CN102560119A - Treating equipment and process of waste lead-acid accumulator - Google Patents

Treating equipment and process of waste lead-acid accumulator Download PDF

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Publication number
CN102560119A
CN102560119A CN2012100192943A CN201210019294A CN102560119A CN 102560119 A CN102560119 A CN 102560119A CN 2012100192943 A CN2012100192943 A CN 2012100192943A CN 201210019294 A CN201210019294 A CN 201210019294A CN 102560119 A CN102560119 A CN 102560119A
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CN
China
Prior art keywords
lead
reduction zone
acid accumulator
melting area
furnace chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012100192943A
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Chinese (zh)
Inventor
伍绍辉
李富元
王忠实
王进
李东波
周锋
朱让贤
胡丕成
姚霞
林屹
冯双杰
陈学刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINYANG METALLURGICAL CO Ltd HUBEI PROV
China ENFI Engineering Corp
Original Assignee
JINYANG METALLURGICAL CO Ltd HUBEI PROV
China ENFI Engineering Corp
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Application filed by JINYANG METALLURGICAL CO Ltd HUBEI PROV, China ENFI Engineering Corp filed Critical JINYANG METALLURGICAL CO Ltd HUBEI PROV
Priority to CN2012100192943A priority Critical patent/CN102560119A/en
Publication of CN102560119A publication Critical patent/CN102560119A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

Abstract

The invention discloses treating equipment and process of a waste lead-acid accumulator. The treating equipment of the waste lead-acid accumulator comprises a crushing and sorting device, a pressure filtration device, a reacting furnace, a melting zone spray gun and a reducing zone spray gun, wherein the reacting furnace is provided with a furnace chamber the lower part of which forms a melting bath, the furnace chamber is divided into a melting zone and a reducing zone, a passage for communicating the melting zone and the reducing zone is arranged at the bottom of a partition, the furnace chamber is provided with a flue gas outlet and a melting zone feeding port, and the top wall of the reducing zone is provided with a reducing zone feeding port, a slag discharge port, a siphon hard lead discharge port, a siphon soft lead discharge port, a melting zone spray gun port and a reducing zone spray gun port. According to the treating equipment and process of the waste lead-acid accumulator, the energy consumption is low, environmental protection is realized, the thermal efficiency is high, the direct yield of lead is high, the equipment structure is simple, the process is continuous, the process control is simple and easy to realize, and the cost is low.

Description

Lead-acid accumulator treatment facility and technology
Technical field
The present invention relates to a kind of lead-acid accumulator treatment facility and technology.
Background technology
Lead-acid accumulator is dealt with improperly and can be polluted environment owing to contain lead and acid.It is at first to carry out cracking and sorting that the tradition waste lead accumulator is handled, and the lead-containing material that sub-elects adopts pyrogenic process to handle, and metallurgical equipments such as domestic reverberatory furnace commonly used, rotary furnace are interrupted melting.
Above-mentioned traditional metallurgical equipment is handled waste lead accumulator, all is that branch heat ground is interrupted and carries out, poor continuity, and mechanization degree is low, the energy consumption height, working condition is poor, and industrial scale is limited, can't satisfy present industrial scale and environmental requirement.In addition, traditional lead-acid accumulator treatment facility can only obtain antimonial lead.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.For this reason, one object of the present invention is to propose that a kind of energy consumption is low, environmental protection, direct yield that thermo-efficiency is high, plumbous is high, simple in structure, process is continuous, the continous way lead-acid accumulator treatment facility that process control simply is easy to realize and cost is low.
Another object of the present invention is to propose a kind of lead-acid accumulator treatment process of continous way.
Lead-acid accumulator treatment facility according to the embodiment of the invention comprises: crushing-separating apparatus, said crushing-separating apparatus are used for broken lead-acid accumulator and elect the lead-acid accumulator branch after the fragmentation as plumbous bits, lead plaster and non-lead-containing material; Filter-pressing device, said filter-pressing device links to each other with said crushing-separating apparatus, is used for the said lead plaster of press filtration; Reaktionsofen; Said Reaktionsofen has furnace chamber, and the bottom of said furnace chamber constitutes the molten bath, is provided with partition wall in the said furnace chamber so that said furnace chamber is divided into melting area and reduction zone; The bottom of said partition wall is provided with the passage that is communicated with said melting area and reduction zone; The roof of said furnace chamber is provided with the smoke outlet that is used to discharge the flue gas in said melting area and the said reduction zone, and the roof of said melting area is provided with the melting area charging opening that is used to add the lead plaster after the said press filtration, and the roof of said reduction zone is provided with the reduction zone charging opening; The furnace wall of said reduction zone is provided with slag notch and siphon antimonial lead drain; The furnace wall of said melting area is provided with siphon refined lead drain, and the sidewall of said melting area is provided with the melting area gun slot, and the sidewall of said reduction zone is provided with the reduction zone gun slot; The melting area spray gun, said melting area side-blown spray gun is inserted in the gun slot of said melting area, be used for fuel and oxygen or oxygen-rich air be injected in the molten bath of said melting area; With the reduction zone spray gun, said reduction zone spray gun is inserted in the gun slot of said reduction zone, is used for fuel and oxygen or oxygen-rich air are injected in the molten bath of said reduction zone.
According to lead-acid accumulator treatment facility of the present invention, energy consumption is low, environmental protection, thermo-efficiency high, plumbous direct yield is high, simple in structure, process is continuous, process control simply be easy to realization and cost low.
In some embodiments of the invention, vertical end of the contiguous said furnace chamber of said siphon antimonial lead drain, vertical the other end of the contiguous said furnace chamber of said siphon refined lead drain.
In some embodiments of the invention, be provided with the settling region, melting area of contiguous said siphon refined lead drain in the said melting area, be provided with the settling region, reduction zone of contiguous said siphon antimonial lead drain in the said reduction zone.
In some embodiments of the invention, the bottom surface of said furnace chamber form said Reaktionsofen vertically in the middle of low inclined-plane, high two ends.
In some embodiments of the invention, the xsect of the diapire of said furnace chamber is recessed arc.
In some embodiments of the invention, said slag notch is located at vertical end of the said reduction zone of vicinity of said Reaktionsofen, and is provided with subsequent use slag notch at vertical the other end of the said melting area of vicinity of said Reaktionsofen.
In some embodiments of the invention, said smoke outlet place is provided with watercooling jacket.
In some embodiments of the invention, the sidewall of said reduction zone is provided with overfiren air port.
In some embodiments of the invention, the inherent slag line in the furnace wall of said Reaktionsofen place is provided with refrigerating unit.
In some embodiments of the invention, be provided with the cooling channel in the said partition wall.
In some embodiments of the invention, the lead-acid accumulator treatment facility also comprises waste heat boiler that links to each other with said smoke outlet and the dust precipitator that links to each other with said waste heat boiler.
The lead-acid accumulator treatment process that utilizes the lead-acid accumulator treatment facility to carry out according to the embodiment of the invention may further comprise the steps: the lead plaster that flux and waste lead accumulator cracking and sorting are obtained carries out joining in the melting area of said furnace chamber after the press filtration;
In said melting area, spray into fuel and oxygen or oxygen-rich air from the side of said Reaktionsofen and obtain refined lead and rich lead skim said lead plaster is carried out melting; Reductive agent and flux are joined in the reduction zone of said furnace chamber; In said reduction zone, spray into fuel and oxygen or oxygen-rich air from the side of said Reaktionsofen and obtain antimonial lead and slag so that the rich lead skim that flows to said reduction zone through said passage is reduced; Discharge said refined lead from said siphon refined lead drain; Discharge said antimonial lead from said siphon antimonial lead drain; With discharge said slag discontinuously from said slag notch.
According to lead-acid accumulator treatment process of the present invention, energy consumption is low, environmental protection, thermo-efficiency high, plumbous direct yield is high, simple in structure, process is continuous, process control simply be easy to realization and cost low.
In some embodiments of the invention, the lead-acid accumulator treatment process also comprises and sends into air from the top of side in said reduction zone of said Reaktionsofen with the combustiblecomponents that comprises carbon monoxide superfluous in the said reduction zone of oxidation.
In some embodiments of the invention, the lead-acid accumulator treatment process also comprises the waste heat of the flue gas that recovery is discharged from the top of said Reaktionsofen; Flue gas behind the recovery waste heat is carried out dedusting; Return in the said melting area with the flue dust that dedusting is obtained.
In some embodiments of the invention, said reductive agent is broken coal or lump coal, and said fuel is fine coal, Sweet natural gas, coal gas or kerosene.
In some embodiments of the invention, also be included in press filtration and before said lead plaster carried out preparatory desulfurization processing.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the synoptic diagram according to the lead-acid accumulator treatment facility of the embodiment of the invention;
Fig. 2 is the synoptic diagram according to the Reaktionsofen of the lead-acid accumulator treatment facility of the embodiment of the invention;
Fig. 3 is the schematic top plan view according to the Reaktionsofen of the lead-acid accumulator treatment facility of the embodiment of the invention;
Fig. 4 is the sectional view along the line A-A among Fig. 3;
Fig. 5 is the schema according to the continous way lead-acid accumulator treatment process of the embodiment of the invention; With
Fig. 6 is the schema of continous way lead-acid accumulator treatment process according to another embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more a plurality of these characteristics can be shown or impliedly comprised to the characteristic that is limited with " first ", " second " clearly.In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals, or an element be admitted material from another.For those of ordinary skill in the art, can particular case understand above-mentioned term concrete implication in the present invention.
Lead-acid accumulator treatment facility according to the embodiment of the invention is described with reference to the drawings below.
Shown in Fig. 1-4, comprise crushing-separating apparatus 300, filter-pressing device 200, Reaktionsofen 100, melting area spray gun 2 and reduction zone spray gun 3 according to the lead-acid accumulator treatment facility of the embodiment of the invention.
Crushing-separating apparatus 300 is used for broken lead-acid accumulator, and elects the lead-acid accumulator branch after the fragmentation as plumbous bits F1, lead plaster F3 and non-lead-containing material (for example plastic component etc.) F2.Crushing-separating apparatus 300 can use known in the art, is not described in detail here.Lead plaster F3 staple is a lead sulfate.Filter-pressing device 200 links to each other with crushing-separating apparatus 100, is used for admitting and press filtration lead plaster F3, so that go out containing the sour water press filtration among the lead plaster F3.Filter-pressing device 200 also can use known in the art, also is not described in detail here.
Reaktionsofen 100 has furnace chamber, and the bottom of said furnace chamber constitutes the molten bath, and in the molten bath, L1 is the liquid level of slag, and L2 is the liquid level of lead bullion.In a concrete example of the present invention, Reaktionsofen 100 can be the fixedly horizontal reacting container of long ellipse shape.Therefore, in embodiments of the present invention, Reaktionsofen 100 also can be called horizontalchamber oven, and preferably, the xsect of the diapire of said furnace chamber is recessed arc.
Be provided with partition wall 4 in the said furnace chamber said furnace chamber is divided into melting area Y and reduction zone H; The bottom of partition wall 4 is provided with the passage 41 that is communicated with melting area Y and reduction zone H; The roof of furnace chamber is provided with the smoke outlet 12 that is used to discharge the flue gas in melting area Y and the reduction zone H, and the roof of melting area Y is provided with the lead plaster F3 that is used to add after the press filtration and the melting area charging opening 11 of flux.Flux can be confirmed according to the slag type that needs in the Y of melting area are produced.The roof of reduction zone H is provided with reduction zone charging opening 13, uses reductive agent (for example broken coal or lump coal) and additional flux are joined in the H of reduction zone.The furnace wall of reduction zone H is provided with the slag notch 20 and the siphon antimonial lead drain 18A that is used to discharge the antimonial lead that restores in the H of reduction zone that is used to discharge slag.
The furnace wall of melting area Y is provided with siphon refined lead drain 18B, is used to discharge the refined lead of output in the Y of melting area.The sidewall of melting area Y is provided with the melting area gun slot, and the sidewall of reduction zone H is provided with the reduction zone gun slot.
Be appreciated that for those skilled in the art so-called refined lead is meant the lead that purity is higher, foreign matter content is less of output in the Y of melting area.So-called antimonial lead is meant the lead of the stibiated alloy form of output in the H of reduction zone, can be used for regeneration and produce store battery.
Melting area spray gun 2 is inserted in the gun slot of said melting area, is used for continuously fuel and oxygen or oxygen-rich air are injected in the molten bath of melting area Y.Reduction zone spray gun 3 is inserted in the gun slot of said reduction zone, is used for continuously fuel and oxygen or oxygen-rich air are injected in the molten bath of reduction zone H.
As shown in Figure 2; More specifically; Melting area spray gun 2 is injected to fuel and oxygen or oxygen-rich air under the liquid level L1 of slag on the liquid level L2 of refined lead in the molten bath of melting area Y; In other words, melting area spray gun 2 is injected to fuel and oxygen or oxygen-rich air in the melt in the Y of melting area, and reduction zone spray gun 3 is injected to fuel and oxygen or oxygen-rich air in the slag in the H of reduction zone; Thereby in the H of reduction zone, reduction zone spray gun 3 is blown into fuel and oxygen or the oxygen-rich air antimonial lead that restored of oxidation repeatedly not in the molten bath of reduction zone H.
Lead-acid accumulator treatment facility according to the embodiment of the invention; Can handle continuously the isolated lead plaster of lead-acid accumulator; Lead plaster F3 and flux join in the Y of melting area from melting area charging opening 11, and fuel that sprays into through melting area spray gun 2 and oxygen or oxygen-rich air carry out melting to lead plaster F3 and obtain refined lead and rich lead skim.Rich lead skim in the Y of melting area is in the passage 41 inflow reduction zone H of partition wall 4 bottoms.From reductive agent add inlet 13 in the H of reduction zone, add flux and reductive agent for example broken coal or lump coal the lead the rich lead skim is reduced, and spray into fuel and oxygen or oxygen-rich air to keep the temperature of reduction zone H through the slag inboard of reduction zone spray gun 3 in the H of reduction zone.It will be appreciated that through the control straying quatity, the part of fuel that reduction zone side-blown 3 sprays into also can be made reductive agent and reduce simultaneously from melting area Y through the rich lead skim in the passage 41 inflow reduction zone H with the broken coal or the lump coal of adding.
The refined lead that produces in antimonial lead that produces in the H of reduction zone and the melting area Y is discharged through siphon antimonial lead drain 18A and siphon refined lead drain 18B respectively, and the slag that produces in the H of reduction zone is interrupted discharge from slag notch 20.
Lead-acid accumulator treatment facility according to the embodiment of the invention; Lead plaster F3 can realize oxidation and reduction continuously in single Reaktionsofen 100; And owing to take the slag blanket of jetting; Therefore the fuel that H sprays in the reduction zone and oxygen is without the antimonial lead that has restored, therefore oxidation antimonial lead repeatedly not, and the lead tolerance in the slag reduces and stablizes.Owing in the Reaktionsofen 100 of single sealing, realized the lead plaster F3 of continuous processing lead-acid accumulator, so the treating processes of lead-acid accumulator is continuous, airtight, environmental protection, thermo-efficiency are high, and energy consumption reduces; Process control is simple, be easy to realize.
Shown in Fig. 2-4, in some embodiments of the invention, vertical end (left end among Fig. 2 and Fig. 3) of the contiguous said furnace chamber of siphon antimonial lead drain 18A, vertical the other end (right-hand member among Fig. 2 and Fig. 3) of the contiguous said furnace chamber of siphon refined lead drain 18B.In the Y of melting area, be provided with settling region, the melting area 19B of contiguous siphon refined lead drain 18B; Be convenient to refined lead deposition and gathering; Reduce the lead amount in the rich lead skim in the H in the reduction zone that gets into; Be provided with settling region, the reduction zone 19A of contiguous siphon antimonial lead drain 18A in the H of reduction zone, be convenient to the refined lead deposition and assemble the lead content in the minimizing slag.Alternatively; The bottom surface of said furnace chamber forms low inclined-plane, high two ends in the middle of said Reaktionsofen vertically (among Fig. 2 and 3 about reverse) goes up; Accumulate in siphon antimonial lead drain 18A and siphon refined lead drain 18B place respectively thereby help antimonial lead and refined lead, be convenient to discharge and reduce the lead content in rich lead skim and the slag.
In some embodiments of the invention; Slag notch 20 is located at the vertical end (left end among Fig. 2 and Fig. 3) of the contiguous reduction zone H of Reaktionsofen 100; And the vertical the other end (right-hand member among Fig. 2 and Fig. 3) at the contiguous melting area Y of Reaktionsofen 100 is provided with subsequent use slag notch 21, to be used for subsequent use slagging.12 places are provided with watercooling jacket 6 at smoke outlet, are used to reduce the temperature of furnace roof, are convenient to the maintenance of furnace roof.In an embodiment of the present invention; The shared smoke outlet 12 of melting area Y and reduction zone H; Because the sulfur-bearing in the lead plaster is few, perhaps before adding Reaktionsofen 100, lead plaster to be carried out preparatory desulfurization and handle, the sulfur in smoke of the generation in melting area Y and the reduction zone H is few; Therefore need not relieving haperacidity, need not to be respectively melting area Y and reduction zone H sets out mouth at furnace roof.
As shown in Figure 2, the sidewall of reduction zone Y is provided with overfiren air port 15.The flue gas that reduction zone H produces is discharged by smoke outlet 12 behind the superfluous combustiblecomponentss such as CO in by the secondary air combustion product gases that infeeds through overfiren air port 15 on H top, reduction zone, has improved environmental-protecting performance and safety performance.In the furnace wall of Reaktionsofen 100, be provided with refrigerating unit at slag line L1 place, for example watercooling jacket cools off Reaktionsofen 100 thus, has prolonged the life-span of Reaktionsofen 100.Preferably, be provided with cooling channel 42 in the partition wall 4.Can cool off partition wall 4 thus.
Lead-acid accumulator treatment facility according to some embodiments of the invention can also comprise waste heat boiler (not shown) that links to each other with smoke outlet 12 and the dust-precipitator (not shown) that links to each other with said waste heat boiler.Said waste heat boiler links to each other with smoke outlet 12 and said dust-precipitator links to each other with said waste heat boiler, thus the flue gas of discharging from smoke outlet 12 is carried out waste heat recovery and dedusting.The waste heat that reclaims can generate electricity or supply resident living usefulness, and flue dust can return melting area Y.Waste heat boiler can link to each other with smoke outlet through the membrane wall flue.
Lead-acid accumulator treatment facility according to the embodiment of the invention; Can through Reaktionsofen 100 continuously bath smelting from lead-acid accumulator separate and press filtration after lead plaster, improved efficient, and in Reaktionsofen 100, be divided into melting area Y and reduction zone H; Obtain refined lead and antimonial lead respectively; The intermittent type deslagging has been realized continuous processing lead-acid accumulator, and the good leak tightness of Reaktionsofen 100; Energy consumption is low, environmental protection, thermo-efficiency high, plumbous direct yield is high, simple in structure, process is continuous, process control simply be easy to realization and cost low.Therefore, the lead-acid accumulator treatment facility according to the embodiment of the invention also can be called continous way lead-acid accumulator treatment facility.
The lead-acid accumulator treatment process that utilizes the lead-acid accumulator treatment facility to carry out according to the embodiment of the invention is described below.Said lead-acid accumulator treatment facility can be the lead-acid accumulator treatment facility of describing with reference to the foregoing description; But it will be appreciated that; Be not limited to this, those skilled in the art also can carry out the variation of details aspect to the lead-acid accumulator treatment facility of describing with reference to the foregoing description.
As shown in Figure 4, the lead-acid accumulator treatment process may further comprise the steps according to an embodiment of the invention:
The lead plaster that flux and waste lead accumulator cracking and sorting are obtained carries out joining in the melting area Y of furnace chamber after the press filtration;
In the Y of melting area, spray into fuel (for example fine coal) in (be slag line L2 below with lead bullion line L1 top) from the side of Reaktionsofen 100 and oxygen (or oxygen-rich air) obtains refined lead and rich lead skim said lead plaster is carried out melting;
Reductive agent (for example broken coal or lump coal) and additional flux are joined in the Y of reduction zone;
In the Y of reduction zone, spray into fuel from the side of said Reaktionsofen 100 and oxygen (or oxygen-rich air) obtains antimonial lead and slag so that the rich lead skim that flows to reduction zone Y through passage 41 is reduced;
Discharge said refined lead from siphon refined lead 18A drain;
Discharge said antimonial lead from said siphon antimonial lead drain 18B; With
Discharge said slag discontinuously from said slag notch.
Lead-acid accumulator treatment process according to the embodiment of the invention; Can handle the lead plaster after lead-acid accumulator cracking and sorting and the press filtration continuously; And energy consumption is low, environmental protection, thermo-efficiency high, plumbous direct yield is high, process is continuous, process control simply be easy to realize and cost low.
As shown in Figure 5; The lead-acid accumulator treatment process can also comprise and sends into air from the top of side in the Y of reduction zone of said Reaktionsofen 100 with the combustiblecomponents that comprises carbon monoxide superfluous in the redox district Y according to another embodiment of the present invention; To reduce the content of harmful gas from flue gas, improve the feature of environmental protection.Preferably, the lead-acid accumulator treatment process according to the embodiment of the invention also comprises: the waste heat that reclaims the flue gas of discharging from the top of Reaktionsofen 100; Flue gas behind the recovery waste heat is carried out dedusting; Return in the said melting area with the flue dust that dedusting is obtained.
Preferably, before press filtration, said lead plaster being carried out preparatory desulfurization handles.Thus, can reduce the sulphur content in the lead plaster, further reduce the content of sulfur in smoke, improve the feature of environmental protection.
Lead-acid accumulator treatment process according to the embodiment of the invention; The fine coal part burning that side-blown sprays in the H of reduction zone provides heat; Some can participate in reduction reaction, advantageously, and through add broken coal or lump coal at the Reaktionsofen top; Can reduce the straying quatity of fine coal, reduce the lead content in the slag.
According to the lead-acid accumulator treatment process and the equipment of the embodiment of the invention, can to lead plaster continuously melting obtain refined lead and antimonial lead, and good leak tightness, environmental-protecting performance improves, cost reduces.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.

Claims (16)

1. lead-acid accumulator treatment process that utilizes the lead-acid accumulator treatment facility to carry out; Wherein said lead-acid accumulator treatment facility comprises crushing-separating apparatus, filter-pressing device and Reaktionsofen, and said Reaktionsofen has furnace chamber; Be provided with partition wall in the said furnace chamber so that said furnace chamber is divided into melting area and reduction zone; Said melting area has siphon refined lead drain, and said reduction zone has siphon antimonial lead drain and slag notch, and said melting area and reduction zone are through the channel connection of said partition wall bottom; It is characterized in that said lead-acid accumulator treatment process may further comprise the steps:
The lead plaster that flux and waste lead accumulator cracking and sorting are obtained carries out joining in the melting area of said furnace chamber after the press filtration;
In said melting area, spray into fuel and oxygen or oxygen-rich air from the side of said Reaktionsofen and obtain refined lead and rich lead skim said lead plaster is carried out melting;
Reductive agent and flux are joined in the reduction zone of said furnace chamber;
In said reduction zone, spray into fuel and oxygen or oxygen-rich air from the side of said Reaktionsofen and obtain antimonial lead and slag so that the rich lead skim that flows to said reduction zone through said passage is reduced;
Discharge said refined lead from said siphon refined lead drain;
Discharge said antimonial lead from said siphon antimonial lead drain; With
Discharge said slag discontinuously from said slag notch.
2. lead-acid accumulator treatment process according to claim 1 is characterized in that, also comprises from the top of side in said reduction zone of said Reaktionsofen sending into air with the combustiblecomponents that comprises carbon monoxide superfluous in the said reduction zone of oxidation.
3. lead-acid accumulator treatment process according to claim 2 is characterized in that, also comprises:
The waste heat of the flue gas that recovery is discharged from the top of said Reaktionsofen;
Flue gas behind the recovery waste heat is carried out dedusting; With
The flue dust that dedusting is obtained returns in the said melting area.
4. lead-acid accumulator treatment process according to claim 1 is characterized in that, said reductive agent is broken coal or lump coal, and said fuel is fine coal, Sweet natural gas, coal gas or kerosene.
5. lead-acid accumulator treatment process according to claim 1 is characterized in that, also is included in press filtration and before said lead plaster is carried out preparatory desulfurization processing.
6. a lead-acid accumulator treatment facility is characterized in that, comprising:
Crushing-separating apparatus, said crushing-separating apparatus are used for broken lead-acid accumulator and elect the lead-acid accumulator branch after the fragmentation as plumbous bits, lead plaster and non-lead-containing material;
Filter-pressing device, said filter-pressing device links to each other with said crushing-separating apparatus, is used for the said lead plaster of press filtration;
Reaktionsofen; Said Reaktionsofen has furnace chamber, and the bottom of said furnace chamber constitutes the molten bath, is provided with partition wall in the said furnace chamber so that said furnace chamber is divided into melting area and reduction zone; The bottom of said partition wall is provided with the passage that is communicated with said melting area and reduction zone; The roof of said furnace chamber is provided with the smoke outlet that is used to discharge the flue gas in said melting area and the said reduction zone, and the roof of said melting area is provided with the melting area charging opening that is used to add the lead plaster after the said press filtration, and the roof of said reduction zone is provided with the reduction zone charging opening; The furnace wall of said reduction zone is provided with slag notch and siphon antimonial lead drain; The furnace wall of said melting area is provided with siphon refined lead drain, and the sidewall of said melting area is provided with the melting area gun slot, and the sidewall of said reduction zone is provided with the reduction zone gun slot;
The melting area spray gun, said melting area spray gun is inserted in the gun slot of said melting area, is used for fuel and oxygen or oxygen-rich air are injected in the molten bath of said melting area;
The reduction zone spray gun, said reduction zone spray gun is inserted in the gun slot of said reduction zone, is used for fuel and oxygen or oxygen-rich air are injected in the molten bath of said reduction zone.
7. lead-acid accumulator treatment facility according to claim 6 is characterized in that, vertical end of the contiguous said furnace chamber of said siphon antimonial lead drain, vertical the other end of the contiguous said furnace chamber of said siphon refined lead drain.
8. lead-acid accumulator treatment facility according to claim 7; It is characterized in that; Be provided with the settling region, melting area of contiguous said siphon refined lead drain in the said melting area, be provided with the settling region, reduction zone of contiguous said siphon antimonial lead drain in the said reduction zone.
9. lead-acid accumulator treatment facility according to claim 7 is characterized in that, the bottom surface of said furnace chamber form said Reaktionsofen vertically in the middle of low inclined-plane, high two ends.
10. lead-acid accumulator treatment facility according to claim 6 is characterized in that, the xsect of the diapire of said furnace chamber is recessed arc.
11. lead-acid accumulator treatment facility according to claim 6; It is characterized in that; Said slag notch is located at vertical end of the said reduction zone of vicinity of said Reaktionsofen, and is provided with subsequent use slag notch at vertical the other end of the said melting area of vicinity of said Reaktionsofen.
12. lead-acid accumulator treatment facility according to claim 6 is characterized in that, said smoke outlet place is provided with watercooling jacket.
13. lead-acid accumulator treatment facility according to claim 6 is characterized in that the sidewall of said reduction zone is provided with overfiren air port.
14. lead-acid accumulator treatment facility according to claim 6 is characterized in that, the inherent slag line in the furnace wall of said Reaktionsofen place is provided with refrigerating unit.
15. lead-acid accumulator treatment facility according to claim 6 is characterized in that, is provided with the cooling channel in the said partition wall.
16. lead-acid accumulator treatment facility according to claim 6 is characterized in that, also comprises waste heat boiler that links to each other with said smoke outlet and the dust precipitator that links to each other with said waste heat boiler.
CN2012100192943A 2012-01-20 2012-01-20 Treating equipment and process of waste lead-acid accumulator Pending CN102560119A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103695650A (en) * 2013-12-25 2014-04-02 永州福嘉有色金属有限公司 Method for smelting lead paste of waste lead storage battery
CN105280976A (en) * 2014-10-27 2016-01-27 李洪亮 Environmental-friendly and high-efficiency processing method of waste lead-acid storage battery
CN105821214A (en) * 2016-03-22 2016-08-03 安徽华铂再生资源科技有限公司 High-purity energy-saving and environment-friendly regenerated lead smelting technique
CN107083488A (en) * 2017-04-19 2017-08-22 安徽华铂再生资源科技有限公司 A kind of waste lead acid battery lead cream bath smelting processing method
EP3460371A4 (en) * 2016-05-16 2019-10-23 China Enfi Engineering Corporation Side-submerged combustion smelting apparatus for spraying oxygen-enriched air and pulverized coal
CN112267022A (en) * 2020-09-10 2021-01-26 安徽华铂再生资源科技有限公司 Sulfuric acid diachylon smelting method based on waste lead storage battery

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CN102011014A (en) * 2010-11-21 2011-04-13 中国恩菲工程技术有限公司 Continuous lead-smelting device and continuous lead-smelting process

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103695650A (en) * 2013-12-25 2014-04-02 永州福嘉有色金属有限公司 Method for smelting lead paste of waste lead storage battery
CN103695650B (en) * 2013-12-25 2016-02-10 永州福嘉有色金属有限公司 A kind of melting waste lead accumulator is containing the method for lead plaster mud
CN105280976A (en) * 2014-10-27 2016-01-27 李洪亮 Environmental-friendly and high-efficiency processing method of waste lead-acid storage battery
CN105821214A (en) * 2016-03-22 2016-08-03 安徽华铂再生资源科技有限公司 High-purity energy-saving and environment-friendly regenerated lead smelting technique
EP3460371A4 (en) * 2016-05-16 2019-10-23 China Enfi Engineering Corporation Side-submerged combustion smelting apparatus for spraying oxygen-enriched air and pulverized coal
CN107083488A (en) * 2017-04-19 2017-08-22 安徽华铂再生资源科技有限公司 A kind of waste lead acid battery lead cream bath smelting processing method
CN107083488B (en) * 2017-04-19 2019-05-24 安徽华铂再生资源科技有限公司 A kind of waste lead acid battery lead cream bath smelting processing method
CN112267022A (en) * 2020-09-10 2021-01-26 安徽华铂再生资源科技有限公司 Sulfuric acid diachylon smelting method based on waste lead storage battery

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Application publication date: 20120711