CN102366731A - Method for activating and adjusting mineralized bubbles in vulcanizing flotation process of copper oxide ores - Google Patents
Method for activating and adjusting mineralized bubbles in vulcanizing flotation process of copper oxide ores Download PDFInfo
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- CN102366731A CN102366731A CN2011103311348A CN201110331134A CN102366731A CN 102366731 A CN102366731 A CN 102366731A CN 2011103311348 A CN2011103311348 A CN 2011103311348A CN 201110331134 A CN201110331134 A CN 201110331134A CN 102366731 A CN102366731 A CN 102366731A
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- 238000005188 flotation Methods 0.000 title claims abstract description 112
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008569 process Effects 0.000 title claims abstract description 11
- 239000005751 Copper oxide Substances 0.000 title abstract description 5
- 229910000431 copper oxide Inorganic materials 0.000 title abstract description 5
- 230000003213 activating effect Effects 0.000 title abstract 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000004088 foaming agent Substances 0.000 claims abstract description 10
- 230000011218 segmentation Effects 0.000 claims description 43
- 239000012190 activator Substances 0.000 claims description 22
- 229960004643 cupric oxide Drugs 0.000 claims description 21
- 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 16
- 229910052708 sodium Inorganic materials 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 16
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims description 14
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 12
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 230000004913 activation Effects 0.000 claims description 10
- CONMNFZLRNYHIQ-UHFFFAOYSA-N 3-methylbutoxymethanedithioic acid Chemical compound CC(C)CCOC(S)=S CONMNFZLRNYHIQ-UHFFFAOYSA-N 0.000 claims description 9
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 7
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 7
- UOJYYXATTMQQNA-UHFFFAOYSA-N Proxan Chemical compound CC(C)OC(S)=S UOJYYXATTMQQNA-UHFFFAOYSA-N 0.000 claims description 6
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 claims description 6
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 claims description 5
- 238000001238 wet grinding Methods 0.000 claims description 5
- 239000003350 kerosene Substances 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 239000010949 copper Substances 0.000 abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 22
- 229910052802 copper Inorganic materials 0.000 abstract description 22
- 239000012141 concentrate Substances 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 8
- 239000003814 drug Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 238000005987 sulfurization reaction Methods 0.000 description 5
- 239000010802 sludge Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012991 xanthate Substances 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a method for activating and adjusting mineralized bubbles in the vulcanizing flotation process of copper oxide ores. The method comprises pre-stage flotation, post-stage flotation and selection; after grinding and mixing, a vulcanizing agent, a collecting agent and a foaming agent are added in each sub-stage of the pre-stage flotation; the mineralized bubble adjusting agent I, a vulcanizing agent, an activating agent, a collecting agent and a foaming agent are added in each sub-stage of the post-stage flotation; and the mineralized bubble adjusting agent II, a vulcanizing agent and a collecting agent are added in each sub-stage of the selection so as to obtain copper concentrate and tailings. The method provided by the invention has the advantages that: the mineralized bubble adjusting agent is correspondingly added when the activating agent is added in the post-stage flotation so as to avoid excessively large bubbles caused by adding the activating agent only, and the production operation is convenient; and compared with the conventional vulcanizing flotation method and conventional activating flotation method, by adopting the medicine adding method and flow structure provided by the invention, the method can improve the recovery rate of copper concentrate by 8-14% while ensuring similar grades of the copper concentrate.
Description
Technical field
The present invention relates to the method for activation in a kind of ore sulfide flotation system, more particularly relate to the method for activation in a kind of cupric oxide ore sulfide flotation process and adjustment mineralized froth, belong to ore dressing field.
Background technology
In the method for floating of cupric oxide ore, most important method is to be basic framework with sulfuration xanthate floatation.If flotation effect is not good enough, its reason can be analyzed from following angle, and is on the one hand from the purpose mineral, higher in conjunction with the ratio of copper, chrysocolla, intergrowth and microfine; From non-purpose mineral, harmful sludge content is on the high side on the other hand.For the former, can strengthen collecting with the method that adds activator, activator commonly used has ammonium salt, ethylenediamine, dithiol thio biphosphole etc.; For the latter, should manage to eliminate the influence of sludge.For the cupric oxide ore that contains mud,, can when using this activator, manage to eliminate the influence of sludge again if will above two kinds of means and usefulness will both be found out the best activator of effect.
When handling cupric oxide ore with sulfuration xanthate floatation; Because the copper sulfide film on copper oxide mineral surface comes off easily, the oxygen brought into of whipping process makes partial vulcanization agent oxidation deactivation in addition, so the flotation speed of copper oxide mineral is slower; The coarse scan selections number of flotation is more; Vulcanizing agent needs segmentation to add, and can also stablize the copper sulfide film on copper oxide mineral surface with activator, makes it be not easy to come off.
By existing sulfide flotation method and sulfuration active flotation method, each section selected in the coarse scan of flotation, owing to see it same operation of floating similar mineral as; Though so adopted different regime of agent, its difference is less, shows as in the design of testing program and only best medicament condition is sought in first section flotation; Each section flotation is afterwards then carried out medicament according to first section flotation to be added; Its mineralized froth feature similarity, just the mineralized froth amount is by changeable few, and the regime of agent of drafting thus is for only changing the dosing of back segment; Do not change the kind and the effect of medicament, more not will consider the difference of mineralized froth characteristic.Therefore in the technology of existing processing cupric oxide ore, still sulfide flotation method and sulfuration active flotation method are not combined, be applied to the front and back section of same flotation circuit; Activator and mineralized froth are not adjusted the example that agent is used yet.
Summary of the invention
The present invention is a research object to contain the mud cupric oxide ore; To the activation problem in the sulfide flotation system; Mostly coarse scan selections number with its flotation is point of penetration, and it is divided into last stage flotation and after-stage flotation, and the bigger regime of agent of difference before and after for this reason designing; The flotation in stage forms different mineralized froth characteristics before and after making, and realizes different flotation purposes.
In to the experimental study process that contains the mud cupric oxide ore, find, if add activator at the very start, compare with not adding activator, limited first section roughly select or first section roughly select and add second section and roughly select in the time, copper recovery and concentrate grade are all descended.Analyze such result of the test and corresponding mineralized froth characteristic, think that this is because the interaction of various medicaments and sludge, cause the foam cavitation degree higher and make that activation effect is difficult to appear too early.
The present invention realizes through following technical proposal: the method for activation and adjustment mineralized froth in a kind of cupric oxide ore sulfide flotation process; Comprise last stage flotation, after-stage flotation, selected; Said last stage flotation comprise one section roughly select or one section roughly select with two sections roughly select totally 1～2 segmentation; Said after-stage flotation comprises roughly selecting and scanning after the last stage flotation, totally 4～7 segmentations, and said selected totally 1～2 segmentation, specifically pass through following each step:
A. the cupric oxide ore wet-milling is made ore pulp;
B. steps A gained ore pulp is carried out the last stage flotation, add vulcanizing agent 800～1500g/t raw ore respectively, add collecting agent 60～200g/t raw ore, add foaming agent 20～50g/t raw ore in each segmentation of last stage flotation;
C. step B gained ore pulp is carried out the after-stage flotation; Each segmentation in the after-stage flotation adds mineralized froth adjustment agent I 0～400g/t raw ore, vulcanizing agent 200～1500g/t raw ore and activator 200～2000g/t raw ore respectively; Add collecting agent 30～100g/t raw ore and foaming agent 10～30g/t raw ore again; Wherein, the mineralized froth adjustment agent I of first segmentation adding is that the activator of 100～400g/t raw ore, adding is 1000～2000g/t;
D. to the froth pulp of step C gained after-stage flotation, or the mixture of steps A gained last stage flotation froth product and step B gained after-stage flotation froth product is carried out selected, add mineralized froth adjustment agent II 0～100g/t raw ore, vulcanizing agent 200～600g/t raw ore and collecting agent 20～60g/t raw ore respectively in each selected segmentation.
The vulcanizing agent of said step B, C and D is one or more (any mixture, down with) in vulcanized sodium, NaHS, the sodium polysulfide.
The activator of said step C is one or more in ammonium sulfate, the ammonium carbonate.
The mineralized froth adjustment agent I of said step C is one or more in calgon, carboxymethyl cellulose, the waterglass.
The collecting agent of said step B, C and D is one or more in butyl xanthate, isoamyl xanthate, the isopropyl xanthate.
The foaming agent of said step B and C is conventional foaming agent, like No. 2 oil.
The mineralized froth adjustment agent II of said step D is one or more in kerosene, the diesel oil.
The present invention will add the period of activator and change into the after-stage of flotation, compare mutually, and will be bigger to the accumulation rate of recovery increase rate of copper, explain that activation effect can show in the after-stage flotation.The foam volume that activator causes is excessive for fear of only adding; In the after-stage flotation, activator and mineralized froth adjustment agent I are used; Though add a spot of mineralized froth adjustment agent I copper is had slight inhibitory action, still bigger to the increase rate of copper recovery, the while has reduced the volume and the water content of mineralized froth again; So not only be convenient to the bubble of scraping of after-stage flotation, also be convenient to introduce the flotation froth of after-stage selected.
Compared with prior art, the present invention has following advantage:
1, the activation effect of activator before stage flotation whether add that the difference of the rate of recovery is a criterion behind the activator; And will promote by the accumulation rate of recovery of all stage flotations as criterion, leak with regard to having avoided last stage flotation activation effect to be difficult to appear like this and select activator;
2, when the after-stage flotation adds activator, also cooperate to add mineralized froth adjustment agent I, can cause foam volume excessive when avoiding only adding activator, be convenient to production operation like this;
3, adopt flowage structure of the present invention and adding method thereof, not only, directly get into flotation, the copper metal loss of having avoided desliming to cause thus ore milling product predictive desliming not; And compare with sulfuration active flotation method with existing sulfide flotation method, when guaranteeing that the copper concentrate grade is close, can improve 8～14 percentage points of the copper concentrate rate of recovery.
Description of drawings
Fig. 1 is the flotation process and the dosing point diagram of the embodiment of the invention 1;
Fig. 2 is the flotation process figure of the embodiment of the invention 2;
Fig. 3 is the flotation process figure of the embodiment of the invention 3.
The specific embodiment
To combine embodiment further to illustrate content of the present invention below, but these instances do not limit protection scope of the present invention.
Embodiment 1
Cupric oxide ore primary sample character is (quality percentage composition): Cu:1.54%, CaO:27.88%, MgO:3.79%, Al
2O
3: 1.36%, SiO
2: 29.87%, Fe:2.96%, copper oxygenation efficiency 88.40%, copper combination rate: 15.47%.
Comprise last stage flotation, after-stage flotation, selected, said last stage flotation comprises that one section is roughly selected, totally 1 segmentation; Said after-stage flotation comprises roughly selecting and scanning after the last stage flotation, totally 5 segmentations, and said selected totally 1 segmentation, specifically pass through following each step:
A. cupric oxide ore wet-milling to fineness is accounted for 75% less than the powder quality of 74 μ m, sizing mixing to mass concentration is 32% ore pulp again;
B. steps A gained ore pulp is carried out the last stage flotation, the segmentation adding vulcanized sodium 1500g/t in the last stage flotation adds butyl xanthate 80g/t, adds No. 2 oily 20g/t;
C. step B gained ore pulp is carried out the after-stage flotation, add calgon 200g/t, add vulcanized sodium 1000g/t and ammonium sulfate 1500 g/t again in the 1st segmentation of after-stage flotation, and then add butyl xanthate 80g/t and No. 2 oily 20g/t;
The 2nd, 3 segmentations in the after-stage flotation add calgon 100g/t, vulcanized sodium 600g/t and ammonium sulfate 600g/t respectively, and then add butyl xanthate 60g/t and No. 2 oily 20g/t;
The 4th, 5 segmentations in the after-stage flotation add vulcanized sodium 400g/t and ammonium sulfate 400g/t respectively, and then add butyl xanthate 60g/t and No. 2 oily 10g/t;
D. the froth pulp of step C gained after-stage flotation is carried out selectedly, add kerosene 60g/t and vulcanized sodium 200g/t, add butyl xanthate 30g/t again in selected segmentation.
The copper concentrate I of last stage flotation gained and the copper concentrate II of selected gained are merged into final copper concentrate, and its grade is 21.73%, and the rate of recovery is 71.30%.
Embodiment 2
Cupric oxide ore primary sample character is (quality percentage composition): copper 1.0%～2.0%, copper oxygenation efficiency are 60%～80%, and copper combination rate is 6%～20%, CaO:10～30%, and MgO:10～30 % is in conjunction with rate: 16.21%.
Comprise last stage flotation, after-stage flotation, selected, said last stage flotation comprise one section roughly select with two sections roughly select totally 2 segmentations; Said after-stage flotation comprises roughly selecting and scanning after the last stage flotation, totally 7 segmentations, and said selected totally 2 segmentations, specifically pass through following each step:
A. cupric oxide ore wet-milling to fineness is accounted for 65% less than the powder quality of 74 μ m, sizing mixing to mass concentration is 28% ore pulp again;
B. steps A gained ore pulp is carried out the last stage flotation, the 1st segmentation adding NaHS and sodium polysulfide 1400g/t in the last stage flotation add butyl xanthate and the isopropyl xanthate mixture 100g/t by quality 1:1, add No. 2 oily 50g/t;
The 2nd segmentation in the last stage flotation adds vulcanized sodium 1000g/t, adds butyl xanthate and isopropyl xanthate 60g/t, adds No. 2 oily 30g/t;
C. step B gained ore pulp is carried out the after-stage flotation; Add calgon and carboxymethyl cellulose by the mixture 100g/t of quality 1:1, add NaHS and sodium polysulfide 1000g/t, ammonium sulfate and ammonium carbonate 2000g/t again in the 1st segmentation of after-stage flotation, and then adding butyl xanthate and isopropyl xanthate 80g/t, No. 2 oily 20g/t;
The 2nd segmentation in the after-stage flotation adds calgon and carboxymethyl cellulose 100g/t, vulcanized sodium 1000g/t and ammonium sulfate 800g/t, adds isoamyl xanthate 60g/t and No. 2 oily 30g/t again;
The 3rd, 4 segmentations in the after-stage flotation add calgon and carboxymethyl cellulose 60g/t, vulcanized sodium 600g/t and ammonium sulfate 500g/t respectively, add isoamyl xanthate 30g/t and No. 2 oily 20g/t again;
The 5th, 6,7 segmentations in the after-stage flotation add vulcanized sodium 400g/t and ammonium sulfate 400g/t respectively, add isoamyl xanthate 20g/t and No. 2 oily 10g/t again;
D. the mixture of steps A gained last stage flotation froth product and step B gained after-stage flotation froth product is carried out selectedly, add diesel oil 50g/t and vulcanized sodium 600g/t, add butyl xanthate 40 g/t again in the 1st selected segmentation;
Add sodium polysulfide 200g/t in the 2nd selected segmentation, add isoamyl xanthate and isopropyl xanthate 20 g/t again.
Embodiment 3
Cupric oxide ore primary sample character is (quality percentage composition): copper 0.6%～1.2%, copper oxygenation efficiency are 60%～80%, and copper combination rate is 6%～20%, CaO:10～20%, MgO:10～15%, Al
2O
3: 5～10%.
Comprise last stage flotation, after-stage flotation, selected, said last stage flotation comprises that one section is roughly selected, totally 1 segmentation; Said after-stage flotation comprises roughly selecting and scanning after the last stage flotation, totally 4 segmentations, and said selected totally 2 segmentations, specifically pass through following each step:
A. cupric oxide ore wet-milling to fineness is accounted for 85% less than the powder quality of 74 μ m, sizing mixing to mass concentration is 20% ore pulp again;
B. steps A gained ore pulp is carried out the last stage flotation, the segmentation adding NaHS 800g/t in the last stage flotation adds butyl xanthate 100g/t and No. 2 oily 40g/t;
C. step B gained ore pulp is carried out the after-stage flotation; Add the mixture 400g/t that carboxymethyl cellulose and waterglass are pressed quality 1:1 in the 1st segmentation of after-stage flotation; Add vulcanized sodium 1500g/t and ammonium sulfate 1000g/t again, and then add butyl xanthate 100g/t and No. 2 oily 20g/t;
Mixture 100g/t, vulcanized sodium 600g/t and ammonium sulfate 600g/t in that the 2nd segmentation adding carboxymethyl cellulose and the waterglass of after-stage flotation are pressed quality 1:1 add isoamyl xanthate 50g/t and No. 2 oily 20g/t again;
The 3rd, 4 segmentations in the after-stage flotation add vulcanized sodium 400g/t and ammonium sulfate 400g/t respectively, add isoamyl xanthate 50g/t and No. 2 oily 10g/t again;
D. the mixture of steps A gained last stage flotation froth product and step B gained after-stage flotation froth product is carried out selectedly, add kerosene 100g/t and NaHS 300g/t, add butyl xanthate 60g/t again in the 1st selected segmentation; Add vulcanized sodium 200g/t in the 2nd selected segmentation, add isoamyl xanthate 20g/t again.
Claims (7)
1. the method for activation and adjustment mineralized froth in the cupric oxide ore sulfide flotation process; Comprise last stage flotation, after-stage flotation, selected; It is characterized in that: said last stage flotation comprise one section roughly select or one section roughly select with two sections roughly select totally 1～2 segmentation; Said after-stage flotation comprises roughly selecting and scanning after the last stage flotation, totally 4～7 segmentations, and said selected totally 1～2 segmentation, specifically pass through following each step:
A. the cupric oxide ore wet-milling is made ore pulp;
B. steps A gained ore pulp is carried out the last stage flotation, add vulcanizing agent 800～1500g/t raw ore respectively, add collecting agent 60～200g/t raw ore, add foaming agent 20～50g/t raw ore in each segmentation of last stage flotation;
C. step B gained ore pulp is carried out the after-stage flotation; Each segmentation in the after-stage flotation adds mineralized froth adjustment agent I 0～400g/t raw ore, vulcanizing agent 200～1500g/t raw ore and activator 200～2000g/t raw ore respectively; Add collecting agent 30～100g/t raw ore and foaming agent 10～30g/t raw ore again; Wherein, the mineralized froth adjustment agent I of first segmentation adding is that the activator of 100～400g/t raw ore, adding is 1000～2000g/t;
D. to the froth pulp of step C gained after-stage flotation, or the mixture of steps A gained last stage flotation froth product and step B gained after-stage flotation froth product is carried out selected, add mineralized froth adjustment agent II 0～100g/t raw ore, vulcanizing agent 200～600g/t raw ore and collecting agent 20～60g/t raw ore respectively in each selected segmentation.
2. method according to claim 1 is characterized in that: the vulcanizing agent of said step B, C and D is one or more in vulcanized sodium, NaHS, the sodium polysulfide.
3. method according to claim 1 is characterized in that: the activator of said step C is one or more in ammonium sulfate, the ammonium carbonate.
4. method according to claim 1 is characterized in that: the mineralized froth adjustment agent I of said step C is one or more in calgon, carboxymethyl cellulose, the waterglass.
5. method according to claim 1 is characterized in that: the collecting agent of said step B, C and D is one or more in butyl xanthate, isoamyl xanthate, the isopropyl xanthate.
6. method according to claim 1 is characterized in that: the foaming agent of said step B and C is conventional foaming agent.
7. method according to claim 1 is characterized in that: the mineralized froth adjustment agent II of said step D is one or more in kerosene, the diesel oil.
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| CN102688808A (en) * | 2012-06-19 | 2012-09-26 | 昆明理工大学 | Macromolecule bridging flotation method for combined copper disseminated body |
| CN102688809A (en) * | 2012-06-19 | 2012-09-26 | 昆明理工大学 | Ammonium-amine coupling activation method based on copper mineral sulfurization floatation system |
| CN102688807A (en) * | 2012-06-19 | 2012-09-26 | 昆明理工大学 | Floatation method for carrying out temperature control and mud suppression on mixed copper ore with high oxygenation rate and high mud content |
| CN102728475A (en) * | 2012-06-19 | 2012-10-17 | 昆明理工大学 | Self-activation flotation method for component of fluid inclusion of copper sulfide ore |
| CN102744159A (en) * | 2012-06-14 | 2012-10-24 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Flotation method for improving copper sulfide core sorting indexes |
| CN103894294A (en) * | 2014-03-12 | 2014-07-02 | 玉门大昌矿业有限公司 | Copper oxide ore flotation agent |
| CN104437887A (en) * | 2014-10-23 | 2015-03-25 | 安徽省颍上鑫泰化工有限责任公司 | Extractants for extracting sodium and potassium from tailings |
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| CN109731693A (en) * | 2019-01-28 | 2019-05-10 | 西安建筑科技大学 | A kind of method of trithiocyanuric acid saturated solution sulfide flotation copper-lead Zinc oxide |
| CN110152892A (en) * | 2017-02-15 | 2019-08-23 | 奥图泰(芬兰)公司 | Flotation unit |
| CN111530636A (en) * | 2020-05-09 | 2020-08-14 | 昆明理工大学 | Method for enhanced sulfuration flotation recovery of copper oxide ore by copper ammonia complex gradient activation |
| CN112170472A (en) * | 2019-07-02 | 2021-01-05 | 西南科技大学 | Novel emergency remediation technology for heavy metal contaminated soil |
| CN112191370A (en) * | 2020-08-27 | 2021-01-08 | 中国恩菲工程技术有限公司 | Flotation method for copper minerals |
| CN112239286A (en) * | 2020-08-27 | 2021-01-19 | 中国恩菲工程技术有限公司 | Copper ion modified water treatment method |
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