CN105855036B - A kind of shallow crust structures beneficiation method of high sulfur copper ore - Google Patents
A kind of shallow crust structures beneficiation method of high sulfur copper ore Download PDFInfo
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- CN105855036B CN105855036B CN201610307695.7A CN201610307695A CN105855036B CN 105855036 B CN105855036 B CN 105855036B CN 201610307695 A CN201610307695 A CN 201610307695A CN 105855036 B CN105855036 B CN 105855036B
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- flotation
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- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 70
- 229910052802 copper Inorganic materials 0.000 claims abstract description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 60
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000005188 flotation Methods 0.000 claims abstract description 39
- 229910052742 iron Inorganic materials 0.000 claims abstract description 30
- 239000012141 concentrate Substances 0.000 claims abstract description 27
- 238000007885 magnetic separation Methods 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052683 pyrite Inorganic materials 0.000 claims abstract description 13
- 239000011028 pyrite Substances 0.000 claims abstract description 13
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims abstract description 13
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 10
- 239000004571 lime Substances 0.000 claims abstract description 10
- 239000004088 foaming agent Substances 0.000 claims abstract description 9
- 239000003112 inhibitor Substances 0.000 claims abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 8
- 239000011707 mineral Substances 0.000 claims abstract description 8
- 239000005864 Sulphur Substances 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 239000006148 magnetic separator Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000001802 infusion Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001779 copper mineral Inorganic materials 0.000 description 3
- 239000000686 essence Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 229910052948 bornite Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical group [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical group [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 229910052637 diopside Inorganic materials 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical compound [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
- B03D1/002—Inorganic 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
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- 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
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- 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
- B03D2201/04—Frothers
-
- 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 shallow crust structures beneficiation methods of high sulfur copper ore, high sulfur copper ore raw ore is crushed, ore grinding, classification, Grading Overflow is fed into low intensity magnetic separation operation, selects inferior fine magnetite concentrate in advance --- magnetic iron ore, discharge weakly magnetic tailings；Weakly magnetic tailings are fed into copper flotation operation, obtain Cu grades>18%th, copper recovery>85% copper concentrate discharges copper flotation tailing；Copper flotation operation operation uses lime as pH regulators and pyrite inhibitor, butyl xanthate are collecting agent, 2# oil is foaming agent；Copper flotation tailing feeds flotation and sulphur operation is selected to obtain iron concentrate, true tailings of dishing out.The present invention has many advantages, such as few mineral processing index stabilization, reagent consumption amount, clean environment firendly, easy to operate, the easily operated management in scene, magnetic iron ore is selected using low intensity magnetic separation in advance, exclude interference of the magnetic iron ore to copper flotation, substantially improve copper floatation indicators, Cu Concentrate Grade and copper recovery is avoided to fluctuate the phenomenon that big, energy conservation and consumption reduction effects are notable.
Description
Technical field
The invention belongs to copper ore dressing technical fields, and in particular to a kind of beneficiation method of high sulfur copper ore, for containing magnetic
Pyrite, pyrite are more than more than 10%, magnetic iron ore, pyrite and the height based on magnetic iron ore for sulfur content
Copper, the sulphur content of sulphur copper mine select especially suitable.
Background technology
The copper mineral overwhelming majority in chalcopyrite-magnetic iron ore type copper mine is chalcopyrite, separately there is minimal amount of bornite, copper
The mineral such as blue and vallerite.Other metalliferous minerals are mainly monocline pyrrhotine, secondly for hexa-pyrrhotite, pyrite and
Magnetic iron ore separately has other mineral such as a small amount of siderite, limonite, rutile and micro zincblende, galena.Gangue mineral
Secondly predominantly brownmillerite garnet is diopside and calcite, quartz, serpentine, muscovite, feldspar, anhydrite, black clouds
Mother, talcum etc. separately have other ore deposits such as a small amount of fluorite, apatite, dolomite, kaolinite, wollastonite, chlorite and olivine
Object.
Such high sulfur copper ore stone ore properties are complicated, difficult, frequently be Selective Cu flotation-copper tailing magnetic separation select sulphur-
Magnetic tail flotation flow sheet of pyrite concentration, Selective Cu flotation technique are swept for one thick, two essences, three；Copper tailing one is thick, a smart magnetic separation, magnetic separation tail
Sulphur is selected in ore deposit flotation.
This technological process is in the actual production process of mine, due to containing a large amount of magnetic iron ore, and magnetic Huang iron in raw ore
Ore deposit has the characteristic of " hardly possible inhibits ", " difficult to activate ", that is, is difficult to it be made all to float, and be difficult to pass through inhibition by activator effect
It is all pressed into slot bottom by agent effect, so the presence of magnetic iron ore, in floatation process, often plays negative impact, is disliked
Change sorting index so that floatation process is complicated, reagent consumption amount is big, and separating effect is undesirable, leads to Cu Concentrate Grade (13-
16%) and the rate of recovery (75-83%) fluctuation is big, is difficult to control in production；And a large amount of inhibitor is added when selecting copper and is inhibited
Troilite can influence magnetic tail flotation and select sulphur operation.Moreover, since pharmaceutical use is big, contain in tailing and tailing water
A large amount of floating agents also adversely affect environment
Invention content
The purpose of the present invention provides a kind of clean environment firendly, efficiently section aiming at drawbacks described above present on the prior art
The shallow crust structures ore dressing side for the high sulfur copper ore that energy, technical indicator are stable, floatation equipment number of units and various floating agent consumptions are few
Method.
Purpose to realize the present invention, a kind of shallow crust structures beneficiation method of high sulfur copper ore of the present invention pass through following technical side
Case is realized：
(1) according to the Khenpo granularity of copper, sulfur mineral in ore, high sulfur copper ore raw ore is crushed, ore grinding, classification, reach
To rational feed particle size：
(2) Grading Overflow being fed into low intensity magnetic separation operation, selects inferior fine magnetite concentrate in advance --- magnetic iron ore discharges weak magnetic tail
Ore deposit；
The low intensity magnetic separation operation is advisable using one roughing, primary cleaning, and roughing selected all uses Wet-type permanent magnet drum type
Magnetic separator.
(3) weakly magnetic tailings are fed into copper flotation operation, obtains copper concentrate, discharge copper flotation tailing；Copper flotation operation uses
Lime is pH regulators and pyrite inhibitor, butyl xanthate are collecting agent, 2# oil is foaming agent；
(4) copper flotation tailing feeds flotation and selects sulphur operation acquisition iron concentrate, true tailings of dishing out.
The magnetic induction intensity of the Wet-type permanent magnet drum type magnetic separator ranging from 0.20-0.25 teslas.
The copper flotation operation uses：One roughing --- copper roughing, selected twice --- selected I, selected II, three times
Scan --- I is scanned, II is scanned, scans III.Selected I tailing, scan I concentrate merge after return copper roughing, it is selected
II tailing returns to selected I, and the concentrate return for scanning II scans I, and the concentrate return for scanning III scans II.
In copper flotation operation one roughing pH regulators lime consumption be 1500-2000g/t, collecting agent butyl xanthate dosage
For 30-40g/t, foaming agent 2# oil dosages 20-30g/t；Middle addition inhibitor lime 80-120g/t respectively selected twice, with 90-
110g/t is excellent, and 100g/t is best；Collecting agent butyl xanthate 8-12g/t, foaming agent 2# oil 16- are added in scanning three times
24g/t, butyl xanthate using 9-11g/t, foaming agent 2# oil using 18-22g/t to be excellent, butyl xanthate with 10g/t, foaming agent 2# oil with
20g/t is best.Above-mentioned all additive amount of medicament are scaled the dry mine amount to raw ore.
Ore grinding uses overflowball mill in the step (1), and being classified is advisable using hydrocyclone, grain in Grading Overflow
It spends and the 65-80% of Grading Overflow material gross mass is accounted for for the quality of material content of -0.076mm is advisable.
The occurrence of the parameters such as above-mentioned grinding particle size, magnetic induction intensity, dosing can all lead to according to ore properties
Laboratory results is crossed to determine.
Compared with prior art, a kind of shallow crust structures beneficiation method of high sulfur copper ore of the present invention has the following advantages that：
(1) magnetic iron ore is selected by low intensity magnetic separation operation in advance before copper flotation, the magnetic Huang of difficult inhibition, difficult activation can be excluded
Interference of the iron ore to copper flotation operation not only improves Cu Concentrate Grade and the rate of recovery, but also Cu Concentrate Grade and copper is avoided to recycle
The generation for the phenomenon that rate fluctuation is big is conducive to the stabilization of production target.
(2) realize that magnetic iron ore is detached with copper mineral using magnetic separation in advance, loss late of the copper in inferior fine magnetite concentrate is about
3.5%, after the copper flotation again compared with low intensity magnetic separation, loss late of the copper in inferior fine magnetite concentrate is suitable, illustrate to select magnetic in advance yellow
Iron ore does not interfere with the rate of recovery of copper concentrate.
(3) magnetic iron ore and copper mineral are detached using magnetic separation, compared with flotation, there is clean environment firendly, production is stablized, operation letter
Just the advantages that.
(4) after magnetic iron ore is selected, when copper flotation, only needs to inhibit pyrite, and difficulty is greatly lowered.
(5) after magnetic iron ore is selected in advance, being helped to reduce the treating capacity of subsequent copper flotation, (treating capacity can reduce about
20%) copper floatation equipment number of units, can be greatlyd save and various floating agent consumptions, energy conservation and consumption reduction effects are notable.
Description of the drawings
Fig. 1 is a kind of principle process flow chart of the shallow crust structures beneficiation method of high sulfur copper ore of the present invention.
Specific embodiment
To further describe the present invention, below in conjunction with the accompanying drawings, to a kind of shallow crust structures ore dressing side of high sulfur copper ore of the present invention
Method is for a more detailed description.
The raw ore used in embodiment is the high sulfur copper ore of certain nonferrous metal mine, raw ore cupric 0.94%, sulfur-bearing
12.53%, sulfur mineral is magnetic iron ore, pyrite, wherein based on magnetic iron ore, magnetic iron ore accounts for 17.57%, and pyrite accounts for
6.90%, belong to high-sulfur, the difficult copper selected, sulphur iron complex ore.
A kind of principle process flow chart of the shallow crust structures beneficiation method of high sulfur copper ore of the present invention as shown in Figure 1 finds out,
A kind of shallow crust structures beneficiation method of high sulfur copper ore of the present invention includes following technique, step：
(1) high sulfur copper ore carries out ore grinding-classification, and Grading Overflow meets feed particle size requirement.
High sulfur copper ore is fed into ball mill and carries out ore grinding, ball mill ore discharging enters cyclone and is classified, hydrocyclone sand
It returns to ball mill and is formed closed circuit, cyclone overflow enters low intensity magnetic separation operation.
Ore grinding uses grate ball mill, and classification is using hydrocyclone.Grading Overflow granularity is controlled with -0.076mm
65-70% ranges.
(2) Grading Overflow carries out low intensity magnetic separation, selects magnetic iron ore in advance.
Hydrocyclone overflow is fed into weak magnetic separator and carries out low intensity magnetic separation, is selected in advance before copper flotation operation and copper is floated
Big magnetic iron ore (inferior fine magnetite concentrate) is interfered in choosing, and magnetic tailing enters copper flotation operation.
Low intensity magnetic separation flow is a thick, essence, and using Wet-type permanent magnet drum type magnetic separator, the magnetic induction intensity of low intensity magnetic separation roughing is
0.23-0.25 teslas, the selected magnetic induction intensity of low intensity magnetic separation are 0.20-0.22 teslas.
(3) weakly magnetic tailings carry out copper flotation.
Low intensity magnetic separation tailing feeds copper flotation operation, selects copper through flotation, obtains Cu grades>18%th, the rate of recovery>85% copper essence
Ore deposit.
Copper flotation operation uses agitation impeller flotator, and flotation operation uses one roughing, selected twice, scans three times
It is advisable, one roughing --- copper roughing is selected twice --- selected I, selected II, scan three times --- I is scanned, II is scanned, sweeps
Select III；Selected I tailing, scan I concentrate merge after return to copper roughing, selected II tailing returns to selected I, scans II
Concentrate return scan I, scan III concentrate return scan II.
Copper flotation operation uses lime as pH regulators and pyrite inhibitor, butyl xanthate are collecting agent, 2# oil is
Infusion；The roughing pH regulators lime consumption be 1500-2000g/t, collector dosage 30-40g/t, frother dosages
20-30g/t is advisable.Copper is selected to add inhibitor dosage 100g/t respectively, and copper scans addition collecting agent 10g/t, foaming agent
20g/t。
Above-mentioned all additive amount of medicament are scaled the dry mine amount to raw ore.
(4) copper flotation tailing feeds flotation and selects sulphur operation acquisition iron concentrate, true tailings of dishing out.
Claims (2)
1. a kind of shallow crust structures beneficiation method of high sulfur copper ore, more than 10% and common with magnetic iron ore, pyrite for sulfur content
The sorting of high sulfur copper ore raw and based on magnetic iron ore, it is characterised in that including following technique, step：
(1) according to the Khenpo granularity of copper, sulfur mineral in ore, high sulfur copper ore raw ore is crushed, ore grinding, classification, reach conjunction
The feed particle size of reason；The ore grinding uses grate ball mill, classification using hydrocyclone, in Grading Overflow granularity for-
The quality of material content of 0.076mm accounts for the 65-80% of Grading Overflow material gross mass；
(2) Grading Overflow being fed into low intensity magnetic separation operation, selects inferior fine magnetite concentrate in advance --- magnetic iron ore discharges weakly magnetic tailings；
The low intensity magnetic separation operation is roughing, selected all using Wet-type permanent magnet drum type magnetic separator using one roughing, primary cleaning,
The magnetic induction intensity of low intensity magnetic separation roughing is 0.23-0.25 teslas, the selected magnetic induction intensity of low intensity magnetic separation for 0.20-0.22 it is special this
It draws；
(3) weakly magnetic tailings are fed into copper flotation operation, obtains Cu grades>18%th, the rate of recovery>85% copper concentrate, discharge copper float
Select tailing；Copper flotation operation uses lime as pH regulators and pyrite inhibitor, butyl xanthate are collecting agent, 2# oil is blistering
Agent；
The copper flotation operation uses：One roughing --- copper roughing, selected twice --- selected I, selected II, it sweeps three times
Choosing --- I is scanned, II is scanned, scans III；
Selected I tailing, scan I concentrate merge after return to copper roughing, selected II tailing returns to selected I, scans II
Concentrate return scan I, scan III concentrate return scan II；One roughing pH regulators lime is used in the copper flotation operation
It measures as 1500-2000g/t, collecting agent butyl xanthate dosage is 30-40g/t, foaming agent 2# oil dosages 20-30g/t；It is selected twice
Middle addition inhibitor lime 80-120g/t respectively；Middle difference is scanned three times respectively to add collecting agent butyl xanthate 8-12g/t, rise
Infusion 2# oil 16-24g/t；All additive amount of medicament are scaled the dry mine amount to raw ore；
(4) copper flotation tailing feeds flotation and selects sulphur operation acquisition iron concentrate, true tailings of dishing out.
2. a kind of shallow crust structures beneficiation method of high sulfur copper ore as described in claim 1, it is characterised in that：Divide in selected twice
It Tian Jia not inhibitor lime 90-110g/t；Collecting agent butyl xanthate 9-11g/t, foaming agent 2# oil 18- are added in scanning three times
22g/t。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307695.7A CN105855036B (en) | 2016-05-10 | 2016-05-10 | A kind of shallow crust structures beneficiation method of high sulfur copper ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610307695.7A CN105855036B (en) | 2016-05-10 | 2016-05-10 | A kind of shallow crust structures beneficiation method of high sulfur copper ore |
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| CN106583022A (en) * | 2016-11-23 | 2017-04-26 | 昆明理工大学 | Beneficiation method for copper-nickel sulfide ore containing pyrrhotite |
| CN106733216A (en) * | 2016-12-27 | 2017-05-31 | 云南锡业股份有限公司卡房分公司 | A kind of beneficiation method of the tin copper symbiotic sulfide ore rich in magnetic iron ore |
| CN107876214B (en) * | 2017-11-13 | 2022-06-17 | 中国地质科学院郑州矿产综合利用研究所 | Copper-containing magnetite ore sorting method |
| CN108043588B (en) * | 2018-01-02 | 2024-01-12 | 中国恩菲工程技术有限公司 | System for retrieve cobalt sulphur concentrate from fine particle iron tailings |
| CN108787155B (en) * | 2018-04-04 | 2020-10-27 | 云南迪庆矿业开发有限责任公司 | High-sulfur iron-copper ore flotation treatment method |
| CN109382212A (en) * | 2018-12-11 | 2019-02-26 | 安徽马钢罗河矿业有限责任公司 | A method of it is extremely low containing sorting copper in copper sulfide concentrate from copper grade |
| CN109701753A (en) * | 2019-01-03 | 2019-05-03 | 北京矿冶科技集团有限公司 | A kind of inhibitor and beneficiation method of high-sulfur hard-processing copper sulfur ores |
| CN109499749A (en) * | 2019-01-11 | 2019-03-22 | 长春黄金研究院有限公司 | One kind is containing flotation of gold and copper process in golden Copper Magnet mine |
| CN113617520B (en) * | 2021-08-11 | 2023-12-15 | 矿冶科技集团有限公司 | Beneficiation method and application of copper-sulfur ore |
| CN114226063A (en) * | 2021-11-30 | 2022-03-25 | 西北矿冶研究院 | Method for recovering wollastonite from copper-dressing tailings |
| CN115582222B (en) * | 2022-01-24 | 2024-08-23 | 昆明理工大学 | Mineral dressing auxiliary agent for high-sulfur copper-sulfur ore and mineral dressing method |
| CN114632620A (en) * | 2022-03-07 | 2022-06-17 | 广东省大宝山矿业有限公司 | Beneficiation method for recovering copper, zinc and sulfur from zinc-containing copper-sulfur ore |
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