CN204039474U - Bottom blowing tin metallurgy device - Google Patents

Bottom blowing tin metallurgy device Download PDF

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Publication number
CN204039474U
CN204039474U CN201420391512.0U CN201420391512U CN204039474U CN 204039474 U CN204039474 U CN 204039474U CN 201420391512 U CN201420391512 U CN 201420391512U CN 204039474 U CN204039474 U CN 204039474U
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China
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blowing
tin
furnace
furnace chamber
metallurgy
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李东波
黎敏
王建铭
王忠实
张振民
胡丕成
吴卫国
姚霞
冯双杰
邓兆磊
林屹
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Priority to CN201410201624 priority
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Abstract

The utility model relates to a kind of bottom blowing tin metallurgy device.Described bottom blowing tin metallurgy device comprises: smelting furnace, there is in described smelting furnace the first furnace chamber, described smelting furnace have charging opening for adding material in described first furnace chamber, for discharge lean tin slag the first slag notch, for discharge thick tin thick tin discharge outlet, for discharging the first smoke outlet of flue gas and being located at the spray gun jack of bottom of described smelting furnace; And Bottom Blowing Ejection Gun, described Bottom Blowing Ejection Gun is inserted in described spray gun jack, for being blown into oxygen-containing gas and fuel in described first furnace chamber.Have that energy consumption is low, good seal performance, the feature of environmental protection are high, structure is simple according to the bottom blowing tin metallurgy device of the utility model embodiment, easy to operate, etc. advantage.

Description

Bottom blowing tin metallurgy device
Technical field
The utility model relates to technical field of non-ferrous metallurgy, especially relates to bottom blowing tin metallurgy 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 system interruption smelting technology is because of investment, management and maintenance cost is high, exhaust gas volumn large, and fluctuation also greatly, and direct yield is low to be eliminated already.Kaldo Furnace is complicated for tiltedly blowing rotating furnace type device structure, and maintenance cost is high, and the stove longevity is short, and refractory consumption rate is large.Reverberatory furnace, due to shortcomings such as the low production efficiency of its ability 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 and the abundant area of electric power; Blast furnace smelting process requirement material needs to granulate or briquetting, and the shortcomings such as consume expensive metallurgical coke, 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 slag is stanniferous is down to lower level, but investment is large, and maintenance cost is high, and complicated operation.
Utility model content
The utility model is intended to solve one of technical problem in above-mentioned tin-making process correlation technique at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of bottom blowing tin metallurgy device with advantages such as energy consumption are low, good seal performance, the feature of environmental protection are high, structure is simple, easy to operate.
Comprise according to bottom blowing tin metallurgy device of the present utility model: smelting furnace, there is in described smelting furnace the first furnace chamber, described smelting furnace have charging opening for adding material in described first furnace chamber, for discharge lean tin slag the first slag notch, for discharge thick tin thick tin discharge outlet, for discharging the first smoke outlet of flue gas and being located at the spray gun jack of bottom of described smelting furnace; And Bottom Blowing Ejection Gun, described Bottom Blowing Ejection Gun is inserted in described spray gun jack, for being blown into oxygen-containing gas and fuel in described first furnace chamber.
In described first furnace chamber, oxygen-containing gas and fuel is blown into from the bottom of described first furnace chamber to blow to stanniferous material by utilizing described Bottom Blowing Ejection Gun according to bottom blowing tin metallurgy device of the present utility model, thus can realize melting and reduction in single described bottom blowing tin metallurgy device, namely in single closed described bottom blowing tin metallurgy device, blowing tin is realized, therefore good seal performance, the feature of environmental protection is high.Not only can utilize the heat content of hardhead thus fully, only need to consume less fuel when reducing hardhead and carry out additional heat, and greatly can shorten the flow process of blowing tin, simplify blowing process of tin.
Therefore, have according to bottom blowing tin metallurgy device of the present utility model that energy consumption is low, good seal performance, the feature of environmental protection are high, advantages of simple structure and simple.
In addition, above-mentioned according to the utility model bottom blowing tin metallurgy device can also have following additional technical characteristic:
Described charging opening comprises the first charging opening for adding stanniferous material in described first furnace chamber, for adding the second charging opening of stanniferous flue dust and the 3rd charging opening for adding reductive agent in described first furnace chamber in described first furnace chamber.
Described smelting furnace is rotating cylindrical horizontal reactor.
Described thick tin discharge outlet is located at the first end of described cylindrical horizontal reactor, and the first end of the contiguous described cylindrical horizontal reactor of described first smoke outlet, described first slag notch is located at the second end of described cylindrical horizontal reactor.
Described Bottom Blowing Ejection Gun is located at below the horizontal center line of described smelting furnace.
Angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+120 scopes spent-120.
Angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+60 scopes spent-60.
Angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+30 scopes spent-30.
Angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+20 scopes spent-20.
Described Bottom Blowing Ejection Gun and be orthogonal to described bottom blowing tin metallurgy device axis direction between angle β spend in+30 scopes spent-30.
Described Bottom Blowing Ejection Gun and be orthogonal to described bottom blowing tin metallurgy device axis direction between angle β be 0 degree.
Described bottom blowing tin metallurgy device comprises further: fuming furnace, there is in described fuming furnace the second furnace chamber, described fuming furnace have heat material mouth for adding liquid lean tin slag in described second furnace chamber, for add in described second furnace chamber vulcanizing agent cold burden mouth, for discharge flue gas the second smoke outlet, for discharging the second slag notch and the side-blown spray gun jack of waste; And side-blown spray gun, described side-blown spray gun is inserted in described side-blown spray gun jack, for being blown into oxygen-containing gas and fuel in described second furnace chamber.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the bottom blowing tin metallurgy device according to the utility model embodiment;
Fig. 2 is the transverse sectional view of the bottom blowing tin metallurgy device according to the utility model embodiment;
Fig. 3 is the transverse sectional view of the bottom blowing tin metallurgy device according to the utility model embodiment;
Fig. 4 is the schematic diagram of the projection of bottom blowing tin metallurgy device on perpendicular according to the utility model embodiment;
Fig. 5 is the schema of the bottom blowing tin-making process according to the utility model embodiment;
Fig. 6 is the structural representation of the fuming furnace of bottom blowing tin metallurgy device according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In metallurgical technology field, the difference of top blast and side-blown is not only the change of Burners Positions, and what the two reacted is diverse smelting equipment and technique.Such as, in steelmaking technical field, initial is all bottom blowing steel-making, but the top blast developed afterwards steel-making is initiative utility model, diverse technology with bottom blowing, this is not simply spray gun is become top blast from bottom blowing, but embodies 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, the dynamic conditions of melt in stove, Melt Stirring state and reaction mechanism (reaction sequence) can be caused different.
More specifically, existing tin smelting technology is all the process based on oxidizing semlting, retailoring.But, specifically adopt any equipment to realize oxidizing semlting in practice, retailoring be problem most crucial in through engineering approaches application.The different choice of equipment is determined to the different technologies route (established technology) realizing oxidizing semlting, retailoring process, technological line will determine the advance of industrialized reliability, exploitativeness and technical indicator.The selection (i.e. the installation site of spray gun) of position of jetting is then one of problem basic, the most most crucial in equipment choice, equipment de-sign.When have 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, and no matter which kind of carries out to it and improve, 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.Such as, device and the technique of smelting tin are different from the device and technique of smelting lead completely.That is, without performing creative labour (change), cannot utilize and smelt plumbous device and technique smelting tin.
Below with reference to Fig. 1-Fig. 4, the bottom blowing tin metallurgy device 10 according to the utility model embodiment is described.As Figure 1-Figure 4, smelting furnace 101 and Bottom Blowing Ejection Gun 102 is comprised according to the bottom blowing tin metallurgy device 10 of the utility model embodiment.
There is in smelting furnace 101 first furnace chamber 1011, smelting furnace 101 have charging opening for adding material in the first furnace chamber 1011, for discharge lean tin slag the first slag notch 1013, for discharge thick tin thick tin discharge outlet 1014, for discharging the first smoke outlet 1015 of flue gas and being located at the spray gun jack 1016 of bottom of smelting furnace 101.Bottom Blowing Ejection Gun 102 is inserted in spray gun jack, and Bottom Blowing Ejection Gun 102 for being blown into oxygen-containing gas and fuel in the first furnace chamber 1011.
The bottom blowing tin-making process utilizing and implement according to the bottom blowing tin metallurgy device 10 of the utility model embodiment is described below with reference to Fig. 5.As shown in Figure 5, comprise the following steps according to the bottom blowing tin-making process of the utility model embodiment:
Stanniferous material is joined in the molten bath of the first furnace chamber 1011;
Bottom Blowing Ejection Gun 102 is utilized in the first furnace chamber 1011, to be blown into oxygen-containing gas and fuel from the bottom of the first furnace chamber 1011, to carry out melting to stanniferous material and to produce thick tin and hardhead;
Reductive agent is joined in the first furnace chamber 1011, to utilize described reductive agent reduce to described hardhead and obtain lean tin slag; With
Discharge thick tin from thick tin discharge outlet 1014, discharge lean tin slag from the first slag notch 1013.
In the first furnace chamber 1011, oxygen-containing gas and fuel is blown into from the bottom of the first furnace chamber 1011 to blow to stanniferous material by utilizing Bottom Blowing Ejection Gun 102 according to the bottom blowing tin metallurgy device 10 of the utility model embodiment, thus can realize melting and reduction in single bottom blowing tin metallurgy device 10, namely in single closed bottom blowing tin metallurgy device 10, blowing tin is realized, therefore good seal performance, the feature of environmental protection is high.Not only can utilize the heat content of hardhead thus fully, only need to consume less fuel when reducing hardhead and carry out additional heat, and greatly can shorten the flow process of blowing tin, simplify blowing process of tin.
Therefore, according to the bottom blowing tin metallurgy device 10 of the utility model embodiment, there is the advantages such as energy consumption is low, good seal performance, the feature of environmental protection are high, structure is simple, easy to operate.
Have according to the bottom blowing tin-making process of the utility model embodiment that technique is simple, energy consumption is low, the feature of environmental protection is high, level of automation advantages of higher.
As shown in Figure 1, in embodiments more of the present utility model, charging opening can comprise the first charging opening 10121 for adding stanniferous material (such as Tin concentrate) in the first furnace chamber 1011, for adding the second charging opening 10122 of stanniferous flue dust and the 3rd charging opening 10123 for adding reductive agent in the first furnace chamber 1011 in the first furnace chamber 1011.The structure of bottom blowing tin metallurgy device 10 can be made thus more reasonable.
Advantageously, as shown in Figure 1, smelting furnace 101 is rotating cylindrical horizontal reactor.By rotating smelting furnace 101, can change and keep in repair Bottom Blowing Ejection Gun 102 easily, and the melt in the time of needing repairing emptying first furnace chamber 1011.Thick tin discharge outlet 1014 can be located at the first end of cylindrical horizontal reactor, and the first smoke outlet 1015 can be close to the first end of cylindrical horizontal reactor, and the first slag notch 1013 can be located at the second end of cylindrical horizontal reactor.
As shown in Figure 1, bottom blowing tin metallurgy device 10 may further include bracket 103, backing ring 104, gear ring 105 and drive unit 106.Backing ring 104 to be set on smelting furnace 101 and to be rotatably supported on bracket 103.Gear ring 105 is set on the outside surface of smelting furnace 101.Drive unit 106 is connected with gear ring 105, to drive smelting furnace 101 to rotate by driving gear ring 105 to rotate.
Drive unit 106 such as can comprise motor, the speed reduction unit be connected with motor, and the output shaft of speed reduction unit can install gear, and gear engages with gear ring 105 to drive gear ring 105 to rotate.Smelting furnace 101, under the drive of gear ring 105, bracket 103 rotates, and because smelting furnace 101 can rotate, is convenient to change Bottom Blowing Ejection Gun 102 and other operations.
Stanniferous material can be joined in the first furnace chamber 1011 discontinuously, and thick tin and lean tin slag can be discharged discontinuously.Oxygen-containing gas and fuel can be continuously blown in the first furnace chamber 1011.Fuel can be selected from least one in fine coal, Sweet natural gas, coke-oven gas and producer gas.
Flux can also be added in the first furnace chamber 1011.Described flux can be the mixture of Wingdale, quartzite, quartzite and lime.Also flux can not be added according to raw material condition.
The volumetric concentration of the oxygen of oxygen-containing gas can be 24%-60%.That is, the oxygen level of oxygen-containing gas is 24v%-60v%, and therefore, oxygen-containing gas is industrial oxygen or oxygen-rich air.
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: carry out compared with reduction with utilizing metallurgical coke to hardhead, beans is utilized to reduce to hardhead, the Theil indices (Theil indices in lean tin slag is less than or equal to 3wt%) in lean tin slag can be reduced further, thus direct yield and the rate of recovery of tin can be improved further.Therefore, by utilizing beans as reductive agent, overcome technology prejudice, and can reduce costs.
In examples more of the present utility model, bottom blowing tin metallurgy device 10 can also comprise waste heat boiler, described waste heat boiler can be connected with the first smoke outlet 1015, to utilize the heat in described waste heat boiler recovered flue gas, namely utilize the heat that described waste heat boiler reclaims the heat in the flue gas of melting generation and reduces in the flue gas of generation.
Bottom blowing tin metallurgy device 10 can also comprise dust-precipitator (such as bagroom), described dust-precipitator can be connected with described waste heat boiler, to utilize the stanniferous flue dust in described dust-precipitator recovered flue gas, namely utilize the stanniferous flue dust that described dust-precipitator reclaims the stanniferous flue dust in the flue gas of melting generation and reduces in the flue gas of generation, turn back in the first furnace chamber 1011 after then stanniferous flue dust being granulated.
Stanniferous flue dust can join in the first furnace chamber 1011 by independent charging opening (such as the second charging opening 10122), also can join in the first furnace chamber 1011 together with stanniferous material.When starting to start bottom blowing tin metallurgy device 10, owing to not producing stanniferous flue dust, therefore stanniferous material and flux can be joined in the first furnace chamber 1011.After stanniferous flue dust to be generated, stanniferous flue dust, stanniferous material and flux can be joined in the first furnace chamber 1011.
Bottom blowing tin metallurgy device 10 may further include water cooler, and described water cooler can be connected with described waste heat boiler and described dust-precipitator can be connected with described water cooler.
As shown in Figure 1, in an embodiment of the present utility model, described spray gun jack can be multiple and Bottom Blowing Ejection Gun 102 can be multiple, multiple described spray gun jacks can be formed in the bottom of smelting furnace 101 at interval, multiple Bottom Blowing Ejection Gun 102 can be inserted in multiple described spray gun jack correspondingly, and namely a Bottom Blowing Ejection Gun 102 can be inserted in a described spray gun jack.Oxygen-containing gas and fuel can be blown in the first furnace chamber 1011 more equably thus.
It is to be appreciated that term " bottom " here should make broad understanding, comprise any suitable position of below the horizontal center line X of smelting furnace 101.Bottom Blowing Ejection Gun 102 can be located at below the horizontal center line X of smelting furnace 101.Preferably, Bottom Blowing Ejection Gun 102 immediately below smelting furnace 101, will be able to be described in more detail below.
As shown in figs 2-4, the angle α between Bottom Blowing Ejection Gun 102 and direction straight up can spend to+120 scopes spent-120, and namely-120 degree≤α≤+ 120 are spent.In other words, the angle between the emission direction of Bottom Blowing Ejection Gun 102 and direction is straight up spent to+120 scopes spent-120.As shown in figs 2-4, from the blowing direction of Bottom Blowing Ejection Gun 102 in the counterclockwise direction to the angle α in direction straight up be just, from the blowing direction of Bottom Blowing Ejection Gun 102 along clockwise direction to the angle α in direction be straight up negative.
More specifically, the angle α between Bottom Blowing Ejection Gun 102 and direction straight up can spend to+60 scopes spent-60, and namely-60 degree≤α≤+ 60 are spent.Advantageously, the angle between Bottom Blowing Ejection Gun 102 and direction is straight up spent to+30 scopes spent-30, and namely-30 degree≤α≤+ 30 are spent.Preferably, the angle between Bottom Blowing Ejection Gun 102 and direction is straight up spent to+20 scopes spent-20, and namely-20 degree≤α≤+ 20 are spent.Blowing effect can be improved thus.
In the utility model optional embodiment, Bottom Blowing Ejection Gun 102 and be orthogonal to smelting furnace 101 axis direction (vertical direction namely in Fig. 1) between angle β spend in+30 scopes spent-30.More preferably, angle β is 0 degree, and namely Bottom Blowing Ejection Gun 102 is vertically directed.Wherein, vertical direction is as shown in the arrow A in Fig. 1.
In order to improve the life-span of Bottom Blowing Ejection Gun 102, between the periphery of Bottom Blowing Ejection Gun 102 and smelting furnace 101, be provided with gas permeable brick or the first watercooling jacket.Gas permeable brick can cool Bottom Blowing Ejection Gun 102 and can improve the mobility of the melt in the first furnace chamber 1011, improves blowing effect.
Optionally, nitrogen can be sprayed by gas permeable brick in the first furnace chamber 1011, then can cool Bottom Blowing Ejection Gun 102 better and stir the melt in the first furnace chamber 1011 better.When arranging watercooling jacket, watercooling jacket leads to water coolant, cools Bottom Blowing Ejection Gun 102.
Preferably, the slag blanket region of the first furnace chamber 1011 is provided with the second watercooling jacket.The work-ing life of smelting furnace 101 can be extended thus further.Preferably, the first and second watercooling jackets are copper water jacket.Compared to traditional molten steel cover, copper water jacket has the advantage such as good cooling results, long service life.
As shown in Figure 6, fuming furnace 103 and side-blown spray gun 104 is comprised further according to the bottom blowing tin metallurgy device 10 of the utility model embodiment.There is in fuming furnace 103 second furnace chamber 1031, fuming furnace 103 have heat material mouth 1032 for adding liquid lean tin slag in the second furnace chamber 1031, for add in the second furnace chamber 1031 vulcanizing agent cold burden mouth 1033, for discharge flue gas the second smoke outlet 1034, for discharging the second slag notch 1035 and the side-blown spray gun jack of waste.Side-blown spray gun 104 is inserted in described side-blown spray gun jack, and side-blown spray gun 104 for being blown into oxygen-containing gas and fuel in the second furnace chamber 1031.
Bottom blowing tin-making process according to the utility model embodiment comprises further:
Liquid lean tin slag is joined in the second furnace chamber 1031 from heat material mouth 1032, and vulcanizing agent is joined in the second furnace chamber 1031 from cold burden mouth 1033;
Side-blown spray gun 104 is utilized in the second furnace chamber 1031, to be blown into oxygen-containing gas and fuel, to carry out sulfuration to lean tin slag and to produce waste from the side of the second furnace chamber 1031; With
Waste is discharged from the second slag notch 1035.
Specifically, the lean tin slag of the liquid state that smelting furnace 101 retailoring produces is after bottom convertor slag notch 1013 discharge, can to hang through steamed stuffed bun or the mode of chute direct current joins in the second furnace chamber 1031 from heat material mouth 1032, and vulcanizing agent is joined in the second furnace chamber 1031 from cold burden mouth 1033, side-blown spray gun 104 is blown into oxygen-containing gas and fuel (such as fine coal) in the second slag notch 1035.Fuel combustion, so that keeping in the second furnace chamber 1031 is weakly reducing atmosphere, blows, to accelerate chemical reaction and volatilization under high temperature and intense agitation.The stannous sulfide evaporated is oxidized to stannic oxide in flue, through waste heat boiler and follow-up dust collecting system, obtains enrichment with the form of stanniferous flue dust, and stanniferous flue dust can return in the first furnace chamber 1011 and carry out melting.The waste that fuming furnace 103 produces can be discharged from the second slag notch 1035 of the second furnace chamber 1031.Particularly, waste can be discharged from the second slag notch 1035 of the second furnace chamber 1031 termly.
In a concrete example of the present utility model, solid-state stanniferous material can also be joined in the second furnace chamber 1031 from cold burden mouth 1033, to regulate the temperature in the second furnace chamber 1031.Particularly, described solid-state stanniferous material comprises at least one in lean tin slag and medium tin ore.
Be according to the bottom blowing tin metallurgy device 10 of the utility model embodiment and the technical superiority of bottom blowing tin-making process:
1, energy consumption is low: inside a stove, achieve the fusion process from tin material to thick tin, 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, the waste heat simultaneously in recovered flue gas.
2, environmental protection is good: Tin concentrate fusion process carries out in an airtight smelting furnace 101, avoid flue gas to escape, directly stove is entered after Tin concentrate or other tin raw material coordinate granulation, material preparation process is simple, in production process, the tin flue dust of output all seals and carries and return batching, effectively prevent the disperse of tin dirt; The flue gas of melting output, through waste heat recovery with after gathering dust, send desulphurization system.The thick tin of bottom convertor output is discharged from tin discharge outlet, and the lean tin slag of output is discharged from the first slag notch, establishes ventilating chamber simultaneously, prevent the diffusion of tin steam at tin discharge outlet and slag notch.Substantially the problem of tin flue gas during smelting, tin dust pollution is solved.
3, the rate of recovery is high: in bottom blowing tin metallurgy stove, and fusion process adopts industrial oxygen, uses broken coal to significantly reduce exhaust gas volumn and dust rate, the Theil indices reduced in lean tin slag as reductive agent, improves direct yield and the rate of recovery of tin.
4, bottom blowing sn smelting method is 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 present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " 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, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (12)

1. a bottom blowing tin metallurgy device, is characterized in that, comprising:
Smelting furnace, there is in described smelting furnace the first furnace chamber, described smelting furnace have charging opening for adding material in described first furnace chamber, for discharge lean tin slag the first slag notch, for discharge thick tin thick tin discharge outlet, for discharging the first smoke outlet of flue gas and being located at the spray gun jack of bottom of described smelting furnace; With
Bottom Blowing Ejection Gun, described Bottom Blowing Ejection Gun is inserted in described spray gun jack, for being blown into oxygen-containing gas and fuel in described first furnace chamber.
2. bottom blowing tin metallurgy device according to claim 1, it is characterized in that, described charging opening comprises the first charging opening for adding stanniferous material in described first furnace chamber, for adding the second charging opening of stanniferous flue dust and the 3rd charging opening for adding reductive agent in described first furnace chamber in described first furnace chamber.
3. bottom blowing tin metallurgy device according to claim 1, is characterized in that, described smelting furnace is rotating cylindrical horizontal reactor.
4. bottom blowing tin metallurgy device according to claim 3, it is characterized in that, described thick tin discharge outlet is located at the first end of described cylindrical horizontal reactor, the first end of the contiguous described cylindrical horizontal reactor of described first smoke outlet, described first slag notch is located at the second end of described cylindrical horizontal reactor.
5. the bottom blowing tin metallurgy device according to any one of claim 1-4, it is characterized in that, described Bottom Blowing Ejection Gun is located at below the horizontal center line of described smelting furnace.
6. the bottom blowing tin metallurgy device according to any one of claim 1-4, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+120 scopes spent-120.
7. bottom blowing tin metallurgy device according to claim 6, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+60 scopes spent-60.
8. bottom blowing tin metallurgy device according to claim 7, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+30 scopes spent-30.
9. bottom blowing tin metallurgy device according to claim 8, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to+20 scopes spent-20.
10. the bottom blowing tin metallurgy device according to any one of claim 1-4, is characterized in that, described Bottom Blowing Ejection Gun and be orthogonal to described bottom blowing tin metallurgy device axis direction between angle β spend in+30 scopes spent-30.
11. bottom blowing tin metallurgy devices according to claim 10, is characterized in that, described Bottom Blowing Ejection Gun and be orthogonal to described bottom blowing tin metallurgy device axis direction between angle β be 0 degree.
12. bottom blowing tin metallurgy devices according to claim 1, is characterized in that, comprise further:
Fuming furnace, there is in described fuming furnace the second furnace chamber, described fuming furnace have heat material mouth for adding liquid lean tin slag in described second furnace chamber, for add in described second furnace chamber vulcanizing agent cold burden mouth, for discharge flue gas the second smoke outlet, for discharging the second slag notch and the side-blown spray gun jack of waste; With
Side-blown spray gun, described side-blown spray gun is inserted in described side-blown spray gun jack, for being blown into oxygen-containing gas and fuel in described second furnace chamber.
CN201420391512.0U 2014-05-13 2014-07-15 Bottom blowing tin metallurgy device Active CN204039474U (en)

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CN104152716A (en) * 2014-05-13 2014-11-19 中国恩菲工程技术有限公司 Bottom blowing tin smelting device

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