CN108611499A - Copper weld pool slag for comprehensive recovery method - Google Patents
Copper weld pool slag for comprehensive recovery method Download PDFInfo
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- CN108611499A CN108611499A CN201810411105.4A CN201810411105A CN108611499A CN 108611499 A CN108611499 A CN 108611499A CN 201810411105 A CN201810411105 A CN 201810411105A CN 108611499 A CN108611499 A CN 108611499A
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- slag
- copper
- chamber
- fuming
- sedimentation
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 384
- 239000010949 copper Substances 0.000 title claims abstract description 357
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 355
- 239000002893 slag Substances 0.000 title claims abstract description 280
- 238000000034 method Methods 0.000 title claims abstract description 147
- 238000011084 recovery Methods 0.000 title claims abstract description 50
- 238000003723 Smelting Methods 0.000 claims abstract description 177
- 230000009467 reduction Effects 0.000 claims abstract description 146
- 238000004062 sedimentation Methods 0.000 claims abstract description 125
- 241000722270 Regulus Species 0.000 claims abstract description 97
- 230000008569 process Effects 0.000 claims abstract description 84
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 239000002184 metal Substances 0.000 claims abstract description 72
- 239000003500 flue dust Substances 0.000 claims abstract description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 58
- 229910052725 zinc Inorganic materials 0.000 claims description 58
- 239000011701 zinc Substances 0.000 claims description 58
- 239000003795 chemical substances by application Substances 0.000 claims description 43
- 239000012141 concentrate Substances 0.000 claims description 41
- 239000007921 spray Substances 0.000 claims description 36
- 239000003638 chemical reducing agent Substances 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 22
- 229910052787 antimony Inorganic materials 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 18
- 230000002829 reductive effect Effects 0.000 claims description 18
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 17
- 238000007670 refining Methods 0.000 claims description 17
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 16
- 239000003245 coal Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 10
- 239000011028 pyrite Substances 0.000 claims description 10
- 229910052683 pyrite Inorganic materials 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 claims description 9
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical group [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 8
- 229910000906 Bronze Inorganic materials 0.000 claims description 7
- 239000010974 bronze Substances 0.000 claims description 7
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003345 natural gas Substances 0.000 claims description 5
- 239000003034 coal gas Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000000571 coke Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 11
- 230000010354 integration Effects 0.000 abstract description 4
- 238000006722 reduction reaction Methods 0.000 description 125
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 57
- 239000001301 oxygen Substances 0.000 description 57
- 229910052760 oxygen Inorganic materials 0.000 description 57
- 238000002844 melting Methods 0.000 description 27
- 230000008018 melting Effects 0.000 description 27
- 230000000694 effects Effects 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000000926 separation method Methods 0.000 description 19
- 238000001816 cooling Methods 0.000 description 18
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 17
- 239000002956 ash Substances 0.000 description 17
- 238000009867 copper metallurgy Methods 0.000 description 17
- 230000004907 flux Effects 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 15
- 239000000155 melt Substances 0.000 description 15
- 230000001590 oxidative effect Effects 0.000 description 15
- 239000007800 oxidant agent Substances 0.000 description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 13
- 239000003595 mist Substances 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 10
- 239000003546 flue gas Substances 0.000 description 10
- 239000010453 quartz Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 229910052717 sulfur Inorganic materials 0.000 description 10
- 239000011593 sulfur Substances 0.000 description 10
- 238000003672 processing method Methods 0.000 description 9
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 239000002699 waste material Substances 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 238000013019 agitation Methods 0.000 description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 238000007499 fusion processing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000003915 liquefied petroleum gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- HYXXTUOWDIJLPS-UHFFFAOYSA-N copper;sulfane Chemical compound S.[Cu+2] HYXXTUOWDIJLPS-UHFFFAOYSA-N 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 229940056319 ferrosoferric oxide Drugs 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241001124569 Lycaenidae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- -1 zinc therein Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/0052—Reduction smelting or converting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention provides a kind of copper weld pool slag for comprehensive recovery methods.This method uses CR stoves to carry out reduction fuming and sedimentation to smelting slag with the valuable metal in synthetical recovery smelting slag, and makes harmless slag；CR stoves include cavity, and cavity includes the reduction fuming chamber and sedimentation chamber being connected；Recycling smelting slag in valuable metal the step of include：Smelting slag is subjected to reduction fuming process in restoring fuming chamber, obtains valuable metal flue dust and reducing slag；And reducing slag is subjected to settlement treatment in sedimentation chamber, obtain copper matte regulus and harmless slag；Alternatively, smelting slag is carried out settlement treatment in sedimentation chamber, copper matte regulus and sedimentation slag are obtained；And sedimentation slag is subjected to reduction fuming process in restoring fuming chamber, obtain valuable metal flue dust and harmless slag.This method has carried out reduction fuming and settlement treatment by this integration apparatus of CR stoves to copper weld pool slag, disposably completes valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in smelting slag.
Description
Technical field
This application involves copper metallurgy fields, in particular to a kind of copper weld pool slag for comprehensive recovery method.
Background technology
Copper weld pool slag all uses slow cooling, broken, ore grinding, dense and flotation slag ore-dressing technique processing at present, output
Slag concentrate Returning smelting system, slag tailing are then abandoned or are taken out as building materials raw material.The technological process is tediously long, takes up a large area,
More importantly the valuable metals such as the zinc in slag, lead, antimony enter slag tailing, are not recycled utilization, cause valuable resource
Huge waste；And existing each heavy metal species itself can also cause in the beneficiation reagent and slag being added in slag ore dressing process
Environment potential pollution hidden danger.
Invention content
The main purpose of the application is to provide a kind of copper weld pool slag for comprehensive recovery method, to solve to recycle in the prior art
The problem that existing complex process, heavy metal can not be recycled effectively when copper weld pool slag, environmental pollution is serious.
To achieve the goals above, according to the one side of the application, a kind of copper weld pool slag for comprehensive recovery method is provided,
It uses CR stoves to carry out reduction fuming and sedimentation to smelting slag with the valuable metal in synthetical recovery smelting slag, and makes harmless slag；
Valuable metal includes one or more in lead, zinc and antimony；CR stoves include cavity, cavity include the reduction fuming chamber being connected and
Sedimentation chamber；Recycling smelting slag in valuable metal the step of include：Smelting slag is carried out in restoring fuming chamber at reduction fuming
Reason, obtains valuable metal flue dust and reducing slag；And reducing slag is subjected to settlement treatment in sedimentation chamber, obtain copper matte regulus and nothing
Evil slag；Alternatively, smelting slag is carried out settlement treatment in sedimentation chamber, copper matte regulus and sedimentation slag are obtained；And sedimentation slag is being restored
Reduction fuming process is carried out in fuming chamber, obtains valuable metal flue dust and harmless slag.
Further, it is additionally provided with partition wall in cavity, cavity is divided into reduction fuming chamber and sedimentation chamber, fuming restores cigarette
Change chamber and sedimentation chamber is located at the both sides of partition wall in the horizontal direction, and restores the communicating passage of fuming chamber and sedimentation chamber close to chamber
Body bottom is arranged.
Further, the step of reduction fuming process includes：Reducing agent is added into reduction fuming chamber to carry out reduction cigarette
Change is handled；It is preferred that the one kind or more of reducing agent in natural gas, coal gas, liquefied petroleum gas, iron powder and solid carbon based reductive
Kind, more preferable solid carbon based reductive is selected from being one or more in lump coal, fine coal and coke.
Further, in the step of restoring and be provided with side-blown spray gun in fuming chamber, restoring fuming process, side-blown spray gun is utilized
Reducing agent is blasted in reduction fuming chamber.
Further, the step of restoring in fuming chamber and be additionally provided with outlet flue, restoring fuming process further include：In reduction cigarette
Change and introduces Secondary Air at the top or outlet flue of chamber.
Further, in the step of restoring fuming process, reaction temperature is 1200~1400 DEG C.
When further, before restoring fuming process step and being located at settlement treatment step, in the same of reduction fuming process
When, trapping agent is added into reduction fuming chamber；When reduction fuming process step is located at after settlement treatment step, at sedimentation
While reason, the second vulcanizing agent and/or copper concentrate are added into sedimentation chamber.
Further, trapping agent be selected from the first vulcanizing agent and/or copper concentrate, preferably the first vulcanizing agent be selected from troilite and/
Or pyrite；It is preferred that the second vulcanizing agent is one or more in troilite, pyrite and refining lead bronze dross.
Further, the step of settlement treatment further includes：Inert gas and/or sulfur dioxide gas are blasted into sedimentation chamber
Body.
Further, isothermal holding is carried out to sedimentation chamber while settlement treatment.
Copper weld pool slag for comprehensive recovery method provided by the invention uses CR stoves to carry out reduction fuming and sedimentation to smelting slag
With the valuable metal in synthetical recovery smelting slag, and make harmless slag；Valuable metal includes one or more in lead, zinc and antimony；
CR stoves include cavity, and cavity includes the reduction fuming chamber and sedimentation chamber being connected；The step of recycling the valuable metal in smelting slag
Including：Smelting slag is subjected to reduction fuming process in restoring fuming chamber, obtains valuable metal flue dust and reducing slag；And it will
Reducing slag carries out settlement treatment in sedimentation chamber, obtains copper matte regulus and harmless slag；Alternatively, smelting slag is settled in sedimentation chamber
Processing obtains copper matte regulus and sedimentation slag；And sedimentation slag is subjected to reduction fuming process in restoring fuming chamber, obtain valuable gold
Belong to flue dust and harmless slag.
In the above method, by this integration apparatus of CR stoves, reduction fuming and settlement treatment have been carried out to copper weld pool slag,
This can effectively recycle valuable metal, such as metallic zinc, lead, antimony etc. in smelting slag.This just efficiently solves existing copper metallurgy
Valuable metal is lost in the problem of waste in technique, and avoids these and be lost in pollution problem of the metal to environment, disposable to complete
Valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in smelting slag.On the other hand, reduction cigarette is carried out to smelting slag
Change and settle instead of original slag beneficiation flowsheet, factory floor space is not only greatly reduced, keeps technological process simpler,
It is polluted caused by being also inherently eliminated the beneficiation reagent being added in slag beneficiation flowsheet.This method has industrialization well big
Sizable application foreground.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the CR stoves provided according to a kind of embodiment of the application.
Fig. 2 shows the structural schematic diagrams of the copper metallurgy system provided according to a kind of embodiment of the application.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, smelting furnace；20, copper stove is made；30, CR stoves；31, fuming chamber is restored；32, sedimentation chamber；33, partition wall；40, casting is set
It is standby.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It, can not there are complex process, heavy metal when recycling copper weld pool slag in the prior art as background technology is introduced
The effectively serious problem of recycling, environmental pollution.
To solve the above-mentioned problems, the present invention provides a kind of copper weld pool slag for comprehensive recovery methods, use CR stoves to molten
Refining slag carries out reduction fuming and sedimentation with the valuable metal in synthetical recovery smelting slag, and makes harmless slag；Valuable metal include lead,
It is one or more in zinc and antimony；CR stoves include cavity, and cavity includes the reduction fuming chamber and sedimentation chamber being connected；Recycle melting
The step of valuable metal in slag includes：Smelting slag is subjected to reduction fuming process in restoring fuming chamber, obtains valuable metal
Flue dust and reducing slag；And reducing slag is subjected to settlement treatment in sedimentation chamber, obtain copper matte regulus and harmless slag；Alternatively, by melting
Slag carries out settlement treatment in sedimentation chamber, obtains copper matte regulus and sedimentation slag；And sedimentation slag is restored in restoring fuming chamber
Fuming process obtains valuable metal flue dust and harmless slag.
In the above method, by this integration apparatus of CR stoves, reduction fuming and settlement treatment have been carried out to copper weld pool slag,
This can effectively recycle valuable metal, such as metallic zinc, lead, antimony etc. in smelting slag.This just efficiently solves existing copper metallurgy
Valuable metal is lost in the problem of waste in technique, and avoids these and be lost in pollution problem of the metal to environment, disposable to complete
Valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in smelting slag.On the other hand, reduction cigarette is carried out to smelting slag
Change and settle instead of original slag beneficiation flowsheet, factory floor space is not only greatly reduced, keeps technological process simpler,
It is polluted caused by being also inherently eliminated the beneficiation reagent being added in slag beneficiation flowsheet.This method has industrialization well big
Sizable application foreground.
Above-mentioned CR stoves are integrated recovery furnace, simultaneously including reduction fuming chamber and sedimentation chamber.In the first processing mode
In, reduction fuming process, settlement treatment successively have been carried out to smelting slag.When smelting slag is carried out reduction fuming process, it can incite somebody to action
Armco magnetic iron (ferroso-ferric oxide) in smelting slag is reduced to ferrous oxide and carries out slag making, can reduce the viscosity of smelting slag in this way,
To improve subsequent sedimentation separation effect, detached from reducing slag convenient for the second copper matte regulus.Meanwhile the valuable metals such as zinc, lead, antimony
After oxide is reduced to metal, it is converted into valuable metal flue gas because it is with effumability and is separated, to reach
The purpose of recycling valuable metal.After restoring fuming process, obtain reducing slag (be in flowable state) and enter in sedimentation chamber to be settled
Separation, obtains the second copper matte regulus and harmless slag.More importantly, the reducing slag after restoring fuming process is directly entered sedimentation separation,
On the one hand treatment effeciency can be significantly improved；On the other hand since reducing slag is directly entered settlement treatment, it can keep more steady
Surely fluidised form, and only have small temperature change in the process even without temperature change, both sides reason makes it have
Better effect of settling can further increase the rate of recovery of the second copper matte regulus.
For second of processing mode, be by settlement treatment setting the reduction fuming process the step of before.In this way, can
It after first separating the copper matte regulus in smelting slag, restores again and fuming process, further recycles zinc therein, lead, antimony
Equal valuable metals.
It should be noted that compared to the mode for restoring fuming process afterwards is first settled, the present invention is more preferably used and is first restored
The mode of settlement treatment after fuming.For first restoring the mode of settlement treatment after fuming, the advantage is that：The temperature of sedimentation separation
Higher, separating effect is better.And the temperature for restoring fuming needs is very high (1200~1400 DEG C), therefore, after first restoring fuming
Material self-temperature is very high, and separation can be realized in subsidence stage by being not required to additionally heat.Certainly, it is settled after this first reduction fuming
The mode of processing can also carry out concurrent heating to settlement treatment.However, restoring the mode of fuming after first sedimentation separation, then must
Concurrent heating is carried out during settlement treatment.Specific concurrent heating mode can be as follows：Can settling section electrode (such as can be with
3~6 electrodes are set) heating or heat preservation, and/or set submersible burning nozzle (submersible burning nozzle sprays fuel and oxygen,
The amount control of oxygen makes non-complete combustion of fuel state).In addition, first restoring the mode of settlement treatment after fuming also with as follows
Advantage：Reducing slag stops the sedimentation layering that can more fully realize slag sulfonium after a certain period of time in sedimentation chamber, and harmless slag is put from top
Go out, the second copper matte regulus is released from lower part.
In specific operation, can repeatedly reduction fuming and precipitation step successively be carried out to smelting slag, can also will melted
Refining slag is divided into multi-section point and carries out reduction fuming and precipitation step respectively.This is those skilled in the art's introduction energy according to the present invention
Enough expect, details are not described herein.
In a preferred embodiment, it is additionally provided with partition wall in cavity, cavity is divided into reduction fuming chamber and sunk
Chamber drops, and fuming reduction fuming chamber and sedimentation chamber are located at the both sides of partition wall in the horizontal direction, and restore fuming chamber and sedimentation chamber
Communicating passage close to cavity bottom be arranged.In this way, the melt with mobility reacted in restoring fuming chamber
And between carrying out the melt of settlement treatment in sedimentation chamber, it can realize and more stably flow, and partition wall can block reduction fuming
The buoyant of agitation and surface in chamber, to further increase the effect of settlement treatment.
In a preferred embodiment, the step of reduction fuming process includes：Reduction is added into reduction fuming chamber
Agent is to carry out reduction fuming process；It is preferred that reducing agent is selected from natural gas, coal gas, liquefied petroleum gas, iron powder and the carbon-based reduction of solid
One or more in agent, more preferable solid carbon based reductive is selected from being one or more in lump coal, fine coal and coke.It selects
The reagent carries out reduction fuming process, more thorough for the recycling of valuable metal.In actual mechanical process, while to reduction
Oxidant is sprayed into fuming chamber, to provide heat by burning, simultaneous oxidation agent is also possible to react one oxidation of generation with reducing agent
The reducing gas such as carbon play reduction together with the reducing agent of addition.
In a preferred embodiment, the step of restoring and be provided with side-blown spray gun in fuming chamber, restoring fuming process
In, reducing agent is blasted in reduction fuming chamber using side-blown spray gun.It is highly preferred that it is additionally provided with outlet flue in reduction fuming chamber,
Restore fuming process the step of further include：Secondary Air is introduced at the top of reduction fuming chamber or outlet flue.It can incite somebody to action in this way
Valuable metal flue gas is oxidized to valuable metal oxide, carries out off-gas recovery afterwards.
In a preferred embodiment, in the step of restoring fuming process, reaction temperature is 1200~1400 DEG C.More
When preferably, before restoring fuming process step and being located at settlement treatment step, while restoring fuming process, to reduction cigarette
Change in chamber and trapping agent is added；It is preferred that trapping agent is selected from the first vulcanizing agent and/or copper concentrate, more preferable first vulcanizing agent is selected from sulphur iron
Mine and/or pyrite.When reduction fuming process step is located at after settlement treatment step, while settlement treatment, Xiang Chen
The second vulcanizing agent and/or copper concentrate are added in drop chamber, preferably the second vulcanizing agent is in troilite, pyrite and refining lead bronze dross
It is one or more.
Vulcanizing agent and/or copper concentrate is added, advantageously reduces the matte grade in smelting slag, it is made to be changed into low-grade copper
Sulfonium can reduce the copper content in harmless slag, further increase the rate of recovery of copper in this way.And it is located in reduction fuming process step
In mode after settlement treatment step, because sedimentation slag can also carry out subsequent reduction fuming step and be recycled, thus can
Using using refining lead bronze dross as waste residue be used as vulcanizing agent, lead therein can also in restoring fuming step with settle slag in
Lead volatilize and recycle together, can make full use of the difficult miscellaneous material generated in some production processes in this way, realize that resource is comprehensive
It closes and utilizes, and do not increase additional equipment investment and process procedure.
It is highly preferred that the step of settlement treatment, further includes：Inert gas and/or sulfur dioxide gas are blasted into sedimentation chamber
Body.Faint agitation can be formed in this way, this is conducive to the separation of copper and slag.Sulfur dioxide gas more preferably is blasted, in addition to
Outside agitaion, the effect of partial vulcanization agent is also acted as, is more advantageous to and makes low-grade copper matte regulus in subsidence stage.
In a preferred embodiment, isothermal holding is carried out to sedimentation chamber while settlement treatment.
In the prior art in addition to needing large area slag slow cooling field and complicated slag ore dressing link to the processing of smelting slag, increase
Construction cost and technical sophistication degree, and there are problems that valuable metal loss waste, pollution environment, entire copper smelting method is also deposited
In the tediously long problem of flow.It is as above in order to solve the problems, such as, present applicant proposes a kind of short route copper smelting method, the copper metallurgy used
Device includes smelting furnace, make copper stove, CR stoves, the first chute and the second chute；Smelting furnace is provided with copper matte regulus outlet and smelting slag goes out
Mouthful；It makes copper stove and is provided with copper matte regulus entrance, copper matte regulus entrance passes through the first chute and copper matte regulus outlet；CR stoves are provided with smelting slag and enter
Mouthful, smelting slag entrance passes through the second chute and smelting slag outlet；Short route copper smelting method includes the following steps：By copper concentrate
Melting is carried out in smelting furnace, obtains the first copper matte regulus and smelting slag；The first copper matte regulus is carried out in making copper stove to make copper reaction, is generated
Anode copper and make copper ashes；And reduction fuming and sedimentation are carried out with valuable in synthetical recovery smelting slag to smelting slag in CR stoves
Metal, and make harmless slag；Valuable metal includes one or more in lead, zinc and antimony；Short route copper smelting method is completed at the same time
Valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in output anode copper, smelting slag.The above method compares existing skill
Art, main-process stream greatly shorten, and are conducive to reduce construction cost, reduce technical sophistication degree, and realize resource comprehensive utilization and disappear
In addition to environmentally friendly hidden danger.
" harmless slag " described herein refers to：It will not cause the slag of heavy metal pollution.
CR stove full name are to recycle (completely recycle) stove comprehensively.
In the above method, after obtaining smelting slag, melting can be recycled by carrying out reduction fuming and sedimentation to smelting slag
Valuable metal in slag, such as metallic zinc, lead, antimony etc..This just efficiently solves valuable metal in existing copper metallurgy technique and is lost in
The problem of waste, and avoid these and be lost in pollution problem of the metal to environment；On the other hand, reduction fuming is carried out to smelting slag
With sedimentation instead of original slag beneficiation flowsheet, factory floor space is not only greatly reduced, keeps technological process simpler, also
It is polluted caused by being inherently eliminated the beneficiation reagent being added in slag beneficiation flowsheet.At the same time, it should be noted that this hair
Bright above-mentioned copper smelting method uses the copper smelting device that a load chooses formula, and copper directly by chute and is made in the copper matte regulus end of smelting furnace
Stove is connected to, and the slag output end of smelting furnace is directly connected to by chute with CR stoves, short route copper metallurgy is realized, has been completed at the same time output
Valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in anode copper, smelting slag have industrialization well extensive
Application prospect.
In a preferred embodiment, include the step of progress melting in smelting furnace by copper concentrate：By copper concentrate
It is mixed with the first flux, obtains mixture；Mixture is put into smelting furnace, melting is carried out under the action of the first oxidant,
Obtain the first copper matte regulus and smelting slag.Preferably, bottom-blown smelting method or side-blown smelting process are used in fusion process.Utilize bottom-blown smelting
Method or side-blown smelting process, can further increase matte grade.It is highly preferred that the first flux is selected from quartz and/or lime stone；
First oxidant is one or more in oxygen, compressed air and oxygen-enriched air.
" oxygen-enriched air " described herein refer to oxygen concentration be more than air in oxygen concentration gas, such as can by
Oxygen is mixed in air to obtain.
In a preferred embodiment, copper concentrate was carried out in smelting furnace in the step of melting, the first oxidant
Straying quatity be copper concentrate per ton correspond to 120Nm3The above O2So that the copper content of the first copper matte regulus is more than or equal to 70wt%.By
The straying quatity control of one oxidant is that copper concentrate per ton corresponds to 120Nm3The above O2, can make the first copper matte regulus copper content be more than
Equal to 70wt%, can be prevented in this way to avoid Cu-S ore amount problem bigger than normal is made caused by the copper content of the first copper matte regulus is too low
The low problem of the copper direct yield that brings by it.The straying quatity of more preferable first oxidant be copper concentrate per ton correspond to 120~
200Nm3O2So that the copper content of the first copper matte regulus is 70~78wt%, this can further avoid the copper content mistake because of the first copper matte regulus
Smelting slag copper caused by height is containing excessively high problem, the problem that prevents the copper direct yield therefore brought low.In addition, copper matte regulus cupric is 70
When~78%, the elements such as lead zinc antimony enter smelting slag in the form of an oxide, are conducive to subsequently recycle these elements from CR stoves.If copper
Sulfonium cupric is low, and when such as 40~50%, a part for these elements can stay in copper matte regulus, is unfavorable for subsequently recycling from CR stoves.
In a preferred embodiment, copper concentrate was carried out in smelting furnace in the step of melting, it will be after cooling
It makes in copper ashes input smelting furnace and carries out melting processing together with copper concentrate.Copper ashes is made by the way that addition is after cooling, can be alleviated molten
Problems of excessive heat during refining can make fusion process be easier to carry out under higher oxygen-rich concentration, and therefore reduce and generate
Exhaust gas volumn.
In addition to this, the smelting temperature preferably in fusion process is 1150~1300 DEG C, and the addition of the first flux is institute
State the 1~20% of copper mine total weight.
It is above-mentioned to make copper reaction to direct output anode copper.In a preferred embodiment, in making copper stove
One copper matte regulus carries out making the step of copper reacts：While cold burden being added in copper stove to making, and/or spray into water to making in copper stove
Mist, and/or cooling element is set outside the furnace body for making copper stove；Wherein cold burden includes copper scap, adopting electrolysis residual pole copper and In Crystal Solid Copper
It is one or more in sulfonium.
To shorten flow, CN103382528 proposes a kind of two step copper metallurgy techniques, and the technique is first in smelting furnace by copper essence
Mine is smelted into the matte of cupric 65~78%, and redox reaction is then carried out in converting furnace directly produces anode copper.The party
Method is primarily present thermal balance question, and the smoke problem brought by it：Redox reaction in converting furnace releases big calorimetric,
These heat must be taken away by certain mode to maintain thermal balance；The technique is passed through by the amount of adjusting oxygen, air, nitrogen
Gas takes away reaction heat, therefore the gas gross sprayed into must be more, and opposite oxygen concentration is necessarily relatively low, this allows for flue gas
Amount is very big, and sulfur dioxide in flue gas content is very low.Therefore, follow-up smoke processing system and acid making system scale are big, investment is big,
Operating cost is high.Meanwhile penetrating is large-minded, also results in that the agitation of entire melt is more violent, and the kinetic energy that melt washes away furnace lining is big,
The stove longevity is short.In addition, the patent is nor of how make the discard slag with copper in smelting furnace reach 65~78%.
Unlike the thermal balance mode in above-mentioned patent, is used in the present invention and cold burden is added in copper stove to making, and/
Or water mist is sprayed into copper stove to making, and/or the thermal balance mode of cooling element is set outside the furnace body for making copper stove.Each mode
Advantage is as follows：
For the mode of cold burden is added：It is exothermic reaction due to making the reaction occurred in copper stove, cold burden is added and is conducive to reality
Existing thermal balance, while the heat melts cold burden released using reaction, make full use of heat.The cold burden of addition can be copper scap,
It is one or more in adopting electrolysis residual pole copper and solid-state copper matte regulus.In the factory of copper metallurgy at present, all using the fusing of individual metallurgical furnace, refining
The secondary coppers materials such as copper scap, adopting electrolysis residual pole copper, this not only needs additional fuel to heat cold burden, it is often more important that needs to purchase
It sets individual equipment, build individual workshop, the individual worker of configuration, considerably increase factory's operating cost.And use this hair
Bright the above embodiment has not only handled copper scap, adopting electrolysis residual pole copper in the case where additionally not increasing equipment, workshop, personnel
Equal materials, also save the energy, the resource of melting materialss needs, and economic benefit is very notable.In short, utilizing the affluence for making copper stove
Heat melts composition brass reduces the processing cost of composition brass.
For the mode of furnace body cooling element is arranged：It is preferred that using water jacket, this realizes that furnace body heat is flat also for heat dissipation
Weighing apparatus.
For spraying into the mode of water mist：It, can be smaller in final tolerance since water absorbs big calorimetric in gasification
In the case of take away more heats, making to make copper reaction can carry out under the conditions of high oxygen-enriched air converting, and the blowing of high oxygen-rich concentration is just
It solves in the patents such as CN103382528 using the above problem caused by the blowing of low oxygen-rich concentration.In addition, spray into water mist also just like
Lower advantage：1) furnace temperature is more effectively controlled.Since the gasification of water can absorb big calorimetric, spraying into the small change of water can draw
The large change of heat is played, therefore can more accurately and effectively control furnace temperature；2) extend service life of lance.Due to high oxygen-enriched air converting
It is efficient, spray gun spray into tolerance than low oxygen-rich concentration blow it is few, the working strength of spray gun is low, and the cooling effect of water
The service life of spray gun itself can also be extended；3) by taking 40% oxygen-rich concentration as an example, smelting intensity can be than low oxygen-rich concentration
(21%~25%) nearly 1 times high.Inventory identical in exhaust gas volumn, that high oxygen-rich concentration (such as 40%) can be handled
Want nearly 1 times high；4) low energy consumption, and power consumption is low.The unit scale that the power ratio of Water spraying device blasts air is much smaller.
Just because of the above-mentioned thermal balance mode of the present invention so that making copper stove and can blow in high oxygen-rich concentration in the present invention
Under conditions of carry out.In a preferred embodiment, in the step of carrying out making copper reaction, oxygen-enriched sky is sprayed into making copper stove
The first copper matte regulus of gas pair carry out oxidation processes, with make copper reaction, and in oxygen-enriched air oxygen percent by volume be 30~
80%.Although CN103382528 mentions converting furnace oxygen concentration 9~60%, since it is to take away heat, actual oxygen by gas
Concentration can be only sustained at 25% hereinafter, high oxygen-rich concentration can not be realized really.And above-mentioned thermal balance means are relied in the present invention, it is complete
30~80% oxygen-enriched air concentration all can enough be reached.
In a preferred embodiment, it in the step of making copper reaction, after the step of carrying out oxidation processes, obtains
Metallic copper and make copper ashes；When make in the metallic copper in copper stove it is oxygen-containing less than 0.2wt% when, will make copper ashes discharge make copper stove, obtain
Anode copper；When make in the metallic copper in copper stove it is oxygen-containing higher than 0.2wt% when, will make after copper ashes discharge makes copper stove, to making in copper stove
Reducing agent is passed through to carry out reduction reaction to the Cu oxide impurity in metallic copper, and then obtains anode copper.
The purpose for making copper reaction be by the first copper matte regulus element sulphur and other impurities removal, obtain qualified anode copper.
And dedoping step is mainly to be removed the oxidation of impurities slag making in copper using oxidation reaction.It is oxygen-containing in the metallic copper in copper stove when making
When less than 0.2wt%, on the one hand show that impurity by more fully oxidized and enter and make in copper ashes, on the other hand shows that copper-based does not have
Have by peroxidating.The technique not restored only is aoxidized at this point, being used in making copper reaction process in the present invention, you can directly obtains sun
Pole copper.When make in the metallic copper in copper stove it is oxygen-containing higher than 0.2wt% when, show removal of impurities while, there is part copper to be aoxidized.This
When reducing agent can further be added, by these Cu oxide impurity carry out reduction reaction.And the present invention will make copper ashes discharge
It makes copper stove and carries out reduction reaction later, additionally it is possible to it is returned in molten time metallic copper by the impurity of oxidative slagging before preventing, so as to
It is further ensured that the grade of anode copper.
In a preferred embodiment, in the step of carrying out oxidation processes to the first copper matte regulus in making copper stove, by the
Two flux are added from the top for making copper stove；Meanwhile by the way of bottom blowing to make in copper stove spray into oxygen-enriched air carry out at oxidation
Reason, or optionally spray into the first reducing agent and carry out reduction reaction.Preferably, the second flux is selected from quartz and/or lime stone.It is excellent
Selection of land, the first reducing agent is one or more in natural gas, liquefied petroleum gas and solid carbon based reductive, preferably solid carbon
Base reductant is fine coal and/or solid carbonaceous reductant.Process above and reagent can further increase the effect for making copper reaction
Fruit.
The effect of above-mentioned CR stoves is the valuable metal recycled by reduction fuming and sedimentation in smelting slag, and makes harmless slag.
In a preferred embodiment, CR stoves include cavity, and cavity includes the reduction fuming chamber and sedimentation chamber being connected；Recycling is molten
Refining slag in valuable metal the step of include：Smelting slag is subjected to reduction fuming process in restoring fuming chamber, obtains valuable gold
Belong to flue gas and reducing slag, and reducing slag is subjected to settlement treatment in sedimentation chamber, obtains the second copper matte regulus and harmless slag；Or it will
Smelting slag carries out settlement treatment in sedimentation chamber, obtains the second copper matte regulus and sedimentation slag, and will settle slag in restoring fuming chamber
Reduction fuming process is carried out, valuable metal flue gas and harmless slag are obtained.
Above-mentioned CR stoves are integrated recovery furnace, simultaneously including reduction fuming chamber and sedimentation chamber.In the first processing mode
In, reduction fuming process, settlement treatment successively have been carried out to smelting slag.When smelting slag is carried out reduction fuming process, it can incite somebody to action
Armco magnetic iron (ferroso-ferric oxide) in smelting slag is reduced to ferrous oxide and carries out slag making, can reduce the viscosity of smelting slag in this way,
To improve subsequent sedimentation separation effect, detached from reducing slag convenient for the second copper matte regulus.Meanwhile the valuable metals such as zinc, lead, antimony
After oxide is reduced to metal, it is converted into valuable metal flue gas because it is with effumability and is separated, to reach
The purpose of recycling valuable metal.After restoring fuming process, obtain reducing slag (be in flowable state) and enter in sedimentation chamber to be settled
Separation, obtains the second copper matte regulus and harmless slag.More importantly, the reducing slag after restoring fuming process is directly entered sedimentation separation,
On the one hand treatment effeciency can be significantly improved；On the other hand since reducing slag is directly entered settlement treatment, it can keep more steady
Surely fluidised form, and only have small temperature change in the process even without temperature change, both sides reason makes it have
Better effect of settling can further increase the rate of recovery of the second copper matte regulus.
For second of processing mode, be by settlement treatment setting the reduction fuming process the step of before.In this way, can
It after first separating the copper matte regulus in smelting slag, restores again and fuming process, further recycles zinc therein, lead, antimony
Equal valuable metals.
It should be noted that compared to the mode for restoring fuming process afterwards is first settled, the present invention is more preferably used and is first restored
The mode of settlement treatment after fuming.For first restoring the mode of settlement treatment after fuming, the advantage is that：The temperature of sedimentation separation
Higher, separating effect is better.And the temperature for restoring fuming needs is very high (1200~1400 DEG C), therefore, after first restoring fuming
Material self-temperature is very high, and separation can be realized in subsidence stage by being not required to additionally heat.Certainly, it is settled after this first reduction fuming
The mode of processing can also carry out concurrent heating to settlement treatment.However, restoring the mode of fuming after first sedimentation separation, then must
Concurrent heating is carried out during settlement treatment.Specific concurrent heating mode can be as follows：Can settling section electrode (such as can be with
3~6 electrodes are set) heating or heat preservation, and/or set submersible burning nozzle (submersible burning nozzle sprays fuel and oxygen,
The amount control of oxygen makes non-complete combustion of fuel state).In addition, first restoring the mode of settlement treatment after fuming also with as follows
Advantage：Reducing slag stops the sedimentation layering that can more fully realize slag sulfonium after a certain period of time in sedimentation chamber, and harmless slag is put from top
Go out, the second copper matte regulus is released from lower part.
In specific operation, can repeatedly reduction fuming and precipitation step successively be carried out to smelting slag, can also will melted
Refining slag is divided into multi-section point and carries out reduction fuming and precipitation step respectively.This is those skilled in the art's introduction energy according to the present invention
Enough expect, details are not described herein.
In a preferred embodiment, it is additionally provided with partition wall in cavity, cavity is divided into reduction fuming chamber and sunk
Chamber drops, and fuming reduction fuming chamber and sedimentation chamber are located at the both sides of partition wall in the horizontal direction, and restore fuming chamber and sedimentation chamber
Communicating passage close to cavity bottom be arranged.In this way, the melt with mobility reacted in restoring fuming chamber
And between carrying out the melt of settlement treatment in sedimentation chamber, it can realize and more stably flow, and partition wall can block reduction fuming
The buoyant of agitation and surface in chamber, to further increase the effect of settlement treatment.
In a preferred embodiment, the step of reduction fuming process includes：It is added second into reduction fuming chamber
Reducing agent is to carry out reduction fuming process；It is preferred that the second reducing agent is selected from natural gas, coal gas, liquefied petroleum gas, iron powder and solid
One or more in carbon based reductive, it is lump coal and/or fine coal that more preferable solid carbon based reductive, which is selected from,.Select the reagent into
Row reduction fuming process, it is more thorough for the recycling of valuable metal.In actual mechanical process, while into reduction fuming chamber
Oxidant is sprayed into, to provide heat by burning, simultaneous oxidation agent, which is also possible to react with reducing agent, generates the reduction such as carbon monoxide
Gas plays reduction together with the reducing agent of addition.
In a preferred embodiment, the step of restoring and be provided with side-blown spray gun in fuming chamber, restoring fuming process
In, the second reducing agent is blasted in reduction fuming chamber using side-blown spray gun.It is highly preferred that being additionally provided with smoke in reduction fuming chamber
Mouthful, restore fuming process the step of further include：Secondary Air is introduced at the top of reduction fuming chamber or outlet flue.It in this way can be with
Valuable metal flue gas is oxidized to valuable metal oxide, carries out off-gas recovery afterwards.
In a preferred embodiment, in the step of restoring fuming process, reaction temperature is 1200~1400 DEG C.More
When preferably, before restoring fuming process step and being located at settlement treatment step, while restoring fuming process, to reduction cigarette
Change in chamber and trapping agent is added；It is preferred that trapping agent is selected from the first vulcanizing agent and/or copper concentrate, more preferable first vulcanizing agent is selected from sulphur iron
Mine and/or pyrite.When reduction fuming process step is located at after settlement treatment step, while settlement treatment, Xiang Chen
The second vulcanizing agent and/or copper concentrate are added in drop chamber, preferably the second vulcanizing agent is in troilite, pyrite and refining lead bronze dross
It is one or more.
Vulcanizing agent and/or copper concentrate is added, advantageously reduces the matte grade in smelting slag, it is made to be changed into low-grade copper
Sulfonium (the second copper matte regulus), can reduce the copper content in harmless slag, further increase the rate of recovery of copper in this way.And at reduction fuming
It manages in the mode after step is located at settlement treatment step, because sedimentation slag can also carry out subsequent reduction fuming step and be returned
Receive, thus may be used refining lead bronze dross as waste residue can also be in restoring fuming step as vulcanizing agent, lead therein
It volatilizees and recycles together with the lead in sedimentation slag, the difficult miscellaneous material generated in some production processes can be made full use of in this way,
It realizes comprehensive utilization of resources, and does not increase additional equipment investment and process procedure.
It is highly preferred that the step of settlement treatment, further includes：Inert gas and/or sulfur dioxide gas are blasted into sedimentation chamber
Body.Faint agitation can be formed in this way, this is conducive to the separation of copper and slag.Sulfur dioxide gas more preferably is blasted, in addition to
Outside agitaion, the effect of partial vulcanization agent is also acted as, is more advantageous to and makes low-grade copper matte regulus in subsidence stage.
In a preferred embodiment, after the step of obtaining the second copper matte regulus, copper smelting method further includes by second
Copper matte regulus Returning smelting stove carries out the step of melting.The utilization rate of copper can be improved in this way.
In a preferred embodiment, after the step of obtaining the second copper matte regulus, copper smelting method further includes by second
The step of copper stove carries out making copper is made in copper matte regulus return.The utilization rate of copper can be improved in this way.Since the second copper matte regulus is usually with cooling
State (and second copper matte regulus of solid-state) is added, therefore can also play the role of thermally equilibrated.
In a preferred embodiment, in the step of carrying out making copper reaction to the first copper matte regulus, obtained copper is molten for copper
Body；After the step of making copper reaction, above-mentioned copper smelting method further includes the steps that carrying out cast molding to copper melts.It in this way can be with
Further copper melts are cast to form the products such as copper anode plate.
According to another aspect of the present invention, a kind of copper metallurgy system is additionally provided, as shown in Fig. 2, the copper metallurgy system includes molten
Furnace 10 makes copper stove 20, CR stoves 30 (CR stoves 30 are as shown in Figure 1), the first chute and the second chute；Wherein smelting furnace 10 for pair
Copper concentrate carries out melting with the first copper matte regulus of output and smelting slag；Smelting furnace 10 is provided with the outlet of the first copper matte regulus and smelting slag outlet；
It makes copper stove 20 and is provided with copper matte regulus entrance, copper matte regulus entrance is exported with the first copper matte regulus and is connected to by the first chute, is made copper stove 20 and is used for pair
First copper matte regulus carries out making copper reaction, generates anode copper and makes copper ashes；CR stoves 30 are provided with smelting slag entrance, are exported with smelting slag
It is connected to by the second chute, for carrying out reduction fuming and sedimentation to smelting slag to recycle the valuable metal in smelting slag.
In above-mentioned apparatus, melting can be carried out to copper mine using smelting furnace 10, obtain the first copper matte regulus and smelting slag.It is obtaining
After smelting slag, reduction fuming and sedimentation can be carried out to smelting slag using CR stoves 30, and then can recycle valuable in smelting slag
Metal, such as metallic zinc, lead, antimony etc..This just solves the problems, such as that valuable metal is lost in waste in existing copper metallurgy technique,
And it avoids these and is lost in pollution problem of the metal to environment；On the other hand, reduction fuming is carried out to smelting slag and sedimentation replaces
Original slag beneficiation flowsheet, is not only greatly reduced factory floor space, keeps technological process simpler, also fundamentally disappear
In addition to being polluted caused by the beneficiation reagent that is added in slag beneficiation flowsheet.At the same time, it should be noted that above-mentioned refining of the invention
Copper device, CR stoves 30 are connected to the slag output end of smelting furnace 10, are made copper stove 20 and are connected to the copper matte regulus end of smelting furnace 10.In this way by copper
Mine carries out after melting obtains the first copper matte regulus and smelting slag, on the one hand by the first copper matte regulus make copper reaction treatment generate grade compared with
On the one hand the smelting slag of output in fusion process is recycled by high anode copper again, that is, the load used chooses formula
Copper smelting device, the step of highly shortened Copper making, have industrialization large-scale application foreground well.
In a preferred embodiment, CR stoves 30 be arranged in parallel or series it is multiple.In this way, multiple CR stoves 30 are adopted
With working continuously or the second copper matte regulus of alternately operating mode output, valuable metal and the broken harmless slag of water, treatment effeciency can be improved.When
So, multiple 30 tandems of CR stoves can also be utilized to handle smelting slag, to further increase treatment effect.Details are not described herein.
In a preferred embodiment, CR stoves 30 include cavity, and cavity includes 31 He of reduction fuming chamber being connected
Sedimentation chamber 32, reduction fuming chamber 31 and smelting slag outlet restore fuming chamber for carrying out reduction fuming process to smelting slag
Exhanst gas outlet is provided on 31, sedimentation chamber 32 is connected to reduction fuming chamber 31, for the reducing slag after reduction and fuming process
Settlement treatment is carried out, and sedimentation chamber 32 is provided with the outlet of the second copper matte regulus and slag-drip opening (as shown in Figure 1)；Alternatively, CR stoves 30 include
Cavity, cavity include the reduction fuming chamber 31 being connected and sedimentation chamber 32, sedimentation chamber 32 and smelting slag outlet, for molten
It refines slag and carries out settlement treatment, and sedimentation chamber 32 is provided with the outlet of the second copper matte regulus, reduction fuming chamber 31 is connected to sedimentation chamber 32, is used for
Reduction and fuming process are carried out to the sedimentation slag after settlement treatment, exhanst gas outlet and slag-drip opening are provided on reduction fuming chamber 31.
In this way, CR stoves 30 provided by the invention are integrated equipment, include 31 He of reduction fuming chamber being connected simultaneously
Sedimentation chamber 32, the connection relation of selective reduction fuming chamber 31 and sedimentation chamber 32, in that case it can be decided that fuming is first restored, it is rear to settle；Or
It first settles, restores fuming afterwards.
It, can be to molten when sedimentation chamber 32 is connected to reduction fuming chamber 31 when reduction fuming chamber 31 and smelting slag outlet
Refining slag first carries out reduction fuming process, carries out settlement treatment afterwards.It, can be by melting when smelting slag is carried out reduction and fuming process
Armco magnetic iron (ferroso-ferric oxide) in slag is reduced to ferrous oxide and carries out slag making, can reduce the viscosity of smelting slag in this way, to
Subsequent sedimentation separation effect is improved, is detached from reducing slag convenient for the second copper matte regulus.Meanwhile the valuable metals such as zinc, lead, antimony aoxidize
It after object is reduced to metal, is converted into valuable metal flue gas because it is with effumability and is separated, to reach time
Receive the purpose of valuable metal.After restoring fuming process, obtained reducing slag (being in flowable state), which enters in sedimentation chamber, carries out sedimentation point
From further obtaining the second copper matte regulus and harmless slag.More importantly, using integration apparatus, the melting after restoring fuming process
Slag is directly entered sedimentation separation, on the one hand can significantly improve treatment effeciency；Another aspect is heavy since reducing slag is directly entered
Drop processing, can keep more stably fluidised form, and only have small temperature change in the process even without temperature change, and two
The reason of aspect, makes it have better effect of settling, can further increase the rate of recovery of the second copper matte regulus.
It, can be to molten when sedimentation chamber 32 is connected to reduction fuming chamber 31 when reduction fuming chamber 31 and smelting slag outlet
Refining slag first carry out settlement treatment, after carry out reduction fuming process.In this way, after can first separating the copper matte regulus in smelting slag,
The fuming process stage is restored again, the valuable metals such as zinc therein, lead, antimony are further recycled.It should be noted that compared to
The mode for restoring fuming process afterwards is first settled, the present invention is more preferably after first restoring fuming by the way of settlement treatment.For elder generation
The mode of settlement treatment, the advantage is that after reduction fuming：The temperature of sedimentation separation is higher, and separating effect is better.And restore cigarette
It is very high (1200~1400 DEG C) to change the temperature needed, therefore, the material self-temperature first restored after fuming is very high, is not required to additionally add
Heat can be realized in subsidence stage and be detached.Certainly, it is this first restore fuming after settlement treatment mode, can also be to settlement treatment
Carry out concurrent heating.However, restoring the mode of fuming after first sedimentation separation, then concurrent heating must be carried out during settlement treatment.
Specific concurrent heating mode can be as follows：It can heat or keep the temperature in settling section electrode (for example 3~6 electrodes can be arranged),
And/or it sets submersible burning nozzle (submersible burning nozzle sprays fuel and oxygen, and the amount control of oxygen keeps fuel incomplete
Combustion state).In addition, the mode for first restoring settlement treatment after fuming also has the following advantages that：Reducing slag stops one in sedimentation chamber
After fixing time, it can more fully realize that the sedimentation layering of slag sulfonium, harmless slag are discharged from an upper location, the second copper matte regulus is released from lower part.
In a preferred embodiment, as shown in Figure 1, being additionally provided with partition wall 33 in cavity, cavity is divided into also
Former fuming chamber 31 and sedimentation chamber 32, reduction fuming chamber 31 and sedimentation chamber 32 are located at the both sides of partition wall 33 in the horizontal direction, and
The communicating passage for restoring fuming chamber 31 and sedimentation chamber 32 is arranged close to cavity bottom.In this way, in restoring fuming chamber 31 into
Between the melt for carrying out settlement treatment in the melt and sedimentation chamber with mobility of row reaction, it can realize and more stably flow
It is dynamic, and partition wall can block the buoyant of the agitation and surface in reduction fuming chamber, to further increase the effect of settlement treatment.
Preferably, above-mentioned partition wall 33 is water cooling partition wall.
In a preferred embodiment, reduction fuming chamber 31 is additionally provided with side-blown spray gun, and the setting of the first spray gun is also
The side or bottom of former fuming chamber 31, for spraying into reducing agent into reduction fuming chamber 31.It is highly preferred that in reduction fuming chamber also
It is provided with outlet flue, valuable metal flue gas is discharged.It is further preferred that being additionally provided with charge door in reduction fuming chamber, use
In to reduction fuming chamber 31 in trapping agent is added.
In a preferred embodiment, when reduction fuming chamber 31 and smelting slag outlet, sedimentation chamber 32 and reduction
When fuming chamber 31 is connected to, sedimentation chamber 32 is additionally provided with heating plant, for sedimentation chamber 32 to be kept the temperature or heated up.In this way can
It prevents sedimentation chamber 32 from cooling down, is further ensured that sedimentation separation effect.Preferably, heating plant is submersible burning nozzle or electricity
Pole.
In a preferred embodiment, it makes copper stove 20 and is additionally provided with the second spray gun and flux entrance, the second spray gun is set
It sets in the side or bottom for making copper stove 20, for being alternately added oxidant or reducing agent in copper stove 20 to making；Flux entrance is used for
It is passed through flux.In such manner, it is possible to complete the refining to copper matte regulus in making one equipment of copper stove, its grade is increased to electrolytic anode copper
Grade.Preferably, the furnace body for making copper stove 20 is horizontal cylinder type furnace body.In practical operation, more can be arranged in parallel and made
Copper stove 20 carries out the mode of alternately operating or operation simultaneously.Preferably, appropriate water mist can be sprayed into the second spray gun to make to absorb
The superfluous heat generated during copper reduces exhaust gas volumn, extends service life of lance.
In a preferred embodiment, it makes copper stove 20 and is additionally provided with copper melts outlet；Copper metallurgy system further includes casting
Equipment 40, casting equipment 40 and copper melts outlet, for carrying out casting processing to copper melts.First copper matte regulus is carried out to make copper
In the step of reaction, obtained anode copper is copper melts.Can copper melts further be poured into cast by the way that casting equipment 40 is arranged
At products such as anode copper coins.It is highly preferred that casting equipment 40 is double-arc spline casting machine.
In a preferred embodiment, make copper stove 20 be additionally provided with make copper ashes outlet, make copper ashes to be discharged；Melting
Stove 10, which is additionally provided with, makes copper ashes entrance, copper ashes after cooling of making to be passed through in smelting furnace 10.
In a preferred embodiment, smelting furnace 10 is additionally provided with the second copper matte regulus entrance, to by after cooling
Two bronze medal sulphur are passed through into smelting furnace 10.The utilization rate of copper can be further increased in this way.
In a preferred embodiment, it makes copper stove 20 and is additionally provided with cold burden entrance, to be added to making in copper stove 20
It is one or more in cathode copper anode scrap, copper scap and solid-state copper matte regulus.It in this way can be by electrolysis remaining in later stage electrolytic process
Copper anode scrap and the copper scap of outsourcing, solid-state copper matte regulus are passed through as cold burden and make in copper stove, and the thermal balance made in copper stove is better achieved,
To spray into oxygen-enriched create conditions in copper stove to making.
In a preferred embodiment, it further includes cooling equipment to make copper system system, and cooling equipment is used for making copper stove 20
Cool down.Copper stove 20 can be ensured to make in this way and maintain thermal balance making the copper stage of reaction, to spray into oxygen-enriched wound in copper stove to making
Condition is made, the stove longevity can also be extended in addition.Cooling equipment includes but not limited to negative pressure water jacketing or spray cooling device
In a preferred embodiment, smelting furnace 10 is top blow smelting stove, flash smelting furnace, bottom-blown smelting stove or side
Blow and fuse furnace.
The advantageous effect further illustrated the present invention by the following examples：
Embodiment 1
Copper metallurgy is carried out using copper smelting device shown in Fig. 2, each device technique condition is as follows：
Smelting furnace：Smelting temperature is 1300 DEG C；Flux is quartz, and addition is the 10% of copper mine total weight；Oxidation
Agent is oxygen, and addition is that 150Nm is added in copper mine per ton3O2；
Make copper stove：Flux is quartz, and addition is the 20% of the first copper matte regulus total weight；Oxidant is that oxygen volume contains
The oxygen-enriched air of amount 40%, addition are that 200Nm is added in the first copper matte regulus per ton3O2；Oxygen is sprayed into making in copper stove using spray gun
While agent, water mist is also sprayed into；While cold burden copper scap being added in copper stove to making；Reducing agent is fine coal, spray into reducing agent it
Before, copper ashes discharge will be first made, Returning smelting stove after copper ashes cooling is made.
CR stoves：Fuming is first restored, it is rear to settle；In the step of restoring fuming process, reaction temperature is 1200 DEG C；Reducing agent is
Fine coal, addition are the 10% of smelting slag total weight；A small amount of oxygen that is passed through provides combustion-supporting concurrent heating；Titanium dioxide is passed through in sedimentation chamber
Sulphur gas, and vulcanizing agent pyrite is added and makes low-grade copper matte regulus；The low-grade copper matte regulus Returning smelting stove of gained.
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；250,000 tons of melting output copper matte regulus,
Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 23.5 ten thousand tons of copper stove output anode copper, cupric
99.3%, sulfur-bearing 0.05%；Smelting slag Copper in Slag 0.3%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.28%.
Whole system copper recovery about 99%, zinc recovery is about 80%.
Embodiment 2
Processing method is identical with embodiment 1, the difference is that copper mine raw material is different, it is specific as follows：
1,500,000 tons of copper concentrates of year processing, concentrate cupric 25% contain zinc 1.5%, contain antimony 0.5%；Melting output copper matte regulus 400,000
Ton, cupric 75%, 1,000,000 tons of smelting slag, cupric 2%, smelting slag contain zinc 2.03%；450,000 tons of copper stove output anode copper is made, is contained
Copper 99.2%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.3%, slag after the processing of CR stoves contain zinc 0.20%.Whole system copper recycles
Rate about 99%, zinc recovery is about 80%.
Embodiment 3
Processing method with embodiment 1, the difference is that：
Smelting furnace：Smelting temperature is 1300 DEG C；Flux is quartz, and addition is the 20% of copper mine total weight；Oxidation
Agent is oxygen, and addition is that 200Nm is added in copper mine per ton3O2；
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；260,000 tons of melting output copper matte regulus,
Cupric 78%, 620,000 tons of smelting slag, cupric 4%, smelting slag contain zinc 2.05%；Make 23.6 ten thousand tons of copper stove output anode copper, cupric
99.5%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.2%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.26%.
Whole system copper recovery about 99%, zinc recovery is about 82%.
Embodiment 4
Processing method with embodiment 1, the difference is that：
Smelting furnace：Smelting temperature is 1150 DEG C；Flux is quartz, and addition is the 1% of copper mine total weight；Oxidant
For oxygen, addition is that 120Nm is added in copper mine per ton3O2；
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；260,000 tons of melting output copper matte regulus,
Cupric 70%, 700,000 tons of smelting slag, cupric 2.5%, smelting slag contain zinc 3.25%；23.1 ten thousand tons of copper stove output anode copper is made, is contained
Copper 99.1%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.3%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc
0.27%.Whole system copper recovery about 99%, zinc recovery is about 80%.
Embodiment 5
Processing method with embodiment 1, the difference is that：
Smelting furnace：Smelting temperature is 1100 DEG C；Flux is quartz, and addition is the 0.8% of copper mine total weight；Oxidation
Agent is oxygen, and addition is that 90Nm is added in copper mine per ton3O2；
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；200,000 tons of melting output copper matte regulus,
Cupric 65%, 780,000 tons of smelting slag, cupric 5%, smelting slag contain zinc 4.71%；Make 22.8 ten thousand tons of copper stove output anode copper, cupric
98.0%, sulfur-bearing 0.1%；Smelting slag Copper in Slag 0.6%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.49%.
Whole system copper recovery about 95%, zinc recovery is about 78%.
Embodiment 6
Processing method with embodiment 1, the difference is that：
Make copper stove：Flux is quartz, and addition is the 20% of the first copper matte regulus total weight；Oxidant is that oxygen volume contains
The oxygen-enriched air of amount 80%, addition are that 120Nm is added in the first copper matte regulus per ton3O2；Oxygen is sprayed into making in copper stove using spray gun
While agent, water mist is also sprayed into；While cold burden copper scap being added in copper stove to making；Reducing agent is fine coal；Spray into reducing agent it
Before, it will first make copper ashes discharge, Returning smelting stove after cooling.
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；250,000 tons of melting output copper matte regulus,
Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 24.6 ten thousand tons of copper stove output anode copper, cupric
99.5%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.4%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.32%.
Whole system copper recovery about 99.6%, zinc recovery is about 80%.
Embodiment 7
Processing method with embodiment 1, the difference is that：
Make copper stove：Flux is quartz, and addition is the 20% of the first copper matte regulus total weight；Oxidant is that oxygen volume contains
The oxygen-enriched air of amount 30%, addition are that 140Nm is added in the first copper matte regulus per ton3O2；Oxygen is sprayed into making in copper stove using spray gun
While agent, water mist is also sprayed into, while cold burden copper scap being added in copper stove to making；Reducing agent is fine coal；Spray into reducing agent it
Before, it will first make copper ashes discharge, Returning smelting stove after cooling.
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；250,000 tons of melting output copper matte regulus,
Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 22.0 ten thousand tons of copper stove output anode copper, cupric
98.8%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.5%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.34%.
Whole system copper recovery about 98.7%, zinc recovery is about 75%.
Embodiment 8
Processing method with embodiment 1, the difference is that：
Make copper stove：Flux is quartz, and addition is the 20% of the first copper matte regulus total weight；Oxidant is that oxygen volume contains
The oxygen-enriched air of amount 25%, addition are that 140Nm is added in the first copper matte regulus per ton3O2；Reducing agent is fine coal；Water mist is not sprayed into,
It is added without cold burden；
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；250,000 tons of melting output copper matte regulus,
Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 18.2 ten thousand tons of copper stove output anode copper, cupric
97.6%, sulfur-bearing 0.12%；Smelting slag restores dilution (reduction fuming and sedimentation), and Copper in Slag 0.41%, slag contain zinc 0.50% afterwards.
Whole system copper recovery about 95%, zinc recovery is about 70%.
Embodiment 9
Processing method with embodiment 1, the difference is that：
CR stoves：Fuming is first restored, it is rear to settle；In the step of restoring fuming process, reaction temperature is 1350 DEG C；Reducing agent is
Fine coal, addition are the 10% of smelting slag total weight；A small amount of oxygen that is passed through provides heat；Vulcanizing agent pyrite is added and makes low product
Position copper matte regulus；Sulfur dioxide gas, the low-grade copper matte regulus Returning smelting stove of gained are passed through in sedimentation chamber.
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；250,000 tons of melting output copper matte regulus,
Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 23.5 ten thousand tons of copper stove output anode copper, cupric
99.3%, sulfur-bearing 0.05%；Smelting slag Copper in Slag 0.1%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.19%.
Whole system copper recovery about 99%, zinc recovery is about 85%.
Embodiment 10
Processing method with embodiment 1, the difference is that：
CR stoves：It first settles, restores fuming afterwards；In the step of restoring fuming process, reaction temperature is 1350 DEG C；Reducing agent is
Fine coal, addition are the 10% of smelting slag total weight；A small amount of oxygen that is passed through provides heat；Sedimentation chamber carries out electrode concurrent heating.
Handling result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20% contain zinc 2%；250,000 tons of melting output copper matte regulus,
Cupric 72%, 630,000 tons of smelting slag, cupric 3.5%, smelting slag contain zinc 2.63%；Make 240,000 tons of copper stove output anode copper, cupric
99.3%, sulfur-bearing 0.05%；Smelting slag Copper in Slag 0.6%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.54%.
Whole system copper recovery about 98.5%, zinc recovery is about 68%.
It can be seen from the above description that the application the above embodiments realize following technique effect：
Using copper metallurgy technique provided by the invention, annual amount for the treatment of is big, and (electrolytic anode copper can be reached to anode copper by referring to purity
Copper products) yield is big, and recovery rate of valuable metals is higher.Particularly, by the data in embodiment 1, embodiment 5 to 8 it is found that comparing
Cold burden is added not in making copper stove in embodiment 8 or sprays into for the technical solution of water mist, is used in embodiment 1,5 to 7
It makes and cold burden is added in copper stove and sprays into the mode of water mist, greatly improve the oxygen content for making oxidant in copper reaction, make reaction
Copper reaction can be completed to make under conditions of high oxygen-rich concentration without generating superheating phenomenon, also effectively increase copper sulphur output efficiency
With the copper factor of anode copper.Certainly, although cold burden is added not in making copper stove and sprays into water mist, the skill in the embodiment of the present invention 8
Art scheme has equally effectively recycled the valuable metal in smelting slag using short route copper metallurgy technique, while directly output anode copper
And harmless slag is made, also belong to protection scope of the present invention.
In short, the present invention has effectively recycled the valuable metal in fusion process in smelting slag by reduction fuming and sedimentation,
Resource reclaim is realized, environmental pollution is alleviated.In addition, the present invention using smelting furnace as core, shortens simultaneously from product end and slag end,
Enormously simplify copper metallurgy technique.Preresearch estimates averagely contains zinc in slag and is calculated according to 3%, and the rate of recovery is calculated according to 80%, 200,000 t/
Recyclable 1.9 ten thousand t/a of zinc of cupper smelting of a, greatly improves the economic benefit of enterprise, while enormously simplifying Slag treatment
Technological process, floor space reduces significantly, also solves the potential pollution risk of slag tailing.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of copper weld pool slag for comprehensive recovery method, which is characterized in that using CR stoves to the smelting slag carry out reduction fuming and
Sedimentation makes harmless slag with the valuable metal in smelting slag described in synthetical recovery；The valuable metal includes in lead, zinc and antimony
It is one or more；The CR stoves include cavity, and the cavity includes the reduction fuming chamber and sedimentation chamber being connected；It recycles described molten
Refining slag in valuable metal the step of include：
The smelting slag is subjected to reduction fuming process in the reduction fuming chamber, obtains valuable metal flue dust and reducing slag；
And the reducing slag is subjected to settlement treatment in the sedimentation chamber, obtain copper matte regulus and the harmless slag；Or it will be described molten
Refining slag carries out settlement treatment in the sedimentation chamber, obtains copper matte regulus and sedimentation slag；And by the sedimentation slag in the reduction cigarette
Change in chamber and carry out reduction fuming process, obtains valuable metal flue dust and the harmless slag.
2. according to the method described in claim 1, it is characterized in that, partition wall is additionally provided in the cavity, by the cavity
It is divided into the reduction fuming chamber and the sedimentation chamber, the fuming reduction fuming chamber and the sedimentation chamber distinguish position in the horizontal direction
In the both sides of the partition wall, and the communicating passage of the reduction fuming chamber and the sedimentation chamber is arranged close to the cavity bottom.
3. according to the method described in claim 1, it is characterized in that, the step of reduction fuming process include：It is gone back to described
Reducing agent is added in former fuming chamber to carry out the reduction fuming process；It is preferred that the reducing agent is selected from natural gas, coal gas, liquefaction
It is one or more in oil gas, iron powder and solid carbon based reductive, the more preferable solid carbon based reductive be selected from for lump coal,
It is one or more in fine coal and coke.
4. described according to the method described in claim 3, it is characterized in that, be provided with side-blown spray gun in the reduction fuming chamber
In the step of restoring fuming process, the reducing agent is blasted in the reduction fuming chamber using the side-blown spray gun.
5. described according to the method described in claim 4, it is characterized in that, be additionally provided with outlet flue in the reduction fuming chamber
Restore fuming process the step of further include：Secondary Air is introduced at the top of the reduction fuming chamber or the outlet flue.
6. the method according to any one of claims 1 to 5, it is characterized in that, in the step of the reduction fuming process,
Reaction temperature is 1200~1400 DEG C.
7. the method according to any one of claims 1 to 5, it is characterized in that,
When before the reduction fuming process step being located at the settlement treatment step, in the same of the reduction fuming process
When, trapping agent is added into the reduction fuming chamber；
When the reduction fuming process step is located at after the settlement treatment step, while the settlement treatment, to
The second vulcanizing agent and/or copper concentrate are added in the sedimentation chamber.
8. the method according to the description of claim 7 is characterized in that the trapping agent be selected from the first vulcanizing agent and/or copper concentrate,
It is preferred that first vulcanizing agent is selected from troilite and/or pyrite；It is preferred that second vulcanizing agent be selected from troilite, pyrite and
It refines one or more in lead bronze dross.
9. the method according to the description of claim 7 is characterized in that the step of settlement treatment, further includes：To the sedimentation
Inert gas and/or sulfur dioxide gas are blasted in chamber.
10. the method according to the description of claim 7 is characterized in that being carried out to the sedimentation chamber while settlement treatment
Isothermal holding.
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| CN201710449049.9A CN107326195A (en) | 2017-06-14 | 2017-06-14 | Short route copper smelting method |
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| CN201810411142.5A Active CN108504875B (en) | 2017-06-14 | 2018-05-02 | Short-process copper smelting method |
| CN201810411105.4A Pending CN108611499A (en) | 2017-06-14 | 2018-05-02 | Copper weld pool slag for comprehensive recovery method |
| CN201810411600.5A Pending CN108504876A (en) | 2017-06-14 | 2018-05-02 | Anode copper production method |
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| CN110257643A (en) * | 2019-07-01 | 2019-09-20 | 东营方圆有色金属有限公司 | The technique and recovery system of iron and zinc are recycled from copper weld pool slag |
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| PE20200188A1 (en) * | 2017-06-14 | 2020-01-28 | China Enfi Eng Corp | METHOD AND SYSTEM OF SHORT COPPER CASTING PROCESS |
| CN108411124A (en) * | 2018-03-27 | 2018-08-17 | 东营方圆有色金属有限公司 | A kind of novel short route Continuous Copper smelting device and technique |
| CN108486388A (en) * | 2018-03-27 | 2018-09-04 | 东营方圆有色金属有限公司 | A kind of low-grade copper scap cleaning smelting device and its technique |
| CN108588441A (en) * | 2018-03-30 | 2018-09-28 | 东营方圆有色金属有限公司 | A kind of pyrogenic process whole process cleaning copper smelting device and technique |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108504876A (en) | 2018-09-07 |
| CN108504875B (en) | 2020-07-17 |
| CN108504875A (en) | 2018-09-07 |
| CN107326195A (en) | 2017-11-07 |
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