CN107442286B - A kind of flotation separation method of quartz and calcite - Google Patents
A kind of flotation separation method of quartz and calcite Download PDFInfo
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- CN107442286B CN107442286B CN201710556069.6A CN201710556069A CN107442286B CN 107442286 B CN107442286 B CN 107442286B CN 201710556069 A CN201710556069 A CN 201710556069A CN 107442286 B CN107442286 B CN 107442286B
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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
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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
- B03D1/016—Macromolecular 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
- B03D1/018—Mixtures of inorganic and organic 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
- 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
- B03D2203/04—Non-sulfide ores
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Abstract
The present invention relates to the flotation separation methods of a kind of quartz and calcite, belong to mineral floating separation technology field；This method is that adjustment slurry pH is 5.5~8, the inhibitor using tannin and acidified sodium silicate as calcite, and the activator using plumbi nitras and aluminium chloride as quartz makees the collecting agent of quartz using lauryl amine polyoxyethylene ether, using 2#Oil is used as foaming agent；The present invention can be such that quartz mineral is separated with calcite by the method for flotation, and regime of agent is simple, reasonable flowsheet structure, can effectively improve the grade and the rate of recovery of quartz mineral；Under the conditions of being 65.75~76.80% to mine quartz content, by FLOTATION SEPARATION, can get quartz content is 95.32~98.27%, the quartz concentrate that the rate of recovery is 88.46~92.17%.
Description
Technical field
The present invention relates to a kind of floatation separating method for mineral, especially a kind of flotation separation method of quartz and calcite.
Background technique
Quartz is a kind of physical property and the sufficiently stable mineral resources of chemical property, is that earth surface distribution is most wide
One of mineral, main component are SiO2, colorless and transparent.Quartz is important industrial mineral raw material, be widely used in glass, casting,
The industry such as ceramics and refractory material, metallurgy, building, chemical industry, plastics, rubber, abrasive material.With the exploitation of resource, high-grade mineral
Gradually decrease, the exploitation of people's quartz mineral relatively low to grade is using also gradually paying attention to.And in quartz mineral
Often contain calcite, dolomite and other carbonate minerals, during FLOTATION SEPARATION, due to the density of quartz and calcite
And floatability is close, the two is also much like to the adaptability of medicament, and calcite mineral is easily formed sludge during comminution, into
And influence the flotation effect of quartz.Though flotation is a kind of effective way that quartz is separated with carbonate mineral, this kind of at present to grind
Study carefully it is less, especially for the FLOTATION SEPARATION researches in quartz containing calcite.Existing process structure is more complex, medicine
Agent type is more, high production cost, and mineral processing index is unsatisfactory.Therefore, it is necessary to study, one kind is reasonable, economy, mineral processing index are good
Be suitable for quartz and the flotation separation method of calcite.
Summary of the invention
The purpose of the present invention is to provide the flotation separation methods of a kind of quartz and calcite, can effectively recycle quartz,
Quartz is set to obtain higher grade and the rate of recovery.
The present invention reaches above-mentioned purpose using following technical scheme: raw ore being carried out monomer dissociation first, adjustment ore pulp is dense
Degree and pH value；Then the inhibitor of tannin and acidified sodium silicate as calcite is added, plumbi nitras and aluminium chloride is added as stone
The activator of English is added collecting agent of the lauryl amine polyoxyethylene ether as quartz, foaming agent is added, and carries out FLOTATION SEPARATION, recycling
Quartz.
The method that quartz is separated with Calcite by Flotation in the present invention, concrete operations are as follows:
(1) a certain amount of raw ore containing quartz and calcite is weighed, using grinding attachment, carries out ore grinding, ore grinding is to matter
Meter granularity is less than 0.074mm and accounts for 80-90%；
(2) adjusting ore pulp mass concentration is 30-40%；
(3) pH value for adjusting ore pulp solution is 5.5~8, and the inhibitor of tannin and acidified sodium silicate as calcite is added,
The activator of plumbi nitras and aluminium chloride as quartz is added, collecting agent of the lauryl amine polyoxyethylene ether as quartz is added, is added
Foaming agent carries out FLOTATION SEPARATION, obtains quartzy rough concentrate and the thick tailing of quartz；Wherein acidified sodium silicate constituent and quality percentage
Than for waterglass 6~15%, sulfuric acid 0.5~3.5%, water 80~95%, the control of roughing time is 4~6 minutes；
(5) the thick tailing pH value of quartz is adjusted to be 5.5~8, inhibitor tannin and acidified sodium silicate, activator plumbi nitras is added
With aluminium chloride, collecting agent lauryl amine polyoxyethylene ether and foaming agent 2#Oil is scanned, and scavenger concentrate is obtained；Wherein per pass is swept
Select time control at 2~5 minutes；
(6) inhibitor tannin and acidified sodium silicate are added in Xiang Shiying rough concentrate, progress is selected, obtains quartz concentrate；Its
The middle selected time control of per pass was at 3~5 minutes；
Above-mentioned steps Chinese medicine dosage is as follows:
Tannin: 100~200g/t of roughing scans 50~80g/t, selected 30~60g/t；
Acidified sodium silicate: 500~1000g/t of roughing scans 300~600g/t, selected 200~300g/t；
Plumbi nitras: 100~300 g/t of roughing scans 50~150g/t；
Aluminium chloride: 100~300g/t of roughing scans 50~150g/t；
Lauryl amine polyoxyethylene ether: 200~500g/t of roughing scans 100~200g/t.
Compared with prior art, the beneficial effects of the present invention are:
1, the acidified sodium silicate used in inhibitor is easier to generate parent in alkalescent and weakly acidic pH value of solution section
Aqueous strong silicic acid micelle, the property of can choose is adsorbed on Calcite Surface, while being used cooperatively with tannin, the side of can be effectively suppressed
Xie Shi；
2, the combination of plumbi nitras and aluminium chloride has apparent activation to quartz mineral, to calcite almost without activation
Effect, and the use of aluminium chloride can enhance acidified sodium silicate to the inhibitory effect of calcite；
3, the present invention can make quartz mineral and calcite mineral FLOTATION SEPARATION, to mine quartz content be 65.75~
Under the conditions of 76.80%, by FLOTATION SEPARATION, quartz content 95.32~98.27% can get, the rate of recovery is 88.46~92.17%
Quartz concentrate；
4, medicament of the present invention system is simple, reasonable flowsheet structure, can effectively improve the grade and the rate of recovery of quartz mineral, tool
Have broad application prospects.
The present invention can be effective when separation quartz is with calcite as composite restrainer using acidified sodium silicate and tannin
Inhibit calcite, quartz is activated using plumbi nitras and aluminium chloride combination medicament, lauryl amine polyoxyethylene ether collecting quartz can be effective
Recycling quartz, the FLOTATION SEPARATION for quartz and calcite provide a kind of effective way.Quartz can be efficiently separated using the present invention
With calcite, regime of agent is simple, reasonable flowsheet structure, and quartzy grade and the rate of recovery are greatly improved, application prospect
It is wide.
Specific embodiment
Below by embodiment, invention is further described in detail, but the scope of the present invention is not limited in described
Hold.
Embodiment 1: the flotation separation method of quartz and calcite specifically comprises the following steps:
(1) raw mineral materials:
Quartzy content is 67.85%, 18.27 % of calcium carbonate, magnesia 2.06% in selected raw mineral materials, through material phase analysis
Show that silicon mainly exists in the form of quartzy, gangue mineral mainly exists with carbonate form, separately has on a small quantity containing magnesium, aluminum-containing mineral
And a small amount of shale mineral；
(2) 500g raw ore is weighed, carries out ore grinding in ball mill, the ore grinding time is 12.36 minutes, with matter in obtained ore pulp
Meter granularity is less than 0.074mm and accounts for 90%；
(3) ore pulp is poured into flotation cell, adjusting ore pulp mass concentration is 40%；
(5) in floatation process, adjusting slurry pH is 5.5, and 200g/t tannin and 1000g/t acidified sodium silicate is then added
As the inhibitor of calcite, wherein acidified sodium silicate constituent and mass percent are as follows: waterglass 4.5%, sulfuric acid 0.5%, water
95%；The activator of 100g/t plumbi nitras and 100g/t aluminium chloride as quartz is added, 200g/t lauryl amine polyoxyethylene is added
Collecting agent of the ether as quartz, is eventually adding 30g/t 2#Oily to carry out quartzy roughing as quartzy collecting agent, the roughing time is
4 minutes, obtain quartzy thick tailing and quartzy rough concentrate；Adjusting the thick tailing pH value of quartz is 5.5, and 80g/t tannin and 600g/ is added
The plumbi nitras of 50g/t and the aluminium chloride of 50g/t is added in t acidified sodium silicate, and the lauryl amine polyoxyethylene ether of 100g/t is added, then
It is added the 2 of 15g/t#Oil three scan, and it is 2 minutes that per pass, which scans the time, obtains scavenger concentrate；Into quartzy rough concentrate
60g/t tannin and 300g/t acidified sodium silicate is added, carries out five selected (the selected not adding medicines of Hou Sidao) and obtains quartz concentrate,
The per pass selected time is 3 minutes.
Experiments have shown that, by FLOTATION SEPARATION, can get quartz content under conditions of being 67.85% to mine quartz content
95.46%, the quartz concentrate that the rate of recovery is 91.87%.
Embodiment 2: the flotation separation method of quartz and calcite specifically comprises the following steps:
(1) raw mineral materials:
Quartzy content is 69.23%, calcium carbonate 16.48%, magnesia 1.53% in selected raw mineral materials, through material phase analysis
Show that silicon mainly exists in the form of quartzy, gangue mineral mainly exists with carbonate form, separately has on a small quantity containing magnesium, aluminum-containing mineral
And a small amount of shale mineral；
(2) 500g raw ore is weighed, carries out ore grinding in ball mill, the ore grinding time is 11.21 minutes, with matter in obtained ore pulp
Meter granularity is less than 0.074mm and accounts for 85%；
(3) ore pulp is poured into flotation cell, adjusting ore pulp mass concentration is 35%；
(4) in floatation process, first adjusting slurry pH is 6, and 160g/t tannin and 900g/t acidified sodium silicate is then added
As the inhibitor of calcite, wherein acidified sodium silicate constituent and mass percent are as follows: waterglass 3%, sulfuric acid 3.5%, water
93.5%；The activator of 160g/t plumbi nitras and 160g/t aluminium chloride as quartz is added, 260g/t lauryl amine polyoxy second is added
Collecting agent of the alkene ether as quartz, is eventually adding 30g/t 2#Collecting agent of the oil as quartz carries out quartzy roughing, roughing time
It is 4 minutes, obtains quartzy thick tailing and quartzy rough concentrate；Adjusting the thick tailing pH value of quartz is 6, and 80g/t tannin and 450g/ is added
The plumbi nitras of 80g/t and the aluminium chloride of 80g/t is added in t acidified sodium silicate, and the lauryl amine polyoxyethylene ether of 140g/t is added, then
It is added the 2 of 15g/t#Oil three scan, and it is 3 minutes that per pass, which scans the time, obtains scavenger concentrate；Into quartzy rough concentrate
50g/t tannin and 260g/t acidified sodium silicate is added, carries out five selected (the selected not adding medicines of Hou Sidao) and obtains quartz concentrate,
The per pass selected time is 3 minutes.
Experiments have shown that, by FLOTATION SEPARATION, can get quartz content under conditions of being 69.23% to mine quartz content
96.25%, the quartz concentrate that the rate of recovery is 90.76%.
Embodiment 3: the flotation separation method of quartz and calcite specifically comprises the following steps:
(1) raw mineral materials:
Quartzy content is 73.54 %, 14.30 % of calcium carbonate, 0.84 % of magnesia in selected raw mineral materials, through object phase point
Analysis shows that silicon mainly exists in the form of quartzy, and gangue mineral mainly exists with carbonate form, separately has on a small quantity containing magnesium, containing aluminium ore
Object and a small amount of shale mineral；
(2) 500g raw ore is weighed, carries out ore grinding in ball mill, the ore grinding time is 9.13 minutes, with matter in obtained ore pulp
Meter granularity is less than 0.074mm and accounts for 80%；
(3) ore pulp is poured into flotation cell, adjusting ore pulp mass concentration is 30%；
(4) in floatation process, first adjusting slurry pH is 7, and 120g/t tannin and 600g/t acidified sodium silicate is then added
As the inhibitor of calcite, wherein acidified sodium silicate constituent and mass percent are as follows: waterglass 15%, sulfuric acid 5%, water 80%；
The activator of 200g/t plumbi nitras and 200g/t aluminium chloride as quartz is added, 400g/t lauryl amine polyoxyethylene is eventually adding
Collecting agent of the ether as quartz, is added 30g/t 2#Collecting agent of the oil as quartz carries out quartzy roughing, and the roughing time is 5 points
Clock obtains quartzy thick tailing and quartzy rough concentrate；Adjusting the thick tailing pH value of quartz is 7, and 60g/t tannin and 400g/t acidification is added
The plumbi nitras of 100g/t and the aluminium chloride of 100g/t is added in waterglass, and the lauryl amine polyoxyethylene ether of 180g/t is added, adds
The 2 of 15g/t#Oil three scan, and it is 4 minutes that per pass, which scans the time, obtains scavenger concentrate；It is added into quartzy rough concentrate
40g/t tannin and 240g/t acidified sodium silicate carry out five selected (the selected not adding medicines of Hou Sidao) and obtain quartz concentrate, selected
Time is per pass 5 minutes.
Experiments have shown that, by FLOTATION SEPARATION, can get quartz content under conditions of being 73.54% to mine quartz content
96.94%, the quartz concentrate that the rate of recovery is 89.72%.
Embodiment 4: the flotation separation method of quartz and calcite specifically comprises the following steps:
(1) raw mineral materials:
Quartzy content is 76.22 %, 13.65 % of calcium carbonate, magnesia 0.42% in selected raw mineral materials, through object phase point
Analysis shows that silicon mainly exists in the form of quartzy, and gangue mineral mainly exists with carbonate form, separately has on a small quantity containing magnesium, containing aluminium ore
Object and a small amount of shale mineral；
(2) weigh 500g raw ore, carry out ore grinding in the ball mill, the ore grinding time is 11.45 minutes, in obtained ore pulp with
Quality meter granularity is less than 0.074mm and accounts for 87%；
(3) ore pulp is poured into flotation cell, adjusting ore pulp mass concentration is 36%；
(4) in floatation process, first adjusting slurry pH is 8, and 100g/t tannin and 500g/t acidified sodium silicate is then added
As the inhibitor of calcite, added acidified sodium silicate constituent and mass percent are as follows: waterglass 10.5%, sulfuric acid 5.5%, water
84%, the activator of 100 plumbi nitras and 100g/t aluminium chloride as quartz is added, 200g/t lauryl amine polyoxy second is eventually adding
Collecting agent of the alkene ether as quartz, is added 30g/t 2#Collecting agent of the oil as quartz carries out quartzy roughing, and the roughing time is 6
Minute, obtain quartzy thick tailing and quartzy rough concentrate；Adjusting the thick tailing pH value of quartz is 8, and 50g/t tannin and 300g/t acid is added
Change waterglass, the plumbi nitras of 50g/t and the aluminium chloride of 50g/t is added, the lauryl amine polyoxyethylene ether of 100g/t is added, adds
The 2 of 15g/t#Oil three scan, and it is 5 minutes that per pass, which scans the time, obtains scavenger concentrate；It is added into quartzy rough concentrate
30g/t tannin and 200g/t acidified sodium silicate carry out five selected (the selected not adding medicines of Hou Sidao) and obtain quartz concentrate, per pass
The selected time is 5 minutes.
Experiments have shown that, by FLOTATION SEPARATION, can get quartz content under conditions of being 76.22% to mine quartz content
98.23%, the quartz concentrate that the rate of recovery is 88.76%.
Claims (5)
1. a kind of flotation separation method of quartz and calcite, which comprises the following steps:
(1) raw ore containing quartz and calcite is subjected to ore grinding, after being milled to mineral monomer dissociation, adds water, adjust the dense of ore pulp
Degree；
(2) pH value of ore pulp solution is adjusted to 5.5~8, the inhibition of tannin and acidified sodium silicate as calcite is then added
Agent adds the activator of plumbi nitras and aluminium chloride as quartz, adds the collecting agent that lauryl amine polyoxyethylene ether makees quartz,
It is eventually adding foaming agent, carries out roughing separation, obtains quartzy rough concentrate and the thick tailing of quartz；
(3) adjusting the thick tailing pH value of quartz is 5.5~8, and inhibitor tannin and acidified sodium silicate, activator plumbi nitras is then added
With aluminium chloride, collecting agent lauryl amine polyoxyethylene ether and foaming agent 2#Oil is scanned, and scavenger concentrate is obtained；
(4) tannin and acidified sodium silicate are added in Xiang Shiying rough concentrate, progress is selected, obtains quartz concentrate；
Above-mentioned steps Chinese medicine dosage is as follows:
Tannin: 100~200g/t of roughing scans 50~80g/t, selected 30~60g/t；
Acidified sodium silicate: 500~1000g/t of roughing scans 300~600g/t, selected 200~300g/t；
Plumbi nitras: 100~300g/t of roughing scans 50~150g/t；
Aluminium chloride: 100~300g/t of roughing scans 50~150g/t；
Lauryl amine polyoxyethylene ether: 200~500g/t of roughing scans 100~200g/t.
2. the flotation separation method of quartz and calcite according to claim 1, it is characterised in that: acidified sodium silicate composition
Object and mass percent are waterglass 6~15%, sulfuric acid 0.5~3.5%, water 80~95%.
3. the flotation separation method of quartz and calcite according to claim 1, it is characterised in that: ore grinding is in mass
Granularity is less than 0.074mm and accounts for 80-90%.
4. the flotation separation method of quartz and calcite according to claim 1, it is characterised in that: the mass concentration of ore pulp
For 30-40%.
5. the flotation separation method of quartz and calcite according to claim 1, it is characterised in that: the roughing time is 4~6
Minute, scanning the time is 2~5 minutes, and the selected time is 3~5 minutes.
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| CN109317314A (en) * | 2018-12-07 | 2019-02-12 | 武汉工程大学 | A kind of Rutile Flotation cation-collecting agent and its application |
| CN114315099B (en) * | 2021-12-31 | 2024-03-19 | 漳州市龙华矿产有限公司 | Quartz sand prepared from kaolin tailings and preparation method thereof |
| CN115318450A (en) * | 2022-09-06 | 2022-11-11 | 湖南水口山有色金属集团有限公司 | Flotation method for separating calcite and quartz |
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|---|---|---|---|---|
| JPS4923705A (en) * | 1972-06-29 | 1974-03-02 | ||
| US4372843A (en) * | 1981-06-02 | 1983-02-08 | International Minerals & Chemical Corp. | Method of beneficiating phosphate ores containing dolomite |
| CN102631992A (en) * | 2012-04-25 | 2012-08-15 | 广西华锡集团股份有限公司 | Method for flotation of zinc oxide mineral under acidic condition |
| CN103691563A (en) * | 2013-12-11 | 2014-04-02 | 广西大学 | Flotation separation method for aedelforsite and quartz |
| CN103706485A (en) * | 2013-12-25 | 2014-04-09 | 昆明理工大学 | Beneficiation method of high calcium carbonate content type fluorite ore |
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2017
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|---|---|---|---|---|
| JPS4923705A (en) * | 1972-06-29 | 1974-03-02 | ||
| US4372843A (en) * | 1981-06-02 | 1983-02-08 | International Minerals & Chemical Corp. | Method of beneficiating phosphate ores containing dolomite |
| CN102631992A (en) * | 2012-04-25 | 2012-08-15 | 广西华锡集团股份有限公司 | Method for flotation of zinc oxide mineral under acidic condition |
| CN103691563A (en) * | 2013-12-11 | 2014-04-02 | 广西大学 | Flotation separation method for aedelforsite and quartz |
| CN103706485A (en) * | 2013-12-25 | 2014-04-09 | 昆明理工大学 | Beneficiation method of high calcium carbonate content type fluorite ore |
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