle 2 oxygen rich gas be blown in the copper matte regulus layer LC that it is unsuitable long that oxygen rifle 2 stretches into the length of furnace chamber Q, oxygen rifle 2 inserts the concrete degree of depth of furnace chamber Q and can set according to the parameter (for example degree of depth in molten bath) of oxygen bottom-blowing.
According to the oxygen-enriched bottom-blowing copper smelting furnace of the embodiment of the invention, copper-contained material and flux, fine coal and return dirt and can directly join in the furnace chamber Q from charging opening 11 need not to granulate, and have therefore simplified smelting operation, have reduced cost.
According to the oxygen-enriched bottom-blowing copper smelting furnace of the embodiment of the invention, oxygen rifle 2 is blown into oxygen rich gas in copper matte regulus (matte) the layer LC in the furnace chamber Q, in copper matte regulus layer LC: O 2+ FeS+CuS → FeO+CuS+SO 2, wherein move up into slag blanket ZC on the FeO slagging, and most of oxygen becomes sulfurous gas and enter slag blanket ZC, thereby the oxygen that enters slag blanket ZC is few, has improved the utilization ratio of oxygen.The Armco magnetic iron Fe that FeO among the slag blanket ZC and oxygen generate 3O 4Amount is few, be not easy between slag blanket ZC and copper matte regulus layer LC, to form sealing coat, above in the slag blanket the easy sedimentation of copper matte regulus drop of melting generation enter in the following copper matte regulus layer LC, and be not easy to produce foamy slag, improved security.In addition, easily generate Fe in the outlet of the upper end of oxygen rifle 2 oxygen-rich air 3O 4And form cellular mushroom head, and protected oxygen rifle 2, prolonged the life-span of oxygen rifle 2.
In some embodiments of the invention, preferably, the upper end of oxygen rifle 2 is concordant with the interior diapire of furnace chamber Q, can guarantee better that thus oxygen rifle 2 is blown into the sulfide reaction of the oxygen major part of copper matte regulus layer LC at copper matte regulus layer LC and iron.Alternatively, the upper end of oxygen rifle 2 can extend in the furnace chamber Q a little, and for example the 10-20 millimeter exceeds not make too much oxygen enter slag blanket ZC.
As shown in Figure 2, the inner bottom surface of furnace chamber Q is concordant, and in other words, furnace chamber Q does not have the expansion section, and the degree of depth in the molten bath in oxygen blast district increases, and can guarantee better that oxygen rifle 2 is blown into oxygen in the copper matte regulus layer LC, and too much oxygen is entered in the slag blanket ZC.
As Figure 1-3, body of heater 1 is a round shape, and furnace chamber Q has circular cross section, and the radial dimension of furnace chamber Q is consistent on the axial direction due of body of heater 1.Because body of heater 1 is a round shape, therefore is convenient to body of heater 1 and rotates.For this reason, the oxygen-enriched bottom-blowing copper smelting furnace may further include bracket 5, backing ring 3, gear ring 4 and drive unit 6.
Backing ring 3 is set on the body of heater 1 and rotatably is supported on the bracket 5.Gear ring 4 is set on the outside surface of body of heater 1.Drive unit 6 links to each other with gear ring 4 and is used for driving body of heater 1 rotation by driving gear ring 4 rotations.Drive unit 6 for example can comprise motor, and the speed reduction unit that links to each other with motor can be installed gear on the output shaft of speed reduction unit, and gear and gear ring 4 engagements are rotated to drive gear ring 4.Body of heater 1 rotates on bracket 5 under the drive of gear ring 4, because body of heater 1 can rotate, therefore is convenient to change oxygen rifle 2 and other operations.
As illustrated in fig. 1 and 2, in a preferred embodiment of the invention, charging opening 11 and exhanst gas outlet 12 are located at the top of body of heater 1 and spaced apart along the axial direction due of body of heater 1, and slag notch 14 is formed on the end face of body of heater.
Preferably, copper matte regulus outlet 13 is located on the end face of the body of heater 1 relative with slag notch 14, and alternatively, copper matte regulus outlet 13 can be located at the bottom, side of body of heater 1.
Advantageously,, further be provided with burner mouth 16 on the body of heater 1 and visit material mouth 17 and thermometric pressure tap 18, in burner mouth 16, be provided with the burner (not shown) according to examples more of the present invention.
Preferably, as shown in Figure 3, the opening direction of oxygen rifle jack 15 and the angle α between the direction straight down are 0 °≤α≤+ 60 °.Alternatively, the angle α between the opening direction of oxygen rifle jack 15 and the direction straight down is-60 °≤α≤0 °.
In other words, oxygen-enriched bottom-blowing copper smelting furnace according to the embodiment of the invention, " bottom blowing " should do broad understanding, as long as oxygen rifle 2 is blown into oxygen rich gas in the furnace chamber Q from the bottom of body of heater 1 or the sidepiece of adjacent bottom, all be interpreted as bottom blowing, for example, preferably, the angle α between oxygen rifle 2 (being the opening direction of oxygen rifle jack 15) and the direction straight down is understood that " bottom blowing " in-60 °~+ 60 ° scope.
According to the oxygen-enriched bottom-blowing copper smelting furnace of the embodiment of the invention, raw material need not to granulate, and has therefore simplified smelting operation, has reduced cost.The oxygen that enters slag blanket ZC is few, has improved the utilization ratio of oxygen.The Armco magnetic iron Fe that generates among the slag blanket ZC 3O 4Amount is few, be not easy between slag blanket ZC and copper matte regulus layer LC, to form sealing coat, above the easy sedimentation of copper matte regulus in the slag blanket enter in the copper matte regulus layer LC, and be not easy to produce foamy slag, improved security.In addition, owing to export the Fe that generates at oxygen rifle 2 3O 4Form cellular mushroom head in the upper end of oxygen rifle 2, protected oxygen rifle 2, prolonged the life-span of oxygen rifle 2.
Below with reference to Fig. 4 and in conjunction with the oxygen-enriched bottom-blowing copper metallurgy technology of utilizing oxygen-enriched bottom-blowing copper smelting furnace carry out of Fig. 1-3 description according to the embodiment of the invention.It will be appreciated that, be not limited to utilize above-described oxygen-enriched bottom-blowing copper smelting furnace according to the oxygen-enriched bottom-blowing copper metallurgy technology of the embodiment of the invention.
Particularly, be used to implement to comprise body of heater 1 and oxygen rifle 2 according to the oxygen-enriched bottom-blowing copper smelting furnace of the oxygen-enriched bottom-blowing copper metallurgy technology of the embodiment of the invention, be limited with the oxygen rifle jack 15 that furnace chamber Q and body of heater 1 have charging opening 11, exhanst gas outlet 12, copper matte regulus outlet 13, slag notch 14 and be formed on the bottom of body of heater 1 in the body of heater 1, oxygen rifle 2 is inserted in the oxygen rifle jack 15.
As shown in Figure 4, according to the oxygen-enriched bottom-blowing copper metallurgy technology of the embodiment of the invention, at first with copper-contained material and flux and fine coal with return dirt and join in the furnace chamber Q from charging opening 11.Next, utilize oxygen rifle 2 to be blown into oxygen rich gas carrying out melting in furnace chamber Q, wherein said oxygen rich gas is blown in the copper matte regulus layer in molten bath of furnace chamber Q bottom.At last, discharge copper matte regulus, slag and flue gas respectively from copper matte regulus outlet 13, slag notch 14 and exhanst gas outlet 12.
According to the oxygen-enriched bottom-blowing copper metallurgy technology of the embodiment of the invention, raw material need not to granulate, and has therefore simplified smelting operation, has reduced cost.Because described oxygen rich gas is blown in the copper matte regulus layer in molten bath of furnace chamber Q bottom, the oxygen that enters slag blanket ZC is few, has improved the utilization ratio of oxygen.The Armco magnetic iron Fe that generates among the slag blanket ZC 3O 4Amount is few, thereby can adopt high iron slag type, reduces stone rate and slag rate, reduces the loss of copper in the slag, has improved smelting efficiency and copper recovery, is not easy to produce foamy slag simultaneously, has improved security.
In specific embodiments more of the present invention, the oxygen concentration of described oxygen rich gas can be 22%-99%, more preferably is 70%-80%.The stokehold pressure of described oxygen rich gas can be 0.25-1.2MPa, more preferably is 0.4-0.6MPa.
Advantageously, according to embodiments of the invention, described slag discontinuous discharging.In addition, preferably, the degree of depth of the melt in the furnace chamber Q is consistent, and promptly on the entire cross section of furnace chamber Q, the degree of depth of melt is identical, can avoid the copper matte regulus layer LC in the molten bath to shoal thus, prevents from that oxygen from blowing to wear copper matte regulus layer LC and enter slag blanket ZC, has improved the melting effect.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
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 (17)

1. an oxygen-enriched bottom-blowing copper smelting furnace is characterized in that, comprising:
Body of heater is limited with furnace chamber in the described body of heater, and described body of heater has charging opening, exhanst gas outlet, copper matte regulus outlet, slag notch and is formed on the oxygen rifle jack of bottom of furnace body; With
Oxygen rifle, described oxygen rifle are inserted in the described oxygen rifle jack oxygen rich gas is blown in the copper matte regulus layer in the described furnace chamber.
2. oxygen-enriched bottom-blowing copper smelting furnace according to claim 1 is characterized in that, the upper end of described oxygen rifle is concordant with the interior diapire of described furnace chamber.
3. oxygen-enriched bottom-blowing copper smelting furnace according to claim 1 is characterized in that the bottom surface of described furnace chamber is concordant.
4. oxygen-enriched bottom-blowing copper smelting furnace according to claim 1 is characterized in that, described body of heater is radial dimension unanimity on the axial direction due of described body of heater that round shape and described furnace chamber have circular cross section and described furnace chamber.
5. oxygen-enriched bottom-blowing copper smelting furnace according to claim 4 is characterized in that, further comprises:
Bracket;
Backing ring, described backing ring are set on the described body of heater and rotatably are supported on the described bracket;
Gear ring, described gear ring are set on the described body of heater; With
Drive unit, institute's drive unit link to each other with described gear ring and are used for driving described body of heater rotation by driving described gear ring rotation.
6. oxygen-enriched bottom-blowing copper smelting furnace according to claim 1 is characterized in that, described charging opening and described exhanst gas outlet are located at the top of described body of heater and spaced apart along the axial direction due of described body of heater, and described slag notch is formed on the end face of described body of heater.
7. oxygen-enriched bottom-blowing copper smelting furnace according to claim 6 is characterized in that, described copper matte regulus exports on the end face that is located at the body of heater relative with slag notch or the bottom, side of body of heater.
8. oxygen-enriched bottom-blowing copper smelting furnace according to claim 1 is characterized in that, further is provided with the burner mouth on the described body of heater and visits the material mouth, wherein is provided with burner in described burner mouth.
9. according to each described oxygen-enriched bottom-blowing copper smelting furnace among the claim 1-8, it is characterized in that the opening direction of described oxygen rifle jack and the angle α between the direction straight down are 0 °≤α≤+ 60 °.
10. according to each described oxygen-enriched bottom-blowing copper smelting furnace among the claim 1-8, it is characterized in that the opening direction of described oxygen rifle jack and the angle α between the direction straight down are-60 °≤α≤0 °.
11. oxygen-enriched bottom-blowing copper metallurgy technology of utilizing the oxygen-enriched bottom-blowing copper smelting furnace to carry out, wherein said oxygen-enriched bottom-blowing copper smelting furnace comprises body of heater and oxygen rifle, be limited with the oxygen rifle jack that furnace chamber and described body of heater have charging opening, exhanst gas outlet, copper matte regulus outlet, slag notch and be formed on bottom of furnace body in the described body of heater, described oxygen rifle is inserted in the described oxygen rifle jack, it is characterized in that described oxygen-enriched bottom-blowing copper metallurgy technology may further comprise the steps:
Copper-contained material and flux are joined in the described furnace chamber from described charging opening;
Utilize described oxygen rifle to be blown into oxygen rich gas to carry out melting in furnace chamber, wherein said oxygen rich gas is blown in the copper matte regulus layer of described furnace chamber bottom; With
Discharge copper matte regulus, slag and flue gas respectively from described copper matte regulus outlet, described slag notch and described exhanst gas outlet.
12. oxygen-enriched bottom-blowing copper metallurgy technology according to claim 11 is characterized in that the oxygen concentration of described oxygen rich gas is 22%-99%.
13. oxygen-enriched bottom-blowing copper metallurgy technology according to claim 12 is characterized in that the oxygen concentration of described oxygen rich gas is 70%-80%.
14. oxygen-enriched bottom-blowing copper metallurgy technology according to claim 11 is characterized in that the stokehold pressure of described oxygen rich gas is 0.25-1.2MPa.
15. oxygen-enriched bottom-blowing copper metallurgy technology according to claim 14 is characterized in that the stokehold pressure of described oxygen rich gas is 0.4-0.6MPa.
16. oxygen-enriched bottom-blowing copper metallurgy technology according to claim 11 is characterized in that, described slag discontinuous discharging.
17. oxygen-enriched bottom-blowing copper metallurgy technology according to claim 11 is characterized in that, the degree of depth of the melt in the described furnace chamber is identical.
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Cited By (6)

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CN103014370A (en) * 2012-12-24 2013-04-03 中国恩菲工程技术有限公司 Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
CN103014371A (en) * 2012-12-24 2013-04-03 中国恩菲工程技术有限公司 Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
CN103468955A (en) * 2013-08-20 2013-12-25 东营方圆有色金属有限公司 New scrap copper smelting technology
CN104060104A (en) * 2014-05-13 2014-09-24 中国恩菲工程技术有限公司 Bottom blowing tin smelting process
CN104331050A (en) * 2014-10-29 2015-02-04 中国科学院沈阳自动化研究所 Oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation
CN111394592A (en) * 2020-04-20 2020-07-10 中南大学 Method for reducing copper content in smelting slag

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CN101921919A (en) * 2010-09-09 2010-12-22 山东天力干燥设备有限公司 Comprehensive utilization process of molten copper slag and system thereof

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CN101839633A (en) * 2009-07-21 2010-09-22 中国恩菲工程技术有限公司 Electrothermal copper-smelting slag depleted furnace body
CN101906543A (en) * 2010-08-23 2010-12-08 东营方圆有色金属有限公司 High oxygen-enriched bottom blowing low power consumption molten pool melting technology
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103014370A (en) * 2012-12-24 2013-04-03 中国恩菲工程技术有限公司 Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
CN103014371A (en) * 2012-12-24 2013-04-03 中国恩菲工程技术有限公司 Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
CN103014371B (en) * 2012-12-24 2014-02-19 中国恩菲工程技术有限公司 Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
CN103014370B (en) * 2012-12-24 2014-02-19 中国恩菲工程技术有限公司 Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
CN103468955A (en) * 2013-08-20 2013-12-25 东营方圆有色金属有限公司 New scrap copper smelting technology
CN103468955B (en) * 2013-08-20 2016-09-07 东营方圆有色金属有限公司 A kind of copper scap smelting process
CN104060104A (en) * 2014-05-13 2014-09-24 中国恩菲工程技术有限公司 Bottom blowing tin smelting process
CN104060104B (en) * 2014-05-13 2016-04-13 中国恩菲工程技术有限公司 Bottom blowing tin-making process
CN104331050A (en) * 2014-10-29 2015-02-04 中国科学院沈阳自动化研究所 Oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation
CN111394592A (en) * 2020-04-20 2020-07-10 中南大学 Method for reducing copper content in smelting slag

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