CN110665645A - Efficient flotation reagent for sorting fine-fraction sphalerite and preparation method and application thereof - Google Patents
Efficient flotation reagent for sorting fine-fraction sphalerite and preparation method and application thereof Download PDFInfo
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- CN110665645A CN110665645A CN201910973362.1A CN201910973362A CN110665645A CN 110665645 A CN110665645 A CN 110665645A CN 201910973362 A CN201910973362 A CN 201910973362A CN 110665645 A CN110665645 A CN 110665645A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
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Abstract
The invention discloses a high-efficiency flotation agent for sorting fine-fraction zinc blende and a preparation method and application thereof. The efficient flotation reagent for sorting the fine-fraction zinc blende consists of a sodium ethyl xanthate solution, a sodium butyl xanthate solution, a sodium amyl xanthate solution and a ammonium dibutyl dithiophosphate solution. The preparation method is that all raw materials in the formula proportion are mixed evenly to obtain the high-efficiency flotation agent for sorting the target fine-grained zinc blende. The application is the application of the high-efficiency flotation agent for sorting the fine-fraction sphalerite in the separation process of the complex sulfide ore. The prepared reagent is directly added to be used for roughing operation in the zinc blende flotation operation. The method and the collecting agent have obvious technical index advantages, economic benefit advantages and environmental advantages when used in the flotation process.
Description
Technical Field
The invention belongs to the technical field of nonferrous metals, and particularly relates to a high-efficiency flotation reagent for sorting fine-grained zinc blende, and a preparation method and application thereof.
Background
The separation of complex sulfide ore is a great problem of the flotation process of nonferrous metal in China, along with the depletion of resources, the dosage of the medicament consumed by poor, fine, miscellaneous and difficultly selected ore is continuously increased, but the flotation index is not obviously improved. Xanthate is always used as a collector of sphalerite in China, and although a good effect can be obtained to a certain extent, the xanthate selectivity is slightly insufficient for micro-fine sphalerite. The development of a new medicament mainly aims at the problem that xanthate has a good collecting effect and is weak in selectivity. In the face of increasingly complex properties of selected raw ores, flotation agents for sorting fine-grained sphalerite are lacked in China, and in order to solve the problem, development of efficient flotation agents for sorting fine-grained sphalerite is urgently needed.
Disclosure of Invention
The first purpose of the invention is to provide a high-efficiency flotation agent for sorting fine-fraction zinc blende; the second purpose is to provide a preparation method of the high-efficiency flotation agent for sorting the fine-fraction sphalerite; the third purpose is to provide the application of the high-efficiency flotation agent for sorting the fine-fraction sphalerite.
The first purpose of the invention is realized by that the high-efficiency flotation agent for the fine-fraction zinc blende separation consists of a sodium ethyl xanthate solution, a sodium butyl xanthate solution, a sodium amyl xanthate solution and a ammonium dibutyl dithiophosphate solution.
The second purpose of the invention is realized by uniformly mixing the raw materials in the formula ratio to obtain the high-efficiency flotation agent for sorting the target fine-fraction sphalerite.
The third purpose of the invention is realized by the application of the high-efficiency flotation agent for the fine-fraction sphalerite separation in the complex sulfide ore separation process.
The use method of the high-efficiency flotation agent for sorting the fine-fraction sphalerite is to directly add the agent for roughing operation in the sphalerite flotation operation.
The invention aims to solve the problems of large medicine consumption and poor sorting effect of fine-grained zinc blende, and provides a zinc blende flotation agent which is high in efficiency (the zinc recovery rate is improved by 1-3%), low in dosage (only 1/3 of conventional agents) and obvious in sorting effect of fine-grained zinc blende.
The efficient flotation agent for sorting the fine-grained sphalerite can reduce the metal loss of the sphalerite in tailings, improve the recovery rate of the sphalerite, has low agent consumption, is convenient to prepare and simple to use, only needs to simply mix the two agents according to a certain proportion, is used for sorting the sphalerite, can obviously recycle the fine-grained (minus 500 meshes) sphalerite, and improves the recovery rate of zinc metal. The new agent of the invention has obvious technical index advantages, economic effect and environmental benefit when being used in the flotation process.
Drawings
FIG. 1 is a schematic diagram of the experimental process and conditions of conventional pharmaceutical agents on the market;
FIG. 2 is a schematic diagram of the experimental process and conditions of the pharmaceutical composition of the present invention.
Detailed Description
The present invention is further illustrated by the following examples and the accompanying drawings, but the present invention is not limited thereto in any way, and any modifications or alterations based on the teaching of the present invention are within the scope of the present invention.
The high-efficiency flotation reagent for sorting the fine-fraction zinc blende consists of a sodium ethyl xanthate solution, a sodium butyl xanthate solution, a sodium amyl xanthate solution and a ammonium dibutyl dithiophosphate solution.
The mass ratio of the sodium ethyl xanthate solution to the sodium butyl xanthate solution to the sodium amyl xanthate solution to the ammonium dibutyl dithiophosphate solution is (1 ~ 3): (1 ~ 3): (1 ~ 3): 1 ~ 3).
The mass ratio of the ethyl sodium xanthate solution to the butyl sodium xanthate solution to the amyl sodium xanthate solution to the dibutyl ammonium dithiophosphate solution is 1: 1: 1: 1.
The mass percentage concentration of the sodium ethyl xanthate solution is 8 ~ 10%.
The mass percentage concentration of the sodium butyl xanthate solution is 8 ~ 10%.
The mass percentage concentration of the sodium amyl xanthate solution is 8 ~ 10%.
The mass percentage concentration of the ammonium dibutyldithiophosphate solution is 1 ~ 1.5.5%.
The preparation method of the high-efficiency flotation agent for sorting the fine-grained sphalerite uniformly mixes the raw materials in the formula ratio to obtain the high-efficiency flotation agent for sorting the fine-grained sphalerite of the target.
The application of the high-efficiency flotation agent for sorting the fine-fraction sphalerite is the application of the high-efficiency flotation agent for sorting the fine-fraction sphalerite in a complex sulfide ore separation process.
The invention is further illustrated by the following specific examples:
the invention provides a flotation reagent for improving the flotation index of sphalerite and a preparation method thereof, and the flotation reagent comprises, by weight, 8-10% of 1 ~ 3 parts of sodium ethyl xanthate, 8-10% of 1 ~ 3 parts of sodium butyl xanthate, 8-10% of 1 ~ 3 parts of sodium amyl xanthate and 1-1.5% of 1 ~ 3 parts of ammonium dibutyldithiophosphate.
The preparation method of the medicament comprises the steps of preparing the 4 raw materials into corresponding concentrations according to the formula contents, and mixing the raw materials according to a certain proportion.
The use method of the reagent is the solution prepared in the above way, and the prepared reagent is directly added for the roughing operation in the zinc blende flotation operation.
The formulations were prepared according to the formulation method in the above table, wherein: 1 part of sodium ethyl xanthate; 1 part of sodium butyl xanthate; 1 part of sodium amyl xanthate; 1 part of ammonium dibutyldithiophosphate. The 4 raw materials are prepared into corresponding concentrations and mixed according to the proportion.
The using method of the reagent is the solution prepared in the mode, the prepared reagent is directly added into the zinc blende roughing operation, the collecting effect of the zinc blende is achieved in the flotation process, the flotation reagent is efficient (the recovery rate of the zinc blende is improved by 1% -3%), the using amount is small (only 1/3% of the conventional reagent), and the sorting effect of the zinc blende on fine-grained zinc blende is particularly obvious.
Examples 1 to 4
In the embodiments 1 to 4, tailings after lead and sulfur mixed separation enter a zinc separation process, and the grades of zinc blende are different.
The process flows and conditions of examples 1-4 using the collectors of the invention and conventional reagents are shown in fig. 1 and 2, respectively, and the results of examples 1-4 are compared in table 1. Compared with the conventional medicament conditions, the recovery rates of the sphalerite are respectively improved by 2.57%, 1.49%, 2.31% and 2.21% in the condition test of the novel medicament, the flotation index of the sphalerite can be obviously improved by the novel medicament, and the dosage of the medicament is small.
Table 1 examples 1-4 flotation indices
Example 5 ~ 8
In the examples 5 to 8, the lead-sulfur mixed tailings with different fineness (i.e. different content less than 0.025 mm) are used as the raw ore to be selected in the condition test of the new chemical agent, and the process flow is the same as above. The results of comparison of examples 5-8 using collectors of the invention with conventional reagents are shown in table 2. Compared with the conventional medicament conditions, the recovery rates of the sphalerite are respectively improved by 1.15%, 2.71%, 2.69% and 2.80% in the condition test of the novel medicament, the flotation index of the fine-fraction sphalerite can be improved by the novel medicament, and the dosage of the medicament is small.
Table 2 examples 5-8 flotation indices
In the embodiments 1 to 8, the raw ore grades of different selected raw ores and the grain size compositions of different selected raw ores are respectively adopted to carry out ore dressing comparison, in the ore dressing process, a new medicament is used as a collector of zinc blende, and the zinc tail separation operation is carried out, so that the grade requirement of zinc concentrate can be met only by adopting one-time rough dressing.
When the new medicament is applied to production practice, the recovery rate of the sphalerite can reach 93.69%, compared with the conventional medicament, the recovery rate of zinc is improved by 1.85%, the dosage of the medicament is reduced to 280g/t from 850g/t, and the medicament is saved by 570 g/t.
Claims (9)
1. The efficient flotation reagent for sorting the fine-grained zinc blende is characterized by consisting of a sodium ethyl xanthate solution, a sodium butyl xanthate solution, a sodium amyl xanthate solution and a dibutyl ammonium dithiophosphate solution.
2. The high-efficiency flotation reagent for sorting fine fraction zinc blende according to claim 1, wherein the mass ratio of the sodium ethyl xanthate solution, the sodium butyl xanthate solution, the sodium amyl xanthate solution and the ammonium dibutyl dithiophosphate solution is (1 ~ 3): (1 ~ 3): (1 ~ 3): 1 ~ 3).
3. The high-efficiency flotation reagent for sorting fine-grade zinc blende according to claim 1, wherein the mass ratio of the sodium ethyl xanthate solution, the sodium butyl xanthate solution, the sodium amyl xanthate solution and the ammonium dibutyl dithiophosphate solution is 1: 1: 1: 1.
4. A high efficiency flotation reagent for the classification of fine fraction zinc blende according to claim 1 ~ 3, wherein the concentration of said sodium ethylxanthate solution is 8 ~ 10% by weight.
5. A high efficiency flotation reagent for the classification of fine fraction sphalerite according to claim 1 ~ 3, wherein the concentration of the sodium butylxanthate solution is 8 ~ 10% by weight.
6. A high efficiency flotation reagent for the classification of fine fraction sphalerite according to claim 1 ~ 3, wherein the concentration of the sodium amyl xanthate solution is 8 ~ 10% by weight.
7. The high efficiency flotation reagent for fine fraction zinc blende separation according to claim 1 ~ 3, wherein the concentration of ammonium dibutyldithiophosphate solution is 1 ~ 1.5.5% by mass.
8. A preparation method of the high-efficiency flotation reagent for fine fraction sphalerite separation according to claim 1 ~ 7 is characterized in that raw materials in the formula ratio are uniformly mixed to obtain the high-efficiency flotation reagent for fine fraction sphalerite separation of a target object.
9. The use of the fine fraction sphalerite beneficiation robust flotation reagent of claim 1 ~ 7, wherein the fine fraction sphalerite beneficiation robust flotation reagent is used in complex sulfide ore separation processes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910973362.1A CN110665645A (en) | 2019-10-14 | 2019-10-14 | Efficient flotation reagent for sorting fine-fraction sphalerite and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298984A (en) * | 2020-03-27 | 2020-06-19 | 云南铁峰矿业化工新技术有限公司 | Collecting agent |
| CN115090424A (en) * | 2022-01-13 | 2022-09-23 | 昆明理工大学 | Preparation method and application of germanium-carrying sphalerite flotation targeting activation reagent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1817468A (en) * | 2006-03-13 | 2006-08-16 | 昆明理工大学 | Coal-dressing activator of ferrous blende and blende |
| WO2008019451A1 (en) * | 2006-08-17 | 2008-02-21 | Ab Tall (Holdings) Pty Ltd | Collectors and flotation methods |
| CN103945948A (en) * | 2011-10-18 | 2014-07-23 | 塞特克技术公司 | Froth flotation processes |
| CN106733211A (en) * | 2017-01-22 | 2017-05-31 | 彝良驰宏矿业有限公司 | A kind of floating agent for improving Sphalerite flotation index |
| CN106799309A (en) * | 2017-01-22 | 2017-06-06 | 彝良驰宏矿业有限公司 | A kind of method for floating of high efficiency zincblende |
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2019
- 2019-10-14 CN CN201910973362.1A patent/CN110665645A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1817468A (en) * | 2006-03-13 | 2006-08-16 | 昆明理工大学 | Coal-dressing activator of ferrous blende and blende |
| WO2008019451A1 (en) * | 2006-08-17 | 2008-02-21 | Ab Tall (Holdings) Pty Ltd | Collectors and flotation methods |
| CN103945948A (en) * | 2011-10-18 | 2014-07-23 | 塞特克技术公司 | Froth flotation processes |
| CN106733211A (en) * | 2017-01-22 | 2017-05-31 | 彝良驰宏矿业有限公司 | A kind of floating agent for improving Sphalerite flotation index |
| CN106799309A (en) * | 2017-01-22 | 2017-06-06 | 彝良驰宏矿业有限公司 | A kind of method for floating of high efficiency zincblende |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298984A (en) * | 2020-03-27 | 2020-06-19 | 云南铁峰矿业化工新技术有限公司 | Collecting agent |
| CN115090424A (en) * | 2022-01-13 | 2022-09-23 | 昆明理工大学 | Preparation method and application of germanium-carrying sphalerite flotation targeting activation reagent |
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