CN108707756A - A method of with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes - Google Patents
A method of with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes Download PDFInfo
- Publication number
- CN108707756A CN108707756A CN201810437754.1A CN201810437754A CN108707756A CN 108707756 A CN108707756 A CN 108707756A CN 201810437754 A CN201810437754 A CN 201810437754A CN 108707756 A CN108707756 A CN 108707756A
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- Prior art keywords
- oxygen
- lead
- copper
- smelting furnace
- brick
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- 229910052802 copper Inorganic materials 0.000 title claims abstract description 85
- 239000010949 copper Substances 0.000 title claims abstract description 85
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 84
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000001301 oxygen Substances 0.000 title claims abstract description 54
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 54
- 238000003723 Smelting Methods 0.000 title claims abstract description 47
- 239000003517 fume Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000011449 brick Substances 0.000 claims abstract description 40
- 239000002253 acid Substances 0.000 claims abstract description 16
- 238000002386 leaching Methods 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 239000000571 coke Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 5
- 239000002956 ash Substances 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 5
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 5
- 239000006028 limestone Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 235000012054 meals Nutrition 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 238000009408 flooring Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229910052797 bismuth Inorganic materials 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000007670 refining Methods 0.000 abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- 239000011593 sulfur Substances 0.000 abstract description 2
- 229910052718 tin Inorganic materials 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 235000010894 Artemisia argyi Nutrition 0.000 description 1
- 244000030166 artemisia Species 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009867 copper metallurgy Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- 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
- C22B7/02—Working-up flue dust
-
- 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
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
-
- 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
- C22B15/006—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
- 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
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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 discloses a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes, belongs to Metallurgical Solid Wastes technical field of comprehensive utilization.Copper fumes acid leaching residue is subjected to dispensing, the material of brick for meeting oxygen-enriched side-blown reducing smelting furnace melting is made, can put into oxygen-enriched side-blown reducing smelting furnace without sulfur removal technology directly carries out reduction melting, obtains a lead bullion, a lead copper matte, clinker and ash-laden gas；The lead copper matte that reduction melting obtains is subjected to concentration smelting with oxygen-enriched side-blown reducing smelting furnace, obtain secondary lead bullion, secondary lead copper matte, clinker and ash-laden gas, during handling herein, other valuable metals such as Bi, Sn, Ag, Au contained in copper fumes can enter lead bullion part, be separated and recovered during follow-up refining.Copper fumes integrated conduct method provided by the invention, treatment process is simple, and synthetical recovery is efficient, few using equipment, and processing cost is relatively low.
Description
Technical field
The invention belongs to Metallurgical Solid Wastes technical field of comprehensive utilization, and in particular to a kind of to use oxygen-enriched side-blown reducing smelting furnace
The method of integrated treatment copper fumes.
Background technology
Copper making technology refers to passing through kinds of processes step by Copper Ores, obtains the process of refined copper, during Copper making, Chinese mugwort
Sa stove, converter, electric furnace flue gas generate flue dust, usually contain the valuable metal of up to 9 kinds or more of Cu, Pb, Zn, Bi etc., change
The features such as learning complicated component, difficult, environmental pollution, belongs to danger wastes.If copper fumes directly return to copper metallurgy industry,
The impurity content of feed stock for blast furnace is then not only greatly increased, deteriorates the working of a furnace, reduces the processing capacity of stove.When copper fumes processing, one
As need to be handled again after first carrying out calcination steps desulfurization, the prior art there are problems that：1, valuable element synthetical recovery
Rate is relatively low, and cost recovery is higher；2, the product market space is limited；3, there is potential environmentally friendly hidden danger.Therefore, it is a kind of to be badly in need of exploitation
The integrated conduct method of copper fumes.
Invention content
In view of this, the present invention provides a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes, the party
Method input is low, the integrated treatment of copper fumes can be realized using a kind of equipment, treatment process is simple, can be by copper fumes after processing
In lead and copper efficiently separate, provide convenience condition for follow-up refining.
A method of with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes, acid being obtained after copper fumes are carried out acidleach
Phase analysis carries out integrated treatment using oxygen-enriched side-blown reducing smelting furnace, follows the steps below：
A prepares the material of brick
After copper fumes acid leaching residue is dried, match with coke powder, lime, iron powder, other dead meals containing metal and sewage disposal sheet frame slag
Material, the material of brick is made after crushing；The addition of coke powder is the 2-5% of acid leaching residue weight, and the addition of lime is the 5- of acid leaching residue weight
8%, the addition of iron powder is the 10-15% of acid leaching residue weight, manufactured material of brick lead tolerance >=20%.
Coke powder is the flour of coke raw material in dispensing, if being directly added into oxygen-enriched side-blown reducing smelting furnace can be carried away by the wind,
Utilization rate is not high, is added in the material of brick, realizes making full use of for raw material.Iron powder and lime are added as slag former, this three
Kind dispensing needs to determine proportioning according to acid leaching residue and other dead meals containing metal and sewage disposal sheet frame slag ingredient, ensures in the material of brick
Lead tolerance >=20% ensures that oxygen-enriched side-blown reducing smelting furnace produces stable operation within a certain period of time.
The uniform breathability of the lumpiness and intensity effect material of the material of brick, it is molten to influence the reduction of oxygen-enriched side-blown reducing smelting furnace
Refine speed and efficiency, it is therefore desirable to select suitable lumpiness and intensity.
B reduction melting
Oxygen-enriched side-blown reducing smelting furnace is added in the material of brick made, while flux is added, except copper ashes, coke, from air port with 2.0-
10.0kPa pressure sprays into oxygen-enriched air, and oxygen-enriched air addition is 40-80 m3/ min, in-furnace temperature are controlled in 1100-1300
DEG C, reduction melting 3-4h, the lead sulfate in the material of brick is largely converted into a lead bullion, and a lead bullion and primary is released from lead outlet
Lead copper matte, a lead copper matte ingot bar, slag notch puts clinker, while generating high-temperature flue gas, qualified discharge after flue gas dust collection.
When reduction melting, when oxygen-enriched side-blown reducing smelting furnace stock column from top to bottom moves a series of physical occurs for the material of brick
Chemical reaction process and heat exchanging process, most of lead sulfate are reduced into vulcanized lead, this process major influence factors temperature
And composition of fumes, temperature and composition of fumes and the quality of coke, slag type, the intake in air port and wind pressure have relationship, wherein slag
Type determines the fusing point and viscosity of clinker, it is therefore desirable to determine indices according to the material of reduction melting.In fusion process,
It analyzes smoke components, measure furnace roof flue-gas temperature, the response situation in reaction oxygen-enriched side-blown reducing smelting furnace that also can be reversed, from
And relevant parameter is adjusted in time, general smoke components CO/CO2In 0.2-0.5 ranges, furnace roof flue-gas temperature is 100-350 DEG C, rich
Reduction melting process is normal in oxygen side-blown reduction smelting furnace.
C concentration smeltings
A lead copper matte block in step C is returned, oxygen-enriched side-blown reducing smelting furnace is added, while iron filings and coke are added, from wind
Mouth sprays into oxygen-enriched air with 1.0-6.0kPa pressure, and oxygen-enriched air addition is 35-75 m3/ min, in-furnace temperature control exist
1100-1300 DEG C, melting 1-4h, concentration smelting obtains secondary lead bullion and secondary lead copper matte, from lead outlet release secondary lead bullion and
Secondary lead copper matte, slag notch releases clinker, while generating high-temperature flue gas, qualified discharge after flue gas dust collection.
The purpose of concentration smelting is to reduce the lead content of a lead copper matte, improves copper content.Iron filings are added by a lead ice
Lead in copper cements out, and obtains a lead bullion and secondary lead copper matte.
Further, the material of brick lumpiness that prepared by step A is that 50-120mm weight ratio is no less than 75%, material of brick moisture
No more than 25%, material of brick intensity be from 1.5 meters of height drop down onto cement flooring naturally three times after lumpiness be less than the weight ratio of 10mm
Less than 15%.
Further, the oxygen-enriched air oxygen content is 22-24%.
Further, the flux being added in step B is quartz and lime stone, and quartz and lime stone addition are respectively
The 0-5% of material of brick weight, except the 0-2% that copper ashes is material of brick weight, amount of coke is the 18-22% of material of brick weight.
Further, iron filings addition is the 1-3% of a lead copper matte weight in step C, and coke addition is a lead ice
The 12-18% of weight of copper.
Further, clinker slag type is iron oxide content 20-28%, dioxide-containing silica 20-30%, calcium oxide in step B
10-18%, clinker lead tolerance 1.5-10%.
Further, a lead bullion grade is 60-75%, lead copper matte copper content >=15% in step B.
Further, secondary lead copper matte copper content >=18% in step C.
The leaded Main Morphology of copper fumes acid leaching residue material that the present invention is handled is lead sulfate, without carrying out sulfur removal technology, is made
It can be reduced directly in oxygen-enriched side-blown reducing smelting furnace after the material of brick, primary reduction can obtain a lead bullion, a lead ice
Copper, clinker and ash-laden gas, then a lead copper matte is subjected to concentration smelting with oxygen-enriched side-blown reducing smelting furnace, it obtains secondary thick
Lead, secondary lead copper matte, filter residue and ash-laden gas, during handling herein, Bi, Sn, Ag, Au for containing in copper fumes etc. other have
Valence metal can enter lead bullion part, be separated and recovered during follow-up refining.The present invention can be real by a kind of equipment
The integrated treatment of existing copper fumes, realizes effective recycling of valuable metal in copper fumes, simple for process, input cost is low.
Description of the drawings
The process flow chart of Fig. 1 acid leaching residue material of brick oxygen-enriched side-blown reducing smelting furnace reducing and smeltings
Lead copper matte oxygen-enriched side-blown reducing smelting furnace concentration smelting process flow chart of Fig. 2.
Specific implementation mode
The invention will be further described with reference to embodiments.
Embodiment 1
A method of with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes, copper fumes being subjected to acidleach（Sulfuric acid）After obtain
Acid leaching residue carries out integrated treatment using oxygen-enriched side-blown reducing smelting furnace, follows the steps below：
A prepares the material of brick
After copper fumes acid leaching residue is dried, be added the coke powder of acid leaching residue weight 2-5%, 5-8% lime, 10-15% iron powder and its
The material of brick is made in his dead meal containing metal and sewage disposal sheet frame slag burden after crushing, control material of brick lead tolerance >=20%, material of brick block
Degree is that 50-120mm weight ratio is no less than 75%, and material of brick moisture is not more than 25%, and material of brick intensity is the height three from 1.5 meters
It is secondary to drop down onto weight ratio of the lumpiness less than 10mm behind cement flooring naturally and be less than 15%.
B reduction melting
Oxygen-enriched side-blown reducing smelting furnace is added in the material of brick made, while the stone of the quartz and 0-5% of material of brick weight 0-5% is added
Lime stone as flux, material of brick weight 0-2% except copper ashes, material of brick weight 18-22% coke, pressed from air port with 2.0-10.0kPa
Power sprays into the oxygen-enriched air that oxygen content is 22-24%, and oxygen-enriched air addition is 40-80 m3/ min, in-furnace temperature control exist
1100-1300 DEG C, reduction melting 3-4h, the lead sulfate in the material of brick is largely converted into a lead bullion, is released from lead outlet primary
Lead bullion（Grade is 60-75%）With a lead copper matte（Copper content >=15%）, a lead copper matte ingot bar, slag notch puts clinker（Slag type
For iron oxide content 20-28%, dioxide-containing silica 20-30%, calcium oxide 10-18%, clinker lead tolerance 1.5-10%）, produce simultaneously
Raw high-temperature flue gas, qualified discharge after flue gas dust collection；
C concentration smeltings
A lead copper matte block in step C is returned, oxygen-enriched side-blown reducing smelting furnace is added, while that primary lead copper matte weight is added
The coke for measuring the iron filings and 12-18% of 1-3% sprays into oxygen content as the oxygen-enriched sky of 22-24% from air port with 1.0-6.0kPa pressure
Gas, oxygen-enriched air addition are 35-75 m3/ min, in-furnace temperature are controlled at 1100-1300 DEG C, and melting 1-4h, melting obtains two
Secondary lead bullion and secondary lead copper matte（Copper content >=18%）, secondary lead bullion and secondary lead copper matte are released from lead outlet, slag notch releases stove
Slag, while high-temperature flue gas is generated, qualified discharge after flue gas dust collection.
Claims (8)
1. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes obtains acidleach after copper fumes are carried out acidleach
Slag carries out integrated treatment, which is characterized in that follow the steps below using oxygen-enriched side-blown reducing smelting furnace：
A prepares the material of brick
After copper fumes acid leaching residue is dried, match with coke powder, lime, iron powder, other dead meals containing metal and sewage disposal sheet frame slag
Material, the material of brick is made after crushing；The addition of coke powder is the 2-5% of acid leaching residue weight, and the addition of lime is the 5- of acid leaching residue weight
8%, the addition of iron powder is the 10-15% of acid leaching residue weight, manufactured material of brick lead tolerance >=20%；
B reduction melting
Oxygen-enriched side-blown reducing smelting furnace is added in the material of brick made, while flux is added, except copper ashes, coke, from air port with 2.0-
10.0kPa pressure sprays into oxygen-enriched air, and oxygen-enriched air addition is 40-80 m3/ min, in-furnace temperature are controlled in 1100-1300
DEG C, reduction melting 3-4h, the lead sulfate in the material of brick is largely converted into a lead bullion, and a lead bullion and primary is released from lead outlet
Lead copper matte, a lead copper matte ingot bar, slag notch puts clinker, while generating high-temperature flue gas, qualified discharge after flue gas dust collection；
C concentration smeltings
A lead copper matte block in step C is returned, oxygen-enriched side-blown reducing smelting furnace is added, while iron filings and coke are added, from wind
Mouth sprays into oxygen-enriched air with 1.0-6.0kPa pressure, and oxygen-enriched air addition is 35-75 m3/ min, in-furnace temperature control exist
1100-1300 DEG C, melting 1-4h, concentration smelting obtains secondary lead bullion and secondary lead copper matte, from lead outlet release secondary lead bullion and
Secondary lead copper matte, slag notch releases clinker, while generating high-temperature flue gas, qualified discharge after flue gas dust collection.
2. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to claim 1, feature
It is：Material of brick lumpiness prepared by step A is that 50-120mm weight ratio is no less than 75%, and material of brick moisture is not more than 25%, brick
Material intensity be from 1.5 meters of height drop down onto cement flooring naturally three times after weight ratio of the lumpiness less than 10mm be less than 15%.
3. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to claim 1, feature
It is：The oxygen-enriched air content amount is 22-24%.
4. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to claim 1, feature
It is：The flux being added in step B is quartz and lime stone, and quartz and lime stone addition are the 0- of material of brick weight
5%, except the 0-2% that copper ashes addition is material of brick weight, amount of coke is the 18-22% of material of brick weight.
5. a kind of side with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to any one of claims 1 to 4
Method, it is characterised in that：Iron filings addition is the 1-3% of a lead copper matte weight in step C, and coke addition is a lead copper matte
The 12-18% of weight.
6. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to claim 1, feature
It is：Clinker slag type is iron oxide content 20-28%, dioxide-containing silica 20-30%, calcium oxide 10-18%, clinker in step B
Lead tolerance 1.5-10%.
7. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to claim 1, feature
It is：A lead bullion grade is 60-75%, lead copper matte copper content >=15% in step B.
8. a kind of method with oxygen-enriched side-blown reducing smelting furnace integrated treatment copper fumes according to claim 1, feature
It is：Secondary lead copper matte copper content >=18% in step C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437754.1A CN108707756B (en) | 2018-05-09 | 2018-05-09 | Method for comprehensively treating copper smoke dust by using oxygen-enriched side-blown reduction smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810437754.1A CN108707756B (en) | 2018-05-09 | 2018-05-09 | Method for comprehensively treating copper smoke dust by using oxygen-enriched side-blown reduction smelting furnace |
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| CN108707756A true CN108707756A (en) | 2018-10-26 |
| CN108707756B CN108707756B (en) | 2020-03-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850308A (en) * | 2020-07-22 | 2020-10-30 | 湖北大江环保科技股份有限公司 | Method for treating copper smoke dust by using oxygen-enriched side-blown reduction smelting furnace |
| CN113621797A (en) * | 2021-08-18 | 2021-11-09 | 江西金洋金属股份有限公司 | Desulfurization lead plaster brick and preparation method thereof |
| CN113621810A (en) * | 2021-08-12 | 2021-11-09 | 尤全仁 | Waste lead-acid storage battery and lead-containing waste regenerated and reduced lead ingredient and preparation method thereof |
| CN113981231A (en) * | 2021-11-03 | 2022-01-28 | 安徽铜冠有色金属（池州）有限责任公司 | Process for recovering lead, bismuth, gold and silver from copper anode slime smelting slag |
Citations (5)
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| CN111850308A (en) * | 2020-07-22 | 2020-10-30 | 湖北大江环保科技股份有限公司 | Method for treating copper smoke dust by using oxygen-enriched side-blown reduction smelting furnace |
| CN111850308B (en) * | 2020-07-22 | 2021-04-16 | 湖北大江环保科技股份有限公司 | Method for treating copper smoke dust by using oxygen-enriched side-blown reduction smelting furnace |
| CN113621810A (en) * | 2021-08-12 | 2021-11-09 | 尤全仁 | Waste lead-acid storage battery and lead-containing waste regenerated and reduced lead ingredient and preparation method thereof |
| CN113621797A (en) * | 2021-08-18 | 2021-11-09 | 江西金洋金属股份有限公司 | Desulfurization lead plaster brick and preparation method thereof |
| CN113981231A (en) * | 2021-11-03 | 2022-01-28 | 安徽铜冠有色金属（池州）有限责任公司 | Process for recovering lead, bismuth, gold and silver from copper anode slime smelting slag |
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