CN103990551A - Preparation method of zinc sulfide mineral flotation separation inhibitor and application thereof - Google Patents
Preparation method of zinc sulfide mineral flotation separation inhibitor and application thereof Download PDFInfo
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- CN103990551A CN103990551A CN201410234326.0A CN201410234326A CN103990551A CN 103990551 A CN103990551 A CN 103990551A CN 201410234326 A CN201410234326 A CN 201410234326A CN 103990551 A CN103990551 A CN 103990551A
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Abstract
The invention discloses a preparation method of a zinc sulfide mineral flotation separation inhibitor and the application of the preparation method. The zinc sulfide mineral flotation separation inhibitor is prepared by mixing and crushing pinecones, pine needles and pine barks in proportion, heating and cooking the mixture with sodium sulfide at 60-80 DEG C, then extracting, concentrating and distilling. By the adoption of the preparation method and application of the zinc sulfide mineral flotation separation inhibitor, flotation separation can be carried out on low-zinc and high-sulfide minerals, under the condition that the zinc grade of the fed minerals is 3.14-4.66%, through one time of rougher flotation, two times of scavenging and three times of fine flotation, the zinc grade of flotation concentrate minerals can reach 45.38-46.54%, and the recovery rate can reach 85.70-87.94%. The inhibitor is good in water solubility, few inhibitors are used, and no toxicity or pollution exists.
Description
Technical field
The invention belongs to zinc flotation of sulfur minerals separation technology field, particularly a kind of zinc flotation of sulfur minerals separates preparation method and the application thereof of inhibitor.
Background technology
In the separation process of zinc flotation of sulfur minerals, the general inhibitor that adds large quantities of lime and do sulfur mineral that adopts, then adds copper sulphate and make the activator of zinc mineral, then the collecting agent that adopts xanthate to make zinc mineral carrys out collecting zinc mineral; But, in the time adopting large quantities of lime to make the inhibitor of sulfur mineral, because lime has flocculation, in suppressing sulfur mineral, also by the flocculation of part zinc sulfur mineral, virtually strengthen sulphide ore separating difficulty, affect the zinc mineral rate of recovery and zinc concentrate grade; In addition, because lime adds in a large number, not only easy blocking pipe, has also caused the waste of a large amount of medicaments, has increased beneficiation cost, has caused unnecessary financial burden to enterprise.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of zinc flotation of sulfur minerals to separate preparation method and the application thereof of inhibitor, only need add and under a small amount of lime condition, just can realize the separation of zinc flotation of sulfur minerals.
To achieve these goals, the technical solution used in the present invention is:
Zinc flotation of sulfur minerals separates preparation method and an application thereof for inhibitor, comprises the steps:
Step 1, to cross 100 mesh sieves after the pinecone, pine needle, pine bark co-grinding, obtains mixture A;
Step 2, mixes mixture A and is configured to mixed liquor with vulcanized sodium;
Step 3, leaves standstill mixed liquor, the boiling of heating, and gained material divides and obtains flour through extraction, concentrated, distilled water again, and zinc flotation of sulfur minerals separates inhibitor.
Mass percent >=50% of the pinecone in the described pinecone, pine needle, pine bark mixture, mass percent >=10% of pine needle, surplus is pine bark.
3, zinc flotation of sulfur minerals according to claim 1 separates the preparation method of inhibitor, it is characterized in that, the mass ratio of described mixture A and vulcanized sodium is 1:1～3.
The mixed liquor mass concentration that described mixture A and vulcanized sodium are hybridly prepared into is 25～35%.
Described mixed liquor leaves standstill 8～10 hours, and boiling temperature is controlled at 60～80 degrees Celsius.
Preparing the application of gained zinc flotation of sulfur minerals separation inhibitor in zinc flotation of sulfur minerals separates comprises the steps:
After ore is milled to mineral monomer and dissociates, adopting lime to adjust slurry pH is 10～11, adds described inhibitor, and then add activator, collecting agent and foaming agent according to the standard of 200～300g/t.
When use, inhibitor is mixed with to the aqueous solution that concentration is mass concentration 1～2%, and then joins in ore pulp.
Compared with prior art, the invention has the beneficial effects as follows:
1, adopt the present invention to have good inhibitory action to sulfur mineral, make zinc mineral obtain the good rate of recovery and concentrate grade.Be under 3.14～4.66% conditions giving ore deposit zinc grade, scan for twice and triple cleaning through one roughing, flotation concentrate zinc grade can reach 45.38～46.54%, and the rate of recovery reaches 85.70～87.94%.
2, medicament stock wide material sources of the present invention, cheap, prepared medicament good water solubility, consumption are few, nontoxic pollution-free.
Detailed description of the invention
Describe embodiments of the present invention in detail below in conjunction with embodiment.
Preparation Example 1
The present embodiment is the preparation method that a kind of zinc flotation of sulfur minerals separates inhibitor, comprises the steps:
The pinecone, pine needle, pine bark are mixed after (wherein the mass percent of the pinecone is 50%, and pine needle is 10%) pulverizes and cross 100 mesh sieves, obtain mixture A; ; By mixture A and vulcanized sodium by mass percentage 1:1 after mixing, to be mixed with percentage concentration be 25% mixed liquor again, mixed liquor was left standstill after 8 hours, after the boiling of heating under 60 degrees celsius gained material extract again, concentrate, distill moisture gained to flour be the inhibitor of zinc flotation of sulfur minerals separation.
Preparation Example 2
The present embodiment is the preparation method that another kind of zinc flotation of sulfur minerals separates inhibitor, comprises the steps:
The pinecone, pine needle, pine bark are mixed after (wherein the mass percent of the pinecone is 80%, and pine needle is 10%) pulverizes and cross 100 mesh sieves, obtain mixture A; ; By mixture A and vulcanized sodium by mass percentage 1:3 after mixing, to be mixed with percentage concentration be 35% mixed liquor again, mixed liquor was left standstill after 10 hours, after the boiling of heating under 80 degrees celsius gained material extract again, concentrate, distill moisture gained to flour be the inhibitor of zinc flotation of sulfur minerals separation.
Preparation Example 3
The present embodiment is the preparation method that another kind of zinc flotation of sulfur minerals separates inhibitor, comprises the steps:
The pinecone, pine needle, pine bark are mixed after (wherein the mass percent of the pinecone is 70%, and pine needle is 25%) pulverizes and cross 100 mesh sieves, obtain mixture A; ; By mixture A and vulcanized sodium by mass percentage 1:2 after mixing, to be mixed with percentage concentration be 30% mixed liquor again, mixed liquor was left standstill after 9 hours, after the boiling of heating under 80 degrees celsius gained material extract again, concentrate, distill moisture gained to flour be the inhibitor of zinc flotation of sulfur minerals separation.
Preparation Example 4
The present embodiment is the preparation method that another kind of zinc flotation of sulfur minerals separates inhibitor, comprises the steps:
The pinecone, pine needle, pine bark are mixed after (wherein the mass percent of the pinecone is 60%, and pine needle is 20%) pulverizes and cross 100 mesh sieves, obtain mixture A; ; By mixture A and vulcanized sodium by mass percentage 1:2 after mixing, to be mixed with percentage concentration be 30% mixed liquor again, mixed liquor was left standstill after 9 hours, after the boiling of heating under 80 degrees celsius gained material extract again, concentrate, distill moisture gained to flour be the inhibitor of zinc flotation of sulfur minerals separation.
Preparation Example 5
The present embodiment is the preparation method that another kind of zinc flotation of sulfur minerals separates inhibitor, comprises the steps:
The pinecone, pine needle, pine bark are mixed after (wherein the mass percent of the pinecone is 50%, and pine needle is 40%) pulverizes and cross 100 mesh sieves, obtain mixture A; ; By mixture A and vulcanized sodium by mass percentage 1:2 after mixing, to be mixed with percentage concentration be 30% mixed liquor again, mixed liquor was left standstill after 9 hours, after the boiling of heating under 80 degrees celsius gained material extract again, concentrate, distill moisture gained to flour be the inhibitor of zinc flotation of sulfur minerals separation.
Application Example 1
The present embodiment is to adopt inhibitor of the present invention to be applied to the example that zinc flotation of sulfur minerals separates.
(1) raw mineral materials:
In raw ore, zinc content is 3.14%, and sulfur content is 24.67%, and zinc mainly exists with zincblende form, and sulphur mainly exists with pyrite and a small amount of magnetic iron ore form; Gangue mineral mainly exists with carbonate, silicate and a small amount of aluminum-containing mineral.
(2) floating agent and operating condition:
In floatation process, after ore is milled to mineral monomer and dissociates, adopting lime to adjust slurry pH is 10～11, adds described inhibitor 200g/t, and then adds copper sulphate 150g/t and make zinc mineral activator, finally add that butyl xanthate 250g/t makes zinc mineral collecting agent and terpenic oil 100g/t makes foaming agent.Result shows to adopt above technique and the medicament condition can be effectively by low zinc high-sulfur FLOTATION SEPARATION, be under 3.14% condition giving ore deposit zinc grade, scan for twice and triple cleaning through one roughing, flotation concentrate zinc grade can reach 45.38%, and the rate of recovery reaches 85.70%.
Application Example 2
The present embodiment is to adopt inhibitor of the present invention to be applied to another example that zinc flotation of sulfur minerals separates.
(1) raw mineral materials:
In raw ore, zinc content is 4.66%, and sulfur content is 27.03%, and zinc mainly exists with zincblende form, and sulphur mainly exists with pyrite and a small amount of magnetic iron ore form; Gangue mineral mainly exists with carbonate, silicate and a small amount of aluminum-containing mineral.
(2) floating agent and operating condition:
In floatation process, after ore is milled to mineral monomer and dissociates, adopting lime to adjust slurry pH is 10～11, adds described inhibitor 300g/t, and then add copper sulphate 180g/t and make zinc mineral activator, finally add that butyl xanthate 300g/t makes zinc mineral collecting agent and terpenic oil 120g/t makes foaming agent.Result shows that the present invention can, effectively by low zinc high-sulfur FLOTATION SEPARATION, be under 4.66% condition giving ore deposit zinc grade, scans for twice and triple cleaning through one roughing, and flotation concentrate zinc grade can reach 46.54%, and the rate of recovery reaches 87.94%.
Claims (8)
1. zinc flotation of sulfur minerals separates preparation method and an application thereof for inhibitor, it is characterized in that, comprises the steps:
Step 1, to cross 100 mesh sieves after the pinecone, pine needle, pine bark co-grinding, obtains mixture A;
Step 2, mixes mixture A and is configured to mixed liquor with vulcanized sodium;
Step 3, leaves standstill mixed liquor, the boiling of heating, and gained material divides and obtains flour through extraction, concentrated, distilled water again, and zinc flotation of sulfur minerals separates inhibitor.
2. zinc flotation of sulfur minerals according to claim 1 separates the preparation method of inhibitor, it is characterized in that, and mass percent >=50% of the pinecone in the described pinecone, pine needle, pine bark mixture, mass percent >=10% of pine needle, surplus is pine bark.
3. zinc flotation of sulfur minerals according to claim 1 separates the preparation method of inhibitor, it is characterized in that, the mass ratio of described mixture A and vulcanized sodium is 1:1～3.
4. zinc flotation of sulfur minerals according to claim 1 separates the preparation method of inhibitor, it is characterized in that, the mixed liquor mass concentration that described mixture A and vulcanized sodium are hybridly prepared into is 25～35%.
5. zinc flotation of sulfur minerals according to claim 1 separates the preparation method of inhibitor, it is characterized in that, mixed liquor leaves standstill 8～10 hours.
6. zinc flotation of sulfur minerals according to claim 1 separates the preparation method of inhibitor, it is characterized in that, boiling temperature is controlled at 60～80 degrees Celsius.
7. claim 1 is prepared the application of gained zinc flotation of sulfur minerals separation inhibitor in zinc flotation of sulfur minerals separates, and it is characterized in that, comprises the steps:
After ore is milled to mineral monomer and dissociates, adopting lime to adjust slurry pH is 10～11, adds described inhibitor, and then add activator, collecting agent and foaming agent according to the standard of 200～300g/t.
8. application according to claim 7, is characterized in that, when use, inhibitor is mixed with to the aqueous solution that concentration is mass concentration 1～2%, and then joins in ore pulp.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226486A (en) * | 2014-09-12 | 2014-12-24 | 广西华锡集团股份有限公司 | Preparing method of clay mineral inhibitors in tailings |
| CN104399594A (en) * | 2014-11-21 | 2015-03-11 | 广西大学 | Preparation method and application of flotation separation inhibitor of zinc-sulfur minerals |
| CN104437881A (en) * | 2014-09-12 | 2015-03-25 | 广西华锡集团股份有限公司 | Marmatite inhibitor preparation method |
| CN104998760A (en) * | 2015-07-31 | 2015-10-28 | 湖南华麒资源环境科技发展有限公司 | Flotation separation agent for ore containing gold, silver, lead, zinc and sulfur and preparation and flotation separation method |
| CN106179770A (en) * | 2016-07-18 | 2016-12-07 | 刘合琼 | A kind of copper sulfide ore beneficiation technique |
| CN109715672A (en) * | 2016-09-19 | 2019-05-03 | 凯米罗总公司 | The method of agglomeration hemicellulose composition, preparation method and the mineral needed for ore enrichment |
| CN112246442A (en) * | 2020-09-17 | 2021-01-22 | 铜陵有色金属集团股份有限公司 | Method for separating copper, zinc and sulfur from deep-sea high-sulfur copper-zinc ore by flotation |
| CN114433347A (en) * | 2022-01-27 | 2022-05-06 | 江苏北矿金属循环利用科技有限公司 | Comprehensive recycling method for valuable components in zinc smelting high-sulfur slag |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226486A (en) * | 2014-09-12 | 2014-12-24 | 广西华锡集团股份有限公司 | Preparing method of clay mineral inhibitors in tailings |
| CN104437881A (en) * | 2014-09-12 | 2015-03-25 | 广西华锡集团股份有限公司 | Marmatite inhibitor preparation method |
| CN104399594A (en) * | 2014-11-21 | 2015-03-11 | 广西大学 | Preparation method and application of flotation separation inhibitor of zinc-sulfur minerals |
| CN104998760A (en) * | 2015-07-31 | 2015-10-28 | 湖南华麒资源环境科技发展有限公司 | Flotation separation agent for ore containing gold, silver, lead, zinc and sulfur and preparation and flotation separation method |
| CN104998760B (en) * | 2015-07-31 | 2017-10-24 | 湖南华麒资源环境科技发展有限公司 | Containing golden Ag-pb-zn sulphur separation by ore floatation medicament and preparation and method for floating |
| CN106179770A (en) * | 2016-07-18 | 2016-12-07 | 刘合琼 | A kind of copper sulfide ore beneficiation technique |
| CN109715672A (en) * | 2016-09-19 | 2019-05-03 | 凯米罗总公司 | The method of agglomeration hemicellulose composition, preparation method and the mineral needed for ore enrichment |
| CN112246442A (en) * | 2020-09-17 | 2021-01-22 | 铜陵有色金属集团股份有限公司 | Method for separating copper, zinc and sulfur from deep-sea high-sulfur copper-zinc ore by flotation |
| CN112246442B (en) * | 2020-09-17 | 2022-04-29 | 铜陵有色金属集团股份有限公司 | Method for separating copper, zinc and sulfur from deep-sea high-sulfur copper-zinc ore by flotation |
| CN114433347A (en) * | 2022-01-27 | 2022-05-06 | 江苏北矿金属循环利用科技有限公司 | Comprehensive recycling method for valuable components in zinc smelting high-sulfur slag |
| CN114433347B (en) * | 2022-01-27 | 2024-03-22 | 江苏北矿金属循环利用科技有限公司 | Comprehensive recycling method for valuable components of zinc smelting high-sulfur slag |
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