CN105689150B - A kind of lead-zinc oxide ore flotation inhibitor and its application - Google Patents
A kind of lead-zinc oxide ore flotation inhibitor and its application Download PDFInfo
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- CN105689150B CN105689150B CN201610234584.8A CN201610234584A CN105689150B CN 105689150 B CN105689150 B CN 105689150B CN 201610234584 A CN201610234584 A CN 201610234584A CN 105689150 B CN105689150 B CN 105689150B
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- zinc oxide
- lead
- oxide ore
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- ore flotation
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 68
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 56
- 239000003112 inhibitor Substances 0.000 title claims abstract description 52
- 238000005188 flotation Methods 0.000 title claims abstract description 47
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 229920001732 Lignosulfonate Polymers 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- 229920002472 Starch Polymers 0.000 claims abstract description 12
- 235000019698 starch Nutrition 0.000 claims abstract description 12
- 239000008107 starch Substances 0.000 claims abstract description 12
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 9
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 7
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 5
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 5
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 5
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 5
- 239000012991 xanthate Substances 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- -1 ether amines Chemical class 0.000 claims description 4
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims description 3
- 235000011180 diphosphates Nutrition 0.000 claims description 3
- 229940048084 pyrophosphate Drugs 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 125000005341 metaphosphate group Chemical group 0.000 claims description 2
- 125000005342 perphosphate group Chemical group 0.000 claims description 2
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 claims description 2
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 2
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- 235000017550 sodium carbonate Nutrition 0.000 claims 1
- 235000011121 sodium hydroxide Nutrition 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 239000011701 zinc Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 235000019353 potassium silicate Nutrition 0.000 description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- 229910020218 Pb—Zn Inorganic materials 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910001656 zinc mineral Inorganic materials 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 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
- 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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of lead-zinc oxide ore flotation inhibitor and its applications；Belong to technical field of mineral processing.Inhibitor designed by the present invention is in terms of mass fraction including following components：30 80 parts of lignosulfonates, 10 40 parts of auxiliary agent A, 10 30 parts of soluble starch.Its application scheme is：Levigate accounted for after more than the 85% of raw ore gross mass less than or equal to 0.074mm particles to grain size of raw ore is sized mixing；Obtain pre-selection slurry；Then the pH value of adjustment pre-selection slurry adds in lead-zinc oxide ore flotation inhibitor to after 8 11；Collecting agent is added after stirring evenly；It can obtain zinc oxide rough concentrate.Inhibitor component reasonable design of the present invention, the inhibitor have disperse and inhibit double attribute, have high selectivity, rejection ability it is strong and it is nontoxic and pollution-free it is easy to operation and management etc. advantages, convenient for large-scale industrialization application.
Description
Technical field
The present invention relates to a kind of lead-zinc oxide ore flotation inhibitor and its applications；More particularly to containing quartz and calcite
The depressing agent of low-grade lead-zinc object and its application；Belong to technical field of mineral processing.
Background technology
China's led-zinc-silver deposit rich reserves, are only second to Australia and occupy second place of the world.But China's Pb-Zn deposits are only at present
High-grade oxide ore and a small amount of sulphide ore are utilized, a large amount of low-grade Lead-zinc oxide ores can not utilize.With China
For maximum lead-zinc deposit Lanping, yunnan Province lead-zinc bed, lead-zinc sulfide ore is mainly utilized at present and a small amount of zinc grade is high
In 15% lead-zinc, after a large amount of low-grade lead-zincs exploitations then stockpiling near mine, due to flotation difficulty is big
Exploitation not yet in effect, causes resource largely to waste.Therefore, the sorting technology for improving the type lead-zinc is to ensure China's lead zinc
The most important approach of resource provisioning.
The main reason for low-grade lead-zinc is caused to be difficult to be utilized of the lag of technique of preparing.Due to lead-zinc
Mineral species are more contained by ore, and ore structures relationship is complicated, and Associated Constituents are very unstable, containing largely activate quartz, side
Stone and solubility salt mineral are solved, therefore although the research of lead-zinc has been carried out many years, lead-zinc is still
So there are many problems.
Zinc oxide ore technique of preparing is main the technical solution adopted is that vulcanization or fatty acid process, vulcanization are led to so far
It crosses addition vulcanized sodium and processing of sizing mixing is carried out to ore pulp, then carry out flotation, technique using xanthate collectors or amine collector
It is main using floating oxide ore after first floating sulphide ore in flow；This method flowage structure is complicated, is handling a large amount of sludges and unavoidable ion
Ore pulp when, separating effect is usually undesirable.Common inhibitor has waterglass, hexa metaphosphoric acid in zinc oxide ore floatation process
Sodium, humic acid, polyacrylic acid etc., these medicaments additive amount during flotation are difficult to control, and are all had to ore pulp and are forced to divide
Effect is dissipated, is unfavorable for filtering subsequent concentrate very much, it is larger in turn result in production process dehydration.
The characteristics of based on low-grade zinc oxide ore, with reference to zinc oxide ore floatation process, proposes this hair on regime of agent
It is bright.
Invention content
For low-grade lead-zinc and gangue separation selectivity it is poor the problem of, the present invention provide it is a kind of have dispersion and
Inhibit double attribute, high selectivity, strong and nontoxic and pollution-free easy to operation and management the organic inhibitor of rejection ability is used for
Inhibitor (i.e. CSS-3) and its application of low-grade lead-zinc oxide ore flotation removing quartz and calcite.
A kind of lead-zinc oxide ore flotation inhibitor of the present invention, including following components in terms of mass fraction：
30-80 parts of lignosulfonates,
10-40 parts of auxiliary agent A,
10-30 parts of soluble starch；
The auxiliary agent A is selected from soluble pyrophosphate, soluble perphosphate, soluble tripolyphosphate, solubility four
At least one of polyphosphoric acid, soluble metaphosphate.Preferably soluble pyrophosphate.
Preferably；A kind of lead-zinc oxide ore flotation inhibitor of the present invention, including following components in terms of mass fraction：
40-60 parts of lignosulfonates,
20-30 parts of auxiliary agent A,
20-25 parts of soluble starch；
The one kind of the lignosulfonates in sodium lignin sulfonate, calcium lignosulfonate, magnesium lignosulfonate.
Preferably；A kind of lead-zinc oxide ore flotation inhibitor of the present invention, including following components in terms of mass fraction：
50 parts of lignosulfonates,
30 parts of auxiliary agent A,
20 parts of soluble starch.
Scheme as a further preference；A kind of lead-zinc oxide ore flotation inhibitor of the present invention, it is characterised in that with quality
Number meter includes following components：
50 parts of lignosulfonates；The lignosulfonates are calcium lignosulfonate；
30 parts of auxiliary agent A, the auxiliary agent A are sodium pyrophosphate；
20 parts of soluble starch.
A kind of lead-zinc oxide ore flotation inhibitor of the present invention, at normal temperatures and pressures by lignosulfonates (such as sulfomethylated lignin
Sour calcium), auxiliary agent A (such as sodium pyrophosphate) and soluble starch be according to the abundant mixing of above-mentioned deal, you can lead-zinc oxide ore flotation
Inhibitor.
A kind of application of lead-zinc oxide ore flotation inhibitor of the present invention, includes the following steps：Raw ore is levigate small to grain size
It sizes mixing after accounting for more than the 85% of raw ore gross mass equal to 0.074mm particles；Obtain pre-selection slurry；Then adjustment preselects slurry
After pH value to 8-11, lead-zinc oxide ore flotation inhibitor is added in；Collecting agent is added after stirring evenly；It is thick to can obtain zinc oxide
Concentrate.
A kind of application of lead-zinc oxide ore flotation inhibitor of the present invention, the mass percentage concentration for preselecting raw ore in slurry
It is 20%~50%.The mass percentage concentration of raw ore refers to preselect slurry for 20%~50% in pre-selection slurry of the present invention
The quality divided by pre-selection slurry of middle raw ore and then the resulting value for being multiplied by 100%.
A kind of application of lead-zinc oxide ore flotation inhibitor of the present invention, with vulcanized sodium, NaHS, sodium hydroxide, carbonic acid
At least one of sodium, lime, milk of lime adjustment pre-selection slurry pH value to 8-11, preferably 9-11.
A kind of application of lead-zinc oxide ore flotation inhibitor of the present invention after the pH value to 8-11 for preselecting slurry, adds in oxygen
Change lead-zinc ore floating inhibitor；Collecting agent is added after stirring evenly；It can obtain zinc oxide rough concentrate；The collecting agent is selected from
At least one of lauryl amine, octadecylamine, ether amines, aliphatic acid, xanthic acid, xanthates, benzyl hydroximic acid.
A kind of application of lead-zinc oxide ore flotation inhibitor of the present invention adds in 500-1000g collecting agents by raw ore per ton
Ratio adds in collecting agent.
A kind of application of lead-zinc oxide ore flotation inhibitor of the present invention；500-3500g lead oxide zinc is added in by raw ore per ton
The ratio of ore deposit depressing agent adds in lead-zinc oxide ore flotation inhibitor.Preferably：By raw ore per ton add in 500-3000g, into
One step is preferably that the ratio of 1500-2500g lead-zinc oxide ore flotation inhibitor adds in lead-zinc oxide ore flotation inhibitor
CSS-3 is introduced into lead-zinc oxide ore flotation regime of agent process, the selective depression gangue in ore pulp in the present invention
Mineral and peptizaiton, are remarkably improved zinc oxide concentrate grade and the rate of recovery.
Compared with traditional medicament system, the present invention makes rough concentrate just have higher concentration ratio in rougher process, is formed a kind of
Short route, high efficiency, the reliable and stable lead oxide zinc System of Flotation Reagent of process operation can improve zinc compared with prior art
Concentrate grade and the rate of recovery, and it is nontoxic, pollution-free.
Description of the drawings
Fig. 1 is the lead-zinc oxide ore flotation regime of agent order of addition flow designed by the present invention.
With reference to embodiment, the present invention is further described, without limiting the present invention
Specific embodiment
Embodiment 1
Lead-zinc oxide ore flotation inhibitor used in the present embodiment, is counted with mass fraction and is made of following components：
50 parts of calcium lignosulfonate,
30 parts of sodium pyrophosphate,
20 parts of soluble starch.
The present embodiment contains Pb 1.54%, Zn 7.50%, SiO with certain low-grade lead-zinc sample ore in sample2
20.03%th, CaO 29.75%, TFe 6.05%.Regime of agent experiment process is shown in Fig. 1, in the premise that other regime of agent are constant
Under, comparison waterglass makees inhibitor and CSS-3 does the result of the test of inhibitor and is shown in Table 1.
The collecting agent is xanthates, aliphatic acid and ether amines hybrid collector in the present embodiment.Add by raw ore per ton
The ratio for entering 800g collecting agents adds in collecting agent.
Concrete operations are as follows：
Levigate accounted for after more than the 88% of raw ore gross mass less than or equal to 0.074mm particles to grain size of raw ore is sized mixing；It obtains
Slurry is preselected, the mass concentration for preselecting raw ore in slurry is 33%.Then the pH value of adjustment pre-selection slurry is added in after 9
Lead-zinc oxide ore flotation inhibitor；Collecting agent is added after stirring evenly；It can obtain zinc oxide rough concentrate.Its experimental result is shown in
Table 1.
Comparative example 1
Other uniform embodiments 1 of condition are completely the same, and difference is employing waterglass as inhibitor, experiment knot
Fruit is shown in Table 1.
Comparative example 2
Other uniform embodiments 1 of condition are completely the same, difference only with the calcium lignosulfonate in CSS-3 and
Starch the results are shown in Table 1. as inhibitor, experiment
1 lead-zinc oxide ore flotation result of the test of table
Embodiment 2
Lead-zinc oxide ore flotation inhibitor used in the present embodiment, is counted with mass fraction and is made of following components：
50 parts of calcium lignosulfonate,
30 parts of sodium pyrophosphate,
20 parts of soluble starch.
The present embodiment is shown in figure with certain southwestern lead-zinc sample ore, head grade Zn 5.52%, regime of agent experiment process
1, in the case of No severing mud, under the premise of other regime of agent are constant, comparison waterglass makees inhibitor and CSS-3 makees inhibitor
Result of the test be shown in Table 2.
The collecting agent is xanthates, aliphatic acid and ether amines hybrid collector in the present embodiment.Add by raw ore per ton
The ratio for entering 750g collecting agents adds in collecting agent.
Concrete operations are as follows：
Levigate accounted for after more than the 85% of raw ore gross mass less than or equal to 0.074mm particles to grain size of raw ore is sized mixing；It obtains
Slurry is preselected, the mass concentration for preselecting raw ore in slurry is 33%.Then after the pH value to 8-11 of adjustment pre-selection slurry, add
Enter lead-zinc oxide ore flotation inhibitor；Collecting agent is added after stirring evenly；It can obtain zinc oxide rough concentrate.Its experimental result
It is shown in Table 2.
Comparative example 3
Other uniform embodiments 2 of condition are completely the same, and difference is employing waterglass as inhibitor, experiment knot
Fruit is shown in Table 1.
Comparative example 4
Other uniform embodiments 2 of condition are completely the same, and difference is changing CSS-3 Chinese medicine ratios.
2 lead-zinc oxide ore flotation result of the test of table
Claims (9)
1. a kind of lead-zinc oxide ore flotation inhibitor, it is characterised in that including following components in terms of mass fraction：
40-60 parts of lignosulfonates,
20-30 parts of auxiliary agent A,
20-25 parts of soluble starch；
The auxiliary agent A is selected from soluble pyrophosphate, soluble perphosphate, soluble tripolyphosphate, soluble four poly- phosphorus
At least one of acid, soluble metaphosphate；
The one kind of the lignosulfonates in sodium lignin sulfonate, calcium lignosulfonate, magnesium lignosulfonate.
2. a kind of lead-zinc oxide ore flotation inhibitor according to claim 1, it is characterised in that in terms of mass fraction including
Following components：
50 parts of lignosulfonates,
30 parts of auxiliary agent A,
20 parts of soluble starch.
3. a kind of lead-zinc oxide ore flotation inhibitor according to claim 2, it is characterised in that in terms of mass fraction including
Following components：
50 parts of lignosulfonates；The lignosulfonates are calcium lignosulfonate；
30 parts of auxiliary agent A, the auxiliary agent A are sodium pyrophosphate；
20 parts of soluble starch.
4. a kind of application of the lead-zinc oxide ore flotation inhibitor as described in claim 1-3 any one, it is characterised in that：It will be former
Ore deposit is levigate to be accounted for after more than the 85% of raw ore gross mass less than or equal to 0.074mm particles to grain size and sizes mixing；Obtain pre-selection slurry；Then
After the pH value to 8-11 of adjustment pre-selection slurry, lead-zinc oxide ore flotation inhibitor is added in；Collecting agent is added after stirring evenly；I.e.
It can obtain zinc oxide rough concentrate.
5. a kind of application of lead-zinc oxide ore flotation inhibitor according to claim 4；It is characterized in that：The pre-selection slurry
The mass percentage concentration of raw ore is 20%~50% in material.
6. a kind of application of lead-zinc oxide ore flotation inhibitor according to claim 4；It is characterized in that：With vulcanized sodium,
The pH value of at least one of NaHS, sodium hydroxide, sodium carbonate, lime, milk of lime adjustment pre-selection slurry is to 8-11.
7. a kind of application of lead-zinc oxide ore flotation inhibitor according to claim 4；It is characterized in that：Slurry will be preselected
PH value to 8-11 after, add in lead-zinc oxide ore flotation inhibitor；Collecting agent is added after stirring evenly；It can obtain zinc oxide
Rough concentrate；The collecting agent is in lauryl amine, octadecylamine, ether amines, aliphatic acid, xanthic acid, xanthates, benzyl hydroximic acid
It is at least one.
8. a kind of application of lead-zinc oxide ore flotation inhibitor according to claim 7；It is characterized in that：By raw ore per ton
The ratio for adding in 500-1000g collecting agents adds in collecting agent.
9. a kind of application of lead-zinc oxide ore flotation inhibitor according to claim 4-8 any one；It is characterized in that：
The ratio that 500-3500g lead-zinc oxide ore flotation inhibitor is added in raw ore per ton adds in lead-zinc oxide ore flotation inhibitor.
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| CN112221717A (en) * | 2020-10-26 | 2021-01-15 | 厦门紫金矿冶技术有限公司 | Zinc oxide ore flotation defoaming agent and application thereof |
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