CN103736595A - Method for improving grade of silver concentrate recovered through zinc leaching residue flotation - Google Patents
Method for improving grade of silver concentrate recovered through zinc leaching residue flotation Download PDFInfo
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- CN103736595A CN103736595A CN201410013689.1A CN201410013689A CN103736595A CN 103736595 A CN103736595 A CN 103736595A CN 201410013689 A CN201410013689 A CN 201410013689A CN 103736595 A CN103736595 A CN 103736595A
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Abstract
The invention belongs to the field of metallurgy, in particular relates to a method for improving the grade of silver concentrate recovered through zinc leaching residue flotation in silver recovery through flotation from conventional zinc hydrometallurgy leaching residue. According to the method, activated charcoal, choosing black catching agent, Z-200, xanthate and No. 2 oil as flotation agents, adding a raw ore agents mixing agitation tank for agitating flotation raw ore and flotation agents, and enabling the flotation raw ore and the flotation agents to be mixed completely so as to improve the grade of silver concentrate recovered through zinc leaching residue flotation. The grade of silver concentrate produced through the method is improved from 2000-2500g/t to 5000-10000g/t, and the loss of zinc in silver content is reduced greatly.
Description
Technical field
The invention belongs to metal smelt field, relate in particular to a kind of method that reclaims silver preparation concentrate grade for reclaim silver-colored raising zinc leaching residue flotation from the flotation of conventional zinc hydrometallurgy leached mud.
Background technology
About 80% zinc adopts wet production in the world at present.Silver in zinc concentrate (0～300g/t) through the roasting of Zinc Hydrometallurgy Process, leach after operation, the overwhelming majority is enriched in zinc leaching residue (100～600g/tAg).Today of, silver-colored consumption day by day increasingly deficient in resource, reclaim silver in zinc leaching residue to rationally utilizing this slag, increasing Business Economic Benefit has important realistic meaning.
Existing from zinc leaching residue flotation reclaim silver-colored system, the silver preparation concentrate argentiferous grade of producing on average at 2000 ~ 2500g/t, output (dry measure) every day is at 20 ~ 25 tons, silver preparation concentrate grade is low, lose approximately 5 tons of zinc amounts of metal every day, other valuable metals also have a large amount of losses, serious waste of resources.
Summary of the invention
The object of the invention is to change existing from zinc leaching residue flotation reclaim the deficiency in silver-colored technology, and a kind of method that silver preparation concentrate grade is reclaimed in zinc leaching residue flotation that improves is provided, selecting active carbon, black powder and Z-200, xanthate, 2# oil is floating agent, increasing raw ore medicament mix and blend groove stirs flotation raw ore and floating agent, flotation raw ore and floating agent are fully merged, to put forward the grade that reclaims silver preparation concentrate from zinc leaching residue flotation.
The technical solution adopted in the present invention:
Improve the method that silver preparation concentrate grade is reclaimed in zinc leaching residue flotation, comprise the following steps:
Step 1), will from zinc hydrometallurgy, leach the acidleach underflow coming in workshop and be delivered to the concentrator in silver-colored flotation workshop, by concentrator to from zinc hydrometallurgy, leach the acidleach underflow coming in workshop carry out dense, output flotation raw ore;
Step 2), flotation raw ore is delivered to the high-order dashpot of raw ore continuously and stably through delivery pump, to guarantee to enter into the flotation raw ore steady and continuous of roughly selecting flotation device, be beneficial to flotation;
In step 3), the high-order dashpot of raw ore, flotation raw ore flows automatically to raw ore medicament mix and blend groove;
Step 4), in raw ore medicament mix and blend groove, add floating agent, fully stir, increase the action time of floating agent and flotation raw ore, floating agent and flotation raw ore are fully acted on;
Raw ore in step 5), raw ore medicament mix and blend groove after stirring action flows automatically to be roughly selected in flotation device, and after roughly selecting flotation, the concentrate foam stream of flotation is to selected Ι, and the mine tailing flow of slurry of flotation is to scanning in Ι;
The concentrate foam of the flotation obtaining in step 6), step 5) is after selected Ι flotation, and the concentrate foam stream of flotation is to selected п, and the mine tailing flow of slurry of flotation is to roughly selecting flotation device;
The concentrate foam of the flotation obtaining in step 7), step 6) is after selected п flotation, and the concentrate foam stream of flotation is to selected ш, and the mine tailing flow of slurry of flotation is to selected Ι;
The concentrate foam of the flotation obtaining in step 8), step 7) is after selected ш flotation, and the concentrate foam of flotation is silver preparation concentrate after filter press press filtration, and the mine tailing flow of slurry of flotation is to selected п;
In step 9), step 1) to the mine tailing flow of slurry of flotation after scanning Ι flotation, the concentrate foam stream of flotation is to roughly selecting flotation device, the mine tailing flow of slurry of flotation is to scanning п;
The mine tailing flow of slurry of the flotation obtaining in step 10), step 9) is after scanning п flotation, and the concentrate foam stream of flotation is to scanning Ι, and the mine tailing flow of slurry of flotation is to scanning ш;
The mine tailing flow of slurry of the flotation obtaining in step 11), step 10) is after scanning ш flotation, and the concentrate foam stream of flotation is to scanning п, and the mine tailing ore pulp of flotation is mine tailings after filter press press filtration.
In described step 4), the medicament adding in raw ore medicament mix and blend groove is active carbon, black powder, Z-200 or xanthate, four kinds of medicaments of 2# oil; The addition of active carbon, black powder, Z-200 or xanthate, 2# oil adds active carbon amount for processing flotation raw ore per ton is 3000g/t, and butyl ammonium aerofloat is 900g/t, and Z-200 is that 150g/t or xanthate are 900g/t, and 2# oil is 150g/t; Be 10 ~ 15 minutes the action time of raw ore medicament mix and blend groove Chinese medicine and raw ore.
In described step 4), before and after stirring, pH value and flotation raw ore concentration are constant, and in raw ore medicament mix and blend groove, pulp PH value is 3.5 ~ 4.5, and flotation raw ore concentration is 25% ~ 35%.
In described step 6), need to add medicament in selected Ι, adding medicament is butyl ammonium aerofloat and 2# oil, and the addition of butyl ammonium aerofloat and 2# oil is 75g/t for processing flotation raw ore per ton adds butyl ammonium aerofloat, and 2# oil is 150g/t.
In described step 7), need to add medicament in selected п, adding medicament is butyl ammonium aerofloat, and the addition of butyl ammonium aerofloat is 27g/t for processing dry slag per ton need add butyl ammonium aerofloat.
In described step 8), the liquid level of selected ш will be sought to stable, and by regulating the liquid level valve of flotation device, in order to adjust the foam volume scraping, the foam scraping is pure foam, can not carry slurries.
In described step 9), need to add medicament in scanning Ι, adding medicament is butyl ammonium aerofloat and 2# oil, and the addition of butyl ammonium aerofloat and 2# oil is 360g/t for processing dry slag per ton need add butyl ammonium aerofloat, and 2# oil is 150g/t.
In described step 10), need to add medicament in scanning п, adding medicament is butyl ammonium aerofloat, and the addition of butyl ammonium aerofloat is 27g/t for processing dry slag per ton need add butyl ammonium aerofloat.
In described step 11), need to add medicament in scanning ш, adding medicament is butyl ammonium aerofloat, and the addition of butyl ammonium aerofloat is 18g/t for processing dry slag per ton need add butyl ammonium aerofloat.
Beneficial effect of the present invention:
1, the present invention rationally utilizes dosing and medicament combination, adopting active carbon is flotation carrier, black powder and Z-200 or xanthate are combined capturing and collecting agent, 2# oil is foaming agent, increase raw ore medicament mix and blend groove simultaneously, to increase the action time of flotation raw ore and floating agent, make the silver preparation concentrate of output be increased to 5000 ~ 10000g/t by 2000 ~ 2500g/t grade, greatly reduce the loss of zinc amount of metal in silver preparation concentrate simultaneously.
Accompanying drawing explanation
Fig. 1 is that the present invention improves the process chart that the method for silver preparation concentrate grade is reclaimed in zinc leaching residue flotation.
The specific embodiment
As shown in Figure 1, the method for raising zinc leaching residue flotation recovery silver preparation concentrate grade comprises the following steps:
Step 1), will from zinc hydrometallurgy, leach the acidleach underflow coming in workshop and be delivered to the concentrator 1 in silver-colored flotation workshop, by 1 pair of concentrator from zinc hydrometallurgy leach the acidleach underflow coming in workshop carry out dense, output flotation raw ore;
Step 2), flotation raw ore is delivered to the high-order dashpot 2 of raw ore continuously and stably through delivery pump, to guarantee to enter into the flotation raw ore steady and continuous of roughly selecting flotation device, be beneficial to flotation;
In step 3), the high-order dashpot 2 of raw ore, flotation raw ore flows automatically to raw ore medicament mix and blend groove 3;
Step 4), in raw ore medicament mix and blend groove 3, add floating agent, fully stir, floating agent is active carbon, black powder, Z-200 or xanthate, four kinds of medicaments of 2# oil; The addition of active carbon, black powder, Z-200 or xanthate, 2# oil adds active carbon amount for processing flotation raw ore per ton is 3000g/t, and butyl ammonium aerofloat is 900g/t, and Z-200 is that 150g/t or xanthate are 900g/t, and 2# oil is 150g/t; Be 10 ~ 15 minutes the action time of raw ore medicament mix and blend groove Chinese medicine and raw ore, floating agent and flotation raw ore are fully acted on, before and after stirring, pH value and flotation raw ore concentration are constant, and in raw ore medicament mix and blend groove, pulp PH value is 3.5 ~ 4.5, and flotation raw ore concentration is 25% ~ 35%;
Raw ore in step 5), raw ore medicament mix and blend groove 3 after stirring action flows automatically to be roughly selected in flotation device 4, and after roughly selecting flotation device 4 flotation, the concentrate foam stream of flotation is to selected Ι 6, and the mine tailing flow of slurry of flotation is to scanning in Ι 5;
The concentrate foam of the flotation obtaining in step 6), step 5) enters selected Ι 6 and carries out flotation, in selected Ι 6, add butyl ammonium aerofloat and 2# oil, the addition of butyl ammonium aerofloat and 2# oil is 75g/t for processing flotation raw ore per ton adds butyl ammonium aerofloat, 2# oil is 150g/t, then carry out after flotation, flotation finishes the concentrate foam stream of rear flotation to selected п 8, and the mine tailing flow of slurry of flotation is to roughly selecting flotation device 4;
The concentrate foam of the flotation obtaining in step 7), step 6) enters selected smart п 8 and carries out flotation, in selected п 8, add butyl ammonium aerofloat, the addition of butyl ammonium aerofloat is 27g/t for processing dry slag per ton need add butyl ammonium aerofloat, then carry out flotation, after flotation, the concentrate foam stream of flotation is to selected ш 10, and the mine tailing flow of slurry of flotation is to selected Ι 6;
The concentrate foam of the flotation obtaining in step 8), step 7) enters selected ш 10 and carries out flotation, liquid level in floatation process in selected ш 10 will be sought to stable, by regulating the liquid level valve of flotation device, in order to adjust the foam volume scraping, the foam scraping is pure foam, can not carry slurries; After flotation, the concentrate foam of flotation is silver preparation concentrate after filter press 12 press filtrations, and the mine tailing flow of slurry of flotation is to selected п 8;
In step 9), step 1) to the mine tailing flow of slurry of flotation enter and scan Ι 5 and carry out flotation, to scanning, in Ι 5, add butyl ammonium aerofloat and 2# oil, the addition of butyl ammonium aerofloat and 2# oil is 360g/t for processing dry slag per ton need add butyl ammonium aerofloat, and 2# oil is 150g/t; After flotation, the concentrate foam stream of flotation is to roughly selecting flotation device 4, and the mine tailing flow of slurry of flotation is to scanning п 7;
When the mine tailing flow of slurry of the flotation obtaining in step 10), step 9) enters and scans п 7 and carry out flotation, to scanning, need to add butyl ammonium aerofloat in п 7, in order to process dry slag per ton, need to add butyl ammonium aerofloat be 27g/t to the addition of butyl ammonium aerofloat; After flotation finishes, the concentrate foam stream of flotation is to scanning Ι 5, and the mine tailing flow of slurry of flotation is to scanning ш 9;
When the mine tailing flow of slurry of the flotation obtaining in step 11), step 10) enters and scans ш 9 and carry out flotation, to scanning in ш 9, need to add medicament, adding medicament is butyl ammonium aerofloat, and in order to process dry slag per ton, need to add butyl ammonium aerofloat be 18g/t to the addition of butyl ammonium aerofloat; After flotation finishes, the concentrate foam stream of flotation is to scanning п 7, and the mine tailing ore pulp of flotation is mine tailings after filter press 11 press filtrations.
Claims (9)
1. improve the method that silver preparation concentrate grade is reclaimed in zinc leaching residue flotation, it is characterized in that: the method that improves zinc leaching residue flotation recovery silver preparation concentrate grade comprises the following steps:
Step 1), will from zinc hydrometallurgy, leach the acidleach underflow coming in workshop and be delivered to the concentrator in silver-colored flotation workshop, by concentrator to from zinc hydrometallurgy, leach the acidleach underflow coming in workshop carry out dense, output flotation raw ore;
Step 2), flotation raw ore is delivered to the high-order dashpot of raw ore continuously and stably through delivery pump, to guarantee to enter into the flotation raw ore steady and continuous of roughly selecting flotation device, be beneficial to flotation;
In step 3), the high-order dashpot of raw ore, flotation raw ore flows automatically to raw ore medicament mix and blend groove;
Step 4), in raw ore medicament mix and blend groove, add floating agent, fully stir, increase the action time of floating agent and flotation raw ore, floating agent and flotation raw ore are fully acted on;
Raw ore in step 5), raw ore medicament mix and blend groove after stirring action flows automatically to be roughly selected in flotation device, and after roughly selecting flotation device flotation, the concentrate foam stream of flotation is to selected Ι, and the mine tailing flow of slurry of flotation is to scanning in Ι;
The concentrate foam of the flotation obtaining in step 6), step 5) is after selected Ι flotation, and the concentrate foam stream of flotation is to selected п, and the mine tailing flow of slurry of flotation is to roughly selecting flotation device;
The concentrate foam of the flotation obtaining in step 7), step 6) is after selected п flotation, and the concentrate foam stream of flotation is to selected ш, and the mine tailing flow of slurry of flotation is to selected Ι;
The concentrate foam of the flotation obtaining in step 8), step 7) is after selected ш flotation, and the concentrate foam of flotation is silver preparation concentrate after filter press press filtration, and the mine tailing flow of slurry of flotation is to selected п;
In step 9), step 1) to the mine tailing flow of slurry of flotation after scanning Ι flotation, the concentrate foam stream of flotation is to roughly selecting flotation device, the mine tailing flow of slurry of flotation is to scanning п;
The mine tailing flow of slurry of the flotation obtaining in step 10), step 9) is after scanning п flotation, and the concentrate foam stream of flotation is to scanning Ι, and the mine tailing flow of slurry of flotation is to scanning ш;
The mine tailing flow of slurry of the flotation obtaining in step 11), step 10) is after scanning ш flotation, and the concentrate foam stream of flotation is to scanning п, and the mine tailing ore pulp of flotation is mine tailings after filter press press filtration.
2. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 4), the medicament adding in raw ore medicament mix and blend groove is active carbon, black powder, Z-200 or xanthate, four kinds of medicaments of 2# oil; The addition of active carbon, black powder, Z-200 or xanthate, 2# oil adds active carbon amount for processing flotation raw ore per ton is 3000g/t, and butyl ammonium aerofloat is 900g/t, and Z-200 is that 150g/t or xanthate are 900g/t, and 2# oil is 150g/t; Be 10 ~ 15 minutes the action time of raw ore medicament mix and blend groove Chinese medicine and raw ore.
3. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 4), before and after stirring, pH value and flotation raw ore concentration are constant, and in raw ore medicament mix and blend groove, pulp PH value is 3.5 ~ 4.5, and flotation raw ore concentration is 25% ~ 35%.
4. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 6), in selected Ι, need to add medicament, adding medicament is butyl ammonium aerofloat and 2# oil, the addition of butyl ammonium aerofloat and 2# oil is 75g/t for processing flotation raw ore per ton adds butyl ammonium aerofloat, and 2# oil is 150g/t.
5. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 7), in selected п, need to add medicament, adding medicament is butyl ammonium aerofloat, and the addition of butyl ammonium aerofloat is 27g/t for processing dry slag per ton need add butyl ammonium aerofloat.
6. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 8), the liquid level of selected ш will be sought to stable, by regulating the liquid level valve of flotation device, in order to adjust the foam volume scraping, the foam scraping is pure foam, can not carry slurries.
7. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 9), in scanning Ι, need to add medicament, adding medicament is butyl ammonium aerofloat and 2# oil, the addition of butyl ammonium aerofloat and 2# oil is 360g/t for processing dry slag per ton need add butyl ammonium aerofloat, and 2# oil is 150g/t.
8. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 10), in scanning п, need to add medicament, adding medicament is butyl ammonium aerofloat, and the addition of butyl ammonium aerofloat is 27g/t for processing dry slag per ton need add butyl ammonium aerofloat.
9. the method for silver preparation concentrate grade is reclaimed in raising zinc leaching residue flotation according to claim 1, it is characterized in that: in described step 11), in scanning ш, need to add medicament, adding medicament is butyl ammonium aerofloat, and the addition of butyl ammonium aerofloat is 18g/t for processing dry slag per ton need add butyl ammonium aerofloat.
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| CN201410013689.1A CN103736595B (en) | 2013-12-30 | 2014-01-13 | Improve the method that silver preparation concentrate grade is reclaimed in zinc leaching residue flotation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478244A (en) * | 2015-12-31 | 2016-04-13 | 郴州丰越环保科技有限公司 | Efficient silver flotation method |
| CN105536981A (en) * | 2015-12-14 | 2016-05-04 | 灵宝金源晨光有色矿冶有限公司 | Process for recovering gold, silver and sulfur from castaway slag |
| CN109734057A (en) * | 2019-01-02 | 2019-05-10 | 长沙有色冶金设计研究院有限公司 | A kind of method of zinc oxygen leaching slag Recovered sulphur and silver |
| CN110743900A (en) * | 2019-10-29 | 2020-02-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Novel method for recovering carbon, copper and silver in zinc kiln slag |
| CN111719050A (en) * | 2020-07-07 | 2020-09-29 | 昆明理工大学 | Method for comprehensively recovering water-soluble zinc and silver in zinc leaching residues |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731114A (en) * | 1985-02-13 | 1988-03-15 | Amax Inc. | Recovery of precious metals from refractory low-grade ores |
| CN102225372A (en) * | 2011-05-05 | 2011-10-26 | 赤峰中色库博红烨锌业有限公司 | Flotation method for separating silver from high leaching residues |
| CN102614991A (en) * | 2012-03-19 | 2012-08-01 | 赤峰中色锌业有限公司 | Flotation process for recovering silver from high-immersion slag by middling recleaning method |
| CN202921427U (en) * | 2012-09-28 | 2013-05-08 | 湖南水口山有色金属集团有限公司 | Flotation recycling gold and sliver device from zinc smelting acid leaching dregs |
| CN103215456A (en) * | 2013-04-28 | 2013-07-24 | 湖南水口山有色金属集团有限公司 | Method for improving silver recovery rate of silver concentrate by improving separation concentration |
| CN103272703A (en) * | 2013-06-28 | 2013-09-04 | 葫芦岛锌业股份有限公司 | Method for conducting roughing on silver in electrolytic zinc leaching residue by utilizing vertical flotation machine |
-
2014
- 2014-01-13 CN CN201410013689.1A patent/CN103736595B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731114A (en) * | 1985-02-13 | 1988-03-15 | Amax Inc. | Recovery of precious metals from refractory low-grade ores |
| CN102225372A (en) * | 2011-05-05 | 2011-10-26 | 赤峰中色库博红烨锌业有限公司 | Flotation method for separating silver from high leaching residues |
| CN102614991A (en) * | 2012-03-19 | 2012-08-01 | 赤峰中色锌业有限公司 | Flotation process for recovering silver from high-immersion slag by middling recleaning method |
| CN202921427U (en) * | 2012-09-28 | 2013-05-08 | 湖南水口山有色金属集团有限公司 | Flotation recycling gold and sliver device from zinc smelting acid leaching dregs |
| CN103215456A (en) * | 2013-04-28 | 2013-07-24 | 湖南水口山有色金属集团有限公司 | Method for improving silver recovery rate of silver concentrate by improving separation concentration |
| CN103272703A (en) * | 2013-06-28 | 2013-09-04 | 葫芦岛锌业股份有限公司 | Method for conducting roughing on silver in electrolytic zinc leaching residue by utilizing vertical flotation machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536981A (en) * | 2015-12-14 | 2016-05-04 | 灵宝金源晨光有色矿冶有限公司 | Process for recovering gold, silver and sulfur from castaway slag |
| CN105536981B (en) * | 2015-12-14 | 2019-01-22 | 灵宝金源晨光有色矿冶有限公司 | A kind of technique recycling gold, silver, sulphur from castaway slag |
| CN105478244A (en) * | 2015-12-31 | 2016-04-13 | 郴州丰越环保科技有限公司 | Efficient silver flotation method |
| CN109734057A (en) * | 2019-01-02 | 2019-05-10 | 长沙有色冶金设计研究院有限公司 | A kind of method of zinc oxygen leaching slag Recovered sulphur and silver |
| CN110743900A (en) * | 2019-10-29 | 2020-02-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Novel method for recovering carbon, copper and silver in zinc kiln slag |
| CN111719050A (en) * | 2020-07-07 | 2020-09-29 | 昆明理工大学 | Method for comprehensively recovering water-soluble zinc and silver in zinc leaching residues |
| CN111719050B (en) * | 2020-07-07 | 2021-11-05 | 昆明理工大学 | Method for comprehensively recovering water-soluble zinc and silver in zinc leaching residues |
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