CN107442286A - A kind of flotation separation method of quartz and calcite - Google Patents
A kind of flotation separation method of quartz and calcite Download PDFInfo
- Publication number
- CN107442286A CN107442286A CN201710556069.6A CN201710556069A CN107442286A CN 107442286 A CN107442286 A CN 107442286A CN 201710556069 A CN201710556069 A CN 201710556069A CN 107442286 A CN107442286 A CN 107442286A
- Authority
- CN
- China
- Prior art keywords
- quartz
- calcite
- roughing
- flotation separation
- sodium silicate
- Prior art date
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- Granted
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000010453 quartz Substances 0.000 title claims abstract description 90
- 229910021532 Calcite Inorganic materials 0.000 title claims abstract description 39
- 238000005188 flotation Methods 0.000 title claims abstract description 35
- 238000000926 separation method Methods 0.000 title claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 37
- 239000011707 mineral Substances 0.000 claims abstract description 37
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 36
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000012141 concentrate Substances 0.000 claims abstract description 29
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 26
- 239000001648 tannin Substances 0.000 claims abstract description 24
- 235000018553 tannin Nutrition 0.000 claims abstract description 24
- 229920001864 tannin Polymers 0.000 claims abstract description 24
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003112 inhibitor Substances 0.000 claims abstract description 11
- 239000012190 activator Substances 0.000 claims abstract description 10
- 239000004088 foaming agent Substances 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 11
- 239000003814 drug Substances 0.000 claims description 9
- 235000019353 potassium silicate Nutrition 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002516 radical scavenger Substances 0.000 claims description 6
- 238000010494 dissociation reaction Methods 0.000 claims description 2
- 230000005593 dissociations Effects 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007667 floating Methods 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 description 72
- 239000000463 material Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 125000005587 carbonate group Chemical group 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 235000019351 sodium silicates Nutrition 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- -1 lauryl amines Chemical class 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 229910001748 carbonate mineral Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010423 industrial mineral Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/002—Inorganic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/016—Macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—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
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—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
Abstract
The present invention relates to a kind of quartz and the flotation separation method of calcite, belong to mineral floating separation technology field；This method is that adjustment slurry pH is 5.5~8, using the inhibitor of tannin and acidified sodium silicate as calcite, using the activator of plumbi nitras and aluminium chloride as quartz, makees quartzy collecting agent using lauryl amine APEO, 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 ore deposit quartz content, by FLOTATION SEPARATION, it is 95.32~98.27% that can obtain quartz content, and the rate of recovery is 88.46~92.17% quartz concentrate.
Description
Technical field
The present invention relates to a kind of floatation separating method for mineral, the flotation separation method of particularly a kind of quartz and calcite.
Background technology
Quartz is the sufficiently stable mineral resources of a kind of physical property and chemical property, is that earth surface distribution is most wide
One of mineral, main component are SiO2, water white transparency.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 approaches, both adaptability to medicament are also much like, and calcite mineral is easily formed sludge during comminution, enters
And influence the flotation effect of quartz.Though flotation is a kind of effective way that quartz separates with carbonate mineral, this kind of at present to grind
Study carefully it is less, especially for the FLOTATION SEPARATION researches containing calcite in quartz.Existing process structure is more complicated, medicine
Agent species is more, production cost is high, and mineral processing index is unsatisfactory.Therefore, it is necessary to study it is a kind of rationally, economy, mineral processing index it is good
Be applied to quartz and the flotation separation method of calcite.
The content of the invention
It is an object of the invention to provide a kind of quartz and the flotation separation method of calcite, quartz can be effectively reclaimed,
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 is subjected to 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, adds plumbi nitras and aluminium chloride as stone
The activator of English, collecting agent of the lauryl amine APEO as quartz is added, adds foaming agent, carry out FLOTATION SEPARATION, recovery
Quartz.
The method that quartz separates with Calcite by Flotation in the present invention, concrete operations are as follows：
（1）The a certain amount of raw ore containing quartz and calcite is weighed, using grinding attachment, carries out ore grinding, ore grinding is in mass
Granularity accounts for 80-90% less than 0.074mm；
（2）It is 30-40% to adjust ore pulp mass concentration；
（3）The pH value for adjusting ore pulp solution is 5.5~8, adds the inhibitor of tannin and acidified sodium silicate as calcite, adds
The activator of plumbi nitras and aluminium chloride as quartz, collecting agent of the lauryl amine APEO as quartz is added, adds foaming
Agent, FLOTATION SEPARATION is carried out, obtain quartzy rough concentrate and the thick mine tailing of quartz；Wherein acidified sodium silicate constituent and mass percent are
Waterglass 6~15%, sulfuric acid 0.5~3.5%, water 80~95%, roughing time control are 4~6 minutes；
（5）The thick mine tailing pH value of regulation quartz is 5.5~8, adds inhibitor tannin and acidified sodium silicate, activator plumbi nitras and chlorine
Change aluminium, collecting agent lauryl amine APEO and foaming agent 2#Oil, scanned, obtain scavenger concentrate；When wherein per pass is scanned
Between control at 2~5 minutes；
（6）Inhibitor tannin and acidified sodium silicate are added into quartzy rough concentrate, progress is selected, obtains quartz concentrate；It is wherein every
The selected time control in road was at 3~5 minutes；
Above-mentioned steps Chinese medicine dosage is as follows：
Tannin：100~200g/t of roughing, scan 50~80g/t, selected 30~60g/t；
Acidified sodium silicate：500~1000g/t of roughing, scan 300~600g/t, selected 200~300g/t；
Plumbi nitras：The g/t of roughing 100~300, scans 50~150g/t；
Aluminium chloride：100~300g/t of roughing, scans 50~150g/t；
Lauryl amine APEO：200~500g/t of roughing, scans 100~200g/t.
Compared with prior art, the beneficial effects of the present invention are：
1st, the acidified sodium silicate used in inhibitor, generation hydrophily is easier in alkalescent and weakly acidic pH value of solution section
Strong silicic acid micelle, can be with selective absorption on Calcite Surface, while is used cooperatively with tannin, can the effective side's of suppression solution
Stone；
2nd, the combination of plumbi nitras and aluminium chloride has obvious activation to quartz mineral, and calcite is imitated almost without activation
Should, and the use of aluminium chloride can strengthen inhibition of the acidified sodium silicate to calcite；
3rd, the present invention can make quartz mineral and calcite mineral FLOTATION SEPARATION, be 65.75~76.80% to ore deposit quartz content
Under the conditions of, by FLOTATION SEPARATION, quartz content 95.32~98.27%, the quartz essence that the rate of recovery is 88.46~92.17% can be obtained
Ore deposit；
4th, regime of agent of the present invention is simple, reasonable flowsheet structure, can effectively improve the grade and the rate of recovery of quartz mineral, has wide
Wealthy application prospect.
The present invention uses acidified sodium silicate with tannin as composite restrainer, can be effective when separation quartz is with calcite
Suppress calcite, quartz is activated using plumbi nitras and aluminium chloride combination medicament, lauryl amine APEO collecting quartz can be effective
Recovery 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.
Embodiment
The present invention is described in further detail below by embodiment, 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 the 67.85%, % of calcium carbonate 18.27, magnesia 2.06% in selected raw mineral materials, through material phase analysis table
Bright, silicon mainly exists in the form of quartzy, and gangue mineral mainly exists with carbonate form, separately have on a small quantity containing magnesium, aluminum-containing mineral and
A small amount of shale mineral；
（2）500g raw ores are weighed, carry out ore grinding in ball mill, the ore grinding time is 12.36 minutes, in obtained ore pulp in mass
Granularity accounts for 90% less than 0.074mm；
（3）Ore pulp is poured into flotation cell, regulation ore pulp mass concentration is 40%；
（5）In floatation process, regulation slurry pH is 5.5, then adds 200g/t tannin and 1000g/t acidified sodium silicate conducts
The inhibitor of calcite, wherein acidified sodium silicate constituent and mass percent are：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 amines APEO is added and makees
For the collecting agent of quartz, 30g/t 2 is eventually adding#Collecting agent of the oil as quartz, quartzy roughing is carried out, the roughing time is 4 points
Clock, obtain quartzy thick mine tailing and quartzy rough concentrate；The thick mine tailing pH value of regulation quartz is 5.5, adds 80g/t tannin and 600g/t acid
Change waterglass, add 50g/t plumbi nitras and 50g/t aluminium chloride, add 100g/t lauryl amine APEO, add
The 2 of 15g/t#Oil, carry out three and scan, per pass scanned the time as 2 minutes, obtained scavenger concentrate；Added into quartzy rough concentrate
60g/t tannin and 300g/t acidified sodium silicates, it is selected to carry out five（Four selected not adding medicine afterwards）Obtain quartz concentrate, per pass
The selected time is 3 minutes.
Experiment shows, under conditions of being 67.85% to ore deposit quartz content, by FLOTATION SEPARATION, can obtain quartz content
95.46%, the rate of recovery is 91.87% quartz concentrate.
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, is shown through material phase analysis,
Silicon mainly exists in the form of quartzy, and 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 ores are weighed, carry out ore grinding in ball mill, the ore grinding time is 11.21 minutes, in obtained ore pulp in mass
Granularity accounts for 85% less than 0.074mm；
（3）Ore pulp is poured into flotation cell, regulation ore pulp mass concentration is 35%；
（4）In floatation process, it is 6 first to adjust slurry pH, then adds 160g/t tannin and 900g/t acidified sodium silicate conducts
The inhibitor of calcite, wherein acidified sodium silicate constituent and mass percent are：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 amines APEO is added and makees
For the collecting agent of quartz, 30g/t 2 is eventually adding#Collecting agent of the oil as quartz, quartzy roughing is carried out, the roughing time is 4 points
Clock, obtain quartzy thick mine tailing and quartzy rough concentrate；The thick mine tailing pH value of regulation quartz is 6, adds 80g/t tannin and 450g/t acidifyings
Waterglass, 80g/t plumbi nitras and 80g/t aluminium chloride are added, add 140g/t lauryl amine APEO, add
The 2 of 15g/t#Oil, carry out three and scan, per pass scanned the time as 3 minutes, obtained scavenger concentrate；Added into quartzy rough concentrate
50g/t tannin and 260g/t acidified sodium silicates, it is selected to carry out five（Four selected not adding medicine afterwards）Obtain quartz concentrate, per pass
The selected time is 3 minutes.
Experiment shows, under conditions of being 69.23% to ore deposit quartz content, by FLOTATION SEPARATION, can obtain quartz content
96.25%, the rate of recovery is 90.76% quartz concentrate.
Embodiment 3：The flotation separation method of quartz and calcite, specifically comprises the following steps:
（1）Raw mineral materials：
Quartzy content is 73.54 %, the % of calcium carbonate 14.30, the % of magnesia 0.84 in selected raw mineral materials, through material phase analysis table
Bright, silicon mainly exists in the form of quartzy, and gangue mineral mainly exists with carbonate form, separately have on a small quantity containing magnesium, aluminum-containing mineral and
A small amount of shale mineral；
（2）500g raw ores are weighed, carry out ore grinding in ball mill, the ore grinding time is 9.13 minutes, in obtained ore pulp in mass
Granularity accounts for 80% less than 0.074mm；
（3）Ore pulp is poured into flotation cell, regulation ore pulp mass concentration is 30%；
（4）In floatation process, it is 7 first to adjust slurry pH, then adds 120g/t tannin and 600g/t acidified sodium silicate conducts
The inhibitor of calcite, wherein acidified sodium silicate constituent and mass percent are：Waterglass 15%, sulfuric acid 5%, water 80%；Again plus
Enter the activator of 200g/t plumbi nitras and 200g/t aluminium chloride as quartz, be eventually adding 400g/t lauryl amines APEO work
For the collecting agent of quartz, 30g/t 2 is added#Collecting agent of the oil as quartz, quartzy roughing is carried out, the roughing time is 5 minutes, is obtained
To quartzy thick mine tailing and quartzy rough concentrate；The thick mine tailing pH value of regulation quartz is 7, adds 60g/t tannin and 400g/t acidifying water glass
Glass, 100g/t plumbi nitras and 100g/t aluminium chloride are added, add 180g/t lauryl amine APEO, add 15g/
The 2 of t#Oil, carry out three and scan, per pass scanned the time as 4 minutes, obtained scavenger concentrate；40g/t is added into quartzy rough concentrate
Tannin and 240g/t acidified sodium silicates, it is selected to carry out five（Four selected not adding medicine afterwards）Obtain quartz concentrate, selected time
For per pass 5 minutes.
Experiment shows, under conditions of being 73.54% to ore deposit quartz content, by FLOTATION SEPARATION, can obtain quartz content
96.94%, the rate of recovery is 89.72% quartz concentrate.
Embodiment 4：The flotation separation method of quartz and calcite, specifically comprises the following steps:
（1）Raw mineral materials：
Quartzy content is 76.22 %, the % of calcium carbonate 13.65, magnesia 0.42% in selected raw mineral materials, through material phase analysis table
Bright, silicon mainly exists in the form of quartzy, and gangue mineral mainly exists with carbonate form, separately have on a small quantity containing magnesium, aluminum-containing mineral and
A small amount of shale mineral；
（2）500g raw ores are weighed, ore grinding is carried out in ball mill, the ore grinding time is 11.45 minutes, with quality in obtained ore pulp
Meter granularity accounts for 87% less than 0.074mm；
（3）Ore pulp is poured into flotation cell, regulation ore pulp mass concentration is 36%；
（4）In floatation process, it is 8 first to adjust slurry pH, then adds 100g/t tannin and 500g/t acidified sodium silicate conducts
The inhibitor of calcite, added acidified sodium silicate constituent and mass percent are：Waterglass 10.5%, sulfuric acid 5.5%, water 84%,
The activator of 100 plumbi nitras and 100g/t aluminium chloride as quartz is added, is eventually adding 200g/t lauryl amine APEOs
As the collecting agent of quartz, 30g/t 2 is added#Collecting agent of the oil as quartz, quartzy roughing being carried out, the roughing time is 6 minutes,
Obtain quartzy thick mine tailing and quartzy rough concentrate；The thick mine tailing pH value of regulation quartz is 8, adds 50g/t tannin and 300g/t acidifying waters
Glass, 50g/t plumbi nitras and 50g/t aluminium chloride are added, add 100g/t lauryl amine APEO, add 15g/
The 2 of t#Oil, carry out three and scan, per pass scanned the time as 5 minutes, obtained scavenger concentrate；30g/t is added into quartzy rough concentrate
Tannin and 200g/t acidified sodium silicates, it is selected to carry out five（Four selected not adding medicine afterwards）Quartz concentrate is obtained, per pass is selected
Time is 5 minutes.
Experiment shows, under conditions of being 76.22% to ore deposit quartz content, by FLOTATION SEPARATION, can obtain quartz content
98.23%, the rate of recovery is 88.76% quartz concentrate.
Claims (5)
1. the flotation separation method of a kind of quartz and calcite, it is characterised in that comprise the following steps：
（1）Raw ore containing quartz and calcite is subjected to ore grinding, after being milled to mineral monomer dissociation, adds water, adjusts the dense of ore pulp
Degree；
（2）The pH value of ore pulp solution is adjusted to 5.5~8, then adds the suppression of tannin and acidified sodium silicate as calcite
Agent, the activator of plumbi nitras and aluminium chloride as quartz is added, adds the collecting agent that lauryl amine APEO makees quartz,
Foaming agent is eventually adding, carries out roughing separation, obtains quartzy rough concentrate and the thick mine tailing of quartz；
（3）The thick mine tailing pH value of regulation quartz is 5.5~8, then adds inhibitor tannin and acidified sodium silicate, activator plumbi nitras
With aluminium chloride, collecting agent lauryl amine APEO and foaming agent 2#Oil, scanned, obtain scavenger concentrate；
（4）Tannin and acidified sodium silicate are added into quartzy rough concentrate, progress is selected, obtains quartz concentrate；
Above-mentioned steps Chinese medicine dosage is as follows：
Tannin：100~200g/t of roughing, scan 50~80g/t, selected 30~60g/t；
Acidified sodium silicate：500~1000g/t of roughing, scan 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 APEO：200~500g/t of roughing, scans 100~200g/t.
2. the flotation separation method of quartz according to claim 1 and calcite, it is characterised in that：Acidified sodium silicate forms
Thing and mass percent are waterglass 6~15%, sulfuric acid 0.5~3.5%, water 80~95%.
3. the flotation separation method of quartz according to claim 1 and calcite, it is characterised in that：Ore grinding is in mass
Granularity accounts for 80-90% less than 0.074mm.
4. the flotation separation method of quartz according to claim 1 and calcite, it is characterised in that：The mass concentration of ore pulp
For 30-40%.
5. the flotation separation method of quartz according to claim 1 and calcite, it is characterised in that：The roughing time is 4~6
Minute, the time is scanned as 2~5 minutes, and the selected time is 3~5 minutes.
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| WO2024050853A1 (en) * | 2022-09-06 | 2024-03-14 | 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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