CN208717400U - A kind of regenerated resources comprehensive recovery device system - Google Patents
A kind of regenerated resources comprehensive recovery device system Download PDFInfo
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- CN208717400U CN208717400U CN201821466911.3U CN201821466911U CN208717400U CN 208717400 U CN208717400 U CN 208717400U CN 201821466911 U CN201821466911 U CN 201821466911U CN 208717400 U CN208717400 U CN 208717400U
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- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 230000009467 reduction Effects 0.000 claims abstract description 70
- 239000003546 flue gas Substances 0.000 claims abstract description 68
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 239000002893 slag Substances 0.000 claims abstract description 62
- 230000003647 oxidation Effects 0.000 claims abstract description 40
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 20
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002918 waste heat Substances 0.000 claims description 45
- 239000012716 precipitator Substances 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 24
- 238000004064 recycling Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 9
- 239000003517 fume Substances 0.000 claims description 6
- 238000007781 pre-processing Methods 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 26
- 229910052742 iron Inorganic materials 0.000 abstract description 13
- 239000011135 tin Substances 0.000 abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052725 zinc Inorganic materials 0.000 abstract description 10
- 239000011701 zinc Substances 0.000 abstract description 10
- 229910052787 antimony Inorganic materials 0.000 abstract description 9
- 239000011133 lead Substances 0.000 abstract description 9
- 229910052718 tin Inorganic materials 0.000 abstract description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 7
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 239000004615 ingredient Substances 0.000 abstract description 6
- 238000011946 reduction process Methods 0.000 abstract description 6
- 229910052759 nickel Inorganic materials 0.000 abstract description 5
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 239000003500 flue dust Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 238000003672 processing method Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical group [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 238000007499 fusion processing Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 229910000960 colored gold Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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
- Y02P10/20—Recycling
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- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of regenerated resources comprehensive recovery device system, belongs to regenerated resources field of metallurgy.Recyclable device system includes: to pre-process and determine metering dosage device system, three combination ovens and flue gas processing device system；After carrying out pretreatment and ingredient to regenerated resources, melt oxidation, reduction, depth volatilization reduction process, output crude metal and clinker are completed in three combination oven A furnaces, B furnace, C furnace respectively, clinker enters subsequent processing until valuable metal therein is extracted.The recyclable device system, configuration is compact, and for clinker by chute from three combination oven A furnaces flow into B furnace, B furnace flows into C furnace, logistics transportation is simply smooth, reduces the heat loss in transport process.Have many advantages, such as that high degree of automation, process are short, high to regenerated resources comprehensive utilization degree, non-ferrous metal therein can not only be recycled, such as lead, nickel, copper, zinc, tin, antimony, moreover it is possible to recycle ferrous metal iron therein, make finally to discharge 30% or more quantity of slag reduction.
Description
Technical field
The utility model relates to a kind of regenerated resources field of metallurgy more particularly to a kind of regenerated resources comprehensive recovery device systems
System.The valuable metals reclaiming waste materials such as integrated treatment is leaded, iron, nickel, copper, zinc, tin, antimony.
Background technique
In recent years, China's non-ferrous metals industry sustained and rapid development not only has become the main nonferrous production in the world
State, while being also main country of consumption.However shortage of mineral resources contradiction becomes increasingly conspicuous, material inlet increases year by year, externally according to
Degree of depositing is higher and higher.Shortage of resources becomes fast-developing " bottleneck " for restricting China's non-ferrous metals industry already.Non-ferrous metal
Secondary use, the valuable gold of synthetical recovery are carried out to containing valuable regenerated metal resource with excellent reproducing characteristic, therefore effectively
Belong to, by its value maximization, becomes the raising level of resources utilization, protection and improvement environment, alleviate Mineral Resources in China supply and demand lance
One important measure of shield.A large amount of Resources can be saved, it is insufficient to make up China's Resources, and " can turn waste into wealth, change evil
For benefit ", positive contribution is made to alleviate china natural resources environmental constraints.Renewable resource utilization is just towards enlarged, intensive, scale
Change, standardization, utmostly utilizationization development, needs to develop corresponding treatment process and apparatus system.
Utility model content
The purpose of this utility model is to provide for a kind of regenerated resources comprehensive recovery device system, solves current regenerated resources
The low problem of processing unit ability.
The purpose of this utility model is achieved in that the recyclable device system of the utility model includes: pretreatment of raw material
And determine metering dosage device system, three combination ovens and flue gas processing device system；It pre-processes and determines metering dosage device system and pass through
Transporter is connect with three combination ovens, and the flue gas discharge opening of three combination ovens is connect with flue gas processing device system；Smelt the valuable gold of recycling
Belong to and being discharged from the metal discharge device outlet of three combination ovens.
The pretreatment and determine metering dosage device system, include belt conveyor, the transporter includes:
A furnace belt conveyor, B furnace belt conveyor and C furnace belt conveyor；Three belt conveyor one end are located at pretreatment and devise a stratagem
The raw material output end of proportioner system is measured, the other end connects with the feed opening of three stoves of three combination ovens respectively.
Three combination ovens include: three combination oven A furnaces, three combination oven B furnaces and three combination oven C furnaces, and each furnace body includes: charging
Mouth, metal discharge device, flue gas discharge opening, slag emission mouth and slag emission chute；There are feed opening and cigarette in the upper end of furnace body
Gas outlet, feed opening are connect with the belt conveyor for pre-processing and determining metering dosage device system, flue gas discharge opening and flue gas
The waste heat boiler of processing device system is connected；There is metal discharge device in the side of furnace body, respectively has a furnace at two ends of furnace body
Slag discharge outlet and clinker input port, are connected with slag emission chute on slag emission mouth；The clinker of three combination ovens passes through three combination ovens
Slag emission chute from three combination oven A furnaces flow into three combination oven B furnaces, three combination oven B furnaces flow into three combination oven C furnaces, three combination oven C furnace clinkers row
Put chute output clinker.
The flue gas processing device system includes: melt oxidation waste heat boiler, reduction waste heat boiler, depth volatilization reduction
Waste heat boiler, oxidation dust-precipitator, reduction dust-precipitator, depth volatilization reduction dust-precipitator and desulfuring and denitrifying apparatus；Melt oxidation waste heat
Boiler with oxidation dust-precipitator be connected, reduction waste heat boiler with reduction dust-precipitator be connected, depth volatilization reduction waste heat boiler and
Depth volatilization reduction dust-precipitator connection；Aoxidize the output end of dust-precipitator, reduction dust-precipitator and depth volatilization reduction dust-precipitator simultaneously
It is connected with the input terminal of desulfuring and denitrifying apparatus.
Beneficial effect, as the above scheme is adopted, the three combination ovens configuration of recyclable device system are compact, by production-goods again
Source carry out pretreatment and ingredient after, respectively in three combination oven A furnaces, three combination oven B furnaces, three combination oven C furnaces complete melt oxidation, reduction,
Depth volatilization reduction process, output crude metal and clinker, clinker enters subsequent processing until valuable metal therein is extracted
Come.For clinker by chute from three combination oven A furnaces flow into three combination oven B furnaces, three combination oven B furnaces flow into three combination oven C furnaces, logistics transportation is simply suitable
Freely, reduce and have bad luck operator and equipment, reduce the heat loss in transport process, visual actual conditions realize it is continuous or
Medium well produces.It is connected with flue gas processing device system in the flue gas output end of three combination ovens simultaneously, the flue gas of output is handled, is returned
The valuable metal in flue gas is received, while also recycling hot fume, the energy is greatly saved；The regenerated resources of the utility model are comprehensive
The method and device system of recycling is closed, has high degree of automation, Yi Shixian scale, process short, comprehensive to regenerated resources sharp
The advantages that high with degree, can not only recycle non-ferrous metal therein, such as lead, nickel, copper, zinc, tin, antimony, moreover it is possible to recycle therein black
Non-ferrous metal iron makes finally to discharge 30% or more quantity of slag reduction；Scale, utmostly utilizationization, emission reduction synergy are realized, to again
It is net that valuable metal in production-goods source eats dry squeezing, while greatly reducing the last row quantity of slag.
Advantage: the recyclable device system, configuration is compact, and clinker flows into three combination oven B furnaces, three from three combination oven A furnaces by chute
Combination oven B furnace flows into three combination oven C furnaces, and logistics transportation is simply smooth, reduces and has bad luck operator and equipment, reduces transport process
In heat loss, the realization of visual actual conditions continuously or discontinuously produces.With high degree of automation, Yi Shixian scale, process
The advantages that short, high to regenerated resources comprehensive utilization degree, non-ferrous metal therein can not only be recycled, as lead, nickel, copper, zinc, tin,
Antimony, moreover it is possible to recycle ferrous metal iron therein, make finally to discharge 30% or more quantity of slag reduction.
Detailed description of the invention
Fig. 1 is the system construction drawing of the utility model.
Fig. 2 is the process flow chart of the utility model.
In figure, 100, pretreatment and determine metering dosage device system；101, A furnace belt conveyor；102, B furnace Belt transport
Machine；103, C furnace belt conveyor；
200, three combination oven A furnace；201, A furnace feed opening；202, A furnace metal discharge device；203, A kiln gas outlet；
204, A furnace slag emission mouth；205, A furnace slag emission chute；
300, three combination oven B furnace；301, B furnace feed opening；302, B furnace metal discharge device；303, B kiln gas outlet；
304, B furnace slag emission mouth；305, B furnace slag emission chute；
400, three combination oven C furnace；401, C furnace feed opening；402, C furnace metal discharge device；403, C kiln gas outlet；
404, C furnace slag emission mouth；405, C furnace slag emission chute；
500, flue gas processing device system；511, melt oxidation waste heat boiler；512, waste heat boiler is restored；513, depth is waved
Return former waste heat boiler；521, dust-precipitator is aoxidized；522, dust-precipitator is restored；523, depth volatilization reduction dust-precipitator；530, desulfurization
Denitrification apparatus.
Specific embodiment
The recyclable device system of the utility model include: pretreatment of raw material and determine metering dosage device system, three combination ovens and
Flue gas processing device system；It pre-processes and determines metering dosage device system and connect by transporter with three combination ovens, the cigarette of three combination ovens
Gas outlet is connect with flue gas processing device system；The non-ferrous metal of recycling is smelted from the metal discharge device outlet of three combination ovens
Discharge.
The pretreatment and determine metering dosage device system, include belt conveyor, the transporter includes:
A furnace belt conveyor 101, B furnace belt conveyor 102 and C furnace belt conveyor 103；Three belt conveyor one end are located at pre-
Processing and determine the raw material output end of metering dosage device system, the other end feed opening phase with three stoves of three combination ovens respectively
It connects.
Three combination ovens include: three combination oven A furnaces, three combination oven B furnaces and three combination oven C furnaces, and each furnace body includes: charging
Mouth, metal discharge device, flue gas discharge opening, slag emission mouth and slag emission chute；There are feed opening and cigarette in the upper end of furnace body
Gas outlet, feed opening are connect with the belt conveyor for pre-processing and determining metering dosage device system, flue gas discharge opening and flue gas
The waste heat boiler of processing device system is connected；There is metal discharge device in the side of furnace body, respectively has a furnace at two ends of furnace body
Slag discharge outlet and clinker input port, are connected with slag emission chute on slag emission mouth；The clinker of three combination ovens passes through three combination ovens
Slag emission chute from three combination oven A furnaces flow into three combination oven B furnaces, three combination oven B furnaces flow into three combination oven C furnaces, three combination oven C furnace clinkers row
Put chute output clinker.
The flue gas processing device system includes: that melt oxidation waste heat boiler 511, reduction waste heat boiler 512, depth are waved
Return former waste heat boiler 513, oxidation dust-precipitator 521, reduction dust-precipitator 522, depth volatilization reduction dust-precipitator 523 and desulphurization denitration
Device 530；Melt oxidation waste heat boiler 511 is connected with oxidation dust-precipitator 521, reduction waste heat boiler 512 and reduction dust-precipitator
522 are connected, and depth volatilization reduction waste heat boiler 513 is connect with depth volatilization reduction dust-precipitator 523；It aoxidizes dust-precipitator 521, go back
The output end of former dust-precipitator 522 and depth volatilization reduction dust-precipitator 523 is connected with the input terminal of desulfuring and denitrifying apparatus 530 simultaneously
It connects.
Recovery method step using the utility model recyclable device system includes:
(1) pretreatment of raw material and determine batching；
(2) melt oxidation is carried out to regenerated resources in three combination oven A furnaces, that is, melt oxidation furnace, enrichment obtains crude metal or gold
Belong to oxide or metal sulfide；
(3) clinker after melt oxidation is restored in three combination oven B furnaces, that is, reduction furnace, further recycling therein has
Valence metal；
(4) to the further depth volatilization reduction recycling of clinker after reduction in three combination oven C furnaces, that is, depth volatilization reduction furnace
Iron in clinker, and volatile metal is recycled from flue dust, the volatile metal are as follows: lead, zinc, tin, antimony；
The processing of (5) three combination oven flue gases and qualified discharge.
Preferably, in the present invention, three combination oven flue gas processing method are as follows: upper furnace space second-time burning --- it is remaining
--- dust-precipitator collects flue dust --- relieving haperacidity/desulphurization and denitration --- qualified discharge to heat boiler recovery waste heat, and the flue dust of collection returns
Three combination oven regenerated resources comprehensive recovery device systems recycle wherein valuable metal.
Preferably, in the present invention, the oxygen-enriched wind that oxygen-containing 80% or more is blasted during melt oxidation, reduces unit
Material exhaust gas volumn, to reduce the heat loss that flue gas is taken away.
Preferably, in the present invention, strongly reducing atmosphere, a CO concentration in flue gas are controlled in depth volatilization reduction furnace
It is 20 ~ 80%.
Preferably, in the present invention, depth volatilization reduction furnace, which can arrange in pairs or groups, handles the cold burden containing valuable metal, described
Valuable metal cold burden be scum, alkaline residue.
Preferably, in the present invention, sludging flux is added in melt oxidation process and reduction process, improves melting temperature
The mobility of slag is spent, kinetics is improved, improves reaction efficiency.
Preferably, in the present invention, vulcanizing agent is added in depth volatilization and reduction process and carries out sulfiding volatilization, sulphur
Agent is troilite cheap and easy to get.
Preferably, in the present invention, melting oxygen is completed in three combination oven A furnaces, three combination oven B furnaces, three combination oven C furnaces respectively
Change, reduction, depth volatilization reduction process, visual actual conditions realization continuously or discontinuously produces.
The technical solution of the utility model is further illustrated with reference to the accompanying drawing:
Embodiment 1: in order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached
Figure and embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.
It is retouched in detail below with reference to Fig. 1 to according to the regenerated resources comprehensive recovery device system of the utility model embodiment
It states:
Embodiment according to the present utility model is pre-processing and is determining to be provided with batch bin in metering dosage device system 100
And devise a stratagem amount is fed adhesive tape, the various materials such as regenerated resources, flux, fuel, reducing agent, vulcanizing agent are set by burdening calculation result
Each inventory provides value, to meet heat balance requirement, reducing atmosphere requirement, the requirement of sulfiding volatilization and slag in fusion process
Middle FeO/SiO2Than and CaO/SiO2The control of ratio, the material after ingredient, by belt conveyor 101 to three combination oven A furnaces 200 plus
Enter material, material is added to three combination oven B furnaces 300 in belt conveyor 102, and belt conveyor 103 is to three combination oven C furnaces, 400 admixture
Material.
Embodiment according to the present utility model, three combination oven A furnaces 200 have A furnace feed opening 201, A furnace metal discharge device
202, A kiln gas outlet 203, A furnace slag emission mouth 204 and A furnace slag emission chute 205, prepare fuel and sludging flux
Material from furnace roof A furnace feed opening 201 be added furnace in fall into molten bath, oxygen-enriched sky is blasted into molten bath slag blanket by primary air nozzle
Gas reacts with furnace charge, makes furnace charge melt oxidation, blasts air to upper furnace space by overfiren air port, makes free sulfur
Completely burned, output crude metal, flue gas and clinker.Crude metal is discharged out of the furnace by A furnace metal discharge device 202, and flue gas passes through A
Kiln gas outlet 203 enters flue gas processing device system 500, and clinker passes through A furnace slag emission mouth 204 and A furnace slag emission
Chute 205 is continued with into subsequent processing.
A specific embodiment according to the present utility model, the oxygen-enriched air oxygen-containing 80% blasted during melt oxidation with
On, unit material exhaust gas volumn is reduced, to reduce the heat loss that flue gas is taken away.
A specific embodiment according to the present utility model, the smelting temperature of three combination oven A furnace melt oxidations are 1200 DEG C.
Embodiment according to the present utility model, three combination oven B furnaces 300 have B furnace feed opening 301, B furnace metal discharge device
302, B kiln gas outlet 303, B furnace slag emission mouth 304 and B furnace slag emission chute 305, the furnace after the oxidation of three combination oven A furnaces
Three combination oven B furnaces are added from side wall by chute in slag, and the material for preparing reducing agent and sludging flux adds from furnace roof B furnace feed opening 301
Enter and fall into molten bath in furnace, technique wind is blasted into molten bath slag blanket by primary air nozzle, form reducing atmosphere and occurs with furnace charge anti-
It answers, air is blasted to upper furnace space by overfiren air port, make remaining CO completely burned, output crude metal, flue gas and furnace
Slag.Crude metal is discharged out of the furnace by B furnace metal discharge device 302, and flue gas enters fume treatment by B kiln gas outlet 303
Apparatus system 500, clinker are continued with by B furnace slag emission mouth 304 and B furnace slag emission chute 305 into subsequent processing.
A specific embodiment according to the present utility model, the technique wind that primary air nozzle blasts are oxygen-enriched air, Ji Yaobao
Reducing atmosphere is demonstrate,proved, reduces unit material exhaust gas volumn again to reduce the heat loss that flue gas is taken away, it is preferable that technique wind is oxygen-containing
40%~70%。
A specific embodiment according to the present utility model, the smelting temperature of three combination oven B furnaces reduction are 1200 DEG C.
Embodiment according to the present utility model, three combination oven C furnaces 400 have C furnace feed opening 401, C furnace metal discharge device
402, C kiln gas outlet 403, C furnace slag emission mouth 404 and C furnace slag emission chute 405, the furnace after the reduction of three combination oven B furnaces
Three combination oven C furnaces are added from side wall by chute in slag, and the material for preparing reducing agent and vulcanizing agent is added from furnace roof C furnace feed opening 401
Molten bath is fallen into furnace, technique wind is blasted into molten bath slag blanket by primary air nozzle, is formed reducing atmosphere and is reacted with furnace charge,
Air is blasted to upper furnace space by overfiren air port, makes remaining CO completely burned, the output pig iron, flue gas and clinker, Pb,
The metals sulfiding volatilization such as Sn, Sb, Zn enters flue gas, and formation flue dust is collected after aoxidizing during subsequent fume treatment, being cooling.
The pig iron is discharged out of the furnace by C furnace metal discharge device 402, and flue gas enters flue gas processing device system by C kiln gas outlet 403
System 500, clinker are continued with by C furnace slag emission mouth 404 and C furnace slag emission chute 405 into subsequent processing.
A specific embodiment according to the present utility model, the technique wind that primary air nozzle blasts are oxygen-enriched air, Ji Yaobao
Reducing atmosphere is demonstrate,proved, reduces unit material exhaust gas volumn again to reduce the heat loss that flue gas is taken away, it is preferable that technique wind is oxygen-containing
30%~60%。
A specific embodiment according to the present utility model, three CO concentration in flue gas of combination oven C furnace are 20 ~ 80%, are passed through
Strongly reducing atmosphere during controlling depth volatilization reduction furnace, makes a large amount of iron in slag be reduced out.
Specific embodiment according to the present utility model blasts enough air in three combination oven C furnace upper furnace spaces, makes primary
CO in flue gas carries out secondary completely burned.
A specific embodiment according to the present utility model, three combination oven C furnace depth volatilize reduction melting temperature be 1400 DEG C ~
1600 DEG C, guarantee metal and the good mobility of clinker.
A specific embodiment according to the present utility model, three combination oven C furnaces can handle the cold burden containing valuable metal, such as iron
Slag, alkaline residue etc..
A specific embodiment according to the present utility model, further, vulcanizing agent are troilite cheap and easy to get.
Specific embodiment according to the present utility model, flue gas processing device system 500 is according to three combination oven A furnaces 200, three combination ovens
B furnace 300, three combination oven C furnaces, 400 smoke characteristic individually carry out waste heat recycling to it and gather dust, then concentrate and carry out removing harmful substance
Processing reach discharge standard, flue gas processing device system 500 has melt oxidation waste heat boiler 511, reduction waste heat boiler
512, depth volatilization reduction waste heat boiler 513, oxidation dust-precipitator 521, reduction dust-precipitator 522, depth volatilization reduction dust-precipitator 523
With desulfuring and denitrifying apparatus 530.
A specific embodiment according to the present utility model, the flue gas processing method of three combination oven A furnaces 200 are as follows: melt oxidation
--- oxidation dust-precipitator 521 collects flue dust --- converging desulphurization denitration --- qualified discharge to 511 recovery waste heat of waste heat boiler, collects
Flue dust return three combination oven A furnaces 200.
A specific embodiment according to the present utility model, the flue gas processing method of three combination oven B furnaces 300 are as follows: three combination oven B furnaces
Reduction dust-precipitator 522 collects cigarette for 300 upper furnace space second-time burnings --- reduction 512 recovery waste heat of waste heat boiler ---
The flue dust of dirt --- converging desulphurization denitration --- qualified discharge, collection returns to three combination oven A furnaces 200.
A specific embodiment according to the present utility model, the flue gas processing method of three combination oven C furnaces 400 are as follows: three combination oven C furnaces
Depth volatilization reduction is received for 400 upper furnace space second-time burnings --- depth volatilization reduction 513 recovery waste heat of waste heat boiler ---
Dirt device 523 collects flue dust --- converging desulphurization denitration --- qualified discharge, and the flue dust of collection returns to three combination oven A furnaces 200.
After carrying out pretreatment and ingredient to regenerated resources, respectively in three combination oven A furnaces, three combination oven B furnaces, three combination oven C furnaces
Interior completion melt oxidation, reduction, depth volatilization reduction process, output crude metal and clinker, clinker enter subsequent processing up to it
In valuable metal be extracted.According to the method and device system of the regenerated resources synthetical recovery of the utility model, configuration
Compact, for clinker by chute from three combination oven A furnaces flow into three combination oven B furnaces, three combination oven B furnaces flow into three combination oven C furnaces, logistics transportation is simple
It is smooth, reduce and have bad luck operator and equipment, reduce the heat loss in transport process, visual actual conditions realize it is continuous or
Interruption production.As a result, according to the regenerated resources comprehensive recovering process and system of the utility model embodiment, there is the degree of automation
The advantages that height, Yi Shixian scale, short, high to regenerated resources comprehensive utilization degree process, can not only recycle therein has coloured gold
Belong to, such as lead, nickel, copper, zinc, tin, antimony, moreover it is possible to recycle ferrous metal iron therein, make finally to discharge 30% or more quantity of slag reduction.
It is detailed to being carried out according to the regenerated resources comprehensive recovering process of the utility model embodiment below with reference to Fig. 1 and Fig. 2
Description.
In the utility model in a first aspect, the utility model proposes a kind of production-goods again using above-described embodiment method
Source comprehensive recovery device system.Embodiment according to the present utility model, with reference to Fig. 1, which includes: that pretreatment and devise a stratagem amount are matched
Expect apparatus system 100, three combination oven A furnaces 200, three combination oven B furnaces 300, three combination oven C furnaces 400 and flue gas processing device system 500.Its
In, pre-processing and determining metering dosage device system 100 has the belt conveyor 101 that material is added to three combination oven A furnaces 200, to
The belt conveyor 102 of material is added in three combination oven B furnaces 300, and the belt conveyor 103 of material is added to three combination oven C furnaces 400；Three
Combination oven A furnace 200 has A furnace feed opening 201, A furnace metal discharge device 202, A kiln gas outlet 203, three combination oven A furnace clinkers
Discharge outlet 204 and A furnace slag emission chute 205；Three combination oven B furnaces 300 have B furnace feed opening 301, B furnace metal discharge device
302, B kiln gas outlet 303, B furnace slag emission mouth 304 and B furnace slag emission chute 305；Three combination oven C furnaces 400 have C furnace
Feed opening 401, C furnace metal discharge device 402, C kiln gas outlet 403, C furnace slag emission mouth 404 and C furnace slag emission slip
Slot 405；Flue gas processing device system 500 has melt oxidation waste heat boiler 511, reduction waste heat boiler 512, depth volatilization reduction
Waste heat boiler 513, oxidation dust-precipitator 521, reduction dust-precipitator 522, depth volatilization reduction dust-precipitator 523 and desulfuring and denitrifying apparatus
530。
In the second aspect of the utility model, it is comprehensive that the apparatus system according to the utility model proposes a kind of regenerated resources
The method of recycling.With reference to Fig. 2, according to the embodiment of the utility model regenerated resources comprehensive recovery device system, this method comprises:
(1) pretreatment of raw material and determine batching；(2) in three combination oven A furnaces to regenerated resources melt oxidation, enrichment obtain crude metal or
Metal oxide or metal sulfide；(3) clinker after melt oxidation is restored in three combination oven B furnaces, is further recycled
Valuable metal therein；(4) it further volatilizees in three combination oven C furnaces to the clinker after reduction and drastic reduction recycling is therein
Iron, and volatile metal is recycled such as from flue dust: lead, zinc, tin, antimony；(5) processing of flue gas and qualified discharge.
Embodiment according to the present utility model, this method comprises:
It pre-processes and determines metering dosage device system 100 to pretreatment of raw material and determine batching
In the step, regenerated resources are after the pretreatment such as disassembling, drying, the heat according to needed for melting, calcium silicon ratio, iron
The requirements such as silicon ratio carry out fuel and flux ingredient, and ingredient uses feed bin and devise a stratagem amount adhesive tape.
Specific embodiment according to the present utility model, above-mentioned regenerated resources can be to contain the valuable gold such as lead, copper, iron, zinc
The secondary resource of category, such as leaded dangerous waste, cupric dangerous waste, scum, alkaline residue.
Three combination oven A furnaces, 200 melt oxidation
In the step, raw material is added in molten bath from three combination oven A furnace furnace roofs, blasts oxygen-enriched air to furnace charge to the slag blanket in molten bath
Melt oxidation melting is carried out, crude metal, metal oxide and clinker, flue gas and flue dust are obtained.
Specific embodiment according to the present utility model, the oxygen-enriched air oxygen-containing 80% or more that melt oxidation blasts in the process, subtracts
Few unit material exhaust gas volumn, to reduce the heat loss that flue gas is taken away.
Specific embodiment according to the present utility model, fuel is added from top filling mouth for melt oxidation process and slag making is molten
Agent.
Specific embodiment according to the present utility model, the smelting temperature of three combination oven A furnace melt oxidations are 1000 ~ 1300 DEG C.
The reduction of three combination oven B furnaces 300
In the step, reduction melting is carried out in three combination oven B furnaces to the clinker after melt oxidation in three combination oven A furnaces, is obtained
Crude metal and clinker, flue gas and flue dust.
Specific embodiment according to the present utility model, the clinker after three combination oven A furnace melt oxidations pass through chute and flow into three
Furnace B furnace is added from furnace roof or side wall.
Specific embodiment according to the present utility model is added suitable reducing agent from three combination oven B furnace top filling mouths and makes
Slag flux；
Specific embodiment according to the present utility model, the reaction atmosphere of three combination oven B furnaces of control are reducing atmosphere, are contained in flue gas
There is CO, blast enough air in three combination oven B furnace upper furnace spaces, so that the CO in a flue gas is carried out secondary completely burned, keep away
Exempt from CO gas and enter waste heat boiler and subsequent smoke processing system, causes safety accident.
Specific embodiment according to the present utility model, the smelting temperature of three combination oven B furnaces reduction are 1000 ~ 1300 DEG C.
The volatilization reduction of three combination oven C furnaces, 400 depth
In the step, depth volatilization reduction melting is carried out in three combination oven C furnaces to the clinker after restoring in three combination oven B furnaces,
Obtain the pig iron, clinker, flue gas and flue dust.
Specific embodiment according to the present utility model, the clinker after the reduction of three combination oven B furnaces flow into three combination oven C by chute
Furnace is added from furnace roof or side wall.
Suitable reducing agent and mistake is added from three combination oven C furnace top filling mouths in specific embodiment according to the present utility model
The vulcanizing agent of amount makes the metals sulfiding volatilization such as Pb, Sn, Sb, Zn in clinker enter flue gas, oxygen during subsequent fume treatment
Formation flue dust is collected after changing, being cooling.
Further, vulcanizing agent is troilite cheap and easy to get.
Further, there are certain ratios between S amount and the metal of required volatilization contained in control addition troilite
Example relationship, specifically, S/Sn ratio is 0.4 ~ 0.6 to volatilization Sn metal.
The cold burden containing valuable metal, such as iron can be added to three combination oven C furnaces in specific embodiment according to the present utility model
Slag, alkaline residue etc., cold burden first melts, then volatilizees, restores.
Specific embodiment according to the present utility model, three CO concentration in flue gas of combination oven C furnace are 20 ~ 80%, pass through control
Strongly reducing atmosphere during depth volatilization reduction furnace, makes a large amount of iron in slag be reduced out.
Specific embodiment according to the present utility model blasts enough air in three combination oven C furnace upper furnace spaces, makes primary
CO in flue gas carries out secondary completely burned.
Specific embodiment according to the present utility model, three combination oven C furnace depth volatilization reduction melting temperature is 1400 DEG C ~ 1600
DEG C, guarantee metal and the good mobility of clinker.
Flue gas processing device system 500 is to fume treatment
Three combination oven A furnaces, three combination oven B furnaces, three combination oven C the furnaces equal output high-temperature flue gas in fusion process, contain in kiln gas out
N2、O2、H2O、SO2There is and carry flue dust, is collected in flue gas using the heat in waste heat boiler recovered flue gas, and using dust-precipitator
The flue dust of carrying.The processing for carrying out removing harmful substance is needed before flue gas emission, also to reach discharge standard.
Specific embodiment according to the present utility model, the flue gas processing method of three combination oven A furnaces are as follows: more than waste heat boiler recycling
--- cottrell collects flue dust --- desulphurization denitration --- qualified discharge to heat, and the flue dust of collection returns to three combination oven A furnaces.
Specific embodiment according to the present utility model, the flue gas processing method of three combination oven B furnaces are as follows: upper furnace space is secondary
--- --- bagroom collects flue dust --- desulphurization denitration --- qualified discharge to waste heat boiler recovery waste heat, collection for burning
Flue dust returns to three combination oven A furnaces.
Specific embodiment according to the present utility model, the flue gas processing method of three combination oven C furnaces are as follows: upper furnace space is secondary
--- --- bagroom collects flue dust --- desulphurization denitration --- qualified discharge to waste heat boiler recovery waste heat, collection for burning
Flue dust returns to three combination oven A furnaces.
Claims (4)
1. a kind of regenerated resources comprehensive recovery device system, it is characterized in that: recyclable device system includes: that pretreatment and devise a stratagem amount are matched
Expect apparatus system, three combination ovens and flue gas processing device system；It pre-processes and determines metering dosage device system and pass through transporter and three
Combination oven connection, the flue gas discharge opening of three combination ovens are connect with flue gas processing device system；The non-ferrous metal of recycling is smelted from three combination ovens
Metal discharge device outlet discharge.
2. a kind of regenerated resources comprehensive recovery device system according to claim 1, it is characterized in that: the pretreatment and
Determining metering dosage device system includes belt conveyor, and the transporter includes: A furnace belt conveyor, B furnace adhesive tape fortune
Defeated machine and C furnace belt conveyor；Three belt conveyor one end be located at pretreatment and determine metering dosage device system raw material it is defeated
Outlet, the other end connect with the feed opening of three stoves of three combination ovens respectively.
3. a kind of regenerated resources comprehensive recovery device system according to claim 1, it is characterized in that: the three combination oven packets
Include: three combination oven A furnaces, three combination oven B furnaces and three combination oven C furnaces, the structure of three stoves is identical, has a furnace body, includes: charging
Mouth, metal discharge device, flue gas discharge opening, slag emission mouth and slag emission chute；There are feed opening and cigarette in the upper end of furnace body
Gas outlet, feed opening are connect with the belt conveyor for pre-processing and determining metering dosage device system, flue gas discharge opening and flue gas
The reduction waste heat boiler of processing device system is connected；There is metal discharge device in the side of furnace body, respectively has one at two ends of furnace body
A slag emission mouth and clinker input port, are connected with slag emission chute on slag emission mouth；The clinker of three combination ovens passes through three
The slag emission chute of combination oven is from three combination oven A furnaces flow into three combination oven B furnaces, three combination oven B furnaces flow into three combination oven C furnaces, three combination oven C furnace furnaces
Slag discharges chute and exports clinker.
4. a kind of regenerated resources comprehensive recovery device system according to claim 1, it is characterized in that: the fume treatment
Apparatus system includes: melt oxidation waste heat boiler, reduction waste heat boiler, depth volatilization reduction waste heat boiler, oxidation dust-precipitator, goes back
Former dust-precipitator, depth volatilization reduction dust-precipitator and desulfuring and denitrifying apparatus；Melt oxidation waste heat boiler is connected with oxidation dust-precipitator,
Reduction waste heat boiler is connected with reduction dust-precipitator, and depth volatilization reduction waste heat boiler is connect with depth volatilization reduction dust-precipitator；
Aoxidize dust-precipitator, the output end of reduction dust-precipitator and depth volatilization reduction dust-precipitator while the input terminal phase with desulfuring and denitrifying apparatus
Connection.
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| CN108796233A (en) * | 2018-09-08 | 2018-11-13 | 江苏新春兴再生资源有限责任公司 | A kind of regenerated resources comprehensive recovery device system and recovery method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108796233A (en) * | 2018-09-08 | 2018-11-13 | 江苏新春兴再生资源有限责任公司 | A kind of regenerated resources comprehensive recovery device system and recovery method |
| CN108796233B (en) * | 2018-09-08 | 2024-03-15 | 江苏新春兴再生资源有限责任公司 | Comprehensive recycling device system and recycling method for renewable resources |
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