CN102519260A - Cyclone smelting spray nozzle and smelting furnace - Google Patents
Cyclone smelting spray nozzle and smelting furnace Download PDFInfo
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- CN102519260A CN102519260A CN2011104590682A CN201110459068A CN102519260A CN 102519260 A CN102519260 A CN 102519260A CN 2011104590682 A CN2011104590682 A CN 2011104590682A CN 201110459068 A CN201110459068 A CN 201110459068A CN 102519260 A CN102519260 A CN 102519260A
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Abstract
The invention discloses a cyclone smelting spray nozzle and a smelting furnace comprising the smelting spray nozzle. The cyclone smelting spray nozzle disclosed by the invention comprises a main body, wherein a material passage and a cyclone air passage which have annular cross sections are formed in the main body, and the material passage is positioned at the inner side of the cyclone air passage. When the cyclone smelting spray nozzle provided by the invention is used for metal smelting, the outer side of a material ring receives the cyclone wind effect, rotary mixing fluid can be formed, the cyclone smelting effect in the prior art is generated, and the mixing uniformity of materials and reaction gas can be improved. Because the outer side of the materials receives the cyclone wind effect, a reaction region of the materials and the gas is closer to the middle axis position of the reaction space, the flushing corrosion effect of fusion bodies and high-temperature smoke gas on fireproof materials of the inner wall of the reaction space can be further reduced, the heat load born by the smelting furnace is improved, and further, the premise is provided for improving the productivity of the smelting furnace.
Description
Technical field
The present invention relates to the non-ferrous metal metallurgy technology, relate to the charging air-intake device of a kind of space smelting process, exactly relate to the eddy flow smelting nozzle that a kind of copper smelting, nickel, lead or zinc use, also relate to a kind of this eddy flow that comprises and smelt the smelting furnace of nozzle.
Background technology
In the non-ferrous metal metallurgy industry, copper smelting industry especially, the space suspends, and to smelt be one of topmost smelting technique; It is the flash smelting technique of Finland that the space suspension is smelted most widely used.The principle of flash smelting technique is: materials such as dry back powdery sulfide mine in the reaction compartment of smelting furnace by the complete dispersion suspension of distribution wind; The huge surface area of utilizing material to form again; The material particle is fully combined with oxygen; In moment (2～3 seconds), accomplish oxidation reaction, reach the purpose that desulfurization is smelted.The nucleus equipment of flash smelting technique is mounted in the smelting nozzle on the smelting furnace.Smelt nozzle and comprise material channel and intake adit; Can supply with material to the reaction compartment of smelting furnace through material channel; Can oxygen-enriched air, air, pure oxygen or other reacting gas be supplied in the reaction compartment through intake adit.
The flash smelting technique can adopt central diffused to smelt nozzle or venturi type is smelted nozzle.Because smelt the structure of nozzle restriction for these two kinds, when carrying out metal smelt, the mixability of material and reacting gas is restricted, and causes smelting process to have the deficiency that coefficient of oxygen utilization is low, the flue dust incidence is high.In addition; When utilizing these two kinds smelting nozzles to smelt; Flue gas and high-temperature fusion are known from experience and are full of the entire reaction space, and then the flue gas that produces in the smelting process also can produce the erosion corrosion use to the refractory material of reaction compartment furnace wall with the high-temperature fusion body, and the thermic load that causes smelting furnace to bear is less; Limit the performance of flash smelting technique advantage, also limited the raising of smelting furnace production capacity.
Along with the development of metallurgy industry, new smelting process and novel smelting nozzle continue to bring out.Wherein, Chinese patent document CN201548066U discloses a kind of eddy flow smelting nozzle.This eddy flow is smelted material channel, intake adit, oxygen rifle and the fuel nozzle that nozzle comprises that ecto-entad is arranged; The cavity of intake adit inserts the oxygen rifle, at the outlet skin of oxygen rifle cyclone is set, and cyclone is arranged in intake adit.Reacting gas drives the cyclone rotation through intake adit, and the mode with eddy flow wind infeeds in the reaction compartment then, makes intake adit form eddy flow wind passage; Material gets into through material channel, and gets into reaction compartment from the cyclone periphery.In the course of the work, eddy flow wind and mixing of materials form the fluid-mixing that rotates in reaction compartment; Fluid-mixing is accomplished oxidation reaction in the eddy flow process, realize the purpose of desulfurization, smelting.
Though utilize this eddy flow to smelt the mixability that nozzle can improve oxygen and material, reduce the flue dust incidence, overcome the above-mentioned deficiency that existing central diffused is smelted nozzle or venturi type smelting nozzle, also there is following problem in the course of the work:
The first, under the effect of eddy flow wind, it is excessive that material is supplied with the ring strip that forms, and then it is wayward to cause material to distribute easily, and then can't guarantee material and reacting gas mixing uniformity, causes material reaction not thorough, limited the production capacity of smelting furnace.
The second, in practical application, also exist the rotating speed of cyclone wayward, material can cause the oxygen gun pendulum moving easily to the effect that cyclone produces wearing and tearing, cyclone, and then cause reaction unstable.
Three, in smelting nozzle, material channel communicates with intake adit, and this also causes reacting gas to leak through material channel easily, influences charging and metal smelt effect.
Disclose another kind of eddy flow among the Chinese patent document CN201787818U and smelted nozzle.There is the problem of above-mentioned first aspect equally in this smelting nozzle.
Therefore, when utilizing eddy flow to smelt nozzle, how further to improve material distribution controllability, the mixing uniformity that improves material and reacting gas is the problem that current those skilled in the art need solve.
Summary of the invention
Based on above-mentioned explanation, the objective of the invention is: provide a kind of eddy flow to smelt nozzle, this eddy flow is smelted nozzle can improve material and reacting gas mixing uniformity.
On the basis that provides above-mentioned eddy flow to smelt nozzle, another object of the present invention is to provide a kind of and comprises that this revolves the smelting furnace of smelting nozzle.
Eddy flow provided by the invention is smelted nozzle and is comprised main body, forms material channel and the eddy flow wind passage that the cross section is ring-type in the main body, and said material channel is positioned at the inboard of said eddy flow wind passage.
Optional, said main body also forms interior wind passage, and said interior wind passage is positioned at the inboard of said material channel.
Optional, said in the wind passage link to each other with the pulsation generation device, with to the reaction compartment of smelting furnace with pulse mode supply response gas.
Optional, the lower end of said interior wind passage forms flaring portion; On direction from the top down, the passage section of said flaring portion increases gradually.
Optional, said interior wind channel outer wall face forms the downward-sloping dispersion conical surface that stretches out; The said dispersion conical surface at least partly stretches out the lower edge of said material channel outside wall surface.
Optional, said dispersion conical surface maximum gauge is less than the diameter of said material channel outside wall surface.
Optional, described eddy flow wind passage upper end has several air inlets along the circumference arranged tangential, and said air inlet is communicated with air supply line.
Optional, the lower end of said eddy flow wind passage forms taper; On direction from the top down, the passage section of said taper reduces gradually.
Optional, the outlet of said material channel is positioned under the outlet of said eddy flow wind passage.
Smelting furnace provided by the invention comprises smelts nozzle, reactor, molten bath and the smokejack that links to each other with the molten bath; Said smelting nozzle is installed in reactor head; Said smelting nozzle is that above-mentioned any eddy flow is smelted nozzle.
Eddy flow provided by the invention is smelted in the nozzle, and it is inboard to make said material channel be positioned at eddy flow wind passage; Like this; Eddy flow wind passage is sent into reacting gas to the reaction compartment of smelting furnace with cyclone mode, and it is inboard that material channel is positioned at eddy flow wind passage, and the outside of material receives the effect of eddy flow wind; Can form the fluid-mixing of rotation equally, produce the effect that eddy flow is smelted in the prior art.More importantly be; Receiving the effect of eddy flow wind with the inboard of material in the prior art compares; The annulation strip that receives eddy flow wind effect formation outside in the material dropping process is less, and then makes the material distribution control more easily, and then can improve the mixing uniformity of material and reacting gas; The position, axis that makes the conversion zone of material and gas more approach reaction compartment simultaneously; Can further reduce the erosion corrosion effect of molten mass and flue gas, improve the thermic load that smelting furnace bears, and then be that the production capacity that improves smelting furnace provides prerequisite reaction compartment inwall refractory material.
In further technical scheme, main body also forms and is positioned at the inboard wind passage of material channel.Can in material, send into reacting gas by the side direction reaction compartment through interior wind passage; Material is mixed with inboard reacting gas; The reacting gas that the wind passage is supplied with in making expands at the place, axis; And then make the turgor movement and the swirling motion phase structure of reacting gas; Further improve the degree of mixing of material and reacting gas, improve the reactivity worth and the reaction speed of fluid-mixing, improve coefficient of oxygen utilization.
In further technical scheme, said in the wind passage link to each other with the pulsation generation device, with to the reaction compartment of smelting furnace with the pulse mode supply gas.Send into reacting gas in the material web inboard with pulse mode; Can in the fluid-mixing of eddy flow, the eddy flow axial location form pulse pneumatic; Pulsation, turgor movement and swirling motion are combined, and then increase material material for making clothes and the probability that the oxygen collision combines, improve coefficient of oxygen utilization.
In further technical scheme, the internal face of said material channel forms the downward-sloping dispersion conical surface that stretches out; The said dispersion conical surface at least partly stretches out the lower edge of said material channel outside wall surface.Utilize to disperse the conical surface material radially to be scattered, increase material and mixability between the eddy flow wind in the outside, raising reaction speed and coefficient of oxygen utilization so that the granular material that falls produces radially outer movement velocity.
In further technical scheme, eddy flow wind passage lower end forms taper, and on direction from the top down, the passage section of said taper reduces gradually; Like this, can increase the swirl velocity of reacting gas, drive the material rotation better, impel the mixing of reacting gas and material particle, improve the mixture homogeneity of reacting gas and material.
In further technical scheme, the outlet of said material channel is positioned under the outlet of said eddy flow wind passage; Like this, reacting gas can not communicate with material channel before getting into reaction compartment, and then can reduce or avoid reacting gas to take place through the material channel phenomenon that leaks.
Have above-mentioned technique effect because above-mentioned eddy flow is smelted nozzle, comprise that the smelting furnace of this eddy flow smelting nozzle also has corresponding technique effect.
Description of drawings
Fig. 1 is the sectional structure sketch map that the eddy flow that provides of the embodiment of the invention is smelted nozzle.
Fig. 2 be among Fig. 1 A to view.
Fig. 3 is an I-I part enlarged drawing among Fig. 1.
The specific embodiment
Diffusion is smelted in the nozzle and is utilized diffusion gas to make the material inboard stressed based on conventional central, and then makes the technological thinking of material particles in radial diffusion, has proposed relevant eddy flow before the applicant and has smelted nozzle technology.This patent application has overcome the conventional art thinking, has proposed to make material stressed in the outside, material is mixed with reacting gas form the technical scheme of mixing eddy flow, has overcome the deficiency of prior art.
Should be noted that: in the presents, said " on ", the D score noun of locality is that to smelt the nozzle user mode with eddy flow serve as with reference to confirming; Said " interior ", " outward " are that to smelt the nozzle axis with eddy flow serve as with reference to confirming, near the position of axis be in, away from the position of center line be outside.
Below in conjunction with accompanying drawing the present invention is explained further details.Fig. 1 is the sectional structure sketch map that the eddy flow that provides of the embodiment of the invention is smelted nozzle; Fig. 2 be among Fig. 1 A to view; Fig. 3 is an I-I part enlarged drawing among Fig. 1.
The eddy flow that the present invention implements to provide is smelted nozzle and is comprised main body 100, and main body 100 comprises three cylindrical shells that are sleeved on together, forms three passages from inside to outside; Central passage is that column, center-aisle and outer layer channel are ring-type; The upper end of three passages is not connected, and sealing is isolated each other; For ease of dismounting, maintenance and location, three cylindrical shell upper ends can adopt the docking mode of flange to link to each other each other.Certainly, main body 100 is not limited to said structure, also can form above-mentioned passage through other structures.
Outer layer channel is called eddy flow wind passage 120.In conjunction with Fig. 1 and Fig. 2, in this example, eddy flow wind passage 120 is the whirlwind barrel structure; Eddy flow wind passage 120 upper ends are docked with two air inlets 122 along the circumference arranged tangential and are communicated, and air inlet 122 communicates with the reacting gas pipeline; The opening of eddy flow wind passage 120 lower ends can communicate with the reaction compartment of smelting furnace.Like this, reacting gas gets into eddy flow wind passage 120 through the air inlet 122 of arranged tangential, and the outlet from eddy flow wind passage 120 lower ends gets into the reaction compartment again; In the time of in getting into reaction compartment, reacting gas will form eddy flow wind, and in reaction compartment, moves with cyclone mode.For guaranteeing eccentric phenomena not occur in the rotary fluid, in this example, the whirlwind tube adopts two tangent air inlets 121 of symmetry.Certainly, whirlwind is not limited to adopt two tangent air inlets 121, also one or more can be set, and air inlet 121 can be exchanged and arrange or evenly arrange.
The intermediate layer passage is called material channel 110.Material channel 110 upper ends form charging aperture 111, and charging aperture 111 communicates with material bin, and then material can get in the reaction compartment, shown in Fig. 1 and Fig. 3 arrow along material channel 110.In order to guarantee the charging reliability, between charging aperture 111 and material bin, the fluidisation dispenser can be set, so that material is carried out fluidisation.
Central passage is called interior wind passage 130.Interior wind passage 130 upper ends are through communicating with the reacting gas pipeline with pulsation generation device 131, with to the reaction compartment of smelting furnace with pulse mode supply response gas.In this example, pulsation generation device 131 is an air valve, through regularly or with the cycle of setting carrying out this air valve of switch, can realize the air feed of pulsing, with the mode of pulsation to reaction compartment supply response gas.Certainly, pulsation generation device 131 also can be that pulsation rifle or other can produce the device of pulsation.
As shown in Figure 3, the lower end of three passages forms stepped, and interior wind passage 130 openings stretch out material channel 110 openings belows, and the distance H 1 between the two can be selected suitable dimensions for use, and H1 can be between 100mm-400mm, also can be between 150mm-300mm.Eddy flow wind passage 120 outlet belows are stretched out in material channel 110 outlets; Distance H 2 between the two can be selected suitable dimensions for use, and H2 can be between 20mm-200mm, also can be between 50mm-100mm.Three passages have same axial line, and this axial line is called axis O-O.
In the present embodiment, material channel 110 is arranged between eddy flow wind passage 120 and the interior wind passage 130, and interior wind passage 130 is with pulse mode supply response gas.In the course of the work, a reacting gas part gets into through eddy flow wind passage 120, and formation eddy flow wind eddy flow wind passage 120 in sprays in the outlet of eddy flow wind passage 120 mode with eddy flow wind.Material gets in the reaction compartment along material channel 110, and the eddy flow wind that is rotated by high speed in the outlet of material channel 110 is involved in, and the height that forms similar cyclone shape revolves the fluid-mixing of gas-solid attitude.Another part of reacting gas is through pulsation generation device 131; Be converted into the pulse reaction air-flow; Enter into the center of fluid-mixing with the mode of pulsation through interior wind passage 130; Center at fluid-mixing produces expansion, and the pine of Volume Changes is risen to act on and produces axially and the turbulent flow of pulsation radially, and the fluid-mixing that high speed is rotated converts the fluid-mixing of dither into; Simultaneously, receive the influence of high temperature in the smelting furnace reaction compartment, the rapid expansion of being heated of the gas in the fluid-mixing is impelled the diametrically opposed motion of particle of the particle and the material of reacting gas.Under above-mentioned pulsation turbulent flow, eddy flow wind and the reacting gas expansion acting in conjunction, the fluid-mixing that reacting gas that infeeds and material are converted into a kind of dither, rotate at a high speed.In smelting furnace, when fluid-mixing was heated to the temperature (ignition point of material) of reacting required, material particle and oxygen particle produced violent burning (oxidation reaction), realized the purpose of desulfurization and smelting.
More than described the resultant effect that embodiment produces, in implementing production, be not limited to carry out in the above described manner metal smelt, also can adopt the different techniques scheme to carry out metal smelt according to actual conditions.Below provide the operation principle of relevant art content in the technical scheme and effect to describe to the present invention.
Eddy flow provided by the invention is smelted in the nozzle, makes material channel 110 be positioned at eddy flow wind passage 120 inboards; Like this, when eddy flow wind passage 120 was sent into reacting gas to the reaction compartment of smelting furnace with cyclone mode, the outside of material received the effect of eddy flow wind, can form the fluid-mixing of rotation, produced the effect that eddy flow is smelted in the prior art.More importantly be; Receive the effect of eddy flow wind with the inboard of material in the prior art and compare, the outside of material receives the effect of eddy flow wind, and it is less that material falls behind the annulation strip that forms down; And then make the material distribution control more easily; And then can improve the mixing uniformity of material and reacting gas, the O-O position, axis that makes the conversion zone of material and gas more approach reaction compartment simultaneously can further reduce the erosion corrosion effect to reaction compartment inwall refractory material of molten mass and flue gas; Improve the thermic load that smelting furnace bears, and then be that the production capacity that improves smelting furnace provides prerequisite.
In the foregoing description, interior wind passage 130 links to each other with pulsation generation device 131, with to the reaction compartment of smelting furnace with pulse mode supply response gas.Send into reacting gas in the material web inboard with pulse mode, can in the fluid-mixing of eddy flow, the eddy flow axial location form pulse pneumatic, and then increase material material for making clothes and the probability that the oxygen collision combines, improve coefficient of oxygen utilization.According to actual needs, interior wind passage 130 is not limited to pulse mode supply response gas, also supply response gas otherwise, such as can direct current, eddy flow or other mode supply response gas.As shown in Figure 3, in this example, from the top down; Interior wind passage 130 export departments form the flaring part that passage section increases gradually; Can make the reacting gas of supplying with through interior wind passage 130 produce radial motion like this, and then, improve the collision probability between reacting gas and the material material generation effect.
In the present embodiment, also the outside wall surface at interior wind passage 130 forms the downward-sloping dispersion conical surface 140 that stretches out.Disperse the conical surface 140 at least partly to stretch out the lower edge of material channel 110 outside wall surface; In this example, disperse the conical surface 140 to be positioned at fully under the material channel 110 outside wall surface lower edges.Like this, in material dropping process, owing to disperse the effect of the conical surface 140; The granular material that falls can produce radially outer speed; Material is radially scattered, and then can increment material level mixability between the eddy flow wind in the outside, reaction speed and coefficient of oxygen utilization improved.In the optimal technical scheme; Can make and disperse the conical surface 140 maximum gauges (in this example; For disperseing the diameter at place, awl 140 lower edges) less than the diameter of material channel 110 outside wall surface, can make material arrive eddy flow wind passage 120 exit positions like this, assurance eddy flow wind contacts and mixing with material.
In conjunction with Fig. 1 and Fig. 3, in the present embodiment, eddy flow wind passage 120 lower ends form taper 121; On direction from the top down, the passage section of taper 121 reduces gradually.Taper 121 can produce the guiding throttling action; Behind reacting gas ejection eddy flow wind passage 120, can increase the swirl velocity of reacting gas, drive the material rotation better; Impel the mixing of the particle and the material particle of reacting gas, improve the mixture homogeneity of reacting gas and material.In the optimal technical scheme, the outside wall surface of taper 121 is to convex; Can make eddy flow wind more near the inboard like this, and then it is mobile to drive the rotation of material particle better, and then controls the distribution of material better.Certainly, taper 121 is not limited to also can form through other modes through the outside wall surface inwardly protruding is formed.
In conjunction with Fig. 1 and Fig. 3, in the present embodiment, the outlet of material channel 110 is positioned under the outlet of eddy flow wind passage 120; Like this, reacting gas can not communicate with material channel 110 before getting into reaction compartment, and then can reduce or avoid reacting gas to leak through material channel.Distance between material channel 110 outlets and 120 outlets of eddy flow wind passage can be adjusted and confirm according to actual needs.
Smelting furnace provided by the invention comprises smelts nozzle, reactor, molten bath and the smokejack that links to each other with the molten bath, and said smelting nozzle is installed in reactor head, and said smelting nozzle is that above-mentioned any eddy flow is smelted nozzle.Have above-mentioned technique effect because above-mentioned eddy flow is smelted nozzle, comprise that the smelting furnace of this eddy flow smelting nozzle also has corresponding technique effect, repeat no more at this.
Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The present invention not technology contents of detailed description is known technology.
To the above-mentioned explanation of the disclosed embodiments, be that this area professional and technical personnel can realize or use the present invention.Multiple modification to present embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to embodiment illustrated herein, but will accord with principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. an eddy flow is smelted nozzle, comprises main body (100), forms material channel (110) and the eddy flow wind passage (120) that the cross section is ring-type in the main body (100), it is characterized in that said material channel (110) is positioned at the inboard of said eddy flow wind passage (120).
2. eddy flow according to claim 1 is smelted nozzle, it is characterized in that said main body (100) also forms interior wind passage (130), and said interior wind passage (130) is positioned at the inboard of said material channel (110).
3. eddy flow according to claim 2 is smelted nozzle, it is characterized in that, said in wind passage (130) link to each other with the generation device (131) of pulsing, with to the reaction compartment of smelting furnace with pulse mode supply response gas.
4. eddy flow according to claim 3 is smelted nozzle, it is characterized in that, the lower end of said interior wind passage (130) forms flaring portion (132); On direction from the top down, the passage section of said flaring portion (132) increases gradually.
5. eddy flow according to claim 2 is smelted nozzle, it is characterized in that, said interior wind passage (130) outside wall surface forms the downward-sloping dispersion conical surface (140) that stretches out; The said dispersion conical surface (140) at least partly stretches out the lower edge of said material channel (110) outside wall surface.
6. eddy flow according to claim 5 is smelted nozzle, it is characterized in that the said dispersion conical surface (140) maximum gauge is less than the diameter of said material channel (110) outside wall surface.
7. smelt nozzle according to each described eddy flow of claim 1 to 6, it is characterized in that, described eddy flow wind passage (120) upper end has several air inlets along the circumference arranged tangential (122), and said air inlet (122) is communicated with air supply line.
8. eddy flow according to claim 7 is smelted nozzle, it is characterized in that, the lower end of said eddy flow wind passage (120) forms taper (121); On direction from the top down, the passage section of said taper (121) reduces gradually.
9. eddy flow according to claim 7 is smelted nozzle, it is characterized in that the outlet of said material channel (110) is positioned under the outlet of said eddy flow wind passage (120).
10. a smelting furnace comprises and smelts nozzle, reactor, molten bath and the smokejack that links to each other with the molten bath; Said smelting nozzle is installed in reactor head; It is characterized in that said smelting nozzle is that each described eddy flow of claim 1-9 is smelted nozzle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104590682A CN102519260A (en) | 2011-12-31 | 2011-12-31 | Cyclone smelting spray nozzle and smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104590682A CN102519260A (en) | 2011-12-31 | 2011-12-31 | Cyclone smelting spray nozzle and smelting furnace |
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| CN102519260A true CN102519260A (en) | 2012-06-27 |
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| CN2011104590682A Pending CN102519260A (en) | 2011-12-31 | 2011-12-31 | Cyclone smelting spray nozzle and smelting furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388695A (en) * | 2014-11-26 | 2015-03-04 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Jet nozzle of concentrate |
| CN112595125A (en) * | 2020-11-26 | 2021-04-02 | 阳谷祥光铜业有限公司 | Nozzle and suspension smelting method |
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| JPH07179957A (en) * | 1993-12-22 | 1995-07-18 | Sumitomo Metal Mining Co Ltd | Concentrate burner for flash smelting |
| JPH109524A (en) * | 1996-06-20 | 1998-01-16 | Sumitomo Metal Ind Ltd | High-speed pure oxygen assist burner for electric furnace |
| WO2009030808A1 (en) * | 2007-09-05 | 2009-03-12 | Outotec Oyj | Concentrate burner |
| CN201787818U (en) * | 2010-08-09 | 2011-04-06 | 阳谷祥光铜业有限公司 | Pulsing-whirlwind type spray nozzle for metallurgy |
| CN102042764A (en) * | 2009-10-19 | 2011-05-04 | 奥图泰有限公司 | Method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and a concentrate burner |
| CN202403541U (en) * | 2011-12-31 | 2012-08-29 | 阳谷祥光铜业有限公司 | Cyclone smelting nozzle and smelting furnace |
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- 2011-12-31 CN CN2011104590682A patent/CN102519260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07179957A (en) * | 1993-12-22 | 1995-07-18 | Sumitomo Metal Mining Co Ltd | Concentrate burner for flash smelting |
| JPH109524A (en) * | 1996-06-20 | 1998-01-16 | Sumitomo Metal Ind Ltd | High-speed pure oxygen assist burner for electric furnace |
| WO2009030808A1 (en) * | 2007-09-05 | 2009-03-12 | Outotec Oyj | Concentrate burner |
| CN102042764A (en) * | 2009-10-19 | 2011-05-04 | 奥图泰有限公司 | Method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and a concentrate burner |
| CN201787818U (en) * | 2010-08-09 | 2011-04-06 | 阳谷祥光铜业有限公司 | Pulsing-whirlwind type spray nozzle for metallurgy |
| CN202403541U (en) * | 2011-12-31 | 2012-08-29 | 阳谷祥光铜业有限公司 | Cyclone smelting nozzle and smelting furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388695A (en) * | 2014-11-26 | 2015-03-04 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Jet nozzle of concentrate |
| CN112595125A (en) * | 2020-11-26 | 2021-04-02 | 阳谷祥光铜业有限公司 | Nozzle and suspension smelting method |
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Application publication date: 20120627 |