CN109759240A - Application of emulsifier in fluorite ore dressing - Google Patents
Application of emulsifier in fluorite ore dressing Download PDFInfo
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- CN109759240A CN109759240A CN201811506548.8A CN201811506548A CN109759240A CN 109759240 A CN109759240 A CN 109759240A CN 201811506548 A CN201811506548 A CN 201811506548A CN 109759240 A CN109759240 A CN 109759240A
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- emulsifier
- collecting agent
- application
- oleic acid
- flotation
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Abstract
The invention relates to the field of fluorite beneficiation, and particularly relates to application of an emulsifier in fluorite beneficiation. Specifically, the emulsifier is selected from one or more of sodium fatty acid methyl ester sulfonate, lignosulfonate, sodium linear alkylbenzene sulfonate and sodium lauryl sulfate, and the collector is oleic acid. The emulsifier is adopted to emulsify the collecting agent, so that the problem of poor water solubility of the agent is solved, the performance of the collecting agent is improved, a stable emulsion substance is obtained, the requirements of tests and industrial use are met, the industrial production and utilization are facilitated, and the stability of flotation is improved. In the application, the reagent is easy to obtain, the cost is low, the energy is saved during application, and the industrial popularization is facilitated.
Description
Technical field
The present invention relates to processing of fluorspar ores fields, and in particular to application of the emulsifier in processing of fluorspar ores.
Background technique
Under normal conditions, fluorite can be only achieved preferable flotation effect under specific temperature conditions, since fluorite is used
Collecting agent be usually oleic acid, and oleic acid lower than in 18 DEG C of water dissolution and decomposability be deteriorated, collecting performance decreases.
Cause administration uneven when in use, influences float test effect, stability is poor.
And heating flotation is carried out to ore pulp it is necessary to use boiler heat supplying in autumn and winter.It will increase cost, waste money in this way
Source.Generally, when ore dressing, it is desirable that slurry temperature can be only achieved preferable floatation indicators at 22-28 DEG C.
Summary of the invention
Based on drawbacks described above, the present invention has unexpectedly discovered application of the emulsifier in processing of fluorspar ores.
The application refers to the dispersibility and selectivity for increasing collecting agent with the emulsifier.
Emulsifier is surface reactive material, can improve the various surface tension constituted between phase in emulsion.By big
Amount test, it was found that following emulsifier can effectively enhance the dispersibility and selectivity of collecting agent (preferably oleic acid).Using
Emulsification oleic acid flotation effect afterwards is more good, stablizes, and mineral processing index is promoted.
In application of the present invention, the emulsifier is selected from methyl sodiosul foaliphatate, lignosulfonates, straight chain alkane
One or more of base benzene sulfonic acid sodium salt (LAS), sldium lauryl sulfate；It is preferred that the emulsifier is methyl sodiosul foaliphatate.
The amount ratio (mass ratio) of application of the present invention, the emulsifier and collecting agent is (5-10): 1；Preferably
(6-9): 1；More preferably 9:1.Under aforementioned proportion range, the dispersibility of collecting agent can be effectively increased.
Application of the present invention, the collecting agent are preferably oleic acid.
Application of the present invention, specific application method are as follows:
The emulsifier and water are melted under conditions of less than 80 DEG C, then put into the collecting agent, uniform cream to be formed
Shape.Beyond above-mentioned temperature, powder performance can fail, so that influencing aeneficiation effect.The addition of above-mentioned specific emulsifier,
The effect of oleic acid can be made to improve, flotation is stablized.
Preferably, the concentration of the emulsifier in water be 20-40%, preferably 30%.
Specifically, application of the present invention, preferably: first emulsifier and oleic acid being mixed, a small amount of water is added and carries out
Mechanical stirring, keeps oleic acid fully emulsified, then adds water and is diluted to required concentration, to obtain stable emulsion object
Matter meets test and industrial application requirement.
Preferably, emulsifier (granular seldom aqueous, can be neglected) and the ratio in oleic acid are 9:1, when use
It is paste body shape that first emulsifier, which is put into stirred tank, and heats water (temperature is lower than 80 DEG C, 30% concentration) thawing, then oleic acid is put into
In stirred tank, certain time is sufficiently stirred in heat preservation, is to emulsify to complete at uniform paste.
Oleic acid is used as flotation collector in processing of fluorspar ores, and concentration is according to this field routine, herein preferably
Being diluted with water to required concentration after the completion of 30% or so, oleic acid emulsification can be used.It will cause administration when oleic acid direct flotation
It is unevenly unstable so as to cause flotation effect, and the oleic acid after emulsifying is uniform paste, can reduce the dosage of medicament and mention
The stability of high flotation.
To sum up, collecting agent can be made to emulsify using emulsifier, to solve the problems, such as that such medicament is water-soluble poor, improvement is caught
Agent performance is received, to obtain stable emulsion substance, meets test and industrial application requirement, utilizes, increase convenient for industrial production
Add the stability of flotation.And in application of the present invention, reagent is easy to get, low in cost, and when application is more energy saving, favorably
In commercial introduction.
The present invention provides the method for collecting agent emulsification together simultaneously.
Specifically, the method includes in advance by collecting agent with emulsifier the step of；The emulsifier is selected from fat
One or more of sour methyl ester sulfonate, lignosulfonates, sodium n-alkylbenzenesulfonate (LAS), sldium lauryl sulfate.
The collecting agent is oleic acid.
In the method, it is preferable that the amount ratio (mass ratio) of the emulsifier and the collecting agent is (5-10): 1；It is excellent
It is selected as (6-9): 1；More preferably 9:1.
In the method, the emulsifier and water are melted under conditions of being lower than 80 DEG C, then put into the collecting agent, to
Processing of fluorspar ores can be carried out in a conventional manner by forming uniformly emulsification collecting agent paste.
Herein preferably, the emulsification collecting agent is subjected to flotation according to 30% or so concentration.
Collector dosage is larger when flotation at low temperature, in phosphorite deposits in north China ore dressing, emulsifier (the especially fatty acid of paste body shape
Methyl ester sulfonate) it is compounded with saponification class collecting agent, as flotation of phosphate rock direct flotation collecting agent, it can be reduced collector dosage.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The side of the application and its collecting agent emulsification that the present embodiment provides a kind of methyl sodiosul foaliphatates in processing of fluorspar ores
Method.
Application of the methyl sodiosul foaliphatate as emulsifier in processing of fluorspar ores.
Concrete operations mode is as follows:
The mass ratio of methyl sodiosul foaliphatate and oleic acid is 9:1；First methyl sodiosul foaliphatate is thrown when use
Entering to heat water (temperature is lower than 80 DEG C, 30% concentration) in stirred tank to melt is paste body shape, then oleic acid is put into stirred tank, heat preservation
Certain time is sufficiently stirred, is to emulsify to complete at uniform paste.
The oleic acid that emulsification is completed is adjusted to concentration 30% or so, flotation can be carried out.
Embodiment 2
A kind of method of the application and its collecting agent emulsification that the present embodiment provides lignosulfonates in processing of fluorspar ores.
Application of the lignosulfonates as emulsifier in processing of fluorspar ores.
Concrete operations mode is as follows:
The mass ratio of lignosulfonates and oleic acid is 8:1；Lignosulfonates are first put into stirred tank when use
In to heat water (temperature be lower than 80 DEG C, 30% concentration) to melt be paste body shape, then in oleic acid investment stirred tank, heat preservation is sufficiently stirred
Certain time is to emulsify to complete at uniform paste.
The oleic acid that emulsification is completed is adjusted to concentration 30% or so, flotation can be carried out.
Embodiment 3
The side of the application and its collecting agent emulsification that the present embodiment provides a kind of sodium n-alkylbenzenesulfonates in processing of fluorspar ores
Method.
Application of the sodium n-alkylbenzenesulfonate as emulsifier in processing of fluorspar ores.
Concrete operations mode is as follows:
The mass ratio of sodium n-alkylbenzenesulfonate and oleic acid is 6:1；First sodium n-alkylbenzenesulfonate is thrown when use
Entering to heat water (temperature is lower than 80 DEG C, 30% concentration) in stirred tank to melt is paste body shape, then oleic acid is put into stirred tank, heat preservation
Certain time is sufficiently stirred, is to emulsify to complete at uniform paste.
The oleic acid that emulsification is completed is adjusted to concentration 30% or so, flotation can be carried out.
Comparative example 1
This comparative example carries out processing of fluorspar ores using usual manner, i.e., without adding any emulsifier, directly using oleic acid as
Collecting agent carries out processing of fluorspar ores.
Test example 1
The application effect verification test and data of this test example verifying embodiment 1 and comparative example 1.
Concrete mode is as follows:
Hebei fluorite ore is -200 mesh contents 88.00%, sodium carbonate amount 3.20kg/t, water glass in grinding fineness
Glass dosage is 1.50kg/t, and collector dosage 0.68kg/t, flotation temperature is 25 DEG C, and comparative test result see the table below 1.
Table 1
| Collecting agent | Name of product | Yield (%) | Grade (CaF2%) | CaF2The rate of recovery (%) |
| Oleic acid | Concentrate | 52.12 | 99.37 | 75.92 |
| Emulsify oleic acid | Concentrate | 54.24 | 98.72 | 78.46 |
Test result can be seen that under collector dosage same case, the concentrate obtained using emulsification oleic collector
Yield, the rate of recovery are above oleic collector.It is fine to emulsify oleic collector test effect, production effect can be improved to a certain extent
Benefit, the dosage in addition emulsifying oleic acid can be reduced suitably, be conducive to obtain high-grade fluorite concentrate, less production cost.
Although above having used general explanation, specific embodiment and test, the present invention is made to retouch in detail
It states, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Range.
Claims (10)
1. application of the emulsifier in processing of fluorspar ores.
2. application according to claim 1, which is characterized in that the emulsifier is selected from methyl sodiosul foaliphatate, wooden
One or more of plain sulfonate, sodium n-alkylbenzenesulfonate, sldium lauryl sulfate；
It is preferred that the emulsifier is methyl sodiosul foaliphatate.
3. application according to claim 1 or 2, which is characterized in that the amount ratio of the emulsifier and collecting agent is (5-
10): 1；Preferably (6-9): 1.
4. application according to claim 3, which is characterized in that the collecting agent is oleic acid.
5. application according to claim 3 or 4, which is characterized in that the emulsifier and water are melted at less than 80 DEG C,
The collecting agent, uniform paste to be formed are put into again.
6. application according to claim 1-5, which is characterized in that the concentration of the emulsifier in water is 20-
40%, preferably 30%.
7. a kind of method of collecting agent emulsification, which is characterized in that emulsifier is selected from methyl sodiosul foaliphatate, lignin sulfonic acid
One or more of salt, sodium n-alkylbenzenesulfonate, sldium lauryl sulfate.
8. the method according to the description of claim 7 is characterized in that the emulsifier be methyl sodiosul foaliphatate, it is described to catch
Receipts agent is oleic acid.
9. method according to claim 7 or 8, which is characterized in that the amount ratio of the emulsifier and the collecting agent is
(5-10): 1；Preferably (6-9): 1；More preferably 9:1.
10. according to the described in any item methods of claim 7-9, which is characterized in that by the emulsifier and water less than 80 DEG C
Under conditions of melt, then put into the collecting agent, uniform paste to be formed to obtain the final product；
And/or
The emulsification collecting agent is subjected to flotation according to the concentration of 20-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811506548.8A CN109759240A (en) | 2018-12-10 | 2018-12-10 | Application of emulsifier in fluorite ore dressing |
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| CN201811506548.8A CN109759240A (en) | 2018-12-10 | 2018-12-10 | Application of emulsifier in fluorite ore dressing |
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| CN201811506548.8A Pending CN109759240A (en) | 2018-12-10 | 2018-12-10 | Application of emulsifier in fluorite ore dressing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441285A (en) * | 2021-08-11 | 2021-09-28 | 浙江工业大学 | Fluorite flotation collector and preparation method and application thereof |
| CN114178055A (en) * | 2021-11-29 | 2022-03-15 | 浙江遂昌汇金有色金属有限公司 | Process for efficiently recovering silver from smelting waste residues |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441285A (en) * | 2021-08-11 | 2021-09-28 | 浙江工业大学 | Fluorite flotation collector and preparation method and application thereof |
| CN113441285B (en) * | 2021-08-11 | 2022-09-23 | 浙江工业大学 | Fluorite flotation collector and preparation method and application thereof |
| CN114178055A (en) * | 2021-11-29 | 2022-03-15 | 浙江遂昌汇金有色金属有限公司 | Process for efficiently recovering silver from smelting waste residues |
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