CN101690915A - Method for separating copper-lead sulfide minerals - Google Patents
Method for separating copper-lead sulfide minerals Download PDFInfo
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- CN101690915A CN101690915A CN200910235324A CN200910235324A CN101690915A CN 101690915 A CN101690915 A CN 101690915A CN 200910235324 A CN200910235324 A CN 200910235324A CN 200910235324 A CN200910235324 A CN 200910235324A CN 101690915 A CN101690915 A CN 101690915A
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Abstract
The invention discloses a separation method of copper-lead sulfide minerals, belonging to the technical field of mineral separation. The method takes raw ores of copper-lead sulfide minerals as raw materials and comprises the following steps: and carrying out flotation separation on the raw ore of the copper-lead sulfide minerals to obtain lead concentrate minerals or obtain the lead concentrate minerals and copper concentrate minerals, and adding water-soluble thioglycolate or thioglycollic acid as an inhibitor for the copper sulfide minerals in the separated minerals in the flotation separation process of the raw ore of the copper-lead sulfide minerals. Because the water-soluble thioglycolate or thioglycollic acid serving as the inhibitor of the copper sulphide minerals has the advantages of good selectivity, strong inhibition capability, small dosage, convenient addition and the like, the copper sulphide minerals can be well inhibited, and a better flotation effect is achieved; meanwhile, the method effectively overcomes the defects of high toxicity, severe operating environment and serious pollution of the commonly used sodium (potassium) cyanide, has the characteristics of convenient addition, safe use and the like, and provides a convenient method for separating copper and lead sulfide minerals.
Description
Technical field
The present invention relates to the technique of preparing field, particularly relate to a kind of separation method of copper-lead sulfurized minerals.
Background technology
At present, flotation obtains to copper-lead mixing raw ore copper-lead bulk concentrate adopts and presses down the floating plumbous method of copper and carry out copper-lead when separating, and adopts flotation separation method usually, adopts Cymag or the potassium cyanide medicament inhibitor as the copper sulfurized ore thing in the FLOTATION SEPARATION process.
The shortcoming of above-mentioned prior art is:
But because of Cymag or potassium cyanide medicament severe toxicity, extremely strong to human injury's property, very easily cause death; And Cymag or potassium cyanide medicament have very big destruction to environment, so the preservation of Cymag or potassium cyanide requirement is very strict, cause using inconvenience, and environmental pollution are bigger.
Summary of the invention
At the deficiency that above-mentioned prior art exists, the purpose of the embodiment of the invention provides a kind of separation method of copper-lead sulfurized minerals, the inhibitor low toxicity of its adding, can reduce environmental pollution, thereby improves working condition.
The objective of the invention is to be achieved through the following technical solutions.
The embodiment of the invention provides a kind of separation method of copper-lead sulfurized minerals, and this method is a raw material with the raw ore of copper-lead sulfurized minerals, comprising:
The raw ore of described copper-lead sulfurized minerals is carried out FLOTATION SEPARATION obtain the lead concentrate mineral, perhaps obtain lead concentrate mineral and copper concentrate mineral, in raw ore FLOTATION SEPARATION process, add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral to described copper-lead sulfurized minerals.
From the technical scheme of the invention described above embodiment as can be seen, because the raw ore at copper-lead sulfurized minerals in the embodiment of the invention is that raw material carries out in the FLOTATION SEPARATION process, adopt water-soluble thioglycolate salt or TGA as inhibitor to the copper sulfurized ore thing in institute's separating mineral, because water-soluble thioglycolate salt or TGA have advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress the copper sulfurized ore thing, reach better flotation effect; Simultaneously, it is low that this inhibitor has toxicity, and environmental pollution is little, thereby can well improve working environment, avoided traditional use Cymag or potassium cyanide medicament as inhibitor, has severe toxicity greatly, easily human body damaged, and destroys problem of environment; Inhibitor in the embodiment of the invention can directly add or dilute with water after add, use more conveniently, and safe, also avoided Cymag or potassium cyanide medicament to preserve, and caused using the shortcoming of inconvenience because of the toxicity main point is strict.For separating, copper-lead sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Description of drawings
The separation method process chart of the copper-lead sulfurized minerals that Fig. 1 provides for the embodiment of the invention 1;
The separation method process chart of the copper-lead sulfurized minerals that Fig. 2 provides for the embodiment of the invention 5.
The specific embodiment
The invention provides a kind of separation method of copper-lead sulfurized minerals, mainly be that raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of described copper-lead sulfurized minerals is carried out FLOTATION SEPARATION obtain the lead concentrate mineral, perhaps obtain lead concentrate mineral and copper concentrate mineral, in raw ore FLOTATION SEPARATION process, add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral to described copper-lead sulfurized minerals.
In the said method, raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of described copper-lead sulfurized minerals is carried out FLOTATION SEPARATION obtain the lead concentrate mineral, in each step of floatation process, when need pressing down copper and promoting plumbous grade, all add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral; Perhaps the raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of described copper-lead sulfurized minerals is carried out FLOTATION SEPARATION to be obtained in the process of lead concentrate mineral and copper concentrate mineral, in each step of floatation process, when need pressing down copper and promoting plumbous grade, all add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral.Wherein, the consumption of inhibitor is that corresponding institute per ton separating mineral adds 10～1000g, and the water-soluble thioglycolate salt in the inhibitor can adopt that sodium thioglycolate, TGA potassium, ammonium mercaptoacetate, TGA lithium, TGA are ferrous, in the calcium mercaptoacetate, TGA magnesium any.Can after adding inhibitor, the mineral that separated be carried out stirring in 3～10 minutes, reach better flotation effect so that inhibitor better plays a role.
Water-soluble thioglycolate salt or TGA can be to the copper sulfurized ore good restraining in the mineral, because there are two polar groups in thioglycolate salt and TGA molecular structure in the aqueous solution, promptly-SH and-COOH,-SH and copper sulfurized ore thing generation chemical reaction absorption mineral surfaces, and-COOH shows hydrophily and forms moisture film, and be suppressed.Make with water-soluble thioglycolate salt or TGA as inhibitor to the copper sulfurized ore thing in the floatation process, have advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress the copper sulfurized ore thing, reach better flotation effect; Simultaneously, because water-soluble thioglycolate salt or TGA have the low characteristics of toxicity, environmental pollution is little, thereby can well improve working environment, avoid traditional use Cymag or potassium cyanide medicament, have severe toxicity greatly as inhibitor, easily human body is damaged, destroy problem of environment; This inhibitor can directly add or dilute with water after add, use more conveniently, and safe, also avoided Cymag or potassium cyanide medicament to preserve, and caused using the shortcoming of inconvenience because of the toxicity main point is strict.For separating, copper-lead sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Be described further below in conjunction with the separation method of the drawings and specific embodiments the invention described above.
Embodiment 1
Present embodiment 1 provides a kind of separation method of copper-lead sulfurized minerals, is that the raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of this copper-lead sulfurized minerals is carried out diffeential floatation separate the method that obtains the lead concentrate mineral, and this method comprises:
Raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of copper-lead sulfurized minerals is separated to roughly select obtaining plumbous rough concentrate mineral; Raw ore to copper-lead sulfurized minerals separates in the rougher process, adds water-soluble thioglycolate salt or TGA as the inhibitor to the copper sulfurized ore thing in institute's separating mineral;
Afterwards the described plumbous rough concentrate mineral that obtain are carried out selected separation and obtain the lead concentrate mineral, in plumbous rough concentrate mineral refining process, also add water-soluble thioglycolate salt or TGA as inhibitor to the copper sulfurized ore thing in institute's separating mineral.
Below in conjunction with accompanying drawing 1, above-mentioned separation method is described further:
As shown in Figure 1, this method is that the raw ore with copper-lead sulfurized minerals is a raw material, the raw ore mineral are carried out detached job, the raw ore mineral are joined flotation cell, in flotation cell, add water-soluble thioglycolate salt or TGA as inhibitor to the copper sulfurized ore thing in institute's separating mineral, thereby realize pressing down copper and promote plumbous grade, separate obtaining plumbous rough concentrate after the stirring flotation, generally stir about 3～10 minutes;
The above-mentioned plumbous rough concentrate that obtains is carried out the selected lead concentrate that obtains, also add water-soluble thioglycolate salt or TGA in the refining process as inhibitor to copper sulfurized ore thing in institute's separating mineral; General selected will carrying out 4 times separates selected I, copper-lead as the copper-lead among Fig. 1 and separates that selected II, copper-lead separate selected III, copper-lead separates selected IV step, generally separates in selected I, II, the III step at copper-lead and adds inhibitor.
Process below in conjunction with the raw ore FLOTATION SEPARATION being obtained the lead concentrate mineral is described further said method:
The boleite head grade is Cu 0.66%, Pb 1.61%, roughly select operation with carrying out the copper-lead separation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of sodium thioglycolate simultaneously as copper sulfurized ore thing in institute's separating mineral, the consumption that adds inhibitor is 210g/t, and the promptly corresponding mineral that separate per ton add the 210g inhibitor, stir 5 minutes, FLOTATION SEPARATION obtains plumbous rough concentrate, and the copper sulfurized ore thing is generally as tailings discharging or enter next operation;
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add sodium thioglycolate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 120g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 74.27% and 86.03%.
Because sodium thioglycolate has advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress the copper sulfurized ore thing, reaches better flotation effect; Simultaneously,, can not pollute, well improve working condition, overcome the shortcoming that the big environmental pollution of dosing commonly used destroys environment because sodium thioglycolate has fewer environmental impacts.And the inhibitor in the embodiment of the invention is that water-soluble solution also has convenient, the safe in utilization advantage of interpolation.For separating, copper-lead sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Embodiment 2
Present embodiment 2 provides a kind of separation method of copper-lead sulfurized minerals, be that raw ore with copper-lead sulfurized minerals is a raw material, raw ore to this copper-lead sulfurized minerals carries out the method that the diffeential floatation separation obtains the lead concentrate mineral, the separation method that this method and embodiment 1 provide is basic identical, different is in the FLOTATION SEPARATION process to mineral, as the inhibitor to copper sulfurized ore thing in institute's separating mineral, concrete steps are as follows with TGA potassium:
The boleite head grade is Cu 0.61%, Pb 11.23%, roughly select operation with carrying out the copper-lead separation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of TGA potassium simultaneously as copper sulfurized ore thing in institute's separating mineral, the consumption that adds inhibitor is 1000g/t, and the promptly corresponding mineral that separate per ton add the 1000g inhibitor, stir 5 minutes, FLOTATION SEPARATION obtains plumbous rough concentrate, and the copper sulfurized ore thing is generally as tailings discharging or enter next operation;
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add TGA potassium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 400g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 79.02% and 92.33%.
Because TGA potassium has advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress the copper sulfurized ore thing, reaches better flotation effect, and is little to ambient influnence simultaneously, can not pollute.
Embodiment 3
Present embodiment 3 provides a kind of separation method of copper-lead sulfurized minerals, be that raw ore with copper-lead sulfurized minerals is a raw material, raw ore to this copper-lead sulfurized minerals carries out the method that the diffeential floatation separation obtains the lead concentrate mineral, the separation method that this method and embodiment 1 provide is basic identical, different is in the FLOTATION SEPARATION process to mineral, as the inhibitor to copper sulfurized ore thing in institute's separating mineral, concrete steps are as follows with ammonium mercaptoacetate:
The boleite head grade is Cu 0.55%, Pb 4.98%, roughly select operation with carrying out the copper-lead separation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of ammonium mercaptoacetate simultaneously as copper sulfurized ore thing in institute's separating mineral, the consumption that adds inhibitor is 260g/t, and the promptly corresponding mineral that separate per ton add the 260g inhibitor, stir 3 minutes, FLOTATION SEPARATION obtains plumbous rough concentrate, and the copper sulfurized ore thing is generally as tailings discharging or enter next operation;
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add ammonium mercaptoacetate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 110g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 72.02% and 89.12%.
Because ammonium mercaptoacetate has advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress the copper sulfurized ore thing, reaches better flotation effect, and is little to ambient influnence simultaneously, can not pollute.
Embodiment 4
Present embodiment 4 provides a kind of separation method of copper-lead sulfurized minerals, be that raw ore with copper-lead sulfurized minerals is a raw material, raw ore to this copper-lead sulfurized minerals carries out the method that the diffeential floatation separation obtains the lead concentrate mineral, the separation method that this method and embodiment 1 provide is basic identical, different is in the FLOTATION SEPARATION process to mineral, as the inhibitor to copper sulfurized ore thing in institute's separating mineral, concrete steps are as follows with TGA potassium:
The boleite head grade is Cu 0.11%, Pb 1.29%, roughly select operation with carrying out the copper-lead separation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of TGA simultaneously as copper sulfurized ore thing in institute's separating mineral, the consumption that adds inhibitor is 10g/t, and the promptly corresponding mineral that separate per ton add the 10g inhibitor, stir 3 minutes, FLOTATION SEPARATION obtains plumbous rough concentrate, and the copper sulfurized ore thing is generally as tailings discharging or enter next operation;
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add the TGA lithium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 10g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 71.02% and 87.33%.
In the present embodiment in the different step of flotation, respectively with TGA and a kind of water-soluble thioglycolate salt (TGA lithium) inhibitor as copper sulfurized ore thing in institute's separating mineral, can reach with the various embodiments described above in identical FLOTATION SEPARATION effect.
Can know that the inhibitor in the foregoing description can use also that TGA lithium, TGA are ferrous, in the calcium mercaptoacetate, TGA magnesium any, so long as a kind of water-soluble thioglycolate salt all can use.
Embodiment 5
Present embodiment 5 provides a kind of separation method of copper-lead sulfurized minerals, is that the raw ore with copper-lead sulfurized minerals is a raw material, carries out bulk flotation and separates the method that obtains lead concentrate and copper concentrate, specifically comprises:
Raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of copper-lead sulfurized minerals is mixed to roughly select obtaining copper stream mixed crude concentrate mineral, described copper stream mixed crude concentrate mineral is carried out copper-lead again mix the selected copper-lead bulk concentrate that obtains; In this two step, do not need to add inhibitor to the copper sulfurized ore thing;
The described copper-lead bulk concentrate mineral that obtain are separated roughly select, described copper-lead bulk concentrate mineral can not dewatered reagent removal and directly carry out FLOTATION SEPARATION, perhaps, described copper-lead bulk concentrate mineral are dewatered carry out FLOTATION SEPARATION again after the reagent removal, obtain plumbous rough concentrate and copper rough concentrate; In separating rougher process, add water-soluble thioglycolate salt or TGA as inhibitor, to obtain plumbous rough concentrate mineral and copper rough concentrate mineral to copper sulfurized ore thing in institute's separating mineral.
The plumbous rough concentrate mineral that obtain after afterwards separation being roughly selected carry out selected separation and obtain the lead concentrate mineral, in refining process, add water-soluble thioglycolate salt or TGA as the inhibitor to copper sulfurized ore thing in institute's separating mineral;
To separate the copper rough concentrate mineral that obtain after roughly selecting carry out lead and scan to separate and obtain the copper concentrate mineral, scan in the process at lead, add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral;
In the above steps, the consumption of the inhibitor that adds is to add 10～1000 grams in the corresponding institute per ton separating mineral, inhibitor can directly join in the mineral that separated, or be to join in the mineral that separated again after solvent is mixed with weak solution with water, can be after adding inhibitor, the mineral that separated are carried out stirring in 3～10 minutes, reach better flotation effect so that inhibitor better plays a role.
In the above-mentioned separation method, owing in floatation process, add water-soluble thioglycolate salt or TGA as inhibitor, because the characteristics that this inhibitor has that selectivity is good, the inhibition ability is strong, it is convenient to add, but low toxicity and flotation residual pharmacy natural decomposition become nontoxic or little poisonous substance matter discharging, it is a kind of hypotoxic inhibitor, when reaching better FLOTATION SEPARATION effect, and can reduce pollution to environment, can improve the working condition that copper-lead sulfurized minerals is separated, utilize this inhibitor that the method for the copper sulfurized ore thing in a kind of efficient separation copper-lead ore deposit can be provided.The separation method that utilizes the embodiment of the invention to the copper-lead bulk concentrate separate can obtain leaded greater than 70.0% lead concentrate and cupric greater than 20.0% copper concentrate.
In the above-mentioned separating mineral process, the water-soluble thioglycolate salt or the TGA of adding can directly add, and can be solvent with water also, behind the dilute with water, add with the weak solution form.This inhibitor has not only overcome the shortcoming that the big environmental pollution of dosing commonly used destroys, and also has the characteristics such as convenient, safe in utilization of adding simultaneously.For separating, copper-lead sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Below in conjunction with Fig. 2 with to the concrete separation process of copper-lead bulk concentrate mineral, the invention will be further described:
As shown in Figure 2, this method is that the raw ore with copper-lead sulfurized minerals is a raw material, the raw ore of copper-lead sulfurized minerals separated to roughly select obtaining copper stream mixed crude concentrate mineral, described copper stream mixed crude concentrate mineral are carried out copper-lead again mix the selected copper-lead bulk concentrate that obtains; In this two step, do not need to add inhibitor to the copper sulfurized ore thing;
The copper-lead bulk concentrate mineral that obtain are carried out detached job again in flotation cell, specifically: earlier copper-lead bulk concentrate mineral are carried out the copper-lead separation and roughly select, be about to the copper-lead bulk concentrate and add flotation cell, add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral, and stirring flotation, the general stirring about 3～10 minutes, FLOTATION SEPARATION obtains plumbous rough concentrate and copper rough concentrate respectively;
Again the plumbous rough concentrate that obtains is carried out the selected lead concentrate that obtains, also add water-soluble thioglycolate salt or TGA in the refining process as inhibitor to copper sulfurized ore thing in institute's separating mineral; General selectedly to carry out twice, as the copper-lead among Fig. 2 separate selected I, copper-lead separates selected II step, generally separate in the selected I step and add inhibitor at primary copper-lead;
The copper rough concentrate that obtains is carried out lead scan and obtain copper concentrate, lead is scanned and is also added in water-soluble thioglycolate salt or the TGA any in the process as the inhibitor to copper sulfurized ore thing in institute's separating mineral; General lead is scanned and will be carried out twice, separates as the copper-lead among Fig. 2 and scans I, copper-lead and separate and scan II, copper-lead and separate and scan the III step, and three copper-leads separate and all add inhibitor in scanning.
Be example so that certain boleite ore is carried out separating process below, said method be described further:
Used boleite head grade is Cu 0.66%, Pb 1.62%, and the raw ore ore obtains copper-lead mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper-lead mixed crude concentrate mineral that obtain is carried out copper-lead and mixes the selected copper-lead bulk concentrate mineral that obtain; All do not add inhibitor in this two step to the copper sulfurized ore thing;
The above-mentioned copper-lead bulk concentrate mineral that obtain are directly added and carry out the copper-lead detached job in the flotation cell without the dehydration reagent removal; In the copper-lead detached job, earlier copper-lead bulk concentrate mineral are separated and roughly select, in the rougher process, add sodium thioglycolate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 200g/t, the mineral that separate promptly corresponding per ton add the 200g inhibitor, stir 3 minutes, and FLOTATION SEPARATION obtains plumbous rough concentrate and copper rough concentrate (general copper rough concentrate is as mine tailing);
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add sodium thioglycolate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 80g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 70.55% and 97.44%;
Copper rough concentrate as mine tailing is carried out lead again to be scanned, lead is scanned in the process, add sodium thioglycolate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 80g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 24.27% and 89.03%.
Embodiment 6
Present embodiment 6 provides a kind of separation method of copper-lead sulfurized minerals, is that the raw ore with copper-lead sulfurized minerals is a raw material, carries out bulk flotation and separates the method that obtains lead concentrate and copper concentrate, and the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used boleite head grade is Cu 2.61%, Pb 1.23%, and the raw ore ore obtains copper-lead mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper-lead mixed crude concentrate mineral that obtain is carried out copper-lead and mixes the selected copper-lead bulk concentrate mineral that obtain; All do not add inhibitor in this two step to the copper sulfurized ore thing;
The above-mentioned copper-lead bulk concentrate mineral that obtain are directly added and carry out the copper-lead detached job in the flotation cell without the dehydration reagent removal; In the copper-lead detached job, earlier copper-lead bulk concentrate mineral are separated and roughly select, in the rougher process, add TGA potassium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 100g/t, the mineral that separate promptly corresponding per ton add the 100g inhibitor, stir 5 minutes, and FLOTATION SEPARATION obtains plumbous rough concentrate and copper rough concentrate (general copper rough concentrate is as mine tailing);
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add TGA potassium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 15g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 70.12% and 96.33%;
Copper rough concentrate as mine tailing is carried out lead again to be scanned, lead is scanned in the process, add TGA potassium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 30g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery that obtain copper concentrate copper are respectively 21.32% and 89.81%.
TGA potassium with less consumption in the present embodiment adds in institute's separating mineral as inhibitor, when having overcome the big environmental pollution destruction of dosing commonly used, has also reached separating effect preferably; And the TGA potassium that adds, can directly add or be diluted with water to the aqueous solution after add, have and add conveniently, characteristics safe in utilization provide a kind of effective ways easy to use, low in the pollution of the environment for copper-lead sulfurized minerals separates.
Embodiment 7
Present embodiment 7 provides a kind of separation method of copper-lead sulfurized minerals, is that the raw ore with copper-lead sulfurized minerals is a raw material, carries out bulk flotation and separates the method that obtains lead concentrate and copper concentrate, and the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used boleite head grade is Cu 3.26%, Pb 2.23%, and the raw ore ore obtains copper-lead mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper-lead mixed crude concentrate mineral that obtain is carried out copper-lead and mixes the selected copper-lead bulk concentrate mineral that obtain; All do not add inhibitor in this two step to the copper sulfurized ore thing;
The above-mentioned copper-lead bulk concentrate mineral that obtain are directly added and carry out the copper-lead detached job in the flotation cell without the dehydration reagent removal; In the copper-lead detached job, earlier copper-lead bulk concentrate mineral are separated and roughly select, in the rougher process, add ammonium mercaptoacetate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 1000g/t, the mineral that separate promptly corresponding per ton add the 1000g inhibitor, stir 8 minutes, and FLOTATION SEPARATION obtains plumbous rough concentrate and copper rough concentrate (general copper rough concentrate is as mine tailing);
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add ammonium mercaptoacetate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 200g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 71.06% and 93.13%;
Copper rough concentrate as mine tailing is carried out lead again to be scanned, lead is scanned in the process, add ammonium mercaptoacetate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 300g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery that obtain copper concentrate copper are respectively 22.32% and 91.65%.
Add in institute's separating mineral as inhibitor with ammonium mercaptoacetate in the present embodiment, when having overcome the big environmental pollution of dosing commonly used and destroy, reached separating effect preferably simultaneously; And the ammonium mercaptoacetate that adds, can directly add or be diluted with water to the aqueous solution after add, have and add conveniently, characteristics safe in utilization provide a kind of effective ways easy to use, low in the pollution of the environment for copper-lead sulfurized minerals separates.
Embodiment 8
Present embodiment 8 provides a kind of separation method of copper-lead sulfurized minerals, is that the raw ore with copper-lead sulfurized minerals is a raw material, carries out bulk flotation and separates the method that obtains lead concentrate and copper concentrate, and the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used boleite head grade is Cu 1.36%, Pb 5.23%, and the raw ore ore obtains copper-lead mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper-lead mixed crude concentrate mineral that obtain is carried out copper-lead and mixes the selected copper-lead bulk concentrate mineral that obtain; All do not add inhibitor in this two step to the copper sulfurized ore thing;
The above-mentioned copper-lead bulk concentrate mineral that obtain are directly added and carry out the copper-lead detached job in the flotation cell without the dehydration reagent removal; In the copper-lead detached job, earlier copper-lead bulk concentrate mineral are separated and roughly select, in the rougher process, add TGA as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 200g/t, the mineral that separate promptly corresponding per ton add the 200g inhibitor, stir 3 minutes, separate to obtain plumbous rough concentrate and copper rough concentrate (general copper rough concentrate is as mine tailing);
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add TGA as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 50g/t, under stirring, separate obtaining lead concentrate, the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 72.08% and 94.19%;
Copper rough concentrate as mine tailing is carried out lead again to be scanned, lead is scanned in the process, add TGA as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 50g/t, under stirring, separate obtaining copper concentrate, the grade and the detached job rate of recovery that obtain copper concentrate copper are respectively 21.55% and 88.63%.
Add in institute's separating mineral as inhibitor with TGA in the present embodiment, when having overcome the big environmental pollution of dosing commonly used and destroy, reached separating effect preferably simultaneously; And the TGA that adds, can directly add or be diluted with water to the aqueous solution after add, have and add conveniently, characteristics safe in utilization provide a kind of effective ways easy to use, low in the pollution of the environment for copper-lead sulfurized minerals separates.
Embodiment 9
Present embodiment 9 provides a kind of separation method of copper-lead sulfurized minerals, is that the raw ore with copper-lead sulfurized minerals is a raw material, carries out bulk flotation and separates the method that obtains lead concentrate and copper concentrate, and the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used boleite head grade is Cu 2.66%, Pb 5.63%, and the raw ore ore obtains copper-lead mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper-lead mixed crude concentrate mineral that obtain is carried out copper-lead and mixes the selected copper-lead bulk concentrate mineral that obtain; All do not add inhibitor in this two step to the copper sulfurized ore thing;
Carry out the copper-lead detached job in the flotation cell with joining again after the above-mentioned copper-lead bulk concentrate mineral process dehydration reagent removal that obtains; In the copper-lead detached job, earlier copper-lead bulk concentrate mineral are separated and roughly select, in the rougher process, add ammonium mercaptoacetate as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 480g/t, the mineral that separate promptly corresponding per ton add the 480g inhibitor, stir 3 minutes, and FLOTATION SEPARATION obtains plumbous rough concentrate and copper rough concentrate (general copper rough concentrate is as mine tailing);
Carry out selected again to the plumbous rough concentrate that obtains, in the refining process, add TGA potassium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 120g/t, under stirring, FLOTATION SEPARATION obtains lead concentrate, and the grade and the detached job rate of recovery of the lead concentrate lead that obtains are respectively 73.02% and 93.15%;
The copper rough concentrate as mine tailing that obtains is carried out lead again to be scanned, lead is scanned in the process, add TGA magnesium as inhibitor to the copper sulfurized ore thing, the consumption that adds inhibitor is 40g/t, under stirring, separate obtaining copper concentrate, the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 20.51% and 90.62%.
Use respectively in the present embodiment ammonium mercaptoacetate, TGA potassium and TGA magnesium as roughly select, the selected and plumbous inhibitor of scanning in the process, used ammonium mercaptoacetate, TGA potassium and TGA magnesium are liquid, can directly add or be diluted in the ore pulp system of adding institute's separating mineral in the water again to.Not only overcome the shortcoming that the big environmental pollution of dosing commonly used destroys, also had the characteristics such as convenient, safe in utilization of adding simultaneously; For separating, copper-lead sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
In sum, in the separation method of the copper-lead sulfurized minerals of the embodiment of the invention, with water-soluble thioglycolate salt or TGA as in institute's separating mineral to the inhibitor of copper sulfurized ore thing, not only overcome big Cymag of existing use toxicity or potassium cyanide medicament environmental pollution and destroyed important disadvantages; And because this inhibitor is a liquid, can directly add or be diluted in back interpolation in the water, also have the characteristics such as convenient, safe in utilization of adding, provide a kind of effective ways easy to use, low in the pollution of the environment for copper-lead sulfurized minerals separates.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; the present invention is not caused any restriction because of the precedence of each embodiment yet; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. the separation method of a copper-lead sulfurized minerals, this method is a raw material with the raw ore of copper-lead sulfurized minerals, it is characterized in that, comprising:
The raw ore of described copper-lead sulfurized minerals is carried out FLOTATION SEPARATION obtain the lead concentrate mineral, perhaps obtain lead concentrate mineral and copper concentrate mineral, in raw ore FLOTATION SEPARATION process, add water-soluble thioglycolate salt or TGA as inhibitor to copper sulfurized ore thing in institute's separating mineral to described copper-lead sulfurized minerals.
2. the separation method of copper-lead sulfurized minerals according to claim 1, it is characterized in that described water-soluble thioglycolate salt comprises: sodium thioglycolate, TGA potassium, ammonium mercaptoacetate, TGA lithium, TGA are ferrous, in the calcium mercaptoacetate, TGA magnesium any.
3. the separation method of copper-lead sulfurized minerals according to claim 1 is characterized in that: described raw ore to described copper-lead sulfurized minerals carries out FLOTATION SEPARATION and obtains the lead concentrate mineral and comprise:
The raw ore of described copper-lead sulfurized minerals separated roughly select, obtain plumbous rough concentrate mineral;
Afterwards the described plumbous rough concentrate mineral that obtain are carried out selected separation and obtain the lead concentrate mineral.
4. the separation method of copper-lead sulfurized minerals according to claim 3, it is characterized in that: described raw ore to described copper-lead sulfurized minerals separates to be roughly selected and the described plumbous rough concentrate mineral that obtain is carried out in the refining process, all adds water-soluble thioglycolate salt or TGA as the inhibitor to copper sulfurized ore thing in institute's separating mineral.
5. the separation method of copper-lead sulfurized minerals according to claim 1 is characterized in that: described raw ore to described copper-lead sulfurized minerals carries out that FLOTATION SEPARATION obtains the lead concentrate mineral and the copper concentrate mineral comprise:
Earlier the raw ore of described copper-lead sulfurized minerals is mixed to roughly select obtaining the copper-lead mixed crude concentrate, described copper-lead mixed crude concentrate is mixed the selected copper-lead bulk concentrate that obtains;
Described copper-lead bulk concentrate separated to roughly select obtain plumbous rough concentrate and copper rough concentrate;
Afterwards described plumbous rough concentrate mineral are carried out selected separation and obtain the lead concentrate mineral, described copper rough concentrate mineral are carried out lead scan to separate and obtain the copper concentrate mineral.
6. the separation method of copper-lead sulfurized minerals according to claim 5 is characterized in that, described copper-lead bulk concentrate mineral is carried out FLOTATION SEPARATION obtains the lead concentrate mineral and the copper concentrate mineral further comprise:
The reagent removal of not dewatering is directly carried out FLOTATION SEPARATION and is obtained plumbous rough concentrate and copper rough concentrate to described copper-lead bulk concentrate mineral;
Perhaps, described copper-lead bulk concentrate mineral are dewatered carry out FLOTATION SEPARATION again after the reagent removal and obtain plumbous rough concentrate and copper rough concentrate.
7. the separation method of copper-lead sulfurized minerals according to claim 5, it is characterized in that: roughly select, described plumbous rough concentrate mineral are carried out selected and described copper rough concentrate mineral are carried out lead scanning in the process described described copper-lead bulk concentrate mineral separated, and all adds water-soluble thioglycolate salt or TGA as the inhibitor to copper sulfurized ore thing in institute's separating mineral.
8. according to the separation method of each described copper-lead sulfurized minerals in the claim 1,2,4 or 5, it is characterized in that described method further comprises: after adding inhibitor, the mineral that separated are stirred, mixing time is 3～10 minutes.
9. according to the separation method of claim 1,2,4 or 5 each described copper-lead sulfurized minerals, it is characterized in that the consumption of the water-soluble thioglycolate salt of copper sulfurized ore thing inhibitor or TGA is to add 10～1000 grams in the institute per ton separating mineral in the conduct institute separating mineral of described adding.
10. the separation method of copper-lead sulfurized minerals according to claim 1 and 2, it is characterized in that the water-soluble thioglycolate salt of described adding or TGA adopt in the ore pulp system that directly joins institute's separating mineral as the inhibitor to copper sulfurized ore thing in institute's separating mineral or to make after the water dissolving in the ore pulp system that the aqueous solution joins institute's separating mineral.
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| CN102274800A (en) * | 2011-07-15 | 2011-12-14 | 沈阳有色金属研究院 | Composite inhibitor for inhibition in flotation of copper sulfide ore |
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| CN102824962A (en) * | 2012-09-17 | 2012-12-19 | 株洲市兴民科技有限公司 | Reagent formula used for zinc leaching residue floatation process and application method of reagent formula |
| CN103706487A (en) * | 2013-12-06 | 2014-04-09 | 西北矿冶研究院 | Fine-grained lead-silver ore collecting agent |
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| CN102274800A (en) * | 2011-07-15 | 2011-12-14 | 沈阳有色金属研究院 | Composite inhibitor for inhibition in flotation of copper sulfide ore |
| CN102744155A (en) * | 2012-08-06 | 2012-10-24 | 云南罗平锌电股份有限公司 | Method for comprehensively recovering lead and silver from lead slag |
| CN102824962A (en) * | 2012-09-17 | 2012-12-19 | 株洲市兴民科技有限公司 | Reagent formula used for zinc leaching residue floatation process and application method of reagent formula |
| CN102824962B (en) * | 2012-09-17 | 2015-03-04 | 株洲市兴民科技有限公司 | Reagent formula used for zinc leaching residue floatation process and application method of reagent formula |
| CN103706487B (en) * | 2013-12-06 | 2016-03-02 | 西北矿冶研究院 | Fine-grained lead-silver ore collecting agent |
| CN103706487A (en) * | 2013-12-06 | 2014-04-09 | 西北矿冶研究院 | Fine-grained lead-silver ore collecting agent |
| CN103949351B (en) * | 2014-05-15 | 2016-08-17 | 北京矿冶研究总院 | Flotation inhibitor and preparation and use methods thereof |
| CN103949351A (en) * | 2014-05-15 | 2014-07-30 | 北京矿冶研究总院 | Flotation inhibitor and preparation and use methods thereof |
| CN104624386A (en) * | 2015-02-12 | 2015-05-20 | 中国地质科学院矿产综合利用研究所 | Copper-lead bulk concentrate flotation separation inhibitor and preparation method and beneficiation method thereof |
| CN104624386B (en) * | 2015-02-12 | 2017-03-01 | 中国地质科学院矿产综合利用研究所 | Copper-lead bulk concentrate flotation separation inhibitor and preparation method and beneficiation method thereof |
| CN105107636A (en) * | 2015-09-24 | 2015-12-02 | 北京矿冶研究总院 | Organic lead inhibitor and application thereof |
| CN106423535A (en) * | 2016-10-19 | 2017-02-22 | 湖南有色金属研究院 | Magnetic flotation combined beneficiation process for separating copper and lead sulphide ores |
| CN106540813A (en) * | 2016-10-29 | 2017-03-29 | 广西冶金研究院有限公司 | A kind of beneficiation method of the high cement copper lead sulphide ore of high-carbon |
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