CN104073653A - Continuous lateral blowing tin smelting device - Google Patents

Continuous lateral blowing tin smelting device Download PDF

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Publication number
CN104073653A
CN104073653A CN201410293173.7A CN201410293173A CN104073653A CN 104073653 A CN104073653 A CN 104073653A CN 201410293173 A CN201410293173 A CN 201410293173A CN 104073653 A CN104073653 A CN 104073653A
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zone
smelting
blown
tin
reduction
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CN201410293173.7A
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CN104073653B (en
Inventor
李东波
黎敏
王忠实
张振民
胡丕成
许良
冯双杰
姚霞
曹珂菲
邓兆磊
陈学刚
陈霞
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Priority claimed from PCT/CN2015/079919 external-priority patent/WO2015196888A1/en
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Publication of CN104073653B publication Critical patent/CN104073653B/en
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Abstract

The invention relates to a continuous lateral blowing tin smelting device, comprising a reacting furnace, a lateral blowing spray gun of a smelting zone, and a lateral blowing spray gun of a reducing zone, wherein a furnace chamber is formed inside the reacting furnace; a molten pool for containing slag and tin liquor is arranged at the lower part of the furnace chamber; a partition wall is arranged inside the furnace chamber and extends into the molten pool, so as to divide the furnace chamber into a smelting zone and a reducing zone; the molten pool in the smelting zone is communicated with the molten pool in the reducing zone; a charge door and a tin discharge hole are formed in the wall of the smelting zone; a reducing agent inlet and a slag discharge hole are formed in the wall of the reducing zone; a smoke outlet communicated with each of the smelting zone and the reducing zone is formed in the top wall of the furnace chamber; the lateral blowing spray gun of the smelting zone is arranged on the lateral wall of the smelting zone; the lateral blowing spray gun of the reducing zone is arranged on the lateral wall of the reducing zone. The continuous lateral blowing tin smelting device has the advantages of low energy consumption, good sealing property, high environmental protection property, simple structure, easy operation and the like.

Description

Side-blown tin metallurgy device continuously
Technical field
The present invention relates to a kind of tin metallurgy of side-blown continuously device.
Background technology
The technology of tin metallurgy has tin concentrate reverberatory smelting technique, electrosmelting technique, Ausmelt melting technology, blast furnace smelting process, rotary furnace smelting technique, Kaldo Furnace tin-making process.Rotary furnace smelting technique is because investment, management and maintenance cost are high, exhaust gas volumn is large, and direct yield is low to be eliminated already.Kaldo Furnace device structure complexity, maintenance cost is high, and the stove longevity is short, and refractory consumption rate is large.Reverberatory furnace, due to shortcomings such as its production efficiency are low, thermo-efficiency is low, fuel consumption is large, labour intensity is large, is reinforced just rapidly melting method and replaces.The shortcoming power consumption of electric furnace tin-smelting is too high, is only suitable for processing low iron material; The shortcomings such as blast furnace smelting process requires material need to granulate or briquetting, consumes expensive metallurgical coke, and furnace atmosphere is restive, the evaporation rate height of tin, do not re-use.Ausmelt melting belongs to strengthening molten pool melting technology, segmentation operation, and the stanniferous lower level of being down to of slag, but investment is large, and maintenance cost is high, and complicated operation.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of technical problem in correlation technique.The continuous side-blown tin metallurgy device of the advantage such as for this reason, one object of the present invention is to propose a kind ofly have that energy consumption is low, good seal performance, the feature of environmental protection are high, simple in structure, easy to operate.
According to the continuous side-blown tin metallurgy device of the embodiment of the present invention, described continuous side-blown tin metallurgy device comprises: Reaktionsofen, in described Reaktionsofen, there is furnace chamber, the bottom of described furnace chamber has the molten bath for holding slag and tin liquor, in described furnace chamber, being provided with partition wall and described partition wall extend in described molten bath to described furnace chamber is divided into smelting zone and reduction zone, the molten bath of described smelting zone is communicated with the molten bath of described reduction zone, the wall of described smelting zone is provided with smelting zone charging opening and puts Xi Kou, the wall of described reduction zone is provided with reductive agent and adds entrance and slag notch, the roof of described furnace chamber is provided with and each smoke outlet being all communicated with in described smelting zone and described reduction zone, smelting zone side-blown spray gun, described smelting zone side-blown spray gun is located on the sidewall of described smelting zone to the first oxygen-containing gas and the first fuel-side are blown to the part that is positioned at described smelting zone in described molten bath, with reduction zone side-blown spray gun, described reduction zone side-blown spray gun is located on the sidewall of described reduction zone to the second oxygen-containing gas and the second fuel-side are blown to the part that is positioned at described reduction zone in described molten bath.
According to the continuous side-blown tin metallurgy device of the embodiment of the present invention by described partition wall is set in described furnace chamber, thereby described furnace chamber can be divided into described smelting zone and described reduction zone, to can realize melting and reduction in single described continuous side-blown tin metallurgy device, in the continuous side-blown tin metallurgy device of single sealing, realized continuous tin metallurgy, therefore good seal performance, the feature of environmental protection is high.Not only can utilize fully thus the heat content of slag, in the time of the described hardhead of reduction, only need to consume less fuel and carry out additional heat, and can greatly shorten the flow process of smelting tin, simplify side-blown tin-making process continuously.
And owing to taking side-blown, the carbonaceous reducing agent direct-reduction therefore adding to the fuel blowing side in described reduction zone and the second oxygen-containing gas and furnace roof goes out thick tin, in slag, stanniferous amount further reduces, and then send fuming furnace sulfiding volatilization further dilution processing.In addition, because described partition wall extend in described molten bath, be that described partition wall extend into below the liquid level L1 of slag, therefore can make the gas in gas and the described reduction zone in described smelting zone separate, the flue gas of described smelting zone and the flue gas of described reduction zone can not mix, can distinguish individual curing, also can merge and enter waste heat boiler.
Therefore, according to the continuous side-blown tin metallurgy device of the embodiment of the present invention have that energy consumption is low, the advantage such as good seal performance, the feature of environmental protection are high, simple in structure, easy to operate.
In addition, continuous side-blown tin metallurgy device according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of present invention, the sidewall of described smelting zone is provided with smelting zone gun slot, the sidewall of described reduction zone is provided with reduction zone gun slot, and wherein said smelting zone side-blown spray gun is located in the gun slot of described smelting zone and described reduction zone side-blown spray gun is located in the gun slot of described reduction zone.
According to one embodiment of present invention, described in, put on the sidewall that Xi Kou is located at described smelting zone and away from described partition wall, described slag notch is located on the end wall of described reduction zone.
According to one embodiment of present invention, described smelting zone charging opening is located on the roof of described smelting zone, described reductive agent adds on the roof that entrance is located at described reduction zone, described smoke outlet comprises the smelting zone smoke outlet being communicated with described smelting zone and the reduction zone smoke outlet being communicated with described reduction zone, described smelting zone smoke outlet is located on the roof of described smelting zone, and described reduction zone smoke outlet is located on the roof of described reduction zone.
According to one embodiment of present invention, the sidewall of described reduction zone is provided with overfiren air port.
According to one embodiment of present invention, described in put Xi Kou place and be provided with the first ventilating chamber for preventing tin vapor diffusion, described slag notch place is provided with the second ventilating chamber for preventing tin vapor diffusion.
According to one embodiment of present invention, described continuous side-blown tin metallurgy device also comprises waste heat boiler, and described waste heat boiler is connected with described smoke outlet.
According to one embodiment of present invention, described continuous side-blown tin metallurgy device also comprises dust-precipitator, and described dust-precipitator is connected with described waste heat boiler.
According to one embodiment of present invention, described Reaktionsofen is horizontal chamber oven.
According to one embodiment of present invention, described smelting zone side-blown spray gun is multiple, multiple described smelting zones side-blown spray gun is located on the sidewall of described smelting zone at interval along the length direction of described Reaktionsofen, described reduction zone side-blown spray gun is multiple, and multiple described reduction zones side-blown spray gun is located on the sidewall of described reduction zone at interval along the length direction of described Reaktionsofen.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the sectional view of the continuous side-blown tin metallurgy device of the embodiment of the present invention;
Fig. 2 is according to the schema of the continual lead smelting technique of the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In metallurgical technology field, the difference of top blast and side-blown is not only the variation of Burners Positions, the two reaction be diverse smelting equipment and technique.For example, in steelmaking technical field, initial is all bottom blowing steel-making, but the top blast of development steel-making is afterwards initiative invention, with bottom blowing be diverse technology, this is not simply spray gun to be become to top blast from bottom blowing, but has embodied diverse ways and condition, is the diverse two class type of furnace and techniques.
In metallurgical technology field, adopt top blast technology still to adopt side-blown technology, can cause dynamic conditions, Melt Stirring state and reaction mechanism (reaction sequence) difference of melt in stove.
More specifically, existing tin smelting technology is all the process based on oxidizing semlting, retailoring.But specifically adopting in practice what equipment to realize oxidizing semlting, retailoring is most crucial problem in through engineering approaches application.The different choice of equipment has been determined to realize to the different technologies route (established technology) of oxidizing semlting, retailoring process, technological line will determine the advance of industrialized reliability, exploitativeness and technical indicator.The selection (being the installation site of spray gun) of winding-up position is one of problem basic, the most most crucial in equipment selection, equipment design.When having selected side-blown or top blast, its smelting equipment (type of furnace) structure formation, spray gun structure, layout are diverse.
No matter to those skilled in the art, there is any technical problem in a kind of smelting device of basic forming, no matter it carried out to which kind of and improve, and this improvement all can not change the selection of its winding-up position.Therefore, to those skilled in the art, the change of Burners Positions is not conventional, an apparent selection.
And each metallic element has unique physical properties and chemical property.Therefore, smelt a kind of device of metal and technique without performing creative labour (change), can not be used for smelting another kind of metal.For example, the device of smelting tin and technique are different from smelting plumbous device and technique completely.That is to say, without performing creative labour (change), cannot utilize and smelt plumbous device and technique smelting tin.
Describe according to the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention below with reference to Fig. 1.As shown in Figure 1, comprise Reaktionsofen 101, smelting zone side-blown spray gun 103 and reduction zone side-blown spray gun 104 according to the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention.
In Reaktionsofen 101, there is furnace chamber 1011, the bottom of furnace chamber 1011 has the molten bath for holding slag and tin liquor, in furnace chamber 1011, be provided with partition wall 102 and partition wall 102 and extend in molten bath to furnace chamber 1011 is divided into smelting zone 10111 and reduction zone 10112, the molten bath of smelting zone 10111 is communicated with the molten bath of reduction zone 10112.The wall of smelting zone 10111 is provided with smelting zone charging opening 10113 and puts tin mouth 10114, the wall of reduction zone 10112 is provided with reductive agent and adds entrance 10115 and slag notch 10119, and the roof of furnace chamber 1011 is provided with and each smoke outlet being all communicated with in smelting zone 10111 and reduction zone 10112.
Smelting zone side-blown spray gun 103 is located on the sidewall of smelting zone 10111 to the first oxygen-containing gas and the first fuel-side are blown to the part that is positioned at smelting zone 10111 in molten bath, and reduction zone side-blown spray gun 104 is located on the sidewall of reduction zone 10112 to the second oxygen-containing gas and the second fuel-side are blown to the part that is positioned at reduction zone 10112 in molten bath.
Describe and utilize the continuous side-blown tin-making process of implementing according to the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention below with reference to Fig. 2.As shown in Figure 2, comprise the following steps according to the continuous side-blown tin-making process of the embodiment of the present invention:
Stanniferous material is joined in smelting zone 10111;
Utilize smelting zone side-blown spray gun 103 to spray into the first oxygen-containing gas and the first fuel from the side of smelting zone 10111 to the part that is positioned at smelting zone 10111 in described molten bath, to stanniferous material is carried out melting and obtains the first thick tin and hardhead;
Reductive agent is joined in reduction zone 10112;
Utilize reduction zone side-blown spray gun 104 to spray into the second oxygen-containing gas and the second fuel from the side of reduction zone 10112 to the part that is positioned at reduction zone 10112 in described molten bath, to reduce and obtain the second thick tin and slag to flow to the hardhead of reduction zone 10112 from smelting zone 10111, the described second thick tin flows to smelting zone 10111 from reduction zone 10112;
Discharge the described first thick tin and the described second thick tin from putting tin mouth 10114; With
Discharge discontinuously described slag from described slag notch.
According to the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention by the interior partition wall 102 that arranges of furnace chamber 1011, thereby furnace chamber 1011 can be divided into smelting zone 10111 and reduction zone 10112, to can realize melting and reduction in single continuous side-blown tin metallurgy device 10, realized continuous tin metallurgy the continuous side-blown tin metallurgy device 10 of single sealing is interior, therefore good seal performance, the feature of environmental protection is high.Not only can utilize fully thus the heat content of slag, in the time of the described hardhead of reduction, only need to consume less fuel and carry out additional heat, and can greatly shorten the flow process of smelting tin, simplify side-blown tin-making process continuously.
And owing to taking side-blown, the carbonaceous reducing agent direct-reduction therefore adding to the fuel of reduction zone 10112 interior side-blowns and the second oxygen-containing gas and furnace roof goes out thick tin, in slag, stanniferous amount further reduces, and then send fuming furnace sulfiding volatilization further dilution processing.In addition, because partition wall 102 extend in described molten bath, be that partition wall 102 extend into below the liquid level L1 of slag, therefore can make the gas in gas and the reduction zone 10112 in smelting zone 10111 separate, the flue gas of the flue gas of smelting zone 10111 and reduction zone 10112 can not mix, and realizes melting and reduction continuous smelting.。
Therefore, according to the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention have that energy consumption is low, the advantage such as good seal performance, the feature of environmental protection are high, simple in structure, easy to operate.
Have according to the continuous side-blown tin-making process of the embodiment of the present invention that technique is simple, energy consumption is low, the feature of environmental protection is high, level of automation advantages of higher.
Particularly, described molten bath comprises the part that is positioned at smelting zone 10111 and the part that is positioned at reduction zone 10112.
As shown in Figure 1, in one embodiment of the invention, the diapire of the lower surface of partition wall 102 and furnace chamber 1011 is spaced apart, and forms communicating passage 10117 between the lower surface of partition wall 102 and the diapire of furnace chamber 1011.
In another embodiment of the present invention, partition wall 102 is connected with the diapire of furnace chamber 1011, and partition wall 102 is provided with communicating passage 10117.
Described hardhead can flow in reduction zone 10112 from smelting zone 10111 by communicating passage 10117, and the described second thick tin can flow in smelting zone 10111 from reduction zone 10112 by communicating passage 10117.
As shown in Figure 1, in described molten bath, the liquid level that L1 is slag, the liquid level that L2 is thick tin.The part that is positioned at smelting zone 10111 in described molten bath is held described hardhead, and the part that is positioned at reduction zone 10112 in described molten bath is held the slag (the stanniferous amount of described slag is less than or equal to 3-5wt%) after being reduced.
As shown in Figure 1, in a concrete example of the present invention, Reaktionsofen 101 can be horizontal chamber oven.Particularly, Reaktionsofen 101 can be the fixing horizontal chamber oven of long ellipse shape.The diapire of furnace chamber 1011 can be recessed arc.
Described smoke outlet can comprise smelting zone smoke outlet 10118 and reduction zone smoke outlet 10116.Smelting zone charging opening 10113 and smelting zone smoke outlet 10118 can be located on the roof of smelting zone 10111, and reductive agent adds entrance 10115 and reduction zone smoke outlet 10116 can be located on the roof of reduction zone 10112.The structure of tin metallurgy device 10 of can making thus to blow side is continuously more reasonable.
Putting on the sidewall that tin mouth 10114 can be located at smelting zone 10111 and put tin mouth 10114 can be away from partition wall 102, and described slag notch can be located on the end wall of reduction zone 10112.The structure of tin metallurgy device 10 of can making thus to blow side is continuously more reasonable.Advantageously, put tin mouth 10114 and can be close to the diapire of Reaktionsofen 101.
On the sidewall of smelting zone 10111, smelting zone gun slot can be provided with, on the sidewall of reduction zone 10112, reduction zone gun slot can be provided with.Wherein, smelting zone side-blown spray gun 103 can be located in the gun slot of described smelting zone and described reduction zone side-blown spray gun 104 can be located in the gun slot of described reduction zone.
Particularly, the end of smelting zone side-blown spray gun 103 can be positioned at described smelting zone gun slot, and described smelting zone gun slot also can be stretched out in the end of smelting zone side-blown spray gun 103, and the end of smelting zone side-blown spray gun 103 can extend in furnace chamber 1011.The end of reduction zone side-blown spray gun 104 can be positioned at described reduction zone gun slot, and described reduction zone gun slot also can be stretched out in the end of reduction zone side-blown spray gun 104, and the end of reduction zone side-blown spray gun 104 can extend in furnace chamber 1011.
As shown in Figure 1, more specifically, smelting zone side-blown spray gun 103 can be injected to the first oxygen-containing gas and the first fuel on the liquid level L2 of thick tin of smelting zone 10111 and under the liquid level L1 of described hardhead.In other words, smelting zone side-blown spray gun 103 can be injected to the first oxygen-containing gas and the first fuel in the rich lead skim in smelting zone 10111.
Reduction zone side-blown spray gun 104 can be injected to the second oxygen-containing gas and the second fuel on the liquid level L2 of thick tin of reduction zone 10112 and under the liquid level L1 of slag.In other words, reduction zone side-blown spray gun 104 can be injected to the second oxygen-containing gas and the second fuel in the slag in reduction zone 10112, thereby in reduction zone 10112, the second oxygen-containing gas that reduction zone side-blown spray gun 104 sprays into and the second fuel can not be oxidized the lead bullion having restored repeatedly.
As shown in Figure 1, in an example of the present invention, smelting zone side-blown spray gun 103 can be multiple, multiple smelting zones side-blown spray gun 103 can be located on the sidewall of smelting zone 10111 at interval along the length direction of Reaktionsofen 101, reduction zone side-blown spray gun 104 can be multiple, and multiple reduction zones side-blown spray gun 104 can be located on the sidewall of reduction zone 10112 at interval along the length direction of Reaktionsofen 101.The structure of tin metallurgy device 10 of can making thus to blow side is continuously more reasonable.Wherein, the length direction of Reaktionsofen 101 is as shown in the arrow A in Fig. 1.
Stanniferous material (for example tin concentrate) joins in smelting zone 10111 from smelting zone charging opening 10113, and the first oxygen-containing gas spraying into by smelting zone side-blown spray gun 103 and the first fuel carry out melting to stanniferous material and obtains thick tin and hardhead.Hardhead in smelting zone 10111 flow in reduction zone 10112 from communicating passage 10117.Add entrance 10115 from reductive agent adds reductive agent to reduce to the tin hardhead in reduction zone 10112, and in the slag in reduction zone 10112, spray into the second oxygen-containing gas and the second fuel by reduction zone side-blown spray gun 104, to maintain and improve the temperature of reduction zone 10112.
It will be appreciated that, by controlling straying quatity, the part of fuel that reduction zone side-blown spray gun 104 sprays into also can be used as reductive agent and reduce hardhead simultaneously together with the reductive agent adding.
The volumetric concentration of the oxygen of described the first oxygen-containing gas is 24%-60%.That is to say, the oxygen level of described the first oxygen-containing gas is 24v%-60v%.Can carry out melting to stanniferous material better thus.
The volumetric concentration of the oxygen of described the second oxygen-containing gas is 30%-100%, and the oxygen level of described the second oxygen-containing gas is 30v%-100v%.Can reduce to hardhead better thus.
Described reductive agent can be beans.Those skilled in the art generally believe: utilize metallurgical coke can effectively reduce to hardhead as reductive agent.Contriver finds after performing creative labour through deep research: with utilize compared with metallurgical coke reduces to hardhead, utilize beans to reduce to hardhead, the tin content (the stanniferous amount of described slag is less than or equal to 3-5wt%) in slag can be further reduced, thereby direct yield and the rate of recovery of tin can be further improved.Therefore, by utilizing beans as reductive agent, overcome technology prejudice, and can reduce costs.
Advantageously, the particle diameter of beans can be less than or equal to preset value.
Described the first fuel can be selected from least one in fine coal, Sweet natural gas, coke-oven gas and producer gas, and described the second fuel can be selected from least one in fine coal, Sweet natural gas, coke-oven gas and producer gas.
Can also add flux to described smelting zone and described reduction zone, described flux can be the mixture of Wingdale, quartzite or quartzite and lime.
The described hardhead that reduces produces the second thick tin and slag, and the described second thick tin can flow into by communicating passage 10117 part that is positioned at smelting zone 10111 in described molten bath.The described first thick tin and the described second thick tin can be discharged furnace chamber 1011 from putting tin mouth 10114.The slag (being the slag producing after described hardhead is reduced in reduction zone 10112) of reduction zone 10112 interior generations is regularly discharged from described slag notch.The slag of reduction zone 10112 interior generations can discharge once for every 1.5 hours-2 hours.
In examples more of the present invention, the tin metallurgy device 10 that blows side continuously can also comprise waste heat boiler.Described waste heat boiler can be connected with described smoke outlet, to utilize described waste heat boiler to reclaim the heat in the flue gas that heat in the flue gas that melting produces and reduction produce.
Side-blown tin metallurgy device 10 also comprises dust-precipitator (for example bagroom) continuously, described dust-precipitator can be connected with described waste heat boiler, to utilize described dust-precipitator to reclaim the stanniferous flue dust in the flue gas that stanniferous flue dust in the flue gas that melting produces and reduction produce.
Side-blown tin metallurgy device 10 may further include water cooler continuously, and described water cooler can be connected with described waste heat boiler and described dust-precipitator can be connected with described water cooler.
Wherein, stanniferous flue dust can join in smelting zone 10111.In the time starting to start continuous side-blown tin metallurgy device 10, owing to not producing stanniferous flue dust, therefore stanniferous material and flux can be joined in smelting zone 10111.After stanniferous flue dust to be generated, stanniferous flue dust, stanniferous material and flux can be joined in smelting zone 10111.
Can realize continuous tin metallurgy and regular deslagging according to the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention.
On the sidewall of reduction zone 10112, can be provided with overfiren air port, air is carried in the top of the part that is positioned at reduction zone 10112 from described overfiren air port to described molten bath, so that the combustiblematerials in the flue gas that burning reduction produces.Can improve thus environmental-protecting performance and safety performance.
Put tin mouth 10114 places and be provided with the first ventilating chamber for preventing tin vapor diffusion, slag notch place is provided with the second ventilating chamber for preventing tin vapor diffusion.
Be according to the technical superiority of the continuous side-blown tin metallurgy device 10 of the embodiment of the present invention and the tin-making process that blows side continuously:
1, energy consumption is low: realized the fusion process from tin material to thick tin a stove the inside, fusion process adopts industrial oxygen (carrier of oxygen volume concentrations 30%-100%), exhaust gas volumn is few, dust rate is low, adopt broken coal (beans) as reductive agent, do not need relatively costly metallurgical coke, reclaim the waste heat in melting section and reduction section flue gas simultaneously.
2, environmental protection is good: tin concentrate fusion process carries out in an airtight Reaktionsofen 101, avoid flue gas to escape, tin concentrate or other tin raw material coordinate granulate after directly into stove, material preparation process is simple, in production process, the tin flue dust of output all seals and carries and return batching, has effectively prevented the disperse of tin dirt; The flue gas of melting output, after waste heat recovery and gathering dust, send desulphurization system.The thick tin of side-blown converter melting section and reduction section output is discharged from tin discharge outlet continuously, and the slag of output is discharged from reduction section slag mouth, establishes ventilating chamber at tin discharge outlet and slag notch simultaneously, prevents the diffusion of tin steam.Substantially solved the problem of tin flue gas during smelting, tin dust pollution.
3, the rate of recovery is high: in continuous side-blown tin metallurgy stove, owing to having utilized fully the heat content of slag, reduction section at the tin metallurgy stove that blows side continuously carries out concurrent heating by consuming less fuel, fusion process adopts industrial oxygen, effectively reduce exhaust gas volumn and dust rate, reduced the tin content in slag as reductive agent with use broken coal, improved direct yield and the rate of recovery of tin.
4, the lead smelting process that blows side is continuously in all tin metallurgy methods, comprises material preparation system, the technique that flow process is the shortest, and process unit is simple, reduced investment.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, at least one this feature can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " multiple " is at least two, for example two, and three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless separately there is clear and definite restriction.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this specification sheets or example and different embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, amendment, replacement and modification.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.

Claims (10)

1. a continuous side-blown tin metallurgy device, is characterized in that, comprising:
Reaktionsofen, in described Reaktionsofen, there is furnace chamber, the bottom of described furnace chamber has the molten bath for holding slag and tin liquor, in described furnace chamber, being provided with partition wall and described partition wall extend in described molten bath to described furnace chamber is divided into smelting zone and reduction zone, the molten bath of described smelting zone is communicated with the molten bath of described reduction zone, the wall of described smelting zone is provided with smelting zone charging opening and puts Xi Kou, the wall of described reduction zone is provided with reductive agent and adds entrance and slag notch, and the roof of described furnace chamber is provided with and each smoke outlet being all communicated with in described smelting zone and described reduction zone;
Smelting zone side-blown spray gun, described smelting zone side-blown spray gun is located on the sidewall of described smelting zone to the first oxygen-containing gas and the first fuel-side are blown to the part that is positioned at described smelting zone in described molten bath; With
Reduction zone side-blown spray gun, described reduction zone side-blown spray gun is located on the sidewall of described reduction zone to the second oxygen-containing gas and the second fuel-side are blown to the part that is positioned at described reduction zone in described molten bath.
2. continuous side-blown tin metallurgy device according to claim 1, it is characterized in that, the sidewall of described smelting zone is provided with smelting zone gun slot, the sidewall of described reduction zone is provided with reduction zone gun slot, and wherein said smelting zone side-blown spray gun is located in the gun slot of described smelting zone and described reduction zone side-blown spray gun is located in the gun slot of described reduction zone.
3. continuous side-blown tin metallurgy device according to claim 1, is characterized in that, described in put on the sidewall that Xi Kou is located at described smelting zone and away from described partition wall, described slag notch is located on the end wall of described reduction zone.
4. continuous side-blown tin metallurgy device according to claim 1, it is characterized in that, described smelting zone charging opening is located on the roof of described smelting zone, described reductive agent adds on the roof that entrance is located at described reduction zone, described smoke outlet comprises the smelting zone smoke outlet being communicated with described smelting zone and the reduction zone smoke outlet being communicated with described reduction zone, described smelting zone smoke outlet is located on the roof of described smelting zone, and described reduction zone smoke outlet is located on the roof of described reduction zone.
5. continuous side-blown tin metallurgy device according to claim 1, is characterized in that, the sidewall of described reduction zone is provided with overfiren air port.
6. continuous side-blown tin metallurgy device according to claim 1, is characterized in that, described in put Xi Kou place and be provided with the first ventilating chamber for preventing tin vapor diffusion, described slag notch place is provided with the second ventilating chamber for preventing tin vapor diffusion.
7. continuous side-blown tin metallurgy device according to claim 1, is characterized in that, also comprise waste heat boiler, described waste heat boiler is connected with described smoke outlet.
8. continuous side-blown tin metallurgy device according to claim 7, is characterized in that, also comprise dust-precipitator, described dust-precipitator is connected with described waste heat boiler.
9. according to the continuous side-blown tin metallurgy device described in any one in claim 1-8, it is characterized in that, described Reaktionsofen is horizontal chamber oven.
10. continuous side-blown tin metallurgy device according to claim 9, it is characterized in that, described smelting zone side-blown spray gun is multiple, multiple described smelting zones side-blown spray gun is located on the sidewall of described smelting zone at interval along the length direction of described Reaktionsofen, described reduction zone side-blown spray gun is multiple, and multiple described reduction zones side-blown spray gun is located on the sidewall of described reduction zone at interval along the length direction of described Reaktionsofen.
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CN104894378A (en) * 2015-06-15 2015-09-09 中国瑞林工程技术有限公司 Dual-top-blown smelting device and dual-top-blown smelting method
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CN105907987A (en) * 2016-04-26 2016-08-31 中国瑞林工程技术有限公司 Smelting furnace and copper matte preparation method using same

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CN202482409U (en) * 2011-12-28 2012-10-10 个旧市富祥工贸有限责任公司 Oxygen-rich side-blow reduction molten pool smelting furnace applicable to tin smelting by tin-rich complex materials

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WO2015196888A1 (en) * 2014-06-25 2015-12-30 中国恩菲工程技术有限公司 Continuous side-blast tin smelting apparatus
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CN105907987A (en) * 2016-04-26 2016-08-31 中国瑞林工程技术有限公司 Smelting furnace and copper matte preparation method using same

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