CN110152877A - A kind of ore-dressing technique for copper zinc multi-metal sulfide - Google Patents
A kind of ore-dressing technique for copper zinc multi-metal sulfide Download PDFInfo
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- CN110152877A CN110152877A CN201910558031.1A CN201910558031A CN110152877A CN 110152877 A CN110152877 A CN 110152877A CN 201910558031 A CN201910558031 A CN 201910558031A CN 110152877 A CN110152877 A CN 110152877A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
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- 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
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- 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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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- 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
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- 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
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention discloses a kind of ore-dressing technique for copper zinc multi-metal sulfide, comprising the following steps: Step 1: blocky copper zinc ore becomes raw ore slurry through two sections of ball-milling technologies, enters back into copper zinc flotation;Step 2: the agitated slot of flotation concentrate squeezes into Chinese mugwort sand mill;Step 3: the discharge of Chinese mugwort sand mill ore grinding is directly entered the copper-zinc separate flotation that thick two essence two is swept, by the selected acquisition copper concentrate of copper;Step 4: tailing enters copper tail and selects zinc roughing after copper-zinc separate flotation, zinc rough concentrate and the thick tailing of zinc are obtained;The present invention carries out open-circuit grinding to copper zinc multi-metal sulfide using Chinese mugwort sand mill, and simplification of flowsheet reduces cost of investment, improves production efficiency, while also obtaining more excellent flotation effect.
Description
Technical field
The present invention relates to flotation fields, more particularly to a kind of ore-dressing technique for copper zinc multi-metal sulfide.
Background technique
The mutually close symbiosis of copper zinc mineral, disseminated grain size in ore are relatively thin, copper mineral is generally soaked in particulate or microfine
Dye shape is present in zinc mineral, is difficult to monomer dissociation so as to cause two kinds of mineral, FLOTATION SEPARATION is difficult.
If copper zinc mineral reaches monomer dissociation by ore grinding, then the granularity of mineral grain can be very thin, specific surface area
Increase, causes the soluble of mineral to increase, Cu in ore pulp2+Ion concentration increases, and activates zinc mineral, and floatability improves,
Increase the separating difficulty of copper zinc mineral.It can be seen that grinding fineness is to influence one of an important factor for copper zinc ore floating separates.
If grinding fineness is inadequate, part copper zinc mineral can exist in intergrowth inclusion enclave, so that copper zinc mineral is unable to reach list
Body dissociation, will cause in this way metal in each concentrate mutually contain it is excessively high.In addition, it is likely to result in serious argillization phenomenon if overground,
Preferable separating effect is equally not achieved.Therefore the primary factor of copper-znic separation is: according to the property of ore, reasonably control is ground
Mine, graded operation make copper zinc mineral reach suitable liberation degree of minerals, determine reasonable grinding fineness, to be copper zinc mineral
Separation provides suitable liberation degree of minerals, provides important guarantee for the separation of copper zinc mineral.
Copper zinc flotation concentrate is regrinded, and needs to form closed cycle progress ore grinding by cyclone and ball mill, because by ball milling
The limitation of machine steel ball and ore grinding principle, the steel ball much larger than mineral grain is tossed in ball mill and free-falling, so that mine
Composition granule fine grinding has certain randomness and limitation.This process is also by cyclone ore feed pressure, cyclone classification efficiency, ball
Many influences such as grinding machine closed circuit grinding efficiency, the fluctuation of overflow fine degree of discharge are big.In addition, ball mill is situated between using steel ball as ore grinding
Matter, there are overground phenomenons and irony to pollute in grinding process, influences subsequent floatation indicators.
Summary of the invention
The purpose of the present invention is to provide a kind of ore-dressing technique for copper zinc multi-metal sulfide, which utilizes Chinese mugwort sand
Grinding machine carries out open-circuit grinding to copper zinc multi-metal sulfide, and simplification of flowsheet reduces cost of investment, improves production efficiency, together
When also obtain more excellent flotation effect.
To solve this technical problem, the technical scheme is that a kind of dresser for copper zinc multi-metal sulfide
Skill, comprising the following steps:
Step 1: blocky copper zinc ore becomes raw ore slurry through two sections of ball millings, raw ore slurry granularity be by weight percentage less than
74 μm of particle accounts for 65% to 75%, enters back into copper zinc bulk flotation;The rough pulp granularity of gained bulk flotation is with weight percent
Than being calculated as accounting for 70% to 80% less than 74 μm of particle;
Step 2: the rough ore pulp of bulk flotation is the mine of 40% concentration after concentrator adjusts concentration by weight percentage
Slurry squeezes into stirred tank, squeezes into Chinese mugwort sand mill ore grinding after mixing evenly;
Step 3: the discharge of Chinese mugwort sand mill ore grinding is directly entered the copper-zinc separate flotation that thick two essence two is swept, copper-znic separation
Flotation pulp is that size distribution ore pulp particle in 35 μm to 40 μ ms accounts for 80% by weight percentage, copper-zinc separate flotation
Pulp density is 30%-35% by weight percentage;By the selected acquisition copper concentrate of copper;
The milling medium that sand mill uses that ends in step 3 is ceramic dielectric ball;
Step 4: tailing enters copper tail and selects zinc roughing after copper-zinc separate flotation, copper tail selects zinc roughing raw ore with weight percent
80% is accounted at 35 μm to 40 μ m endoparticles than being calculated as in ore pulp size distribution, copper tail selects zinc roughing pulp concentration with weight hundred
Ratio is divided to be calculated as 30%-35%;Obtain zinc rough concentrate and the thick tailing of zinc.
In preferred steps two medicament composition used in the rough ore pulp of bulk flotation include: xanthate, Y89, zinc sulfate and
Sodium sulfite;
The dosage of each substance in medicament composition are as follows: xanthate 40g/t;Y89 10g/t;Zinc sulfate 1400g/t;Sodium sulfite
350g/t.In the present invention xanthate and Y89 as collecting agent, zinc sulfate and sodium sulfite as inhibitor, copper zinc point in step 2
Dosage from roughing Chinese medicine composition works well to copper-znic separation roughing in the present invention is improved.
One is swept in preferred steps three and sweeps two adds 20g/t and 10g/t xanthate respectively.In order to guarantee copper zinc point in step 3
A certain amount of xanthate is supplemented respectively during sweeping one and sweeping two from the effect of flotation.
Milling medium automatic back flow in preferred steps two in Chinese mugwort sand mill carries out circulation ore grinding.End the use of sand mill inside
Segmented independent ore grinding chamber recycles ore grinding design, and by finger-like grading wheel, the centrifugation train of dress formula frame medium of grading wheel draws
Stream design, realizes without screen media automatic back flow, eliminates sieve or cyclone, simplify process flow, reduce investment
While improve production efficiency, the mixed floating concentrate of copper zinc can be milled to the size distribution of particle in ore pulp at 35 μm to 40 μ ms
80% is inside accounted for, so that mineral grain sufficiently dissociates.
It is 20-26 minutes a length of when copper-zinc separate flotation in preferred steps three.Flotation time used in step 3 is short, flotation point
From high-efficient.
The medicament composition that copper tail selects zinc roughing to use in preferred steps four includes xanthate and copper sulphate, and medicament composition is each
The dosage of substance are as follows: xanthate 10g/t, copper sulphate 400g/t.Wherein xanthate is collecting agent, and copper sulphate is activator, and the two makes
With and the selection of dosage effectively improve the copper tail of step 4 and select the efficiency of zinc roughing and the separating effect of flotation.
It is 10-13 minutes a length of when copper tail selects zinc roughing in preferred steps four.Time used in step 4 is short, effectively improves this hair
The efficiency of bright flotation.
Ceramic dielectric ball wear equivalent≤0.5g/kg.h in preferred steps three, as novel milling medium, relatively using forging
It is easy that there are the overground crushing phenomenons that formed to compare when steel or high chrome are as milling medium, not only ore milling product size distribution
Uniformly and ore pulp does not have irony pollution, facilitates the raising of subsequent floatation indicators, and its energy consumption is lower than other media
It is more, and facilitate Chinese mugwort be sanded the course of work stablize.
By using above-mentioned technical proposal, the beneficial effects of the present invention are:
The present invention cooperates the selection and one thick two of raw ore slurry granularity and concentration using the open-circuit grinding mode of Chinese mugwort sand mill
The copper-zinc separate flotation processing step that essence two is swept, saves sieve or cyclone, and simplification of flowsheet reduces cost of investment and improves
Production efficiency;Copper zinc rough concentrate after fine grinding simultaneously is through FLOTATION SEPARATION better effect, more traditional ball-milling technology copper, zinc metal content
And the rate of recovery is improved.
To realize above-mentioned purpose of the invention.
Detailed description of the invention
Fig. 1 is process flow chart of the invention;
Fig. 2 is the perspective view of Chinese mugwort sand mill stirring of the present invention and hierarchical structure;
Fig. 3 is the main view the present invention relates to agitator disk;
Fig. 4 is the main view the present invention relates to grading wheel;
Fig. 5 is the side view the present invention relates to grading wheel.
In figure:
1, wheel disc;2, axis hole;3, wheel disc through-hole;4, fingers;5, axle sleeve;6, agitator disk;7, centre bore;8, agitator disk
Hole;9, agitating shaft;10, it is spaced axle sleeve;11, grading wheel.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
Embodiment 1
The implementation case is carried out in Xinjiang copper mine enterprise, mainly for for copper-zinc separate flotation process.
Process flow as shown in Figure 1, specifically includes the following steps:
Step 1: blocky cupric 2.26%, the vulcanization green ore containing 0.37% bronze medal zinc ore of zinc becomes raw ore slurry through two sections of ball millings,
Raw ore slurry granularity is that the particle less than 74 μm accounts for 65% to 75% by weight percentage, enters back into copper zinc bulk flotation and is contained
Copper 4.17%, the rough concentrate containing zinc 1.39%;
Step 2: the rough ore pulp of bulk flotation is the mine of 40% concentration after concentrator adjusts concentration by weight percentage
Slurry squeezes into stirred tank, squeezes into Chinese mugwort sand mill ore grinding after mixing evenly;Milling medium automatic back flow in step 2 in Chinese mugwort sand mill
Carry out circulation ore grinding;
Medicament composition used in the rough ore pulp of bulk flotation includes: xanthate, Y89, zinc sulfate and sulfurous in step 2
Sour sodium;
The dosage of each substance in medicament composition are as follows: xanthate 40g/t;Y89 10g/t;Zinc sulfate 1400g/t;Sodium sulfite
350g/t。
Step 3: the discharge of Chinese mugwort sand mill ore grinding is directly entered the copper-zinc separate flotation that thick two essence two is swept, copper-znic separation
Flotation pulp is that size distribution ore pulp particle in 35 μm to 40 μ ms accounts for 80% by weight percentage, copper-zinc separate flotation
Pulp density is 30%-35% by weight percentage;By the selected acquisition copper concentrate of copper;
One is swept in step 3 and sweeps two adds 20g/t and 10g/t xanthate respectively.
In step 3 a length of 20 minutes when copper-zinc separate flotation, ceramic dielectric ball (addition rare earth), what the present embodiment used
Ceramic dielectric ball (addition rare earth) purchase is in Jing Dezhen Bai Te Weir new material Co., Ltd, specification are as follows: Φ 1.8-2.0 (experiment
Room) and 3.5-4.0 (production).
Obtain copper-zinc separate flotation Cu Concentrate Grade 26.15%, copper recovery 65.60%;Zinc grade 1.42% in tailing,
Zinc recovery 91.45%.
Carrying out above-mentioned copper-zinc separate flotation test Cu Concentrate Grade using conventional bead mill simultaneously is 18.03%, copper recycling
Rate 35.71%;Zinc grade 1.47% in tailing, zinc recovery 95.97%, see Table 1 for details for specific data comparison.
Step 4: tailing enters copper tail and selects zinc roughing after copper-zinc separate flotation, copper tail selects zinc roughing raw ore with weight percent
80% is accounted at 35 μm to 40 μ m endoparticles than being calculated as in ore pulp size distribution, copper tail selects zinc roughing pulp concentration with weight hundred
Divide than being calculated as 30%-35%, obtains zinc rough concentrate and the thick tailing of zinc;
The medicament composition that copper tail selects zinc roughing to use in step 4 includes xanthate and copper sulphate, each substance of medicament composition
Dosage are as follows: xanthate 10g/t, copper sulphate 400g/t.
It is 10 minutes a length of when copper tail selects zinc roughing in step 4.
It obtains copper tail and selects zinc zinc rough concentrate grade 48.05%, zinc recovery 59.97%.
Using conventional bead mill carry out above-mentioned copper-zinc separate flotation simultaneously and copper tail selects the zinc test zinc concentrate grade to be
40.45%, zinc recovery 58.26%, see Table 2 for details for specific data comparison.
Copper-zinc separate flotation test result in 1 embodiment 1 of table
As it can be seen from table 1 Chinese mugwort sand mill ore grinding Cu Concentrate Grade improves 8.11% compared to traditional ball milling test index,
The rate of recovery improves 29.89%.
Copper tail selects zinc flotation experimental results in 2 embodiment 1 of table
From table 2 it can be seen that Chinese mugwort sand mill ore grinding zinc rough concentrate grade improves 7.6 compared to traditional ball milling test index
Percentage point, the rate of recovery improve 1.17 percentage points.
The present embodiment uses the open-circuit grinding mode of Chinese mugwort sand mill that the copper zinc rough concentrate after fine grinding is imitated through FLOTATION SEPARATION
Fruit more preferably, while additionally aiding the floatation indicators that subsequent copper tail selects zinc process, more traditional ball-milling technology copper, zinc metal content and return
Yield is improved.
The Chinese mugwort sand mill that the present embodiment uses has stirring and classification mechanism, as shown in Fig. 2 to 5, by agitating shaft 9, stirring
Disk 6, interval axle sleeve 10, grading wheel 11 are constituted;Specifically, 9 upper ring cap of agitating shaft connects 8 or 9 agitator disks 6, agitating shaft 9
The centre bore 7 at 6 center of agitator disk is passed across, there is an interval axle sleeve 10 between two adjacent agitator disks 6, be spaced axle sleeve 10
Ring set is connected to agitating shaft 9.
The agitator disk 6 is circle, and disk has 5 stirring disk hole, 8,5 stirring disk hole 8 centered on centre bore 7
Circumferentially arrange;Specifically, stirring 8 shape of disk hole consists of three parts, intermediate portion is sector, and the part at both ends is semicircle
Shape, it is fan-shaped and semicircle for rounding off;The a circumferentially circle uniformly arrangement of 5 stirring disk hole, two adjacent stirring disk hole 8
Between spacing not less than stirring 8 length of disk hole half.
As shown in figure 4, the grading wheel 11 is located at the end of agitating shaft 9, the wheel disc 1 comprising circular plate, in wheel disc 1
The heart is circular axis hole 2, around 6 wheel disc through-holes 3 around axis hole 2, radial point centered on axis hole 2 of wheel disc through-hole 3
Cloth;Wheel disc through-hole 3 is " goose egg " shape, and the section of wheel disc through-hole 3, the inner end close to axis hole 2 is set as semi-cylindrical hill
Shape, the outer end far from axis hole 2 is set as the shape of semi-cylindrical hill, and the semicircle diameter of inner end is less than the half of outer end
Round diameter connects angled straight lines between inner end and outer end.
In the present embodiment, the course of work of the copper Zinc metal sulfur mine in Chinese mugwort sand mill is as follows:
9 high speed rotation of agitating shaft is driven by main motor when work, agitating shaft 9 drives classification mechanism rotation, classification mechanism
Centripetal force is generated after fingers 4 and the drainage design rotation of 1 medium of wheel disc, centripetal force naturally concentrates fine grained toward central core region,
Coarse granule gets rid of edge around, because of the extruding (feed pump feeding is come in) by upstream large or fine granule slurry, qualified product
Particle output, and coarse granule returns to cylinder upstream along barrel and continues to grind, until reaching release mesh.Likewise, because of grinding
Medium size and quality are all greatly in ore grinding particle, so abrasive media is able to stay in cylinder during running at high speed.
Furthermore the design of segmented independent ore grinding chamber circulation ore grinding is so that milling medium is radially accelerated by the drive of agitator disk 6
It moves out.Medium between two agitator disks 6 is due to different along the outwardly radial acceleration of disk, thus in each agitator disk
Circulation is formed in chamber, mineral realize ore grinding under the agitation of medium.Due to there is multiple ore grinding chambers, from mill feeding
Short circuit is not likely to form to discharge.So that the chance collided between medium and mineral grain greatly increases, to obtain
The narrow product of particle diameter distribution realizes Chinese mugwort sand mill open-circuit grinding process.
The present embodiment is thick using the selection of the open-circuit grinding mode cooperation raw ore slurry granularity and concentration of Chinese mugwort sand mill and one
The copper-zinc separate flotation processing step that two essences two are swept, saves sieve or cyclone, and simplification of flowsheet reduces cost of investment and mentions
High efficiency;Copper zinc rough concentrate after fine grinding simultaneously is through FLOTATION SEPARATION better effect, more traditional ball-milling technology copper, zinc hard goods
Position and the rate of recovery are improved.
Embodiment 2
The present embodiment uses raw material and processing step same as Example 1, mainly for medium ball in grinding process
Selection.
The present embodiment uses the ceramic dielectric ball same size with embodiment 1 and the ceramic dielectric ball (addition of purchase producer
Rare earth), the result that the present embodiment carries out separating flotation to copper zinc is as shown in Table 3 below.
3 the present embodiment copper-zinc separate flotation result of table
From table 1 and 3 data comparison of table is combined it is found that being compared to using the ceramic dielectric ball (addition rare earth) after optimization is made
With ceramic dielectric ball to Flotation separation of copper from zinc better effect, copper metal grade and the rate of recovery are improved, and are more suitable for the present embodiment
Use.
Claims (8)
1. a kind of ore-dressing technique for copper zinc multi-metal sulfide, it is characterised in that:
The following steps are included:
Step 1: blocky copper zinc ore becomes raw ore slurry through two sections of ball millings, raw ore slurry granularity is less than 74 μm by weight percentage
Particle account for 65% to 75%, enter back into copper zinc bulk flotation;The rough pulp granularity of gained bulk flotation is by weight percentage
70% to 80% is accounted for for the particle less than 74 μm;
Step 2: the rough ore pulp of bulk flotation is beaten by weight percentage for the ore pulp of 40% concentration after concentrator adjusts concentration
Enter stirred tank, squeezes into Chinese mugwort sand mill ore grinding after mixing evenly;
Step 3: the discharge of Chinese mugwort sand mill ore grinding is directly entered the copper-zinc separate flotation that thick two essence two is swept, copper-zinc separate flotation
Ore pulp is that size distribution ore pulp particle in 35 μm to 40 μ ms accounts for 80% by weight percentage, copper-zinc separate flotation ore pulp
Concentration is 30%-35% by weight percentage;By the selected acquisition copper concentrate of copper;
The milling medium that sand mill uses that ends in step 3 is ceramic dielectric ball;
Step 4: tailing enters copper tail and selects zinc roughing after copper-zinc separate flotation, copper tail selects zinc roughing raw ore by weight percentage
80% is accounted at 35 μm to 40 μ m endoparticles for size distribution in ore pulp, copper tail selects zinc roughing pulp concentration with weight percent
It is calculated as 30%-35%;Obtain zinc rough concentrate and the thick tailing of zinc.
2. a kind of ore-dressing technique for copper zinc multi-metal sulfide as described in claim 1, it is characterised in that: in step 2
Medicament composition used in the rough ore pulp of bulk flotation includes: xanthate, Y89, zinc sulfate and sodium sulfite;
The dosage of each substance in medicament composition are as follows: xanthate 40g/t;Y89 10g/t;Zinc sulfate 1400g/t;Sodium sulfite
350g/t。
3. a kind of ore-dressing technique for copper zinc multi-metal sulfide as claimed in claim 2, it is characterised in that: in step 3
It sweeps one and sweeps two and add 20g/t and 10g/t xanthate respectively.
4. a kind of ore-dressing technique for copper zinc multi-metal sulfide as described in claim 1, it is characterised in that: in step 2
Milling medium automatic back flow in Chinese mugwort sand mill carries out circulation ore grinding.
5. a kind of ore-dressing technique for copper zinc multi-metal sulfide as described in claim 1, it is characterised in that: in step 3
It is 20-26 minutes a length of when copper-zinc separate flotation.
6. a kind of ore-dressing technique for copper zinc multi-metal sulfide as described in claim 1, it is characterised in that: in step 4
The medicament composition that copper tail selects zinc roughing to use includes xanthate and copper sulphate, the dosage of each substance of medicament composition are as follows: xanthate
10g/t, copper sulphate 400g/t.
7. a kind of ore-dressing technique for copper zinc multi-metal sulfide as claimed in claim 6, it is characterised in that: in step 4
Copper tail is 10-13 minutes a length of when selecting zinc roughing.
8. a kind of ore-dressing technique for copper zinc multi-metal sulfide as described in claim 1, it is characterised in that: in step 3
Its equivalent abrasion≤0.5g/kg.h of ceramic dielectric ball.
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CN112844818A (en) * | 2021-01-08 | 2021-05-28 | 湖南有色金属研究院 | Beneficiation separation method for copper-zinc sulfide ore |
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CN102698875A (en) * | 2012-06-15 | 2012-10-03 | 紫金矿业集团股份有限公司 | Ore dressing technology for complex copper-zinc-sulfur multi-metal ore |
CN104475261A (en) * | 2014-12-11 | 2015-04-01 | 中国科学院过程工程研究所 | Method for recovering low-grade copper-zinc mineral from cyanidation tailings |
RU2588090C1 (en) * | 2015-05-05 | 2016-06-27 | Совместное предприятие в форме закрытого акционерного общества "Изготовление, внедрение, сервис" | Method for flotation of sulphide ore |
CN105833984A (en) * | 2016-06-07 | 2016-08-10 | 浙江艾领创矿业科技有限公司 | Ai sand mill free of screen classification |
CN107413513A (en) * | 2017-06-07 | 2017-12-01 | 中南大学 | The method for floating of copper sulfide zinc ore |
CN109092519A (en) * | 2017-09-01 | 2018-12-28 | 景德镇百特威尔新材料有限公司 | A kind of Ball-stirring mill of non-steel ball medium and the sand milling efficient combination grinding process that ends |
CN108405191A (en) * | 2018-02-11 | 2018-08-17 | 广西华洋矿源材料有限公司 | A kind of choosing method of lead-zinc sulfide ore |
CN109174459A (en) * | 2018-09-10 | 2019-01-11 | 北京矿冶科技集团有限公司 | The beneficiation method of high sulfur-lead-zinc ore under a kind of hot environment |
Cited By (1)
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CN112844818A (en) * | 2021-01-08 | 2021-05-28 | 湖南有色金属研究院 | Beneficiation separation method for copper-zinc sulfide ore |
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