CN103834817B - A kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace - Google Patents
A kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace Download PDFInfo
- Publication number
- CN103834817B CN103834817B CN201310566942.1A CN201310566942A CN103834817B CN 103834817 B CN103834817 B CN 103834817B CN 201310566942 A CN201310566942 A CN 201310566942A CN 103834817 B CN103834817 B CN 103834817B
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- Prior art keywords
- heater
- furnace
- district
- slag
- lead
- Prior art date
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- Expired - Fee Related
Links
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 28
- 239000001301 oxygen Substances 0.000 title claims abstract description 28
- 238000003723 Smelting Methods 0.000 claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 16
- 230000001603 reducing Effects 0.000 claims abstract description 15
- 238000006722 reduction reaction Methods 0.000 claims abstract description 13
- 230000005587 bubbling Effects 0.000 claims abstract description 5
- 239000000779 smoke Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 24
- 238000002844 melting Methods 0.000 claims description 14
- 230000001706 oxygenating Effects 0.000 claims description 12
- 241000005139 Lycium andersonii Species 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical group 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
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- 230000000694 effects Effects 0.000 abstract description 13
- 239000003795 chemical substances by application Substances 0.000 abstract description 10
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a kind of assembly type secondary lead oxygen enrichment three and blow energy saving smelting-furnace, body of heater 1 takes vertical setting, body of heater 1 entirety is divided into hypomere, stage casing, epimere three part, and wherein hypomere part is smelting zone 4, and hypomere part is divided into again quiescent centre 20, bubbling area 21 and reduction zone 22 from bottom to top; Stage casing part is UTILIZATION OF VESIDUAL HEAT IN district 5, and the Lower Half in UTILIZATION OF VESIDUAL HEAT IN district is secondary combustion zone 23, and UTILIZATION OF VESIDUAL HEAT IN district upper part is raw material preheating district 24; Upper portion is smoke evacuation and feeding area 6, and utilize vertical body of heater to be more convenient for making full use of using waste heat from tail gas and carry out raw material preheating, energy-saving effect significantly improves, and decreases reductive agent consumption simultaneously, reduces slag lead tolerance.Novel body of heater takes metal water grip assembly and segmental hoisting combination, and convenient for maintaining, reduces maintenance cost greatly.
Description
Technical field
The present invention relates to Metal smelting technical field, is more particularly that a kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace.
Background technology
Along with the aggravation of energy dilemma, lead acid cell is as the energy storage carrier of the novel energies such as sun power, wind energy, nuclear energy, and its development importance becomes clear day by day, and ore deposit lead resource faces exhaustion, and secondary lead recycle becomes inevitable.Secondary lead is as new industry, and smelting technology is in the exploratory stage, and its highly energy-consuming high pollution problem receives much concern, and national policy explicitly calls for secondary lead smelting to ban directly coal-fired various reverberatory furnaces, accelerates technological innovation, and propulsion energy-saving reduces discharging.There is no ripe secondary lead smelting technology in the world at present, the smelting technology of domestic each secondary lead smelting enterprise is improve on the plumbous smelting technology in ore deposit always, such as oxygen bottom blowing smelting bath smelting process---QSL stove and SKS(Shuikoushan) stove, oxygen top blown smelting bath smelting process---Kaldo stove, ISA stove does not all form maturation process, although these smelting technology energy-conserving and emission-cutting technologies have had obvious progress, but ton lead smelts energy consumption generally more than 250 kilograms, waste residue lead tolerance is higher than 6%, require that gap is larger with the plumbous energy consumption of ton lower than 130 kilograms and the leaded national standard being no more than 2% of waste residue.Energy-conservation and reduce to have had in waste residue lead tolerance and further improve, but still outstandingly there is several respects problems demand and improve in a kind of side-blown smelting furnace of up-to-date release in nearly 2 years: one is that furnace hearth melt disturbance mixing effect is not good; Two is that feed opening fixedly causes blanking uneven, and airtight molten bath cannot directly be stirred, and reduction is difficult to thoroughly complete, and improves reducing degree and is forced to excessive interpolation reductive agent, causes reductive agent to waste serious; Three is blast the oxygen in molten bath and the fuel gas mixture ratio science that is difficult to controls, the too high generation over oxidation of oxygen proportion, and affect melt reduction, increase also commercial weight, cause highly energy-consuming, oxygen proportion is on the low side, causes fuel gas buring to cause energy dissipation not to the utmost; Four is that body of heater heat-stable material corrosion damage is fast, and body of heater is disposable in addition builds up, and dismounting inconvenience, maintenance cost is high.
Summary of the invention
The present invention is for solving above-mentioned technological deficiency, a kind of assembly type secondary lead three is provided to blow energy saving smelting-furnace, it comprehensively absorbs the advantage of existing bottom convertor, side-blown converter, carry out three position oxygen enrichments and blow combustion smelting technology, by a Boiling Combustion, secondary oxygenating, combustion-supporting and high-altitude rotates even material loading, improve smelting furnace heat absorption efficiency, realize containing scrap lead rapid melting and reduction rapidly, utilize vertical body of heater to be more convenient for making full use of using waste heat from tail gas and carry out raw material preheating, energy-saving effect significantly improves, decrease reductive agent consumption simultaneously, reduce slag lead tolerance.Novel body of heater takes metal water grip assembly and segmental hoisting combination, and convenient for maintaining, reduces maintenance cost greatly.
The technical scheme that technical solution problem of the present invention is taked is:
A kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace, body of heater 1 takes vertical setting, body of heater 1 entirety is divided into hypomere, stage casing, epimere three part, and wherein hypomere part is smelting zone 4, and hypomere part is divided into again quiescent centre 20, bubbling area 21 and reduction zone 22 from bottom to top, stage casing part is UTILIZATION OF VESIDUAL HEAT IN district 5, and the Lower Half in UTILIZATION OF VESIDUAL HEAT IN district is secondary combustion zone 23, and UTILIZATION OF VESIDUAL HEAT IN district upper part is raw material preheating district 24, upper portion is smoke evacuation and feeding area 6, three parts of body of heater adopt lifting array mode to install, bottom is copper water jacket 17, centre is steel water jacket 18 inner lining refractory block wall 19, top is the steel top cover in band Water-cooling circulating chamber 28, three parts are each to be respectively fixed on furnace body support 2 with one or more groups deflation screw rod 34 independent suspension, bottom melting reaction pond, with sidewall, mixed gas is set respectively, the Bottom Blowing Ejection Gun 7 of oxygen and side-blown spray gun 8, secondary combustion zone periphery sidewall of the furnace body arranges oxygenating spray gun 9, the bottom in melting reaction pond is domatic bottom surface 25, low-lying side is that plumbous liquid assembles pond 26, the stage casing that corresponding plumbous liquid assembles pond sidewall arranges lead outlet 13, lead outlet is assembled pond 26 by plumbous liquid siphon pipe 12 and plumbous liquid and is communicated, safety is set bottom plumbous liquid gathering pond 26 and puts plumbous mouth 15, the effective stopping valve of lead discharging therebetween controls opening and closing, and at outer setting electric heating cover 16, it is slag partition wall 3 and slag siphonic water-collecting well 10 that plumbous liquid is assembled above pond 26, top, slag siphonic water-collecting well outer end arranges slag-drip opening 11, in platform side, domatic bottom surface the safe slag notch 14 with mesa base level is oppositely set with slag-drip opening.
Top is closed on top cover place and is arranged smoke-uptake 46, and top arranges rotating cap 27 and charging opening 31.
Beneficial effect of the present invention is as follows:
1, vertical setting taked by smelting furnace, increases body of heater height, ensures that raw material contacted with the smelting exhaust long period, continues heat absorption, make full use of using waste heat from tail gas to raw material preheating, improve Energy efficiency.
2, bottom blowing and side-blown two kinds of modes are taked combustion gas and high-concentration oxygen mixing can be blasted melting reaction pond, make combustion gas in the inner detonation of melt, glowing fire long period under melt encapsulating is stranded in melt inside, heat energy can be made to be absorbed in the melt more, improve utilization efficiency of heat energy, when glowing fire breaks through melt encapsulating in addition, melt boiling-like can be caused to roll, produce stirring effect.Because side-blown can only burning and stirring around melt inside, centre is usually difficult to reach, so increase bottom blowing to make up side-blown defect, makes the inner comprehensive stirring of melt.
3, above melting pond, sidewall of the furnace body arranges oxygenating spray gun, to prevent excessive oxygen oxidic raw materials and plumbous product, affect melt reduction effect, take to control bottom blowing side-blown amount of oxygen slightly on the low side relative to combustion gas, to maintain reducing environment, certainly will cause in tail gas like this and be rich in combustion gas, the high-temperature vapor generation water-gas reaction that can produce with combustion of natural gas when crashing into molten bath as the red-hot coke of reductive agent in addition, generates inflammable CO and H
2gas, for ensureing not allow CO and H of excessive combustion gas and generation
2gas discharges in vain with tail gas, and above melting pond, sidewall of the furnace body arranges oxygenating spray gun, sprays into oxygen to red-hot combustible gas, realizes secondary detonation, increases raw material preheating effect further, improves efficiency of energy utilization.Oxygenating spray gun is arranged can not be higher unsuitable on the low side again, and higher raw material preheating distance shortens, and reduce pre-heat effect, position is on the low side makes the oxygen spray supplemented to bath surface, and easily ignite red-hot charcoal, affects reduction effect, wastes energy and reductive agent.So extreme lower position is advisable with the red-hot charcoal of the bath surface that do not ignite.
4, take rotating cap and sprue asymmetrical design, raw material can be made evenly to drop into melting pond, avoid because of the raw ripe inequality of too concentrated formation that feeds intake, reduce thoroughly, waste reductive agent, produce high gray slag.Additionally by increasing body of heater, furnace charge falling bodies kinetic energy impact melt can be utilized, forming multiple spot and shaking effect, promoting the mixing of raw material, improving reduction effect, saving reductive agent, reducing slag lead tolerance.
5, body of heater adopts lifting array mode to install, and each several part tightens screw rod with one or more groups respectively and is independently fixed on support, is convenient to dismounting maintenance, reduces maintenance cost.
6, body of heater different sites adopts the furnace binding of the multiple carrying high temperature such as copper water jacket, steel water jacket respectively according to corrosion size, in increase body of heater intensity, extend converter life, minimizing frequency of maintenance, reduction maintenance cost simultaneously, reduce body of heater cost further.
7, winding-up high-concentration oxygen, can improve efficiency of combustion, reduce jet amount and exhaust emissions amount, controls tail gas and carries Dust Capacity and vent gas treatment amount secretly.
8, periphery, body of heater upper end arranges wear ring, utilizes negative pressure to adopt the soft curtain gluing, sealing of heat-resistant antifriction between top cover and wear ring, is convenient to furnace sealing and maintains subnormal ambient.
Compared with the prior art, unusual effect of the present invention is embodied in:
Bath oxygen enriched blast blows combustion, and extend flame in the melt inner residence time, improve heat absorption efficiency, tail gas oxygenating secondary combustion and body of heater vertically increase, and improve exhaust heat-energy utilising efficiency; Take the measure such as oxygen-enriched bottom-blowing, side-blown Boiling Combustion, rotary feeding, falling bodies rapping, raw material and reductive agent can be made to stir more even, reduction reaction is more thorough, not only saves reductive agent consumption, and reduces slag lead tolerance, greatly improves and plumbous rate; Adopt siphon technology, ensure that plumbous liquid and the timely automatic-discharging of slag; Lifting built-up type body of heater is taked to be convenient to detachable maintaining; Adopt steel copper water jacket technology that body of heater heat-proof corrosion resistant ability of losing is improved greatly, greatly can extend body of heater work-ing life, reduce frequency of maintenance, fallen low maintenance cost.
Accompanying drawing explanation
Fig. 1 is X-axis vertical cross section structural representation of the present invention.
Fig. 2 is that the plumbous liquid of the present invention assembles pond Y-axis vertical cross section structural representation.
Number in the figure: 1 body of heater, 2 furnace body supports, 3 slag partition walls, 4 smelting zones, 5 UTILIZATION OF VESIDUAL HEAT IN districts, 6 smoke evacuation and feeding areas, spray gun bottom 7, 8 sidewall spray guns, 9 oxygenating spray guns, 10 slag siphonic water-collecting wells, 11 slag-drip openings, 12 plumbous liquid siphon pipes, 13 lead outlet, 14 safe slag notch, 15 put safely plumbous mouth, 16 electric heating covers, 17 copper water jackets, 18 steel water jackets, 19 refractory brickworks, 20 leave standstill district, 21 bubbling areas, 22 reduction zones, 23 secondary combustion zones, 24 raw material preheating districts, 25 domatic faces, 26 plumbous liquid assemble pond, 27 rotating caps, 28 Water-cooling circulating chambeies, 29 water funnels, 30 steam liberation ports, 31 feed opening (31A, 31B), 32 viewports, 33 monitoring platforms, 34 expansion screws, 35 orbital platforms, 36 driving gear (36A, 36B), 37 orbit rings, 38 cross track wheels, 39 vertical rail wheels, 40 gear ring (40A, 40B), 41 wear rings, 42 soft curtains, 43 weighted spherical ball, 44 sleeve pipes, 45 gear motor (45A, 45B), 46 smoke-uptakes.
Embodiment
Below by way of embodiment, and the invention will be further described by reference to the accompanying drawings:
See Fig. 1 and Fig. 2, a kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace, and body of heater 1 takes vertical setting, and body of heater 1 entirety is divided into hypomere, stage casing, epimere three part, wherein hypomere part is smelting zone 4, and hypomere part is divided into again quiescent centre 20, bubbling area 21 and reduction zone 22 from bottom to top, stage casing part is UTILIZATION OF VESIDUAL HEAT IN district 5, and the Lower Half in UTILIZATION OF VESIDUAL HEAT IN district is secondary combustion zone 23, and UTILIZATION OF VESIDUAL HEAT IN district upper part is raw material preheating district 24, upper portion is smoke evacuation and feeding area 6, three parts of body of heater adopt lifting array mode to install, bottom is copper water jacket 17, centre is steel water jacket 18 inner lining refractory block wall 19, top is the steel top cover in band Water-cooling circulating chamber 28, three parts are each to be respectively fixed on furnace body support 2 with one or more groups deflation screw rod 34 independent suspension, bottom melting reaction pond, with sidewall, mixed gas is set respectively, the Bottom Blowing Ejection Gun 7 of oxygen and side-blown spray gun 8, secondary combustion zone periphery sidewall of the furnace body arranges oxygenating spray gun 9, the bottom in melting reaction pond is domatic bottom surface 25, low-lying side is that plumbous liquid assembles pond 26, the stage casing that corresponding plumbous liquid assembles pond sidewall arranges lead outlet 13, lead outlet is assembled pond 26 by plumbous liquid siphon pipe 12 and plumbous liquid and is communicated, safety is set bottom plumbous liquid gathering pond 26 and puts plumbous mouth 15, the effective stopping valve of lead discharging therebetween controls opening and closing, and at outer setting electric heating cover 16, it is slag partition wall 3 and slag siphonic water-collecting well 10 that plumbous liquid is assembled above pond 26, top, slag siphonic water-collecting well outer end arranges slag-drip opening 11, in platform side, domatic bottom surface the safe slag notch 14 with mesa base level is oppositely set with slag-drip opening.
Top is closed on top cover place and is arranged smoke-uptake 46, and top arranges rotating cap 27 and charging opening 31.
Rotating cap 27 and charging opening 31 concrete structure are: in next-door neighbour top cover position, sidewall of the furnace body top, round circular orbit platform 35 is set, orbital platform is arranged orbit ring 37, correspondingly, some cross tracks wheel 38 and vertical rail wheel 39 are set respectively at the periphery of rotating cap inner face.Orbital platform slides for vertical rail wheel 39, to ensure the smooth rotation of top cover, cross track wheel 38 slides around orbit ring 37 inner curve, control top cover not offset by designed path rotation, top cover takes superimposed double-deck axial fixing structure, lower floor's lid periphery arranges toothed gear ring 40A, the gear motor 45A of band driving gear 36A is correspondingly set on support, is realized the rotation of top cover by the driving of driving gear 36A to gear ring 40A.Upper strata lid periphery arranges toothed gear ring 40B, correspondingly gear motor 45B is set on support, superimposed Double layer rotating is overlapped or misplaces to control the opening and closing of feed opening 31 by differential gear 36B, feed opening 31A and feed opening 31B takes asymmetrical design, ensures uniform blanking by rotating.Periphery, body of heater upper end arranges wear ring 41, and at the soft curtain 42 of lower floor's top cover edge riveted heat-resistant antifriction, soft curtain 42 gluing, sealing ring 41 under the gravity of weighted spherical ball 43 realizes the sealing of top cover to body of heater.The underlying design of the superimposed bilayer of top cover has Water-cooling circulating chamber 28, and welds a sleeve pipe 44 in axle core position, the outer tube of sleeve pipe 44 connects water funnel 29, interior pipe upper end is steam liberation port 30.The upper strata of superimposed bilayer is connect by bearing and the sliding accessory of sleeve pipe 44.Smelting furnace also arranges viewport 32 and monitoring platform 33, by viewport 32 observable stove combustion running condition, can control smelting furnace blanking, melting reaction supervisor by monitoring platform 33.
Key points for operation:
1, smelting furnace igniting and operation.Before igniting, filler prepares, first bulk wooden stick is loaded furnace bottom and carry out pad, reinstall fillet and charcoal block, highly exceed the spout 1 meter to 2 meters of side-blown spray gun, the last compound evenly loading 1 meter of thick scrap lead raw material block granularity more than 5 centimetres and particle charcoal block granularity 3 centimetres, iron filings.After filler installs, first open smelting furnace negative pressure device, more slowly open Bottom Blowing Ejection Gun and electronically light a fire, after lighting from viewport observation confirmation, open side-blown spray gun successively, at timber combustion phases, strengthen oxygen proportion a little, with combustion-supporting timber and charcoal block.Along with the burning of timber, start feeding device gradually, slowly continuous material, ensure raw material submergence side-blown spray gun all the time, after wooden unit after-flame lead material starts fusing, reduce spray oxygen ratio gradually, open oxygenating spray gun, until when there is gaseous combustion in bed of material surface, stablize combustion gas and oxygen mix ratio, according to furnace hearth situation, spray gun tolerance can be strengthened in proportion, make molten bath produce boiling tumbling effect, the large-minded furnace hearth combustion gas situation of overflowing of neglecting of oxygenating spray gun is determined.Along with melting is carried out, the load melting quickening in molten bath, melt is brightened by dark red, and plumbous liquid builds up, and lead outlet can continue lead and deslagging mutually with slag-drip opening, smelts and reaches normal operation.Air feed is reinforced afterwards can proceed to parametric controller auto-controll operation by manual debugging.
2, the flame-out maintenance of smelting furnace.Close charging opening and oxygenating spray gun, under the prerequisite maintaining bottom blowing side-blown spray gun spray combustion function, open safe slag notch, first emptying slag, then close side-blown spray gun, start electric heating cover, open safety and put plumbous mouth, the plumbous liquid of emptying, then close Bottom Blowing Ejection Gun, complete flame-out program.Finally utilize negative pressure device to substitute gas in body of heater, ensure remedial operation safety.
Claims (2)
1. assembly type secondary lead oxygen enrichment three blows an energy saving smelting-furnace, and body of heater takes vertical setting, and body of heater entirety is divided into hypomere, stage casing, epimere three part, and wherein hypomere part is smelting zone, and hypomere part is divided into again quiescent centre, bubbling area and reduction zone from bottom to top, stage casing part is UTILIZATION OF VESIDUAL HEAT IN district, and the Lower Half in UTILIZATION OF VESIDUAL HEAT IN district is secondary combustion zone, and UTILIZATION OF VESIDUAL HEAT IN district upper part is raw material preheating district, upper portion is smoke evacuation and feeding area, three parts of body of heater adopt lifting array mode to install, bottom is copper water jacket, centre is steel water jacket inner lining refractory block wall, top is the steel top cover in band Water-cooling circulating chamber, three parts are each to be respectively fixed on furnace body support with one or more groups deflation screw rod independent suspension, bottom melting reaction pond, with sidewall, mixed gas is set respectively, the Bottom Blowing Ejection Gun of oxygen and side-blown spray gun, secondary combustion zone periphery sidewall of the furnace body arranges oxygenating spray gun, the bottom in melting reaction pond is domatic bottom surface, low-lying side is that plumbous liquid assembles pond, the stage casing that corresponding plumbous liquid assembles pond sidewall arranges lead outlet, lead outlet is assembled pond by plumbous liquid siphon pipe and plumbous liquid and is communicated, safety is set bottom plumbous liquid gathering pond and puts plumbous mouth, the effective stopping valve of lead discharging therebetween controls opening and closing, and at outer setting electric heating cover, it is slag partition wall and slag siphonic water-collecting well that plumbous liquid is assembled above pond, top, slag siphonic water-collecting well outer end arranges slag-drip opening, in platform side, domatic bottom surface the safe slag notch with mesa base level is oppositely set with slag-drip opening.
2. assembly type secondary lead oxygen enrichment three according to claim 1 blows energy saving smelting-furnace, it is characterized in that, top is closed on top cover place and arranged smoke-uptake, and top arranges rotating cap and charging opening.
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| CN201310566942.1A CN103834817B (en) | 2013-11-14 | 2013-11-14 | A kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace |
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| CN201310566942.1A CN103834817B (en) | 2013-11-14 | 2013-11-14 | A kind of assembly type secondary lead oxygen enrichment three blows energy saving smelting-furnace |
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| CN105423752A (en) * | 2015-12-30 | 2016-03-23 | 黄艳玲 | Vertical double-side-blowing smelting furnace |
| CN113005256A (en) * | 2021-02-23 | 2021-06-22 | 浙江友谊新材料有限公司 | Top-blown and bottom-blown dual-purpose smelting device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514399A (en) * | 2009-04-03 | 2009-08-26 | 郴州市宇腾化工有限公司 | Balancing lead smelting process for comprehensive resource utilization and device thereof |
| CN102031393A (en) * | 2010-11-28 | 2011-04-27 | 郴州市金贵银业股份有限公司 | Continuous lead smelting clean production process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514399A (en) * | 2009-04-03 | 2009-08-26 | 郴州市宇腾化工有限公司 | Balancing lead smelting process for comprehensive resource utilization and device thereof |
| CN102031393A (en) * | 2010-11-28 | 2011-04-27 | 郴州市金贵银业股份有限公司 | Continuous lead smelting clean production process |
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