CN104258981B - A kind of franklinite sorting process - Google Patents
A kind of franklinite sorting process Download PDFInfo
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- CN104258981B CN104258981B CN201410467589.6A CN201410467589A CN104258981B CN 104258981 B CN104258981 B CN 104258981B CN 201410467589 A CN201410467589 A CN 201410467589A CN 104258981 B CN104258981 B CN 104258981B
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- zinc
- concentrate
- franklinite
- sorting process
- flotation
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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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention belongs to composite ore technical field of beneficiation, particularly a kind of franklinite sorting process, including zinc concentrate sorting process and iron ore concentrate sorting process, two kinds of valuable minerals sort order for first to select zinc concentrate with flotation, after select iron ore concentrate with magnetic separation.Using sorting process of the present invention, effectively reclaimed qualified zinc concentrate and iron ore concentrate, the valuable mineral response rate is higher, saves energy consumption, reduces production cost.
Description
Technical field
The invention belongs to composite ore technical field of beneficiation, particularly a kind of franklinite sorting process.
Background technology
Containing in Xinjiang of China Hejing County by the zinc-iron Ore enriched, valuable mineral is mostly magnetic iron ore and sphalerite.Should
Area enters to grind the grade of zinc-iron iron in ore and focuses mostly at 35%-37%, and the grade of zinc is at 1.1%-1.2%.Owing to zinc dodges in this area
In ore deposit, the disseminated grain size of zinc is too thin, it is generally required to dissociate to-400 mesh more than 85% can sort out qualified zinc concentrate, and mill
Ore deposit energy consumption is higher, so the ore dressing plant that this area processes zinc-iron Ore the most only selects ferrum not select zinc, causes the waste of zinc resource.
So we are necessary that developing one can obtain qualified zinc concentrate and iron ore concentrate, the valuable mineral response rate is higher, saves energy consumption,
Reduce the franklinite sorting process of production cost.
Summary of the invention
It is an object of the invention to provide invention one and can obtain qualified zinc concentrate and iron ore concentrate, the valuable mineral response rate is relatively
Height, saves energy consumption, reduces the franklinite sorting process of production cost.
It is an object of the invention to be realized by following technical proposals:
A kind of franklinite sorting process of the present invention, it is characterised in that: include that zinc concentrate sorting process and iron ore concentrate sort
Technique, two kinds of valuable minerals sort order for first to select zinc concentrate with flotation, after select iron ore concentrate with magnetic separation, concrete steps are such as
Under:
A, being 35%-37% by Iron grade, zinc grade is 1.15%-1.2%, and granularity is that the franklinite raw ore of 0-12mm feeds one
Section ball milling-cyclone I is closed circuit, and overflow granularity controls at-200 mesh 55%-60%；
The closed circuit overflow product of b, one section of ball milling-cyclone I feeds zinc rough floatation operation, and the concentrate of zinc rough floatation operation is given
Entering zinc ball milling-cyclone II closed circuit, the overflow granularity of cyclone II is that the product of-400 mesh 85% feeds zinc cleaner flotation operation, zinc
The mine tailing of rough floatation operation feeds zinc coarse scan flotation operation；
C, zinc cleaner flotation operation are made up of continuous four sections of zinc cleaner flotations, and the mine tailing of next section of zinc cleaner flotation returns the preceding paragraph zinc
Cleaner flotation, the concentrate of the 4th section of zinc cleaner flotation operation is final zinc concentrate, and grade reaches more than 45%, zinc recovery more than 85%,
The mine tailing of one section of zinc cleaner flotation feeds zinc essence and sweeps flotation operation；
The concentrate of concentrate and zinc coarse scan flotation operation that d, zinc essence sweep flotation operation together returns to zinc rough floatation operation；
E, the mine tailing of zinc coarse scan flotation operation feed the thick magnetic concentration working of ferrum, the concentrate of the thick magnetic concentration working of ferrum feed iron ball mill-
Cyclone III is closed circuit, and the closed circuit product of-200 mesh content 80% feeds Haematite magnetic concentration working, it is thus achieved that concentrate be final iron ore concentrate,
Described iron concentrate grade is more than 65%, and the response rate is more than 85%.
It is final that the mine tailing of the thick magnetic concentration working of described ferrum, Haematite magnetic concentration working iron tailings and zinc essence sweep flotation operation mine tailing
Mine tailing.
The collecting agent butyl xanthate added in described zinc rough floatation operation, dry mining amount per ton is 80g, and foaming agent is
2# oil, dry mining amount per ton is 30g, zinc activator copper sulfate, and dry mining amount per ton is 300g, and quartz suppression is agent calcium oxide,
Dry mining amount per ton is 800g.
Described zinc rough floatation operation, in can obtaining, zinc rough floatation concentrate yield is 4%-5%, and zinc recovery is 93%-95%,
Zinc grade is 25%-27%.
Zinc rough floatation operation described in employing, can obtain zinc rough floatation operation concentrate, and zinc grade is 25%-27%, and productivity is
4%-5%, zinc recovery is 93%-95%.
Zinc activator copper sulfate, dry mining amount 50g per ton, quartz inhibitor oxygen is added in described zinc cleaner flotation operation
Change calcium dry mining amount 200g per ton.
Zinc cleaner flotation operation described in employing, can obtain the concentrate of zinc cleaner flotation operation, and zinc grade reaches more than 45%, and zinc returns
Yield more than 85%.
Adding collecting agent butyl xanthate in described zinc coarse scan flotation operation, dry mining amount 10g per ton, foaming agent 2# oil is every
Dry mining amount 5g of ton.
Zinc coarse scan flotation operation described in employing, can obtain zinc and sweep flotation operation concentrate, and zinc grade is 5.7%, zinc recovery
It is 3%.
The invention have the advantage that
1) the technique franklinite of the present invention feeds zinc rough floatation operation after primary grinding, at the base ensureing zinc high-recovery
Mine-supplying quantity that zinc ball milling-cyclone closed circuit is greatly reduced on plinth, reduces energy consumption, saved production cost；
2) one section of zinc rough floatation, one section of zinc coarse scan flotation, four sections of zinc cleaner flotations are used due to the zinc flotation operation of the present invention
Flotation is swept, it is thus achieved that the grade of final zinc concentrate product is more than 45%, and zinc recovery reaches more than 85%, high-quality with one section of zinc essence
The acquisition of high-recovery zinc concentrate greatly adds the economic benefit in ore dressing plant；
3) zinc coarse scan flotation tailing is fed ferrum magnetic separation process by the present invention, makes iron concentrate grade reach more than 65%, the response rate
More than 85%, the response rate of ferrum is high；Add the economic benefit selecting factory.
Using sorting process of the present invention, effectively reclaimed qualified zinc concentrate and iron ore concentrate, the valuable mineral response rate is higher,
Save energy consumption, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the present invention.
Detailed description of the invention
Further illustrate the detailed description of the invention of the present invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of franklinite sorting process of the present invention, it is characterised in that: include zinc concentrate sorting process and
Iron ore concentrate sorting process, two kinds of valuable minerals sort order for first to select zinc concentrate with flotation, after select iron ore concentrate with magnetic separation,
Specifically comprise the following steps that
A, being 35%-37% by Iron grade, zinc grade is 1.15%-1.2%, and granularity is that the franklinite raw ore of 0-12mm feeds one
Section ball milling-cyclone I is closed circuit, and overflow granularity controls at-200 mesh 55%-60%；
The closed circuit overflow product of b, one section of ball milling-cyclone I feeds zinc rough floatation operation, in described zinc rough floatation operation
The collecting agent butyl xanthate of middle addition, dry mining amount 80g per ton, foaming agent 2# oil, dry mining amount 30g per ton, zinc activator sulphuric acid
Copper, dry mining amount 300g quartz inhibitor calcium oxide per ton, dry mining amount 800g per ton, it is thus achieved that zinc rough floatation concentrate yield is
4%-5%, zinc recovery is 93%-95%, and zinc grade is 25%-27%.
The concentrate of zinc rough floatation operation being fed zinc ball milling-cyclone II closed circuit, the overflow granularity of cyclone II is-400
The product of mesh 85% feeds zinc cleaner flotation operation, and the mine tailing of zinc rough floatation operation feeds zinc coarse scan flotation operation, makees for zinc cleaner flotation
Industry creates favorable conditions；
The overflow product of cyclone II feeds zinc cleaner flotation operation, the zinc grade 0.19% of zinc rough floatation operation, zinc recovery
The mine tailing of 10%-12% feeds zinc coarse scan flotation operation；Addition collecting agent butyl xanthate in flotation operation is swept at described zinc, per ton dry
Mining amount 10g, foaming agent 2# oil dry mining amount 5g per ton, it is thus achieved that zinc sweeps flotation operation concentrate, and zinc grade is 5.7%, zinc recovery
It is 3%.
Zinc rough floatation operation, greatly reduces zinc ball milling-cyclone closed circuit on the basis of ensureing zinc high-recovery
Mine-supplying quantity, reduces energy consumption, has saved production cost.
C, zinc cleaner flotation operation are made up of continuous four sections of zinc cleaner flotations, and the mine tailing of next section of zinc cleaner flotation returns the preceding paragraph zinc
Cleaner flotation, the concentrate of the 4th section of zinc cleaner flotation operation is final zinc concentrate,
Zinc activator copper sulfate, dry mining amount 50g per ton, quartz inhibitor oxidation is added in every section of zinc cleaner flotation operation
Calcium dry mining amount 200g per ton；Obtain the concentrate of zinc cleaner flotation operation through continuous four sections of zinc cleaner flotation operations, zinc grade reaches 45%
Above, zinc recovery more than 85%.
High-quality high-recovery zinc concentrate, greatly adds the economic benefit in ore dressing plant.
The mine tailing of first paragraph zinc cleaner flotation feeds zinc essence and sweeps flotation operation；
D, zinc grade are 8%, zinc recovery be 2% zinc essence sweep the concentrate of flotation operation and zinc grade is 5.7%, zinc recovering
Rate is that the concentrate of the zinc coarse scan flotation operation of 3% together returns to zinc rough floatation operation；
E, the mine tailing of zinc coarse scan flotation operation feed the thick magnetic concentration working of ferrum, and Iron grade is 60%, and iron recovery is 86%-87%
The concentrate of the thick magnetic concentration working of ferrum to feed iron ball mill-cyclone III closed circuit, the closed circuit product of-200 mesh content 80% feeds Haematite magnetic
Be elected to be industry, it is thus achieved that concentrate be final iron ore concentrate, described iron concentrate grade is more than 65%, and the response rate is more than 85%；
The mine tailing of the thick magnetic concentration working of described ferrum, Haematite magnetic concentration working mine tailing and zinc essence sweep flotation operation mine tailing for finality
Ore deposit.
Claims (7)
1. a franklinite sorting process, it is characterised in that: including that zinc concentrate sorts system and iron ore concentrate sorts system, two kinds have
With mineral sort order be first to select zinc concentrate with flotation, after select iron ore concentrate with magnetic separation, specifically comprise the following steps that
A, being 35%-37% by Iron grade, zinc grade is 1.15%-1.2%, and granularity is that the franklinite raw ore of 0-12mm feeds one section of ball
Mill-cyclone I is closed circuit, and overflow granularity controls at-200 mesh 55%-60%；
The closed circuit overflow product of b, one section of ball milling-cyclone I feeds zinc rough floatation operation, and the concentrate of zinc rough floatation operation feeds zinc
Ball milling-cyclone II is closed circuit, and the overflow granularity of cyclone II is that the product of-400 mesh 85% feeds zinc cleaner flotation operation, and zinc slightly floats
The mine tailing being elected to be industry feeds zinc coarse scan flotation operation；
C, zinc cleaner flotation operation are made up of continuous four sections of zinc cleaner flotations, and the mine tailing of next section of zinc cleaner flotation returns the preceding paragraph zinc essence and floats
Choosing, the concentrate of the 4th section of zinc cleaner flotation operation is final zinc concentrate, and grade reaches more than 45%, zinc recovery more than 85%, first paragraph
The mine tailing of zinc cleaner flotation feeds zinc essence and sweeps flotation operation；
The concentrate of concentrate and zinc coarse scan flotation operation that d, zinc essence sweep flotation operation together returns to zinc rough floatation operation；
E, the mine tailing of zinc coarse scan flotation operation feed the thick magnetic concentration working of ferrum, and the concentrate of the thick magnetic concentration working of ferrum feeds iron ball mill-eddy flow
Device III is closed circuit, and the closed circuit product of-200 mesh content 80% feeds Haematite magnetic concentration working, it is thus achieved that concentrate be final iron ore concentrate, described
Iron concentrate grade be more than 65%, the response rate is more than 85%；
The mine tailing of the thick magnetic concentration working of described ferrum, Haematite magnetic concentration working iron tailings and zinc essence sweep flotation operation mine tailing for finality
Ore deposit.
Franklinite sorting process the most according to claim 1, it is characterised in that add in described zinc rough floatation operation
Collecting agent butyl xanthate, dry mining amount per ton is 80g, foaming agent 2# oil, and dry mining amount per ton is 30g, zinc activator sulphuric acid
Copper, dry mining amount per ton be 300g quartz inhibitor be calcium oxide, dry mining amount per ton is 800g.
Franklinite sorting process the most according to claim 1 and 2, it is characterised in that the zinc rough floatation operation described in employing,
Can obtain zinc rough floatation operation concentrate, zinc grade is 25%-27%, and productivity is 4%-5%, and zinc recovery is 93%-95%.
Franklinite sorting process the most according to claim 1, it is characterised in that add in described zinc cleaner flotation operation
Zinc activator copper sulfate, dry mining amount per ton is 50g, and quartz inhibitor calcium oxide dry mining amount per ton is 200g.
5. according to the franklinite sorting process described in claim 1 or 4, it is characterised in that the zinc cleaner flotation operation described in employing,
Can obtain the concentrate of zinc cleaner flotation operation, zinc grade reaches more than 45%, zinc recovery more than 85%.
Franklinite sorting process the most according to claim 1, it is characterised in that add in described zinc coarse scan flotation operation
Entering collecting agent butyl xanthate, dry mining amount per ton is 10g, and foaming agent 2# oil dry mining amount per ton is 5g.
7. according to the franklinite sorting process described in claim 1 or 6, it is characterised in that the zinc coarse scan flotation described in employing is made
Industry, can obtain zinc coarse scan flotation operation concentrate, and zinc grade is 5.7%, and zinc recovery is 3%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410467589.6A CN104258981B (en) | 2014-09-15 | 2014-09-15 | A kind of franklinite sorting process |
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| CN201410467589.6A CN104258981B (en) | 2014-09-15 | 2014-09-15 | A kind of franklinite sorting process |
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| CN104258981A CN104258981A (en) | 2015-01-07 |
| CN104258981B true CN104258981B (en) | 2016-08-24 |
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| CN106423537B (en) * | 2016-09-30 | 2019-02-22 | 青海省地质矿产测试应用中心 | Ore dressing process for iron polymetallic ore |
| CN111632748A (en) * | 2020-04-28 | 2020-09-08 | 西北矿冶研究院 | Mineral separation method for improving zinc concentrate grade by using magnetic-floating combined process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8910083D0 (en) * | 1989-05-03 | 1989-06-21 | Minerals Concepts Research Ltd | Metallurgical process for upgrading zinc concentrates |
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2014
- 2014-09-15 CN CN201410467589.6A patent/CN104258981B/en active Active
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| RU2074031C1 (en) * | 1992-05-08 | 1997-02-27 | Производственное объединение "Целинный горно-химический комбинат" | Method for processing of pyrite-containing tailings of wet magnetic separation of sulfide-black iron ores |
| CN1714941A (en) * | 2005-07-07 | 2006-01-04 | 东北大学 | Ore dressing method for paigeite |
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