CN107433230A - A kind of Scheelite Flotation inhibitor and its preparation technology - Google Patents
A kind of Scheelite Flotation inhibitor and its preparation technology Download PDFInfo
- Publication number
- CN107433230A CN107433230A CN201710729061.5A CN201710729061A CN107433230A CN 107433230 A CN107433230 A CN 107433230A CN 201710729061 A CN201710729061 A CN 201710729061A CN 107433230 A CN107433230 A CN 107433230A
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- CN
- China
- Prior art keywords
- scheelite flotation
- flotation inhibitor
- scheelite
- inhibitor
- raw ore
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Classifications
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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
- B03D1/018—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
- B03D2201/06—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
- B03D2203/04—Non-sulfide ores
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Scheelite Flotation inhibitor disclosed by the invention is in terms of mass fraction including following components：Liquid sodium silicate 40%, sulfuric acid 20%, copper sulphate 15%, carboxymethyl cellulose 10%, plumbi nitras 15%.Its preparation technology is：Levigate accounted for particle diameter less than or equal to 0.074mm particles after more than the 55% of raw ore gross mass of raw ore is sized mixing；Obtain preselecting slurry；Then Scheelite Flotation inhibitor is added；Collecting agent is added after stirring；White tungsten fine ore is can obtain by four selected, secondary scan.Compared with traditional Scheelite Flotation inhibitor, the dosage of Scheelite Flotation inhibitor can be greatly decreased in Scheelite Flotation inhibitor prepared by the present invention, reduce the treating capacity of tailings recycling water simultaneously, it can further improve white tungsten fine ore grade and the rate of recovery, and it is nontoxic, pollution-free, it is easy to large-scale industrialization application.
Description
Technical field
The invention belongs to Scheelite Flotation inhibitor technical field, more particularly to containing calcite, fluorite it is low-grade white
Floatation of tungsten mineral inhibitor and its preparation technology.
Background technology
China is the maximum country of tungsten yield, and tungsten ore resource reserves occupy first place in the world, and wherein it is total to account for tungsten ore resource for scheelite
The 70% of amount, occupies an leading position.Although China's scheelite reserves are big, because Scheelite Deposit tungsten grade is relatively low, the technology of sorting is answered
Miscellaneous, beneficiation cost is big, associated metal recovery is difficult, the economic development of scheelite development and utilization is constrained, however as black tungsten
The increasingly depleted of ore resources, the development and utilization technology of scheelite are increasingly paid attention to.
Waterglass is the inorganic reagent that a kind of source is wide, price is low, widely used.Actual production in scheelite ore dressing plant
In, waterglass is conventional gangue inhibitor, has good inhibitory action to gangue minerals such as quartz and silicate.It is generally acknowledged that
Waterglass is by HSiO to the inhibitory action of gangue mineral3 -And H2SiO3Caused, both materials can be adsorbed in mineral table
Face is so that mineral are hydrophilic.Waterglass can rise but also as dispersant in mineral dressing and desliming operation to improving foaming properties simultaneously
To good effect, but its dosage is big, causes mine tailing not settle for a long time, and backwater can not be utilized normally.
Waterglass is acidified modified, and the simple substance silicate content increase of waterglass hydrolysis, simple substance silicic acid can be made well
For gangue mineral, more strong hydrophilic layer is formed, so that gangue mineral is by strong inhibitory action.Add purpose
The floatability of mineral, improves concentrate grade, adds the rate of recovery.And when being acted on PH regulators, OH is hydrolyzed into ore pulp
-, caused OH-and refractory metal ionization, weakly alkaline hydroxide can be produced, promotes the hydrolysis of inhibitor, generated
More siliceous colloids, increase the effect of inhibitor.Therefore, Scheelite Flotation suppression can be greatly decreased by waterglass being modified
The dosage of preparation, while reduce the treating capacity of tailings recycling water, it can further improve white tungsten fine ore grade and the rate of recovery.
The content of the invention
The present invention be directed to existing scheelite stone depressing agent flotation it is single the problem of, propose a kind of rejection ability it is strong,
The high Scheelite Flotation inhibitor of the flotation grade and the rate of recovery of white tungsten and its preparation technology.
The present invention realizes that above-mentioned purpose adopts the technical scheme that：A kind of Scheelite Flotation inhibitor, in terms of mass fraction
Including following components：Liquid sodium silicate 25%-55%, sulfuric acid 15%-25%, copper sulphate 8%-15%, carboxymethyl cellulose 5-15%, nitre
Lead plumbate 5-20%.
Preferably：A kind of Scheelite Flotation inhibitor of the present invention, including following components in terms of mass fraction：Liquid
Sodium metasilicate 35%-40%, sulfuric acid 18%-23%, copper sulphate 10%-15%, carboxymethyl cellulose 7-13%, plumbi nitras 10-15%.
As further preferred scheme：A kind of Scheelite Flotation inhibitor of the present invention, including following groups in terms of mass fraction
Point：Liquid sodium silicate 40%, sulfuric acid 20%, copper sulphate 15%, carboxymethyl cellulose 10%, plumbi nitras 15%.
Scheelite Flotation inhibitor of the present invention, at normal temperatures and pressures by liquid sodium silicate, sulfuric acid, copper sulphate, carboxylic
Methylcellulose, plumbi nitras fully mix according to above-mentioned deal, you can obtain Scheelite Flotation inhibitor.
A kind of preparation method of Scheelite Flotation inhibitor of the present invention comprises the steps：It is less than raw ore is levigate to particle diameter
Or account for after more than the 55% of raw ore gross mass and size mixing equal to 0.074mm particles；Obtain preselecting slurry；Then Scheelite Flotation is added
Inhibitor；Collecting agent is added after stirring；White tungsten fine ore is can obtain by four selected, secondary scan.
The mass percentage concentration that raw ore in slurry is preselected described in a kind of Scheelite Flotation inhibitor of the present invention is 20% ~ 40%.
Ore quality percentage concentration is 20% ~ 40% quality for referring to preselect raw ore in slurry divided by pre- in pre-selection slurry of the present invention
Select slurry and then be multiplied by 100% income value.
Collecting agent described in a kind of Scheelite Flotation inhibitor of the present invention is selected from fatty acid.
The ratio that a kind of Scheelite Flotation inhibitor of the present invention is added 50 ~ 300 g collecting agents in raw ore per ton adds collecting
Agent.
The ratio that a kind of Scheelite Flotation inhibitor of the present invention is added 50 ~ 200 g depressing agents in raw ore per ton adds
Scheelite Flotation inhibitor.Preferably：80 ~ 120 g are added by raw ore per ton, more preferably 100 g depressing agents
Ratio adds Scheelite Flotation inhibitor.
Compared with traditional Scheelite Flotation inhibitor, the Scheelite Flotation inhibitor of the invention prepared can be greatly decreased white
The dosage of floatation of tungsten mineral inhibitor, while reduce the treating capacity of tailings recycling water, it can further improve white tungsten fine ore grade and return
Yield, and it is nontoxic, pollution-free.
Brief description of the drawings
Fig. 1 is the Scheelite Flotation regime of agent order of addition flow designed by the present invention.
Embodiment
With specific embodiments and the drawings 1 is described in detail to the present invention, but protection scope of the present invention is not limited to
This：
Embodiment 1
Scheelite Flotation inhibitor used, is counted with mass fraction and is made up of following components in the present embodiment：
Liquid sodium silicate 40%, sulfuric acid 20%, copper sulphate 15%, carboxymethyl cellulose 10%, plumbi nitras 15%.
The present embodiment is with certain low-grade scheelite sample ore, head grade WO30.096%.Regime of agent experiment process is shown in figure
1, on the premise of other regime of agent are constant, the experiment knot of contrast waterglass and the Scheelite Flotation inhibitor of the invention prepared
Fruit is shown in Table 1.
Collecting agent described in the present embodiment is fatty acid soaps.The ratio addition that 300 g collecting agents are added in raw ore per ton is caught
Receive agent.
Concrete operations are as follows：By raw ore it is levigate to particle diameter be less than or equal to 0.074mm particles account for the 55% of raw ore gross mass with
Sized mixing after upper；Obtain preselecting slurry, the mass concentration for preselecting raw ore in slurry is 30%.Then Scheelite Flotation suppression is added
Preparation；Collecting agent is added after stirring；White tungsten fine ore is can obtain by four selected, secondary scan.Its experimental result
It is shown in Table 1.
Comparative example 1
Other conditions are completely the same with embodiment 1, and difference is shown in as inhibitor, its experimental result employing waterglass
Table 1.
The Scheelite Flotation experimental result of table 1
Embodiment 2
Scheelite Flotation inhibitor used, is counted with mass fraction and is made up of following components in the present embodiment：
Liquid sodium silicate 40%, sulfuric acid 20%, copper sulphate 15%, carboxymethyl cellulose 10%,
Plumbi nitras 15%.
The present embodiment is with certain low-grade scheelite sample ore, head grade WO30.097%, regime of agent experiment process is shown in figure
1, on the premise of other regime of agent are constant, the experiment knot of contrast waterglass and the Scheelite Flotation inhibitor of the invention prepared
Fruit is shown in Table 2.
Collecting agent described in the present embodiment is fatty acid soaps.The ratio addition that 300 g collecting agents are added in raw ore per ton is caught
Receive agent.
Concrete operations are as follows：By raw ore it is levigate to particle diameter be less than or equal to 0.074mm particles account for the 55% of raw ore gross mass with
Sized mixing after upper；Obtain preselecting slurry, the mass concentration for preselecting raw ore in slurry is 30%.Then Scheelite Flotation suppression is added
Preparation；Collecting agent is added after stirring；White tungsten fine ore is can obtain by four selected, secondary scan.Its experimental result
It is shown in Table 2.
Comparative example 2
Other conditions are completely the same with embodiment 2, and difference is shown in as inhibitor, its experimental result employing waterglass
Table 2.
The Scheelite Flotation experimental result of table 2
The present invention can also have many embodiments, in the case of without departing substantially from spirit of the invention and its essence, be familiar with this area
Technical staff can make various corresponding changes and deformation according to disclosure of the invention, but these corresponding changes and deformation are all answered
Belong to the scope of the claims of the present invention.
Claims (7)
- A kind of 1. Scheelite Flotation inhibitor, it is characterised in that：Including following components in terms of mass fraction：Liquid sodium silicate 25%- 55%, sulfuric acid 15%-25%, copper sulphate 8%-15%, carboxymethyl cellulose 5-15%, plumbi nitras 5-20%.
- 2. Scheelite Flotation inhibitor according to claim 1, it is characterised in that：Including following groups in terms of mass fraction Point：Liquid sodium silicate 35%-40%, sulfuric acid 18%-23%, copper sulphate 10%-15%, carboxymethyl cellulose 7-13%, plumbi nitras 10- 15%。
- 3. Scheelite Flotation inhibitor according to claim 1 or 2, it is characterised in that：Including following in terms of mass fraction Component;Liquid sodium silicate 40%, sulfuric acid 20%, copper sulphate 15%, carboxymethyl cellulose 10%, plumbi nitras 15%.
- A kind of 4. preparation technology for the Scheelite Flotation inhibitor realized described in claim 1 or 3, it is characterised in that：Including under State step：Levigate accounted for particle diameter less than or equal to 0.074mm particles after more than the 55% of raw ore gross mass of raw ore is sized mixing；Obtain Preselect slurry；Then Scheelite Flotation inhibitor is added；Collecting agent is added after stirring；Selected, secondary swept by four times Choosing can obtain white tungsten fine ore.
- 5. the preparation technology of Scheelite Flotation inhibitor according to claim 4, it is characterised in that：In the pre-selection slurry The mass percentage concentration of raw ore is 20% ~ 40%.
- 6. the preparation technology of Scheelite Flotation inhibitor according to claim 4, it is characterised in that：The collecting agent is selected from Fatty acid.
- 7. the preparation technology of Scheelite Flotation inhibitor according to claim 4, it is characterised in that：The inhibitor is by every The ratio that ton raw ore adds 50 ~ 300 g collecting agents adds collecting agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710729061.5A CN107433230A (en) | 2017-08-23 | 2017-08-23 | A kind of Scheelite Flotation inhibitor and its preparation technology |
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| CN201710729061.5A CN107433230A (en) | 2017-08-23 | 2017-08-23 | A kind of Scheelite Flotation inhibitor and its preparation technology |
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| CN107433230A true CN107433230A (en) | 2017-12-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983539A (en) * | 2017-12-06 | 2018-05-04 | 中南大学 | Application of the hydrolysis of polymaleic anhydride in Scheelite Flotation |
| CN108993778A (en) * | 2018-06-22 | 2018-12-14 | 昆明理工大学 | A kind of scheelite normal temperature flotation method |
| CN109174466A (en) * | 2018-09-05 | 2019-01-11 | 中南大学 | The inhibitor and its preparation method and application of calcic gangue in a kind of Scheelite Flotation |
| CN110756337A (en) * | 2019-08-19 | 2020-02-07 | 湖南柿竹园有色金属有限责任公司 | Method for improving grade of tungsten concentrate |
| CN110976098A (en) * | 2019-11-18 | 2020-04-10 | 南华大学 | Scheelite flotation method |
Citations (5)
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|---|---|---|---|---|
| CN1133265A (en) * | 1995-10-23 | 1996-10-16 | 北京矿冶研究总院 | Beneficiation method for recovering wolframite and scheelite from complex polymetallic ore |
| CN101045221A (en) * | 2007-04-24 | 2007-10-03 | 青海西部矿业科技有限公司 | Improved chemical for increasing flotation target of powellite ore and its preparing method |
| CN101224441A (en) * | 2007-01-18 | 2008-07-23 | 中国地质科学院郑州矿产综合利用研究所 | Molybdenum-tungsten oxide ore dressing process |
| WO2009089570A1 (en) * | 2008-01-14 | 2009-07-23 | The University Of Melbourne | Flotation aids and processes for using the same |
| CN102489407A (en) * | 2011-11-30 | 2012-06-13 | 长沙矿冶研究院有限责任公司 | Mineral processing method for recycling scheelite/molybdenum oxide ores from molybdenum sulfide flotation tailings |
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2017
- 2017-08-23 CN CN201710729061.5A patent/CN107433230A/en active Pending
Patent Citations (5)
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| CN101224441A (en) * | 2007-01-18 | 2008-07-23 | 中国地质科学院郑州矿产综合利用研究所 | Molybdenum-tungsten oxide ore dressing process |
| CN101045221A (en) * | 2007-04-24 | 2007-10-03 | 青海西部矿业科技有限公司 | Improved chemical for increasing flotation target of powellite ore and its preparing method |
| WO2009089570A1 (en) * | 2008-01-14 | 2009-07-23 | The University Of Melbourne | Flotation aids and processes for using the same |
| CN102489407A (en) * | 2011-11-30 | 2012-06-13 | 长沙矿冶研究院有限责任公司 | Mineral processing method for recycling scheelite/molybdenum oxide ores from molybdenum sulfide flotation tailings |
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| 江西省治金工业管理局: "《钨的选矿》", 31 May 1960, 冶金工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983539A (en) * | 2017-12-06 | 2018-05-04 | 中南大学 | Application of the hydrolysis of polymaleic anhydride in Scheelite Flotation |
| CN108993778A (en) * | 2018-06-22 | 2018-12-14 | 昆明理工大学 | A kind of scheelite normal temperature flotation method |
| CN109174466A (en) * | 2018-09-05 | 2019-01-11 | 中南大学 | The inhibitor and its preparation method and application of calcic gangue in a kind of Scheelite Flotation |
| CN110756337A (en) * | 2019-08-19 | 2020-02-07 | 湖南柿竹园有色金属有限责任公司 | Method for improving grade of tungsten concentrate |
| CN110976098A (en) * | 2019-11-18 | 2020-04-10 | 南华大学 | Scheelite flotation method |
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Application publication date: 20171205 |