CN103993183A - Rich-oxygen top-blown smelting/liquid high-lead slag side-blown direct-reduction lead smelting equipment - Google Patents
Rich-oxygen top-blown smelting/liquid high-lead slag side-blown direct-reduction lead smelting equipment Download PDFInfo
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- CN103993183A CN103993183A CN201410200209.2A CN201410200209A CN103993183A CN 103993183 A CN103993183 A CN 103993183A CN 201410200209 A CN201410200209 A CN 201410200209A CN 103993183 A CN103993183 A CN 103993183A
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Abstract
The invention discloses lead smelting equipment. The lead smelting equipment comprises a rich-oxygen top-blown smelting furnace and a liquid high-lead slag side-blown reduction furnace. The rich-oxygen top-blown smelting furnace comprises a top-blown furnace body ad a top-blown gun blowing oxygen-containing air from the top of the top-blown furnace body to the inside of the top-blown furnace body. The top-blown furnace body is provided with a top-blown furnace feeding opening, a top-blown furnace flue outlet, a melt high-lead slag outlet and a primary crude lead outlet. The liquid high-lead slag side-blown reduction furnace comprises a side-blown furnace body ad a side-blown gun blowing fuel and oxygen-containing air from a side of the side-blown furnace body to the inside of the top-blown furnace body. The side-blown furnace body is provided with a side-blown furnace feeding opening, a side-blown furnace flue outlet, a melt high-lead slag inlet connected to the melt high-lead slag outlet, a secondary crude lead outlet and a side-blown furnace slag outlet. According to the lead smelting equipment, oxygen top blowing is adopted for smelting and side blowing is adopted to perform liquid high-lead slag side-blown reduction, so that the energy consumption and the cost are low, the environment protection property is good and the metal recovery rate is high.
Description
Technical field
The present invention relates to technical field of non-ferrous metallurgy, relate to particularly the plumbous equipment of a kind of refining, more specifically, relate to a kind of oxygen-enriched top blowing melting-liquid high lead dross side-blown direct-reduction and refine plumbous equipment.
Background technology
China is the plumbous production and consumption of the first in the world big country, and within 2012, plumbous output reaches 464.6 ten thousand tons, and consumption is 4,510,000 tons, China Ye Shi lead ore resource-starved country, plumbous leaded only 283.8 ten thousand tons of ore deposit in 2012, far can not meet the need of production of lead smelting in China, and most of leady raw materials needs import.Traditional refining splicer skill is sintering-retailoring of blast furnace, but exists energy consumption high, with serious pollution shortcoming.Oxygen bottom blowing oxidation-blast furnace reduction process (SKS lead smelting process) has also been proposed in correlation technique, and base husband Saite method etc.High lead slag-blast furnace process in correlation technique, need high lead slag after melting cooling, utilize casting slag machine casting slag, utilize blast furnace reduction, thereby energy consumption is high, metal direct recovery rate is low, blast furnace environment is poor, and blast furnace production and application coke, has the shortcoming that cost is high.
Summary of the invention
The present invention is intended to solve the problem in correlation technique.
For this reason, one object of the present invention is to propose the plumbous equipment of a kind of refining, and the plumbous equipment of this refining carries out melting by oxygen top blown, carry out liquid high lead dross reduction, thereby energy consumption and cost is low by side-blown, good environmental protection, and metal recovery rate is high.
According to the plumbous equipment of the refining of the embodiment of the present invention, comprise: oxygen-enriched top blowing smelting furnace, described oxygen-enriched top blowing smelting furnace has top blast furnace body and in described body of heater, sprays into the top-blown spray gun containing oxygen air from described top blast furnace body top, and described top blast furnace body has top blast stove charging opening, top blast stove smoke outlet, the outlet of melting high lead slag and a lead bullion outlet; With liquid high lead dross side-blown reduction stove, described liquid high lead dross side-blown reduction stove and accessory have side-blown converter body of heater and from described side-blown converter body of heater side to described side-blown converter body of heater in spray into fuel and containing the side-blown spray gun of oxygen air, described side-blown converter body of heater has side-blown converter charging opening, side-blown converter smoke outlet, exports with described melting high lead slag the melting high lead slag entrance, the outlet of secondary lead bullion and the side-blown converter slag notch that are connected.
According to the plumbous equipment of the refining of the embodiment of the present invention, utilize oxygen-enriched top blowing smelting furnace to lead-containing material, such as lead ore concentrate etc. carries out top blow smelting, the melting high lead slag obtaining is sent in liquid high lead dross side-blown reduction stove and is carried out side-blown reduction with molten state, without by first cooling casting slag of high lead slag (or being called rich lead skim), after the smelting reduction that heats up again, therefore heat-energy losses is little, Energy Intensity Reduction; In addition,, because the melting high lead slag to hot directly carries out retailoring, therefore comprehensive energy consumption further declines.Therefore,, according to the plumbous device energy conservation environmental protection of the refining of the embodiment of the present invention, Energy Intensity Reduction, metal recovery rate is high.
In some embodiments of the invention, refine plumbous equipment and also comprise fuming furnace, described fuming furnace has fuming furnace body of heater, and described fuming furnace body of heater has warm sludge mouth, exhanst gas outlet and slag notch, and described warm sludge mouth is connected with described side-blown converter slag notch.
In further embodiment of the present invention, refine plumbous equipment and also comprise electrothermal front bed, described electrothermal front bed has external crucible body of heater and is inserted into the electrode in described external crucible body of heater, and described external crucible body of heater has the reduced blast furnace entrance being connected with described side-blown converter slag notch and the external crucible slag notch being connected with described warm sludge mouth.
Preferably, described melting high lead slag outlet is connected by the first chute with described melting high lead slag entrance, and described side-blown converter slag notch is connected by the second chute with described reduced blast furnace entrance, and described external crucible slag notch is connected by the 3rd chute with described warm sludge mouth.
In some embodiments of the invention, refine plumbous equipment and also comprise the first waste heat boiler, first surface water cooler and the first bagroom, the inlet mouth of described the first waste heat boiler is connected with described exhanst gas outlet, the entrance of described first surface water cooler is connected with the air outlet of described the first waste heat boiler, and described the first bagroom is connected with the outlet of described first surface water cooler.
In some embodiments of the invention, refine plumbous equipment and also comprise the second waste heat boiler, second surface water cooler and the second bagroom, the inlet mouth of described the second waste heat boiler is connected with described side-blown converter smoke outlet, the entrance of described second surface water cooler is connected with the air outlet of described the second waste heat boiler, and described the second bagroom is connected with the outlet of described second surface water cooler.
In some embodiments of the invention, refine plumbous equipment and also comprise the 3rd waste heat boiler and electric precipitator, the inlet mouth of described the 3rd waste heat boiler is connected with described top blast stove smoke outlet, described the 3rd air outlet of waste heat boiler and the entrance of described electric precipitator are connected, and the outlet of described electric precipitator is connected with acid making system.
Brief description of the drawings
Fig. 1 is according to the schematic diagram of the plumbous equipment of the refining of the embodiment of the present invention.
Fig. 2 is according to the schematic flow sheet of the refining splicer skill of the embodiment of the present invention.
Reference numeral:
Oxygen-enriched top blowing smelting furnace 1, top blast furnace body 11, top-blown spray gun 12, top blast stove charging opening 110, top blast stove smoke outlet 111,112, lead bullion outlets 113 of melting high lead slag outlet,
Liquid high lead dross side-blown reduction stove 2, side-blown converter body of heater 21, side-blown spray gun 22, side-blown converter charging opening 210, side-blown converter smoke outlet 211, melting high lead slag entrance 212, secondary lead bullion outlet 213, side-blown converter slag notch 214,
Electrothermal front bed 3, external crucible body of heater 31, electrode 32, reduced blast furnace entrance 310, external crucible slag notch 311,
Fuming furnace 4, fuming furnace body of heater 41, warm sludge mouth 410, exhanst gas outlet 411, fine coal air entrance 42, cold burden leached mud opening for feed 412, slag notch 413, the first chute 5, the second chute 6, the three chutes 7
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.
Describe according to the plumbous equipment of the refining of the embodiment of the present invention below with reference to accompanying drawing, also can be called oxygen-enriched top blowing melting-liquid high lead dross side-blown direct-reduction according to the plumbous equipment of the refining of the embodiment of the present invention and refine plumbous equipment
Mainly comprise oxygen-enriched top blowing smelting furnace and liquid high lead dross side-blown reduction stove according to the plumbous equipment of the refining of the embodiment of the present invention.
Oxygen-enriched top blowing smelting furnace 1 there is top blast furnace body 11 and from top blast furnace body 11 tops to body of heater in spray into the top-blown spray gun 12 containing oxygen air, top blast furnace body 11 has top blast stove charging opening 110, top blast stove smoke outlet 111, melting high lead slag outlet 112 and a lead bullion outlet 113.
Liquid high lead dross side-blown reduction stove 2 there is side-blown converter body of heater 21 and from side-blown converter body of heater 21 sides to side-blown converter body of heater 21 in spray into fuel and containing the side-blown spray gun 22 of oxygen air, side-blown converter body of heater 21 has side-blown converter charging opening 210, side-blown converter smoke outlet 211, exports the 112 melting high lead slag entrances 212 that are connected, the outlet 213 of secondary lead bullion and side-blown converter slag notch 214 with melting high lead slag.
According to the plumbous equipment of the refining of the embodiment of the present invention, utilize oxygen-enriched top blowing smelting furnace 1 to lead-containing material, such as lead ore concentrate etc. carries out top blow smelting, the melting high lead slag obtaining is sent in liquid high lead dross side-blown reduction stove 2 and is carried out side-blown reduction with molten state, without by first cooling casting slag of high lead slag (or being called rich lead skim), after the smelting reduction that heats up again, therefore heat-energy losses is little, Energy Intensity Reduction; In addition,, because the melting high lead slag to hot directly carries out retailoring, therefore comprehensive energy consumption further declines.Therefore,, according to the plumbous device energy conservation environmental protection of the refining of the embodiment of the present invention, Energy Intensity Reduction, metal recovery rate is high.
Describe according to the plumbous equipment of the refining of the specific embodiment of the invention below with reference to Fig. 1.
As shown in Figure 1, also comprise oxygen-enriched top blowing smelting furnace 1, liquid high lead dross side-blown reduction stove 2, electrothermal front bed 3 and fuming furnace 4 according to the plumbous equipment of the refining of the specific embodiment of the invention.Oxygen-enriched top blowing smelting furnace 1 and liquid high lead dross side-blown reduction stove 2 and for refining electrothermal front bed 3 and the fuming furnace 4 of plumbous warm sludge processing, formed the follow-up harmless treatment of a set of lead smelting slag and the comprehensive complete process reclaiming.
Oxygen-enriched top blowing smelting furnace 1 there is top blast furnace body 11 and from top blast furnace body 11 tops to body of heater in spray into the top-blown spray gun containing oxygen air, top blast furnace body 11 has top blast stove charging opening 110, top blast stove smoke outlet 111, melting high lead slag outlet 112 and a lead bullion outlet 113.
Liquid high lead dross side-blown reduction stove 2 there is side-blown converter body of heater 21 and from side-blown converter body of heater 21 sides to side-blown converter body of heater 21 in spray into fuel and containing the side-blown spray gun 22 of oxygen air, side-blown converter body of heater 21 has side-blown converter charging opening 210, side-blown converter smoke outlet 211, melting high lead slag entrance 212, the outlet 213 of secondary lead bullion and side-blown converter slag notch 214.
Electrothermal front bed 3 has external crucible body of heater 31 and is inserted into the electrode 32 in external crucible body of heater 31, and external crucible body of heater 31 has reduced blast furnace entrance 310 and external crucible slag notch 311.The outlet 112 of melting high lead slag is connected with melting high lead slag entrance 212 by the first chute 5, and side-blown converter slag notch 214 is connected by the second chute 6 with reduced blast furnace entrance 310, and external crucible slag notch 311 is connected by the 3rd chute 7 with warm sludge mouth 410.Fuming furnace 4 has fuming furnace body of heater 41, and fuming furnace body of heater 41 has fine coal air entrance 42, warm sludge mouth 410, cold burden leached mud opening for feed 412, exhanst gas outlet 411 and slag notch 413.
The plumbous equipment of the refining of this embodiment according to the present invention, the melting high lead slag of discharging from the melting high lead slag outlet 112 of oxygen-enriched top blowing smelting furnace 1 is sent in liquid high lead dross side-blown reduction stove 2 and is carried out side-blown reduction melting by the first chute 5, the reduced blast furnace obtaining is entered and in electrothermal front bed 3, is carried out temperature raising and clarification by the second chute 6, further separation of lead or matte, and coordinate the activity duration that reduction furnace 2 and fuming furnace 4 are produced simultaneously.Reduced blast furnace after temperature raising and clarification successively enters fuming furnace 4 with zinc factory leached mud, carries out retailoring, volatilization, further reclaims lead, the silver of zinc, dissipated metal and remnants in slag and realizes the harmless treatment of slag with flue dust form.
In some embodiments of the invention, the plumbous equipment of described refining also comprises waste heat boiler, surface cooler, bagroom and electric precipitator.Wherein, waste heat boiler comprises the first waste heat boiler, the second waste heat boiler and the 3rd waste heat boiler, and surface cooler comprises first surface water cooler and second surface water cooler, and bagroom comprises the first bagroom and the second bagroom.
The inlet mouth of described the first waste heat boiler is connected with described exhanst gas outlet 411, and the entrance of described first surface water cooler is connected with the air outlet of described the first waste heat boiler, and described the first bagroom is connected with the outlet of described first surface water cooler.
The inlet mouth of described the second waste heat boiler is connected with described side-blown converter smoke outlet 211, and the entrance of described second surface water cooler is connected with the air outlet of described the second waste heat boiler, and described the second bagroom is connected with the outlet of described second surface water cooler.
The inlet mouth of described the 3rd waste heat boiler is connected with described top blast stove smoke outlet 111, and described the 3rd air outlet of waste heat boiler and the entrance of described electric precipitator are connected, and the outlet of described electric precipitator is connected with acid making system.
Thus, according to the plumbous equipment of the refining of the embodiment of the present invention, the high sulfur dioxide flue gas of sulfur dioxide concentration of discharging from the top blast stove smoke outlet 111 of oxygen-enriched top blowing smelting furnace 1 passes through waste heat waste heat boiler, electric precipitator recovered flue gas, dedusting Hou Song acid plant produces sulfuric acid, and the dust that dedusting obtains returns to oxygen-enriched top blowing smelting furnace 1.
The SO 2 from fume concentration of discharging from the side-blown converter smoke outlet 211 of liquid high lead dross side-blown reduction stove 2 is lower, waste heat in waste heat boiler, surface cooler and bagroom recovered flue gas, and the dust obtaining that gathers dust returns to liquid high lead dross side-blown reduction stove 2.The waste heat of the flue gas of discharging from the exhanst gas outlet 411 of fuming furnace 4 through waste heat boiler, surface cooler and sack cleaner recovered flue gas, after dedusting, flue gas and reduction furnace flue gas are merged into desulphurization system.The zinc oxide fumes Song Xin factory obtaining of gathering dust further processes output zinc and dissipated metal product.Plumbous silver-colored slag is circulated to plumbous factory and produces plumbous, silver products, has realized complete recycling economy
Refining splicer skill according to the embodiment of the present invention is described below, can be called oxygen-enriched top blowing melting-liquid high lead dross side-blown direct-reduction refining splicer skill according to the refining splicer skill of the embodiment of the present invention.
Comprise the following steps according to the refining splicer skill of the embodiment of the present invention:
Lead-containing material is joined in oxygen-enriched top blowing smelting furnace and carries out top-blown oxidation melting, to obtain lead bullion, melting high lead slag and sulfur dioxide flue gas one time.
The melting high lead slag of discharging from oxygen-enriched top blowing smelting furnace is supplied in liquid high lead dross side-blown reduction stove, carries out side-blown reduction melting, to obtain secondary lead bullion, reduction furnace slag and reduction furnace flue gas.
In described oxygen-enriched top blowing smelting furnace, discharge a lead bullion and discharge secondary lead bullion in described liquid high lead dross side-blown reduction stove.
According to the refining splicer skill of the embodiment of the present invention, utilize oxygen-enriched top blowing smelting furnace to lead-containing material, such as lead ore concentrate etc. carries out top blow smelting, the melting high lead slag obtaining is sent in liquid high lead dross side-blown reduction stove and is carried out side-blown reduction with molten state, without by first cooling casting slag of high lead slag (or being called rich lead skim), after the smelting reduction that heats up again, therefore heat-energy losses is little, Energy Intensity Reduction; In addition,, because the melting high lead slag to hot directly carries out retailoring, therefore comprehensive energy consumption further declines.Therefore,, according to the energy-conserving and environment-protective of refining splicer skill, the Energy Intensity Reduction of the embodiment of the present invention, metal recovery rate is high.
The refining splicer skill of a specific embodiment according to the present invention is described below with reference to Fig. 2.
As shown in Figure 2, comprise the following steps according to the refining splicer skill of the specific embodiment of the invention:
Lead-containing material is joined in oxygen-enriched top blowing smelting furnace and carries out top-blown oxidation melting, to obtain lead bullion, melting high lead slag and sulfur dioxide flue gas one time.
The melting high lead slag of discharging from oxygen-enriched top blowing smelting furnace is supplied in liquid high lead dross side-blown reduction stove, carries out side-blown reduction melting, to obtain secondary lead bullion, reduction furnace slag and reduction furnace flue gas.
In described oxygen-enriched top blowing smelting furnace, discharge a lead bullion and discharge secondary lead bullion in described liquid high lead dross side-blown reduction stove.
Described reduction furnace slag is supplied to and in electrothermal front bed, carries out temperature raising and clarification, remaining lead and matte in slag, and adjust the working cycle of reduction furnace and fuming furnace.
Reduction furnace slag after temperature raising and clarification is successively entered in fuming furnace from discharging in described electrothermal front bed with spelter works leached mud, in described fuming furnace, spray into fine coal and air, slag is realized to retailoring and blowing and reclaim in slag valuable metal and slag is realized innoxious.
Collect the zinc oxide fumes the flue gas of discharging in described fuming furnace.
Reclaim from the waste heat of the flue gas of described liquid high lead dross side-blown reduction stove and the discharge of described fuming furnace
To go out from described liquid high lead dross side-blown reduction fire grate and recovery waste heat flue gas carry out dedusting
The flue gas of having collected after zinc oxide fumes and dedusting is carried out to desulfurization
Reclaim the waste heat of described top blow smelting stove sulfur dioxide flue gas, sulfur dioxide flue gas is carried out dedusting, utilizes the sulphur dioxide flue gas acid preparing after dedusting.
The refining splicer skill of this specific embodiment according to the present invention, the comprehensively recovering valuable metal of lead refinery and zinc factory slag has also been realized the harmless treatment of slag, further improved metal recovery rate, has brought into play lead-zinc smelting associated enterprises slag for comprehensive and utilize the advantage of recycling economy; Plumbous smelting adopts the melting of top blast oxygen-rich air, the rich lead skim side-blown of molten state Direct Reductive Melting, the warm sludge after reduction same spelter works's leached mud (cold burden), innovative technology and the equipment processed, reduce energy consumption and improved metal recovery rate, improved significantly environment.Realize flue gas during smelting and slag and processed furnace flue gas exhaust heat remanufacture steam for generating.The high density oxidation sulphur flue gas that top blast oxygen-enriched air smelting obtains carries out relieving haperacidity through waste heat recovery, dedusting, has improved economic benefit.
Reduction furnace and fuming furnace flue gas carry out desulfurization after waste heat recovery is gathered dust, rear discharge up to standard.Desulfurization product, through acidolysis, parses high density sulfurous gas and top blow smelting kiln gas and merges relieving haperacidity.Further improve environmental-protecting performance.The flue dust Returning smelting stove of top blast oxygen-enriched air smelting stove, side-blown reduction stove melting flue dust returns to side-blown converter retailoring, and the zinc oxide fumes Song Xin factory that fuming furnace is rich in valuable metal produces zinc and dissipated metal.The lead silver slag of zinc factory output returns to top blast oxygen-enriched air smelting stove and reclaims plumbous silver.
The refining splicer skill of a concrete example according to the present invention is described below with reference to Fig. 2.
Fig. 2 shows oxygen-enriched top blowing melting-molten state high lead slag side-blown reduction refining splicer skill of a concrete example according to the present invention, wherein will send into by chute in liquid high lead dross side-blown reduction stove through the molten state high lead slag of oxygen-enriched top blowing smelting furnace top-blown oxidation melting, fuel adopts producer gas and Sweet natural gas, and in liquid high lead dross side-blown reduction stove, direct-reduction becomes secondary lead bullion.
Describe the concrete technology step of the refining splicer skill of the concrete example according to the present invention below in detail.
1, oxygen-enriched top blowing melting
Lead ore concentrate, plumbous silver-colored slag, oxidized ore, quartz; the returning charge of iron calcining and oxygen-enriched top blowing smelting furnace cigarette ash; after constant feeder batching, send disk pelletizing machine to granulate; pellet is sent in oxygen-enriched top blowing smelting furnace by reinforced rubber conveyer; in oxygen-enriched top blowing smelting furnace, spray into oxygen-rich air by top-blown spray gun; the for example oxygen-rich air of oxygen concentration 60%-99%, to carry out oxidizing semlting, lead bullion of output, melting high lead slag and containing sulfur dioxide flue gas.
2, liquid high lead dross side-blown reduction
The high lead slag of molten state flows directly in liquid high lead dross side-blown reduction stove by the first chute, by side-blown spray gun to oxygen blast gas, air and coal gas (or Sweet natural gas) inside liquid high lead dross side-blown reduction stove and add broken coal, Wingdale, carry out side-blown reduction melting, be understandable that, in reduction process, can add quartz sand or lime to adjust slag type, can arrange in pairs or groups and process oxidation lead and zinc middlings, output secondary lead bullion, reduced blast furnace and low concentration sulphur dioxide flue gas simultaneously.
3, the zinc oxide fumes of enrichment valuable element is reclaimed in blast furnace fuming
Reduced blast furnace flows into electrothermal front bed temperature raising and clarification by the second chute, the lead of clarification or matte are by plumbous mouthful of discharge ingot casting of bottom, send in the lump refining with the lead bullion of smelting furnace output, reduced blast furnace after clarification flows into fuming furnace through the 3rd chute, and fuming furnace cold burden mouth adds the conventional leached mud of zinc factory.By pulverized coal injection, primary air nozzle and secondary air in fuming furnace, slag is carried out to retailoring and blowing, obtain fuming slag and low concentration sulphur dioxide flue gas, low concentration sulphur dioxide flue gas is through waste heat boiler recovery waste heat, through surface cooler cooling, utilize bagroom to collect and obtain zinc oxide fumes.Zinc oxide fumes send after multiple hearth furnace defluorinate chlorine, enters zinc oxide leaching system.The broken rear take-away of fuming furnace pulp water.Fuming furnace low concentration sulphur dioxide flue gas send desulfurization processing.
4, the low concentration sulphur dioxide flue gas that liquid high lead dross side-blown reduction stove produces, through waste heat boiler recovery waste heat, through surface cooler cooling, utilizes bagroom dedusting, and the flue dust obtaining returns to liquid high lead dross side-blown reduction stove.Flue gas after dedusting send the processing of zinc oxide smoke absorption system, desulfurization rear discharge up to standard.
5, the high density sulfur dioxide flue gas that oxygen-enriched top blowing smelting furnace produces, after waste heat boiler, dust precipitator, send vitriol works's relieving haperacidity.The lead fume dirt that waste heat boiler and dust precipitator are collected returns to oxygen-enriched top blowing smelting furnace batching; The low concentration sulphur dioxide flue gas process two-stage desulfurization that liquid high lead dross side-blown reduction stove and fuming furnace produce: leading portion adopts zinc oxide desulfurization technique, utilize the oxide powder and zinc of smelting output to make absorption agent, the zinc sulfite of output is through peracid decomposition, output solution of zinc sulfate enters zinc wet method system and carries zinc, parses high density sulfurous gas and send sulfate system relieving haperacidity; Back segment adopts ammonia desulfurizing process, obtains byproduct chemical fertilizer ammonium sulfate.
The control process of oxygen-enriched top blowing smelting furnace, liquid high lead dross side-blown reduction stove and fuming furnace adopts DCS Controlling System, realizes batching, granulation, oxygen supply, air feed, melting, waste heat recovery, electricity and gathers dust and the full-range centralized Control of high temperature draught fan.DCS Controlling System mainly contains the compositions such as field control station, data communication system, human-machine interface unit, rack, power supply, and this is all known for those skilled in the art, is no longer repeated in this description here.
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.
Claims (7)
1. the plumbous equipment of refining, is characterized in that, comprising:
Oxygen-enriched top blowing smelting furnace, described oxygen-enriched top blowing smelting furnace has top blast furnace body and in described body of heater, sprays into the top-blown spray gun containing oxygen air from described top blast furnace body top, and described top blast furnace body has top blast stove charging opening, top blast stove smoke outlet, the outlet of melting high lead slag and a lead bullion outlet; With
Liquid high lead dross side-blown reduction stove, described liquid high lead dross side-blown reduction stove and accessory have side-blown converter body of heater and from described side-blown converter body of heater side to described side-blown converter body of heater in spray into fuel and containing the side-blown spray gun of oxygen air, described side-blown converter body of heater has side-blown converter charging opening, side-blown converter smoke outlet, exports with described melting high lead slag the melting high lead slag entrance, the outlet of secondary lead bullion and the side-blown converter slag notch that are connected.
2. the plumbous equipment of refining according to claim 1, is characterized in that, also comprises fuming furnace, and described fuming furnace has fuming furnace body of heater, and described fuming furnace body of heater has warm sludge mouth, exhanst gas outlet and slag notch, and described warm sludge mouth is connected with described side-blown converter slag notch.
3. the plumbous equipment of refining according to claim 2, it is characterized in that, also comprise electrothermal front bed, described electrothermal front bed has external crucible body of heater and is inserted into the electrode in described external crucible body of heater, and described external crucible body of heater has the reduced blast furnace entrance being connected with described side-blown converter slag notch and the external crucible slag notch being connected with described warm sludge mouth.
4. the plumbous equipment of refining according to claim 3, it is characterized in that, described melting high lead slag outlet is connected by the first chute with described melting high lead slag entrance, described side-blown converter slag notch is connected by the second chute with described reduced blast furnace entrance, and described external crucible slag notch is connected by the 3rd chute with described warm sludge mouth.
5. according to the plumbous equipment of the refining described in any one in claim 2-3, it is characterized in that, also comprise the first waste heat boiler, first surface water cooler and the first bagroom, the inlet mouth of described the first waste heat boiler is connected with described exhanst gas outlet, the entrance of described first surface water cooler is connected with the air outlet of described the first waste heat boiler, and described the first bagroom is connected with the outlet of described first surface water cooler.
6. according to the plumbous equipment of the refining described in any one in claim 1-5, it is characterized in that, also comprise the second waste heat boiler, second surface water cooler and the second bagroom, the inlet mouth of described the second waste heat boiler is connected with described side-blown converter smoke outlet, the entrance of described second surface water cooler is connected with the air outlet of described the second waste heat boiler, and described the second bagroom is connected with the outlet of described second surface water cooler.
7. according to the plumbous equipment of the refining described in any one in claim 1-6, it is characterized in that, also comprise the 3rd waste heat boiler and electric precipitator, the inlet mouth of described the 3rd waste heat boiler is connected with described top blast stove smoke outlet, described the 3rd air outlet of waste heat boiler and the entrance of described electric precipitator are connected, and the outlet of described electric precipitator is connected with acid making system.
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| CN108461849A (en) * | 2017-02-20 | 2018-08-28 | 中国瑞林工程技术有限公司 | The processing system of lead-acid battery and its application |
| CN109371256A (en) * | 2018-11-29 | 2019-02-22 | 大余明发矿业有限公司 | A kind of lead reclaimer and its lead recovery process |
| CN109518000A (en) * | 2019-01-22 | 2019-03-26 | 江苏新春兴再生资源有限责任公司 | A kind of energy conservation and environmental protection reviver multicell metal smelting-furnace and processing method |
| CN111996389A (en) * | 2020-08-28 | 2020-11-27 | 刘会正 | Side-blown reduction furnace |
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| CN113502400A (en) * | 2021-07-12 | 2021-10-15 | 上海环境工程设计研究院有限公司 | Oxygen-enriched top-blown molten pool smelting furnace system and control method thereof |
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