CN106269290A - The method for floating of decopperized lead zinc from highgrade pyrite concentrate - Google Patents
The method for floating of decopperized lead zinc from highgrade pyrite concentrate Download PDFInfo
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- CN106269290A CN106269290A CN201610950595.6A CN201610950595A CN106269290A CN 106269290 A CN106269290 A CN 106269290A CN 201610950595 A CN201610950595 A CN 201610950595A CN 106269290 A CN106269290 A CN 106269290A
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- Prior art keywords
- concentrate
- lead zinc
- pulp
- copper
- flotation
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- Granted
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- 239000012141 concentrate Substances 0.000 title claims abstract description 85
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007667 floating Methods 0.000 title claims abstract description 15
- 229910052683 pyrite Inorganic materials 0.000 title claims abstract description 13
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000011028 pyrite Substances 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 129
- 229910052742 iron Inorganic materials 0.000 claims abstract description 62
- 238000005188 flotation Methods 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- UXNBTDLSBQFMEH-UHFFFAOYSA-N [Cu].[Zn].[Pb] Chemical compound [Cu].[Zn].[Pb] UXNBTDLSBQFMEH-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 238000000643 oven drying Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical class NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 claims description 3
- 229940116901 diethyldithiocarbamate Drugs 0.000 claims description 3
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical group CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052569 sulfide mineral Inorganic materials 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- -1 thiamine ester Chemical class 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 claims 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- JZRWCGZRTZMZEH-UHFFFAOYSA-N Thiamine Natural products CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N JZRWCGZRTZMZEH-UHFFFAOYSA-N 0.000 claims 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 1
- 229960003495 thiamine Drugs 0.000 claims 1
- 235000019157 thiamine Nutrition 0.000 claims 1
- 239000011721 thiamine Substances 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 16
- 239000011593 sulfur Substances 0.000 abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 9
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 abstract description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 5
- 229940069428 antacid Drugs 0.000 abstract description 5
- 239000003159 antacid agent Substances 0.000 abstract description 5
- 230000001458 anti-acid effect Effects 0.000 abstract description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 14
- 229910052725 zinc Inorganic materials 0.000 description 14
- 239000011701 zinc Substances 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 11
- 239000011133 lead Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000686 essence Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 2
- ZFIQGRISGKSVAG-UHFFFAOYSA-N 4-methylaminophenol Chemical compound CNC1=CC=C(O)C=C1 ZFIQGRISGKSVAG-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-O butylazanium Chemical compound CCCC[NH3+] HQABUPZFAYXKJW-UHFFFAOYSA-O 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/007—Modifying reagents for adjusting pH or conductivity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method for floating of decopperized lead zinc from highgrade pyrite concentrate.Described highgrade pyrite concentrate obtains through flotation from sulphur iron ore or ore dressing tailings.Size mixing through parlkaline, one roughing, triple cleaning, i.e. can get sulfur grade more than 47%, copper grade less than 0.10%, the lead zinc total grade high-quality iron concentrate less than 0.30%.The copper lead zinc mixing ore concentrate that triple cleaning obtains can make the added value of iron concentrate be greatly improved as the raw material of sorting copper-lead zinc.The iron concentrate roasting direct antacid of the high-quality obtained, the tailings after antacid can use directly as high-quality iron ore concentrate, it is achieved the rationalization of resource and maximally utilizing.
Description
Technical field:
The invention belongs to Non-ferrous minerals manufacture field, relate to a kind of decopperized lead zinc floating from highgrade pyrite concentrate
Choosing method.
Technical background:
In the raw material of China's acid industry, troilite accounts for 72.8%.Troilite is not only Sulphur ressource, is also important ferrum money
Source and the energy.Troilite through floating and enriching, obtain iron concentrate.Iron concentrate grade is 30%-50%, and grade is 38%
Above iron concentrate is primes, is considered as highgrade pyrite concentrate.And high-quality iron concentrate refer to sulfur grade more than 47%, copper product
The product that position is less than 0.10%, the total grade of lead zinc is less than 0.30%.Iron concentrate oxidizing roasting, sulfur generates SO2For Sulphuric acid, surplus
Under slag be the oxidation product Fe of ferrum2O3And Fe3O4, iron-holder is higher, can be used for smelting iron, it is achieved that sulfur and the dual profit of ferrum
With.But, although floatation pyrite solves roasting efficiency and the problem of slag Iron grade, but enriching sulfur and iron ore deposit when
Often with valuable metal elements such as a small amount of copper-lead zinc.The existence of these metals so that the quality of slag ferrum is relatively low, to refining
Ferrum has a negative impact.If selecting these metallic elements before antacid from iron concentrate, not only follow-up ironmaking is produced long-pending
Pole acts on, and achieves the synthetical recovery of valuable metal, has the biggest economic benefit, also embodies the rationalization to resource
And maximally utilize.
For the problem of the Sulfogen ore impurity-removing (referring to remove the elements such as copper, lead, zinc) of enrichment from ore dressing tailings, some scholars
Have studied the removal phenomenon of copper in cyanidation tailings, lead, zinc.The patent of invention of Publication No. CN102505077 describes from cyaniding
Tailings reclaims copper and the method for lead and zinc bulk concentrate.The method uses sulphuric acid, butyl xanthate, black powder, diethyldithiocarbamate to carry out flotation,
Obtain lead and zinc bulk concentrate.Then in lead zinc bulk flotation mine tailing, add sulphuric acid, butyl xanthate and 2# oil carry out flotation and obtain
Copper concentrate.The patent of invention of Publication No. CN102728476A describes the flotation side reclaiming zinc from refined gold ore cyaniding tailings
Method.The method sequentially pass through select lead, size mixing, acidic activated, suppress, stir and flotation, finally obtain high-grade zinc concentrate.Public
The patent of invention that the number of opening is CN1865461A uses activated carbon, YO medicament to carry out pretreatment, adds YO in the ore pulp handled well
Medicament, Calx, butyl xanthate carry out floating selecting square lead ore, are subsequently adding Calx, copper sulfate, butyl xanthate carry out flotation sphalerite.
The patent of invention of Publication No. CN1775371A is also first to floatingly select copper/lead/zinc ore, the most again enriching sulfur and iron ore deposit.These method values
Must use for reference, but directly from cyanidation tailings, select copper, lead and zinc ores, can affect the overall recovery that iron concentrate is final, and flotation
Technique is more complicated, and floating agent kind is more, adds processing cost.
Making a general survey of prior art, the flotation of copper-lead zinc is often for the low-grade iron concentrate of sulfur-bearing 20-30%, due to it
Sulfur-bearing is relatively low, and troilite composition is less on the impact of flotation.But, it is high-grade that current most of sulfuric acid plants directly enter purchase
Iron concentrate (sulfur-bearing is up to 38～50%), therefore develops the flotation technology for reclaiming copper-lead zinc from highgrade pyrite concentrate and has
Important practical significance.The present invention is directed to the iron concentrate of sulfur-bearing 38-50%, it is proposed that the technical side of a kind of efficient flotation separation copper-lead zinc
Case: by the basic conditions, add amino phenols inhibitor suppression troilite, then add suitable collecting agent, only need
Want one roughing and triple cleaning, just can select copper/lead/zinc ore thing from iron concentrate, flotation cell obtains high-quality iron concentrate
Product.The copper/lead/zinc ore thing selected can be as the raw material of enrichment copper-lead zinc.Regime of agent is simple, and flow process is shorter, and processing cost is relatively
Low.
Summary of the invention:
The invention provides a kind of method for floating of decopperized lead zinc from highgrade pyrite concentrate.Through adding suitable flotation
Medicament, under simple technological process, the iron concentrate obtained is high-quality concentrate product, smelts iron for follow-up antacid and slag and carries
Carry out convenience.
The method that the present invention relates to, comprises the following steps:
A., iron concentrate is put into stirring in agitator tank size mixing, by pulp density 40-60%；
B. in agitator tank, pH regulator is added, stirring while adding, make more than pH values of pulp=11.5, be subsequently adding aminobenzene
Phenolic inhibitors, is sufficiently stirred for sizing mixing；
C. adding sulfide mineral collector in the ore pulp mixed up, consumption, at 20g/t 60g/t, is sufficiently stirred for, then ore deposit
Flotation cell transferred to by slurry, is sufficiently stirred for, opens gas switch and be inflated, and opens scraper plate and is scraped by flotation froth；
D. it is poured into roughly selecting the froth pulp obtained in the flotation cell of primary cleaning, no longer adds any floating agent,
It is filled with air after being sufficiently stirred for, and opens scraper plate the foam of primary cleaning is scraped standby.Primary cleaner tailing returns to next
Roughly selecting of circulation；
E. the froth pulp of primary cleaning is poured in the flotation cell of recleaning, after stirring of sizing mixing, is filled with air, and
Open scraper plate and the foam of recleaning is scraped standby.The mine tailing of recleaning returns in the primary cleaning of subsequent cycle；
F. the froth pulp of recleaning is poured in the flotation cell of triple cleaning, after stirring of sizing mixing, is filled with air, and
Open scraper plate to be scraped by the foam of triple cleaning.The mine tailing of triple cleaning returns in the recleaning of subsequent cycle；
G. in the groove roughly selected, mine tailing is through vacuum filter filtration, oven drying, and the product obtained is high-quality sulfur essence
Ore deposit；
H. the froth pulp of triple cleaning is through vacuum filter filtration, oven drying, obtains copper lead zinc mixing ore concentrate.
It is an advantage of the current invention that: use simple floating agent and flotation flowsheet, isolate from high-grade iron concentrate
Copper lead zinc mixing ore concentrate, has obtained high-quality iron concentrate, and the roasting antacid for iron concentrate provides quality assurance, isolated
Copper lead zinc mixing ore concentrate can be as the raw material reclaiming copper-lead zinc, it is achieved that the rationalization of resource and maximally utilizing.
Accompanying drawing illustrates:
Fig. 1 is the process chart of decopperized lead zinc from highgrade pyrite concentrate
Detailed description of the invention:
Embodiment 1
The iron concentrate that certain pyrite flotation obtains, its chemical composition composition is as follows:
Table 1 iron concentrate multielement analysis result (%)
Take the iron concentrate of 500g to put into stirring in agitator tank and size mixing, pulp density is modulated 40%.Then toward in agitator tank
Add calcium oxide, stirring while adding, make pH values of pulp=12.80, be subsequently adding para-aminophenol 100g/t, stir 10 minutes.Past
The ore pulp mixed up adds diethyldithiocarbamate 40g/t, after stirring 2 minutes, ore pulp is transferred to be inflated in rougher cell.Pass through
One thick three essences, obtain the mine tailing in groove and the froth pulp flotated.Mine tailing in groove becomes high-quality through filtration drying
Iron concentrate.The froth pulp flotated is copper lead zinc mixing ore concentrate, can be as the raw material of sorting copper-lead zinc.Product quality such as table
Shown in 2, in iron concentrate, sulfur-bearing 48.05%, cupric 0.09%, lead zinc total content are 0.19%, meet wanting of high-quality iron concentrate
Ask.And copper lead zinc mixing ore concentrate cupric 3.79%, leaded 1.71%, containing zinc 8.50%, be the raw material preferably reclaiming copper-lead zinc.
Table 2 product quality analysis result (%)
Embodiment 2
The iron concentrate of certain pyrite flotation, its chemical composition is as shown in table 3:
Table 3 iron concentrate multielement analysis result (%)
Take the iron concentrate of 500g to put into stirring in agitator tank and size mixing, pulp density is modulated 40%.Then toward in agitator tank
Add calcium hydroxide, stirring while adding, make pH values of pulp=11.80, be subsequently adding p-methylaminophenol 100g/t, stir 10 points
Clock.In the ore pulp mixed up, add butyl xanthate 60g/t, after stirring 2 minutes, ore pulp is transferred to fill in rougher cell
Gas.Froth pulp is hung up in single-minded flotation cell by the scraper plate carried by flotation device, scrapes bubble 3 minutes.Mine tailing in groove passes through
Being filtered dry dry becomes high-quality iron concentrate.Product in single-minded flotation cell is carried out again twice selected, final froth pulp is
Copper lead zinc mixing ore concentrate.Product quality is as shown in table 4, and in iron concentrate, sulfur-bearing 48.24%, cupric 0.05%, lead zinc total content are
0.12%, meet the requirement of high-quality iron concentrate.And it is copper lead zinc mixing ore concentrate cupric 5.03%, leaded 2.55%, containing zinc
14.72%, it is the raw material preferably reclaiming copper-lead zinc.
Table 4 product quality analysis result (%)
Embodiment 3
The iron concentrate that certain cyanidation tailings flotation obtains, its chemical composition is as shown in table 5:
Table 5 iron concentrate multielement analysis result (%)
Take the iron concentrate of 500g to put into stirring in agitator tank and size mixing, pulp density is modulated 40%.Then toward in agitator tank
Add calcium oxide, stirring while adding, make pH values of pulp=12.20, be subsequently adding p-methylaminophenol 100g/t, stir 10 minutes.
In the ore pulp mixed up, add second sulfur ammonium ester 48g/t, after stirring 2 minutes, ore pulp is transferred to be inflated in rougher cell.
Through thick three essences, obtain the mine tailing in groove and the froth pulp flotated.Mine tailing in groove becomes high-quality through filtration drying
The iron concentrate of amount.The froth pulp flotated is copper lead zinc mixing ore concentrate.Product quality is as shown in table 6, sulfur-bearing in iron concentrate
51.34%, cupric 0.07%, lead zinc total content are 0.24%, meet the requirement of high-quality iron concentrate.And copper lead zinc mixing ore concentrate
Cupric 6.24%, leaded 2.81%, containing zinc 18.81%, be the raw material preferably reclaiming copper-lead zinc.
Table 6 product quality analysis result (%)
Embodiment 4
The iron concentrate that certain lead zinc tailings flotation obtains, its chemical composition is as follows:
Table 7 iron concentrate multielement analysis result (%)
Take the iron concentrate of 500g to put into stirring in agitator tank and size mixing, pulp density is modulated 60%.Then toward in agitator tank
Add calcium oxide, stirring while adding, make pH values of pulp=12.20, be subsequently adding acamol 100g/t, stir 10 points
Clock.In the ore pulp mixed up, add butyl ammonium aerofloat 20g/t, after stirring 2 minutes, ore pulp is transferred to fill in rougher cell
Gas.Through thick three essences, obtain the mine tailing in groove and the froth pulp flotated.Mine tailing in groove becomes high through filtration drying
The iron concentrate of quality.The froth pulp flotated is copper lead zinc mixing ore concentrate.Product quality is as shown in table 8, contains in iron concentrate
Sulfur 48.84%, cupric 0.09%, lead zinc total content are 0.26%, meet the requirement of high-quality iron concentrate.And copper-lead zinc mixing essence
Ore deposit cupric 4.60%, leaded 2.16%, containing zinc 13.16%, be the raw material preferably reclaiming copper-lead zinc.
Table 8 product quality analysis result (%)
Embodiment 5
The iron concentrate that certain cyanidation tailings flotation obtains, its chemical composition is as shown in table 5 in embodiment 3.
According to the method for patent CN1775371A, by the Concentration Modulation 60% of cyanidation tailings, then add in agitator tank
Concentrated sulphuric acid, butyl xanthate, aerofloat 226 and 2# oil carry out flotation remove impurity.After triple cleaning scans closed cycle twice,
The concentrate product obtained and product from failing are as shown in table 9.As can be seen from Table 9, after above-mentioned chemicals treatment, the product of iron concentrate
Position brings up to 51.74%, but copper-lead zinc also has a small amount of enrichment with the enrichment of troilite, can not remove from iron concentrate.
Therefore, the method is not particularly suited for high-grade iron concentrate.
Table 9 product quality analysis result (%)
Embodiment 6
The iron concentrate that certain lead zinc tailings flotation obtains, its chemical composition is as shown in table 7 in embodiment 4.
According to the method for patent CN1865461A, by the Concentration Modulation 35% of cyanidation tailings, then add in agitator tank
The medicaments such as activated carbon, ferrous sulfate, ammonium persulfate, Calx, butyl xanthate, after asynchronous mixed choosing, obtain copper-lead zinc mixing essence
Ore deposit and iron concentrate, analysis result is as shown in table 10.As can be seen from Table 10, after above-mentioned chemicals treatment, the grade of iron concentrate
Bringing up to 47.80%, in iron concentrate, the content of copper-lead zinc decreases.But DeGrain on the whole.
Table 10 product quality analysis result (%)
Claims (5)
1. the method for floating of decopperized lead zinc from highgrade pyrite concentrate, it is characterised in that: use simple floating agent, use letter
Single flotation flowsheet, can remove a small amount of copper-lead zinc from high-grade iron concentrate, obtain high-quality iron concentrate；Described
Floating agent includes pH regulator, inhibitor and sulfide mineral collector；Described flotation flowsheet comprises the following steps:
A., iron concentrate is put into stirring in agitator tank size mixing, pulp density is adjusted to C=40-60%；
B. in agitator tank, pH regulator is added, stirring while adding, make more than pH values of pulp=11.5, be subsequently adding amino phenols
Inhibitor, is sufficiently stirred for sizing mixing；
C. adding sulfide mineral collector in the ore pulp mixed up, consumption at 20g/t 60g/t, is sufficiently stirred for, then ore pulp is turned
Move on to flotation cell, be sufficiently stirred for, open gas switch and be inflated, open scraper plate and flotation froth is scraped；
D. it is poured into roughly selecting the froth pulp obtained in the flotation cell of primary cleaning, no longer adds any floating agent, stirring
After be filled with air, and open scraper plate the foam of primary cleaning scraped standby.Primary cleaner tailing returns to the thick of subsequent cycle
Choose；
E. the froth pulp of primary cleaning is poured in the flotation cell of recleaning, is filled with air after being sufficiently stirred for, and opens
The foam of recleaning is scraped standby by scraper plate.The mine tailing of recleaning returns in the primary cleaning of subsequent cycle；
F. the froth pulp of recleaning is poured in the flotation cell of triple cleaning, is filled with air after being sufficiently stirred for, and opens
The foam of triple cleaning is scraped by scraper plate.The mine tailing of triple cleaning returns in the recleaning of subsequent cycle；
G. in the groove roughly selected, mine tailing is through vacuum filter filtration, oven drying, and the product obtained is high-quality iron concentrate；
H. the froth pulp of triple cleaning is through vacuum filter filtration, oven drying, obtains copper lead zinc mixing ore concentrate.
2. according to the pH regulator described in claim 1 be calcium oxide, calcium hydroxide, sodium hydroxide, potassium hydroxide and its
In the most several arbitrary proportion combinations.
3. according to the phenol Organic substance that amino phenols inhibitor is band amino described in claim 1.
4. it is diethyldithiocarbamate, second thiamine ester, butylamine black powder, butyl xanthate collecting agent according to the collecting agent described in claim 1.
5., according to the floating operation flow process described in claim 1, need by actual production index, its floatation process concentration times
More than 3 times, scan number of times more than 0 time.
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| CN111167613A (en) * | 2020-01-02 | 2020-05-19 | 湖南工程学院 | Method for comprehensively recovering lead and zinc from sulfur concentrate after lead and zinc separation |
| CN111530622A (en) * | 2020-05-08 | 2020-08-14 | 江西理工大学 | Method for removing impurities from high-grade sulfur concentrate |
| CN111871617A (en) * | 2020-07-17 | 2020-11-03 | 广东省大宝山矿业有限公司 | Sorting method for removing zinc from sulfur concentrate and recycling zinc resource |
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| CN111871617A (en) * | 2020-07-17 | 2020-11-03 | 广东省大宝山矿业有限公司 | Sorting method for removing zinc from sulfur concentrate and recycling zinc resource |
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