CN112705360A - Oleic acid flotation process method of tourmaline ore - Google Patents
Oleic acid flotation process method of tourmaline ore Download PDFInfo
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- CN112705360A CN112705360A CN202011462424.1A CN202011462424A CN112705360A CN 112705360 A CN112705360 A CN 112705360A CN 202011462424 A CN202011462424 A CN 202011462424A CN 112705360 A CN112705360 A CN 112705360A
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- tourmaline
- oleic acid
- stirring
- ore
- 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
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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
- B03D2203/04—Non-sulfide ores
Abstract
The invention belongs to the technical field of ore dressing process of tourmaline ore, and provides an oleic acid flotation process method of tourmaline ore, which comprises the following steps: firstly, an ore body sample is collected from a shallow well; crushing the ore body sample to obtain a test sample; then carrying out frosting classification on the test sample; and finally separating tourmaline, quartz and feldspar in the test sample by oleic acid flotation. The invention takes oleic acid as a collecting agent to carry out flotation on tourmaline ore, mainly comprises roughing, scavenging and selecting, has high content of recycled tourmaline and high recovery rate, and can directly be discharged as final tailings because the content of the tourmaline in middlings and tailings is very little; is suitable for the sorting and purification of tourmaline.
Description
Technical Field
The invention relates to the technical field of ore dressing processes of tourmaline minerals, in particular to an oleic acid flotation process method of tourmaline minerals.
Background
Tourmaline is a silicate mineral which mainly contains B (boron element) and additionally contains aluminum, sodium, iron, magnesium, lithium and other elements. It is widely applied to the fields of environmental protection, cosmetics, cigarettes, air purification, coating, textile, water purification, electromagnetic radiation prevention, health care products and the like. With the rapid development of the above fields, the demand of raw materials for tourmaline and its quality are on the rise. Therefore, how to remove impurities from the tourmaline ore resources is very important.
Flotation is a common method, has low investment and simple operation, adopts a proper medicament system, and can be used for separating tourmaline from quartz and feldspar.
At present, a mixture of tall oil and paraffin soap with the mass ratio of 1: 4 is used as a collecting agent for tourmaline ore flotation, tourmaline ore is subjected to flotation, as shown in figure 1, a sample with the mesh size of 2mm is used as a test sample, the standard mesh number for grinding and grading the test sample is 200 meshes, and the method mainly comprises roughing and scavenging, wherein the roughing conditions are as follows: the amount of sodium carbonate used is as follows: 2000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 1g/t, stirring for 2 min; pH value: 6; the usage amount of the mixed collecting agent: 1500g/t, stirring time 3 min; no. 11 foaming agent dosage: 10g/t, and stirring for 1 min; flotation time: 2.5 min. The scavenging conditions are as follows: the amount of sodium carbonate used is as follows: 1000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 0.5g/t, stirring for 2 min; the usage amount of the mixed collecting agent: 1000g/t, stirring time 3 min; no. 11 foaming agent dosage: 10g/t, and stirring for 1 min; flotation time: 2.5 min.
However, the flotation of tourmaline ore using the above-mentioned mixed collector has the following disadvantages: the content of the recycled tourmaline is low, the recovery rate is low, and the tourmaline content in middlings and tailings is high.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an oleic acid flotation process method for tourmaline ore. The tourmaline ore is floated by mainly using oleic acid as a collecting agent, the content of the recycled tourmaline is high, the recovery rate is high, and the tourmaline in middlings and tailings is low and can be directly discharged as final tailings; is suitable for the sorting and purification of tourmaline. Specifically, the method is mainly realized by the following technical scheme:
an oleic acid flotation process method of tourmaline ore comprises the following steps:
taking an ore body sample from a shallow well;
crushing the ore body sample to obtain a test sample;
sanding and grading the test sample;
separating tourmaline, quartz and feldspar in the test sample by oleic acid flotation.
Preferably, the natural types of the ore body sample include tourmaline quartz vein type, tourmaline amphibole type, electric quartz cloud amphibole type, and tourmaline dilonge type.
Preferably, the ore body sample is taken from the shallow well by a full-roadway method.
Preferably, the test specimen has a mesh size of 2 mm.
Preferably, the standard mesh size of the grit classification is 200 mesh.
Preferably, the oleic acid flotation comprises roughing, scavenging and concentrating in sequence.
Preferably, the roughing conditions are as follows: the amount of sodium carbonate used is as follows: 2000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 1L/t, stirring for 2 min; pH value: 6; the using amount of oleic acid is as follows: 10L/t, stirring for 3 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
Preferably, the scavenging conditions are: the amount of sodium carbonate used is as follows: 1000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 0.5L/t, stirring for 2 min; the using amount of oleic acid is as follows: 7L/t, and stirring for 3 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
Preferably, the selection conditions are: the amount of sodium carbonate used is as follows: 500g/t, stirring time 3 min; the dosage of sulfuric acid is as follows: 0.25L/t, stirring for 2 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
The invention has the following beneficial effects: the tourmaline ore is floated by taking oleic acid as a collecting agent, mainly comprises rough concentration, scavenging and concentration, has high content of the recycled tourmaline and high recovery rate, and can be directly discharged as final tailings when the tourmaline content in middlings and tailings is very low; is suitable for the sorting and purification of tourmaline.
Drawings
1. Fig. 1 is a schematic view of a process flow of the prior art for floating tourmaline ore using a mixed collector;
2. fig. 2 is a schematic diagram of a process flow for performing flotation on tourmaline ore by using oleic acid according to an embodiment of the present invention.
Detailed Description
The invention provides an oleic acid flotation process method of tourmaline ore, which is explained in detail with reference to the accompanying drawings.
The method mainly comprises the following steps:
step one, an ore body sample is collected from a shallow well;
in the embodiment of the invention, a full lane method can be adopted to respectively adopt a QJ from a shallow well1、QJ2、QJ3In the method, 1000kg of No. 4, No. 9 and No. 10 ore body samples are adopted to combine into 1 ore dressing test sample.
In a preferred embodiment, the sample ore natural types include tourmaline quartz vein type, tourmaline amphibole type, electric quartz cloud amphibole type, and tourmaline dildos type. Almost all ore types in the detailed investigation area are covered, the grade of the tourmaline is more than 40 percent and 70 percent, the average grade is 48 percent, and the grade is close to that of the ore in the mining area, so the sample has better representativeness.
Crushing the ore body sample to obtain a test sample;
the hardness of the tourmaline is 7.1, the tourmaline is brittle and easy to crush, but the mechanical processing performance of the ore is changed along with the change of the mineral components and the content of the gangue, generally, the brittleness of the ore is reduced along with the increase of the quartz content, and the mechanical crushing difficulty is increased; and the ore with the gangue minerals of fine-grained amphibole and diaspore granite is easier to process and break.
In a preferred embodiment, the test specimen has a mesh size of 2 mm.
Step three, carrying out frosting classification on the test sample;
in a preferred embodiment, the standard mesh size of the abrasive grit classification is 200 mesh.
And step four, separating tourmaline, quartz and feldspar in the test sample by oleic acid flotation.
In the prior art, a mixture of tall oil and paraffin soap with the mass ratio of 1: 4 is used as a collecting agent for the flotation of tourmaline ore, the flotation result of the tourmaline ore is shown in the following table 1:
| product name | Yield (%) | Content of tourmaline (%) | Recovery (%) |
| Concentrate ore | 38.12 | 90 | 79.27 |
| Middling | 10.79 | 50 | 12.47 |
| Tailings | 51.09 | 7 | 8.26 |
| Total up to | 100.00 | 43.28 | 100.00 |
TABLE 1
As shown in fig. 2, the process flow of the tourmaline ore floatation by utilizing oleic acid comprises roughing, scavenging and concentrating in sequence.
In a preferred embodiment, the roughing conditions are: the amount of sodium carbonate used is as follows: 2000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 1L/t, stirring for 2 min; pH value: 6; the using amount of oleic acid is as follows: 10L/t, stirring for 3 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
In a preferred embodiment, the sweep conditions are: the amount of sodium carbonate used is as follows: 1000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 0.5L/t, stirring for 2 min; the using amount of oleic acid is as follows: 7L/t, and stirring for 3 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
In a preferred embodiment, the beneficiation conditions are: the amount of sodium carbonate used is as follows: 500g/t, stirring time 3 min; the dosage of sulfuric acid is as follows: 0.25L/t, stirring for 2 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
The oleic acid flotation results are shown in table 2 below:
| product name | Yield (%) | Content of tourmaline (%) | Recovery (%) |
| Concentrate ore | 49.93 | 90 | 98.27 |
| Middling | 14.58 | 3 | 0.96 |
| Tailings | 35.49 | <1 | 0.77 |
| Total up to | 100.00 | 45.73 | 100.00 |
TABLE 2
From the above, it can be seen that: the raw ore tourmaline grade is 48%, when the fine grinding granularity is 200 meshes, the ore dressing test effect is best, the concentrate yield is 58.82%, the tourmaline grade can reach 90%, the tourmaline content in the tailing sand is less than 1%, and the ore dressing recovery rate reaches 98.27%.
The chemical components of the tourmaline ore concentrate are shown in the following table 3:
TABLE 3
According to the analysis of the two flotation results, the test effect is more ideal when oleic acid is used as the tourmaline collecting agent, the content of the tourmaline recovered by the oleic acid flotation process method for the tourmaline ore provided by the embodiment of the invention is high, the recovery rate is high, the tourmaline content in middlings and tailings is low, the tourmaline can be directly discharged as final tailings, and the method is suitable for the separation and purification of the tourmaline.
The foregoing detailed description of the embodiments of the present invention has been presented for the purpose of illustrating the principles and implementations of the present invention, and the description of the embodiments is only provided to assist understanding of the core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. An oleic acid flotation process method of tourmaline ore is characterized by comprising the following steps:
taking an ore body sample from a shallow well;
crushing the ore body sample to obtain a test sample;
sanding and grading the test sample;
separating tourmaline, quartz and feldspar in the test sample by oleic acid flotation.
2. The method of claim 1, wherein the natural types of the ore body samples include tourmaline quartz vein type, tourmaline hemimellite type, tourmaline micanite type and tourmaline dilongate type.
3. The method for the oleic acid flotation of tourmaline ore according to claim 1, wherein the ore body sample is taken from the shallow well by the whole lane method.
4. The method of claim 1, wherein the test sample has a mesh size of 2 mm.
5. The method of claim 1, wherein the standard mesh size of the ground ore is 200 mesh.
6. The oleic acid flotation process method of tourmaline ore according to claim 1, wherein the oleic acid flotation comprises rougher flotation, scavenging and cleaner flotation in sequence.
7. The oleic acid flotation process method of tourmaline ore according to claim 6, wherein the roughing condition is: the amount of sodium carbonate used is as follows: 2000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 1L/t, stirring for 2 min; pH value: 6; the using amount of oleic acid is as follows: 10L/t, stirring for 3 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
8. The oleic acid flotation process method of tourmaline ore according to claim 7,
scavenging conditions
Comprises the following steps: the amount of sodium carbonate used is as follows: 1000g/t, stirring time 3 min; the dosage of the sulfuric acid solution is as follows: 0.5L/t, stirring for 2 min; the using amount of oleic acid is as follows: 7L/t, and stirring for 3 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
9. The oleic acid flotation process method of tourmaline ore according to claim 8, wherein the concentration conditions are as follows: the amount of sodium carbonate used is as follows: 500g/t, stirring time 3 min; the dosage of sulfuric acid is as follows: 0.25L/t, stirring for 2 min; no. 11 foaming agent dosage: 5g/t, and stirring for 1 min; flotation time: 2.5 min.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212484A (en) * | 2013-04-18 | 2013-07-24 | 武汉工程大学 | Phosphorite reverse flotation process |
| CN110201791A (en) * | 2019-06-06 | 2019-09-06 | 山东华特磁电科技股份有限公司 | Sandy kaoline comprehensive utilization of tailing method containing tourmaline, muscovite, quartz sand |
| CN111250269A (en) * | 2020-02-19 | 2020-06-09 | 北京矿冶科技集团有限公司 | Novel collector for flotation of low-grade spodumene ores and spodumene ore dressing method |
-
2020
- 2020-12-11 CN CN202011462424.1A patent/CN112705360A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212484A (en) * | 2013-04-18 | 2013-07-24 | 武汉工程大学 | Phosphorite reverse flotation process |
| CN110201791A (en) * | 2019-06-06 | 2019-09-06 | 山东华特磁电科技股份有限公司 | Sandy kaoline comprehensive utilization of tailing method containing tourmaline, muscovite, quartz sand |
| CN111250269A (en) * | 2020-02-19 | 2020-06-09 | 北京矿冶科技集团有限公司 | Novel collector for flotation of low-grade spodumene ores and spodumene ore dressing method |
Non-Patent Citations (1)
| Title |
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| 张开永等: "邹城电气石选矿试验研究", 《有色金属（选矿部分）》 * |
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