CN109833978A - A method of improving silver lead zinc ore argentalium mineral processing index - Google Patents
A method of improving silver lead zinc ore argentalium mineral processing index Download PDFInfo
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- CN109833978A CN109833978A CN201910240287.8A CN201910240287A CN109833978A CN 109833978 A CN109833978 A CN 109833978A CN 201910240287 A CN201910240287 A CN 201910240287A CN 109833978 A CN109833978 A CN 109833978A
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Abstract
The invention discloses a kind of methods for improving silver lead zinc ore argentalium mineral processing index, under conditions of grinding fineness is that -0.074mm accounts for 68%, lime control slurry pH is added into grinding machine after 9.5~10.5, quantitative inhibitor is added into grinding machine again, it by roughing twice, twice scans and triple cleaning, obtains qualified lead concentrate；Wherein, roughing and collecting agent, foaming agent are added when scanning, inhibitor are added when selected, third time is selected to use flotation column.The present invention is maintained between 9.5~10.5 by using lime adjustment slurry pH is added, by using zinc sulfate and sodium sulfite as composite restrainer, use diethyldithiocarbamate and aniline aerofloat as combined capturing and collecting agent, the FLOTATION SEPARATION of argentiferous intrcate Pb-Zn sulphide ore is realized under the conditions of low alkali, and improves lead concentrate quality using flotation column.
Description
Technical field
The invention belongs to mineral floating technical fields, specifically, being related to a kind of raising silver lead zinc ore argentalium mineral processing index
Method.
Background technique
For 10% or more Pb-Zn deposits raw ore sulfur-bearing, argentiferous 60g/t.High-alkali process regime of agent is simple, but for argentiferous
High Pb-Zn deposits, the rate of recovery using the method silver is low, under the conditions of low alkali, is conducive to the synthetical recovery of silver, but in lead concentrate
It is mingled with the pyrite and magnetic iron ore of a large amount of particulates, so that lead grade is not high in lead concentrate, it is difficult so as to cause the smelting of lead.So
And flotation column is a kind of novel energy-efficient floatation equipment, has many advantages, such as high to sorting mineral index, is especially adapted for use in
The sorting of fine.Currently, having achieved relatively good effect in copper mine, molybdenum ore ore dressing, but also rarely seen in lead ore dressing
Report.
Therefore it is directed to argentiferous high sulfur-lead-zinc ore, develops and improves the floating of lead concentrate grade using flotation column under the conditions of low alkali
Separation method is selected, the rate of recovery of lead concentrate quality and silver is improved, there is practical significance to production process.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of raising silver lead zinc ore argentalium
The method of mineral processing index is maintained between 9.5~10.5, by using zinc sulfate by using lime adjustment slurry pH is added
With sodium sulfite as composite restrainer, uses diethyldithiocarbamate and aniline aerofloat as combined capturing and collecting agent, realized under the conditions of low alkali
The FLOTATION SEPARATION of argentiferous intrcate Pb-Zn sulphide ore, and lead concentrate quality is improved using flotation column.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution:
A method of silver lead zinc ore argentalium mineral processing index is improved, is the condition that -0.074mm accounts for 68% in grinding fineness
Under, lime control slurry pH is added into grinding machine after 9.5~10.5, then quantitative inhibitor is added into grinding machine, pass through
Roughing twice is scanned and triple cleaning twice, obtains qualified lead concentrate；Wherein, roughing and collecting agent, blistering are added when scanning
Inhibitor is added in agent when selected, third time is selected to use flotation column.
Specific steps are as follows:
Step 1, grinding condition, under conditions of grinding fineness is that -0.074mm accounts for 68%, addition lime control in grinding machine
Grinding machine is added 9.5~10.5, and by inhibitor in slurry pH；
Step 2, roughing is added collecting agent, foaming agent progress one roughing, obtains froth pulp A, tailing a, tailing a adds
Collecting agent, foaming agent carry out secondary roughing, obtain froth pulp B, tailing b；
Step 3, it scans, tailing b is added collecting agent and carries out once purging selection, obtains scavenger concentrate E, scans tailing e, will scan
Tailing e be added collecting agent carry out it is secondary scans, obtain scavenger concentrate F, scan tailing f, wherein scavenger concentrate E back to arrive tailing a
Secondary roughing is carried out together, and scavenger concentrate F carries out once purging selection back to tailing b together, and scanning tailing f is final lead tail
Mine；
Step 4, selected, froth pulp B is added inhibitor and carries out primary cleaning, obtains froth pulp C, tailing c, and foam produces
Product C is added inhibitor and carries out recleaning, obtains froth pulp D, tailing d, wherein tailing c carries out two back to tailing a together
Secondary roughing, tailing d carry out recleaning back to froth pulp C together；
Step 5, triple cleaning, froth pulp A feeds flotation column together with froth pulp D and carries out triple cleaning, and is added
Inhibitor obtains qualified lead concentrate.
Further, the collecting agent is made of diethyldithiocarbamate, aniline aerofloat by weight 1:3, and the inhibitor is by sulfuric acid
Zinc, sodium sulfite are formed by weight 1:1, and the foaming agent is No. 2 oil.
Further, the amount of inhibitor is added in grinding machine are as follows: zinc sulfate 800g/t, sodium sulfite 800g/t.
Further, the amount of collecting agent is added in one roughing are as follows: 10~15g/t of diethyldithiocarbamate, 30~45g/t of aniline aerofloat,
The amount of foaming agent are as follows: No. 2 10~15g/t of oil；The amount of collecting agent is added in secondary roughing are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/
T, the amount of foaming agent are as follows: No. 2 oil 5g/t.
Further, the amount that collecting agent is added is scanned are as follows: 0~5g/t of diethyldithiocarbamate, 0~15g/t of aniline aerofloat, foaming agent
Amount are as follows: No. 2 0~5g/t of oil.
Further, the selected amount that inhibitor is added are as follows: 0~500g/t of zinc sulfate, 0~500g/t of sodium sulfite.
Further, in step 2, the amount of collecting agent is added in one roughing are as follows: diethyldithiocarbamate 15g/t, aniline aerofloat 45g/
T, the amount of foaming agent are as follows: No. 2 oil 15g/t；The amount of collecting agent is added in secondary roughing are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/
T, No. 2 oil 5g/t of foaming agent.
Further, in step 3, the amount of collecting agent is added in once purging selection are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t,
The amount of foaming agent are as follows: No. 2 oil 5g/t, the secondary amount for scanning addition collecting agent are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t.
Further, in step 4 primary cleaning be added collecting agent amount are as follows: zinc sulfate 500g/t, sodium sulfite 500g/
The amount of collecting agent is added in t, recleaning are as follows: zinc sulfate 300g/t, sodium sulfite 300g/t；Triple cleaning is added in step 5
The amount of collecting agent are as follows: zinc sulfate 300g/t, sodium sulfite 300g/t.
It is directed to argentiferous (about 100g/t) intrcate Pb-Zn sulphide ore of sulfur-bearing about 13% in the present invention, is used under the conditions of low alkali
Flotation column improves the rate of recovery of lead concentrate quality and associated silver, under conditions of grinding fineness is that -0.074mm accounts for 68%, uses stone
Ash adjustment slurry pH is maintained at 9.5~10.5, while using the composite restrainer of zinc sulfate and sodium sulfite, amount ratio is
1:1, collecting agent then select the combined capturing and collecting agent of diethyldithiocarbamate and aniline aerofloat, amount ratio 1:3, and foaming agent then selects No. 2 oil,
Flotation flowsheet select roughing twice, scan twice with triple cleaning process, wherein first time roughing be quick roughing, foam and
It is selected that recleaning foam feeds flotation column progress third time together.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
The present invention is maintained between 9.5~10.5 by using lime adjustment slurry pH is added, by using zinc sulfate
With sodium sulfite as composite restrainer, uses diethyldithiocarbamate and aniline aerofloat as combined capturing and collecting agent, realized under the conditions of low alkali
The FLOTATION SEPARATION of argentiferous intrcate Pb-Zn sulphide ore, and lead concentrate quality is improved using flotation column.The method of the present invention effectively improves lead
Concentrate quality and the rate of recovery reduce production cost, economize on resources, and have stronger practicability, are suitable for popularization and application.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the application, for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is flow diagram of the present invention.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
A kind of method improving silver lead zinc ore argentalium mineral processing index of the present invention is that -0.074mm is accounted in grinding fineness
Under conditions of 68%, lime control slurry pH is added into grinding machine after 9.5~10.5, then quantitative suppression is added into grinding machine
Preparation by roughing twice, is twice scanned and triple cleaning, obtains qualified lead concentrate.Wherein, roughing and being added when scanning is caught
Agent, foaming agent are received, inhibitor is added when selected, third time is selected to use flotation column.
9.5~10.5 are maintained at lime adjustment slurry pH, while being inhibited using the combination of zinc sulfate and sodium sulfite
Agent, amount ratio 1:1, collecting agent then select the combined capturing and collecting agent of diethyldithiocarbamate and aniline aerofloat, amount ratio 1:3, blistering
No. 2 oil are then selected in agent, flotation flowsheet select roughing twice, scan twice with triple cleaning process, wherein first time roughing is fast
It is selected that fast roughing, foam and recleaning foam carry out third time together.
The roughing of lead: 10~15g/t of collecting agent diethyldithiocarbamate, 30~45g/t of aniline aerofloat, foaming agent 2 is added in one roughing
Number 10~15g/t of oil, it is selected that froth pulp directly carries out third time；Secondary roughing: collecting agent diethyldithiocarbamate 5g/t, nigrosine is added
Medicine 15g/t, No. 2 oil 5g/t of foaming agent, the first time that froth pulp enters lead are selected；
Lead is scanned: 0~5g/t of collecting agent diethyldithiocarbamate, 0~15g/t of aniline aerofloat, No. 2 0~5g/t of oil of foaming agent is added；
Lead it is selected: 0~500g/t of selected addition inhibitor zinc sulfate, 0~500g/t of sodium sulfite, third time selected are adopted
Use flotation column.
Specifically:
(1) grinding condition: grinding fineness is that -0.074mm accounts for 68%, while adding lime in grinding machine and controlling slurry pH
Grinding machine is added together between 9.5~10.5, and inhibitor zinc sulfate 800g/t, each 800g/t of sodium sulfite；
(2) one roughing of lead: being added collecting agent diethyldithiocarbamate 15g/t, aniline aerofloat 45g/t, No. 2 oil 15g/t of foaming agent,
It is selected that froth pulp directly feeds flotation column progress third time；
(3) collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, No. 2 oil 5g/t of foaming agent, bubble the secondary roughing of lead: is added
The first time that foam product enters lead is selected；
(4) collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, No. 2 oil 5g/t of foaming agent the once purging selection of lead: is added；
(5) the secondary of lead is scanned: collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t is added；
(6) inhibitor zinc sulfate 500g/t, sodium sulfite 500g/t the primary cleaning of lead: is added；
(7) inhibitor zinc sulfate 300g/t, sodium sulfite 300g/t the recleaning of lead: is added；
(8) triple cleaning of lead: lead one roughing and recleaning foam feed flotation column together and carry out triple cleaning, add
Enter inhibitor zinc sulfate 300g/t, sodium sulfite 300g/t.
It is maintained between 9.5~10.5 by using lime adjustment slurry pH is added, by using zinc sulfate and sulfurous
Sour sodium uses diethyldithiocarbamate and aniline aerofloat as combined capturing and collecting agent as composite restrainer, realizes that argentiferous is multiple under the conditions of low alkali
The FLOTATION SEPARATION of miscellaneous lead zinc sulphur ore, and lead concentrate quality is improved using flotation column.
Embodiment 1
Tibet lead zinc sulphur ore raw ore multielement analysis the results are shown in Table 1.
1 raw ore multielement analysis of table
Using process flow as shown in Figure 1, specific process parameter is as follows:
(1) grinding condition: grinding fineness is that -0.074mm accounts for 68%, while 800g/t lime, ore pulp are added in grinding machine
PH value is 9.5, and grinding machine is added in inhibitor zinc sulfate 800g/t, sodium sulfite 800g/t together；
(2) one roughing of lead: being added collecting agent diethyldithiocarbamate 15g/t, aniline aerofloat 45g/t, No. 2 oil 15g/t of foaming agent,
It is selected that froth pulp directly feeds flotation column progress third time；
(3) the secondary roughing of lead: collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, foaming agent is added in pH values of pulp 9.5
No. 2 oil 5g/t, the first time that froth pulp enters lead are selected；
(4) once purging selection of lead: inhibitor, collecting agent and foaming agent are not added for pH values of pulp 9.5；
(5) the secondary of lead is scanned: pH values of pulp 9.5, and collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 5g/t is added；
(6) primary cleaning of lead: inhibitor zinc sulfate 100g/t, Asia is added in addition lime 500g/t, pH values of pulp 10.2
Sodium sulphate 100g/t；
(7) recleaning of lead: inhibitor zinc sulfate 50g/t, sodium sulfite 50g/t is added in pH values of pulp 10.3, is added
Collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 5g/t；
(8) triple cleaning of lead: pH values of pulp 10.5, the quick roughing of lead and recleaning foam feed together flotation column into
Lime 200g/t is added in row triple cleaning.
It by roughing twice, twice scans and triple cleaning, can get qualified lead concentrate.
Technical indicator: lead grade 59.65% in lead concentrate, argentiferous 680g/t, lead recovery 88.46%, the silver-colored rate of recovery
70.62%.
Embodiment 2
Yunnan lead zinc sulphur ore raw ore multielement analysis the results are shown in Table 1.
2 raw ore multielement analysis of table
Using process flow as shown in Figure 1, specific process parameter is as follows:
(1) grinding condition: grinding fineness is that -0.074mm accounts for 68%, while 1000g/t lime, ore pulp are added in grinding machine
PH value is 10, and grinding machine is added in inhibitor zinc sulfate 800g/t, sodium sulfite 800g/t together；
(2) one roughing of lead: being added collecting agent diethyldithiocarbamate 10g/t, aniline aerofloat 30g/t, No. 2 oil 10g/t of foaming agent,
It is selected that froth pulp directly feeds flotation column progress third time；
(3) the secondary roughing of lead: collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, foaming agent is added in pH values of pulp 9.5
No. 2 oil 5g/t, the first time that froth pulp enters lead are selected；
(4) once purging selection of lead: inhibitor, collecting agent and foaming agent are not added for pH values of pulp 9.5；
(5) the secondary of lead is scanned: pH values of pulp 9.5, and collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 5g/t is added；
(6) primary cleaning of lead: inhibitor zinc sulfate 100g/t, Asia is added in addition lime 500g/t, pH values of pulp 10.2
Sodium sulphate 100g/t；
(7) recleaning of lead: inhibitor zinc sulfate 50g/t, sodium sulfite 50g/t is added in pH values of pulp 10.3, is added
Collecting agent diethyldithiocarbamate 5g/t, aniline aerofloat 5g/t；
(8) triple cleaning of lead: pH values of pulp 10.5, the quick roughing of lead and recleaning foam feed together flotation column into
Lime 200g/t is added in row triple cleaning.
It by roughing twice, twice scans and triple cleaning, can get qualified lead concentrate.
Technical indicator: lead grade 61.43% in lead concentrate, argentiferous 1600g/t, lead recovery 88.96%, the silver-colored rate of recovery
73.96%.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of method for improving silver lead zinc ore argentalium mineral processing index, which is characterized in that accounted in grinding fineness for -0.074mm
Under conditions of 68%, lime control slurry pH is added into grinding machine after 9.5~10.5, then quantitative suppression is added into grinding machine
Preparation by roughing twice, is twice scanned and triple cleaning, obtains qualified lead concentrate；Wherein, roughing and being added when scanning is caught
Agent, foaming agent are received, inhibitor is added when selected, third time is selected to use flotation column.
2. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 1, which is characterized in that specific step
Suddenly are as follows:
Step 1, grinding condition, under conditions of grinding fineness is that -0.074mm accounts for 68%, addition lime controls ore pulp in grinding machine
Grinding machine is added 9.5~10.5, and by inhibitor in pH value；
Step 2, roughing is added collecting agent, foaming agent progress one roughing, obtains froth pulp A, tailing a, tailing a adds collecting
Agent, foaming agent carry out secondary roughing, obtain froth pulp B, tailing b；
Step 3, it scans, tailing b is added collecting agent and carries out once purging selection, obtains scavenger concentrate E, scans tailing e, will scan tailing
E be added collecting agent carry out it is secondary scans, obtain scavenger concentrate F, scan tailing f, wherein scavenger concentrate E back to tailing a together
Secondary roughing is carried out, scavenger concentrate F carries out once purging selection back to tailing b together, and scanning tailing f is final lead tailing；
Step 4, selected, froth pulp B is added inhibitor and carries out primary cleaning, obtains froth pulp C, tailing c, froth pulp C
Inhibitor is added and carries out recleaning, obtains froth pulp D, tailing d, wherein tailing c is secondary thick back to carrying out together to tailing a
Choosing, tailing d carry out recleaning back to froth pulp C together；
Step 5, triple cleaning, froth pulp A feeds flotation column together with froth pulp D and carries out triple cleaning, and inhibition is added
Agent obtains qualified lead concentrate.
3. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 1 or 2, which is characterized in that institute
State collecting agent and be made of diethyldithiocarbamate, aniline aerofloat by weight 1:3, the inhibitor by zinc sulfate, sodium sulfite by weight
1:1 composition, the foaming agent are No. 2 oil.
4. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 1 to 3, which is characterized in that
The amount of inhibitor is added in grinding machine are as follows: zinc sulfate 800g/t, sodium sulfite 800g/t.
5. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 1 to 4, which is characterized in that
The amount of one roughing addition collecting agent are as follows: 10~15g/t of diethyldithiocarbamate, 30~45g/t of aniline aerofloat, the amount of foaming agent are as follows: No. 2 oil
10~15g/t；The amount of collecting agent is added in secondary roughing are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, the amount of foaming agent are as follows: No. 2
Oily 5g/t.
6. the method for -5 any a kind of raising silver lead zinc ore argentalium mineral processing indexs according to claim 1, which is characterized in that
Scan the amount that collecting agent is added are as follows: 0~5g/t of diethyldithiocarbamate, 0~15g/t of aniline aerofloat, the amount of foaming agent are as follows: No. 2 0~5g/ of oil
t。
7. the method for -6 any a kind of raising silver lead zinc ore argentalium mineral processing indexs according to claim 1, which is characterized in that
The selected amount that inhibitor is added are as follows: 0~500g/t of zinc sulfate, 0~500g/t of sodium sulfite.
8. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 2, which is characterized in that step 2
In, the amount of collecting agent is added in one roughing are as follows: diethyldithiocarbamate 15g/t, aniline aerofloat 45g/t, the amount of foaming agent are as follows: No. 2 oil
15g/t；The amount of collecting agent is added in secondary roughing are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, No. 2 oil 5g/t of foaming agent.
9. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 2, which is characterized in that step 3
In, the amount of collecting agent is added in once purging selection are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t, the amount of foaming agent are as follows: No. 2 oil 5g/
T, it is secondary to scan the amount that collecting agent is added are as follows: diethyldithiocarbamate 5g/t, aniline aerofloat 15g/t.
10. a kind of method for improving silver lead zinc ore argentalium mineral processing index according to claim 2, which is characterized in that step 4
The amount of collecting agent is added in middle primary cleaning are as follows: collecting agent is added in zinc sulfate 500g/t, sodium sulfite 500g/t, recleaning
Amount are as follows: zinc sulfate 300g/t, sodium sulfite 300g/t；The amount of collecting agent is added in triple cleaning in step 5 are as follows: zinc sulfate
300g/t, sodium sulfite 300g/t.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113798050A (en) * | 2021-08-10 | 2021-12-17 | 北京矿酷数科信息技术有限公司 | Beneficiation method for silver-lead-zinc ore |
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| CN108160307A (en) * | 2017-12-25 | 2018-06-15 | 西部矿业股份有限公司 | A kind of beneficiation method of carbon containing and high magnetic iron ore type lead-zinc sulfide ore |
| CN109107771A (en) * | 2018-07-06 | 2019-01-01 | 云南中金共和资源有限公司 | Combined capturing and collecting agent improves low-grade lead zinc-silver ore-dressing of polymetallic ore and refers to calibration method |
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| CN113798050A (en) * | 2021-08-10 | 2021-12-17 | 北京矿酷数科信息技术有限公司 | Beneficiation method for silver-lead-zinc ore |
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