CN112973966A - Fine mud collecting agent for realizing desliming through flotation and use method thereof - Google Patents
Fine mud collecting agent for realizing desliming through flotation and use method thereof Download PDFInfo
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- CN112973966A CN112973966A CN202110259976.0A CN202110259976A CN112973966A CN 112973966 A CN112973966 A CN 112973966A CN 202110259976 A CN202110259976 A CN 202110259976A CN 112973966 A CN112973966 A CN 112973966A
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- fine mud
- desliming
- flotation
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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
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
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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
- B03D1/02—Froth-flotation processes
- B03D1/025—Froth-flotation processes adapted for the flotation of fines
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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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Abstract
The invention discloses a fine mud collecting agent for realizing desliming through flotation, which comprises sodium hexadecyl sulfonate: 1-4 parts of stearic acid polyoxyethylene ether: 1-4 parts, sodium linoleate: 1-2 parts, petroleum sulfonate mixture: 1-2 parts, and the using method comprises the following steps in sequence: firstly, preparing ore raw materials, then preparing a fine mud collecting agent, then carrying out fine mud flotation, and finally carrying out ore pulp desliming. The invention has the beneficial effects that: the invention adds a substance of petroleum sulfonate mixture to the original formula, which is an anionic surfactant and also a high-quality surfactant, and is compounded with sodium hexadecyl sulfonate and stearic acid polyoxyethylene ether, so that the interfacial tension of ore pulp can be reduced, the desliming efficiency can be better improved, the molecular weight of the petroleum sulfonate mixture can also influence the relative solubility between sodium linoleate and water and the hydrophobicity and the hydrophilicity, the dispersibility and the solubility of the collecting agent are improved, and the desliming capability is further enhanced.
Description
Technical Field
The invention relates to a collecting agent, in particular to a fine mud collecting agent for realizing desliming through flotation, and belongs to the technical field of desliming.
Background
The desliming is a treatment process for separating fine slime from coarse sand in ore pulp in ore dressing operation, two main desliming methods at present are magnetic separation and flotation, wherein flotation refers to that a surfactant-foaming agent capable of generating a large amount of bubbles is adopted to adsorb the fine slime in the ore pulp to the surface, so that the desliming is convenient, the existing collecting agent is applied to the flotation of different substances, and the types are numerous, and the catching agent applied to the ore pulp desliming in a large amount is mainly an oleic acid collecting agent.
However, because of the property of oleic acid, the prepared oleic acid collecting agent has the defects of poor solubility, poor selectivity and hard water resistance, and can only act on slurry with the temperature not lower than 14 ℃, so that the desliming efficiency and quality are greatly reduced.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a fine mud collector for achieving desliming by flotation and a method of using the same.
The invention achieves the aim through the following technical scheme, and the fine mud collector for realizing desliming through flotation comprises the following components in parts by weight: 1-4 parts of stearic acid polyoxyethylene ether: 1-4 parts, sodium linoleate: 1-2 parts, petroleum sulfonate mixture: 1 to 2 portions.
Preferably, the petroleum sulfonate mixture consists essentially of alkyl aryl sulfonates, aryl alkyl sulfonates, and the like.
Preferably, the purity of the stearic acid polyoxyethylene ether is 90%.
Preferably, the purity of the sodium linoleate is 90% -95%.
Preferably, the purity of the sodium hexadecyl sulfonate is 28 to 30 percent.
A method of using a fine mud collector, the method comprising the steps of:
s1, preparing the ore raw material, namely crushing the ore raw material by using a crusher, grinding and crushing the crushed ore raw material for multiple times by using a crusher, and finally adding a proper amount of clear water into the crushed ore raw material and fully stirring to obtain ore pulp;
s2, preparing a fine mud collecting agent, namely mixing 1-4 parts of sodium hexadecyl sulfonate, 1-4 parts of polyoxyethylene stearate, 1-2 parts of linoleic acid and 1-1 part of petroleum sulfonate mixture in sequence, and uniformly stirring by using a stirring rod to obtain the fine mud collecting agent;
s3, fine mud flotation, namely adding a prepared fine mud collecting agent to perform fine mud flotation, and then uniformly stirring the fine mud flotation for a certain time until a large amount of foams are generated on the surface of ore pulp;
and S4, de-sliming the ore pulp, wherein the fine slimes in the ore pulp are adsorbed by the generated foams and float on the surface of the ore pulp, and the de-sliming work can be completed by separating the foams on the surface of the ore pulp and the clear liquid below the surface of the ore pulp.
Preferably, in the S1, the ore material is pulverized to 200-300 mesh.
Preferably, during the mixing and stirring process of S2, a proper amount of clear water is added while stirring.
Preferably, the stirring time required in S3 is one hour.
Preferably, the temperature of the ore pulp in the S4 is controlled to be between 20 ℃ and 30 ℃.
The invention has the beneficial effects that: the collecting agent designed by the invention is added with a substance of petroleum sulfonate mixture on the basis of the original formula, is an anionic surfactant and also a high-quality surfactant, can reduce the tension of an ore pulp interface and better improve the desliming efficiency by compounding with sodium hexadecylsulfonate and polyoxyethylene stearate, and the molecular weight of the collecting agent can also influence the relative solubility between sodium linoleate and water and influence the hydrophobicity and the hydrophilicity, so that the dispersibility and the solubility of the collecting agent are improved, the desliming capability in the flotation process is further enhanced, and the using effect is better compared with the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of the process steps of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a fine mud collector for desliming by flotation comprises the following components in parts by weight: 1-4 parts of stearic acid polyoxyethylene ether: 1-4 parts, sodium linoleate: 1-2 parts, petroleum sulfonate mixture: 1 to 2 portions.
Specifically, the petroleum sulfonate mixture mainly comprises alkyl aryl sulfonate, aryl alkyl sulfonate, alkyl sulfonate and the like.
Specifically, the purity of the stearic acid polyoxyethylene ether is 90%.
Specifically, the purity of the sodium linoleate is 90% -95%.
Specifically, the purity of the sodium hexadecyl sulfonate is 28-30%.
A method of using a fine mud collector, the method comprising the steps of:
s1, preparing the ore raw material, namely crushing the ore raw material by using a crusher, grinding and crushing the crushed ore raw material for multiple times by using a crusher, and finally adding a proper amount of clear water into the crushed ore raw material and fully stirring to obtain ore pulp;
s2, preparing a fine mud collecting agent, namely mixing 1-4 parts of sodium hexadecyl sulfonate, 1-4 parts of polyoxyethylene stearate, 1-2 parts of linoleic acid and 1-1 part of petroleum sulfonate mixture in sequence, and uniformly stirring by using a stirring rod to obtain the fine mud collecting agent;
s3, fine mud flotation, namely adding a prepared fine mud collecting agent to perform fine mud flotation, and then uniformly stirring the fine mud flotation for a certain time until a large amount of foams are generated on the surface of ore pulp;
and S4, de-sliming the ore pulp, wherein the fine slimes in the ore pulp are adsorbed by the generated foams and float on the surface of the ore pulp, and the de-sliming work can be completed by separating the foams on the surface of the ore pulp and the clear liquid below the surface of the ore pulp.
Specifically, in the step S1, the ore raw material is crushed to 200-300 meshes.
Specifically, in the mixing and stirring process of S2, a proper amount of clear water is added while stirring.
Specifically, the stirring time required in S3 is one hour.
Specifically, the temperature of the ore pulp is controlled to be between 20 ℃ and 30 ℃ in the S4.
Example two:
a fine mud collector for desliming by flotation comprises the following components in parts by weight: 1-4 parts of stearic acid polyoxyethylene ether: 1-4 parts, sodium linoleate: 1-2 parts, petroleum sulfonate mixture: 1 to 2 portions.
Specifically, the petroleum sulfonate mixture mainly comprises alkyl aryl sulfonate, aryl alkyl sulfonate, alkyl sulfonate and the like.
Specifically, the purity of the stearic acid polyoxyethylene ether is 90%.
Specifically, the purity of the sodium linoleate is 90% -95%.
Specifically, the purity of the sodium hexadecyl sulfonate is 28-30%.
A method of using a fine mud collector, the method comprising the steps of:
s1, preparing the ore raw material, namely crushing the ore raw material by using a crusher, grinding and crushing the crushed ore raw material for multiple times by using a crusher, and finally adding a proper amount of clear water into the crushed ore raw material and fully stirring to obtain ore pulp;
s2, preparing a fine mud collecting agent, namely mixing 1-4 parts of sodium hexadecyl sulfonate, 1-4 parts of polyoxyethylene stearate, 1-2 parts of linoleic acid and 1-1 part of petroleum sulfonate mixture in sequence, and uniformly stirring by using a stirring rod to obtain the fine mud collecting agent;
s3, fine mud flotation, namely adding a prepared fine mud collecting agent to perform fine mud flotation, and then uniformly stirring the fine mud flotation for a certain time until a large amount of foams are generated on the surface of ore pulp;
and S4, de-sliming the ore pulp, wherein the fine slimes in the ore pulp are adsorbed by the generated foams and float on the surface of the ore pulp, and the de-sliming work can be completed by separating the foams on the surface of the ore pulp and the clear liquid below the surface of the ore pulp.
Specifically, in the step S1, the ore raw material is crushed to 200-300 meshes, and the crushing to 200-300 meshes can ensure that most of mud in the ore raw material is crushed.
Specifically, in the S2 mixing and stirring process, a proper amount of clear water is added while stirring, and the clear water is added to accelerate the fusion speed of the fine mud collecting agent raw materials.
Specifically, the required stirring time in the step S3 is one hour, and 1 hour is set to ensure that the fine mud collector and the ore pulp are in better fusion contact.
Specifically, the temperature of the ore pulp is controlled to be between 20 ℃ and 30 ℃ in the S4, and the efficiency of the fine mud collector is reduced due to too low temperature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A fine mud collector for realizing desliming through flotation is characterized in that: the fine mud collector comprises sodium hexadecyl sulfonate: 1-4 parts of stearic acid polyoxyethylene ether: 1-4 parts, sodium linoleate: 1-2 parts, petroleum sulfonate mixture: 1 to 2 portions.
2. A fine mud collector for desliming by flotation according to claim 1, wherein: the petroleum sulfonate mixture mainly comprises alkyl aryl sulfonate, aryl alkyl sulfonate, alkyl sulfonate and the like.
3. A fine mud collector for desliming by flotation according to claim 1, wherein: the purity of the stearic acid polyoxyethylene ether is 90%.
4. A fine mud collector for desliming by flotation according to claim 1, wherein: the purity of the sodium linoleate is 90-95%.
5. A fine mud collector for desliming by flotation according to claim 1, wherein: the purity of the sodium hexadecyl sulfonate is 28 to 30 percent.
6. A fine mud collector for desliming by flotation according to any one of claims 1 to 5, and a method for using the fine mud collector, wherein the method comprises the following steps: the use method of the fine mud collector comprises the following steps:
s1, preparing the ore raw material, namely crushing the ore raw material by using a crusher, grinding and crushing the crushed ore raw material for multiple times by using a crusher, and finally adding a proper amount of clear water into the crushed ore raw material and fully stirring to obtain ore pulp;
s2, preparing a fine mud collecting agent, namely mixing 1-4 parts of sodium hexadecyl sulfonate, 1-4 parts of polyoxyethylene stearate, 1-2 parts of linoleic acid and 1-1 part of petroleum sulfonate mixture in sequence, and uniformly stirring by using a stirring rod to obtain the fine mud collecting agent;
s3, fine mud flotation, namely adding a prepared fine mud collecting agent to perform fine mud flotation, and then uniformly stirring the fine mud flotation for a certain time until a large amount of foams are generated on the surface of ore pulp;
and S4, de-sliming the ore pulp, wherein the fine slimes in the ore pulp are adsorbed by the generated foams and float on the surface of the ore pulp, and the de-sliming work can be completed by separating the foams on the surface of the ore pulp and the clear liquid below the surface of the ore pulp.
7. A fine mud collector for desliming by flotation according to claim 6, wherein: in the step S1, the ore raw material is crushed to 200-300 meshes.
8. A fine mud collector for desliming by flotation according to claim 6, wherein: and in the mixing and stirring process of S2, adding a proper amount of clear water while stirring.
9. A fine mud collector for desliming by flotation according to claim 6, wherein: the stirring time required in said S3 was one hour.
10. A fine mud collector for desliming by flotation according to claim 6, wherein: and in the S4, the temperature of the ore pulp is controlled to be between 20 and 30 ℃.
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| CN202110259976.0A CN112973966A (en) | 2021-03-10 | 2021-03-10 | Fine mud collecting agent for realizing desliming through flotation and use method thereof |
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| CN202110259976.0A CN112973966A (en) | 2021-03-10 | 2021-03-10 | Fine mud collecting agent for realizing desliming through flotation and use method thereof |
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Citations (6)
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| CN105238352A (en) * | 2015-10-28 | 2016-01-13 | 徐福明 | Precious metal ore grinding additive and preparation method thereof |
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| CN110272222A (en) * | 2019-05-07 | 2019-09-24 | 江苏四新科技应用研究所股份有限公司 | A kind of gravity flowing levelling mortar solid defoaming agent and preparation method thereof |
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2021
- 2021-03-10 CN CN202110259976.0A patent/CN112973966A/en active Pending
Patent Citations (6)
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| CN105238352A (en) * | 2015-10-28 | 2016-01-13 | 徐福明 | Precious metal ore grinding additive and preparation method thereof |
| CN106076607A (en) * | 2016-08-18 | 2016-11-09 | 中蓝连海设计研究院 | A kind of two step desliming reverse floatation process processing high alumina-silica collophane |
| CN107597446A (en) * | 2017-08-31 | 2018-01-19 | 常州欧康铭化工有限公司 | A kind of coal slime collecting agent |
| CN108160338A (en) * | 2018-01-05 | 2018-06-15 | 贵州省地质矿产中心实验室 | Collophanite magnesium removal reverse flotation collecting agent and preparation method thereof |
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Application publication date: 20210618 |